:root {
  --ink: #171a1a;
  --ink-soft: #252b2e;
  --paper: #f4f6f7;
  --white: #fff;
  --muted: #5d6870;
  --line: #d8dee2;
  --accent: #2864ff;
  --accent-dark: #1846cf;
  --warm-light: #f5c76b;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --shadow: 0 24px 70px rgba(22, 35, 43, .14);
  --container: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Onest", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; padding: 10px 14px; background: var(--accent); color: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.topline { position: relative; z-index: 30; background: var(--ink); color: #c8cec9; font-size: 11px; letter-spacing: .02em; }
.topline__inner { min-height: 28px; display: flex; align-items: center; justify-content: space-between; }
.topline__inner span:last-child { color: var(--warm-light); }

.header { position: sticky; top: 0; z-index: 25; background: rgba(244, 246, 247, .93); border-bottom: 1px solid transparent; backdrop-filter: blur(18px); transition: border-color .25s, box-shadow .25s; }
.header.is-scrolled { border-color: rgba(21, 24, 22, .09); box-shadow: 0 10px 40px rgba(21, 24, 22, .06); }
.header__inner { height: 74px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.brand__mark { width: 48px; height: 48px; display: grid; place-items: center; flex: 0 0 auto; overflow: hidden; }
.brand__mark img { width: 100%; height: 100%; object-fit: contain; transform: scale(1.5); }
.brand__text { display: flex; flex-direction: column; font-size: 13px; font-weight: 800; line-height: 1.05; letter-spacing: -.01em; }
.brand__text small { margin-top: 5px; color: var(--muted); font-size: 10px; font-weight: 650; letter-spacing: .05em; }
.nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav a { position: relative; font-size: 13px; font-weight: 700; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--ink); transition: right .25s; }
.nav a:hover::after { right: 0; }
.nav__cta, .nav__meta { display: none; }
.header__actions { display: flex; align-items: center; gap: 20px; }
.phone-link { display: flex; flex-direction: column; text-align: right; font-size: 13px; font-weight: 800; line-height: 1.2; }
.phone-link small { margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 600; }
.menu-button { display: none; width: 42px; height: 42px; margin-left: auto; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.menu-button span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .25s; }

.button { min-height: 54px; padding: 0 23px; border: 1px solid transparent; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; gap: 17px; cursor: pointer; font-size: 14px; font-weight: 750; transition: transform .2s, background .2s, color .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .gallery-item:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid rgba(89, 92, 255, .35); outline-offset: 3px; }
.button--small { min-height: 43px; padding-inline: 18px; font-size: 12px; }
.button--dark { background: var(--ink); color: var(--white); }
.button--dark:hover { background: #303632; }
.button--accent { background: var(--accent); color: var(--white); box-shadow: 0 10px 28px rgba(40, 100, 255, .2); }
.button--accent:hover { background: var(--accent-dark); }
.button--ghost { border-color: rgba(21, 24, 22, .2); background: transparent; }
.button--ghost:hover { background: var(--white); border-color: var(--white); }
.button--outline-light { border-color: rgba(255,255,255,.35); color: var(--white); }
.button--outline-light:hover { background: var(--white); color: var(--ink); }
.button--full { width: 100%; }
.button svg { width: 20px; height: 20px; }

