/* ============================================================
   Chill Client — оформление сайта
   Тёмная база, ледяной акцент, стекло. Токены → примитивы → секции.
   ============================================================ */

/* ---------- 1. Токены ---------- */
:root {
  --bg: #05060a;
  --bg-2: #080a11;
  --bg-3: #0c0f18;

  --ink: #f2f5fa;
  --sub: #9aa3b2;
  --faint: #7c8696;

  --ice: #5cd7ff;
  --ice-deep: #1e86ff;
  --mint: #33d6cd;
  --warn: #ffb648;
  --ok: #68e2a4;
  --bad: #ff6b6b;

  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.04);
  --glass-2: rgba(255, 255, 255, 0.07);

  --radius-s: 10px;
  --radius: 18px;
  --radius-l: 28px;

  /* Плотность: разреженная сетка маркетинга */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 40px;
  --s-5: 64px;
  --s-6: 96px;
  --s-7: 140px;

  --maxw: 1200px;
  --pad: 24px;

  /* Один тайминг на весь сайт */
  --t-fast: 180ms;
  --t: 260ms;
  --t-slow: 520ms;
  --ease: cubic-bezier(0.16, 0.84, 0.28, 1);
  --ease-back: cubic-bezier(0.34, 1.4, 0.5, 1);

  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

/* ---------- 2. База ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* Фиксированная шапка не должна накрывать якоря */
  scroll-padding-top: 104px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

/* hidden должен побеждать display у компонентов, иначе скрытые экраны остаются на виду */
[hidden] { display: none !important; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }
svg { display: block; }
img { max-width: 100%; }

::selection { background: rgba(92, 215, 255, 0.26); }

:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px; left: 50%;
  transform: translate(-50%, -200%);
  z-index: 300;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--ice);
  color: #04131c;
  font-weight: 700;
  transition: transform var(--t) var(--ease);
}
.skip-link:focus-visible { transform: translate(-50%, 0); }

/* ---------- 3. Типографика ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(38px, 5.6vw, 74px); }
h2 { font-size: clamp(32px, 4.6vw, 56px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); letter-spacing: -0.02em; }

p { margin: 0; }

.lead {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--sub);
  max-width: 56ch;
  text-wrap: pretty;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ice);
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--ice));
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-bottom: var(--s-5);
  max-width: 760px;
}

section { position: relative; }

.band { padding-block: clamp(72px, 11vw, 140px); }

/* ---------- 4. Кнопки ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  cursor: pointer;
  isolation: isolate;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease),
              background-color var(--t) var(--ease), border-color var(--t) var(--ease),
              color var(--t) var(--ease);
  will-change: transform;
}
.btn svg { width: 18px; height: 18px; }

.btn--primary {
  background: linear-gradient(180deg, #8ae4ff, var(--ice) 46%, #2aa9e0);
  color: #03131c;
  box-shadow: 0 10px 30px -12px rgba(92, 215, 255, 0.7),
              inset 0 1px 0 rgba(255, 255, 255, 0.55);
}
.btn--primary:hover { box-shadow: 0 18px 44px -14px rgba(92, 215, 255, 0.85), inset 0 1px 0 rgba(255,255,255,.6); }

.btn--ghost {
  background: var(--glass);
  border: 1px solid var(--line-2);
  color: var(--ink);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.btn--ghost:hover { background: var(--glass-2); border-color: rgba(255, 255, 255, 0.3); }

.btn--sm { min-height: 44px; padding: 0 18px; font-size: 14px; }
.btn--wide { width: 100%; }
.btn:active { transform: scale(0.97); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* Лёгкий блик, пробегающий по главной кнопке при наведении */
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg, transparent 32%, rgba(255, 255, 255, 0.6) 48%, transparent 62%);
  transform: translateX(-120%);
  opacity: 0;
  z-index: -1;
}
.btn--primary:hover::after { animation: sheen 900ms var(--ease) forwards; }
@keyframes sheen {
  from { transform: translateX(-120%); opacity: 0.9; }
  to { transform: translateX(120%); opacity: 0; }
}

/* ---------- 5. Стекло ---------- */
.glass {
  position: relative;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  backdrop-filter: blur(26px) saturate(1.5);
  -webkit-backdrop-filter: blur(26px) saturate(1.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14),
              inset 0 -1px 0 rgba(255, 255, 255, 0.04),
              0 32px 80px -40px rgba(0, 0, 0, 0.9);
}

