:root {
    --red: #c82030;
    --red-dark: #991724;
    --red-soft: #fff0f1;
    --ink: #171719;
    --ink-soft: #2b2b2f;
    --muted: #66666d;
    --line: #dedee2;
    --soft: #f5f5f6;
    --white: #fff;
    --radius-sm: 14px;
    --radius: 24px;
    --radius-lg: 36px;
    --shadow: 0 22px 60px rgba(24, 24, 27, .10);
    --container: 1200px;
    --header-height: 90px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; }
h1 { max-width: 850px; margin-bottom: 24px; font-size: clamp(2.55rem, 5vw, 5.25rem); }
h2 { margin-bottom: 20px; font-size: clamp(2rem, 3.4vw, 3.4rem); }
h3 { margin-bottom: 12px; font-size: 1.35rem; }
p { color: var(--muted); }
[hidden] { display: none !important; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: clamp(76px, 9vw, 130px) 0; }
.section--soft { background: var(--soft); }
.section--image { background: linear-gradient(135deg, #fff 0%, #fafafa 58%, var(--red-soft) 100%); }
.section--dark { color: var(--white); background: var(--ink); }
.section--dark p { color: #c9c9ce; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 44px; }
.section-heading > div { max-width: 720px; }
.section-heading > p { max-width: 460px; margin-bottom: 8px; }
.section-heading h2 { margin-bottom: 0; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--red);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .13em;
    line-height: 1.3;
    text-transform: uppercase;
}
.eyebrow::before { width: 28px; height: 2px; content: ""; background: currentColor; }
.tag {
    position: absolute;
    z-index: 2;
    top: 18px;
    left: 18px;
    padding: 7px 12px;
    border-radius: 999px;
    color: var(--white);
    background: var(--red);
    font-size: .74rem;
    font-weight: 800;
    letter-spacing: .045em;
    text-transform: uppercase;
}
.sr-only {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    margin: -1px;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}
.skip-link {
    position: fixed;
    z-index: 1000;
    top: 10px;
    left: 10px;
    padding: 12px 18px;
    transform: translateY(-150%);
    border-radius: 10px;
    color: #fff;
    background: var(--ink);
}
.skip-link:focus { transform: none; }

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 13px 22px;
    border: 1px solid var(--red);
    border-radius: 14px;
    color: var(--white);
    background: var(--red);
    box-shadow: 0 10px 22px rgba(200, 32, 48, .18);
    font-size: .94rem;
    font-weight: 800;
    line-height: 1.25;
    text-decoration: none;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); border-color: var(--red-dark); background: var(--red-dark); box-shadow: 0 14px 30px rgba(153, 23, 36, .25); }
.button:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(200, 32, 48, .35); outline-offset: 3px; }
.button--small { min-height: 44px; padding: 10px 17px; border-radius: 12px; }
.button--ghost { color: var(--ink); border-color: var(--line); background: rgba(255, 255, 255, .76); box-shadow: none; }
.button--ghost:hover { color: var(--red); border-color: var(--red); background: var(--white); }
.button--outline { color: var(--red); background: var(--white); box-shadow: none; }
.button--light { color: var(--red); border-color: var(--white); background: var(--white); box-shadow: none; }
.button--light:hover { color: var(--white); border-color: var(--red); background: var(--red); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.text-link { color: var(--red); font-weight: 800; text-decoration: none; }
.text-link span { display: inline-block; margin-left: 4px; transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

