/* ИИ-аналитик — лендинг ai-analytica.ru (ФАЗА К / Этап К8).
   Фирменный стиль «Arion»: бирюза/коралл/янтарь/фиолет + Inter. Тёмная/светлая темы
   через data-theme на <html>; палитра данных синхронна с packages/render/theme.py. */

/* ───────────────────────── Темы / токены ───────────────────────── */
:root {
  --teal: #22cce0;
  --coral: #fb4d6a;
  --amber: #ffb74d;
  --violet: #7c6ff2;
  --green: #2dc58b;
  --blue: #5b8def;

  --grad: linear-gradient(120deg, var(--teal), var(--violet));
  --grad-warm: linear-gradient(120deg, var(--amber), var(--coral));

  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: "Inter", "Helvetica Neue", "Segoe UI", system-ui, -apple-system, sans-serif;
}

html[data-theme="dark"] {
  --bg: #0b0c10;
  --bg-2: #111219;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f5f8;
  --text-soft: #aeb2c0;
  --text-mute: #7e8398;
  --shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.8);
  --glow: 0 0 0 1px rgba(34, 204, 224, 0.18), 0 30px 80px -40px rgba(124, 111, 242, 0.55);
  --aurora-1: rgba(34, 204, 224, 0.22);
  --aurora-2: rgba(124, 111, 242, 0.22);
  --aurora-3: rgba(251, 77, 106, 0.12);
}

html[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #f1f3f9;
  --border: rgba(18, 20, 35, 0.08);
  --border-strong: rgba(18, 20, 35, 0.16);
  --text: #181a23;
  --text-soft: #4a4f63;
  --text-mute: #8a90a2;
  --shadow: 0 24px 50px -30px rgba(24, 28, 60, 0.25);
  --glow: 0 0 0 1px rgba(34, 204, 224, 0.25), 0 30px 70px -40px rgba(124, 111, 242, 0.4);
  --aurora-1: rgba(34, 204, 224, 0.25);
  --aurora-2: rgba(124, 111, 242, 0.2);
  --aurora-3: rgba(255, 183, 77, 0.18);
}

/* ───────────────────────── База ───────────────────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0; font-weight: 800; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Фоновые декорации */
.bg-aurora {
  position: fixed; inset: -20% -10% auto -10%; height: 80vh; z-index: -2;
  background:
    radial-gradient(40% 50% at 18% 20%, var(--aurora-1), transparent 70%),
    radial-gradient(40% 50% at 82% 12%, var(--aurora-2), transparent 70%),
    radial-gradient(45% 60% at 60% 60%, var(--aurora-3), transparent 70%);
  filter: blur(20px); pointer-events: none;
  animation: drift 22s var(--ease) infinite alternate;
}
@keyframes drift { to { transform: translate3d(0, 24px, 0) scale(1.05); } }
.bg-grid {
  position: fixed; inset: 0; z-index: -3; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

/* ───────────────────────── Кнопки ───────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, border-color 0.25s, color 0.25s;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn--lg { padding: 15px 28px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--primary {
  color: #04151a; background: var(--grad);
  box-shadow: 0 10px 30px -12px rgba(34, 204, 224, 0.7);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -14px rgba(124, 111, 242, 0.8); }
.btn--ghost {
  color: var(--text); background: var(--surface); border-color: var(--border-strong);
  backdrop-filter: blur(6px);
}
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }

.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-soft);
  cursor: pointer; transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.icon-btn:hover { color: var(--teal); border-color: var(--teal); transform: rotate(-8deg); }
.ic-moon { display: none; }
html[data-theme="light"] .ic-sun { display: none; }
html[data-theme="light"] .ic-moon { display: block; }

.check {
  width: 18px; height: 18px; border-radius: 50%; flex: 0 0 auto; display: inline-block; position: relative;
  background: rgba(45, 197, 139, 0.16);
}
.check::after {
  content: ""; position: absolute; left: 6px; top: 3px; width: 4px; height: 8px;
  border: solid var(--green); border-width: 0 2px 2px 0; transform: rotate(45deg);
}

/* ───────────────────────── Навигация ───────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50; padding: 14px 0;
  transition: background 0.3s, border-color 0.3s, padding 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px); border-bottom-color: var(--border); padding: 9px 0;
}
.nav__inner { display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; }
.brand__mark { display: inline-grid; place-items: center; }
.brand__name { font-size: 18px; }
.nav__links { display: flex; gap: 26px; margin-inline: auto; font-size: 15px; color: var(--text-soft); }
.nav__links a { position: relative; transition: color 0.2s; }
.nav__links a:hover { color: var(--text); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--grad);
  transition: width 0.25s var(--ease);
}
.nav__links a:hover::after { width: 100%; }
.nav__actions { display: flex; align-items: center; gap: 10px; }