/* Преломление по краю. Фильтр висит на самой панели, а не на вложенном слое:
   вложенный backdrop-filter внутри стеклянного контейнера снимает подложку вместе
   с содержимым панели и двоит текст. */
html.has-liquid .liquid {
  backdrop-filter: url(#liquid-glass) blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
}

.liquid-defs {
  position: absolute;
  width: 0; height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* ---------- 6. Фон сцены ---------- */
.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.scene__grid {
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(76% 58% at 50% 32%, #000 12%, transparent 76%);
  -webkit-mask-image: radial-gradient(76% 58% at 50% 32%, #000 12%, transparent 76%);
  opacity: 0.5;
}
.scene__aurora {
  position: absolute;
  left: 50%;
  top: -34vh;
  width: min(1400px, 150vw);
  height: 90vh;
  transform: translateX(-50%);
  background:
    radial-gradient(42% 52% at 38% 48%, rgba(30, 134, 255, 0.4), transparent 68%),
    radial-gradient(38% 46% at 64% 40%, rgba(92, 215, 255, 0.32), transparent 70%),
    radial-gradient(30% 40% at 52% 70%, rgba(51, 214, 205, 0.22), transparent 72%);
  filter: blur(42px);
  opacity: 0.85;
}
.scene__noise {
  position: absolute;
  inset: 0;
  opacity: 0.045;
  mix-blend-mode: overlay;
  background-image: var(--noise);
  background-size: 180px 180px;
}
.scene__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(78% 60% at 50% 26%, transparent 38%, rgba(5, 6, 10, 0.72) 76%, var(--bg) 100%);
}

.page { position: relative; z-index: 1; }

/* ---------- 7. Прелоадер ---------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: var(--bg);
}
.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
}
.preloader__mark { width: 84px; height: 84px; }
.preloader__mark .mark-ring { opacity: 0.35; }
.preloader__bar {
  position: relative;
  width: 220px; height: 2px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}
.preloader__bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  background: linear-gradient(90deg, var(--mint), var(--ice));
  transition: width 220ms linear;
}
.preloader__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--faint);
}
.preloader.is-done {
  transform: translateY(-101%);
  transition: transform 900ms cubic-bezier(0.7, 0, 0.2, 1);
}

/* ---------- 8. Курсор ---------- */
.cursor,
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  z-index: 180;
  pointer-events: none;
  border-radius: 50%;
  mix-blend-mode: difference;
  opacity: 0;
}
.cursor {
  width: 34px; height: 34px;
  margin: -17px 0 0 -17px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition: width var(--t) var(--ease), height var(--t) var(--ease),
              margin var(--t) var(--ease), background-color var(--t) var(--ease),
              opacity var(--t) var(--ease);
}
.cursor-dot {
  width: 5px; height: 5px;
  margin: -2.5px 0 0 -2.5px;
  background: #fff;
}
html.has-cursor .cursor,
html.has-cursor .cursor-dot { opacity: 1; }
html.has-cursor.cursor-hot .cursor {
  width: 58px; height: 58px;
  margin: -29px 0 0 -29px;
  background: rgba(255, 255, 255, 0.14);
}
html.has-cursor,
html.has-cursor * { cursor: none; }
/* Поля ввода оставляем с родным курсором — иначе не видно, куда встанет каретка */
html.has-cursor input,
html.has-cursor textarea { cursor: auto; }

@media (pointer: coarse) {
  .cursor, .cursor-dot { display: none; }
}

/* ---------- 9. Шапка ---------- */
.header {
  position: fixed;
  top: 18px; left: 50%;
  z-index: 120;
  width: min(var(--maxw), calc(100% - 32px));
  transform: translateX(-50%);
  transition: transform var(--t-slow) var(--ease);
}
.header.is-hidden { transform: translate(-50%, -160%); }

.header__bar {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: 10px 10px 10px 18px;
  border-radius: 999px;
  background: rgba(10, 12, 18, 0.55);
  border: 1px solid var(--line);
  backdrop-filter: blur(22px) saturate(1.6);
  -webkit-backdrop-filter: blur(22px) saturate(1.6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 20px 50px -34px #000;
}
.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 17px;
}
.brand svg { width: 28px; height: 28px; }
.brand span small {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--faint);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav a {
  position: relative;
  padding: 10px 16px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sub);
  cursor: pointer;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.nav a:hover { color: var(--ink); background: rgba(255, 255, 255, 0.06); }
.nav a.is-active { color: var(--ink); }
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--ice);
}