.topbar { color: #eeeef1; background: var(--ink); font-size: .78rem; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 35px; gap: 20px; }
.topbar a { color: var(--white); font-weight: 700; text-decoration: none; }
.site-header {
    position: sticky;
    z-index: 50;
    top: 0;
    border-bottom: 1px solid rgba(222, 222, 226, .8);
    background: rgba(255, 255, 255, .93);
    backdrop-filter: blur(15px);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-height); gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex: 0 0 auto; color: var(--ink); text-decoration: none; }
.brand img { width: 72px; height: 50px; object-fit: contain; }
.brand span { display: grid; line-height: 1.12; }
.brand strong { font-size: .9rem; letter-spacing: .055em; }
.brand small { color: var(--red); font-size: .72rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.main-nav { display: flex; align-items: center; gap: clamp(12px, 2vw, 28px); }
.main-nav > a:not(.button) { position: relative; padding: 31px 0 27px; font-size: .88rem; font-weight: 750; text-decoration: none; }
.main-nav > a:not(.button)::after { position: absolute; right: 0; bottom: 22px; left: 0; height: 2px; transform: scaleX(0); content: ""; background: var(--red); transition: transform .2s ease; }
.main-nav > a:not(.button):hover, .main-nav > a.is-active { color: var(--red); }
.main-nav > a:not(.button):hover::after, .main-nav > a.is-active::after { transform: scaleX(1); }
.nav-toggle { display: none; width: 48px; height: 44px; padding: 11px; border: 0; border-radius: 12px; background: var(--soft); }
.nav-toggle span:not(.sr-only) { display: block; width: 100%; height: 2px; margin: 5px 0; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }

.hero-slider { position: relative; overflow: hidden; background: linear-gradient(135deg, #fff 0%, #fff 53%, #f1f1f3 100%); }
.slider-track { position: relative; min-height: min(720px, calc(100vh - 125px)); }
.hero-slide { position: absolute; inset: 0; display: grid; align-items: center; visibility: hidden; opacity: 0; transition: opacity .55s ease, visibility .55s ease; }
.hero-slide.is-active { position: relative; visibility: visible; opacity: 1; }
.hero-slide__grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(380px, .98fr); align-items: center; gap: clamp(40px, 7vw, 100px); padding-top: 70px; padding-bottom: 100px; }
.hero-slide__content { position: relative; z-index: 2; }
.hero-slide__content h1, .hero-slide__content h2 { max-width: 700px; }
.hero-slide__content p { max-width: 680px; font-size: clamp(1.02rem, 1.4vw, 1.22rem); }
.hero-slide__image { position: relative; display: block; overflow: hidden; aspect-ratio: 1 / .82; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.hero-slide__image::before { position: absolute; z-index: 1; inset: 0; content: ""; background: linear-gradient(to top, rgba(15, 15, 17, .16), transparent 35%); pointer-events: none; }
.hero-slide__image img { width: 100%; height: 100%; object-fit: contain; padding: clamp(12px, 2vw, 30px); transition: transform .6s ease; }
.hero-slide__image:hover img { transform: scale(1.025); }
.image-label { position: absolute; z-index: 2; right: 22px; bottom: 22px; padding: 9px 14px; border-radius: 999px; color: var(--white); background: rgba(23, 23, 25, .85); font-size: .82rem; font-weight: 750; }
.slider-controls { position: absolute; z-index: 5; right: 0; bottom: 30px; left: 0; display: flex; align-items: center; justify-content: center; gap: 18px; pointer-events: none; }
.slider-arrow { display: grid; width: 43px; height: 43px; padding: 0; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: rgba(255,255,255,.9); cursor: pointer; pointer-events: auto; }
.slider-arrow:hover { color: var(--white); border-color: var(--red); background: var(--red); }
.slider-dots { display: flex; gap: 8px; padding: 10px 12px; border-radius: 999px; background: rgba(255,255,255,.88); pointer-events: auto; }
.slider-dots button { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 999px; background: #b8b8bd; cursor: pointer; transition: width .2s ease, background .2s ease; }
.slider-dots button.is-active { width: 27px; background: var(--red); }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid div { display: grid; padding: 28px clamp(18px, 3vw, 36px); border-right: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { padding-right: 0; border-right: 0; }
.trust-grid strong { margin-bottom: 3px; font-size: .94rem; }
.trust-grid span { color: var(--muted); font-size: .78rem; line-height: 1.45; }

