:root {
  --blue: #118bc1;
  --blue-dark: #08658f;
  --deep: #0b4861;
  --deep-2: #08394f;
  --ink: #173443;
  --pale: #e6fcff;
  --line: #cfe2e8;
  --orange: #ffb250;
  --orange-dark: #e88b20;
  --muted: #5e7b89;
  --white: #fff;
  --shadow: 0 18px 48px rgba(9, 43, 67, .12);
}

* { box-sizing: border-box; }
html { overflow-x: hidden; overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 126px; }
body { margin: 0; overflow-x: hidden; overflow-x: clip; color: var(--ink); background: var(--white); font-family: Inter, "Segoe UI", Arial, sans-serif; line-height: 1.5; }
body.lightbox-open { overflow: hidden; }
main { display: block; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; touch-action: manipulation; }
section[id] { scroll-margin-top: 126px; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.wrap { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.analytics-pixel { position: absolute; left: -9999px; width: 1px; height: 1px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 200; padding: 12px 16px; color: #fff; background: var(--deep); }
.skip-link:focus { top: 12px; }

.section { padding: 104px 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: 430px; margin: 0 0 4px; color: var(--muted); }
.eyebrow { margin: 0 0 18px; color: var(--blue-dark); font-size: 11px; font-weight: 850; 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; }
.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, .15); }
.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); }
.btn-dark { color: #fff; background: var(--deep); }
.btn-dark:hover { background: var(--blue-dark); transform: translateY(-2px); }

.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(128deg, #052f42 0%, #0b4861 56%, #08658f 100%); }
.hero::before { content: ""; position: absolute; right: -250px; top: -250px; width: 760px; height: 760px; 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 46%, transparent 78%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 58px; min-height: 690px; padding: 58px 0 54px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 23px; color: #8fc5d6; font-size: 11px; }
.breadcrumbs a:hover { color: #fff; }
.hero h1 { max-width: 650px; margin: 0 0 24px; color: #fff; font-size: clamp(46px, 5vw, 69px); line-height: .98; letter-spacing: -.055em; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-lead { max-width: 610px; margin: 0; color: #c5e0e9; font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 42px; }
.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; }
.hero-facts span { margin-top: 5px; color: #8ebccc; font-size: 10px; }
.hero-visual { position: relative; min-width: 0; padding: 24px 0 94px 32px; }
.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: 500px; object-fit: cover; object-position: 50% 50%; filter: saturate(.82) contrast(1.03); }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(3, 33, 48, .88), 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: 9px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.hero-photo figcaption b { margin-top: 5px; font-size: 14px; }
.hero-badge { position: absolute; z-index: 4; right: -16px; top: -4px; display: grid; place-content: center; width: 126px; height: 126px; 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); }
.hero-badge small { font-size: 8px; font-weight: 850; letter-spacing: .14em; }
.hero-badge strong { max-width: 85px; margin-top: 3px; font-size: 18px; line-height: 1.05; }
.hero-note { position: absolute; z-index: 3; left: -20px; bottom: 0; display: grid; grid-template-columns: 42px 1fr; align-items: center; width: 250px; min-height: 78px; padding: 10px 15px; color: #557584; background: #fff; box-shadow: 0 15px 38px rgba(0, 28, 43, .28); transform: rotate(-2deg); }
.hero-note > span { color: var(--blue); font-size: 25px; font-weight: 850; }
.hero-note p, .hero-note b, .hero-note small { display: block; margin: 0; }
.hero-note b { color: var(--deep); font-size: 12px; }
.hero-note small { margin-top: 4px; font-size: 9px; 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: 10px; font-weight: 850; letter-spacing: .15em; }
.hero-ticker i { color: var(--orange); font-size: 17px; font-style: normal; }

