:root {
  --bg: #0b0d0d;
  --panel: #141717;
  --panel-2: #1b1f1f;
  --paper: #f2f0e9;
  --text: #f4f2eb;
  --muted: #9fa6a3;
  --hot: #ff5a2a;
  --hot-2: #ff8b38;
  --line: rgba(255,255,255,.13);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }

.site-header { height: 86px; padding: 0 32px; display: flex; align-items: center; gap: 34px; position: absolute; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.15); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; text-decoration: none; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; color: var(--hot); font-size: 26px; font-weight: 900; transform: rotate(90deg); }
.brand b, .brand small { display: block; }
.brand b { font-size: 13px; letter-spacing: .08em; }
.brand small { margin-top: 3px; color: #aeb3b1; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 26px; }
.nav a { color: #c2c7c4; font-size: 13px; text-decoration: none; transition: color .2s ease; }
.nav a:hover { color: #fff; }
.nav-phone { display: none; }
.header-phone { display: grid; text-align: right; text-decoration: none; }
.header-phone small { color: #aeb3b1; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.header-phone b { margin-top: 4px; font-size: 14px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; padding: 10px; }
.menu-toggle span { display: block; height: 2px; margin: 6px 0; background: #fff; }

.hero { min-height: 820px; height: 100vh; max-height: 1000px; display: grid; grid-template-columns: 54% 46%; position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; inset: 0 46% 0 0; background: radial-gradient(circle at 72% 25%, rgba(255,90,42,.13), transparent 30%), linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px); background-size: auto, 48px 48px, 48px 48px; }
.hero-copy { position: relative; z-index: 2; align-self: center; padding: 122px 7vw 72px max(32px,calc((100vw - 1320px)/2)); }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #c5cac7; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow span { width: 7px; height: 7px; border-radius: 50%; background: var(--hot); box-shadow: 0 0 0 5px rgba(255,90,42,.13); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin: 25px 0 24px; font-size: clamp(54px,6.1vw,104px); line-height: .91; letter-spacing: -.065em; text-transform: uppercase; }
h1 em { color: var(--hot); font-style: normal; }
.hero-lead { max-width: 680px; color: #b6bcba; font-size: clamp(17px,1.35vw,21px); line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 34px; }
.button { min-height: 56px; padding: 0 22px; border: 0; border-radius: 6px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; font-weight: 850; text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-hot { background: var(--hot); color: #100e0c; }
.button-hot:hover { background: var(--hot-2); }
.button-light { background: var(--paper); color: #111; }
.button span { font-size: 19px; }
.text-link { display: flex; align-items: center; gap: 10px; color: #d1d5d3; font-size: 14px; font-weight: 750; text-decoration: none; }
.text-link i { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid #626968; border-radius: 50%; color: var(--hot); font-size: 9px; font-style: normal; }
.hero-facts { margin: 48px 0 0; padding: 0; display: flex; list-style: none; border-top: 1px solid var(--line); }
.hero-facts li { flex: 1; padding: 18px 14px 0 0; display: flex; gap: 11px; }
.hero-facts b { color: var(--hot); font-size: 12px; }
.hero-facts span { color: #afb5b2; font-size: 12px; line-height: 1.4; }
.hero-media { min-width: 0; position: relative; background: #161918; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; }
.media-shade { position: absolute; inset: 0; background: linear-gradient(90deg,rgba(11,13,13,.5),transparent 28%), linear-gradient(0deg,rgba(11,13,13,.65),transparent 45%); }
.video-label { position: absolute; left: 34px; bottom: 44px; }
.video-label span, .video-label b { display: block; }
.video-label span { margin-bottom: 6px; color: var(--hot); font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.video-label b { max-width: 260px; font-size: 24px; line-height: 1.1; }
.temperature { position: absolute; top: 112px; right: 28px; padding: 12px 14px; display: flex; gap: 9px; align-items: center; border: 1px solid rgba(255,255,255,.28); background: rgba(10,12,12,.44); backdrop-filter: blur(10px); font-size: 9px; font-weight: 900; letter-spacing: .13em; }
.temperature b { color: var(--hot); }
.scroll-hint { position: absolute; left: 32px; bottom: 24px; z-index: 5; color: #747c79; font-size: 10px; letter-spacing: .13em; text-transform: uppercase; text-decoration: none; }
.scroll-hint span { margin-left: 7px; color: var(--hot); }

