:root {
  --blue: #118bc1;
  --blue-dark: #08658f;
  --deep: #0b4861;
  --deep-2: #08394f;
  --ink: #173443;
  --pale: #e6fcff;
  --line: #cfe2e8;
  --orange: #ffb250;
  --green: #00985e;
  --green-dark: #007848;
  --muted: #5e7b89;
  --white: #fff;
  --shadow: 0 18px 48px rgba(9, 43, 67, .13);
}

* { box-sizing: border-box; }
html { overflow-x: hidden; overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 137px; }
body { margin: 0; overflow-x: hidden; overflow-x: clip; color: var(--ink); background: #fff; font-family: Inter, Arial, sans-serif; line-height: 1.5; }
body.lightbox-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; touch-action: manipulation; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 200; padding: 12px 16px; border-radius: 4px; color: #fff; background: var(--deep); }
.skip-link:focus { top: 12px; }



























































.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(126deg, #052f42 0%, #0b4861 54%, #08658f 100%); }
.hero::before { content: ""; position: absolute; right: -235px; top: -220px; width: 730px; height: 730px; border: 1px solid rgba(157,229,245,.18); border-radius: 50%; box-shadow: 0 0 0 58px rgba(8,72,97,.24), 0 0 0 59px rgba(140,221,240,.08); }
.hero-gridlines { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(140,221,240,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(140,221,240,.13) 1px, transparent 1px); background-size: 74px 74px; mask-image: linear-gradient(to right, #000, #000 48%, transparent 84%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .98fr 1.02fr; align-items: center; gap: 52px; min-height: 695px; padding: 58px 0 54px; }
.breadcrumbs { display: flex; gap: 8px; margin-bottom: 23px; color: #8fc5d6; font-size: 11px; }
.breadcrumbs a:hover { color: #fff; }
.eyebrow { margin: 0 0 18px; color: var(--blue-dark); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 28px; height: 2px; margin-right: 9px; vertical-align: middle; background: var(--orange); }
.eyebrow.light { color: #9ce6ff; }
.hero h1 { max-width: 680px; margin: 0 0 24px; color: #fff; font-size: clamp(44px, 4.7vw, 68px); line-height: 1; letter-spacing: -.055em; }
.hero h1 em { color: var(--orange); font-style: normal; }
.lead { max-width: 610px; margin: 0; color: #c5e0e9; font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 0 23px; border: 1px solid transparent; border-radius: 4px; font-size: 13px; font-weight: 800; cursor: pointer; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.btn span { font-size: 18px; }
.btn-accent { color: #173443; background: var(--orange); box-shadow: 0 13px 28px rgba(255,178,80,.16); }
.btn-accent:hover { background: #ffc06c; transform: translateY(-2px); }
.btn-line { color: #fff; border-color: rgba(185,229,241,.45); background: rgba(255,255,255,.03); }
.btn-line:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 40px; }
.hero-facts > div { min-width: 0; padding-left: 14px; border-left: 2px solid rgba(145,219,236,.34); }
.hero-facts strong, .hero-facts span { display: block; }
.hero-facts strong { color: #fff; font-size: 14px; white-space: nowrap; }
.hero-facts span { margin-top: 5px; color: #8ebccc; font-size: 12px; }
.hero-store-link { display: flex; align-items: center; gap: 7px; width: fit-content; margin-top: 21px; color: #c4e0e9; font-size: 13px; }
.hero-store-link > span, .hero-store-link b { color: var(--orange); }
.hero-store-link > span { font-weight: 900; }
.hero-store-link b { margin-left: 3px; font-size: 17px; }
.hero-store-link:hover { color: #fff; }
.hero-visual { position: relative; min-width: 0; padding: 24px 0 100px 25px; }
.hero-photo { position: relative; z-index: 1; overflow: hidden; margin: 0; border: 1px solid rgba(255,255,255,.32); border-radius: 7px; background: #174f65; box-shadow: 0 32px 75px rgba(0,21,34,.38); transform: rotate(1deg); }
.hero-photo img { width: 100%; height: 485px; object-fit: cover; object-position: 55% center; }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(3,33,48,.86), transparent 36%); pointer-events: none; }
.hero-photo figcaption { position: absolute; z-index: 2; left: 24px; right: 130px; bottom: 23px; }
.hero-photo figcaption span, .hero-photo figcaption b { display: block; }
.hero-photo figcaption span { color: #9bdced; font-size: 11px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.hero-photo figcaption b { margin-top: 5px; font-size: 16px; }
.diameter-badge { position: absolute; z-index: 4; right: -20px; top: -5px; display: grid; place-content: center; width: 130px; height: 130px; border: 9px solid #0b4861; border-radius: 50%; color: #163a49; background: var(--orange); box-shadow: 0 18px 34px rgba(0,28,43,.28); text-align: center; transform: rotate(-4deg); }
.diameter-badge small, .diameter-badge strong, .diameter-badge span { display: block; }
.diameter-badge small { font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.diameter-badge strong { margin-top: 2px; font-size: 22px; line-height: 1; }
.diameter-badge span { margin-top: 4px; font-size: 8px; }
.hero-note { position: absolute; z-index: 3; left: -15px; bottom: 5px; display: flex; align-items: center; gap: 13px; width: 225px; padding: 13px 16px; color: #557584; border-radius: 4px; background: #fff; box-shadow: 0 15px 38px rgba(0,28,43,.28); transform: rotate(-2deg); }
.hero-note b { display: grid; place-items: center; flex: 0 0 auto; width: 50px; height: 50px; border: 2px solid var(--green); border-radius: 50%; color: var(--green); font-size: 18px; }
.hero-note span { font-size: 12px; line-height: 1.35; }
.hero-ticker { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 68px; color: #91bdca; border-top: 1px solid rgba(169,226,240,.17); font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.hero-ticker i { color: var(--orange); font-size: 17px; font-style: normal; }

