:root {
    --red: #d71920;
    --red-dark: #ae1118;
    --ink: #111315;
    --charcoal: #1a1d20;
    --steel: #69727a;
    --line: #dfe2e4;
    --pale: #f1f3f3;
    --white: #fff;
    --max: 1240px
}

/* Hotspring Classic/F stock selector */
.coil-classic-section,
.coil-selector-section,
.coil-stock-section {
    padding: 88px 0;
}

.coil-classic-section,
.coil-stock-section {
    background: #f3f6f6;
}

.coil-classic-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr);
    gap: 80px;
    align-items: start;
}

.coil-classic-copy h2,
.coil-selector-section .product-section-heading h2,
.coil-stock-section .product-section-heading h2 {
    margin: 0 0 28px;
    color: #343b3b;
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 400;
    line-height: .98;
}

.coil-classic-copy h2 em {
    color: #0055a5;
    font-style: normal;
}

.coil-spec-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
    border-top: 3px solid #f51b35;
    background: #fff;
    box-shadow: 0 12px 28px rgba(18, 46, 58, .08);
}

.coil-spec-grid div {
    min-height: 132px;
    padding: 28px;
    border-right: 1px solid #d4dddd;
    border-bottom: 1px solid #d4dddd;
}

.coil-spec-grid dt {
    margin-bottom: 12px;
    color: #657373;
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.coil-spec-grid dd {
    margin: 0;
    color: #0055a5;
    font-size: 24px;
    line-height: 1.2;
}

.coil-calculator {
    display: grid;
    grid-template-columns: minmax(360px, .72fr) minmax(0, 1.28fr);
    margin-top: 44px;
    border-top: 3px solid #f51b35;
    background: #fff;
    box-shadow: 0 15px 38px rgba(18, 46, 58, .1);
}

.coil-calculator-form {
    padding: 38px;
    border-right: 1px solid #d4dddd;
}

.coil-input-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.coil-input-grid label > span:first-child,
.coil-sheath-options legend {
    display: block;
    margin-bottom: 9px;
    color: #343b3b;
    font-size: 13px;
    font-weight: 600;
}

.coil-input-grid label > span:first-child small {
    margin-left: 6px;
    color: #f51b35;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.coil-input {
    display: flex;
    align-items: center;
    border: 1px solid #bdcaca;
    background: #fff;
}

.coil-input input {
    width: 100%;
    min-width: 0;
    padding: 14px;
    border: 0;
    outline: 0;
    font: inherit;
}

.coil-input:focus-within {
    border-color: #0055a5;
    box-shadow: 0 0 0 2px rgba(0, 85, 165, .12);
}

.coil-input b {
    padding-right: 14px;
    color: #657373;
    font-size: 12px;
}

.coil-sheath-options {
    display: grid;
    gap: 8px;
    margin: 30px 0;
    padding: 0;
    border: 0;
}

.coil-sheath-options label {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #e0e6e6;
    font-size: 14px;
}

.coil-sheath-options input {
    accent-color: #f51b35;
}

.coil-exit-options {
    margin: 0 0 30px;
    padding: 0;
    border: 0;
}

.coil-exit-options > legend {
    margin-bottom: 12px;
    color: #343b3b;
    font-size: 13px;
    font-weight: 600;
}

.coil-exit-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.coil-exit-grid label {
    position: relative;
    cursor: pointer;
}

.coil-exit-grid input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.coil-exit-card {
    display: flex;
    min-height: 190px;
    box-sizing: border-box;
    flex-direction: column;
    padding: 12px;
    border: 1px solid #cbd7da;
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.coil-exit-card img {
    width: 100%;
    height: 82px;
    margin-bottom: 13px;
    object-fit: contain;
    background: #eaf4f7;
}

.coil-exit-card strong {
    color: #0055a5;
    font-size: 14px;
    font-weight: 500;
}

.coil-exit-card small {
    margin-top: 6px;
    color: #657373;
    font-size: 10px;
    line-height: 1.4;
}

.coil-exit-grid label:hover .coil-exit-card,
.coil-exit-grid input:focus-visible + .coil-exit-card {
    border-color: #0055a5;
}

.coil-exit-grid input:checked + .coil-exit-card {
    border-color: #f51b35;
    box-shadow: inset 0 -3px 0 #f51b35, 0 7px 18px rgba(18, 46, 58, .1);
    transform: translateY(-2px);
}

.coil-exit-unsure {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
    padding: 11px 0;
    border-bottom: 1px solid #e0e6e6;
    font-size: 13px;
}

.coil-exit-unsure input {
    accent-color: #f51b35;
}

.coil-calculator-results {
    min-height: 470px;
    padding: 38px;
    background: #eef5f8;
}

.coil-results-placeholder,
.coil-no-match {
    display: flex;
    min-height: 390px;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    max-width: 560px;
}

.coil-results-placeholder strong {
    color: #0055a5;
    font-size: 24px;
    font-weight: 400;
}

.coil-results-heading h3,
.coil-no-match h3 {
    margin: 0 0 12px;
    color: #343b3b;
    font-size: 28px;
    font-weight: 400;
}

.coil-result-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
}

.coil-result-card {
    padding: 22px;
    border: 1px solid #cbd7da;
    background: #fff;
}

.coil-result-title {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    align-items: flex-start;
}

.coil-result-title small {
    color: #f51b35;
    font-size: 10px;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.coil-result-title h3 {
    margin: 4px 0 0;
    color: #0055a5;
    font-size: 17px;
    font-weight: 500;
}

.coil-result-title > strong {
    color: #343b3b;
    font-size: 18px;
}

.coil-fit-label {
    min-height: 34px;
    color: #657373;
    font-size: 12px;
}

.coil-result-card dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 16px 0 20px;
    border-top: 1px solid #d9e1e1;
}

.coil-result-card dl div {
    padding: 10px 0;
    border-bottom: 1px solid #d9e1e1;
}

.coil-result-card dt {
    color: #657373;
    font-size: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.coil-result-card dd {
    margin: 4px 0 0;
    color: #343b3b;
    font-size: 15px;
}

.coil-result-card > a,
.coil-stock-row a {
    color: #f51b35;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .07em;
    text-decoration: none;
    text-transform: uppercase;
}

.coil-formula-note {
    margin-top: 24px;
    padding: 22px 26px;
    border: 1px solid #d4dddd;
}

.coil-formula-note summary {
    color: #0055a5;
    cursor: pointer;
    font-weight: 500;
}

.coil-formula-note p {
    max-width: 960px;
    margin-bottom: 0;
}

.coil-stock-table {
    margin-top: 42px;
    border-top: 3px solid #f51b35;
}

.coil-stock-head,
.coil-stock-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr .7fr .6fr 1.15fr;
    align-items: center;
}

.coil-stock-head {
    min-height: 52px;
    background: #0055a5;
    color: #fff;
}

.coil-stock-head span,
.coil-stock-row > span {
    padding: 14px 18px;
}

.coil-stock-head span {
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.coil-stock-row {
    min-height: 62px;
    border: 1px solid #d5dddd;
    border-top: 0;
    background: #fff;
}

.coil-stock-row:nth-child(odd) {
    background: #f8fafa;
}

.coil-stock-row strong {
    color: #0055a5;
    font-weight: 500;
}

.coil-special-callout {
    display: grid;
    grid-template-columns: 1fr 1.2fr auto;
    gap: 40px;
    align-items: center;
    margin-top: 34px;
    padding: 34px;
    border-left: 4px solid #f51b35;
    background: #fff;
}

.coil-special-callout h3 {
    margin: 0;
    color: #343b3b;
    font-size: 25px;
    font-weight: 400;
}

.coil-special-callout p {
    margin: 0;
}

@media (max-width: 980px) {
    .coil-classic-grid,
    .coil-calculator {
        grid-template-columns: 1fr;
    }

    .coil-calculator-form {
        border-right: 0;
        border-bottom: 1px solid #d4dddd;
    }

    .coil-special-callout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .coil-classic-section,
    .coil-selector-section,
    .coil-stock-section {
        padding: 58px 0;
    }

    .coil-classic-grid {
        gap: 42px;
    }

    .coil-spec-grid,
    .coil-input-grid,
    .coil-result-grid {
        grid-template-columns: 1fr;
    }

    .coil-exit-grid {
        grid-template-columns: 1fr;
    }

    .coil-exit-card {
        display: grid;
        min-height: 0;
        grid-template-columns: 110px 1fr;
        column-gap: 14px;
        align-items: center;
    }

    .coil-exit-card img {
        height: 70px;
        grid-row: 1 / 3;
        margin: 0;
    }

    .coil-calculator-form,
    .coil-calculator-results {
        padding: 24px;
    }

    .coil-stock-head {
        display: none;
    }

    .coil-stock-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 12px;
    }

    .coil-stock-row > span {
        padding: 9px;
    }

    .coil-stock-row > span::before {
        display: block;
        margin-bottom: 4px;
        color: #657373;
        content: attr(data-label);
        font-size: 9px;
        letter-spacing: .07em;
        text-transform: uppercase;
    }

    .coil-stock-row > span:last-child {
        grid-column: 1 / -1;
    }
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Inter, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    background: #fff
}

a {
    color: inherit;
    text-decoration: none
}

.container {
    width: min(calc(100% - 48px), var(--max));
    margin-inline: auto
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 10px;
    background: #fff;
    padding: 10px;
    z-index: 99
}

.skip-link:focus {
    left: 10px
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0)
}

.utility-bar {
    height: 36px;
    background: #121416;
    color: #c9cdcf;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .12em
}

.utility-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.utility-inner div {
    display: flex;
    gap: 28px
}

.utility-inner a:hover {
    color: #fff
}

.site-header {
    height: 86px;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(0, 0, 0, .08)
}

.nav-wrap {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.brand {
    display: grid;
    grid-template-columns: auto auto;
    align-items: end;
    line-height: 1
}

.brand-name {
    font-family: Arial, sans-serif;
    font-weight: 900;
    font-style: italic;
    letter-spacing: -.08em;
    font-size: 35px;
    color: var(--red)
}

.brand-uk {
    font: 700 12px Inter;
    margin: 0 0 5px 8px;
    color: #24272a
}

.brand-tag {
    grid-column: 1/3;
    font-size: 7px;
    letter-spacing: .1em;
    margin-left: 2px;
    color: #687077
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 13px;
    font-weight: 600
}

.main-nav>a:not(.nav-cta) {
    padding: 31px 0;
    border-bottom: 3px solid transparent
}

.main-nav>a:not(.nav-cta):hover {
    border-color: var(--red)
}

.nav-cta {
    background: var(--red);
    color: white;
    padding: 13px 19px;
    margin-left: 6px
}

.nav-cta:hover,
.button-primary:hover {
    background: var(--red-dark)
}

.menu-button {
    display: none;
    background: none;
    border: 0;
    padding: 8px
}

.menu-button span:not(.sr-only) {
    display: block;
    width: 24px;
    height: 2px;
    background: #111;
    margin: 5px
}

.hero {
    position: relative;
    min-height: 660px;
    background: #131618 url('../img/hero-industrial-heaters.png') center/cover no-repeat;
    color: #fff;
    display: flex;
    align-items: center
}

.hero-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(9, 11, 12, .98) 0%, rgba(9, 11, 12, .89) 35%, rgba(9, 11, 12, .2) 68%, rgba(9, 11, 12, .05) 100%)
}

.hero-content {
    position: relative;
    padding: 95px 0 80px
}

.eyebrow,
.section-kicker {
    margin: 0 0 18px;
    text-transform: uppercase;
    letter-spacing: .16em;
    font-size: 12px;
    font-weight: 700;
    color: var(--red)
}

.eyebrow:before,
.section-kicker:before {
    content: "";
    display: inline-block;
    width: 35px;
    height: 2px;
    background: currentColor;
    vertical-align: middle;
    margin-right: 13px
}

.hero h1,
.section h2 {
    font-family: "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
    line-height: .95;
    margin: 0;
    font-weight: 600
}

.hero h1 {
    font-size: clamp(60px, 6.5vw, 98px);
    letter-spacing: -.025em;
    max-width: 720px
}

.hero h1 em {
    font-style: normal;
    color: var(--red)
}

.hero-copy {
    font-size: 19px;
    line-height: 1.55;
    max-width: 610px;
    color: #d9dddf;
    margin: 28px 0 34px
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    padding: 15px 23px;
    font-weight: 700;
    font-size: 13px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: .2s
}

.button-primary {
    background: var(--red);
    color: white
}

.button-ghost {
    border-color: #666b6e;
    color: white
}

.button-ghost:hover {
    border-color: #fff
}

.trust-list {
    display: flex;
    gap: 35px;
    padding: 0;
    margin: 43px 0 0;
    list-style: none;
    color: #c9cdcf;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .08em
}

.trust-list span {
    color: var(--red);
    margin-right: 7px
}

.section {
    padding: 105px 0
}

.split-intro {
    display: grid;
    grid-template-columns: 1.05fr .85fr;
    gap: 10%;
    align-items: start
}

.section h2 {
    font-size: clamp(43px, 4.5vw, 68px);
    letter-spacing: -.02em
}

.intro-copy {
    border-left: 1px solid var(--line);
    padding-left: 55px;
    margin-top: 6px;
    color: #4d555b
}

.intro-copy p {
    margin-top: 0;
    font-size: 17px
}

.text-link,
.card-link {
    display: inline-block;
    color: var(--ink);
    font-weight: 700;
    font-size: 13px;
    margin-top: 18px
}

.text-link span,
.card-link b {
    color: var(--red);
    margin-left: 12px
}

.section-dark {
    background: var(--charcoal);
    color: #fff
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 48px
}

.section-heading>p {
    width: 370px;
    color: #aeb4b7;
    margin: 0 0 7px
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: #3b3f42;
    border: 1px solid #3b3f42
}

.product-card {
    position: relative;
    min-height: 330px;
    background: #23272a;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    transition: .25s
}

.product-card:hover {
    background: #2b2f32;
    transform: translateY(-3px);
    z-index: 1
}

.product-number {
    font-size: 11px;
    color: #858b8e
}

.product-card h3 {
    font-family: "Barlow Condensed", sans-serif;
    text-transform: uppercase;
    font-size: 29px;
    line-height: 1.05;
    margin: 0 0 12px
}

.product-card p {
    font-size: 14px;
    color: #b8bdc0;
    max-width: 78%;
    margin: 0
}

.product-card .card-link {
    color: #fff
}

.heater-icon {
    position: absolute;
    right: -15px;
    top: 48px;
    width: 125px;
    height: 125px;
    opacity: .2;
    border: 16px solid #cdd2d4;
    border-radius: 50%;
    transform: rotate(-18deg)
}

.cartridge-icon {
    border-radius: 30px;
    width: 145px;
    height: 28px;
    border-width: 8px;
    top: 88px
}

.probe-icon {
    border-radius: 20px;
    width: 155px;
    height: 12px;
    border-width: 4px;
    top: 90px
}

.nozzle-icon {
    border-radius: 8px;
    width: 105px;
    height: 70px;
    border-width: 12px
}

.ceramic-icon {
    border-style: dashed
}

.product-card-cta {
    background: var(--red);
    justify-content: flex-end
}

.product-card-cta:hover {
    background: var(--red-dark)
}

.product-card-cta p {
    color: #fff;
    font-size: 13px
}

.product-card-cta h3 {
    font-size: 37px;
    max-width: 80%;
    margin: 10px 0 0
}

.round-arrow {
    position: absolute;
    right: 30px;
    bottom: 30px;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, .5);
    border-radius: 50%;
    display: grid;
    place-items: center
}

.capabilities {
    background: linear-gradient(115deg, #b81219 0%, #df2028 48%, #f1f3f3 48.1%)
}

.capability-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0
}

.capability-panel {
    color: #fff;
    padding-right: 12%
}

.section-kicker.light {
    color: #fff
}

.capability-panel p:not(.section-kicker) {
    color: #f7d9da;
    max-width: 540px
}

.button-light {
    background: #fff;
    color: var(--ink);
    margin-top: 20px
}

.capability-list {
    background: #f1f3f3;
    padding-left: 12%
}

.capability-list article {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 15px;
    padding: 0 0 27px;
    margin-bottom: 27px;
    border-bottom: 1px solid #ccd1d3
}

.capability-list article:last-child {
    margin-bottom: 0;
    border: 0;
    padding-bottom: 0
}

.capability-list article>span {
    color: var(--red);
    font: 600 15px "Barlow Condensed"
}

.capability-list h3 {
    margin: 0 0 5px;
    font-size: 18px
}

.capability-list p {
    margin: 0;
    color: #687077;
    font-size: 14px
}

.industries h2 {
    max-width: 760px;
    margin-bottom: 55px
}

.industry-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line)
}

.industry-row div {
    padding: 30px 25px 35px;
    border-right: 1px solid var(--line)
}

.industry-row div:last-child {
    border: 0
}

.industry-row span {
    font-size: 11px;
    color: var(--red)
}

.industry-row h3 {
    font: 600 22px/1.1 "Barlow Condensed";
    text-transform: uppercase;
    margin: 35px 0 0
}

.section-pale {
    background: var(--pale)
}

.resources-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 11%
}

.resources-grid>div:first-child>p:last-child {
    color: #687077;
    max-width: 440px
}

.resource-links a {
    display: grid;
    grid-template-columns: 105px 1fr 30px;
    align-items: center;
    border-top: 1px solid #cfd4d6;
    padding: 25px 5px
}

.resource-links a:last-child {
    border-bottom: 1px solid #cfd4d6
}

.resource-links span {
    color: var(--red);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em
}

.resource-links h3 {
    margin: 0;
    font-size: 16px
}

.resource-links b {
    color: var(--red);
    font-size: 20px
}

.quote-section {
    background: #141719;
    color: #fff
}

.quote-grid {
    display: grid;
    grid-template-columns: .82fr 1.18fr;
    gap: 10%
}