.header__actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--sub);
  cursor: pointer;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.icon-btn:hover { color: var(--ink); background: rgba(255, 255, 255, 0.07); border-color: var(--line-2); }
.icon-btn svg { width: 18px; height: 18px; }

/* Звук: четыре полоски-эквалайзера */
.sound-bars { display: flex; align-items: center; gap: 2.5px; height: 16px; }
.sound-bars i {
  width: 2px;
  height: 4px;
  border-radius: 2px;
  background: currentColor;
  transition: height var(--t) var(--ease);
}
.icon-btn.is-on { color: var(--ice); border-color: rgba(92, 215, 255, 0.4); }
.icon-btn.is-on .sound-bars i { animation: eq 900ms ease-in-out infinite alternate; }
.icon-btn.is-on .sound-bars i:nth-child(2) { animation-delay: 120ms; }
.icon-btn.is-on .sound-bars i:nth-child(3) { animation-delay: 240ms; }
.icon-btn.is-on .sound-bars i:nth-child(4) { animation-delay: 360ms; }
@keyframes eq { from { height: 4px; } to { height: 15px; } }

.burger { display: none; }

/* Мобильное меню */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 115;
  display: grid;
  place-items: center;
  background: rgba(5, 6, 10, 0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t) var(--ease), visibility var(--t) var(--ease);
}
.sheet.is-open { opacity: 1; visibility: visible; }
.sheet nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
}
.sheet nav a {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  padding: 8px 12px;
}

/* ---------- 10. Герой ---------- */
.hero {
  position: relative;
  padding-top: clamp(140px, 19vw, 210px);
  padding-bottom: clamp(60px, 9vw, 110px);
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__copy { display: flex; flex-direction: column; gap: var(--s-3); align-items: flex-start; }
.hero h1 { margin-top: 6px; }
.hero h1 .grad {
  background: linear-gradient(104deg, #ffffff 8%, var(--ice) 48%, var(--mint) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: clamp(20px, 3vw, 44px);
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  width: 100%;
}
.stats dt {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.stats dd {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--faint);
}

/* Макет клиента */
.mock {
  position: relative;
  padding: 16px 16px 62px;
  overflow: hidden;
  transform-style: preserve-3d;
}
.mock__chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 4px 14px;
}
.mock__chrome i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}
.mock__chrome span {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--faint);
  text-transform: uppercase;
}
.mock__tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.mock__tab {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sub);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
}
.mock__tab.is-active {
  color: #04131c;
  background: linear-gradient(180deg, #8ae4ff, var(--ice));
  box-shadow: 0 6px 18px -8px rgba(92, 215, 255, 0.9);
}
.mock__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mock__card {
  padding: 12px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 78px;
}
.mock__card b { font-size: 12.5px; font-weight: 700; letter-spacing: -0.01em; }
.mock__card em {
  font-style: normal;
  font-size: 10.5px;
  color: var(--faint);
  line-height: 1.35;
}
.mock__dot {
  width: 26px; height: 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  position: relative;
  margin-top: auto;
}
.mock__dot::after {
  content: "";
  position: absolute;
  top: 2.5px; left: 2.5px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--t) var(--ease-back);
}
.mock__card.on .mock__dot { background: linear-gradient(90deg, var(--mint), var(--ice)); }
.mock__card.on .mock__dot::after { transform: translateX(11px); }

/* Остров из клиента — висит над макетом */
.island {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(8, 10, 16, 0.8);
  border: 1px solid var(--line-2);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-size: 12px;
  white-space: nowrap;
}
.island b { color: var(--ice); font-weight: 700; }
.island__wave { display: flex; align-items: flex-end; gap: 2px; height: 14px; }
.island__wave i {
  width: 2px;
  border-radius: 2px;
  background: var(--ice);
  animation: eq 740ms ease-in-out infinite alternate;
}
.island__wave i:nth-child(2) { animation-delay: 110ms; }
.island__wave i:nth-child(3) { animation-delay: 220ms; }
.island__wave i:nth-child(4) { animation-delay: 330ms; }