.section { padding: 102px 0; }
.section h2 { margin: 0; color: var(--deep); font-size: clamp(36px, 4vw, 52px); line-height: 1.07; letter-spacing: -.045em; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 60px; }
.section-heading > p { max-width: 460px; margin: 0 0 4px; color: var(--muted); font-size: 17px; }
.muted { color: var(--muted); }

.benefits { position: relative; overflow: hidden; background: linear-gradient(180deg, #fff 0%, var(--pale) 100%); }
.benefits::before { content: ""; position: absolute; left: -185px; top: 320px; width: 360px; height: 360px; border: 1px solid #d7edf3; border-radius: 50%; }
.benefit-layout { position: relative; display: grid; grid-template-columns: .95fr 1.05fr; gap: 42px; margin-top: 55px; }
.product-portrait { position: relative; overflow: hidden; min-width: 0; min-height: 555px; margin: 0; border-radius: 7px; background: #e9f1f3; box-shadow: var(--shadow); }
.product-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.product-portrait figcaption { position: absolute; left: 20px; right: 20px; bottom: 20px; padding: 18px 20px; color: #fff; background: rgba(8,57,79,.93); backdrop-filter: blur(7px); }
.product-portrait figcaption b, .product-portrait figcaption span { display: block; }
.product-portrait figcaption b { font-size: 15px; }
.product-portrait figcaption span { margin-top: 4px; color: #b9dce6; font-size: 13px; }
.benefit-list { display: grid; gap: 12px; }
.benefit-card { display: grid; grid-template-columns: 62px 1fr; align-items: start; gap: 16px; padding: 24px; border: 1px solid var(--line); background: #fff; }
.benefit-card.is-featured { border-color: #83cde1; background: var(--pale); box-shadow: 0 14px 35px rgba(10,71,95,.08); }
.benefit-card > span { color: #a8dbe8; font-size: 31px; font-weight: 800; letter-spacing: -.06em; }
.benefit-card.is-featured > span { color: var(--blue); }
.benefit-card h3 { margin: 1px 0 6px; color: var(--deep); font-size: 19px; }
.benefit-card p { margin: 0; color: var(--muted); font-size: 15px; }