.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.category-card { position: relative; overflow: hidden; min-height: 330px; border-radius: var(--radius); color: var(--white); background: var(--ink); box-shadow: 0 15px 38px rgba(20,20,22,.12); text-decoration: none; }
.category-card--wide { grid-row: span 2; min-height: 682px; }
.category-card::after { position: absolute; inset: 0; content: ""; background: linear-gradient(to top, rgba(15,15,17,.88), rgba(15,15,17,.02) 70%); }
.category-card img { width: 100%; height: 100%; object-fit: contain; background: var(--white); transition: transform .55s ease; }
.category-card:hover img { transform: scale(1.035); }
.category-card__content { position: absolute; z-index: 2; right: 28px; bottom: 27px; left: 28px; display: grid; }
.category-card__content small { margin-bottom: 6px; color: #f1b4ba; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.category-card__content strong { font-size: clamp(1.65rem, 3vw, 2.7rem); line-height: 1.1; }
.category-card__content > span { color: #dedee3; }

.split-feature { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: clamp(48px, 8vw, 110px); }
.split-feature--reverse { grid-template-columns: minmax(360px, .92fr) minmax(0, 1.08fr); }
.split-feature--reverse .split-feature__image { order: 2; }
.split-feature__image { position: relative; overflow: visible; }
.split-feature__image > img { width: 100%; aspect-ratio: 1.12 / .82; padding: clamp(10px, 2vw, 25px); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); object-fit: contain; }
.split-feature__content p { max-width: 630px; }
.floating-note { position: absolute; right: -26px; bottom: -22px; display: grid; max-width: 250px; padding: 18px 22px; border-radius: var(--radius-sm); color: #dedee3; background: var(--ink); box-shadow: var(--shadow); font-size: .86rem; }
.floating-note strong { color: var(--white); }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card__image { position: relative; display: block; overflow: hidden; aspect-ratio: 4 / 3; border-bottom: 1px solid var(--line); background: #fff; }
.product-card__image img { width: 100%; height: 100%; padding: 18px; object-fit: contain; transition: transform .35s ease; }
.product-card:hover .product-card__image img { transform: scale(1.03); }
.product-card__body { padding: 26px; }
.product-card__body p { min-height: 82px; font-size: .92rem; }
.product-card__body .text-link { font-size: .9rem; }

.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.cta-panel > div { max-width: 760px; }
.cta-panel h2 { margin-bottom: 12px; }
.cta-panel p { margin-bottom: 0; }

.page-hero { position: relative; overflow: hidden; padding: clamp(70px, 9vw, 130px) 0; background: linear-gradient(135deg, #fff 0%, #fff 52%, #f2f2f4 100%); }
.page-hero::after { position: absolute; top: -120px; right: -120px; width: 430px; height: 430px; border: 70px solid rgba(200, 32, 48, .05); border-radius: 50%; content: ""; }
.page-hero__grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .9fr); align-items: center; gap: clamp(48px, 8vw, 110px); }
.page-hero h1 { font-size: clamp(2.6rem, 5vw, 4.7rem); }
.page-hero p { max-width: 720px; font-size: 1.08rem; }
.page-hero__image { overflow: hidden; aspect-ratio: 1.1 / .85; padding: 22px; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.page-hero__image img { width: 100%; height: 100%; object-fit: contain; }
.page-hero__image--round { border-radius: 50%; }
.page-hero--guide .page-hero__image { transform: rotate(-2deg); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; color: var(--muted); font-size: .78rem; }
.breadcrumbs a { color: var(--red); font-weight: 750; text-decoration: none; }