.hero { position: relative; overflow: hidden; padding: 52px 0 22px; background: var(--paper); }
.hero__grid { position: relative; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 52px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--accent-dark); font-size: 14px; font-weight: 650; letter-spacing: 0; text-transform: none; }
.eyebrow span { width: 28px; height: 2px; background: var(--accent-dark); }
.hero h1 { max-width: 660px; margin: 16px 0 20px; font-size: clamp(46px, 5vw, 70px); line-height: 1.01; letter-spacing: -.055em; }
.hero h1 span { display: block; }
.hero__lead { max-width: 590px; margin: 0; color: #555c57; font-size: 18px; }
.hero__buttons { display: flex; gap: 12px; margin-top: 27px; }
.hero__points { display: flex; flex-wrap: wrap; justify-content: start; gap: 10px 22px; margin: 24px 0 0; padding: 0; list-style: none; }
.hero__points li { display: flex; align-items: center; gap: 8px; color: #4e5550; font-size: 12px; font-weight: 700; }
.hero__points svg { width: 18px; height: 18px; padding: 3px; border-radius: 50%; background: var(--white); color: var(--accent); }
.hero__visual { position: relative; padding: 0 0 26px; }
.hero__photo { position: relative; height: min(58vh, 590px); min-height: 460px; margin: 0; overflow: hidden; border-radius: 4px; clip-path: polygon(0 0, 100% 0, 100% 84%, 84% 100%, 0 100%); box-shadow: var(--shadow); background: #c9ccc8; }
.hero__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(7, 12, 8, .36)); }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 48%; transition: transform 1s cubic-bezier(.2,.7,.2,1); }
.hero__visual:hover .hero__photo img { transform: scale(1.025); }
.hero__label { position: absolute; left: -20px; bottom: 0; display: flex; align-items: center; gap: 13px; min-width: 212px; padding: 15px 18px; border-radius: 6px; background: var(--white); box-shadow: 0 18px 50px rgba(20, 35, 45, .14); }
.hero__label-dot { width: 13px; height: 13px; border: 4px solid #dbe5ff; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px #eef3ff; }
.hero__label strong, .hero__label small { display: block; }
.hero__label strong { font-size: 12px; }
.hero__label small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.facts { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 34px; border-top: 1px solid var(--line); }
.fact { display: flex; gap: 15px; padding: 18px 34px 2px 0; }
.fact + .fact { padding-left: 34px; border-left: 1px solid var(--line); }
.fact > span { width: 26px; height: 2px; margin-top: 10px; flex: 0 0 auto; background: var(--accent); }
.fact p { margin: 0; }
.fact strong, .fact small { display: block; }
.fact strong { font-size: 14px; }
.fact small { margin-top: 5px; color: var(--muted); font-size: 11px; }

.section { padding: 92px 0; }
.section-heading { display: grid; grid-template-columns: 1.1fr .55fr; align-items: end; gap: 52px; margin-bottom: 44px; }
.section-heading h2 { margin: 11px 0 0; font-size: clamp(38px, 4.4vw, 62px); line-height: 1.02; letter-spacing: -.055em; }
.section-heading > p { margin: 0 0 8px; color: var(--muted); font-size: 15px; }
.services { background: #fff; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #dfe4e7; border-radius: 4px; overflow: hidden; }
.service-card { position: relative; min-height: 320px; padding: 27px 25px; display: flex; flex-direction: column; background: #fff; }
.service-card + .service-card { border-left: 1px solid #dfe4e7; }
.service-card--feature { background: var(--ink); color: var(--white); }
.service-card__number { align-self: flex-end; color: #a6aca7; font-size: 10px; font-weight: 800; }
.service-card__icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 6px; background: var(--paper); color: var(--ink); }
.service-card--feature .service-card__icon { background: var(--accent); color: var(--white); }
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 { margin: 22px 0 9px; font-size: 19px; letter-spacing: -.025em; }
.service-card p { margin: 0; color: var(--muted); font-size: 13px; }
.service-card--feature p { color: #bfc5c0; }
.service-card a { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 24px; color: var(--accent-dark); font-size: 12px; font-weight: 700; text-transform: none; letter-spacing: 0; }
.service-card--feature a { color: #9db7ff; }

