:root {
  --ink: #0f1d17;
  --ink-2: #44544c;
  --paper: #f6f3ec;
  --paper-2: #ebe6da;
  --pitch: #0f3d2e;
  --pitch-2: #15523d;
  --river: #1f5f8b;
  --sand: #e8b04a;
  --white: #ffffff;
  --radius: 18px;
  --gutter: clamp(16px, 4vw, 48px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 Manrope, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; width: 100%; height: 100%; object-fit: cover; }
h1, h2 { font-family: Unbounded, Manrope, sans-serif; font-weight: 700; line-height: 1.12; margin: 0 0 20px; letter-spacing: -0.01em; }
h1 { font-size: clamp(36px, 6.4vw, 84px); }
h2 { font-size: clamp(24px, 3.2vw, 42px); max-width: 22ch; }
p { margin: 0 0 14px; max-width: 62ch; }
.kicker { text-transform: uppercase; letter-spacing: .14em; font-size: 12.5px; font-weight: 700; color: var(--river); margin-bottom: 14px; }

/* шапка */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--gutter);
  background: rgba(15, 29, 23, .55); backdrop-filter: blur(10px);
  color: var(--white);
}
.brand { color: inherit; text-decoration: none; font-family: Unbounded, Manrope, sans-serif; font-weight: 700; font-size: 18px; letter-spacing: .02em; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.ball { width: 18px; height: 18px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff 0 38%, var(--sand) 39% 100%); }
.top nav { display: flex; gap: 18px; margin-left: auto; }
.top nav a { color: rgba(255,255,255,.85); text-decoration: none; font-weight: 600; font-size: 14.5px; }
.top nav a:hover { color: var(--sand); }
.deck-btn {
  border: 1px solid rgba(255,255,255,.4); background: transparent; color: var(--white);
  border-radius: 999px; padding: 8px 14px; font: 700 13.5px Manrope, sans-serif; cursor: pointer; white-space: nowrap;
}
.deck-btn:hover { background: var(--sand); color: var(--ink); border-color: var(--sand); }
.film-btn { background: var(--sand); color: var(--ink); border-radius: 999px; padding: 8px 16px; font: 800 13.5px Manrope, sans-serif; text-decoration: none; white-space: nowrap; }
.film-btn:hover { background: #f2c56d; }

/* слайды */
.slide { min-height: 100vh; padding: 110px 0 80px; display: flex; align-items: center; position: relative; }
.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
.dark { background: var(--pitch); color: var(--white); }
.dark .kicker { color: var(--sand); }
.dark p, .dark span { color: rgba(255,255,255,.82); }

/* hero */
.hero { color: var(--white); padding: 0; align-items: flex-end; overflow: hidden; }
.hero .bg { position: absolute; inset: 0; }
.hero .shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,20,15,.55) 0%, rgba(10,20,15,.3) 22%, rgba(10,20,15,.5) 48%, rgba(10,20,15,.9) 100%); }
.hero-text { position: relative; padding: 0 var(--gutter) 90px; max-width: 1200px; margin: 0 auto; width: 100%; }
.hero .kicker { color: var(--white); text-shadow: 0 1px 3px rgba(0,0,0,.7), 0 0 18px rgba(0,0,0,.45); }
.hero .hero-addr { position: absolute; top: clamp(56px, 10vh, 104px); left: 50%; transform: translateX(-50%); width: 100%; max-width: 1200px;
  padding: 0 var(--gutter); box-sizing: border-box; margin: 0; z-index: 1; }
.hero .lead { font-size: clamp(17px, 1.6vw, 21px); max-width: 52ch; color: rgba(255,255,255,.9); }
.hero-logo { width: clamp(200px, 26vw, 340px); height: auto; margin-bottom: 18px; filter: drop-shadow(0 1px 2px rgba(0,0,0,.8)) drop-shadow(0 2px 14px rgba(0,0,0,.55)); }
.hero-cta { margin: 26px 0 4px; }
.play { display: inline-flex; align-items: center; gap: 16px; padding: 12px 28px 12px 12px; border-radius: 999px; background: var(--sand); color: var(--ink);
  text-decoration: none; font-weight: 800; font-size: clamp(16px, 1.5vw, 19px); box-shadow: 0 14px 40px rgba(232,176,74,.35); transition: transform .2s; }
.play:hover { transform: translateY(-2px); }
.play small { display: block; font-weight: 600; font-size: 12.5px; opacity: .75; margin-left: 4px; }
.play .tri { width: 52px; height: 52px; border-radius: 50%; background: var(--ink); position: relative; flex: none; animation: pulse 2.4s ease-out infinite; }
.play .tri::after { content: ""; position: absolute; left: 21px; top: 16px; border-left: 16px solid var(--sand); border-top: 10px solid transparent; border-bottom: 10px solid transparent; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(15,29,23,.45); } 70% { box-shadow: 0 0 0 16px rgba(15,29,23,0); } 100% { box-shadow: 0 0 0 0 rgba(15,29,23,0); } }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.chips span { border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: 7px 14px; font-weight: 600; font-size: 14px; }
.scroll { position: absolute; bottom: 24px; right: var(--gutter); color: var(--white); text-decoration: none; font-size: 26px; }