.info-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card { padding: clamp(28px, 4vw, 44px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.info-card .number { display: inline-grid; width: 46px; height: 46px; margin-bottom: 25px; place-items: center; border-radius: 14px; color: var(--red); background: var(--red-soft); font-size: .82rem; font-weight: 850; }
.info-card p { margin-bottom: 0; font-size: .92rem; }
.measure-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); align-items: start; gap: clamp(45px, 8vw, 100px); }
.steps-list { display: grid; gap: 26px; padding: 0; margin: 36px 0 0; list-style: none; }
.steps-list li { display: flex; gap: 20px; }
.steps-list li > span { display: grid; flex: 0 0 44px; width: 44px; height: 44px; place-items: center; border-radius: 50%; color: var(--white); background: var(--red); font-weight: 800; }
.steps-list strong { font-size: 1.06rem; }
.steps-list p { margin: 5px 0 0; font-size: .92rem; }
.measure-note { padding: 34px; border-radius: var(--radius); color: var(--white); background: var(--ink); box-shadow: var(--shadow); }
.measure-note strong { font-size: 1.25rem; }
.measure-note p { color: #c9c9ce; }
.measure-note .text-link { color: #ff7682; }

.comparison-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.comparison-grid article { padding: clamp(30px, 4vw, 48px); border-radius: var(--radius); background: var(--white); box-shadow: 0 12px 34px rgba(20,20,22,.07); }
.comparison-grid article p:last-child { margin-bottom: 0; }
.comparison-icon { display: inline-grid; min-width: 62px; height: 62px; padding: 0 12px; margin-bottom: 24px; place-items: center; border-radius: 18px; color: var(--red); background: var(--red-soft); font-size: 1.25rem; font-weight: 850; }

.range-demo { display: grid; grid-template-columns: minmax(330px, .8fr) minmax(420px, 1.2fr); align-items: center; gap: clamp(50px, 8vw, 110px); }
.range-demo label { display: block; margin: 28px 0 10px; font-weight: 750; }
.range-demo output { color: var(--red); }
.range-demo input[type="range"] { width: 100%; accent-color: var(--red); cursor: pointer; }
.range-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: .78rem; }
.grate-demo { position: relative; display: flex; align-items: center; justify-content: center; min-height: 330px; padding: 24px; overflow: hidden; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow); }
.grate-demo__frame { --grate-height: 176px; --rail-thickness: 8px; display: flex; align-items: stretch; justify-content: center; width: min(100%, 560px); }
.grate-demo__body { position: relative; z-index: 2; display: flex; flex: 0 1 340px; justify-content: space-around; width: min(58%, 340px); min-width: 220px; height: var(--grate-height); border-top: var(--rail-thickness) solid #999da1; border-bottom: var(--rail-thickness) solid #999da1; }
.grate-demo__body::before, .grate-demo__body::after { position: absolute; top: -1px; bottom: -1px; width: 10px; content: ""; background:
    linear-gradient(to right, #7b7e82, #d8dbde, #7b7e82) center top / 10px var(--rail-thickness) no-repeat,
    linear-gradient(to right, #7b7e82, #d8dbde, #7b7e82) center bottom / 10px var(--rail-thickness) no-repeat; opacity: .95; }
.grate-demo__body::before { left: 0; }
.grate-demo__body::after { right: 0; }
.grate-demo__body span { width: 4px; background: linear-gradient(to right, #7e8185, #f4f4f4, #85888d); }
.grate-demo__extension { position: relative; z-index: 1; flex: 0 0 76px; width: 76px; height: var(--grate-height); transition: width .25s ease, flex-basis .25s ease; }
.grate-demo__rod { position: absolute; z-index: 1; width: calc(100% - 24px); height: var(--rail-thickness); border-radius: 999px; background: linear-gradient(to bottom, #7e8185, #d8dbde, #84878c); }
.grate-demo__rod--top { top: 0; }
.grate-demo__rod--bottom { bottom: 0; }
.grate-demo__extension--left .grate-demo__rod { right: 0; }
.grate-demo__extension--right .grate-demo__rod { left: 0; }
.grate-demo__side { position: absolute; top: 0; bottom: 0; width: 26px; border: 7px solid #8e9195; }
.grate-demo__extension--left .grate-demo__side { left: 0; border-right: 0; border-radius: 24px 0 0 24px; }
.grate-demo__extension--right .grate-demo__side { right: 0; border-left: 0; border-radius: 0 24px 24px 0; }