.forms-section { position: relative; overflow: hidden; color: var(--ink); background: linear-gradient(180deg, #e6fcff 0%, #f8fdff 100%); }
.form-orbit { position: absolute; border: 1px solid rgba(140, 221, 240, .14); border-radius: 50%; pointer-events: none; }
.form-orbit-one { right: -200px; bottom: -250px; width: 560px; height: 560px; box-shadow: 0 0 0 42px var(--pale), 0 0 0 43px rgba(140,221,240,.09), 0 0 0 82px var(--pale), 0 0 0 83px rgba(140,221,240,.06); }
.light-heading { position: relative; z-index: 1; }
.light-heading h2 { color: var(--deep); }
.light-heading > p { color: var(--muted); }
.forms-section .eyebrow-light { color: var(--blue-dark); }
.form-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 54px; }
.form-card { position: relative; display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); background: #fff; box-shadow: 0 14px 32px rgba(10, 71, 95, .07); transition: border-color .2s ease, transform .2s ease, background .2s ease; }
.form-card:hover { border-color: #6cc7df; background: #fff; transform: translateY(-4px); }
.form-card.is-featured { border-color: var(--orange); background: #f9feff; box-shadow: 0 20px 45px rgba(0, 29, 43, .12); }
.form-label { position: absolute; z-index: 2; right: 18px; top: -12px; padding: 5px 9px; color: #193846; background: var(--orange); font-size: 8px; font-weight: 900; letter-spacing: .13em; }
.form-card figure { overflow: hidden; height: 235px; margin: 0; background: #dff5fa; }
.form-card figure img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.84); transition: transform .35s ease; }
.form-card:hover figure img { transform: scale(1.025); }
.form-card-body { display: flex; flex: 1; flex-direction: column; padding: 27px; }
.form-card-body > span { color: var(--blue-dark); font-size: 9px; font-weight: 850; letter-spacing: .14em; }
.form-card-body h3 { margin: 10px 0 9px; color: var(--deep); font-size: 23px; }
.form-card-body p { margin: 0 0 28px; color: var(--muted); font-size: 13px; }
.form-card-body a { display: flex; align-items: center; justify-content: space-between; min-height: 52px; margin-top: auto; padding: 0 16px; color: #173443; border: 1px solid var(--orange); background: var(--orange); font-size: 12px; font-weight: 900; transition: background .2s ease, transform .2s ease; }
.form-card-body a:hover { background: #ffc66f; transform: translateY(-2px); }
.form-card-body a b { font-size: 18px; }

.advantages { position: relative; overflow: hidden; background: linear-gradient(180deg, #fff 0%, #e6fcff 100%); }
.advantages::before { content: ""; position: absolute; left: -180px; top: 320px; width: 360px; height: 360px; border: 1px solid #d7edf3; border-radius: 50%; }
.advantage-layout { position: relative; display: grid; grid-template-columns: 1.03fr .97fr; gap: 42px; margin-top: 55px; }
.production-photo { position: relative; align-self: start; overflow: hidden; width: 100%; height: 520px; min-width: 0; margin: 0; border-radius: 7px; background: #e9f1f3; box-shadow: var(--shadow); }
.production-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.production-photo figcaption { position: absolute; left: 20px; right: 20px; bottom: 20px; padding: 18px 20px; color: #fff; background: rgba(8, 57, 79, .92); backdrop-filter: blur(7px); }
.production-photo figcaption b, .production-photo figcaption span { display: block; }
.production-photo figcaption b { font-size: 15px; }
.production-photo figcaption span { margin-top: 4px; color: #b9dce6; font-size: 11px; }
.advantage-list { display: grid; gap: 12px; }
.advantage-card { display: grid; grid-template-columns: 62px 1fr; align-items: start; gap: 16px; padding: 24px; border: 1px solid var(--line); background: #fff; }
.advantage-card.is-featured { border-color: #83cde1; background: var(--pale); box-shadow: 0 14px 35px rgba(10, 71, 95, .08); }
.advantage-card > span { color: #a8dbe8; font-size: 31px; font-weight: 850; letter-spacing: -.06em; }
.advantage-card.is-featured > span { color: var(--blue); }
.advantage-card h3 { margin: 1px 0 6px; color: var(--deep); font-size: 19px; }
.advantage-card p { margin: 0; color: var(--muted); font-size: 13px; }

.project-data { position: relative; overflow: hidden; background: #e6fcff; }
.project-gridlines { position: absolute; inset: 0; opacity: .55; background-image: linear-gradient(rgba(111, 193, 214, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(111, 193, 214, .12) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, #000, transparent 62%); }
.project-grid { position: relative; display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; align-items: start; }
.project-copy { position: sticky; top: 145px; }
.project-copy h2 { margin: 0; color: var(--deep); font-size: clamp(38px, 4.4vw, 58px); line-height: 1.04; letter-spacing: -.05em; }
.project-copy > p:not(.eyebrow) { max-width: 510px; margin: 25px 0 31px; color: var(--muted); font-size: 16px; }
.project-list { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid #acd5df; }
.project-list li { display: grid; grid-template-columns: 66px 1fr; gap: 18px; padding: 27px 4px; border-bottom: 1px solid #acd5df; }
.project-list li > span { color: var(--blue); font-size: 27px; font-weight: 850; letter-spacing: -.05em; }
.project-list h3 { margin: 2px 0 6px; color: var(--deep); font-size: 19px; }
.project-list p { margin: 0; color: var(--muted); font-size: 14px; }