/* ───────────────────────── Hero ───────────────────────── */
.hero {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
  padding: 70px 0 40px;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-soft);
  font-size: 13.5px; font-weight: 500; margin-bottom: 22px;
}
.pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(45,197,139,0.18); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(45,197,139,0); } }
.hero__title { font-size: clamp(34px, 5vw, 58px); font-weight: 900; }
.hero__lede { margin-top: 22px; font-size: clamp(16px, 1.6vw, 19px); color: var(--text-soft); max-width: 36ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__bullets { display: flex; flex-wrap: wrap; gap: 18px; margin: 26px 0 0; padding: 0; list-style: none; color: var(--text-soft); font-size: 14.5px; }
.hero__bullets li { display: inline-flex; align-items: center; gap: 8px; }

/* Демо-окно ИИ-диалога */
.demo {
  border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--border-strong);
  box-shadow: var(--glow); overflow: hidden; transform: perspective(1400px) rotateY(-7deg) rotateX(3deg);
  transition: transform 0.5s var(--ease);
}
.hero__demo:hover .demo { transform: perspective(1400px) rotateY(0) rotateX(0); }
.demo__bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--border); background: var(--surface); }
.demo__dot { width: 11px; height: 11px; border-radius: 50%; background: var(--border-strong); }
.demo__dot:nth-child(1){ background:#fb4d6a; } .demo__dot:nth-child(2){ background:#ffb74d; } .demo__dot:nth-child(3){ background:#2dc58b; }
.demo__title { margin-left: 10px; font-size: 13px; color: var(--text-mute); }
.demo__body { padding: 20px; min-height: 430px; display: flex; flex-direction: column; gap: 14px; }

.msg { max-width: 88%; padding: 12px 15px; border-radius: 16px; font-size: 14.5px; opacity: 0; transform: translateY(10px); animation: rise 0.5s var(--ease) forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
.msg--user { align-self: flex-end; background: var(--grad); color: #06171b; border-bottom-right-radius: 5px; font-weight: 500; }
.msg--bot { align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 5px; }
.msg--bot.thinking { color: var(--text-mute); display: inline-flex; gap: 8px; align-items: center; }
.dots span { display: inline-block; width: 6px; height: 6px; margin-right: 3px; border-radius: 50%; background: var(--text-mute); animation: blink 1.2s infinite; }
.dots span:nth-child(2){ animation-delay: 0.2s; } .dots span:nth-child(3){ animation-delay: 0.4s; }
@keyframes blink { 0%,80%,100%{ opacity:0.25; transform: translateY(0);} 40%{ opacity:1; transform: translateY(-3px);} }

/* Контейнер для графиков: размеры считаются от ШИРИНЫ области ответа (cqi),
   поэтому диаграммы плавно масштабируются при изменении ширины, а не только тянутся. */
.answer { width: 100%; container-type: inline-size; container-name: answer; }
.answer__kpis { display: flex; gap: 10px; margin-bottom: 12px; }
.answer__kpi { flex: 1; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; }
.answer__kpi b { display: block; font-size: 18px; }
.answer__kpi span { font-size: 11.5px; color: var(--text-mute); }
.answer__kpi .up { color: var(--green); } .answer__kpi .down { color: var(--coral); }
.chart { display: flex; align-items: flex-end; gap: clamp(5px, 1.9cqi, 10px); height: clamp(64px, 22cqi, 108px); padding: 8px 4px 0; }
.chart i { flex: 1; border-radius: 6px 6px 3px 3px; background: var(--grad); height: var(--h); opacity: 0; transform: scaleY(0.2); transform-origin: bottom; animation: grow 0.6s var(--ease) forwards; animation-delay: var(--d, 0s); }
@keyframes grow { to { opacity: 1; transform: scaleY(1); } }
/* Диаграмма-водопад (факторный анализ) */
.wf { display: flex; align-items: flex-end; gap: clamp(4px, 1.7cqi, 9px); height: clamp(78px, 25cqi, 122px); padding: 6px 2px 0; margin-bottom: clamp(30px, 9.5cqi, 48px); }
.wf__col { position: relative; flex: 1; height: 100%; }
.wf__seg { position: absolute; left: 0; right: 0; bottom: var(--b); height: var(--h); border-radius: 4px; background: var(--grad); transform: scaleY(0); transform-origin: bottom; opacity: 0; animation: grow 0.55s var(--ease) forwards; animation-delay: var(--d, 0s); }
.wf__seg.up { background: linear-gradient(180deg, var(--green), #1c9c6c); }
.wf__seg.down { background: linear-gradient(180deg, var(--coral), #c63450); }
.wf__lbl { position: absolute; left: -3px; right: -3px; top: calc(100% + 6px); text-align: center; font-size: clamp(8px, 2.3cqi, 11px); line-height: 1.15; color: var(--text-mute); white-space: normal; overflow-wrap: break-word; word-break: break-word; hyphens: auto; }
.answer__note { margin-top: 10px; font-size: 13px; color: var(--text-soft); border-left: 2px solid var(--teal); padding-left: 10px; }