.works { overflow: hidden; background: var(--ink); color: var(--white); }
.section-heading--light .section-kicker, .works .section-heading > p { color: #aeb5af; }
.project-story { margin-bottom: 48px; padding: 16px; border: 1px solid #394044; border-radius: 8px; background: #1d2224; }
.project-story__header { display: grid; grid-template-columns: 165px 1fr 300px; align-items: end; gap: 28px; padding: 13px 10px 22px; }
.project-story__number { align-self: start; display: flex; align-items: center; gap: 10px; color: #aeb8be; font-size: 11px; font-weight: 650; letter-spacing: 0; text-transform: none; }
.project-story__number span { width: 24px; height: 1px; background: var(--accent); }
.project-story__header h3 { margin: 0; font-size: clamp(30px, 3.2vw, 46px); line-height: 1.02; letter-spacing: -.045em; }
.project-story__header p { margin: 0 0 3px; color: #aeb5af; font-size: 12px; }
.panorama { height: 480px; display: flex; gap: 5px; overflow: hidden; border-radius: 4px; background: #0d100e; }
.panorama-shot { position: relative; min-width: 0; flex: 1 1 0; padding: 0; overflow: hidden; border: 0; background: #252a27; color: var(--white); cursor: zoom-in; transition: flex .7s cubic-bezier(.2,.7,.2,1), filter .35s; }
.panorama-shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(4,7,5,.18), transparent 45%, rgba(4,7,5,.84)); }
.panorama-shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1), opacity .35s; }
.panorama-shot:nth-child(1) img { object-position: 42% center; }
.panorama-shot:nth-child(2) img { object-position: 54% center; }
.panorama-shot:nth-child(3) img { object-position: 56% center; }
.panorama:has(.panorama-shot:hover) .panorama-shot:not(:hover) { flex: .7 1 0; filter: saturate(.65); }
.panorama-shot:hover, .panorama-shot:focus-visible { flex: 2.15 1 0; }
.panorama-shot:hover img, .panorama-shot:focus-visible img { transform: scale(1.035); }
.panorama-shot__index { position: absolute; z-index: 2; left: 20px; top: 19px; width: 33px; height: 33px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.46); border-radius: 50%; background: rgba(11,14,12,.28); backdrop-filter: blur(8px); font-size: 9px; font-weight: 800; }
.panorama-shot__caption { position: absolute; z-index: 2; left: 21px; right: 21px; bottom: 20px; text-align: left; white-space: nowrap; }
.panorama-shot__caption b, .panorama-shot__caption small { display: block; }
.panorama-shot__caption b { font-size: 13px; }
.panorama-shot__caption small { margin-top: 4px; color: #c3cac4; font-size: 9px; }
.project-story__footer { min-height: 44px; padding: 13px 9px 0; display: flex; align-items: center; justify-content: space-between; color: #aeb8be; font-size: 10px; font-weight: 600; letter-spacing: 0; text-transform: none; }
.project-story__footer > span { display: flex; align-items: center; gap: 9px; }
.project-story__footer i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(40,100,255,.14); }
.project-story__hint b { color: var(--accent); font-size: 15px; }
.hint-mobile { display: none; }
.case-progress { margin-bottom: 48px; padding: 24px; border: 1px solid #394044; border-radius: 8px; background: #171b1c; }
.case-progress__header { display: grid; grid-template-columns: 1fr 360px; align-items: end; gap: 45px; padding: 7px 4px 24px; }
.case-progress__header span { color: #9db7ff; font-size: 11px; font-weight: 700; }
.case-progress__header h3 { margin: 9px 0 0; font-size: clamp(30px, 3.2vw, 46px); line-height: 1.02; letter-spacing: -.045em; }
.case-progress__header p { margin: 0 0 3px; color: #aeb5af; font-size: 12px; }
.case-progress__feature { height: 390px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; overflow: hidden; border-radius: 4px; background: #0d100e; }
.case-progress__shot, .case-progress__thumb { position: relative; min-width: 0; padding: 0; overflow: hidden; border: 0; background: #252a27; color: var(--white); cursor: zoom-in; }
.case-progress__shot img, .case-progress__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease, opacity .35s ease; }
.case-progress__shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(4,7,5,.7)); }
.case-progress__shot > span { position: absolute; z-index: 1; left: 18px; bottom: 16px; padding: 7px 10px; border-radius: 4px; background: rgba(13,16,14,.74); backdrop-filter: blur(8px); font-size: 11px; font-weight: 750; }
.case-progress__shot:hover img, .case-progress__thumb:hover img { transform: scale(1.025); opacity: .9; }
.case-progress__rail { margin-top: 7px; padding-bottom: 8px; display: grid; grid-auto-flow: column; grid-auto-columns: 168px; gap: 7px; overflow-x: auto; scroll-snap-type: x proximity; scrollbar-color: #59615c #252a27; scrollbar-width: thin; }
.case-progress__thumb { height: 122px; scroll-snap-align: start; border-radius: 3px; }
.case-progress__thumb > span { position: absolute; left: 8px; bottom: 8px; padding: 4px 7px; border-radius: 3px; background: rgba(13,16,14,.76); color: #dce1dd; font-size: 9px; font-weight: 750; }
.case-progress__footer { padding: 7px 3px 0; display: flex; justify-content: space-between; gap: 20px; color: #929a93; font-size: 9px; }
.case-progress__shot:focus-visible, .case-progress__thumb:focus-visible { outline: 3px solid rgba(89,92,255,.55); outline-offset: -3px; }
.gallery-heading { margin: 0 0 18px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.gallery-heading span { font-size: 18px; font-weight: 800; }
.gallery-heading p { margin: 0; color: #929a93; font-size: 10px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 14px; }
.gallery-item { min-width: 0; padding: 0; display: grid; gap: 11px; border: 0; background: transparent; color: var(--white); cursor: zoom-in; text-align: left; }
.gallery-item img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 4px; background: #303531; transition: transform .35s ease, opacity .35s ease; }
.gallery-item:nth-child(2) img { object-position: 50% 28%; }
.gallery-item:hover img { transform: translateY(-3px); opacity: .9; }
.gallery-item > span { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; pointer-events: none; }
.gallery-item b { font-size: 13px; }
.gallery-item small { color: #9fa7a1; font-size: 10px; text-align: right; }