.quote-grid h2 {
    font-size: clamp(52px, 5vw, 75px)
}

.quote-grid>div>p:not(.section-kicker) {
    color: #aeb4b7;
    max-width: 430px
}

.quote-points {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-top: 30px;
    color: #d4d8da;
    font-size: 13px
}

.quote-points span:before {
    content: "✓";
    color: var(--red);
    margin-right: 9px
}

.quote-form {
    background: #fff;
    color: var(--ink);
    padding: 36px
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px
}

.quote-form label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 18px
}

.quote-form input,
.quote-form select,
.quote-form textarea {
    display: block;
    width: 100%;
    margin-top: 7px;
    border: 1px solid #cfd4d6;
    padding: 12px;
    font: inherit;
    font-size: 14px;
    background: #fff;
    border-radius: 0
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    outline: 2px solid rgba(215, 25, 32, .25);
    border-color: var(--red)
}

.file-field input {
    position: absolute;
    opacity: 0;
    pointer-events: none
}

.file-field>span {
    display: block
}

.file-field small {
    font-weight: 400;
    color: #7a8186
}

.file-ui {
    display: inline-block !important;
    background: #e7eaeb;
    padding: 9px 13px;
    margin-top: 7px
}

.file-name {
    display: inline !important;
    margin-left: 10px;
    color: #737a7e;
    font-weight: 400
}

.submit-button {
    border: 0
}

.form-note {
    font-size: 11px;
    color: #858b8e;
    display: inline;
    margin-left: 14px
}

.form-success {
    background: #e8f5eb;
    color: #1e6832;
    padding: 12px;
    margin-top: 15px;
    font-size: 13px
}

.spray-range-grid article { display:flex; flex-direction:column }
.spray-data-link { display:inline-flex; align-items:center; gap:8px; margin-top:auto; padding-top:24px; color:var(--red); font-size:11px; font-weight:500; letter-spacing:.09em; text-transform:uppercase }
.spray-data-link:hover,.spray-data-link:focus-visible { color:var(--blue) }

.adaptor-thread-selector {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    border-top:3px solid var(--red);
    border-left:1px solid #d4dadd
}

.adaptor-thread-option {
    position:relative;
    min-height:190px;
    padding:36px 26px 26px;
    border:0;
    border-right:1px solid #d4dadd;
    border-bottom:1px solid #d4dadd;
    background:#fff;
    color:var(--ink);
    font:inherit;
    text-align:left;
    cursor:pointer;
    transition:background .18s ease,box-shadow .18s ease
}

.adaptor-thread-option:hover,
.adaptor-thread-option:focus-visible {
    background:#f3f7f9;
    outline:0
}

.adaptor-thread-option[aria-selected="true"] {
    background:var(--blue-soft);
    box-shadow:inset 0 -4px 0 var(--blue)
}

.adaptor-thread-option .item-bullet {
    position:absolute;
    top:34px;
    left:26px
}

.adaptor-thread-option strong,
.adaptor-thread-option small,
.adaptor-thread-option b {
    display:block
}

.adaptor-thread-option strong {
    margin-top:39px;
    font-size:24px;
    font-weight:600
}

.adaptor-thread-option small {
    margin-top:8px;
    color:#677277;
    font-size:12px;
    line-height:1.5
}

.adaptor-thread-option b {
    margin-top:22px;
    color:var(--red);
    font-size:10px;
    font-weight:500;
    letter-spacing:.09em;
    text-transform:uppercase
}

.adaptor-stock-display {
    margin-top:28px
}

.adaptor-stock-prompt {
    display:flex;
    align-items:center;
    gap:22px;
    min-height:92px;
    padding:22px 28px;
    background:#f1f3f3;
    border-left:4px solid var(--blue)
}

.adaptor-stock-prompt[hidden] { display:none }
.adaptor-stock-prompt>span { color:var(--red); font-size:12px; letter-spacing:.1em }
.adaptor-stock-prompt p { margin:0; color:#596468 }
.adaptor-stock-prompt strong { color:var(--ink) }
.adaptor-stock-panel[hidden] { display:none }

.adaptor-stock-panel {
    border-top:4px solid var(--red);
    background:#f5f7f7
}

.adaptor-stock-panel>header {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:end;
    padding:34px 36px
}

.adaptor-stock-panel>header h3 {
    margin:8px 0 0;
    color:var(--blue);
    font-size:clamp(36px,4vw,58px);
    font-weight:300
}

.adaptor-stock-panel>header>p {
    margin:0;
    color:#5e696e;
    line-height:1.6
}

.adaptor-stock-table {
    border-top:1px solid #cfd6d9;
    border-left:1px solid #cfd6d9
}

.adaptor-stock-table-head,
.adaptor-stock-row {
    display:grid;
    grid-template-columns:1.2fr .85fr .85fr 1.5fr
}

.adaptor-stock-table-head {
    background:#354244;
    color:#fff
}

.adaptor-stock-table-head span {
    padding:12px 18px;
    border-right:1px solid rgba(255,255,255,.18);
    font-size:10px;
    letter-spacing:.09em;
    text-transform:uppercase
}

.adaptor-stock-row>span {
    display:flex;
    align-items:baseline;
    gap:6px;
    min-width:0;
    padding:15px 18px;
    background:#fff;
    border-right:1px solid #cfd6d9;
    border-bottom:1px solid #cfd6d9
}

.adaptor-stock-row>span>strong { font-size:14px }
.adaptor-stock-row>span>small { color:#6b7579; font-size:11px }
.adaptor-construction { align-items:center !important; flex-wrap:wrap }

.adaptor-badge {
    display:inline-flex;
    align-items:center;
    min-height:24px;
    padding:4px 9px;
    background:#e8edef;
    color:#354244;
    font-size:9px;
    font-weight:600;
    letter-spacing:.06em;
    text-transform:uppercase
}

.adaptor-badge--hex {
    background:var(--blue-soft);
    color:var(--blue)
}

@media(max-width:800px) {
    .adaptor-thread-selector { grid-template-columns:repeat(2,1fr) }
    .adaptor-stock-panel>header { grid-template-columns:1fr; gap:12px }
    .adaptor-stock-table-head { display:none }
    .adaptor-stock-row { grid-template-columns:1fr 1fr }
    .adaptor-stock-row>span { display:block }
    .adaptor-stock-row>span:before { content:attr(data-label); display:block; margin-bottom:5px; color:#7a8387; font-size:9px; letter-spacing:.08em; text-transform:uppercase }
    .adaptor-stock-row>span>small { display:block; margin-top:3px }
}

@media(max-width:520px) {
    .adaptor-thread-selector { grid-template-columns:1fr }
    .adaptor-thread-option { min-height:155px }
    .adaptor-stock-row { grid-template-columns:1fr }
    .adaptor-stock-panel>header { padding:28px 22px }
}

.sds-hero { padding:54px 0 64px; background:#f1f3f3; border-bottom:1px solid #d5dadd }
.sds-hero .breadcrumbs { margin-bottom:42px }
.sds-hero-grid { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(310px,.7fr); gap:70px; align-items:end }
.sds-hero h1 { max-width:820px; margin:14px 0 0; color:var(--ink); font-size:clamp(48px,6vw,82px); font-weight:300; line-height:.98 }
.sds-document-meta { border-left:1px solid #ccd2d5; padding-left:36px }
.sds-document-meta dl { margin:0 0 24px }
.sds-document-meta dl div { display:grid; grid-template-columns:120px 1fr; gap:16px; padding:8px 0; border-bottom:1px solid #d5dadd }
.sds-document-meta dt { color:#687276; font-size:12px }
.sds-document-meta dd { margin:0; font-weight:600 }
.sds-layout { display:grid; grid-template-columns:245px minmax(0,1fr); gap:70px; padding-top:72px; padding-bottom:90px }
.sds-nav { position:sticky; top:24px; align-self:start; max-height:calc(100vh - 48px); overflow-y:auto; border-top:3px solid var(--red) }
.sds-nav strong,.sds-nav a { display:block; padding:11px 8px; border-bottom:1px solid #d7dcde }
.sds-nav strong { padding-top:18px; color:var(--ink); font-size:11px; letter-spacing:.1em; text-transform:uppercase }
.sds-nav a { color:#596468; font-size:11px; line-height:1.35 }
.sds-nav a:hover,.sds-nav a:focus-visible { color:var(--blue) }
.sds-notice { margin-bottom:28px; padding:24px 28px; background:var(--blue-soft); border-left:4px solid var(--blue) }
.sds-notice p { margin:6px 0 0; line-height:1.65 }
.sds-content>section { padding:48px 0; border-bottom:1px solid #d5dadd; scroll-margin-top:28px }
.sds-content>section h2 { margin:10px 0 24px; color:var(--ink); font-size:clamp(30px,3.4vw,48px); font-weight:300; line-height:1.08 }
.sds-text { max-width:100%; overflow-x:auto; padding:22px 24px; background:#f7f8f8; border-top:2px solid var(--red) }
.sds-text pre { min-width:680px; margin:0; color:#30383b; font-family:Consolas,"Courier New",monospace; font-size:12px; line-height:1.6; white-space:pre-wrap }
.sds-document-footer { margin-top:48px; padding:30px; background:#eef1f2; border-top:4px solid var(--red) }
.sds-document-footer p { margin:0 0 20px; line-height:1.65 }
@media(max-width:900px) {
    .sds-hero-grid,.sds-layout { grid-template-columns:1fr; gap:36px }
    .sds-document-meta { border-left:0; border-top:1px solid #ccd2d5; padding:24px 0 0 }
    .sds-nav { position:static; max-height:none; columns:2 }
}
@media(max-width:600px) {
    .sds-hero { padding:38px 0 48px }
    .sds-nav { columns:1 }
    .sds-text { padding:18px }
    .sds-text pre { min-width:560px; font-size:11px }
}

.quote-consent {
    display: flex !important;
    align-items: flex-start;
    gap: 10px;
    font-weight: 400 !important
}

.quote-consent input {
    width: auto;
    margin: 2px 0 0;
    flex: 0 0 auto
}

.quote-consent a {
    color: var(--blue);
    text-decoration: underline
}

.quote-message {
    padding: 14px 16px;
    margin-bottom: 22px;
    border-left: 4px solid;
    font-size: 13px
}

.quote-message p {
    margin: 5px 0 0
}

.quote-message--success {
    background: #e8f5eb;
    border-color: #278641;
    color: #1e6832
}

.quote-message--error {
    background: #fff0f0;
    border-color: var(--red);
    color: #8b1720
}

.footer {
    background: #0c0e0f;
    color: #aeb3b6;
    padding: 70px 0 25px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr repeat(3, 1fr);
    gap: 50px
}

.footer h3 {
    color: #fff;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin: 0 0 17px
}

.footer a,
.footer p {
    display: block;
    font-size: 13px;
    margin: 0 0 8px
}

.footer a:hover {
    color: #fff
}

.footer-brand .brand-name {
    font-size: 39px
}

.footer-brand .brand-uk {
    color: #fff
}

.footer-brand p {
    max-width: 290px;
    margin-top: 21px
}

.footer-bottom {
    border-top: 1px solid #292c2e;
    margin-top: 52px;
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    font-size: 11px
}

.footer-bottom div {
    display: flex;
    gap: 22px
}

@media(max-width:1000px) {
    .main-nav {
        gap: 16px
    }

    .main-nav>a:not(.nav-cta) {
        display: none
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .industry-row {
        grid-template-columns: repeat(3, 1fr)
    }

    .industry-row div:nth-child(3) {
        border-right: 0
    }

    .resources-grid {
        gap: 6%
    }
}

@media(max-width:720px) {
    .container {
        width: min(calc(100% - 30px), var(--max))
    }

    .utility-bar {
        display: none
    }

    .site-header {
        height: 72px
    }

    .menu-button {
        display: block
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 18px 20px 25px;
        box-shadow: 0 12px 25px rgba(0, 0, 0, .15);
        flex-direction: column;
        align-items: stretch
    }

    .main-nav.open {
        display: flex
    }

    .main-nav>a:not(.nav-cta) {
        display: block;
        padding: 8px 0;
        border: 0
    }

    .nav-cta {
        text-align: center;
        margin: 8px 0 0
    }

    .hero {
        min-height: 660px;
        background-position: 62% center
    }

    .hero-shade {
        background: linear-gradient(90deg, rgba(9, 11, 12, .97), rgba(9, 11, 12, .74))
    }

    .hero-content {
        padding: 80px 0
    }

    .hero h1 {
        font-size: 61px
    }

    .hero-copy {
        font-size: 16px
    }

    .trust-list {
        gap: 13px;
        flex-direction: column
    }

    .section {
        padding: 72px 0
    }

    .split-intro,
    .capability-grid,
    .resources-grid,
    .quote-grid {
        grid-template-columns: 1fr
    }

    .split-intro {
        gap: 35px
    }

    .intro-copy {
        padding: 0;
        border: 0
    }

    .section-heading {
        display: block
    }

    .section-heading>p {
        width: auto;
        margin-top: 20px
    }

    .product-grid {
        grid-template-columns: 1fr
    }

    .product-card {
        min-height: 285px
    }

    .capabilities {
        background: var(--red)
    }

    .capability-panel {
        padding: 0 0 60px
    }

    .capability-list {
        padding: 45px 30px;
        margin: 0 -15px -72px
    }

    .industry-row {
        grid-template-columns: 1fr 1fr
    }

    .industry-row div:nth-child(3) {
        border-right: 1px solid var(--line)
    }

    .industry-row div:nth-child(even) {
        border-right: 0
    }

    .resources-grid {
        gap: 40px
    }

    .quote-grid {
        gap: 45px
    }

    .field-row {
        grid-template-columns: 1fr
    }

    .quote-form {
        padding: 25px 20px
    }

    .form-note {
        display: block;
        margin: 10px 0
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr
    }

    .footer-brand {
        grid-column: 1/3
    }

    .footer-bottom {
        gap: 18px;
        flex-direction: column
    }
}

/* Official Hotset identity */
.brand {
    display: flex;
    align-items: center;
    line-height: 1
}

.brand img {
    display: block;
    width: 205px;
    height: auto
}

.footer-brand img {
    display: block;
    width: 210px;
    height: auto;
    background: #fff
}

@media(max-width:720px) {
    .brand img {
        width: 165px
    }

    .footer-brand img {
        width: 190px
    }
}

/* Hotset brochure-inspired brand palette */
:root {
    --red: #e30613;
    --red-dark: #bd0711;
    --blue: #075c8f;
    --blue-dark: #063c5d;
    --blue-soft: #eaf3f7;
    --ink: #414d4e;
    --charcoal: #344244;
    --steel: #738083;
    --line: #cbd8df;
    --pale: #f3f7f8
}

.utility-bar {
    background: var(--brand-grey, #414d4e);
    border-bottom: 2px solid var(--blue)
}

.site-header {
    border-bottom: 1px solid #b9cdd8
}

.main-nav>a:not(.nav-cta):hover {
    color: var(--blue);
    border-color: var(--blue)
}

.nav-cta,
.button-primary {
    background: var(--blue)
}

.nav-cta:hover,
.button-primary:hover {
    background: var(--blue-dark)
}

.hero {
    background-color: #0b3046
}

.hero-shade {
    background: linear-gradient(90deg, rgba(5, 34, 51, .98) 0%, rgba(5, 42, 64, .9) 38%, rgba(5, 43, 67, .36) 69%, rgba(5, 43, 67, .08) 100%)
}

.hero h1 em {
    color: #fff;
    position: relative
}

.hero h1 em:after {
    content: "";
    display: block;
    width: 128px;
    height: 6px;
    background: linear-gradient(90deg, var(--red) 0 48%, #fff 48% 52%, var(--blue) 52%);
    margin-top: 17px
}

.button-ghost {
    border-color: #8fb2c6
}

.trust-list span,
.section-kicker,
.eyebrow {
    color: var(--red)
}

.text-link span,
.card-link b,
.resource-links b {
    color: var(--blue)
}

.split-intro {
    position: relative
}

.split-intro:before {
    content: "";
    position: absolute;
    left: 0;
    top: -42px;
    width: 90px;
    height: 2px;
    background: var(--blue)
}

.section-dark {
    background: #123b53
}

.section-dark .section-kicker {
    color: #ef5360
}

.product-grid {
    background: #6e91a3;
    border-color: #6e91a3
}

.product-card {
    background: #17465f
}

.product-card:hover {
    background: #1c536f
}

.product-card.featured {
    box-shadow: inset 0 4px 0 var(--red)
}

.product-card-cta {
    background: var(--red)
}

.product-card-cta:hover {
    background: var(--red-dark)
}

.heater-icon {
    border-color: #d9e9f1;
    opacity: .24
}

.capabilities {
    background: linear-gradient(115deg, var(--blue) 0%, #0874ad 48%, var(--blue-soft) 48.1%)
}

.capability-panel p:not(.section-kicker) {
    color: #d6ebf5
}

.capability-list {
    background: var(--blue-soft)
}

.capability-list article {
    border-color: #bfd2dc
}

.capability-list article>span {
    color: var(--blue)
}

.industry-row {
    border-color: #afc7d3
}

.industry-row div {
    border-color: #afc7d3
}

.industry-row span {
    color: var(--blue)
}

.section-pale {
    background: var(--blue-soft)
}

.resource-links a {
    border-color: #b8ced9
}

.resource-links span {
    color: var(--blue)
}

.resource-links a:hover h3 {
    color: var(--blue)
}

.quote-section {
    background: #083b59
}

.quote-section:before {
    content: "";
    display: block;
    height: 6px;
    background: linear-gradient(90deg, var(--red) 0 33%, #fff 33% 66%, var(--blue) 66%)
}