.section { width: min(1320px, calc(100% - 64px)); margin: 0 auto; padding: 120px 0; }
.section-head { display: grid; grid-template-columns: 170px minmax(0,1.3fr) minmax(280px,.7fr); gap: 28px; align-items: start; margin-bottom: 56px; }
.section-head.compact { grid-template-columns: 170px minmax(0,1fr) minmax(300px,.56fr); }
.section-index { color: #747d79; font-size: 10px; font-weight: 900; letter-spacing: .15em; }
.section h2 { margin-bottom: 0; font-size: clamp(42px,5vw,76px); line-height: .98; letter-spacing: -.055em; text-transform: uppercase; }
.section h2 span { color: var(--hot); }
.section-head > p:last-child { margin: 8px 0 0; color: var(--muted); line-height: 1.7; }
.problem-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 18px; }
.problem-photo { min-height: 560px; margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); }
.problem-photo img { width: 100%; height: 100%; object-fit: cover; }
.problem-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(0,0,0,.68),transparent 48%); }
.problem-photo figcaption { position: absolute; left: 24px; bottom: 22px; z-index: 2; color: #d8dcda; font-size: 12px; }
.layer-card { padding: clamp(26px,4vw,54px); display: flex; flex-direction: column; border-radius: var(--radius); background: var(--panel); }
.layer-copy span { color: var(--hot); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.layer-copy h3 { max-width: 470px; margin: 12px 0 26px; font-size: clamp(25px,3vw,42px); line-height: 1.05; letter-spacing: -.04em; }
.layers { margin: auto 0 28px; perspective: 900px; }
.layer { min-height: 66px; margin-top: -8px; padding: 18px 20px; display: flex; align-items: center; border: 1px solid rgba(255,255,255,.15); border-radius: 4px; transform: skewX(-6deg); box-shadow: 0 10px 22px rgba(0,0,0,.28); }
.layer span { transform: skewX(6deg); font-size: 11px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.layer-new { background: #343b39; }
.layer-old { min-height: 108px; background: repeating-linear-gradient(0deg,#201d1a 0,#201d1a 13px,#322a24 14px,#322a24 27px); }
.layer-base { background: #77746e; color: #121313; }
.water { height: 42px; margin: -6px 18px -2px; display: flex; align-items: center; gap: 8px; color: #ff9c59; font-size: 10px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.water i { width: 11px; height: 16px; border-radius: 60% 50% 62% 48%; background: #4ca6c8; transform: rotate(28deg); }
.water b { margin-left: auto; }
.layer-card > p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.technology { border-top: 1px solid var(--line); }
.steps { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5,1fr); list-style: none; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.steps li { min-height: 270px; padding: 24px; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: var(--panel); }
.steps li:last-child { border-right: 0; }
.steps li:hover { background: var(--panel-2); }
.steps span { color: var(--hot); font: 800 11px/1 monospace; }
.steps b { margin-top: auto; font-size: 21px; }
.steps p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.process-banner { min-height: 470px; margin-top: 18px; display: grid; grid-template-columns: 1.25fr .75fr; overflow: hidden; border-radius: var(--radius); background: var(--paper); color: #111; }
.process-banner img { width: 100%; height: 100%; object-fit: cover; }
.process-banner-copy { padding: clamp(28px,4vw,58px); display: flex; flex-direction: column; justify-content: center; }
.process-banner-copy > span { color: #d4421c; font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.process-banner-copy h3 { margin: 14px 0 18px; font-size: clamp(30px,3.6vw,54px); line-height: .98; letter-spacing: -.05em; text-transform: uppercase; }
.process-banner-copy p { margin: 0; color: #5d625f; line-height: 1.65; }

.media-section { width: 100%; max-width: none; padding: 120px max(32px,calc((100vw - 1320px)/2)); background: #f0eee7; color: #101313; }
.media-heading .section-index { color: #7b7e79; }
.media-heading > p:last-child { color: #626763; }
.video-grid { display: grid; grid-template-columns: 1.35fr .65fr; grid-template-rows: 640px; gap: 16px; }
.video-grid figure { margin: 0; position: relative; overflow: hidden; border-radius: 18px; background: #171a1a; }
.video-grid .video-main { min-height: 640px; }
.video-grid video { width: 100%; height: 100%; object-fit: cover; }
.video-grid figcaption { position: absolute; inset: auto 0 0; padding: 46px 20px 18px; display: flex; justify-content: space-between; gap: 16px; align-items: end; color: #fff; background: linear-gradient(0deg,rgba(0,0,0,.82),transparent); pointer-events: none; }
.video-grid figcaption b, .video-grid figcaption span { display: block; }
.video-grid figcaption b { font-size: 15px; }
.video-grid figcaption span { color: #c9cfcc; font-size: 10px; }