/* ───────────────────────── Метрики ───────────────────────── */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 24px 0 10px; }
.metric { padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); text-align: center; }
.metric b { display: block; font-size: clamp(26px, 3vw, 36px); font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric span { display: block; margin-top: 6px; font-size: 13px; color: var(--text-mute); }

/* ───────────────────────── Секции ───────────────────────── */
.section { padding: 76px 0; }
.section__head { max-width: 720px; margin-bottom: 44px; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.section h2 { font-size: clamp(26px, 3.4vw, 40px); }
.section__lede { margin-top: 16px; color: var(--text-soft); font-size: 17px; }

/* Карточки */
.cards { display: grid; gap: 18px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.card { padding: 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--text-soft); font-size: 15px; }
.card__ic { width: 46px; height: 46px; border-radius: 13px; margin-bottom: 16px; background: var(--surface-2); border: 1px solid var(--border); position: relative; display: grid; place-items: center; color: var(--teal); }
.card__ic svg { width: 24px; height: 24px; }
.cards--3 .card:nth-child(2) .card__ic { color: var(--amber); }
.cards--3 .card:nth-child(3) .card__ic { color: var(--coral); }
.card--trust .card__ic { background: linear-gradient(135deg, rgba(34,204,224,0.16), rgba(124,111,242,0.16)); }
.cards--4 .card:nth-child(2) .card__ic { color: var(--green); }
.cards--4 .card:nth-child(3) .card__ic { color: var(--violet); }
.cards--4 .card:nth-child(4) .card__ic { color: var(--blue); }
/* простые «иконки» точками-чертами через ::after — лёгкие и тематические */
.card__ic::after { content: ""; position: absolute; inset: 0; margin: auto; }
.ic-clock::after { width: 18px; height: 18px; border: 2px solid var(--teal); border-radius: 50%; box-shadow: inset 0 -7px 0 -6px var(--teal); }
.ic-maze::after { width: 18px; height: 18px; border: 2px solid var(--amber); border-radius: 4px; background: linear-gradient(var(--amber),var(--amber)) center/2px 10px no-repeat; }
.ic-coin::after { width: 16px; height: 16px; border: 2px solid var(--coral); border-radius: 50%; }
.ic-lock::after { width: 14px; height: 11px; border: 2px solid var(--teal); border-radius: 3px; box-shadow: 0 -7px 0 -2px transparent, inset 0 0 0 20px transparent; }
.ic-shield::after { width: 16px; height: 18px; background: var(--green); clip-path: polygon(50% 0, 100% 22%, 100% 60%, 50% 100%, 0 60%, 0 22%); opacity: 0.8; }
.ic-server::after { width: 18px; height: 16px; border: 2px solid var(--violet); border-radius: 3px; background: linear-gradient(var(--violet),var(--violet)) center/12px 2px no-repeat; }
.ic-doc::after { width: 13px; height: 17px; border: 2px solid var(--blue); border-radius: 2px; }

/* Шаги */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding: 30px 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); overflow: hidden; }
.step::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: var(--grad); opacity: 0.8; }
.step__num { font-size: 40px; font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 10px; }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--text-soft); font-size: 15px; }

/* Фичи */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); transition: transform 0.3s var(--ease), border-color 0.3s; }
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature--wide { grid-column: span 2; }
.feature h3 { font-size: 20px; margin-bottom: 8px; }
.feature p { color: var(--text-soft); font-size: 15px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { font-size: 13px; padding: 6px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-soft); }
.chip--more { background: linear-gradient(120deg, rgba(34,204,224,0.16), rgba(124,111,242,0.16)); border-color: var(--border-strong); color: var(--text); font-weight: 600; }
.mini-bars { display: flex; align-items: flex-end; gap: 7px; height: 70px; margin-top: 18px; }
.mini-bars span { flex: 1; height: var(--h); border-radius: 5px 5px 2px 2px; background: var(--grad); opacity: 0.85; }