.gallery-section { color: #fff; background: #082f42; }
.gallery-heading h2 { color: #fff; }
.gallery-heading > p { color: #a9c9d3; }
.gallery-block { display: grid; grid-template-columns: minmax(0, 1fr) 122px; 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: 12px; }
.gallery-expand { position: absolute; right: 17px; top: 17px; display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; color: #fff; background: rgba(4,48,66,.66); cursor: pointer; backdrop-filter: blur(6px); }
.gallery-expand svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.gallery-expand:hover { background: var(--blue); }
.gallery-thumbs { display: grid; grid-auto-rows: 82px; align-content: start; gap: 8px; max-height: 620px; min-width: 0; padding-right: 3px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #2b7089 transparent; }
.gallery-thumb { overflow: hidden; min-width: 0; min-height: 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; }

.process-section { background: #fff; }
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 56px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-list li { min-width: 0; padding: 28px 24px 30px; border-left: 1px solid var(--line); }
.process-list li:first-child { border-left: 0; }
.process-list span { color: var(--blue); font-size: 31px; font-weight: 850; letter-spacing: -.06em; }
.process-list h3 { margin: 23px 0 8px; color: var(--deep); font-size: 18px; }
.process-list p { margin: 0; color: var(--muted); font-size: 14px; }

.installation-section { background: linear-gradient(180deg, #fff 0%, #e6fcff 100%); }
.installation-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 76px; }
.installation-section h2 { margin: 0; color: var(--deep); font-size: clamp(38px, 4.4vw, 58px); line-height: 1.04; letter-spacing: -.05em; }
.installation-lead { max-width: 510px; margin: 25px 0 0; color: var(--muted); font-size: 16px; }
.groundwater-note { margin-top: 34px; padding: 20px 22px; border-left: 4px solid var(--orange); background: #fff; box-shadow: 0 12px 32px rgba(9, 43, 67, .07); }
.groundwater-note b { color: var(--deep); font-size: 14px; }
.groundwater-note p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.installation-card { padding: 34px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.installation-card h3 { margin: 0 0 19px; color: var(--deep); font-size: 23px; }
.installation-card ul { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.installation-card li { display: grid; grid-template-columns: 46px 1fr; align-items: center; gap: 12px; min-height: 58px; border-bottom: 1px solid var(--line); }
.installation-card li span { color: var(--blue); font-size: 11px; font-weight: 900; }
.installation-card li p { margin: 0; color: var(--ink); font-size: 14px; }
.installation-footnote { margin: 20px 0 0; color: var(--muted); font-size: 12px; }