.steps { background: var(--paper); }
.steps-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid #cfd2cb; }
.steps-list li { position: relative; padding: 31px 34px 0 0; }
.steps-list li + li { padding-left: 34px; border-left: 1px solid #cfd2cb; }
.steps-list li > span { position: absolute; right: 20px; top: 18px; color: #a0a6a1; font-size: 10px; font-weight: 800; }
.steps-list__icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; background: var(--white); box-shadow: 0 9px 25px rgba(21,24,22,.07); }
.steps-list__icon svg { width: 23px; height: 23px; }
.steps-list h3 { margin: 27px 0 10px; font-size: 19px; }
.steps-list p { margin: 0; color: var(--muted); font-size: 13px; }

.estimate { position: relative; overflow: hidden; background: #e7edf1; }
.estimate::before { content: ""; position: absolute; left: -9vw; top: 11%; width: 39vw; height: 39vw; border: 1px solid rgba(21,24,22,.08); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.12), 0 0 0 140px rgba(255,255,255,.08); }
.estimate__grid { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; gap: 58px; align-items: center; }
.estimate__intro h2 { margin: 16px 0 22px; font-size: clamp(42px, 5vw, 70px); line-height: 1.02; letter-spacing: -.055em; }
.estimate__intro > p { max-width: 500px; margin: 0; color: var(--muted); }
.estimate__promise { display: flex; gap: 14px; margin-top: 32px; padding-top: 23px; border-top: 1px solid rgba(21,24,22,.15); }
.estimate__promise svg { width: 28px; height: 28px; flex: 0 0 auto; }
.estimate__promise strong, .estimate__promise small { display: block; }
.estimate__promise strong { font-size: 13px; }
.estimate__promise small { max-width: 330px; margin-top: 5px; color: var(--muted); font-size: 11px; }
.estimate-form { padding: 34px; border-radius: 10px; background: var(--white); box-shadow: 0 18px 55px rgba(22,35,43,.09); }
.form-row--area { display: grid; grid-template-columns: 1fr auto; align-items: center; }
.form-row label, fieldset legend { font-size: 13px; font-weight: 800; }
.form-row output { min-width: 68px; padding: 8px 12px; border-radius: 10px; background: var(--paper); text-align: center; font-size: 13px; font-weight: 800; }
input[type="range"] { grid-column: 1 / -1; width: 100%; height: 5px; margin: 25px 0 8px; accent-color: var(--ink); }
.range-labels { grid-column: 1 / -1; display: flex; justify-content: space-between; color: #9ca19d; font-size: 10px; }
.estimate-form fieldset { margin: 30px 0 0; padding: 0; border: 0; }
.estimate-form legend { margin-bottom: 14px; }
.fieldset-hint { display: block; margin: -8px 0 14px; color: var(--muted); font-size: 10px; }
.choice-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.choice input, .check input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { min-height: 48px; padding: 8px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); font-size: 11px; font-weight: 700; text-align: center; cursor: pointer; transition: .2s; }
.choice input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--white); }
.choice input[type="checkbox"]:checked + span::after { content: "✓"; margin-left: 7px; color: #9db7ff; font-size: 10px; }
.choice input:focus-visible + span, .check input:focus-visible + span { outline: 3px solid rgba(89,92,255,.25); outline-offset: 2px; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 15px; }
.check span { display: flex; align-items: center; gap: 9px; color: #555b57; font-size: 11px; font-weight: 600; cursor: pointer; }
.check i { position: relative; width: 18px; height: 18px; flex: 0 0 auto; border: 1px solid #bfc4be; border-radius: 5px; }
.check input:checked + span i { border-color: var(--ink); background: var(--accent); }
.check input:checked + span i::after { content: ""; position: absolute; left: 5px; top: 2px; width: 5px; height: 9px; border: solid var(--ink); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.contact-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 31px; }
.contact-fields label > span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 10px; font-weight: 700; }
.contact-fields input { width: 100%; height: 51px; padding: 0 15px; border: 1px solid var(--line); border-radius: 12px; background: #fafaf7; outline: 0; font-size: 13px; transition: border-color .2s, box-shadow .2s; }
.contact-fields input:focus { border-color: #777f79; box-shadow: 0 0 0 3px rgba(21,24,22,.06); }
.consent { display: flex; align-items: flex-start; gap: 9px; margin: 17px 0; color: var(--muted); font-size: 9px; line-height: 1.4; }
.consent input { margin: 1px 0 0; accent-color: var(--ink); }
.consent a { border-bottom: 1px solid currentColor; }
.form-status { min-height: 0; margin: 12px 0 0; color: var(--accent-dark); font-size: 11px; text-align: center; }