.marquee {
  margin-top: var(--s-5);
  border-block: 1px solid var(--line);
  padding-block: 14px;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__row { display: flex; gap: 48px; width: max-content; animation: slide 36s linear infinite; }
.marquee span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}
.marquee span::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ice);
  opacity: 0.6;
}
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- 11. 3D-лента ---------- */
/* Высота задаёт длину прокрутки, сцена залипает — слайды крутятся от скролла */
.deck { position: relative; height: 320vh; }
.deck__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  place-items: center;
  perspective: 1400px;
  overflow: hidden;
}
.deck__stage::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(1100px, 110vw);
  height: min(700px, 90vh);
  transform: translate(-50%, -50%);
  background: radial-gradient(48% 46% at 50% 50%, rgba(30, 134, 255, 0.26), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}
.deck__rail {
  position: relative;
  width: min(1040px, 92vw);
  height: min(560px, 68vh);
  transform-style: preserve-3d;
}
.deck__slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 44px);
  align-items: center;
  padding: clamp(24px, 3.4vw, 46px);
  border-radius: var(--radius-l);
  transform-origin: 50% 50%;
  backface-visibility: hidden;
}
.deck__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--ice);
}
.deck__slide h3 { margin-block: 14px 12px; font-size: clamp(26px, 3.4vw, 40px); }
.deck__slide p { color: var(--sub); font-size: 15.5px; }
.deck__list { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.deck__list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--sub);
}
.deck__list svg { width: 16px; height: 16px; color: var(--mint); flex: none; margin-top: 3px; }
.deck__art {
  position: relative;
  height: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(70% 60% at 50% 30%, rgba(92, 215, 255, 0.18), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  overflow: hidden;
  display: grid;
  place-items: center;
}
.deck__slide.glass {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background: linear-gradient(180deg, rgba(20, 24, 34, 0.94), rgba(10, 13, 20, 0.96));
  will-change: transform, opacity;
}

.deck__progress {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.deck__progress i {
  width: 26px; height: 3px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.16);
  transition: background-color var(--t) var(--ease), width var(--t) var(--ease);
}
.deck__progress i.is-on { width: 44px; background: var(--ice); }

/* ---------- 12. Карточки возможностей ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.card {
  position: relative;
  grid-column: span 4;
  padding: clamp(22px, 2.4vw, 30px);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
  transform-style: preserve-3d;
}
.card:hover { border-color: var(--line-2); }
.card--wide { grid-column: span 6; }
.card--tall { grid-column: span 6; }

/* Подсветка за курсором */
.card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(240px 240px at var(--mx, 50%) var(--my, 0%), rgba(92, 215, 255, 0.16), transparent 72%);
  opacity: 0;
  transition: opacity var(--t) var(--ease);
  pointer-events: none;
}
.card:hover::before { opacity: 1; }

.card__icon {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  background: rgba(92, 215, 255, 0.1);
  border: 1px solid rgba(92, 215, 255, 0.22);
  color: var(--ice);
  margin-bottom: 18px;
}
.card__icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--sub); font-size: 14.5px; }

.tagrow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tag {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sub);
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- 13. Каталог модулей ---------- */
.explorer__top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: var(--s-3);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--sub);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease), border-color var(--t) var(--ease);
}
.chip:hover { color: var(--ink); border-color: var(--line-2); }
.chip.is-on {
  color: #04131c;
  background: linear-gradient(180deg, #8ae4ff, var(--ice));
  border-color: transparent;
}
.chip b { font-family: var(--font-mono); font-size: 11px; opacity: 0.7; font-weight: 500; }

.field {
  position: relative;
  margin-left: auto;
  min-width: 240px;
  flex: 1 1 240px;
  max-width: 320px;
}
.field input {
  width: 100%;
  min-height: 44px;
  padding: 0 16px 0 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  font-size: 14px;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.field input::placeholder { color: var(--faint); }
.field input:focus { outline: none; border-color: rgba(92, 215, 255, 0.5); background: rgba(255, 255, 255, 0.05); }
.field svg {
  position: absolute;
  left: 15px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--faint);
}

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
  min-height: 220px;
}
.module {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  font-size: 13.5px;
  font-weight: 600;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.module:hover { border-color: rgba(92, 215, 255, 0.35); background: rgba(92, 215, 255, 0.06); transform: translateY(-2px); }
.module i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  flex: none;
  box-shadow: 0 0 10px rgba(51, 214, 205, 0.8);
}
.modules__empty {
  grid-column: 1 / -1;
  padding: var(--s-4);
  text-align: center;
  color: var(--faint);
  font-size: 14px;
}