/* Пакеты / тарифы */
.packages { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; align-items: stretch; }
.pkg { position: relative; padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: flex; flex-direction: column; }
.pkg__foot { margin-top: auto; }
.pkg__price { font-size: 22px; font-weight: 800; letter-spacing: -0.01em; }
.pkg__price--soft { font-size: 17px; font-weight: 700; color: var(--text-soft); }
.pkg__price-unit { font-size: 15px; font-weight: 500; color: var(--text-mute); }
.pkg__foot .btn--block { margin-top: 14px; }
/* On-Premises как отдельный тариф в конце списка (без облака) */
.tiers--extra { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); }
.tiers__label { margin: 0 0 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-mute); }
.tier--onprem { border-style: dashed; }
.cf-box { margin: 4px 0 2px; }
.cf-box:not([hidden]) { display: flex; justify-content: center; }
.pkg--accent { background: linear-gradient(160deg, color-mix(in srgb, var(--violet) 14%, var(--surface)), var(--surface)); border-color: var(--border-strong); box-shadow: var(--shadow); }
.pkg__name { font-size: 22px; }
.pkg__desc { margin-top: 10px; color: var(--text-soft); font-size: 15px; }
.pkg__list { list-style: none; margin: 20px 0 22px; padding: 0; display: grid; gap: 12px; }
.pkg__list li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-soft); font-size: 15px; }

.tiers { display: grid; gap: 12px; margin-top: 22px; }
.tier { display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: baseline; padding: 16px 18px; border-radius: var(--radius-sm); background: var(--surface-2); border: 1px solid var(--border); transition: border-color 0.2s, transform 0.2s; cursor: pointer; }
.tier:hover { border-color: var(--teal); transform: translateX(3px); }
.tier__name { font-weight: 700; font-size: 16px; }
.tier__price { font-weight: 800; font-size: 16px; white-space: nowrap; }
.tier__price small { font-weight: 500; color: var(--text-mute); }
.tier__desc { grid-column: 1 / -1; font-size: 13px; color: var(--text-mute); }
.tier__old { font-weight: 600; font-size: 13px; color: var(--text-mute); text-decoration: line-through; margin-right: 8px; opacity: 0.8; }
.tier__badge { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: 0.02em; color: #04201d; background: var(--teal); vertical-align: middle; }
.tier--promo { border-color: color-mix(in srgb, var(--teal) 45%, var(--border)); }

/* CTA + форма */
.cta { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 44px; border-radius: 26px; background: linear-gradient(150deg, color-mix(in srgb, var(--teal) 12%, var(--bg-2)), var(--bg-2)); border: 1px solid var(--border-strong); box-shadow: var(--glow); }
.cta h2 { font-size: clamp(24px, 3vw, 34px); }
.cta__copy p { margin-top: 14px; color: var(--text-soft); font-size: 16px; }
.cta__points { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; color: var(--text-soft); font-size: 15px; }
.cta__points li { display: flex; gap: 10px; align-items: center; }

.lead { display: grid; gap: 14px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.lead__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.lead label { display: grid; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--text-soft); }
.lead input, .lead textarea {
  font-family: inherit; font-size: 15px; color: var(--text); background: var(--surface);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 12px 14px; resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.lead input:focus, .lead textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(34,204,224,0.2); }
.lead input::placeholder, .lead textarea::placeholder { color: var(--text-mute); }
.req { color: var(--coral); }
.lead__note { font-size: 12.5px; color: var(--text-mute); margin: 0; text-align: center; }
.lead__note.ok { color: var(--green); font-weight: 600; }
.lead__note.err { color: var(--coral); font-weight: 600; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ───────────────────────── Подвал ───────────────────────── */
.footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 46px 0 30px; background: var(--bg-2); }
.footer__inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer__brand p { margin-top: 10px; color: var(--text-mute); font-size: 14px; max-width: 30ch; }
.footer__links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--text-soft); font-size: 14.5px; }
.footer__links a:hover { color: var(--teal); }
.footer__legal { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-mute); font-size: 12.5px; }

/* ───────────────────────── Анимации появления ───────────────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.cards .reveal:nth-child(2), .features .reveal:nth-child(2), .steps .reveal:nth-child(2) { transition-delay: 0.08s; }
.cards .reveal:nth-child(3), .features .reveal:nth-child(3), .steps .reveal:nth-child(3) { transition-delay: 0.16s; }
.cards .reveal:nth-child(4) { transition-delay: 0.24s; }

/* ───────────────────────── Адаптив ───────────────────────── */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; }
  .hero__lede { max-width: none; }
  .demo { transform: none; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .cards--3, .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .feature--wide { grid-column: auto; }
  .packages { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; padding: 30px; }
  .nav__links { display: none; }
}
@media (max-width: 560px) {
  .metrics, .cards--3, .cards--4 { grid-template-columns: 1fr; }
  .lead__row { grid-template-columns: 1fr; }
  .nav__actions .btn--ghost { display: none; }
  .hero__actions .btn { flex: 1; }
  .section { padding: 56px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}