.request-section { position: relative; overflow: hidden; color: #fff; background: var(--deep-2); }
.request-section::before { content: ""; position: absolute; left: -150px; bottom: -230px; 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); pointer-events: none; }
.request-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 80px; }
.request-copy h2 { margin: 0; color: #fff; font-size: clamp(40px, 4.5vw, 59px); line-height: 1.04; letter-spacing: -.05em; }
.request-lead { max-width: 530px; margin: 24px 0 22px; color: #b9d4de; font-size: 16px; }
.request-checklist { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; margin: 0 0 25px; 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; gap: 18px; max-width: 530px; padding: 17px 19px; color: #173443; background: var(--orange); box-shadow: 0 15px 32px rgba(0,28,43,.22); transition: background .2s ease, transform .2s ease; }
.shop-cta:hover { background: #ffc66f; transform: translateY(-2px); }
.shop-cta span, .shop-cta small, .shop-cta b { display: block; }
.shop-cta small { font-size: 8px; font-weight: 900; letter-spacing: .14em; }
.shop-cta b { margin-top: 3px; font-size: 15px; }
.shop-cta i { font-size: 22px; font-style: normal; }
.contact-lines { display: grid; gap: 6px; margin-top: 26px; color: #b9d5de; font-size: 13px; }
.contact-lines a { width: fit-content; color: #fff; font-weight: 800; }
.contact-lines a:hover { color: var(--orange); }
.request-form { min-height: 570px; padding: 24px 27px; color: var(--ink); background: #fff; box-shadow: 0 25px 65px rgba(0,24,37,.28); }
.bitrix-form-shell > script { display: none; }
.bitrix-form-shell noscript { display: block; padding: 20px 0; color: var(--muted); font-size: 13px; }
.bitrix-form-shell noscript a { color: var(--blue-dark); font-weight: 800; text-decoration: underline; }
.bitrix-form-shell .b24-form { width: 100% !important; max-width: none !important; color: var(--ink); font-family: Inter, "Segoe UI", Arial, sans-serif; }
.bitrix-form-shell .b24-form-wrapper { width: 100% !important; max-width: none !important; padding: 0 !important; border: 0 !important; box-shadow: none !important; }
.bitrix-form-shell .b24-form-header { padding: 0 0 15px !important; }
.bitrix-form-shell .b24-form-header-title { color: var(--deep) !important; font-size: 23px !important; font-weight: 850 !important; line-height: 1.15 !important; }
.bitrix-form-shell .b24-form-header-description, .bitrix-form-shell .b24-form-sign { color: var(--muted) !important; font-size: 13px !important; }
.bitrix-form-shell .b24-form-control-label { color: var(--ink) !important; font-size: 13px !important; font-weight: 800 !important; }
.bitrix-form-shell .b24-form-control { border-color: var(--line) !important; color: var(--ink) !important; font-family: inherit !important; }
.bitrix-form-shell .b24-form-control:focus { border-color: var(--blue) !important; box-shadow: 0 0 0 3px rgba(17,139,193,.11) !important; }
.bitrix-form-shell .b24-form-btn { min-height: 52px !important; border-radius: 4px !important; color: #fff !important; background: var(--blue-dark) !important; font-family: inherit !important; font-size: 14px !important; font-weight: 800 !important; }
.bitrix-form-shell .b24-form-btn:hover { background: #075275 !important; }
.bitrix-form-shell .b24-form-control-file-label { border-color: #afd8e4 !important; color: var(--blue-dark) !important; background: #f1fafc !important; }

.faq-section { position: relative; overflow: hidden; background: #e6fcff; }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 90px; }
.faq-copy { position: relative; min-height: 470px; }
.faq-copy > p:not(.eyebrow) { max-width: 360px; margin: 24px 0 0; color: var(--muted); }
.faq-symbol { position: absolute; left: -6px; bottom: -100px; color: rgba(17,139,193,.1); font-size: 260px; font-weight: 900; line-height: 1; }
.faq-list details { padding: 23px 0; border-top: 1px solid #b9dbe4; }
.faq-list details:last-child { border-bottom: 1px solid #b9dbe4; }
.faq-list summary { display: flex; justify-content: space-between; gap: 24px; color: var(--deep); font-size: 16px; font-weight: 800; 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: 23px; font-weight: 500; line-height: .8; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 750px; margin: 13px 42px 0 0; color: var(--muted); font-size: 14px; }
.faq-list p a { color: var(--blue-dark); font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }

.final-cta { color: #fff; background: #0a435a; }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; min-height: 230px; padding-top: 38px; padding-bottom: 38px; }
.final-cta-inner > div > span { color: #8ed8ea; font-size: 9px; font-weight: 900; letter-spacing: .16em; }
.final-cta h2 { margin: 8px 0 5px; color: #fff; font-size: clamp(28px, 3vw, 40px); line-height: 1.08; letter-spacing: -.035em; }
.final-cta p { margin: 0; color: #b7d6df; }
.final-actions { display: grid; justify-items: end; gap: 15px; flex: 0 0 auto; }
.final-actions > a:last-child { color: #fff; font-size: 15px; font-weight: 800; }
.final-actions > a:last-child:hover { color: var(--orange); }