/* ---------- 14. Цены ---------- */
.switcher {
  display: inline-flex;
  padding: 5px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  gap: 4px;
}
.switcher button {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sub);
  cursor: pointer;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.switcher button.is-on { color: #04131c; background: linear-gradient(180deg, #8ae4ff, var(--ice)); }

.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}
.plan {
  position: relative;
  padding: clamp(24px, 2.6vw, 34px);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.plan--hot {
  border-color: rgba(92, 215, 255, 0.4);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(92, 215, 255, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow: 0 40px 90px -56px rgba(92, 215, 255, 0.8);
}
.plan__badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 5px 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, #8ae4ff, var(--ice));
  color: #04131c;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.plan__name { font-family: var(--font-display); font-size: 17px; font-weight: 700; }
.plan__price { display: flex; align-items: baseline; gap: 8px; }
.plan__price b {
  font-family: var(--font-display);
  font-size: clamp(38px, 4.6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.plan__price span { color: var(--faint); font-size: 14px; }
.plan__note { font-size: 13px; color: var(--faint); min-height: 20px; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.plan li { display: flex; gap: 10px; font-size: 14px; color: var(--sub); align-items: flex-start; }
.plan li svg { width: 16px; height: 16px; color: var(--mint); flex: none; margin-top: 3px; }
.plan li.off { color: var(--faint); }
.plan li.off svg { color: var(--faint); opacity: 0.6; }
.plan .btn { margin-top: auto; }

.guarantee {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-top: var(--s-3);
  font-size: 13.5px;
  color: var(--faint);
}
.guarantee svg { width: 17px; height: 17px; color: var(--mint); }

/* ---------- 15. FAQ ---------- */
.faq { display: grid; gap: 10px; max-width: 860px; }
.qa {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.qa.is-open { border-color: var(--line-2); background: rgba(255, 255, 255, 0.045); }
.qa__q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  min-height: 56px;
}
.qa__q svg {
  width: 18px; height: 18px;
  margin-left: auto;
  flex: none;
  color: var(--sub);
  transition: transform var(--t) var(--ease), color var(--t) var(--ease);
}
.qa.is-open .qa__q svg { transform: rotate(45deg); color: var(--ice); }
.qa__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-slow) var(--ease);
}
.qa.is-open .qa__a { grid-template-rows: 1fr; }
.qa__a > div { overflow: hidden; }
.qa__a p { padding: 0 22px 22px; color: var(--sub); font-size: 14.5px; max-width: 64ch; }

/* ---------- 16. Финальный призыв и подвал ---------- */
.final {
  position: relative;
  padding: clamp(48px, 7vw, 92px);
  border-radius: var(--radius-l);
  text-align: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(30, 134, 255, 0.24), transparent 62%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
}
.final .btn { margin-top: var(--s-3); }
.final p { margin-inline: auto; }

.footer {
  padding-block: var(--s-5) var(--s-4);
  border-top: 1px solid var(--line);
  margin-top: clamp(72px, 10vw, 130px);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(2, 1fr);
  gap: var(--s-4);
}
.footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
  margin-bottom: 14px;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--sub);
  font-size: 14px;
  transition: color var(--t) var(--ease);
}
.footer a:hover { color: var(--ink); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--faint);
}

/* ---------- 17. Личный кабинет ---------- */
.auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 120px var(--pad) var(--s-5);
}
.auth__card {
  width: min(430px, 100%);
  padding: clamp(28px, 4vw, 40px);
  border-radius: var(--radius-l);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.auth__card h1 { font-size: 30px; }
.form { display: grid; gap: var(--s-2); margin-top: 6px; }
.form label { display: grid; gap: 7px; font-size: 13px; color: var(--sub); font-weight: 600; }
.form input {
  min-height: 50px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 15px;
  transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.form input:focus { outline: none; border-color: rgba(92, 215, 255, 0.55); background: rgba(255, 255, 255, 0.06); }
.form input[aria-invalid="true"] { border-color: var(--bad); }
.form__err {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--bad);
  min-height: 20px;
}
.form__err svg { width: 15px; height: 15px; flex: none; }
.form__err:empty { display: none; }
.hint {
  font-size: 12.5px;
  color: var(--faint);
  text-align: center;
  padding: 12px;
  border-radius: 12px;
  border: 1px dashed var(--line-2);
}
.hint b { color: var(--ice); font-family: var(--font-mono); font-weight: 500; }