.finish { width: 100%; max-width: none; padding-left: max(32px,calc((100vw - 1320px)/2)); padding-right: max(32px,calc((100vw - 1320px)/2)); background: var(--hot); color: #12100e; }
.finish-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 8vw; align-items: center; }
.finish .section-index { color: rgba(0,0,0,.55); }
.finish h2 span { color: #fff5ec; }
.finish-lead { max-width: 670px; color: #3b241a; font-size: 18px; line-height: 1.65; }
.finish ul { margin: 30px 0; padding: 0; list-style: none; }
.finish li { padding: 16px 0; display: flex; gap: 14px; border-top: 1px solid rgba(0,0,0,.25); }
.finish li:last-child { border-bottom: 1px solid rgba(0,0,0,.25); }
.finish li i { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: #161412; color: var(--hot); font-size: 12px; font-style: normal; }
.finish li b, .finish li span { display: block; }
.finish li b { margin-bottom: 5px; }
.finish li span { color: #4b3024; font-size: 13px; line-height: 1.5; }
.product-card { min-height: 650px; position: relative; overflow: hidden; border-radius: var(--radius); background: #eae7df; }
.product-card img { width: 100%; height: 100%; object-fit: cover; }
.product-card > div { position: absolute; left: 22px; bottom: 22px; padding: 16px 18px; background: rgba(13,15,15,.88); color: #fff; backdrop-filter: blur(10px); }
.product-card span, .product-card b { display: block; }
.product-card span { margin-bottom: 7px; color: var(--hot); font-size: 9px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.product-card b { font-size: 20px; line-height: 1.05; }

.cases { border-top: 1px solid var(--line); }
.case-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.case-grid figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); background: var(--panel); }
.case-grid img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .5s ease; }
.case-grid figure:hover img { transform: scale(1.025); }
.case-grid figcaption { position: absolute; inset: auto 0 0; padding: 60px 24px 22px; color: #fff; background: linear-gradient(0deg,rgba(0,0,0,.88),transparent); }
.case-grid figcaption span, .case-grid figcaption b { display: block; }
.case-grid figcaption span { margin-bottom: 6px; color: var(--hot); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.case-grid figcaption b { font-size: 19px; }
.case-summary { padding: clamp(28px,4vw,58px); display: flex; flex-direction: column; justify-content: center; border-radius: var(--radius); background: var(--panel); }
.case-summary > span { color: var(--hot); font-size: 9px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.case-summary h3 { margin: 17px 0 18px; font-size: clamp(27px,3.2vw,46px); line-height: 1.02; letter-spacing: -.04em; text-transform: uppercase; }
.case-summary p { color: var(--muted); line-height: 1.65; }
.case-summary ul { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.case-summary li { padding: 12px 0; border-bottom: 1px solid var(--line); color: #cbd1ce; font-size: 12px; }

.fit { display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; border-top: 1px solid var(--line); }
.fit h2 { margin: 18px 0 26px; }
.fit-copy > p:last-child { color: var(--muted); line-height: 1.75; }
.fit-list { border-top: 1px solid var(--line); }
.fit-list div { padding: 25px 0; display: grid; grid-template-columns: 180px 1fr; gap: 24px; border-bottom: 1px solid var(--line); }
.fit-list span { color: var(--hot); font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.fit-list b { color: #d8dcda; font-size: 16px; line-height: 1.5; }

.faq { border-top: 1px solid var(--line); }
.faq-list { margin-left: 198px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { padding: 25px 0; display: flex; justify-content: space-between; gap: 20px; align-items: center; cursor: pointer; list-style: none; font-size: 18px; font-weight: 750; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--hot); font-size: 24px; transition: transform .2s ease; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { max-width: 800px; margin: 0; padding: 0 52px 26px 0; color: var(--muted); line-height: 1.7; }

.request { min-height: 620px; width: 100%; max-width: none; padding-left: max(32px,calc((100vw - 1320px)/2)); padding-right: max(32px,calc((100vw - 1320px)/2)); display: grid; grid-template-columns: 1fr .72fr; gap: 9vw; align-items: center; background: linear-gradient(105deg,rgba(11,13,13,.96),rgba(11,13,13,.8)), url("../assets/images/hero-equipment.webp") center/cover; }
.request-city { color: var(--hot); font-size: 10px; font-weight: 900; letter-spacing: .17em; text-transform: uppercase; }
.request h2 { margin: 16px 0 22px; }
.request h2 em { color: var(--hot); font-style: normal; }
.request-copy p { max-width: 650px; color: #aeb4b1; font-size: 17px; line-height: 1.65; }
.request-copy > a { display: inline-block; margin-top: 22px; color: #fff; font-size: 20px; font-weight: 850; text-decoration: none; }
.request form { padding: clamp(24px,3vw,42px); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); background: rgba(17,20,20,.82); backdrop-filter: blur(14px); }
.request label { display: block; margin-bottom: 18px; }
.request label span { display: block; margin-bottom: 8px; color: #aeb4b1; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.request input { width: 100%; height: 58px; padding: 0 15px; border: 1px solid #444b48; border-radius: 6px; outline: none; background: #0f1212; color: #fff; }
.request input:focus { border-color: var(--hot); }
.request form .button { width: 100%; margin-top: 6px; }
.request form small { display: block; margin-top: 14px; color: #7f8784; font-size: 10px; line-height: 1.5; }
.form-status { margin: 12px 0 0; color: #ffb18f; font-size: 12px; }