.sizes { position: relative; overflow: hidden; color: #fff; background: var(--deep); }
.sizes::after { content: ""; position: absolute; right: -155px; bottom: -220px; width: 520px; height: 520px; border: 1px solid rgba(131,205,225,.18); border-radius: 50%; box-shadow: 0 0 0 39px var(--deep), 0 0 0 40px rgba(131,205,225,.12), 0 0 0 78px var(--deep), 0 0 0 79px rgba(131,205,225,.09); }
.size-rulers { position: absolute; inset: 0; opacity: .08; background-image: repeating-linear-gradient(90deg, transparent 0 79px, #fff 80px 81px); mask-image: linear-gradient(to bottom, transparent, #000 35%, transparent); }
.light-heading { position: relative; z-index: 1; }
.light-heading h2 { color: #fff; }
.light-heading > p { color: #b9d6df; }
.size-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 54px; }
.size-card { position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 535px; padding: 28px; border: 1px solid rgba(158,218,233,.22); background: rgba(4,47,66,.55); transition: border-color .2s ease, transform .2s ease, background .2s ease; }
.size-card:hover { border-color: #6cc7df; background: rgba(4,47,66,.8); transform: translateY(-4px); }
.size-card.is-featured { border-color: var(--orange); background: #0a5874; box-shadow: 0 20px 45px rgba(0,29,43,.2); }
.featured-label { position: absolute; right: 18px; top: -12px; padding: 5px 9px; color: #193846; background: var(--orange); font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.size-top { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.size-top span { color: #80c6d9; font-size: 8px; font-weight: 800; letter-spacing: .13em; }
.size-top strong { color: #fff; font-size: 31px; line-height: .9; letter-spacing: -.05em; }
.ring-stack { display: grid; align-content: end; justify-items: center; min-height: 126px; margin: 25px 0 20px; padding: 14px; border: 1px solid rgba(150,214,230,.17); background: rgba(255,255,255,.035); }
.ring-stack i { display: block; width: 54%; height: 17px; margin-top: -2px; border: 2px solid #9dd7e5; border-radius: 50%; box-shadow: inset 0 -4px 0 rgba(157,215,229,.14); }
.ring-stack.stack-wide i { width: 72%; }
.ring-stack.stack-largest i { width: 90%; }
.size-card h3 { margin: 0; color: #fff; font-size: 21px; }
.size-card > p { margin: 8px 0 13px; color: #94c1ce; font-size: 13px; }
.size-card ul { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 28px; padding: 0; list-style: none; }
.size-card li { padding: 6px 9px; color: #c7e2e9; border: 1px solid rgba(157,215,229,.24); font-size: 12px; }
.size-link { display: flex; align-items: center; justify-content: space-between; min-height: 53px; margin-top: auto; padding: 0 17px; color: #173443; background: var(--orange); font-size: 14px; font-weight: 900; transition: background .2s ease, transform .2s ease; }
.size-link span { font-size: 18px; }
.size-link:hover { background: #ffc66f; transform: translateY(-2px); }
.size-note { position: relative; z-index: 1; margin-top: 18px; padding: 18px 22px; color: #bcd7df; border-left: 3px solid var(--orange); background: rgba(255,255,255,.05); font-size: 14px; }
.size-note b { color: #fff; }

.construction { position: relative; overflow: hidden; background: #f8fcfd; }
.construction-grid { display: grid; grid-template-columns: .96fr 1.04fr; align-items: center; gap: 62px; }
.construction-lead { max-width: 560px; margin: 25px 0 0; color: var(--muted); font-size: 17px; }
.construction-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; margin-top: 34px; border-top: 1px solid var(--line); }
.construction-points article { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.construction-points article > span { color: var(--blue); font-size: 11px; font-weight: 900; }
.construction-points h3 { margin: 0 0 4px; color: var(--deep); font-size: 17px; }
.construction-points p { margin: 0; color: var(--muted); font-size: 13px; }
.detail-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; min-width: 0; }
.detail-pair figure { position: relative; overflow: hidden; min-width: 0; min-height: 530px; margin: 0; background: #dfecee; box-shadow: var(--shadow); }
.detail-pair figure:nth-child(2) { margin-top: 50px; margin-bottom: -50px; }
.detail-pair img { width: 100%; height: 100%; object-fit: cover; }
.detail-pair figcaption { position: absolute; left: 14px; right: 14px; bottom: 14px; padding: 13px 14px; color: #fff; background: rgba(8,57,79,.91); }
.detail-pair figcaption b, .detail-pair figcaption span { display: block; }
.detail-pair figcaption b { font-size: 15px; }
.detail-pair figcaption span { margin-top: 3px; color: #bad8e1; font-size: 11px; }