.dash { padding: 120px 0 var(--s-5); }
.dash__head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  align-items: center;
  margin-bottom: var(--s-4);
}
.dash__head h1 { font-size: clamp(30px, 4vw, 44px); }
.dash__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.panel {
  grid-column: span 4;
  padding: clamp(20px, 2.2vw, 28px);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.panel--wide { grid-column: span 8; }
.panel--full { grid-column: 1 / -1; }
.panel__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
}
.panel__title svg { width: 15px; height: 15px; color: var(--ice); }
.panel__big {
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.panel p { font-size: 14px; color: var(--sub); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(104, 226, 164, 0.12);
  color: var(--ok);
  border: 1px solid rgba(104, 226, 164, 0.28);
}
.badge i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.meter { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--mint), var(--ice)); }

.kv { display: grid; gap: 10px; }
.kv div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13.5px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.kv div:last-child { border-bottom: 0; padding-bottom: 0; }
.kv dt { color: var(--faint); }
.kv dd { margin: 0; font-family: var(--font-mono); font-size: 12.5px; }

.log { display: grid; gap: 2px; }
.log__row {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}
.log__row:last-child { border-bottom: 0; }
.log__row time { font-family: var(--font-mono); font-size: 12px; color: var(--faint); margin-left: auto; white-space: nowrap; }
.log__row i {
  width: 28px; height: 28px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(92, 215, 255, 0.1);
  color: var(--ice);
  flex: none;
}
.log__row svg { width: 14px; height: 14px; }

/* ---------- 18. Появление при скролле ---------- */
.rise {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}
.rise.is-in { opacity: 1; transform: none; }
.rise[data-delay="1"] { transition-delay: 70ms; }
.rise[data-delay="2"] { transition-delay: 140ms; }
.rise[data-delay="3"] { transition-delay: 210ms; }
.rise[data-delay="4"] { transition-delay: 280ms; }
.rise[data-delay="5"] { transition-delay: 350ms; }

.split-line { display: block; overflow: hidden; }
.split-line > span {
  display: block;
  transform: translateY(104%);
  transition: transform 820ms var(--ease);
}
.is-in .split-line > span,
.split-line.is-in > span { transform: none; }
.split-line:nth-child(2) > span { transition-delay: 90ms; }
.split-line:nth-child(3) > span { transition-delay: 180ms; }

/* ---------- 19. Адаптив ---------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; }
  .mock { max-width: 620px; }
  .card, .card--wide, .card--tall { grid-column: span 6; }
  .panel, .panel--wide { grid-column: span 6; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .deck__slide { grid-template-columns: 1fr; align-content: center; }
  .deck__art { display: none; }
}

@media (max-width: 860px) {
  :root { --pad: 18px; }
  .nav { display: none; }
  .burger { display: inline-grid; }
  .plans { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .header { top: 12px; }
}

@media (max-width: 620px) {
  .card, .card--wide, .card--tall { grid-column: 1 / -1; }
  .panel, .panel--wide { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1fr; }
  .mock__cards { grid-template-columns: repeat(2, 1fr); }
  .header__bar { padding-left: 14px; }
  .brand span small { display: none; }
  .deck { height: auto; }
  .deck__stage { position: static; height: auto; padding-block: var(--s-6); }
  .deck__rail { height: auto; }
  .deck__slide { position: relative; inset: auto; transform: none !important; opacity: 1 !important; margin-bottom: 14px; }
  .deck__progress { display: none; }
}

/* ---------- 20. Меньше движения ---------- */
/* Лента без прокрутки: слайды становятся обычными карточками друг под другом */
html.is-calm .deck { height: auto; }
html.is-calm .deck__stage { position: static; height: auto; padding-block: var(--s-6); }
html.is-calm .deck__rail { height: auto; }
html.is-calm .deck__slide {
  position: relative;
  inset: auto;
  transform: none !important;
  opacity: 1 !important;
  margin-bottom: 16px;
}
html.is-calm .deck__progress { display: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .rise { opacity: 1; transform: none; }
  .split-line > span { transform: none; }
  .marquee__row { animation: none; }
  .cursor, .cursor-dot { display: none; }
}