.site-footer { width: min(1320px,calc(100% - 64px)); margin: 0 auto; padding: 42px 0; display: grid; grid-template-columns: auto 1fr auto; gap: 40px; align-items: center; color: #8d9592; }
.site-footer > p { margin: 0; text-align: center; font-size: 12px; }
.site-footer > div { display: grid; gap: 7px; text-align: right; }
.site-footer > div a { color: #cdd2d0; font-size: 12px; text-decoration: none; }

.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1100px) {
  .nav { gap: 17px; }
  .nav a { font-size: 12px; }
  .header-phone { display: none; }
  .hero { grid-template-columns: 58% 42%; }
  .hero::before { inset-right: 42%; }
  .section-head, .section-head.compact { grid-template-columns: 130px 1fr; }
  .section-head > p:last-child { grid-column: 2; }
  .steps { grid-template-columns: repeat(3,1fr); }
  .steps li { border-bottom: 1px solid var(--line); }
  .steps li:nth-child(3) { border-right: 0; }
  .steps li:nth-child(4), .steps li:nth-child(5) { border-bottom: 0; }
  .faq-list { margin-left: 158px; }
}

@media (max-width: 820px) {
  .site-header { position: absolute; height: 72px; padding: 0 18px; }
  .menu-toggle { display: block; margin-left: auto; }
  .nav { position: fixed; inset: 72px 0 0; padding: 32px 24px; display: flex; flex-direction: column; align-items: stretch; gap: 0; background: #0d1010; transform: translateX(100%); transition: transform .28s ease; }
  .nav.is-open { transform: none; }
  .nav a { padding: 19px 0; border-bottom: 1px solid var(--line); color: #fff; font-size: 19px; }
  .nav-phone { display: block !important; color: var(--hot) !important; }
  .hero { min-height: auto; height: auto; max-height: none; display: block; padding-top: 72px; }
  .hero::before { inset: 72px 0 45% 0; }
  .hero-copy { padding: 62px 20px 50px; }
  h1 { font-size: clamp(50px,13vw,76px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-facts { margin-top: 38px; }
  .hero-media { height: 66vh; min-height: 480px; }
  .temperature { top: 22px; }
  .scroll-hint { display: none; }
  .section { width: min(100% - 32px,1320px); padding: 84px 0; }
  .section-head, .section-head.compact { display: block; }
  .section-index { margin-bottom: 18px; }
  .section-head > p:last-child { margin-top: 24px; }
  .problem-grid, .finish-grid, .fit, .request { grid-template-columns: 1fr; }
  .problem-photo { min-height: 440px; }
  .layer-card { min-height: 520px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li { min-height: 220px; border-right: 1px solid var(--line) !important; border-bottom: 1px solid var(--line) !important; }
  .steps li:nth-child(2n) { border-right: 0 !important; }
  .steps li:last-child { border-bottom: 0 !important; }
  .process-banner { grid-template-columns: 1fr; }
  .process-banner img { min-height: 360px; }
  .media-section, .finish, .request { width: 100%; padding: 84px 20px; }
  .video-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 520px; }
  .video-grid .video-main { min-height: 520px; }
  .video-grid figure:not(.video-main) { min-height: 520px; }
  .product-card { min-height: 560px; }
  .case-grid { grid-template-columns: 1fr; }
  .fit { gap: 50px; }
  .faq-list { margin-left: 0; }
  .request { min-height: 0; gap: 50px; }
  .site-footer { width: min(100% - 32px,1320px); grid-template-columns: 1fr; text-align: left; }
  .site-footer > p { text-align: left; }
  .site-footer > div { text-align: left; }
}

@media (max-width: 540px) {
  .brand b { font-size: 11px; }
  .brand-mark { width: 36px; height: 36px; }
  .hero-copy { padding-top: 48px; }
  .hero-lead { font-size: 16px; }
  .button { width: 100%; }
  .hero-actions { gap: 20px; }
  .hero-facts { flex-direction: column; }
  .hero-facts li { padding-top: 14px; }
  .hero-media { height: 520px; min-height: 0; }
  .section h2 { font-size: 42px; }
  .problem-photo { min-height: 330px; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li:nth-child(2n) { border-right: 0 !important; }
  .process-banner img { min-height: 270px; }
  .video-grid { display: block; }
  .video-grid figure, .video-grid .video-main { min-height: 430px; margin-bottom: 12px; }
  .video-grid figcaption { display: block; }
  .video-grid figcaption span { margin-top: 5px; }
  .product-card { min-height: 480px; }
  .fit-list div { grid-template-columns: 1fr; gap: 10px; }
  .request h2 { font-size: 46px; }
}