.quote-section:before {
    content: "";
    display: block;
    height: 6px;
    margin-bottom: 55px;
    background: linear-gradient(90deg,
            var(--red) 0 33%,
            #fff 33% 66%,
            var(--blue) 66%);
}

.quote-form {
    border-top: 4px solid var(--red)
}

.quote-points span:before {
    color: #fff
}

.footer {
    background: #354244;
    border-top: 4px solid var(--blue)
}

@media(max-width:720px) {
    .hero-shade {
        background: linear-gradient(90deg, rgba(5, 34, 51, .97), rgba(5, 43, 67, .72))
    }

    .capabilities {
        background: var(--blue)
    }

    .capability-list {
        background: var(--blue-soft)
    }
}

/* Genuine Hotset product photography extracted from the company brochure */
.hero {
    background-color: var(--blue-dark);
    background-image: url('../img/hero-real-band-heaters.jpg');
    background-position: right center;
    background-size: auto 100%;
    background-repeat: no-repeat
}

.hero-shade {
    background: linear-gradient(90deg, var(--blue-dark) 0%, rgba(6, 60, 93, .99) 34%, rgba(6, 60, 93, .92) 46%, rgba(6, 60, 93, .55) 60%, rgba(6, 60, 93, .08) 78%, rgba(6, 60, 93, 0) 100%)
}

@media(max-width:720px) {
    .hero {
        background-position: 57% center;
        background-size: auto 100%
    }

    .hero-shade {
        background: linear-gradient(90deg, rgba(6, 60, 93, .99) 0%, rgba(6, 60, 93, .94) 48%, rgba(6, 60, 93, .72) 100%)
    }
}

/* Technical resource pages */
.article-hero {
    background: linear-gradient(115deg, var(--blue-dark), #0874ad);
    color: #fff;
    padding: 52px 0 90px;
    position: relative;
    overflow: hidden
}

.article-hero:after {
    content: "W/cm²";
    position: absolute;
    right: 4%;
    bottom: -55px;
    font: 700 210px/1 "Barlow Condensed";
    color: rgba(255, 255, 255, .06)
}

.breadcrumbs {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: #bcd7e5;
    margin-bottom: 65px
}

.breadcrumbs a:hover {
    color: #fff
}

.article-hero h1 {
    font: 600 clamp(65px, 7vw, 104px)/.92 "Barlow Condensed";
    letter-spacing: -.02em;
    text-transform: uppercase;
    margin: 0;
    max-width: 700px
}

.article-hero h1 em {
    font-style: normal;
    color: #fff
}

.article-hero>div>p:last-child {
    max-width: 690px;
    font-size: 18px;
    color: #d8eaf3;
    margin: 30px 0 0
}

.article-section {
    padding: 90px 0 110px
}

.article-layout {
    display: grid;
    grid-template-columns: 210px minmax(0, 820px);
    gap: 90px;
    justify-content: center
}

.article-nav {
    position: sticky;
    top: 120px;
    align-self: start;
    display: flex;
    flex-direction: column;
    border-top: 3px solid var(--red)
}

.article-nav span {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-weight: 700;
    padding: 18px 0 10px
}

.article-nav a {
    font-size: 13px;
    padding: 8px 0;
    color: #687678
}

.article-nav a:hover {
    color: var(--blue)
}

.article-content>section {
    padding: 0 0 90px;
    margin-bottom: 90px;
    border-bottom: 1px solid var(--line);
    scroll-margin-top: 120px
}

.article-content>section:last-child {
    border: 0;
    padding-bottom: 0;
    margin-bottom: 0
}

.article-content h2 {
    font: 600 clamp(42px, 5vw, 62px)/1 "Barlow Condensed";
    text-transform: uppercase;
    color: var(--ink);
    margin: 0 0 26px
}

.article-content .lead {
    font-size: 21px;
    line-height: 1.5;
    color: #273d43
}

.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 40px;
    border: 1px solid var(--line)
}

.comparison>div {
    padding: 30px
}

.comparison>div+div {
    border-left: 1px solid var(--line);
    background: var(--blue-soft)
}

.comparison span,
.example-card>span {
    display: block;
    color: var(--blue);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: .1em;
    font-weight: 700
}

.comparison strong {
    display: block;
    font: 600 25px "Barlow Condensed";
    text-transform: uppercase;
    margin: 12px 0
}

.comparison p {
    margin: 0;
    font-size: 14px;
    color: #647174
}

.formula-card {
    background: var(--blue);
    color: #fff;
    padding: 34px 38px;
    margin: 30px 0
}

.formula-card span {
    display: block;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: 10px;
    margin-bottom: 8px;
    color: #bad9e8
}

.formula-card strong {
    display: block;
    font: 600 clamp(25px, 3vw, 38px) "Barlow Condensed"
}

.formula-card.secondary {
    background: var(--blue-soft);
    color: var(--blue-dark);
    border-left: 4px solid var(--red)
}

.formula-card small {
    display: block;
    color: #66777e;
    margin-top: 10px
}

.note-box {
    border: 1px solid #e2b9bc;
    background: #fff7f7;
    padding: 20px 24px;
    font-size: 14px
}

.example-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px
}

.example-card {
    border: 1px solid var(--line);
    padding: 30px
}

.example-card h3 {
    font: 600 24px/1.15 "Barlow Condensed";
    text-transform: uppercase;
    margin: 15px 0 26px
}

.example-card p {
    font-size: 14px
}

.example-card strong {
    font-size: 19px;
    color: var(--blue)
}

.example-card small {
    color: #798487
}

.calculator-section {
    background: var(--blue-soft);
    margin-inline: -45px !important;
    padding: 55px 45px !important;
    border: 0 !important
}

.calculator-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px
}

.calculator label {
    position: relative;
    font-size: 12px;
    font-weight: 700
}

.calculator label>span {
    position: absolute;
    right: 13px;
    bottom: 11px;
    color: #68777d
}

.calculator input {
    display: block;
    width: 100%;
    margin-top: 7px;
    padding: 13px 55px 13px 13px;
    border: 1px solid #aebfc7;
    background: #fff;
    font: inherit
}

.calculator .button {
    margin-top: 24px;
    border: 0
}

.calculator-result {
    margin-top: 25px;
    background: var(--blue-dark);
    color: #fff;
    padding: 25px 30px
}

.calculator-result span,
.calculator-result small {
    display: block;
    color: #bfd9e6;
    font-size: 12px
}

.calculator-result strong {
    display: block;
    font: 600 42px "Barlow Condensed";
    margin: 5px 0
}

.calculator-error {
    color: #a30c14;
    font-size: 13px;
    font-weight: 600
}

.factor-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    margin-top: 40px
}

.factor-list>div {
    display: grid;
    grid-template-columns: 40px 1fr;
    padding: 26px 20px 26px 0;
    border-bottom: 1px solid var(--line)
}

.factor-list>div:nth-child(odd) {
    border-right: 1px solid var(--line)
}

.factor-list>div:nth-child(even) {
    padding-left: 25px
}

.factor-list span {
    grid-row: 1/3;
    color: var(--red);
    font-size: 11px
}

.factor-list h3 {
    font-size: 16px;
    margin: 0 0 5px
}

.factor-list p {
    font-size: 13px;
    color: #69777b;
    margin: 0
}

.article-cta {
    background: var(--blue);
    color: #fff;
    padding: 38px;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-top: 55px
}

.article-cta h2 {
    color: #fff;
    font-size: 38px;
    margin: 6px 0 10px
}

.article-cta p {
    color: #d5e9f2;
    margin: 0;
    max-width: 510px
}

.article-cta>div>span {
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: 10px
}

.technical-disclaimer {
    margin-top: 25px;
    padding-left: 18px;
    border-left: 3px solid var(--red);
    font-size: 12px;
    color: #718083
}

@media(max-width:900px) {
    .article-layout {
        grid-template-columns: 1fr
    }

    .article-nav {
        display: none
    }
}

@media(max-width:720px) {
    .article-hero {
        padding: 35px 0 65px
    }

    .breadcrumbs {
        margin-bottom: 42px;
        flex-wrap: wrap
    }

    .article-hero:after {
        font-size: 120px
    }

    .article-section {
        padding: 65px 0
    }

    .comparison,
    .example-grid,
    .calculator-fields,
    .factor-list {
        grid-template-columns: 1fr
    }

    .comparison>div+div {
        border-left: 0;
        border-top: 1px solid var(--line)
    }

    .calculator-section {
        margin-inline: -15px !important;
        padding: 45px 20px !important
    }

    .factor-list>div:nth-child(odd) {
        border-right: 0
    }

    .factor-list>div:nth-child(even) {
        padding-left: 0
    }

    .article-cta {
        align-items: start;
        flex-direction: column
    }
}

/* Cartridge heater specification guide */
.cartridge-guide-hero:after {
    content: "Ø × L"
}

.guide-photo {
    margin: 38px 0;
    background: #fff;
    border: 1px solid var(--line)
}

.guide-photo img {
    display: block;
    width: 100%;
    height: auto
}

.guide-photo span {
    display: block;
    padding: 10px 15px;
    color: #68777d;
    font-size: 11px;
    border-top: 1px solid var(--line)
}

.cartridge-diagram {
    position: relative;
    margin: 45px 0 55px;
    padding: 58px 70px 62px;
    background: var(--blue-soft);
    min-height: 210px
}

.heater-body {
    position: relative;
    height: 50px;
    margin-top: 25px;
    background: linear-gradient(#eef1f2, #9ca8ac 48%, #657276 51%, #e7ebec);
    border-radius: 25px 4px 4px 25px
}

.heater-tip {
    position: absolute;
    inset: 0 auto 0 0;
    width: 28px;
    border-right: 2px solid #768286
}

.heater-leads {
    position: absolute;
    left: 100%;
    top: 17px;
    width: 110px;
    height: 16px;
    border-top: 4px solid var(--red);
    border-bottom: 4px solid var(--blue)
}

.dimension {
    position: absolute;
    color: var(--blue);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em
}

.dimension:before,
.dimension:after {
    content: "";
    position: absolute;
    background: var(--blue)
}

.dimension-length {
    left: 70px;
    right: 70px;
    top: 30px;
    text-align: center;
    border-top: 1px solid var(--blue)
}

.dimension-length:before,
.dimension-length:after {
    top: -5px;
    width: 1px;
    height: 10px
}

.dimension-length:before {
    left: 0
}

.dimension-length:after {
    right: 0
}

.dimension-length span {
    position: relative;
    top: -25px
}

.dimension-diameter {
    left: 30px;
    top: 77px;
    height: 50px;
    border-left: 1px solid var(--blue);
    display: flex;
    align-items: center
}

.dimension-diameter:before,
.dimension-diameter:after {
    left: -5px;
    width: 10px;
    height: 1px
}

.dimension-diameter:before {
    top: 0
}

.dimension-diameter:after {
    bottom: 0
}

.dimension-diameter span {
    transform: rotate(-90deg);
    margin-left: -48px
}

.dimension-lead {
    right: 42px;
    bottom: 38px
}

.spec-detail-grid,
.option-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line)
}

.spec-detail-grid>div,
.option-grid>div {
    display: grid;
    grid-template-columns: 40px 1fr;
    padding: 28px 24px 28px 0;
    border-bottom: 1px solid var(--line)
}

.spec-detail-grid>div:nth-child(odd),
.option-grid>div:nth-child(odd) {
    border-right: 1px solid var(--line)
}

.spec-detail-grid>div:nth-child(even),
.option-grid>div:nth-child(even) {
    padding-left: 25px
}

.spec-detail-grid span,
.option-grid span {
    grid-row: 1/3;
    color: var(--red);
    font-size: 11px
}

.spec-detail-grid h3,
.option-grid h3 {
    margin: 0 0 6px;
    font-size: 16px
}

.spec-detail-grid p,
.option-grid p {
    margin: 0;
    color: #68777d;
    font-size: 13px
}

.three-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    margin: 35px 0
}

.three-facts>div {
    background: #fff;
    padding: 27px
}

.three-facts strong {
    font: 600 42px "Barlow Condensed";
    color: var(--blue)
}

.three-facts h3 {
    margin: 3px 0 8px
}

.three-facts p {
    font-size: 12px;
    color: #6c797d;
    margin: 0
}

.inline-resource {
    display: grid;
    grid-template-columns: 150px 1fr 25px;
    align-items: center;
    margin-top: 35px;
    padding: 20px 24px;
    background: var(--blue-soft);
    border-left: 4px solid var(--red)
}

.inline-resource span {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--blue)
}

.inline-resource strong {
    font-size: 14px
}

.inline-resource b {
    color: var(--blue);
    font-size: 20px
}

.spec-builder-section {
    margin-bottom: 90px !important
}

.spec-builder select,
.spec-builder textarea {
    display: block;
    width: 100%;
    margin-top: 7px;
    padding: 13px;
    border: 1px solid #aebfc7;
    background: #fff;
    font: inherit
}

.builder-notes {
    display: block;
    margin-top: 18px;
    font-size: 12px;
    font-weight: 700
}

.spec-output {
    margin-top: 28px;
    background: var(--blue-dark);
    color: #fff;
    padding: 28px
}

.spec-output>span {
    display: block;
    color: #bdd8e5;
    text-transform: uppercase;
    letter-spacing: .09em;
    font-size: 10px
}

.spec-output pre {
    white-space: pre-wrap;
    font: 500 13px/1.8 Inter;
    margin: 15px 0;
    color: #fff
}

.copy-spec {
    border: 1px solid #9abed0;
    background: transparent;
    color: #fff;
    padding: 9px 14px;
    cursor: pointer
}

.copy-spec:hover {
    background: #fff;
    color: var(--blue-dark)
}

.spec-output small {
    margin-left: 12px;
    color: #b9d7e5
}

@media(max-width:720px) {

    .spec-detail-grid,
    .option-grid,
    .three-facts {
        grid-template-columns: 1fr
    }

    .spec-detail-grid>div:nth-child(odd),
    .option-grid>div:nth-child(odd) {
        border-right: 0
    }

    .spec-detail-grid>div:nth-child(even),
    .option-grid>div:nth-child(even) {
        padding-left: 0
    }

    .cartridge-diagram {
        padding-inline: 55px
    }

    .heater-leads {
        width: 55px
    }

    .inline-resource {
        grid-template-columns: 1fr 25px
    }

    .inline-resource span {
        grid-column: 1/3;
        margin-bottom: 5px
    }
}

.cartridge-drawing {
    margin: 45px 0 55px;
    background: var(--blue-soft);
    border: 1px solid #c5d8e1
}

.cartridge-drawing svg {
    display: block;
    width: 100%;
    height: auto;
    padding: 12px 18px 0
}

.drawing-dimensions line {
    stroke: var(--blue);
    stroke-width: 1.5
}

.drawing-dimensions text,
.drawing-labels text {
    fill: var(--blue);
    font: 700 12px Inter;
    letter-spacing: 1px
}

.drawing-labels line {
    stroke: #7e9199;
    stroke-width: 1
}

.cartridge-drawing figcaption {
    margin: 0;
    padding: 11px 18px;
    border-top: 1px solid #c5d8e1;
    color: #64767d;
    font-size: 11px;
    background: #f8fbfc
}

@media(max-width:720px) {
    .cartridge-drawing svg {
        padding: 5px
    }

    .drawing-dimensions text,
    .drawing-labels text {
        font-size: 14px
    }

    .cartridge-drawing figcaption {
        font-size: 10px
    }
}

/* Mica versus ceramic selection guide */
.comparison-guide-hero:after {
    content: "M / C"
}

.quick-choice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    margin: 38px 0 25px
}

.quick-choice-grid>div {
    background: #fff;
    padding: 32px
}

.quick-choice-grid .choice-ceramic {
    background: var(--blue-soft)
}

.quick-choice-grid span {
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: 10px;
    font-weight: 700
}

.quick-choice-grid h3 {
    font: 600 27px/1.05 "Barlow Condensed";
    text-transform: uppercase;
    margin: 12px 0 22px
}

.quick-choice-grid ul {
    padding-left: 18px;
    margin: 0
}

.quick-choice-grid li {
    margin: 8px 0;
    font-size: 13px;
    color: #607075
}

.heater-comparison-photos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 38px 0
}

.heater-comparison-photos figure {
    margin: 0;
    border: 1px solid var(--line);
    background: #fff
}

.heater-comparison-photos img {
    display: block;
    width: 100%;
    aspect-ratio: 1.6/1;
    object-fit: cover
}

.heater-comparison-photos figcaption {
    padding: 18px;
    border-top: 1px solid var(--line)
}

.heater-comparison-photos figcaption span {
    display: block;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: .09em;
    font-size: 10px
}

.heater-comparison-photos figcaption strong {
    display: block;
    font-size: 13px;
    margin-top: 5px
}

.construction-explain {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 35px
}

.construction-explain>div {
    display: grid;
    grid-template-columns: 35px 1fr
}

.construction-explain span {
    grid-row: 1/3;
    color: var(--blue);
    font-size: 11px
}

.construction-explain h3 {
    font-size: 16px;
    margin: 0 0 7px
}

.construction-explain p {
    font-size: 13px;
    color: #67777c;
    margin: 0
}

.comparison-table {
    border-top: 3px solid var(--red);
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line)
}

.comparison-table>div {
    display: grid;
    grid-template-columns: 150px 1fr 1fr;
    border-bottom: 1px solid var(--line)
}

.comparison-table>div>* {
    margin: 0;
    padding: 17px 20px;
    border-left: 1px solid var(--line);
    font-size: 12px
}

.comparison-table>div>*:first-child {
    border-left: 0;
    color: #56666b;
    font-weight: 700
}

.comparison-table-head {
    background: var(--blue);
    color: #fff
}

.comparison-table-head>* {
    color: #fff !important;
    text-transform: uppercase;
    letter-spacing: .06em
}

.comparison-table p:nth-child(3) {
    background: #f1f7f9
}

.band-selector fieldset {
    border: 0;
    padding: 0;
    margin: 30px 0
}

.band-selector legend {
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 12px
}