.advantages { background: var(--white); }
.advantages__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.advantages__photo { position: relative; height: 540px; overflow: hidden; border-radius: 4px; }
.advantages__photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 65%, rgba(8,12,9,.22)); }
.advantages__photo img { width: 100%; height: 100%; object-fit: cover; }
.advantages__stamp { position: absolute; z-index: 2; right: 25px; bottom: 25px; min-width: 150px; padding: 16px 18px; display: grid; place-content: center; border-radius: 4px; background: var(--accent); color: var(--white); text-align: left; transform: none; }
.advantages__stamp b { font-size: 23px; font-weight: 700; line-height: 1; }
.advantages__stamp span { margin-top: 4px; font-size: 10px; font-weight: 650; letter-spacing: 0; text-transform: none; }
.advantages__content h2 { margin: 12px 0 34px; font-size: clamp(40px, 4.2vw, 58px); line-height: 1.02; letter-spacing: -.05em; }
.advantages-list { border-top: 1px solid var(--line); }
.advantages-list > div { display: block; padding: 24px 0; border-bottom: 1px solid var(--line); }
.advantages-list p { margin: 0; }
.advantages-list strong, .advantages-list small { display: block; }
.advantages-list strong { font-size: 15px; }
.advantages-list small { margin-top: 7px; color: var(--muted); font-size: 12px; }

.faq { background: var(--paper); }
.faq__grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 74px; }
.faq__intro { align-self: start; position: sticky; top: 130px; }
.faq__intro h2 { margin: 15px 0 21px; font-size: clamp(39px, 4vw, 58px); line-height: 1.04; letter-spacing: -.05em; }
.faq__intro p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 18px; margin-top: 15px; padding-bottom: 5px; border-bottom: 1px solid; font-size: 12px; font-weight: 800; }
.faq-list { border-top: 1px solid #c9cdc6; }
.faq-list details { border-bottom: 1px solid #c9cdc6; }
.faq-list summary { position: relative; padding: 27px 50px 27px 0; list-style: none; cursor: pointer; font-size: 15px; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span, .faq-list summary span::after { position: absolute; right: 4px; top: 50%; width: 16px; height: 1px; background: var(--ink); transition: transform .25s; }
.faq-list summary span::after { content: ""; right: 0; top: 0; transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 670px; margin: -6px 0 27px; color: var(--muted); font-size: 13px; }

.final-cta { padding: 64px 0; background: var(--ink); color: var(--white); }
.final-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.final-cta__inner > div:first-child { max-width: 660px; }
.final-cta__inner > div > span { color: #9db7ff; font-size: 13px; font-weight: 650; text-transform: none; letter-spacing: 0; }
.final-cta h2 { margin: 12px 0 10px; font-size: clamp(38px, 4.6vw, 64px); line-height: 1; letter-spacing: -.05em; }
.final-cta p { margin: 0; color: #b9c0ba; font-size: 13px; }
.final-cta__actions { display: flex; gap: 12px; flex: 0 0 auto; }

.footer { padding: 48px 0 24px; background: #0e110f; color: var(--white); }
.brand--light .brand__text small { color: #858c86; }
.brand--light .brand__mark { border-radius: 5px; background: var(--white); }
.footer__top { display: flex; justify-content: space-between; gap: 60px; align-items: start; padding-bottom: 38px; }
.footer__contacts { display: grid; grid-template-columns: repeat(3, auto); gap: 70px; }
.footer__contacts > div > span { display: block; margin-bottom: 10px; color: #8f999f; font-size: 10px; font-weight: 650; text-transform: none; letter-spacing: 0; }
.footer__contacts a, .footer__contacts p { margin: 0; font-size: 12px; font-weight: 700; }
.footer__bottom { padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #292e2b; color: #747b76; font-size: 9px; }
.footer__bottom p { margin: 0; }
.footer__bottom a { border-bottom: 1px solid #484e4a; }
.mobile-cta { display: none; }