.installation { background: linear-gradient(180deg, #fff 0%, var(--pale) 100%); }
.installation-schemes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 48px; }
.installation-schemes figure { display: grid; grid-template-columns: minmax(0, .92fr) minmax(210px, 1.08fr); align-items: center; min-width: 0; margin: 0; overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: 0 16px 38px rgba(9, 43, 67, .09); }
.installation-schemes img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; background: #fff; }
.installation-schemes figcaption { padding: 25px 24px; }
.installation-schemes figcaption span { display: block; color: var(--green); font-size: 8px; font-weight: 900; letter-spacing: .15em; }
.installation-schemes figcaption b { display: block; margin-top: 10px; color: var(--deep); font-size: 19px; line-height: 1.2; }
.installation-schemes figcaption p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.scheme-note { margin: 18px 0 0; padding: 16px 19px; color: var(--muted); border-left: 3px solid var(--orange); background: rgba(255,255,255,.72); font-size: 13px; }
.scheme-note b { color: var(--deep); }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin: 55px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps li { position: relative; min-width: 0; padding: 25px 22px 28px; border-right: 1px solid var(--line); }
.steps li:first-child { border-left: 1px solid var(--line); }
.steps li::before { content: ""; position: absolute; left: -1px; top: -1px; width: 0; height: 3px; background: var(--green); transition: width .35s ease; }
.steps li:hover::before { width: calc(100% + 1px); }
.steps b { color: var(--green); font-size: 24px; letter-spacing: -.04em; }
.steps h3 { margin: 22px 0 8px; color: var(--deep); font-size: 17px; }
.steps p { margin: 0; color: var(--muted); font-size: 13px; }
.passport-callout { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 30px; padding: 24px 28px; color: #fff; background: var(--deep); box-shadow: var(--shadow); }
.passport-callout span, .passport-callout b { display: block; }
.passport-callout span { color: #83cde1; font-size: 8px; font-weight: 900; letter-spacing: .15em; }
.passport-callout b { margin-top: 5px; font-size: 16px; }

.choice { color: #fff; background: linear-gradient(118deg, #0b4861, #08759e); }
.choice-grid { display: grid; grid-template-columns: .78fr 1.22fr; align-items: center; gap: 75px; }
.choice h2 { color: #fff; }
.choice-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.choice-cards article { padding: 28px; border: 1px solid rgba(170,225,238,.25); background: rgba(255,255,255,.045); }
.choice-cards article.is-current { border-color: var(--orange); background: rgba(3,53,72,.35); }
.choice-cards article > span { color: #88d8ec; font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.choice-cards h3 { min-height: 54px; margin: 22px 0 10px; color: #fff; font-size: 21px; line-height: 1.2; }
.choice-cards p { min-height: 100px; margin: 0 0 22px; color: #c0dce5; font-size: 14px; }
.choice-cards a { display: flex; justify-content: space-between; padding-top: 15px; color: #fff; border-top: 1px solid rgba(170,225,238,.25); font-size: 13px; font-weight: 800; }
.choice-cards a b { color: var(--orange); font-size: 16px; }

.gallery { color: #fff; background: #082f42; }
.gallery .section-heading h2 { color: #fff; }
.gallery .section-heading > p { color: #a9c9d3; }
.gallery-block { display: grid; grid-template-columns: 1fr 120px; gap: 13px; margin-top: 55px; }
.gallery-main { position: relative; overflow: hidden; height: 620px; min-width: 0; margin: 0; background: #103f53; }
.gallery-main > img { width: 100%; height: 100%; object-fit: cover; transition: opacity .18s ease, transform .35s ease; }
.gallery-main.is-changing > img { opacity: .35; transform: scale(1.012); }
.gallery-caption { position: absolute; left: 0; right: 0; bottom: 0; padding: 90px 28px 24px; background: linear-gradient(transparent, rgba(3,31,44,.92)); pointer-events: none; }
.gallery-caption b, .gallery-caption span { display: block; }
.gallery-caption b { font-size: 18px; }
.gallery-caption span { max-width: 620px; margin-top: 5px; color: #b8d4dd; font-size: 13px; }
.gallery-expand { position: absolute; right: 17px; top: 17px; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; color: #fff; background: rgba(4,48,66,.58); font-size: 20px; cursor: pointer; backdrop-filter: blur(6px); }
.gallery-thumbs { display: grid; grid-template-rows: repeat(5, 1fr); gap: 8px; min-width: 0; scrollbar-width: none; }
.gallery-thumbs::-webkit-scrollbar { display: none; }
.gallery-thumb { overflow: hidden; min-width: 0; padding: 0; border: 2px solid transparent; background: #174a5e; cursor: pointer; opacity: .58; transition: opacity .2s ease, border-color .2s ease; }
.gallery-thumb:hover { opacity: .9; }
.gallery-thumb.is-active { border-color: var(--orange); opacity: 1; }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.lightbox[hidden] { display: none; }
.lightbox { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: 45px; background: rgba(2,24,34,.94); }
.lightbox img { max-width: min(1200px, 94vw); max-height: 88vh; object-fit: contain; box-shadow: 0 25px 80px rgba(0,0,0,.35); }
.lightbox-close { position: fixed; right: 25px; top: 20px; width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; color: #fff; background: transparent; font-size: 31px; cursor: pointer; }