.band-selector fieldset label {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 13px 15px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    font-size: 13px;
    cursor: pointer
}

.band-selector input {
    width: 17px;
    height: 17px;
    accent-color: var(--blue);
    flex: 0 0 auto
}

.selector-result {
    margin-top: 27px;
    padding: 28px;
    background: var(--blue-dark);
    color: #fff
}

.selector-result>span {
    display: block;
    color: #bfdbe8;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: 10px
}

.selector-result strong {
    display: block;
    font: 600 31px "Barlow Condensed";
    text-transform: uppercase;
    margin: 7px 0
}

.selector-result p {
    color: #fff;
    margin: 0 0 12px
}

.selector-result small {
    display: block;
    color: #bdd3dc
}

@media(max-width:720px) {

    .quick-choice-grid,
    .heater-comparison-photos,
    .construction-explain {
        grid-template-columns: 1fr
    }

    .comparison-table {
        overflow-x: auto
    }

    .comparison-table>div {
        grid-template-columns: 115px minmax(190px, 1fr) minmax(190px, 1fr);
        min-width: 500px
    }

    .comparison-table>div>* {
        padding: 14px 12px
    }

    .construction-explain {
        gap: 28px
    }
}

/* Thermocouple guide */
.thermocouple-guide-hero:after {
    content: "mV / °C"
}

.tc-type-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 38px 0
}

.tc-type-card {
    border: 1px solid var(--line);
    background: #fff
}

.tc-type-card header {
    display: grid;
    grid-template-columns: 65px 1fr;
    padding: 25px;
    background: var(--blue-dark);
    color: #fff
}

.tc-type-card header span {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: .1em
}

.tc-type-card header strong {
    grid-row: 1/3;
    font: 600 78px/1 "Barlow Condensed";
    text-align: right
}

.tc-type-card header p {
    margin: 5px 0 0;
    color: #c5dde8;
    font-size: 12px
}

.tc-type-card.type-j header {
    border-top: 5px solid #202729
}

.tc-type-card.type-k header {
    border-top: 5px solid #168a4a
}

.tc-type-card>div {
    padding: 25px
}

.tc-type-card h3 {
    font-size: 13px;
    margin: 0 0 7px;
    color: var(--blue)
}

.tc-type-card ul {
    padding-left: 18px;
    margin: 0 0 24px
}

.tc-type-card li {
    font-size: 12px;
    color: #647277;
    margin: 7px 0
}

.tc-comparison-table {
    margin-top: 30px
}

.wire-swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    vertical-align: -2px;
    margin-right: 7px
}

.swatch-black {
    background: #202729
}

.swatch-green {
    background: #168a4a
}

.junction-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 35px
}

.junction-grid article {
    border: 1px solid var(--line);
    padding: 20px
}

.junction-grid article>span {
    display: block;
    margin-top: 17px;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: 10px
}

.junction-grid h3 {
    font: 600 23px/1.05 "Barlow Condensed";
    text-transform: uppercase;
    margin: 8px 0 15px
}

.junction-grid p {
    font-size: 11px;
    color: #647277;
    margin: 4px 0 16px
}

.junction-grid article>strong {
    font-size: 11px;
    color: var(--blue)
}

.junction-sketch {
    position: relative;
    height: 115px;
    background: var(--blue-soft);
    overflow: hidden
}

.junction-sheath {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 24px;
    height: 66px;
    border: 5px solid #738084;
    border-radius: 0 34px 34px 0;
    border-left-width: 12px
}

.junction-sketch i {
    position: absolute;
    left: 8px;
    width: 68px;
    height: 3px;
    transform-origin: left
}

.junction-sketch .wire-a {
    top: 45px;
    background: var(--red);
    transform: rotate(10deg)
}

.junction-sketch .wire-b {
    top: 70px;
    background: var(--blue);
    transform: rotate(-10deg)
}

.junction-sketch b {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #2f383b;
    left: 72px;
    top: 53px
}

.isolated-sketch b {
    left: 90px
}

.isolated-sketch:after {
    content: "";
    position: absolute;
    width: 23px;
    height: 23px;
    border: 2px dashed #fff;
    border-radius: 50%;
    left: 82px;
    top: 46px
}

.exposed-sketch .junction-sheath {
    right: 55px
}

.exposed-sketch b {
    left: auto;
    right: 29px
}

.exposed-sketch i {
    width: 125px
}

.wiring-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    margin: 35px 0
}

.wiring-points>div {
    display: grid;
    grid-template-columns: 50px 1fr;
    padding: 26px 20px 26px 0;
    border-bottom: 1px solid var(--line)
}

.wiring-points>div:nth-child(odd) {
    border-right: 1px solid var(--line)
}

.wiring-points>div:nth-child(even) {
    padding-left: 25px
}

.wiring-points span {
    grid-row: 1/3;
    color: var(--red);
    font: 600 19px "Barlow Condensed"
}

.wiring-points h3 {
    font-size: 15px;
    margin: 0 0 5px
}

.wiring-points p {
    font-size: 12px;
    color: #657479;
    margin: 0
}

.thermocouple-checklist {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    margin-top: 30px
}

.thermocouple-checklist label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #fff;
    padding: 15px;
    font-size: 12px
}

.thermocouple-checklist input {
    width: 16px;
    height: 16px;
    accent-color: var(--blue);
    flex: 0 0 auto
}

@media(max-width:720px) {

    .tc-type-grid,
    .junction-grid,
    .wiring-points,
    .thermocouple-checklist {
        grid-template-columns: 1fr
    }

    .wiring-points>div:nth-child(odd) {
        border-right: 0
    }

    .wiring-points>div:nth-child(even) {
        padding-left: 0
    }

    .junction-grid {
        gap: 20px
    }
}

/* Junction diagram geometry: cable enters left, measuring junction sits at the closed tip */
.junction-sketch i {
    width: calc(100% - 58px)
}

.junction-sketch b {
    left: auto;
    right: 19px;
    top: 53px
}

.isolated-sketch b {
    left: auto;
    right: 42px
}

.isolated-sketch:after {
    left: auto;
    right: 32px;
    top: 46px
}

.exposed-sketch .junction-sheath {
    right: 70px
}

.exposed-sketch i {
    width: calc(100% - 38px)
}

.exposed-sketch b {
    right: 25px
}

.junction-diagram {
    display: block;
    width: 100%;
    height: auto;
    background: var(--blue-soft);
    border: 1px solid #c4d8e2;
}

.tc-sheath {
    fill: #819095;
    stroke: #546267;
    stroke-width: 3;
    stroke-linejoin: round;
}

.tc-insulation {
    fill: #f3eee2;
    stroke: #c9c1ae;
    stroke-width: 2;
}

.tc-wire {
    fill: none;
    stroke-width: 7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.tc-wire-positive {
    stroke: var(--red);
}

.tc-wire-negative {
    stroke: var(--blue);
}

.tc-junction {
    fill: #283438;
    stroke: #ffffff;
    stroke-width: 3;
}

.tc-bond {
    stroke: #283438;
    stroke-width: 7;
    stroke-linecap: round;
}

.tc-isolation-ring {
    fill: #f3eee2;
    stroke: #c9c1ae;
    stroke-width: 2;
    stroke-dasharray: 4 3;
}

.exposed-sheath,
.exposed-insulation {
    stroke-linejoin: miter;
}

.tc-label {
    fill: var(--blue);
    font-family: Inter, Arial, sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* About Hotset UK */
.about-hero {
    position: relative;
    overflow: hidden;
    padding: 52px 0 100px;
    color: #fff;
    background:
        linear-gradient(115deg, var(--blue-dark) 0%, var(--blue) 68%, #0874ad 100%);
}

.about-hero::after {
    content: "1993";
    position: absolute;
    right: 3%;
    bottom: -68px;
    color: rgba(255, 255, 255, 0.055);
    font: 700 250px/1 "Barlow Condensed", Arial, sans-serif;
}

.about-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 90px;
    align-items: end;
}

.about-hero h1 {
    max-width: 760px;
    margin: 0;
    font: 600 clamp(65px, 7vw, 104px)/0.92 "Barlow Condensed", Arial, sans-serif;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.about-hero h1 em {
    color: var(--red);
    font-style: normal;
}

.about-hero-copy {
    padding-left: 36px;
    border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.about-hero-copy p {
    margin: 0 0 18px;
    color: #d8eaf3;
    font-size: 16px;
}

.about-hero-copy p:first-child {
    color: #fff;
    font-size: 20px;
    line-height: 1.5;
}

.about-introduction {
    padding: 105px 0;
}

.about-introduction-grid {
    display: grid;
    grid-template-columns: 0.9fr 1fr;
    gap: 10%;
}

.about-introduction h2,
.about-quality h2,
.about-products h2 {
    margin: 0;
    font: 600 clamp(43px, 4.5vw, 68px)/0.98 "Barlow Condensed", Arial, sans-serif;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.about-body-copy {
    padding-left: 48px;
    border-left: 1px solid var(--line);
    color: #58686d;
}

.about-body-copy p {
    margin: 0 0 22px;
}

.about-body-copy .about-lead {
    color: #273d43;
    font-size: 20px;
    line-height: 1.55;
}

.about-numbers {
    background: var(--blue-dark);
    color: #fff;
}

.about-number-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.about-number-grid article {
    min-height: 275px;
    padding: 45px 32px;
    border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.about-number-grid article:last-child {
    border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.about-number-grid strong {
    display: block;
    color: #fff;
    font: 600 66px/1 "Barlow Condensed", Arial, sans-serif;
}

.about-number-grid span {
    display: block;
    margin-top: 10px;
    color: #ef5360;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.about-number-grid p {
    margin: 25px 0 0;
    color: #bed3dd;
    font-size: 12px;
}

.about-quality {
    padding: 110px 0;
    background: var(--blue-soft);
}

.about-quality-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 75px;
    align-items: start;
}

.quality-panel {
    position: relative;
    overflow: hidden;
    min-height: 470px;
    padding: 50px;
    color: #fff;
    background: var(--blue);
}

.quality-panel>div {
    position: relative;
    z-index: 1;
}

.quality-panel h2 {
    margin-bottom: 25px;
    color: #fff;
}

.quality-panel p:not(.section-kicker) {
    color: #d5e8f1;
}

.quality-mark {
    position: absolute;
    right: -15px;
    bottom: -70px;
    color: rgba(255, 255, 255, 0.07);
    font: 700 230px/1 "Barlow Condensed", Arial, sans-serif;
}

.quality-principles {
    border-top: 3px solid var(--red);
}

.quality-principles article {
    display: grid;
    grid-template-columns: 48px 1fr;
    padding: 25px 0;
    border-bottom: 1px solid #b8ced9;
}

.quality-principles article>span {
    color: var(--red);
    font-size: 11px;
}

.quality-principles h3 {
    margin: 0 0 6px;
    color: var(--ink);
    font-size: 16px;
}

.quality-principles p {
    margin: 0;
    color: #64757b;
    font-size: 13px;
}

.about-products {
    padding: 105px 0;
}

.about-products .section-heading>p {
    color: #65757a;
}

.about-product-list {
    margin-top: 45px;
    border-top: 3px solid var(--red);
}

.about-product-list a {
    display: grid;
    grid-template-columns: 75px 1fr 40px;
    align-items: center;
    min-height: 88px;
    padding: 0 22px;
    border-bottom: 1px solid var(--line);
    transition: 0.2s;
}

.about-product-list a:hover {
    padding-left: 30px;
    color: var(--blue);
    background: var(--blue-soft);
}

.about-product-list span {
    color: var(--red);
    font-size: 11px;
}

.about-product-list strong {
    font: 600 26px "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.about-product-list b {
    color: var(--blue);
    font-size: 21px;
    text-align: right;
}

.about-cta-section {
    padding: 0 0 110px;
}

.about-cta-section .article-cta {
    margin-top: 0;
}

@media (max-width: 900px) {

    .about-hero-grid,
    .about-introduction-grid,
    .about-quality-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-hero-copy,
    .about-body-copy {
        padding-left: 0;
        border-left: 0;
    }

    .about-number-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-number-grid article:nth-child(2) {
        border-right: 1px solid rgba(255, 255, 255, 0.18);
    }
}

@media (max-width: 600px) {
    .about-hero {
        padding: 35px 0 70px;
    }

    .about-hero::after {
        font-size: 145px;
    }

    .about-introduction,
    .about-quality,
    .about-products {
        padding: 70px 0;
    }

    .about-number-grid {
        grid-template-columns: 1fr;
    }

    .about-number-grid article {
        min-height: auto;
        border-right: 1px solid rgba(255, 255, 255, 0.18);
    }

    .quality-panel {
        min-height: auto;
        padding: 35px 28px;
    }

    .quality-mark {
        font-size: 160px;
    }

    .about-product-list a {
        grid-template-columns: 48px 1fr 25px;
        padding-inline: 10px;
    }

    .about-product-list strong {
        font-size: 21px;
    }
}

/* Hotset Group section */
.hotset-group-section {
    padding: 110px 0;
    color: #fff;
    background: var(--blue-dark);
}

.hotset-group-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 85px;
    align-items: start;
}

.hotset-group-heading {
    position: sticky;
    top: 130px;
}

.hotset-group-heading h2 {
    margin: 0;
    color: #fff;
    font: 600 clamp(43px, 4.5vw, 68px)/0.98 "Barlow Condensed", Arial, sans-serif;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.hotset-group-heading h2 em {
    color: #ef5360;
    font-style: normal;
}

.hotset-group-content {
    padding-left: 50px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hotset-group-content>p {
    margin: 0 0 22px;
    color: #bdd4df;
}

.hotset-group-content .hotset-group-lead {
    color: #fff;
    font-size: 20px;
    line-height: 1.55;
}

.group-benefits {
    margin-top: 42px;
    border-top: 3px solid var(--red);
}

.group-benefits>div {
    display: grid;
    grid-template-columns: 45px 1fr;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.group-benefits span {
    grid-row: 1 / 3;
    color: #ef5360;
    font-size: 11px;
}

.group-benefits strong {
    color: #fff;
    font-size: 14px;
}

.group-benefits p {
    margin: 5px 0 0;
    color: #aac4d0;
    font-size: 12px;
}

.group-website-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 35px;
    padding: 22px 25px;
    color: var(--blue-dark);
    background: #fff;
    border-left: 5px solid var(--red);
    transition: 0.2s;
}

.group-website-link:hover {
    color: #fff;
    background: var(--red);
}

.group-website-link span {
    font: 600 25px "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.group-website-link small {
    display: block;
    margin-bottom: 3px;
    color: #6a7b82;
    font: 700 9px Inter, Arial, sans-serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.group-website-link:hover small {
    color: rgba(255, 255, 255, 0.75);
}

.group-website-link b {
    font-size: 25px;
}

@media (max-width: 900px) {
    .hotset-group-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .hotset-group-heading {
        position: static;
    }

    .hotset-group-content {
        padding-left: 0;
        border-left: 0;
    }
}

@media (max-width: 600px) {
    .hotset-group-section {
        padding: 70px 0;
    }
}

/* Product pages */
.product-page-hero {
    padding: 52px 0 95px;
    color: #fff;
    background: linear-gradient(115deg,
            var(--blue-dark) 0%,
            var(--blue) 72%,
            #0874ad 100%);
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.product-hero-copy h1 {
    margin: 0;
    font: 600 clamp(68px, 8vw, 112px)/0.86 "Barlow Condensed", Arial, sans-serif;
    letter-spacing: -0.025em;
    text-transform: uppercase;
}

.product-hero-copy h1 em {
    color: #ef5360;
    font-style: normal;
}

.product-hero-lead {
    max-width: 570px;
    margin: 32px 0;
    color: #d8eaf3;
    font-size: 18px;
    line-height: 1.55;
}

.product-hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.product-hero-image {
    position: relative;
    margin: 0;
    background: #fff;
    border-top: 5px solid var(--red);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.22);
}

.product-hero-image img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.product-hero-image figcaption {
    padding: 13px 17px;
    color: #67777d;
    background: #fff;
    font-size: 11px;
}

/* Reusable product photography gallery */
.product-gallery {
    overflow: hidden;
}

.product-gallery-stage {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background: #f5f6f6;
}

.product-gallery-open {
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
}

.product-hero-image .product-gallery-slide {
    display: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-hero-image .product-gallery-slide.is-active {
    display: block;
    animation: product-gallery-fade .42s ease;
}

@keyframes product-gallery-fade {
    from { opacity: .25; }
    to { opacity: 1; }
}

.product-gallery-control,
.product-gallery-lightbox-control {
    display: grid;
    position: absolute;
    z-index: 3;
    top: 50%;
    width: 44px;
    height: 58px;
    padding: 0;
    border: 0;
    color: #fff;
    background: rgba(0, 51, 92, .82);
    cursor: pointer;
    place-items: center;
    transform: translateY(-50%);
    transition: background .18s ease;
}

.product-gallery-control:hover,
.product-gallery-control:focus-visible,
.product-gallery-lightbox-control:hover,
.product-gallery-lightbox-control:focus-visible {
    background: #f51b35;
}

.product-gallery-control span,
.product-gallery-lightbox-control span {
    font: 300 40px/1 Arial, sans-serif;
}

.product-gallery-control--previous,
.product-gallery-lightbox-control--previous {
    left: 0;
}

.product-gallery-control--next,
.product-gallery-lightbox-control--next {
    right: 0;
}

.product-gallery-count,
.product-gallery-enlarge {
    position: absolute;
    z-index: 2;
    bottom: 14px;
    padding: 7px 10px;
    color: #fff;
    background: rgba(0, 51, 92, .82);
    font-size: 10px;
    letter-spacing: .06em;
    text-transform: uppercase;
    pointer-events: none;
}