.lightbox { width: min(96vw, 1180px); max-width: none; height: min(91vh, 850px); padding: 0; overflow: visible; border: 0; border-radius: 20px; background: #0d100e; color: var(--white); box-shadow: 0 30px 100px rgba(0,0,0,.5); }
.lightbox::backdrop { background: rgba(6,8,7,.86); backdrop-filter: blur(10px); }
.lightbox figure { width: 100%; height: 100%; margin: 0; display: flex; flex-direction: column; }
.lightbox figure img { width: 100%; min-height: 0; flex: 1; object-fit: contain; }
.lightbox figcaption { padding: 14px 20px 18px; color: #c2c8c3; font-size: 12px; text-align: center; }
.lightbox button { position: absolute; z-index: 2; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; background: rgba(12,15,13,.7); color: var(--white); cursor: pointer; }
.lightbox__close { right: 12px; top: 12px; width: 42px; height: 42px; font-size: 28px; }
.lightbox__prev, .lightbox__next { top: 50%; width: 46px; height: 46px; font-size: 21px; transform: translateY(-50%); }
.lightbox__prev { left: 12px; }
.lightbox__next { right: 12px; }
.toast { position: fixed; z-index: 100; left: 50%; bottom: 25px; max-width: calc(100% - 30px); padding: 12px 18px; border-radius: 12px; background: var(--ink); color: var(--white); box-shadow: var(--shadow); font-size: 12px; opacity: 0; pointer-events: none; transform: translate(-50%, 20px); transition: .25s; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

.reveal, .reveal.is-visible { opacity: 1; transform: none; transition: none; }

.policy-page { min-height: 100vh; background: var(--paper); }
.policy-header { padding: 26px 0; border-bottom: 1px solid var(--line); }
.policy-header .container { display: flex; justify-content: space-between; align-items: center; }
.policy-back { font-size: 12px; font-weight: 800; }
.policy { width: min(calc(100% - 48px), 820px); margin: 0 auto; padding: 70px 0 100px; }
.policy h1 { margin: 0 0 35px; font-size: clamp(38px, 6vw, 64px); line-height: 1.03; letter-spacing: -.055em; }
.policy h2 { margin: 38px 0 12px; font-size: 21px; }
.policy p, .policy li { color: #555d57; font-size: 14px; }
.policy-note { padding: 17px 20px; border-left: 4px solid var(--accent-dark); background: var(--white); }

@media (max-width: 1100px) {
  .nav { gap: 18px; }
  .nav a { font-size: 12px; }
  .phone-link { display: none; }
  .hero__grid { gap: 38px; }
  .hero__visual { padding-right: 12px; }
  .hero__label { left: -12px; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card:nth-child(3) { border-left: 0; border-top: 1px solid #e2e4df; }
  .service-card:nth-child(4) { border-top: 1px solid #e2e4df; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .steps-list { grid-template-columns: 1fr 1fr; }
  .steps-list li:nth-child(3) { padding-left: 0; border-left: 0; }
  .steps-list li:nth-child(n+3) { margin-top: 34px; padding-top: 30px; border-top: 1px solid #cfd2cb; }
  .estimate__grid { gap: 45px; }
  .estimate-form { padding: 32px; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .advantages__grid { gap: 50px; }
  .faq__grid { gap: 60px; }
  .footer__contacts { gap: 35px; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 75px; }
  .container { width: min(calc(100% - 30px), var(--container)); }
  .topline__inner span:first-child { display: none; }
  .topline__inner { justify-content: center; min-height: 27px; }
  .header__inner { height: 68px; }
  .header__actions, .nav { display: none; }
  .menu-button { display: block; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  body.menu-open .header { background: var(--paper); backdrop-filter: none; }
  .nav.is-open { position: absolute; z-index: 5; top: 100%; left: 0; right: 0; height: var(--menu-height, calc(100dvh - 95px)); display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 24px max(24px, calc((100vw - var(--container)) / 2)) 18px; overflow-y: auto; overscroll-behavior: contain; background: var(--paper); border-top: 1px solid var(--line); box-shadow: 0 24px 50px rgba(21, 24, 22, .12); }
  .nav.is-open > a:not(.nav__cta) { flex: 0 0 auto; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 18px; line-height: 1.35; }
  .nav.is-open a::after { display: none; }
  .nav.is-open .nav__cta { min-height: 54px; margin-top: auto; padding: 0 18px; display: flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--accent); color: var(--white); font-size: 13px; font-weight: 750; text-align: center; }
  .nav.is-open .nav__meta { margin-top: 13px; display: block; color: var(--muted); font-size: 10px; font-weight: 650; text-align: center; }
  .hero { min-height: 0; padding: 48px 0 26px; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__content { display: contents; }
  .eyebrow, .hero h1, .hero__lead, .hero__buttons, .hero__points { grid-column: 1; }
  .hero__visual { grid-row: 4; margin: 4px 0 8px; padding: 0; }
  .hero h1 { margin-top: 15px; }
  .hero__photo { height: 62vw; min-height: 340px; border-radius: 4px; }
  .hero__label { left: 12px; bottom: -18px; }
  .hero__buttons { margin-top: 15px; }
  .hero__points { margin-top: 15px; }
  .facts { margin-top: 38px; }
  .section { padding: 68px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 34px; }
  .section-heading > p { max-width: 560px; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .project-story__header { grid-template-columns: 1fr 270px; }
  .project-story__number { grid-column: 1 / -1; }
  .panorama { height: 450px; }
  .case-progress__header { grid-template-columns: 1fr; gap: 14px; }
  .case-progress__header p { max-width: 580px; }
  .case-progress__feature { height: 350px; }
  .estimate__grid { grid-template-columns: 1fr; }
  .estimate__intro > p { max-width: 650px; }
  .advantages__grid { grid-template-columns: 1fr; }
  .advantages__photo { height: 67vw; min-height: 460px; }
  .faq__grid { grid-template-columns: 1fr; }
  .faq__intro { position: static; }
  .final-cta__inner { align-items: flex-start; flex-direction: column; }
  .footer__top { flex-direction: column; }
  .footer__contacts { width: 100%; }
}