.delivery { position: relative; overflow: hidden; color: #fff; background: linear-gradient(118deg, #0b4861, #08759e); }
.delivery-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: end; gap: 95px; }
.delivery h2 { color: #fff; }
.delivery-copy > p { max-width: 570px; margin: 0 0 28px; color: #c2dee7; font-size: 17px; }
.doc-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.doc-links a { padding: 17px; border: 1px solid rgba(174,227,240,.27); background: rgba(255,255,255,.04); }
.doc-links b, .doc-links span { display: block; }
.doc-links b { color: #fff; font-size: 15px; }
.doc-links span { margin-top: 5px; color: #9bc9d5; font-size: 11px; }
.doc-links a:hover { border-color: var(--orange); }

.request-section { position: relative; overflow: hidden; color: #fff; background: var(--deep-2); }
.request-section::before { content: ""; position: absolute; left: -150px; bottom: -210px; width: 520px; height: 520px; border: 1px solid rgba(130,210,230,.12); border-radius: 50%; box-shadow: 0 0 0 36px var(--deep-2), 0 0 0 37px rgba(130,210,230,.08); }
.request-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 80px; }
.request-section h2 { color: #fff; }
.request-lead { max-width: 530px; margin: 24px 0 22px; color: #b9d4de; font-size: 17px; }
.request-checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; margin: 0 0 24px; padding: 0; list-style: none; color: #c9e0e7; font-size: 13px; }
.request-checklist li::before { content: "✓"; margin-right: 8px; color: var(--orange); font-weight: 900; }
.shop-cta { display: flex; align-items: center; justify-content: space-between; max-width: 520px; margin-bottom: 24px; padding: 16px 18px; color: #173443; background: var(--orange); transition: background .2s ease, transform .2s ease; }
.shop-cta span small, .shop-cta span b { display: block; }
.shop-cta small { font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.shop-cta b { margin-top: 3px; font-size: 16px; }
.shop-cta i { font-size: 22px; font-style: normal; }
.shop-cta:hover { background: #ffc66f; transform: translateY(-2px); }
.contact-lines { display: grid; gap: 9px; color: #d8edf2; }
.contact-lines a { width: fit-content; font-size: 16px; font-weight: 700; }
.contact-lines a:hover { color: var(--orange); }
.contact-lines span { color: #8eafb9; font-size: 14px; }
.request-form { min-height: 430px; padding: 24px; color: var(--ink); background: #fff; box-shadow: 0 26px 60px rgba(0,21,31,.27); }
.request-form noscript { display: block; padding: 20px; }
.request-form noscript a { color: var(--blue-dark); font-weight: 800; }

.faq-section { position: relative; overflow: hidden; background: var(--pale); }
.faq-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.faq-list details { padding: 22px 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 20px; color: var(--deep); font-size: 17px; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; flex: 0 0 auto; color: var(--blue); font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 650px; margin: 14px 0 0; color: var(--muted); font-size: 16px; }
.faq-list details p a { color: var(--blue-dark); text-decoration: underline; }
.faq-question-bg { position: absolute; z-index: 0; right: -75px; top: 24px; color: #e3f3f7; font-size: 440px; font-weight: 900; line-height: .8; letter-spacing: -.15em; opacity: .25; pointer-events: none; text-shadow: 20px 22px 0 #f1f9fb, -1px -1px 0 #cbeaf2; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.75,.25,1); transition-delay: var(--reveal-delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1220px) {
  
  
  
  
  
  
  