.finder { display: grid; grid-template-columns: .72fr 1fr .82fr; align-items: start; gap: 24px; }
.finder__intro, .finder__form, .finder__result { min-height: 100%; padding: clamp(28px, 3vw, 40px); border-radius: var(--radius); }
.finder__intro { color: var(--white); background: var(--ink); }
.finder__intro p { color: #c9c9ce; }
.finder__form { border: 1px solid var(--line); background: var(--white); }
.finder__form fieldset { padding: 0; border: 0; margin: 0 0 26px; }
.finder__form legend { margin-bottom: 12px; font-weight: 800; }
.choice { display: flex; align-items: flex-start; gap: 11px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; margin: 8px 0; color: var(--muted); cursor: pointer; font-size: .88rem; }
.choice:has(input:checked) { color: var(--ink); border-color: var(--red); background: var(--red-soft); }
.choice input { margin-top: 4px; accent-color: var(--red); }
.finder__result { border: 1px solid #f2bec3; background: var(--red-soft); }
.finder__result-label { display: block; margin-bottom: 22px; color: var(--red); font-size: .72rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }

.timeline { position: relative; display: grid; max-width: 940px; padding: 0; margin: 0 auto; list-style: none; }
.timeline::before { position: absolute; top: 30px; bottom: 30px; left: 29px; width: 2px; content: ""; background: #e4a9af; }
.timeline li { position: relative; display: grid; grid-template-columns: 60px 1fr; gap: 28px; padding-bottom: 38px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li > span { z-index: 2; display: grid; width: 60px; height: 60px; place-items: center; border: 8px solid var(--soft); border-radius: 50%; color: var(--white); background: var(--red); font-weight: 850; }
.timeline h3 { margin-top: 10px; }
.timeline p { margin-bottom: 0; }

.decision-table { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); }
.decision-table__row { display: grid; grid-template-columns: 1.05fr .9fr 1.2fr; }
.decision-table__row > * { padding: 20px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.decision-table__row > *:last-child { border-right: 0; }
.decision-table__row:last-child > * { border-bottom: 0; }
.decision-table__head { color: var(--white); background: var(--ink); font-size: .82rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.decision-table a { color: var(--red); font-weight: 800; }

.faq-layout { display: grid; grid-template-columns: minmax(280px, .65fr) minmax(420px, 1.35fr); align-items: start; gap: clamp(48px, 8vw, 100px); }
.faq { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0; }
.faq-item button { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; border: 0; color: var(--ink); background: transparent; font-weight: 800; text-align: left; cursor: pointer; }
.faq-item button span { display: grid; flex: 0 0 34px; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: var(--red); background: var(--red-soft); font-size: 1.3rem; transition: transform .2s ease; }
.faq-item button[aria-expanded="true"] span { transform: rotate(45deg); }
.faq-answer { padding: 0 50px 23px 0; }
.faq-answer p { margin: 0; }

.site-footer { padding-top: 70px; color: #e7e7ea; background: #101012; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 70px; padding-bottom: 55px; }
.footer-grid h2 { margin-bottom: 18px; font-size: 1rem; letter-spacing: 0; }
.footer-grid ul { padding: 0; margin: 0; list-style: none; }
.footer-grid li + li { margin-top: 8px; }
.footer-grid a { color: #bdbdc4; font-size: .87rem; text-decoration: none; }
.footer-grid a:hover { color: var(--white); }
.footer-brand img { width: 105px; height: auto; padding: 8px; border-radius: 12px; background: var(--white); }
.footer-brand p { max-width: 320px; margin: 20px 0 0; color: #a9a9b1; font-size: .87rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 24px; padding-bottom: 24px; border-top: 1px solid #303035; }
.footer-bottom p { margin: 0; color: #818189; font-size: .74rem; }
.footer-bottom a { color: #dddde1; }