@media (max-width: 580px) {
  body { padding-bottom: 68px; }
  .brand__mark { width: 40px; height: 40px; }
  .brand__text { font-size: 12px; }
  .hero { padding: 30px 0 18px; }
  .hero__grid { gap: 22px; }
  .hero__content { display: block; }
  .hero__visual { grid-row: auto; margin: 0 0 7px; }
  .hero h1 { margin: 13px 0 16px; font-size: 38px; letter-spacing: -.045em; }
  .hero__lead { font-size: 15px; }
  .hero__buttons { display: grid; grid-template-columns: 1fr; margin-top: 21px; }
  .hero__buttons .button--accent { width: 100%; }
  .hero__buttons .button--ghost { display: none; }
  .hero__points { display: none; }
  .hero__photo { height: 84vw; min-height: 320px; max-height: 380px; }
  .hero__photo img { object-position: 57% center; }
  .hero__label { min-width: 200px; padding: 14px 16px; }
  .facts { grid-template-columns: 1fr; }
  .fact, .fact + .fact { padding: 13px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .fact > span { width: 20px; }
  .section { padding: 52px 0; }
  .section-heading { margin-bottom: 28px; }
  .section-heading h2, .advantages__content h2, .faq__intro h2, .estimate__intro h2 { font-size: 35px; }
  .service-grid { grid-template-columns: 1fr; border-radius: 4px; }
  .service-card { min-height: 0; padding: 20px; display: grid; grid-template-columns: 48px 1fr; column-gap: 15px; row-gap: 5px; }
  .service-card + .service-card, .service-card:nth-child(3) { border-left: 0; border-top: 1px solid #e2e4df; }
  .service-card__icon { grid-column: 1; grid-row: 1 / 4; width: 48px; height: 48px; margin: 0; }
  .service-card h3, .service-card p, .service-card a { grid-column: 2; }
  .service-card h3 { margin: 0; font-size: 17px; }
  .service-card p { font-size: 12px; }
  .service-card a { margin-top: 6px; padding-top: 0; justify-content: flex-start; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 10px; }
  .gallery-item { gap: 8px; }
  .gallery-item > span { display: block; }
  .gallery-item b, .gallery-item small { display: block; }
  .gallery-item b { font-size: 12px; }
  .gallery-item small { margin-top: 2px; font-size: 9px; text-align: left; }
  .project-story { margin-inline: -5px; margin-bottom: 32px; padding: 10px; border-radius: 6px; }
  .project-story__header { grid-template-columns: 1fr; gap: 10px; padding: 10px 8px 17px; }
  .project-story__number { grid-column: auto; }
  .project-story__header h3 { font-size: 29px; }
  .project-story__header p { font-size: 11px; }
  .panorama { height: 300px; justify-content: flex-start; gap: 8px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; border-radius: 4px; }
  .panorama::-webkit-scrollbar { display: none; }
  .panorama-shot, .panorama-shot:hover, .panorama-shot:focus-visible, .panorama:has(.panorama-shot:hover) .panorama-shot:not(:hover) { min-width: 0; flex: 0 0 84%; filter: none; scroll-snap-align: center; }
  .panorama-shot:first-child { scroll-snap-align: start; }
  .panorama-shot:last-child { scroll-snap-align: end; }
  .project-story__footer { padding-inline: 7px; }
  .project-story__footer > span:first-child { display: none; }
  .hint-desktop { display: none; }
  .hint-mobile { display: inline; }
  .case-progress { margin-inline: -5px; margin-bottom: 32px; padding: 10px; border-radius: 6px; }
  .case-progress__header { gap: 9px; padding: 10px 8px 17px; }