.product-gallery-count {
    left: 14px;
}

.product-gallery-enlarge {
    right: 14px;
}

.product-gallery-lightbox {
    width: min(1180px, calc(100vw - 44px));
    max-width: none;
    height: min(860px, calc(100vh - 44px));
    max-height: none;
    padding: 0;
    border: 0;
    background: #101719;
    box-shadow: 0 30px 90px rgba(0, 0, 0, .45);
}

.product-gallery-lightbox::backdrop {
    background: rgba(3, 12, 16, .88);
}

.product-gallery-lightbox-content {
    display: grid;
    height: 100%;
    box-sizing: border-box;
    grid-template-rows: minmax(0, 1fr) auto;
    padding: 42px 70px 24px;
}

.product-gallery-lightbox-content img {
    width: 100%;
    height: 100%;
    min-height: 0;
    object-fit: contain;
    background: #f5f6f6;
}

.product-gallery-lightbox-content p {
    margin: 18px 0 0;
    color: #dfe8e9;
    text-align: center;
    font-size: 13px;
}

.product-gallery-lightbox-close {
    position: absolute;
    z-index: 4;
    top: 10px;
    right: 14px;
    padding: 4px 10px;
    border: 0;
    color: #fff;
    background: transparent;
    cursor: pointer;
    font: 300 34px/1 Arial, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
    .product-hero-image .product-gallery-slide.is-active {
        animation: none;
    }
}

@media (max-width: 650px) {
    .product-gallery-control {
        width: 38px;
        height: 50px;
    }

    .product-gallery-enlarge {
        display: none;
    }

    .product-gallery-lightbox {
        width: calc(100vw - 20px);
        height: calc(100vh - 20px);
    }

    .product-gallery-lightbox-content {
        padding: 48px 46px 20px;
    }
}

.product-overview {
    padding: 110px 0;
}

.product-overview-grid {
    display: grid;
    grid-template-columns: 0.85fr 1fr;
    gap: 10%;
}

.product-overview h2,
.product-section-heading h2,
.product-options-intro h2,
.specification-heading h2,
.product-advice-card h2 {
    margin: 0;
    font: 600 clamp(43px, 4.5vw, 68px)/0.98 "Barlow Condensed", Arial, sans-serif;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.product-overview-copy {
    padding-left: 48px;
    border-left: 1px solid var(--line);
    color: #627176;
}

.product-overview-copy>p {
    margin: 0 0 20px;
}

.product-overview-copy .product-lead {
    color: #273d43;
    font-size: 20px;
    line-height: 1.55;
}

.product-note {
    margin-top: 35px;
    padding: 22px 25px;
    background: var(--blue-soft);
    border-left: 4px solid var(--red);
}

.product-note strong {
    color: var(--blue);
    font-size: 14px;
}

.product-note p {
    margin: 5px 0 0;
    font-size: 12px;
}

.product-feature-section {
    padding: 105px 0;
    color: #fff;
    background: var(--blue-dark);
}

.product-section-heading {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    align-items: end;
    margin-bottom: 48px;
}

.product-feature-section .product-section-heading h2 {
    color: #fff;
}

.product-section-heading>p {
    width: 380px;
    margin: 0 0 7px;
    color: #adc6d1;
}

.product-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: #4e7080;
    border: 1px solid #4e7080;
}

.product-feature-grid article {
    min-height: 255px;
    padding: 30px;
    background: #16465f;
}

.product-feature-grid span {
    color: #ef5360;
    font-size: 10px;
}

.product-feature-grid h3 {
    margin: 55px 0 12px;
    color: #fff;
    font: 600 25px/1.05 "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.product-feature-grid p {
    margin: 0;
    color: #c2d8e2;
    font-size: 12px;
}

.product-options-section {
    padding: 110px 0;
    background: var(--blue-soft);
}

.heater-cooler-section {
    padding: 90px 0;
    background: #eef2f3;
    border-top: 1px solid #d5dadd;
    border-bottom: 1px solid #d5dadd
}

.heater-cooler-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr);
    gap: 80px;
    align-items: end;
    margin-bottom: 50px
}

.heater-cooler-heading h2 {
    margin: 12px 0 0;
    color: var(--ink);
    font-size: clamp(46px, 5.4vw, 76px);
    font-weight: 300;
    line-height: .98
}

.heater-cooler-heading h2 em {
    color: var(--blue);
    font-style: normal
}

.heater-cooler-heading>div:last-child {
    padding-left: 38px;
    border-left: 1px solid #c8d0d3
}

.heater-cooler-heading p {
    color: #5d686c;
    line-height: 1.7
}

.heater-cooler-heading .heater-cooler-lead {
    margin-top: 0;
    color: var(--ink);
    font-size: 20px;
    line-height: 1.55
}

.heater-cooler-components {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 4px solid var(--red);
    border-left: 1px solid #cfd6d9
}

.heater-cooler-components article {
    min-height: 270px;
    padding: 30px 26px;
    background: #fff;
    border-right: 1px solid #cfd6d9;
    border-bottom: 1px solid #cfd6d9
}

.heater-cooler-components article>span {
    display: block;
    margin-bottom: 42px;
    color: var(--red);
    font-size: 11px;
    letter-spacing: .08em
}

.heater-cooler-components h3 {
    margin: 0 0 12px;
    color: var(--blue);
    font-size: 20px;
    font-weight: 500
}

.heater-cooler-components p {
    margin: 0;
    color: #616c70;
    font-size: 13px;
    line-height: 1.65
}

.heater-cooler-bespoke {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 70px;
    margin-top: 34px;
    padding: 38px 42px;
    background: var(--blue-soft);
    border-left: 4px solid var(--blue)
}

.heater-cooler-bespoke h3 {
    margin: 10px 0 0;
    color: var(--ink);
    font-size: clamp(28px, 3vw, 42px);
    font-weight: 300;
    line-height: 1.08
}

.heater-cooler-bespoke>div:last-child>p {
    margin-top: 0;
    line-height: 1.7
}

.heater-cooler-note {
    padding-top: 16px;
    border-top: 1px solid #bfd0d8;
    color: #526268
}

.heater-cooler-bespoke .text-link {
    display: inline-flex;
    margin-top: 8px
}

@media(max-width: 980px) {
    .heater-cooler-heading,
    .heater-cooler-bespoke {
        grid-template-columns: 1fr;
        gap: 30px
    }

    .heater-cooler-heading>div:last-child {
        padding: 28px 0 0;
        border-top: 1px solid #c8d0d3;
        border-left: 0
    }

    .heater-cooler-components {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media(max-width: 600px) {
    .heater-cooler-section {
        padding: 65px 0
    }

    .heater-cooler-components {
        grid-template-columns: 1fr
    }

    .heater-cooler-components article {
        min-height: 0
    }

    .heater-cooler-components article>span {
        margin-bottom: 25px
    }

    .heater-cooler-bespoke {
        padding: 30px 25px
    }
}

.product-options-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 85px;
}

.product-options-intro>p:last-child {
    margin-top: 28px;
    color: #63747a;
}

.product-option-list {
    border-top: 3px solid var(--red);
}

.product-option-list article {
    display: grid;
    grid-template-columns: 48px 1fr;
    padding: 24px 0;
    border-bottom: 1px solid #b8ced9;
}

.product-option-list article>span {
    color: var(--red);
    font-size: 11px;
}

.product-option-list h3 {
    margin: 0 0 5px;
    font-size: 15px;
}

.product-option-list p {
    margin: 0;
    color: #64757b;
    font-size: 12px;
}

.product-applications {
    padding: 105px 0;
}

.product-applications .product-section-heading>p {
    color: #64757b;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 3px solid var(--red);
    border-bottom: 1px solid var(--line);
}

.application-grid article {
    min-height: 225px;
    padding: 30px 25px;
    border-left: 1px solid var(--line);
}

.application-grid article:last-child {
    border-right: 1px solid var(--line);
}

.application-grid span {
    color: var(--red);
    font-size: 10px;
}

.application-grid h3 {
    margin: 45px 0 10px;
    font: 600 23px/1.05 "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.application-grid p {
    margin: 0;
    color: #68777d;
    font-size: 12px;
}

.product-specification-section {
    padding: 110px 0;
    color: #fff;
    background: var(--blue);
    scroll-margin-top: 120px;
}

.product-specification-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 85px;
}

.specification-heading h2 {
    color: #fff;
}

.specification-heading>p:last-child {
    color: #c2dbe6;
}

.product-checklist {
    background: #fff;
    border-top: 5px solid var(--red);
    counter-reset: specification-item;
}

.product-checklist label {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 18px 22px;
    color: #65757a;
    border-bottom: 1px solid var(--line);
    cursor: default;
    counter-increment: specification-item;
}

.product-checklist label::before {
    content: counter(specification-item, decimal-leading-zero);
    flex: 0 0 30px;
    color: var(--red);
    font-size: 11px;
    font-weight: 700;
}

.product-checklist label:hover {
    background: var(--blue-soft);
}

.product-checklist input {
    display: none;
}

.product-checklist span {
    font-size: 12px;
}

.product-checklist strong {
    display: block;
    margin-bottom: 2px;
    color: var(--ink);
    font-size: 13px;
}

.product-advice-section {
    padding: 100px 0 0;
}

.product-advice-card {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 65px;
    padding: 45px;
    background: var(--blue-soft);
    border-top: 4px solid var(--red);
}

.product-advice-card>div:first-child>span {
    color: var(--red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.product-advice-card p {
    margin-top: 0;
    color: #607176;
}

.product-advice-card a {
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
}

.product-advice-card a b {
    margin-left: 10px;
    color: var(--red);
}

.product-cta-section {
    padding: 55px 0 110px;
}

.product-cta-section .article-cta {
    margin-top: 0;
}

@media (max-width: 900px) {

    .product-hero-grid,
    .product-overview-grid,
    .product-options-grid,
    .product-specification-grid,
    .product-advice-card {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .product-overview-copy {
        padding-left: 0;
        border-left: 0;
    }

    .product-feature-grid {
        grid-template-columns: 1fr 1fr;
    }

    .application-grid {
        grid-template-columns: 1fr 1fr;
    }

    .application-grid article:nth-child(2) {
        border-right: 1px solid var(--line);
    }
}

@media (max-width: 650px) {
    .product-page-hero {
        padding: 35px 0 70px;
    }

    .product-overview,
    .product-feature-section,
    .product-options-section,
    .product-applications,
    .product-specification-section {
        padding: 70px 0;
    }

    .product-section-heading {
        display: block;
    }

    .product-section-heading>p {
        width: auto;
        margin-top: 20px;
    }

    .product-feature-grid,
    .application-grid {
        grid-template-columns: 1fr;
    }

    .application-grid article {
        min-height: auto;
        border-right: 1px solid var(--line);
    }

    .product-advice-card {
        padding: 30px 25px;
    }
}

/* Cartridge heater product page */
.cartridge-fit-section {
    padding: 110px 0;
    background: var(--blue-soft);
}

.cartridge-fit-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 85px;
}

.cartridge-fit-grid h2 {
    margin: 0;
    font: 600 clamp(43px, 4.5vw, 68px) / 0.98
        "Barlow Condensed", Arial, sans-serif;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.cartridge-fit-grid > div:first-child > p:last-child {
    margin-top: 28px;
    color: #63747a;
}

.cartridge-fit-points {
    border-top: 3px solid var(--red);
}

.cartridge-fit-points article {
    display: grid;
    grid-template-columns: 48px 1fr;
    padding: 27px 0;
    border-bottom: 1px solid #b8ced9;
}

.cartridge-fit-points article > span {
    color: var(--red);
    font-size: 11px;
}

.cartridge-fit-points h3 {
    margin: 0 0 6px;
    font-size: 16px;
}

.cartridge-fit-points p {
    margin: 0;
    color: #64757b;
    font-size: 13px;
}

@media (max-width: 900px) {
    .cartridge-fit-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }
}

@media (max-width: 600px) {
    .cartridge-fit-section {
        padding: 70px 0;
    }
}
/* Insulation jacket homepage card */
.jacket-icon {
    width: 110px;
    height: 90px;
    top: 58px;
    border-width: 9px;
    border-radius: 8px;
    transform: rotate(-8deg);
}

.jacket-icon::after {
    content: "";
    position: absolute;
    top: 31px;
    left: -20px;
    width: 130px;
    height: 10px;
    border-top: 4px solid #d9e9f1;
    border-bottom: 4px solid #d9e9f1;
}

.product-card-cta {
    grid-column: 1 / -1;
    min-height: 225px;
}

.product-card-cta h3 {
    max-width: 520px;
}

@media (max-width: 720px) {
    .product-card-cta {
        grid-column: auto;
        min-height: 300px;
    }
}

/* Type T and PT100 additions */
.tc-type-grid {
    grid-template-columns: repeat(3, 1fr);
}

.tc-type-card.type-t header {
    border-top: 5px solid #9a5b38;
}

.swatch-brown {
    background: #9a5b38;
}

.tc-comparison-table > div {
    grid-template-columns: 145px repeat(3, 1fr);
}

.sensor-principle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin: 35px 0 25px;
    background: var(--line);
    border: 1px solid var(--line);
}

.sensor-principle-grid > div {
    padding: 28px;
    background: #fff;
}

.sensor-principle-grid > div:last-child {
    background: var(--blue-soft);
}

.sensor-principle-grid span,
.pt100-introduction > span {
    display: block;
    color: var(--red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.sensor-principle-grid strong {
    display: block;
    margin: 9px 0;
    color: var(--blue-dark);
    font: 600 22px "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.sensor-principle-grid p {
    margin: 0;
    color: #647277;
    font-size: 12px;
}

.pt100-comparison {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    margin: 38px 0;
    border: 1px solid var(--line);
}

.pt100-introduction {
    padding: 35px;
    color: #fff;
    background: var(--blue-dark);
}

.pt100-introduction strong {
    display: block;
    margin: 12px 0 20px;
    font: 600 48px "Barlow Condensed", Arial, sans-serif;
}

.pt100-introduction p {
    color: #c6dce6;
    font-size: 13px;
}

.pt100-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.pt100-benefits > div {
    padding: 25px;
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.pt100-benefits > div:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.pt100-benefits span {
    color: var(--red);
    font-size: 10px;
}

.pt100-benefits h3 {
    margin: 18px 0 5px;
    font-size: 14px;
}

.pt100-benefits p {
    margin: 0;
    color: #647277;
    font-size: 11px;
}

.subsection-heading {
    margin: 50px 0 20px;
    font: 600 28px "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.pt100-wire-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.pt100-wire-grid article {
    padding: 24px;
    border: 1px solid var(--line);
}

.pt100-wire-grid article > span {
    color: var(--red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.pt100-wire-grid h3 {
    margin: 9px 0 15px;
    font: 600 23px "Barlow Condensed", Arial, sans-serif;
    text-transform: uppercase;
}

.pt100-wire-grid p {
    color: #647277;
    font-size: 11px;
}

.pt100-wire-grid strong {
    color: var(--blue);
    font-size: 11px;
}

@media (max-width: 900px) {
    .tc-type-grid {
        grid-template-columns: 1fr;
    }

    .tc-comparison-table {
        overflow-x: auto;
    }

    .tc-comparison-table > div {
        grid-template-columns: 120px repeat(3, minmax(170px, 1fr));
        min-width: 630px;
    }

    .pt100-comparison {
        grid-template-columns: 1fr;
    }

    .pt100-benefits > div:nth-child(odd) {
        border-left: 0;
    }
}

@media (max-width: 650px) {
    .sensor-principle-grid,
    .pt100-benefits,
    .pt100-wire-grid {
        grid-template-columns: 1fr;
    }

    .pt100-benefits > div {
        border-left: 0;
        border-bottom: 1px solid var(--line);
    }

    .pt100-benefits > div:nth-last-child(2) {
        border-bottom: 1px solid var(--line);
    }
}
/* Phase configuration guide */
.phase-guide-hero {
  background: linear-gradient(115deg, #073f5a 0%, #075f8c 100%);
}

.phase-formula-grid,
.resistance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 32px 0;
  border-top: 4px solid var(--red);
  background: #fff;
}

.phase-formula-grid > div,
.resistance-grid > div {
  padding: 25px;
  border: 1px solid #c5d7df;
  border-top: 0;
}

.phase-formula-grid > div + div,
.resistance-grid > div + div {
  border-left: 0;
}

.phase-formula-grid span,
.resistance-grid span,
.phase-label {
  display: block;
  margin-bottom: 9px;
  color: var(--red);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.phase-formula-grid strong,
.resistance-grid strong {
  color: #123e50;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.65rem;
}

.resistance-grid p {
  margin: 9px 0 0;
  font-size: .9rem;
}

.phase-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.phase-card {
  padding: 20px;
  border: 1px solid #bfd3dc;
  background: #fff;
}

.phase-card-wide {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: 42% 1fr;
  align-items: center;
  gap: 28px;
}

.phase-card h3 {
  margin: 0 0 10px;
}

.phase-card ul {
  margin-bottom: 0;
  padding-left: 19px;
}

.phase-card li + li {
  margin-top: 7px;
}

.phase-diagram {
  position: relative;
  height: 190px;
  margin-bottom: 22px;
  overflow: hidden;
  border: 1px solid #b9d2dd;
  background: #e8f3f7;
}

.phase-card-wide .phase-diagram {
  width: 100%;
  margin: 0;
}

.terminal {
  position: absolute;
  z-index: 3;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: #075f8c;
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
}

.wire,
.star-leg,
.star-neutral,
.delta-leg {
  position: absolute;
  z-index: 1;
  display: block;
  height: 4px;
  background: #075f8c;
  transform-origin: left center;
}

.heater-symbol {
  position: absolute;
  z-index: 2;
  display: block;
  width: 95px;
  height: 24px;
  border: 4px solid #697b81;
  background: repeating-linear-gradient(135deg, #fff 0 8px, #ff2026 8px 11px, #fff 11px 19px);
}