/* сетки */
.two { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: center; }
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.facts li { background: var(--white); border-radius: var(--radius); padding: 18px 22px; display: grid; gap: 2px; }
.facts b { font-family: Unbounded, sans-serif; font-size: 26px; color: var(--pitch); }
.facts span { color: var(--ink-2); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 10px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 10px; }
.plan { margin: 0 0 24px; max-width: 760px; }
.plan { max-width: 1100px; }
.plan img { aspect-ratio: auto; object-fit: contain; background: #fff; }
.plan .zoom { display: block; cursor: zoom-in; }
figure { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--paper-2); position: relative; }
figure img, figure video { aspect-ratio: 4 / 3; height: auto; }
figcaption { padding: 12px 16px; font-size: 14.5px; color: var(--ink-2); background: var(--white); }
.dark figcaption { background: var(--pitch-2); color: rgba(255,255,255,.85); }
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.why div { border-left: 4px solid var(--pitch); padding: 6px 16px; display: grid; }
.why div + div { border-color: #b9b2a3; }
.why span { color: var(--ink-2); }
.media-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 10px 0 26px; }
.media-row.three { grid-template-columns: repeat(3, 1fr); }
.tall img, .tall video { aspect-ratio: 16 / 10; }
.wide img, .wide video { aspect-ratio: 21 / 9; }
.spec { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.spec div { border-top: 2px solid var(--sand); padding-top: 12px; display: grid; gap: 6px; }
.spec b { color: var(--white); }
.spec span { font-size: 15px; }
.list { margin: 0; padding-left: 20px; display: grid; gap: 6px; max-width: 80ch; }

/* цифры */
.nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 12px; }
.card { background: var(--pitch-2); border-radius: var(--radius); padding: 26px; display: grid; gap: 2px; align-content: start; }
.card .t { font-weight: 700; color: var(--sand) !important; margin-bottom: 10px; }
.card b { font-family: Unbounded, sans-serif; font-size: clamp(28px, 3vw, 40px); color: var(--white); }
.card b.sm { font-size: clamp(20px, 2vw, 26px); margin-top: 16px; }
.card.accent { background: var(--sand); }
.card.accent b, .card.accent span, .card.accent .t { color: var(--ink) !important; }
.note { margin-top: 22px; font-size: 14.5px; }

/* график */
.timeline { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 12px; counter-reset: s; }
.timeline li { background: var(--white); border-radius: 14px; padding: 16px 20px 16px 64px; position: relative; display: grid; grid-template-columns: 260px 1fr; gap: 16px; }
.timeline li::before { counter-increment: s; content: counter(s); position: absolute; left: 18px; top: 14px; width: 30px; height: 30px; border-radius: 50%; background: var(--paper-2); display: grid; place-items: center; font-weight: 800; }
.timeline li.hl { background: var(--pitch); color: var(--white); }
.timeline li.hl::before { background: var(--sand); color: var(--ink); }
.timeline span { color: inherit; opacity: .85; }

.contact { background: var(--river); color: var(--white); min-height: 60vh; }
.contact p { color: rgba(255,255,255,.88); }
.cta-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.cta-wrap a { display: inline-block; background: var(--sand); color: var(--ink); text-decoration: none; font-weight: 800; padding: 14px 26px; border-radius: 999px; }
.cta-wrap a:first-child { background: #25d366; color: #fff; }
.cta-wrap a.ghost { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,.5); }
.person { display: grid; gap: 4px; margin: 22px 0 22px; }
.person b { font-family: Unbounded, Manrope, sans-serif; font-size: clamp(20px, 2.4vw, 28px); }
.person span { color: rgba(255,255,255,.8); }
.person .phone { color: var(--white); font-family: Unbounded, Manrope, sans-serif; font-weight: 700; font-size: clamp(24px, 3.4vw, 40px); text-decoration: none; margin-top: 8px; }
.call-btn { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: var(--white); text-decoration: none;
  border: 1px solid rgba(255,255,255,.4); font-size: 16px; flex: none; }
.call-btn:hover { background: var(--sand); color: var(--ink); }
footer { padding: 22px var(--gutter) calc(22px + env(safe-area-inset-bottom)); font-size: 13px; color: var(--ink-2); background: var(--paper-2); }