  .case-progress__header h3 { font-size: 29px; }
  .case-progress__header p { font-size: 11px; }
  .case-progress__feature { height: 270px; display: flex; gap: 8px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .case-progress__feature::-webkit-scrollbar { display: none; }
  .case-progress__shot { flex: 0 0 86%; scroll-snap-align: center; }
  .case-progress__shot:first-child { scroll-snap-align: start; }
  .case-progress__shot:last-child { scroll-snap-align: end; }
  .case-progress__rail { grid-auto-columns: 122px; }
  .case-progress__thumb { height: 92px; }
  .case-progress__footer span:first-child { display: none; }
  .case-progress__footer { justify-content: flex-end; }
  .gallery-heading { align-items: start; flex-direction: column; gap: 3px; }
  .steps-list { grid-template-columns: 1fr; }
  .steps-list li, .steps-list li + li, .steps-list li:nth-child(3) { margin-top: 0; padding: 18px 0; display: grid; grid-template-columns: 42px 1fr; column-gap: 14px; border-left: 0; border-top: 0; border-bottom: 1px solid #cfd2cb; }
  .steps-list li:first-child { border-top: 1px solid #cfd2cb; }
  .steps-list__icon { grid-column: 1; grid-row: 1 / 3; width: 42px; height: 42px; }
  .steps-list h3, .steps-list p { grid-column: 2; }
  .steps-list h3 { margin: 0 0 6px; font-size: 17px; }
  .steps-list p { font-size: 12px; }
  .steps-list li > span { top: 17px; right: 0; }
  .estimate::before { display: none; }
  .estimate__grid { gap: 25px; }
  .estimate__intro h2 { margin: 10px 0 15px; }
  .estimate__promise { margin-top: 24px; padding-top: 20px; }
  .estimate-form { padding: 25px 18px; border-radius: 8px; }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .check-grid, .contact-fields { grid-template-columns: 1fr; }
  .advantages__grid { gap: 30px; }
  .advantages__content { order: 1; }
  .advantages__photo { order: 2; height: 235px; min-height: 0; }
  .advantages__stamp { right: 14px; bottom: 14px; min-width: 128px; padding: 13px 15px; }
  .advantages__content h2 { margin-bottom: 25px; }
  .advantages-list > div { padding: 18px 0; }
  .final-cta { padding: 46px 0; }
  .final-cta__actions { width: 100%; display: grid; }
  .footer { padding-top: 40px; }
  .footer__top { gap: 28px; padding-bottom: 30px; }
  .footer__contacts { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
  .footer__contacts a { font-size: 10px; white-space: nowrap; letter-spacing: -.02em; }
  .footer__contacts > div:last-child { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; gap: 10px; }
  .mobile-cta { position: fixed; z-index: 20; left: 10px; right: 10px; bottom: 9px; height: 54px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-radius: 8px; background: var(--accent); color: var(--white); box-shadow: 0 15px 45px rgba(22,35,43,.28); font-size: 13px; font-weight: 750; opacity: 0; pointer-events: none; transform: translateY(80px); transition: opacity .22s ease, transform .22s ease; }
  .mobile-cta.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
  body.menu-open .mobile-cta { opacity: 0; pointer-events: none; transform: translateY(80px); }
  .mobile-cta b { font-size: 10px; text-transform: none; letter-spacing: 0; }
  .lightbox { width: calc(100vw - 18px); height: 78vh; }
}

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