.single-phase-diagram .terminal-l1,
.two-phase-diagram .terminal-l1 { left: 18px; top: 78px; }
.single-phase-diagram .terminal-n,
.two-phase-diagram .terminal-l2 { right: 18px; top: 78px; }
.single-phase-diagram .line-l1,
.two-phase-diagram .line-l1 { left: 50px; top: 93px; width: calc(50% - 102px); }
.single-phase-diagram .line-n,
.two-phase-diagram .line-l2 { right: 50px; top: 93px; width: calc(50% - 102px); }
.heater-one { left: calc(50% - 51px); top: 80px; }

.star-l1 { left: 14px; top: 18px; }
.star-l2 { left: 14px; bottom: 18px; }
.star-l3 { right: 14px; top: 77px; }
.star-n { right: 57px; bottom: 12px; background: #687980; }
.star-point { position: absolute; left: calc(50% - 6px); top: 89px; z-index: 3; width: 12px; height: 12px; border-radius: 50%; background: #293b42; }
.star-leg { left: 43px; width: calc(50% - 39px); }
.leg-one { top: 49px; transform: rotate(27deg); }
.leg-two { top: 139px; transform: rotate(-27deg); }
.leg-three { left: 50%; top: 94px; width: calc(50% - 62px); }
.star-neutral { left: 50%; top: 98px; width: 82px; background: #687980; transform: rotate(53deg); }
.open-star-diagram .star-point { box-shadow: 0 0 0 6px rgba(255, 32, 38, .14); }

.delta-l1 { left: calc(50% - 17px); top: 9px; }
.delta-l2 { left: 30px; bottom: 15px; }
.delta-l3 { right: 30px; bottom: 15px; }
.delta-leg { left: 50%; top: 41px; width: 137px; }
.delta-one { transform: rotate(143deg); }
.delta-two { transform: rotate(37deg); }
.delta-three { left: 63px; top: 157px; width: calc(100% - 126px); }

.phase-table-wrap {
  margin-top: 28px;
  overflow-x: auto;
  border-top: 4px solid var(--red);
}

.phase-comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}

.phase-comparison-table th,
.phase-comparison-table td {
  padding: 16px;
  border: 1px solid #c5d7df;
  text-align: left;
  vertical-align: top;
}

.phase-comparison-table thead th {
  background: #073f5a;
  color: #fff;
}

.phase-comparison-table tbody th {
  color: #123e50;
}

.phase-spec-list {
  margin-top: 26px;
}

@media (max-width: 800px) {
  .phase-formula-grid,
  .resistance-grid,
  .phase-card-grid,
  .phase-card-wide {
    grid-template-columns: 1fr;
  }

  .phase-formula-grid > div + div,
  .resistance-grid > div + div {
    border-left: 1px solid #c5d7df;
  }

  .phase-card-wide {
    grid-column: auto;
  }

  .phase-card-wide .phase-diagram {
    margin-bottom: 22px;
  }
}
/* Clean phase-configuration drawings */

.phase-diagram:has(.phase-svg) {
    height: auto;
    min-height: 0;
    padding: 12px;
}

.phase-card-wide .phase-diagram {
    margin-bottom: 0;
}

.phase-svg {
    display: block;
    width: 100%;
    height: auto;
}

.svg-wire {
    fill: none;
    stroke: #08648f;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.svg-neutral-wire {
    fill: none;
    stroke: #687b83;
    stroke-width: 4;
    stroke-linecap: round;
}

.svg-element {
    fill: none;
    stroke: #ff2026;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.svg-terminal {
    fill: #00658f;
}

.svg-neutral {
    fill: #687b83;
}

.svg-terminal-text {
    fill: #ffffff;
    font-family: "Inter", sans-serif;
    font-size: 13px;
    font-weight: 700;
    text-anchor: middle;
}

.svg-junction {
    fill: #263d46;
}

.open-junction {
    stroke: rgba(255, 32, 38, 0.25);
    stroke-width: 12;
}

.svg-small-label,
.svg-caption {
    fill: #00658f;
    font-family: "Inter", sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-anchor: middle;
}

.svg-caption {
    font-size: 9px;
}

@media (max-width: 800px) {
    .phase-card-wide .phase-diagram {
        margin-bottom: 22px;
    }
}
/* Phase configuration calculator */

.phase-calculator {
    margin-top: 32px;
    overflow: hidden;
    border: 1px solid #b9cfd8;
    border-top: 5px solid var(--red);
    background: #ffffff;
}

.phase-calculator-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 28px;
    background: #073f5a;
    color: #ffffff;
}

.phase-calculator-heading span {
    display: block;
    margin-bottom: 4px;
    color: #8ed5f2;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.phase-calculator-heading h3 {
    margin: 0;
    color: #ffffff;
    font-family: "Barlow Condensed", sans-serif;
    font-size: 2rem;
    text-transform: uppercase;
}

.calculator-reset {
    padding: 11px 16px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    background: transparent;
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.calculator-reset:hover {
    border-color: #ffffff;
    background: #ffffff;
    color: #073f5a;
}

.phase-calculator-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calculator-field {
    position: relative;
    display: block;
    min-width: 0;
    padding: 22px;
    border-right: 1px solid #c9d9df;
    border-bottom: 1px solid #c9d9df;
}

.calculator-field:nth-child(3n) {
    border-right: 0;
}

.calculator-field > span {
    display: block;
    min-height: 36px;
    margin-bottom: 8px;
    color: #173c4b;
    font-size: 0.82rem;
    font-weight: 700;
}

.calculator-field small {
    display: block;
    margin-top: 7px;
    color: #6c818a;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.calculator-input {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
}

.calculator-input input,
.calculator-field select {
    width: 100%;
    height: 48px;
    box-sizing: border-box;
    border: 1px solid #9fb8c2;
    border-radius: 0;
    background: #ffffff;
    color: #173c4b;
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
}

.calculator-input input {
    min-width: 0;
    padding: 0 13px;
    border-right: 0;
}

.calculator-field select {
    padding: 0 38px 0 13px;
    cursor: pointer;
}

.calculator-input b {
    display: grid;
    height: 48px;
    place-items: center;
    box-sizing: border-box;
    border: 1px solid #9fb8c2;
    background: #073f5a;
    color: #ffffff;
    font-size: 0.8rem;
}

.calculated-field {
    background: #eaf4f7;
}

.calculated-field input {
    background: #dcecf2;
    color: #075f8c;
}

.editable-field input:focus,
.calculator-field select:focus {
    border-color: var(--red);
    outline: 2px solid rgba(255, 32, 38, 0.14);
    outline-offset: 0;
}

.calculator-explanation {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 22px;
    align-items: start;
    padding: 25px 28px;
    background: #f4f8fa;
}

.calculator-explanation > span {
    display: inline-block;
    padding: 9px 10px;
    background: var(--red);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
}

.calculator-explanation strong {
    display: block;
    margin-bottom: 6px;
    color: #173c4b;
}

.calculator-explanation p {
    margin: 0;
}

@media (max-width: 900px) {
    .phase-calculator-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .calculator-field:nth-child(3n) {
        border-right: 1px solid #c9d9df;
    }

    .calculator-field:nth-child(2n) {
        border-right: 0;
    }
}

@media (max-width: 600px) {
    .phase-calculator-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .phase-calculator-grid {
        grid-template-columns: 1fr;
    }

    .calculator-field,
    .calculator-field:nth-child(2n),
    .calculator-field:nth-child(3n) {
        border-right: 0;
    }

    .calculator-explanation {
        grid-template-columns: 1fr;
    }
}
#phaseConfiguration {
    padding-right: 30px;
    font-size: 0.78rem;
}
/* Four resistance-testing arrangements */

.resistance-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resistance-grid > div {
    border: 1px solid #c5d7df;
    border-top: 0;
}

.resistance-grid > div:nth-child(even) {
    border-left: 0;
}

@media (max-width: 650px) {
    .resistance-grid {
        grid-template-columns: 1fr;
    }

    .resistance-grid > div:nth-child(even) {
        border-left: 1px solid #c5d7df;
    }
}
.resistance-grid > div:nth-child(odd) {
    border-left: 1px solid #c5d7df;
}
/* =========================================================
   PRODUCTS MEGA MENU
   ========================================================= */

.nav-wrap {
    position: relative;
}

.nav-product {
    position: static;
}

.products-toggle {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 31px 0;
    border: 0;
    border-bottom: 3px solid transparent;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    font-weight: 600;
}

.products-toggle > span {
    color: var(--red);
    font-size: 16px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.nav-product:hover .products-toggle,
.nav-product:focus-within .products-toggle,
.nav-product.open .products-toggle {
    color: var(--blue);
    border-bottom-color: var(--red);
}

.nav-product:hover .products-toggle > span,
.nav-product:focus-within .products-toggle > span,
.nav-product.open .products-toggle > span {
    transform: rotate(180deg);
}

.products-mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    z-index: 50;
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    width: min(960px, calc(100vw - 48px));
    overflow: hidden;
    border-top: 4px solid var(--red);
    background: #ffffff;
    box-shadow: 0 22px 45px rgba(4, 35, 51, 0.22);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 12px);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s ease;
}

@media (min-width: 721px) {
    .nav-product:hover .products-mega-menu,
    .nav-product:focus-within .products-mega-menu,
    .nav-product.open .products-mega-menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translate(-50%, 0);
    }
}

.mega-menu-intro {
    padding: 34px 30px;
    background: var(--blue-dark);
    color: #ffffff;
}

.mega-menu-intro > span {
    display: block;
    margin-bottom: 18px;
    color: #8acbe8;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.mega-menu-intro h2 {
    margin: 0 0 20px;
    color: #ffffff;
    font-family: "Barlow Condensed", sans-serif;
    font-size: 34px;
    font-weight: 600;
    line-height: 0.98;
    text-transform: uppercase;
}

.mega-menu-intro p {
    margin: 0 0 25px;
    color: #c6dce6;
    font-size: 12px;
    line-height: 1.7;
}

.mega-menu-intro a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
}

.mega-menu-intro a b {
    color: #ff4248;
    font-size: 18px;
}

.mega-menu-products {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    background: #d4e0e5;
    gap: 1px;
}

.mega-menu-products > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 112px;
    gap: 18px;
    padding: 22px 24px;
    background: #ffffff;
    transition:
        background 0.18s ease,
        color 0.18s ease;
}

.mega-menu-products > a:hover,
.mega-menu-products > a:focus {
    background: var(--blue-soft);
    color: var(--blue);
}

.mega-menu-products strong {
    display: block;
    margin-bottom: 5px;
    color: var(--blue-dark);
    font-family: "Barlow Condensed", sans-serif;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.1;
    text-transform: uppercase;
}

.mega-menu-products small {
    display: block;
    max-width: 235px;
    color: #697a81;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.45;
}

.mega-menu-products > a > b {
    flex: 0 0 auto;
    color: var(--red);
    font-size: 20px;
}

/* Mobile products menu */

@media (max-width: 720px) {
    .nav-product {
        width: 100%;
    }

    .products-toggle {
        justify-content: space-between;
        width: 100%;
        padding: 8px 0;
        border-bottom: 0;
        text-align: left;
    }

    .products-mega-menu {
        position: static;
        display: none;
        grid-template-columns: 1fr;
        width: 100%;
        max-height: 62vh;
        margin-top: 8px;
        overflow-y: auto;
        border-top-width: 3px;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
    }

    .nav-product.open .products-mega-menu {
        display: grid;
    }

    .mega-menu-intro {
        padding: 23px 20px;
    }

    .mega-menu-intro h2 {
        font-size: 28px;
    }

    .mega-menu-products {
        grid-template-columns: 1fr;
    }

    .mega-menu-products > a {
        min-height: 0;
        padding: 17px 19px;
    }

    .mega-menu-products strong {
        font-size: 18px;
    }
}
/* =========================================================
   COMPACT HOMEPAGE PRODUCT INTRODUCTION
   ========================================================= */

.home-products-intro {
    position: relative;
    overflow: hidden;
    background: var(--blue-soft);
}

.home-products-intro::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: 4px;
    background: var(--red);
}

.home-products-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 10%;
    align-items: start;
}

.home-products-heading h2 {
    color: var(--blue-dark);
}

.home-products-heading h2 em {
    color: var(--red);
    font-style: normal;
}

.home-products-copy {
    padding-left: 50px;
    border-left: 1px solid #b8ced9;
    color: #526b75;
}

.home-products-copy p {
    margin-top: 0;
}

.home-products-copy p + p {
    margin-top: 18px;
}

.home-products-lead {
    color: var(--blue-dark);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.55;
}

.home-products-copy p a {
    color: var(--blue);
    font-weight: 700;
    border-bottom: 1px solid rgba(0, 101, 143, 0.3);
}

.home-products-copy p a:hover {
    color: var(--red);
    border-bottom-color: var(--red);
}

.home-products-actions {
    display: flex;
    align-items: center;
    gap: 27px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.products-menu-prompt span {
    font-size: 17px;
}

.home-products-text-link {
    color: var(--blue-dark);
    font-size: 13px;
    font-weight: 700;
}

.home-products-text-link span {
    margin-left: 10px;
    color: var(--red);
}

.home-product-strengths {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 70px;
    border-top: 1px solid #abc3ce;
    border-bottom: 1px solid #abc3ce;
}

.home-product-strengths > div {
    min-width: 0;
    padding: 28px 24px;
    border-right: 1px solid #abc3ce;
}

.home-product-strengths > div:first-child {
    padding-left: 0;
}

.home-product-strengths > div:last-child {
    padding-right: 0;
    border-right: 0;
}

.home-product-strengths span {
    display: block;
    margin-bottom: 25px;
    color: var(--red);
    font-size: 11px;
    font-weight: 700;
}

.home-product-strengths strong {
    display: block;
    margin-bottom: 7px;
    color: var(--blue-dark);
    font-size: 15px;
}

.home-product-strengths p {
    margin: 0;
    color: #697d85;
    font-size: 12px;
    line-height: 1.6;
}

@media (max-width: 900px) {
    .home-products-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .home-products-copy {
        padding-left: 0;
        border-left: 0;
    }

    .home-product-strengths {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .home-product-strengths > div,
    .home-product-strengths > div:first-child,
    .home-product-strengths > div:last-child {
        padding: 25px;
        border-right: 1px solid #abc3ce;
        border-bottom: 1px solid #abc3ce;
    }

    .home-product-strengths > div:nth-child(even) {
        border-right: 0;
    }

    .home-product-strengths > div:nth-child(n + 3) {
        border-bottom: 0;
    }
}

@media (max-width: 560px) {
    .home-product-strengths {
        grid-template-columns: 1fr;
        margin-top: 50px;
    }

    .home-product-strengths > div,
    .home-product-strengths > div:first-child,
    .home-product-strengths > div:last-child,
    .home-product-strengths > div:nth-child(even),
    .home-product-strengths > div:nth-child(n + 3) {
        padding: 22px 0;
        border-right: 0;
        border-bottom: 1px solid #abc3ce;
    }

    .home-product-strengths > div:last-child {
        border-bottom: 0;
    }
}
/* Temporary branded hero graphics for pages awaiting final photography */
.product-hero-graphic {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 38px;
  border-top: 5px solid var(--red);
  background: #eef6f9;
  color: var(--blue-dark);
  text-align: center;
  overflow: hidden;
}

.product-hero-graphic > span {
  position: relative;
  display: block;
  width: 230px;
  height: 190px;
  margin: 0 auto 42px;
}

.product-hero-graphic strong {
  font: 600 27px/1 "Barlow Condensed", sans-serif;
  text-transform: uppercase;
}

.product-hero-graphic small {
  margin-top: 8px;
  color: #637a84;
}

.product-graphic-coil > span {
  border: 18px solid var(--blue);
  border-left-color: transparent;
  border-right-color: transparent;
  border-radius: 50%;
  box-shadow: inset 0 0 0 13px #eef6f9, inset 0 0 0 29px var(--red);
  transform: rotate(-12deg);
}

.product-graphic-tubular > span {
  width: 235px;
  height: 145px;
  border: 17px solid var(--blue);
  border-top: 0;
  border-radius: 0 0 95px 95px;
}

.product-graphic-tubular > span::before,
.product-graphic-tubular > span::after {
  content: "";
  position: absolute;
  top: -36px;
  width: 17px;
  height: 42px;
  background: var(--red);
}

.product-graphic-tubular > span::before { left: -17px; }
.product-graphic-tubular > span::after { right: -17px; }

.product-graphic-connector > span::before,
.product-graphic-connector > span::after {
  content: "";
  position: absolute;
  top: 32px;
  width: 86px;
  height: 120px;
  border: 12px solid var(--blue);
  background: #fff;
}

.product-graphic-connector > span::before { left: 7px; }
.product-graphic-connector > span::after { right: 7px; border-color: var(--red); }

.product-graphic-cable > span {
  width: 245px;
  height: 150px;
  border: 15px solid var(--blue);
  border-left-color: transparent;
  border-radius: 50%;
  transform: rotate(-12deg);
}

.product-graphic-cable > span::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: -15px;
  width: 90px;
  height: 15px;
  background: var(--red);
}

/* Keep an expanded mega menu usable as the product range grows */
.products-mega-menu {
  max-height: calc(100vh - 122px);
  overflow-y: auto;
}

.mega-menu-products > a {
  min-height: 94px;
}

@media (max-width: 720px) {
  .product-hero-graphic {
    min-height: 330px;
  }
}
/* =========================================================
   SHARED FOOTER
   ========================================================= */

.footer-grid {
    grid-template-columns:
        1.2fr
        1.45fr
        1.25fr
        1fr;
    gap: 55px;
}

.footer-brand img {
    display: block;
    width: 210px;
    max-width: 100%;
    height: auto;
}