}

@media (max-width: 1080px) {
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  .hero-grid { gap: 34px; }
  .hero-facts strong { font-size: 12px; }
  .size-card { padding: 23px; }
  .steps li { padding-inline: 16px; }
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 42px; min-height: 0; padding: 62px 0 55px; }
  .hero-copy { max-width: 730px; margin-inline: auto; text-align: center; }
  .breadcrumbs, .hero-actions { justify-content: center; }
  .lead, .hero-store-link { margin-inline: auto; }
  .hero-facts { max-width: 670px; margin-inline: auto; margin-top: 38px; text-align: left; }
  .hero-visual { width: min(100%,760px); margin-inline: auto; }
  .hero-photo img { height: 490px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 23px; }
  .benefit-layout, .construction-grid, .choice-grid, .delivery-grid, .request-grid, .faq-grid { grid-template-columns: 1fr; }
  .benefit-layout { max-width: 780px; margin-inline: auto; margin-top: 50px; }
  .product-portrait { min-height: 590px; }
  .size-grid { grid-template-columns: 1fr; max-width: 720px; margin-inline: auto; margin-top: 48px; }
  .size-card { min-height: 0; }
  .construction-grid { max-width: 780px; }
  .detail-pair { margin-top: 15px; }
  .installation-schemes { grid-template-columns: 1fr; max-width: 760px; margin-inline: auto; margin-top: 42px; }
  .scheme-note { max-width: 760px; margin-inline: auto; margin-top: 18px; }
  .steps { grid-template-columns: repeat(2, 1fr); border-bottom: 0; }
  .steps li { border-bottom: 1px solid var(--line); }
  .steps li:nth-child(odd) { border-left: 1px solid var(--line); }
  .choice-grid, .delivery-grid, .request-grid { gap: 45px; }
  .choice-cards { max-width: 760px; }
  .delivery-copy > p { margin-top: 0; }
  .request-form { width: min(100%,720px); }
  .faq-grid { gap: 38px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 124px; }
  .wrap { width: min(100% - 30px,1160px); }
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  .section { padding: 74px 0; }
  .hero-grid { padding-top: 46px; }
  .hero h1 { font-size: clamp(40px, 11.5vw, 58px); }
  .lead { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 420px; margin-inline: auto; margin-top: 28px; }
  .hero-visual { padding: 10px 10px 98px; }
  .hero-photo img { height: clamp(330px,72vw,470px); }
  .diameter-badge { right: -6px; top: -25px; width: 108px; height: 108px; border-width: 7px; }
  .diameter-badge strong { font-size: 18px; }
  .hero-note { left: -4px; bottom: 1px; }
  .hero-ticker { overflow: hidden; justify-content: flex-start; white-space: nowrap; }
  .hero-ticker span:nth-of-type(4), .hero-ticker i:nth-of-type(3) { display: none; }
  .product-portrait { min-height: 480px; }
  .benefit-card { grid-template-columns: 50px 1fr; padding: 19px; }
  .size-card { padding: 22px; }
  .detail-pair { grid-template-columns: 1fr; }
  .detail-pair figure, .detail-pair figure:nth-child(2) { min-height: 380px; margin: 0; }
  .installation-schemes figure { grid-template-columns: 1fr; }
  .installation-schemes figcaption { padding: 20px; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li:nth-child(odd) { border-left: 1px solid var(--line); }
  .passport-callout { align-items: stretch; flex-direction: column; }
  .choice-cards { grid-template-columns: 1fr; }
  .choice-cards h3, .choice-cards p { min-height: 0; }
  .gallery-block { grid-template-columns: 1fr; }
  .gallery-main { height: 480px; }
  .gallery-thumbs { display: flex; overflow-x: auto; gap: 8px; padding-bottom: 6px; scroll-snap-type: x mandatory; }
  .gallery-thumb { flex: 0 0 92px; height: 74px; scroll-snap-align: start; }
  .doc-links, .request-checklist { grid-template-columns: 1fr; }
  .request-form { padding: 14px; }
}

@media (max-width: 500px) {
  
  
  
  
  
  
  
  
  .breadcrumbs { justify-content: flex-start; overflow: hidden; margin-bottom: 16px; text-align: left; white-space: nowrap; }
  .eyebrow { font-size: 9px; }
  .hero-facts { grid-template-columns: 1fr; gap: 12px; max-width: 330px; }
  .hero-photo img { height: 300px; }
  .hero-photo figcaption { left: 16px; right: 16px; bottom: 16px; }
  .hero-note { display: none; }
  .hero-visual { padding-bottom: 5px; }
  .product-portrait { min-height: 390px; }
  .product-portrait figcaption { left: 12px; right: 12px; bottom: 12px; }
  .benefit-card { grid-template-columns: 43px 1fr; gap: 9px; padding: 16px 13px; }
  .benefit-card > span { font-size: 25px; }
  .size-top strong { font-size: 27px; }
  .detail-pair figure, .detail-pair figure:nth-child(2) { min-height: 330px; }
  .gallery-main { height: 360px; }
  .gallery-caption { padding: 75px 17px 16px; }
  .gallery-caption b { font-size: 15px; }
  .lightbox { padding: 18px; }
  .lightbox-close { right: 8px; top: 8px; }
  .shop-cta b { font-size: 15px; }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 33px; letter-spacing: -.045em; }
  .hero-copy { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}