@media (max-width: 1040px) {
    :root { --header-height: 78px; }
    .topbar__inner > span { display: none; }
    .topbar__inner { justify-content: center; }
    .nav-toggle { display: block; }
    .main-nav { position: fixed; top: var(--header-height); right: 0; bottom: 0; left: 0; display: none; align-items: stretch; padding: 24px 20px 40px; background: var(--white); overflow-y: auto; }
    .main-nav.is-open { display: flex; flex-direction: column; }
    .main-nav > a:not(.button) { padding: 15px 8px; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
    .main-nav > a:not(.button)::after { display: none; }
    .nav-open .nav-toggle span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
    .nav-open .nav-toggle span:nth-child(3) { opacity: 0; }
    .nav-open .nav-toggle span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
    .hero-slide__grid, .page-hero__grid { grid-template-columns: 1fr 380px; gap: 35px; }
    .hero-slide__content h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid div:nth-child(2) { border-right: 0; }
    .trust-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .trust-grid div:first-child, .trust-grid div:nth-child(3) { padding-left: 0; }
    .trust-grid div:nth-child(2), .trust-grid div:last-child { padding-right: 0; }
    .finder { grid-template-columns: repeat(2, 1fr); }
    .finder__intro { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    .section-heading, .cta-panel { align-items: flex-start; flex-direction: column; gap: 24px; }
    .hero-slide__grid, .page-hero__grid, .split-feature, .split-feature--reverse, .measure-layout, .range-demo, .faq-layout { grid-template-columns: 1fr; }
    .slider-track { min-height: auto; }
    .hero-slide__grid { padding-top: 55px; padding-bottom: 110px; }
    .hero-slide__image { max-height: 480px; }
    .page-hero__image { max-height: 490px; }
    .split-feature--reverse .split-feature__image { order: initial; }
    .category-grid { grid-template-columns: 1fr; }
    .category-card, .category-card--wide { grid-row: auto; min-height: 390px; }
    .product-grid, .info-card-grid, .comparison-grid { grid-template-columns: 1fr 1fr; }
    .product-card:last-child, .info-card:last-child, .comparison-grid article:last-child { grid-column: 1 / -1; }
    .product-card__body p { min-height: 0; }
    .floating-note { right: 18px; bottom: -22px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 45px; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
    body { font-size: 16px; }
    .container { width: min(calc(100% - 28px), var(--container)); }
    .brand img { width: 58px; }
    .brand strong { font-size: .76rem; }
    .brand small { font-size: .62rem; }
    .hero-slide__grid { gap: 28px; }
    .hero-slide__content h1, .hero-slide__content h2 { font-size: 2.45rem; }
    .button-row, .button-row .button { width: 100%; }
    .trust-grid { grid-template-columns: 1fr; }
    .trust-grid div, .trust-grid div:first-child, .trust-grid div:nth-child(2), .trust-grid div:nth-child(3), .trust-grid div:last-child { padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .trust-grid div:last-child { border-bottom: 0; }
    .category-card, .category-card--wide { min-height: 330px; }
    .product-grid, .info-card-grid, .comparison-grid, .finder { grid-template-columns: 1fr; }
    .product-card:last-child, .info-card:last-child, .comparison-grid article:last-child { grid-column: auto; }
    .finder__intro { grid-column: auto; }
    .range-demo { gap: 35px; }
    .grate-demo { min-height: 260px; padding: 20px; }
    .grate-demo__frame { --grate-height: 145px; }
    .grate-demo__body { min-width: 180px; }
    .grate-demo__extension { min-width: 38px; }
    .grate-demo__side { width: 22px; border-width: 6px; }
    .decision-table { overflow: visible; border: 0; border-radius: 0; }
    .decision-table__head { display: none; }
    .decision-table__row { display: grid; grid-template-columns: 1fr; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; }
    .decision-table__row > * { padding: 5px 0; border: 0; }
    .decision-table__row > *:last-child { color: var(--muted); font-size: .88rem; }
    .timeline li { gap: 16px; }
    .faq-answer { padding-right: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 35px; }
    .footer-brand { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}