.footer-product-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(125px, 1fr));
    column-gap: 25px;
}

.footer-contact address {
    margin-top: 15px;
    color: #aeb3b6;
    font-size: 12px;
    font-style: normal;
    line-height: 1.65;
}

@media (max-width: 1050px) {
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-brand {
        grid-column: auto;
    }
}

@media (max-width: 650px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-product-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 420px) {
    .footer-product-links {
        grid-template-columns: 1fr;
    }
}
.footer-terms {
    color: #aeb3b6;
    font-size: 11px;
}
.footer-brand img {
    display: block;
    width: 210px;
    height: auto;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid #ff292f;
    box-sizing: border-box;
}
.footer-linkedin {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.footer-linkedin svg {
    width: 24px;
    height: 24px;
    fill: #ffffff;
    transition:
        fill 0.2s ease,
        transform 0.2s ease;
}

.footer-linkedin:hover {
    color: #ffffff;
}

.footer-linkedin:hover svg {
    fill: #ff292f;
    transform: translateY(-2px);
}
html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
}
.overview-sensor-ranges {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 520px;
    margin-top: 45px;
    border-top: 4px solid var(--red);
    border-left: 1px solid #bfd1d9;
}

.overview-sensor-ranges > div {
    padding: 21px 20px;
    background: var(--blue-soft);
    border-right: 1px solid #bfd1d9;
    border-bottom: 1px solid #bfd1d9;
}

.overview-sensor-ranges span {
    display: block;
    margin-bottom: 8px;
    color: var(--red);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.overview-sensor-ranges strong {
    display: block;
    color: var(--blue-dark);
    font-family: "Barlow Condensed", sans-serif;
    font-size: 24px;
    line-height: 1.1;
}

.overview-range-note {
    max-width: 520px;
    margin: 18px 0 0;
    color: #687b83;
    font-size: 11px;
    line-height: 1.6;
}

@media (max-width: 560px) {
    .overview-sensor-ranges {
        grid-template-columns: 1fr;
    }
}
.pt100-operating-range strong {
    display: block;
    margin: 9px 0;
    color: #ffffff;
    font-family: "Barlow Condensed", Arial, sans-serif;
    font-size: 25px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
    text-transform: none;
    white-space: nowrap;
}
.item-bullet {
    display: block;
    width: 7px;
    height: 7px;
    margin-top: 6px;
    background: var(--red);
    border-radius: 50%;
}
/* Site search */
.search-hero {
    padding: 42px 0 64px;
    background: #f2f5f5;
    border-bottom: 1px solid #ccd8dc;
}

.search-hero .breadcrumbs {
    margin-bottom: 54px;
}

.search-hero h1 {
    max-width: 820px;
    margin: 18px 0 32px;
    color: #343d40;
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 400;
    line-height: 1;
}

.site-search-form {
    display: grid;
    grid-template-columns: minmax(0, 680px) auto;
    max-width: 860px;
}

.site-search-form input {
    box-sizing: border-box;
    width: 100%;
    min-height: 54px;
    padding: 13px 18px;
    color: #24363e;
    background: #fff;
    border: 1px solid #aebfc6;
    border-right: 0;
    border-radius: 0;
    font: inherit;
}

.site-search-form input:focus {
    border-color: #0055a4;
    outline: 3px solid rgba(0, 85, 164, 0.12);
}

.site-search-form .button {
    min-width: 150px;
    border: 0;
    cursor: pointer;
}

.search-results-section {
    min-height: 380px;
    padding: 66px 0 90px;
}

.search-results-heading {
    display: grid;
    grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
    gap: 40px;
    align-items: start;
    margin-bottom: 34px;
}

.search-results-heading h2,
.search-empty-state h2 {
    margin: 0;
    color: #343d40;
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 400;
    line-height: 1.15;
}

.search-results-list {
    border-top: 3px solid var(--red);
}

.search-result {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 24px 20px;
    color: #24363e;
    border-bottom: 1px solid #ccd8dc;
    text-decoration: none;
    transition:
        color 0.18s ease,
        background 0.18s ease,
        padding-left 0.18s ease;
}

.search-result:hover {
    padding-left: 28px;
    color: #0055a4;
    background: #f5f8f9;
}

.search-result strong,
.search-result small {
    display: block;
}

.search-result strong {
    font-size: 22px;
    font-weight: 500;
}

.search-result small {
    margin-top: 7px;
    color: #687b83;
    font-size: 13px;
    line-height: 1.5;
}

.search-result b {
    color: #0055a4;
    font-size: 22px;
    font-weight: 400;
}

.search-empty-state {
    max-width: 760px;
    padding: 34px;
    background: #f2f5f5;
    border-left: 4px solid #0055a4;
}

.search-empty-state p {
    margin: 18px 0 0;
    color: #52666e;
    line-height: 1.7;
}

@media (max-width: 700px) {
    .site-search-form {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .site-search-form input {
        border-right: 1px solid #aebfc6;
    }

    .search-results-heading {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .search-result {
        padding-inline: 0;
    }

    .search-result:hover {
        padding-left: 8px;
    }
}
/* Header search and language controls */
.nav-tools {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-tool-button {
    display: grid;
    box-sizing: border-box;
    width: 46px;
    height: 46px;
    place-items: center;
    color: #52666e;
    background: #fff;
    border: 1px solid #d1dade;
    text-decoration: none;
    transition:
        color 0.18s ease,
        border-color 0.18s ease,
        background 0.18s ease;
}

.nav-tool-button:hover,
.nav-tool-button:focus-visible {
    color: #0055a4;
    background: #f2f7f9;
    border-color: #0055a4;
}

.nav-tool-button svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (max-width: 720px) {
    .nav-tools {
        justify-content: center;
        margin-top: 2px;
    }

    .nav-tool-button {
        width: 100%;
    }
}
/* Header language selector */
.language-switcher {
    position: relative;
}

.language-toggle {
    display: flex;
    width: 68px;
    gap: 7px;
    padding: 0 10px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.language-toggle svg {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
}

.language-current {
    color: #24363e;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.language-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    z-index: 100;
    box-sizing: border-box;
    width: 230px;
    padding: 8px;
    background: #fff;
    border-top: 3px solid var(--red);
    box-shadow: 0 14px 32px rgba(23, 43, 52, 0.18);
}

.language-menu[hidden] {
    display: none;
}

.language-menu-heading {
    display: block;
    padding: 10px 12px 12px;
    color: #7a8b92;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.language-menu a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 11px 12px;
    color: #24363e;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.language-menu a:hover,
.language-menu a:focus-visible {
    color: #0055a4;
    background: #f2f7f9;
}

.language-menu a.active {
    color: #0055a4;
    background: #e5f1f5;
    border-left-color: var(--red);
}

.language-menu a small {
    color: #81939a;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

@media (max-width: 720px) {
    .nav-tools {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .language-switcher,
    .language-toggle {
        width: 100%;
    }

    .language-menu {
        position: static;
        width: 100%;
        margin-top: 8px;
        grid-column: 1 / -1;
    }
}
.red-heading-word {
    color: var(--red);
}
.example-card h3 {
    font-family: inherit;
    font-weight: 600;
}

/* Tubular heater families and hotflex stock selector */
.tubular-family-section {
    background: #fff;
}

.tubular-family-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 42px;
    border-top: 4px solid var(--red);
    border-left: 1px solid #cfd6d9;
}

.tubular-family-card {
    position: relative;
    min-height: 430px;
    padding: 46px 42px 40px;
    background: #fff;
    border-right: 1px solid #cfd6d9;
    border-bottom: 1px solid #cfd6d9;
}

.tubular-family-card--hotflex {
    background: var(--blue-soft);
}

.tubular-family-number {
    position: absolute;
    top: 28px;
    right: 32px;
    color: rgba(0, 85, 164, 0.18);
    font-size: 56px;
    font-weight: 300;
    line-height: 1;
}

.tubular-family-card h3 {
    max-width: 480px;
    margin: 18px 0;
    color: var(--ink);
    font-size: clamp(34px, 4vw, 54px);
    font-weight: 300;
    line-height: 0.98;
}

.tubular-family-card > p:not(.section-kicker) {
    max-width: 550px;
    color: #566369;
    line-height: 1.7;
}

.tubular-family-card ul {
    margin: 26px 0 32px;
    padding: 0;
    list-style: none;
}

.tubular-family-card li {
    position: relative;
    padding: 9px 0 9px 22px;
    color: #34474d;
    border-bottom: 1px solid rgba(90, 110, 119, 0.2);
}

.tubular-family-card li::before {
    position: absolute;
    top: 17px;
    left: 0;
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
    content: "";
}

.hotflex-section {
    padding: 92px 0;
    background: #f1f3f3;
}

.hotflex-intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
    gap: 80px;
    align-items: start;
}

.hotflex-intro-grid h2 {
    margin: 16px 0 0;
    color: var(--ink);
    font-size: clamp(44px, 6vw, 76px);
    font-weight: 300;
    line-height: 0.96;
}

.hotflex-intro-copy {
    padding-left: 42px;
    border-left: 1px solid #cbd3d6;
}

.hotflex-intro-copy p {
    color: #566369;
    line-height: 1.75;
}

.hotflex-intro-copy .product-lead {
    color: var(--ink);
}

.hotflex-spec-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 58px 0 88px;
    border-top: 3px solid var(--red);
    border-left: 1px solid #cbd3d6;
}

.hotflex-spec-grid > div {
    min-height: 128px;
    padding: 28px 24px;
    background: #fff;
    border-right: 1px solid #cbd3d6;
    border-bottom: 1px solid #cbd3d6;
}

.hotflex-spec-grid span,
.hotflex-spec-grid strong {
    display: block;
}

.hotflex-spec-grid span {
    min-height: 32px;
    color: #66747a;
    font-size: 11px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.hotflex-spec-grid strong {
    margin-top: 12px;
    color: var(--blue);
    font-size: 24px;
    font-weight: 500;
}

.hotflex-range-heading {
    margin-bottom: 38px;
}

.hotflex-diameter-selector {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 4px solid var(--red);
    border-left: 1px solid #cbd3d6;
}

.hotflex-diameter-option {
    position: relative;
    min-height: 190px;
    padding: 38px 32px 30px;
    color: var(--ink);
    background: #fff;
    border: 0;
    border-right: 1px solid #cbd3d6;
    border-bottom: 1px solid #cbd3d6;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.hotflex-diameter-option:hover,
.hotflex-diameter-option:focus-visible {
    background: #f7fafb;
    outline: 0;
}

.hotflex-diameter-option[aria-selected="true"] {
    background: var(--blue-soft);
    box-shadow: inset 0 -4px 0 var(--blue);
}

.hotflex-diameter-option strong,
.hotflex-diameter-option small,
.hotflex-diameter-option b {
    display: block;
}

.hotflex-diameter-option strong {
    margin: 34px 0 8px;
    color: var(--blue);
    font-size: 30px;
    font-weight: 500;
}

.hotflex-diameter-option small {
    color: #66747a;
    font-size: 12px;
}

.hotflex-diameter-option b {
    margin-top: 22px;
    color: var(--red);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hotflex-stock-display {
    margin-top: 28px;
}

.hotflex-stock-panel[hidden],
.hotflex-stock-row[hidden] {
    display: none;
}

.hotflex-stock-panel {
    background: #fff;
    border-top: 3px solid var(--red);
    border-right: 1px solid #cfd6d9;
    border-bottom: 1px solid #cfd6d9;
    border-left: 1px solid #cfd6d9;
}

.hotflex-stock-panel > header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: end;
    padding: 34px 36px;
}

.hotflex-stock-panel > header h3 {
    margin: 8px 0 0;
    color: var(--ink);
    font-size: clamp(36px, 4.5vw, 52px);
    font-weight: 300;
}

.hotflex-stock-panel dl {
    margin: 0;
}

.hotflex-stock-panel dl div {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 8px 0;
    border-bottom: 1px solid #d6dddf;
}

.hotflex-stock-panel dt,
.hotflex-stock-panel dd {
    margin: 0;
    font-size: 12px;
}

.hotflex-stock-panel dt {
    color: #68757a;
}

.hotflex-stock-panel dd {
    color: var(--ink);
    font-weight: 600;
}

.hotflex-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 18px 20px;
    color: #536166;
    background: #f1f3f3;
    border-top: 1px solid #d5dcde;
    border-bottom: 1px solid #d5dcde;
}

.hotflex-filter-bar > span {
    margin-right: 4px;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hotflex-filter-bar button,
.hotflex-filter-bar input {
    min-height: 38px;
    font: inherit;
    font-size: 12px;
    border: 1px solid #bfc9cd;
}

.hotflex-filter-bar button {
    padding: 0 15px;
    color: #354244;
    background: #fff;
    cursor: pointer;
}

.hotflex-filter-bar button:hover,
.hotflex-filter-bar button:focus-visible {
    color: var(--blue);
    border-color: var(--blue);
    outline: 0;
}

.hotflex-filter-bar button.active {
    color: var(--blue);
    background: var(--blue-soft);
    border-color: #8eb5c7;
    box-shadow: inset 0 -2px 0 var(--blue);
}

.hotflex-filter-bar label {
    margin-left: auto;
}

.hotflex-filter-bar input {
    width: 210px;
    padding: 0 12px;
    color: var(--ink);
    background: #fff;
}

.hotflex-result-count {
    min-width: 102px;
    color: #68757a;
    font-size: 10px;
    text-align: right;
}

.hotflex-stock-table {
    border-left: 0;
}

.hotflex-stock-table-head,
.hotflex-stock-row {
    display: grid;
    grid-template-columns: 0.72fr 0.72fr 0.65fr 1.05fr 1.55fr 1.15fr;
}

.hotflex-stock-table-head {
    color: #536166;
    background: #e8edef;
    border-bottom: 1px solid #c8d1d4;
}

.hotflex-stock-table-head span {
    padding: 12px 15px;
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-right: 1px solid #c8d1d4;
}

.hotflex-stock-row > span {
    display: flex;
    gap: 5px;
    align-items: baseline;
    min-width: 0;
    padding: 14px 15px;
    background: #fff;
    border-right: 1px solid #d6dcde;
    border-bottom: 1px solid #d6dcde;
}

.hotflex-stock-row:nth-child(odd) > span {
    background: #fafbfb;
}

.hotflex-stock-row > span > strong {
    color: var(--ink);
    font-size: 13px;
}

.hotflex-stock-row > span > small {
    color: #6b7579;
    font-size: 10px;
}

.hotflex-availability {
    display: inline-flex;
    align-items: center;
    min-height: 25px;
    padding: 4px 9px;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hotflex-availability--uk {
    color: var(--blue);
    background: var(--blue-soft);
    border-left: 2px solid var(--blue);
}

.hotflex-availability--germany {
    color: #556267;
    background: #eceff0;
    border-left: 2px solid #9ba7ab;
}

.hotflex-enquire-link {
    color: var(--red);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hotflex-enquire-link:hover,
.hotflex-enquire-link:focus-visible {
    color: var(--blue);
}

.hotflex-no-results {
    margin: 0;
    padding: 28px;
    color: #5c686d;
    background: #fff;
    border: 1px solid #cfd6d9;
    border-top: 0;
}

.hotflex-options-callout {
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    gap: 64px;
    margin-top: 52px;
    padding: 38px 42px;
    background: var(--blue-soft);
    border-left: 4px solid var(--red);
}

.hotflex-options-callout h3 {
    margin: 10px 0 0;
    color: var(--ink);
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 300;
    line-height: 1;
}

.hotflex-options-callout p {
    margin-top: 0;
    color: #566369;
    line-height: 1.7;
}

@media (max-width: 900px) {
    .hotflex-intro-grid,
    .hotflex-options-callout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hotflex-intro-copy {
        padding-left: 0;
        border-left: 0;
    }

    .hotflex-spec-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hotflex-stock-panel > header {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .hotflex-stock-table-head {
        display: none;
    }

    .hotflex-stock-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hotflex-stock-row > span {
        display: block;
    }

    .hotflex-stock-row > span::before {
        display: block;
        margin-bottom: 6px;
        color: #7a8387;
        font-size: 9px;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        content: attr(data-label);
    }
}

@media (max-width: 700px) {
    .tubular-family-grid,
    .hotflex-diameter-selector {
        grid-template-columns: 1fr;
    }

    .tubular-family-card {
        min-height: 0;
        padding: 38px 26px 32px;
    }

    .hotflex-section {
        padding: 64px 0;
    }

    .hotflex-filter-bar {
        align-items: stretch;
    }

    .hotflex-filter-bar > span {
        width: 100%;
    }

    .hotflex-filter-bar label {
        width: 100%;
        margin-left: 0;
    }

    .hotflex-filter-bar input {
        width: 100%;
    }

    .hotflex-result-count {
        width: 100%;
        text-align: left;
    }

    .hotflex-options-callout {
        padding: 30px 25px;
    }
}

@media (max-width: 520px) {
    .hotflex-spec-grid,
    .hotflex-stock-row {
        grid-template-columns: 1fr;
    }

    .hotflex-stock-panel > header {
        padding: 28px 22px;
    }
}

.footer-cookie-settings {
    padding: 0;
    color: inherit;
    font: inherit;
    background: none;
    border: 0;
    cursor: pointer;
    text-decoration: underline;
}

.footer-cookie-settings:hover,
.footer-cookie-settings:focus-visible {
    color: #fff;
}

/* Cookie notice */
.cookie-notice {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1000;
    width: min(560px, calc(100% - 48px));
    color: #24363e;
    background: #fff;
    border-top: 4px solid var(--red);
    box-shadow: 0 16px 44px rgba(19, 42, 52, 0.24);
}

.cookie-notice[hidden] {
    display: none;
}

.cookie-notice__content {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 24px 26px;
}

.cookie-notice strong {
    color: #064a69;
    font-size: 17px;
}

.cookie-notice p {
    margin: 7px 0 0;
    font-size: 13px;
    line-height: 1.6;
}