/* мобильная лента разделов и плавающая кнопка видео */
.mnav { display: none; }
.film-fab { position: fixed; z-index: 25; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); display: none;
  background: var(--sand); color: var(--ink); font-weight: 800; font-size: 14px; text-decoration: none; padding: 10px 16px; border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0,0,0,.3); transform: translateY(120%); opacity: 0; transition: transform .35s, opacity .35s; }
body.past-hero .film-fab { transform: none; opacity: 1; }
body.past-hero.at-contact .film-fab { transform: translateY(120%); opacity: 0; }

/* ролики: кнопка, если браузер не дал запустить сам */
.vplay { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(10,20,15,.25); border: 0; cursor: pointer; color: #fff;
  font: 800 15px Manrope, sans-serif; z-index: 2; }
.vplay span { background: rgba(15,61,46,.9); padding: 12px 20px; border-radius: 999px; box-shadow: 0 8px 24px rgba(0,0,0,.3); }
.build-tag { position: absolute; left: 12px; top: 12px; z-index: 2; background: rgba(15,61,46,.88); color: #fff; font-weight: 800; font-size: 12.5px;
  padding: 6px 12px; border-radius: 999px; letter-spacing: .02em; }
.build-tag::before { content: "● "; color: #ff6b5e; animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .2; } }

/* появление при прокрутке */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }
figure.rv { transform: translateY(36px) scale(.97); }
figure.rv.in { transform: none; }
figure img.kb { transition: transform 9s ease-out; }
figure.in img.kb { transform: scale(1.06); }
.timeline { position: relative; }
.timeline::before { content: ""; position: absolute; left: 32px; top: 20px; bottom: 20px; width: 2px; background: var(--sand); transform: scaleY(0); transform-origin: top; transition: transform 1.6s ease; }
.timeline.in::before { transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv, figure.rv { opacity: 1; transform: none; transition: none; }
  .play .tri, .build-tag::before { animation: none; }
  figure img.kb { transition: none; }
}

/* режим презентации */
body.deck-mode { overflow: hidden; }
body.deck-mode .top nav { display: none; }
body.deck-mode main { height: 100vh; overflow-y: auto; scroll-snap-type: y mandatory; }
body.deck-mode .slide { scroll-snap-align: start; height: 100vh; min-height: 0; overflow: hidden; }
body.deck-mode footer { display: none; }

@media (max-width: 900px) {
  .top { padding: calc(10px + env(safe-area-inset-top)) var(--gutter) 10px; gap: 10px; }
  .top nav { display: none; }
  .deck-btn { display: none; }
  .call-btn { margin-left: auto; }
  /* лента разделов появляется под шапкой, когда первый экран прокручен */
  .mnav { display: flex; gap: 8px; overflow-x: auto; position: fixed; left: 0; right: 0; top: calc(56px + env(safe-area-inset-top)); z-index: 15;
    padding: 8px var(--gutter); background: rgba(246,243,236,.94); backdrop-filter: blur(10px); scrollbar-width: none; -webkit-overflow-scrolling: touch;
    transform: translateY(-140%); opacity: 0; transition: transform .35s, opacity .35s; box-shadow: 0 6px 16px rgba(0,0,0,.08); }
  body.past-hero .mnav { transform: none; opacity: 1; }
  .slide { scroll-margin-top: 110px; }
  .mnav::-webkit-scrollbar { display: none; }
  .mnav a { flex: none; padding: 7px 14px; border-radius: 999px; background: var(--white); color: var(--ink); text-decoration: none; font-weight: 700; font-size: 14px; }
  .mnav a:last-child { background: var(--sand); }
  .film-fab { display: block; }
  h1 { font-size: clamp(32px, 9.5vw, 46px); }
  h2 { font-size: clamp(22px, 6.4vw, 30px); }
  .hero-text { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .play { width: 100%; justify-content: flex-start; }
  .two, .grid2, .grid3, .why, .media-row, .media-row.three, .nums, .spec { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .slide { min-height: auto; padding: 96px 0 56px; }
  .hero { min-height: 100vh; min-height: 100svh; }
  body.deck-mode .slide { height: auto; min-height: 100vh; overflow: visible; }
}