.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; display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; color: #fff; background: transparent; font-size: 31px; line-height: 1; cursor: pointer; }
.lightbox-close:hover { background: rgba(255,255,255,.1); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease var(--reveal-delay, 0ms), transform .55s ease var(--reveal-delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .hero-grid { grid-template-columns: 1fr; max-width: 780px; min-height: 0; padding-top: 70px; }
  .hero-copy { max-width: 680px; }
  .hero-visual { max-width: 720px; width: 100%; margin-inline: auto; }
  .hero-photo img { height: 490px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 23px; }
  .form-grid { grid-template-columns: 1fr; max-width: 760px; margin-inline: auto; margin-top: 48px; }
  .form-card { display: grid; grid-template-columns: .92fr 1.08fr; }
  .form-card figure { height: 100%; min-height: 330px; }
  .advantage-layout, .project-grid, .installation-grid, .request-grid, .faq-grid { grid-template-columns: 1fr; }
  .advantage-layout { max-width: 780px; margin-inline: auto; margin-top: 50px; }
  .production-photo { height: 460px; }
  .project-grid, .installation-grid, .request-grid, .faq-grid { gap: 48px; }
  .project-copy { position: static; }
  .project-list { max-width: 780px; }
  .process-list { grid-template-columns: repeat(2, 1fr); border-bottom: 0; }
  .process-list li { border-bottom: 1px solid var(--line); }
  .process-list li:nth-child(3) { border-left: 0; }
  .request-form { width: min(100%, 760px); }
  .faq-copy { min-height: 0; }
  .faq-symbol { display: none; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 112px; }
  section[id] { scroll-margin-top: 112px; }
  .wrap { width: calc(100% - 30px); }
  .section { padding: 78px 0; }
  .hero-grid { gap: 33px; padding: 48px 0 42px; }
  .hero h1 { font-size: clamp(39px, 12vw, 56px); }
  .hero-lead { font-size: 16px; }
  .hero-facts { grid-template-columns: 1fr; gap: 10px; }
  .hero-facts > div { display: grid; grid-template-columns: 115px 1fr; align-items: baseline; }
  .hero-visual { padding: 16px 5px 88px 12px; }
  .hero-photo img { height: 410px; }
  .hero-badge { right: -5px; width: 106px; height: 106px; border-width: 7px; }
  .hero-badge strong { font-size: 15px; }
  .hero-note { left: 0; width: 225px; }
  .hero-ticker span:nth-of-type(2), .hero-ticker i:nth-of-type(2) { display: none; }
  .section-heading h2, .section h2 { font-size: clamp(34px, 10vw, 46px); }
  .form-card { display: flex; }
  .form-card figure { height: 255px; min-height: 0; }
  .production-photo { height: 390px; }
  .advantage-card { grid-template-columns: 50px 1fr; padding: 20px; }
  .gallery-block { grid-template-columns: 1fr; }
  .gallery-main { height: 480px; }
  .gallery-thumbs { display: flex; max-height: none; overflow-x: auto; overflow-y: hidden; gap: 8px; padding: 0 0 6px; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .gallery-thumbs::-webkit-scrollbar { display: none; }
  .gallery-thumb { flex: 0 0 92px; height: 74px; scroll-snap-align: start; }
  .request-checklist { grid-template-columns: 1fr; }
  .request-form { min-height: 520px; padding: 16px; }
  .final-cta-inner { align-items: flex-start; flex-direction: column; gap: 28px; }
  .final-actions { justify-items: start; }
}

@media (max-width: 520px) {
  .section { padding: 68px 0; }
  .breadcrumbs { font-size: 10px; }
  .hero-grid { padding-top: 38px; }
  .hero h1 { font-size: 39px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-photo img { height: 335px; }
  .hero-photo figcaption { right: 90px; }
  .hero-badge { top: 1px; width: 92px; height: 92px; }
  .hero-badge small { font-size: 7px; }
  .hero-badge strong { max-width: 65px; font-size: 13px; }
  .hero-note { width: 205px; }
  .hero-ticker { min-height: 55px; font-size: 8px; letter-spacing: .1em; }
  .form-card-body { padding: 22px; }
  .form-card figure { height: 225px; }
  .production-photo { height: 330px; }
  .production-photo figcaption { left: 12px; right: 12px; bottom: 12px; }
  .advantage-card { grid-template-columns: 42px 1fr; padding: 18px; }
  .advantage-card > span { font-size: 25px; }
  .project-list li { grid-template-columns: 48px 1fr; gap: 9px; }
  .project-list li > span { font-size: 23px; }
  .gallery-main { height: 355px; }
  .gallery-caption { padding: 75px 17px 16px; }
  .gallery-caption b { font-size: 15px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li:nth-child(3) { border-left: 0; }
  .installation-card { padding: 23px 19px; }
  .installation-card li { grid-template-columns: 38px 1fr; }
  .shop-cta b { font-size: 14px; }
  .faq-list summary { font-size: 15px; }
  .faq-list p { margin-right: 0; }
  .lightbox { padding: 18px; }
  .lightbox-close { right: 8px; top: 8px; }
  .final-cta h2 { font-size: 31px; }
}

@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; }
}