.cookie-notice__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    min-width: 180px;
    text-align: center;
}

.cookie-notice__accept,
.cookie-notice__reject {
    min-height: 42px;
    padding: 0 18px;
    cursor: pointer;
}

.cookie-notice__accept {
    color: #fff;
    background: var(--red);
    border: 1px solid var(--red);
}

.cookie-notice__reject {
    color: #24363e;
    background: #fff;
    border: 1px solid #8b999f;
}

.cookie-notice__actions a {
    color: #0055a4;
    font-size: 12px;
    text-decoration: underline;
}

/* Policy page */
.policy-hero {
    padding: 88px 0 76px;
    color: #fff;
    background: #064a69;
    border-top: 4px solid var(--red);
}

.policy-hero .breadcrumbs {
    margin-bottom: 54px;
    color: rgba(255, 255, 255, 0.72);
}

.policy-hero .breadcrumbs a {
    color: inherit;
}

.policy-hero .section-kicker {
    color: #ff4449;
}

.policy-hero h1 {
    max-width: 850px;
    margin: 16px 0 22px;
    font-size: clamp(58px, 8vw, 104px);
    font-weight: 400;
    line-height: 0.88;
    letter-spacing: -0.02em;
}

.policy-hero p:last-child {
    max-width: 760px;
    margin: 0;
    font-size: 18px;
    line-height: 1.75;
}

.policy-layout {
    display: grid;
    grid-template-columns: minmax(210px, 280px) minmax(0, 820px);
    gap: 80px;
    align-items: start;
    padding-top: 80px;
    padding-bottom: 100px;
}

.policy-nav {
    position: sticky;
    top: 130px;
    padding: 26px;
    background: #eaf4f7;
    border-top: 4px solid var(--red);
}

.policy-nav strong,
.policy-nav a {
    display: block;
}

.policy-nav strong {
    margin-bottom: 14px;
    color: #064a69;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.policy-nav a {
    padding: 8px 0;
    color: #34474d;
    font-size: 13px;
    line-height: 1.35;
}

.policy-content section {
    scroll-margin-top: 130px;
    padding: 0 0 42px;
    margin: 0 0 42px;
    border-bottom: 1px solid #cbdce2;
}

.policy-content section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.policy-content h2 {
    margin: 0 0 20px;
    color: #063f59;
    font-size: clamp(31px, 4vw, 43px);
    font-weight: 400;
    line-height: 1;
    text-transform: uppercase;
}

.policy-content p,
.policy-content li {
    color: #34474d;
    font-size: 15px;
    line-height: 1.75;
}

.policy-content a {
    color: #00638d;
    text-decoration: underline;
}

.policy-summary {
    padding: 25px 28px;
    background: #eaf4f7;
    border-left: 4px solid var(--red);
}

.policy-table-wrap {
    margin: 26px 0;
    overflow-x: auto;
    border: 1px solid #cbdce2;
}

.policy-table {
    width: 100%;
    min-width: 650px;
    border-collapse: collapse;
    font-size: 13px;
    line-height: 1.55;
}

.policy-table th,
.policy-table td {
    padding: 18px;
    vertical-align: top;
    text-align: left;
    border-right: 1px solid #cbdce2;
    border-bottom: 1px solid #cbdce2;
}

.policy-table th:last-child,
.policy-table td:last-child {
    border-right: 0;
}

.policy-table tr:last-child td {
    border-bottom: 0;
}

.policy-table th {
    color: #fff;
    background: #064a69;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

@media (max-width: 860px) {
    .policy-layout {
        grid-template-columns: 1fr;
        gap: 38px;
        padding-top: 55px;
    }

    .policy-nav {
        position: static;
        columns: 2;
    }

    .policy-nav strong {
        column-span: all;
    }
}

@media (max-width: 620px) {
    .cookie-notice {
        right: 12px;
        bottom: 12px;
        width: calc(100% - 24px);
    }

    .cookie-notice__content {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 21px;
    }

    .cookie-notice__actions {
        flex-direction: column;
        align-items: stretch;
        min-width: 0;
    }

    .cookie-notice__actions > * {
        flex: 1;
    }

    .policy-hero {
        padding: 60px 0;
    }

    .policy-nav {
        columns: 1;
    }
}

/* Product gallery visual refinement */
@media (min-width: 901px) {
    .product-hero-grid--gallery {
        grid-template-columns: minmax(0, .68fr) minmax(650px, 1.32fr);
        gap: 70px;
    }
}

.product-gallery {
    overflow: visible;
    border-top: 0;
    background: transparent;
    box-shadow: none;
}

.product-gallery-viewer {
    position: relative;
}

.product-gallery-frame {
    min-width: 0;
    border-top: 5px solid var(--red);
    background: #fff;
    box-shadow: 0 25px 60px rgba(0, 0, 0, .22);
}

.product-gallery-stage {
    background: #f7f8f8;
}

.product-gallery-open {
    position: relative;
    overflow: hidden;
}

.product-hero-image .product-gallery-slide,
.product-hero-image .product-gallery-slide.is-active {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    object-fit: cover;
    transform: none;
    transition:
        opacity 1.4s ease-in-out,
        visibility 0s linear 1.4s;
    animation: none;
}

.product-hero-image .product-gallery-slide.is-active {
    z-index: 1;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition:
        opacity 1.4s ease-in-out,
        visibility 0s;
}

.product-gallery-control,
.product-gallery-lightbox-control {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(0, 60, 104, .16);
    border-radius: 50%;
    color: #004f91;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 5px 18px rgba(18, 46, 58, .16);
    backdrop-filter: blur(4px);
}

.product-gallery-viewer > .product-gallery-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.product-gallery-viewer > .product-gallery-control--previous {
    left: -56px;
}

.product-gallery-viewer > .product-gallery-control--next {
    right: -56px;
}

.product-gallery-control--previous,
.product-gallery-lightbox-control--previous {
    left: 18px;
}

.product-gallery-control--next,
.product-gallery-lightbox-control--next {
    right: 18px;
}

.product-gallery-control span,
.product-gallery-lightbox-control span {
    margin-top: -3px;
    font-size: 31px;
}

.product-gallery-control:hover,
.product-gallery-control:focus-visible,
.product-gallery-lightbox-control:hover,
.product-gallery-lightbox-control:focus-visible {
    color: #fff;
    border-color: #f51b35;
    background: #f51b35;
}

.product-gallery-enlarge {
    display: none;
}

.product-gallery-frame > figcaption {
    min-height: 42px;
    box-sizing: border-box;
    padding: 14px 18px;
}

.product-gallery-lightbox-control {
    border-color: rgba(255, 255, 255, .2);
    color: #fff;
    background: rgba(0, 38, 67, .72);
}

@media (max-width: 1100px) and (min-width: 901px) {
    .product-hero-grid--gallery {
        grid-template-columns: minmax(0, .76fr) minmax(560px, 1.24fr);
        gap: 60px;
    }
}

@media (max-width: 900px) {
    .product-gallery {
        padding-inline: 50px;
    }

    .product-gallery-viewer > .product-gallery-control--previous {
        left: -48px;
    }

    .product-gallery-viewer > .product-gallery-control--next {
        right: -48px;
    }
}

@media (max-width: 650px) {
    .product-gallery {
        padding-inline: 40px;
    }

    .product-gallery-control {
        width: 34px;
        height: 34px;
    }

    .product-gallery-viewer > .product-gallery-control--previous {
        left: -38px;
    }

    .product-gallery-viewer > .product-gallery-control--next {
        right: -38px;
    }
}
/* Coil heater overview heading */
.coil-overview-title span {
    display: block;
    white-space: nowrap;
}

.coil-overview-title em {
    color: var(--red);
    font-style: normal;
}

/* Stage 20 multilingual visual QA: reserve equal label height so translated
   coil-calculator labels do not move one input lower than the other. */
.coil-input-grid > label {
    display: flex;
    flex-direction: column;
}

.coil-input-grid > label > span:first-child {
    min-height: 42px;
}

@media(max-width:720px) {
    .coil-input-grid > label > span:first-child {
        min-height: 0;
    }
}

/* Cartridge specification builder — configurator-style layout */
.cartridge-guide-page .spec-builder-section {
    margin-bottom: 90px !important;
    padding-top: 48px !important;
    padding-bottom: 48px !important;
}

.cartridge-guide-page .spec-builder-heading {
    max-width: 760px;
    margin-bottom: 30px;
}

.cartridge-guide-page .spec-builder-heading h2 {
    margin: 0;
    color: #24363e;
    font-family: "Barlow Condensed", Arial, sans-serif;
    font-size: clamp(42px, 4.8vw, 62px);
    font-weight: 600;
    line-height: 1;
}

.cartridge-guide-page .spec-builder-heading > p:last-child {
    max-width: 680px;
    margin: 16px 0 0;
    color: #65777f;
    line-height: 1.65;
}

.cartridge-guide-page .spec-builder-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 28px;
    align-items: start;
}

.cartridge-guide-page .spec-builder-card {
    padding: 30px;
    background: #fff;
    border-top: 5px solid var(--red);
    box-shadow: 0 14px 34px rgba(7, 63, 90, .07);
}

.cartridge-guide-page .spec-builder-fields {
    gap: 12px;
}

.cartridge-guide-page .spec-field {
    position: relative;
    display: block;
    min-height: 104px;
    padding: 16px 16px 14px 66px;
    background: #f7fafb;
    border: 1px solid #cbd8de;
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.cartridge-guide-page .spec-field:hover {
    border-color: #7ea6b7;
    transform: translateY(-1px);
}

.cartridge-guide-page .spec-field:focus-within {
    border-color: var(--red);
    box-shadow: inset 4px 0 0 var(--red);
}

.cartridge-guide-page .spec-field::before {
    content: attr(data-symbol);
    position: absolute;
    left: 13px;
    top: 18px;
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    color: #075c8f;
    background: #e5f1f5;
    font-family: "Barlow Condensed", Arial, sans-serif;
    font-size: 18px;
    font-weight: 700;
}

.cartridge-guide-page .spec-field-label {
    display: block;
    margin-bottom: 8px;
    color: #24363e;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .04em;
}

.cartridge-guide-page .spec-control {
    position: relative;
    display: block;
}

.cartridge-guide-page .spec-builder input,
.cartridge-guide-page .spec-builder select,
.cartridge-guide-page .spec-builder textarea {
    width: 100%;
    margin: 0;
    color: #24363e;
    background: #fff;
    border: 1px solid #b9cbd3;
    border-radius: 0;
    font: inherit;
    outline: 0;
    transition: border-color .18s ease, box-shadow .18s ease;
}

.cartridge-guide-page .spec-builder input,
.cartridge-guide-page .spec-builder select {
    min-height: 42px;
    padding: 10px 46px 10px 12px;
}

.cartridge-guide-page .spec-builder select {
    padding: 10px 26px 10px 10px;
    font-size: 13px;
    white-space: nowrap;
}

.cartridge-guide-page .spec-builder input:focus,
.cartridge-guide-page .spec-builder select:focus,
.cartridge-guide-page .spec-builder textarea:focus {
    border-color: #5d93aa;
    box-shadow: 0 0 0 3px rgba(7, 92, 143, .08);
}

.cartridge-guide-page .spec-unit {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #6b7f88;
    font-size: 11px;
    pointer-events: none;
}

.cartridge-guide-page .spec-builder-notes {
    margin-top: 16px;
    padding: 18px;
    background: #f7fafb;
    border: 1px solid #cbd8de;
}

.cartridge-guide-page .spec-builder-notes textarea {
    min-height: 128px;
    padding: 13px 14px;
    resize: vertical;
    line-height: 1.55;
}

.cartridge-guide-page .spec-builder-submit {
    width: 100%;
    margin-top: 16px;
    min-height: 50px;
    border: 0;
    justify-content: space-between;
}

.cartridge-guide-page .spec-builder-summary {
    position: sticky;
    top: 28px;
    min-height: 360px;
    padding: 30px 28px;
    color: #fff;
    background: #064f72;
    border-top: 5px solid var(--red);
}

.cartridge-guide-page .spec-builder-summary .section-kicker {
    color: #86c5de;
}

.cartridge-guide-page .spec-builder-summary h3 {
    margin: 10px 0 0;
    color: #fff;
    font-family: "Barlow Condensed", Arial, sans-serif;
    font-size: 36px;
    font-weight: 600;
    line-height: 1;
    text-transform: uppercase;
}

.cartridge-guide-page .spec-summary-intro {
    margin: 22px 0 0;
    padding-top: 20px;
    color: #c9dce4;
    border-top: 1px solid rgba(255,255,255,.2);
    font-size: 12px;
    line-height: 1.65;
}

.cartridge-guide-page .spec-output {
    margin-top: 24px;
    padding: 22px 0 0;
    background: transparent;
    border-top: 1px solid rgba(255,255,255,.2);
}

.cartridge-guide-page .spec-output > span {
    color: #9fc8d9;
}

.cartridge-guide-page .spec-output pre {
    max-height: 360px;
    overflow: auto;
    margin: 14px 0 18px;
    padding: 15px;
    color: #fff;
    background: rgba(255,255,255,.07);
    border-left: 3px solid rgba(255,255,255,.22);
    font: 500 12px/1.7 Inter, Arial, sans-serif;
}

.cartridge-guide-page .copy-spec {
    width: 100%;
    min-height: 42px;
    border-color: rgba(255,255,255,.45);
}

.cartridge-guide-page .spec-output small {
    display: block;
    margin: 10px 0 0;
}

@media (max-width: 1050px) {
    .cartridge-guide-page .spec-builder-layout {
        grid-template-columns: 1fr;
    }

    .cartridge-guide-page .spec-builder-summary {
        position: static;
        min-height: 0;
    }
}

@media (max-width: 720px) {
    .cartridge-guide-page .spec-builder-card {
        padding: 20px;
    }

    .cartridge-guide-page .spec-field {
        min-height: 0;
        padding: 14px 14px 14px 62px;
    }

    .cartridge-guide-page .spec-field::before {
        left: 12px;
        top: 14px;
        width: 38px;
        height: 38px;
    }

    .cartridge-guide-page .spec-builder-summary {
        padding: 26px 22px;
    }
}

/* Cartridge specification builder — hidden engineering feasibility status */
.cartridge-guide-page .spec-feasibility {
    margin-top: 22px;
    padding: 18px 0 2px;
    border-top: 1px solid rgba(255,255,255,.2);
}
.cartridge-guide-page .spec-feasibility > span {
    display: block;
    margin-bottom: 10px;
    color: #9fc8d9;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.cartridge-guide-page .spec-feasibility strong {
    display: block;
    padding-left: 16px;
    color: #fff;
    font-family: "Barlow Condensed", Arial, sans-serif;
    font-size: 22px;
    line-height: 1.15;
    border-left: 3px solid rgba(255,255,255,.3);
}
.cartridge-guide-page .spec-feasibility p {
    margin: 9px 0 0 19px;
    color: #c9dce4;
    font-size: 12px;
    line-height: 1.6;
}
.cartridge-guide-page .spec-feasibility[data-state="standard"] strong {
    border-left-color: #7ed0a1;
}
.cartridge-guide-page .spec-feasibility[data-state="review"] strong {
    border-left-color: #f3b45b;
}

/* Cartridge engineering check — review reasons and compact selects */
.cartridge-guide-page .spec-feasibility p .spec-review-reasons-label {
    display: block;
    margin-bottom: 7px;
    color: #f0d29a;
    font-weight: 700;
}
.cartridge-guide-page .spec-review-reasons {
    margin: 0;
    padding-left: 18px;
}
.cartridge-guide-page .spec-review-reasons li {
    margin: 4px 0;
    color: #dbe8ed;
}
.cartridge-guide-page .spec-field select {
    text-overflow: ellipsis;
}

/* Cartridge configurator V3 — keep select values readable */
.cartridge-guide-page .spec-field select {
    font-size: 12px;
    padding-left: 8px;
    padding-right: 22px;
}
.cartridge-guide-page .spec-field[data-symbol="P"] select,
.cartridge-guide-page .spec-field[data-symbol="↗"] select {
    font-size: 11.5px;
}


/* Cartridge heater hero configurator CTA */
.button-configurator {
    background: #0057a8;
    border-color: #0057a8;
    color: #fff;
}

.button-configurator:hover {
    background: #004684;
    border-color: #004684;
    color: #fff;
}

/* Cartridge specification summary actions */
.cartridge-guide-page .spec-output-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.cartridge-guide-page .spec-output-actions .copy-spec,
.cartridge-guide-page .spec-output-actions .send-spec {
    width: 100%;
    min-height: 44px;
    padding: 10px 14px;
    font: 600 12px/1.2 Inter, Arial, sans-serif;
    cursor: pointer;
}

.cartridge-guide-page .spec-output-actions .copy-spec {
    color: #fff;
    background: transparent;
    border: 1px solid rgba(255,255,255,.45);
}

.cartridge-guide-page .spec-output-actions .send-spec {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: #fff;
    background: #e4002b;
    border: 1px solid #e4002b;
}

.cartridge-guide-page .spec-output-actions .send-spec:hover {
    background: #c90026;
    border-color: #c90026;
}

@media (max-width: 520px) {
    .cartridge-guide-page .spec-output-actions {
        grid-template-columns: 1fr;
    }
}

/* Cartridge configurator: wider row for the detailed connection construction. */
.cartridge-guide-page .spec-field.spec-field-wide {
    grid-column: 1 / -1;
}

.cartridge-guide-page .spec-field.spec-field-wide select {
    width: 100%;
}


/* Cartridge configurator V6 — cleaner summary and simplified connection options */
.cartridge-guide-page .spec-output pre {
    max-height: none;
    overflow: visible;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.cartridge-guide-page .spec-builder-summary {
    overflow: visible;
}