/* =========================================================
   VZP Suite — дизайн-система сайта (лендинг и витрина функций)
   Чёрный фон, фиолетовый акцент, синий для данных и связей.
   Градиент фиолетовый → синий — только на тонких деталях (логотип, линии, прогресс).
   ========================================================= */
:root {
  --bg: #07070b;
  --bg-1: #0c0c13;
  --bg-2: #12121c;
  --bg-3: #1a1a28;
  --line: #1d1d2b;
  --line-2: #2b2b3f;
  --text: #ececf3;
  --text-2: #b4b4c8;
  --muted: #82829a;
  --accent: #6d4aff;
  --accent-2: #8467ff;
  --accent-text: #b3a3ff;
  --accent-ink: #ffffff;
  --accent-soft: rgba(109, 74, 255, 0.12);
  --blue: #3d7bff;
  --blue-text: #8fb3ff;
  --blue-soft: rgba(61, 123, 255, 0.12);
  --grad: linear-gradient(135deg, #8467ff 0%, #3d7bff 100%);
  --ok: #3ccf7a;
  --bad: #f2555a;
  --radius: 12px;
  --radius-sm: 8px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Discord-превью */
  --dc-bg: #313338;
  --dc-bg-2: #2b2d31;
  --dc-bg-3: #1e1f22;
  --dc-text: #dbdee1;
  --dc-muted: #949ba4;
  --dc-blurple: #5865f2;
  --dc-green: #248046;
  --dc-red: #da373c;
  --dc-grey: #4e5058;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 Inter, system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; line-height: 1.15; font-weight: 650; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- шапка ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(7, 7, 11, 0.78);
  view-transition-name: site-nav;
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
.logo-mark {
  width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font: 800 12px/1 var(--mono);
}
.nav-links { display: flex; gap: 4px; margin-right: auto; }
.nav-links a {
  position: relative; text-decoration: none; color: var(--muted); font-size: 14px; padding: 6px 10px; border-radius: 6px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-links a::after {
  content: ''; position: absolute; left: 10px; right: 10px; bottom: 1px; height: 1px; background: var(--grad);
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease-out);
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current='page'] { color: var(--text); background: var(--bg-3); }
.nav .nav-burger { display: none; }

/* ---------- кнопки ---------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 14px/1 Inter, system-ui, sans-serif; text-decoration: none; cursor: pointer;
  padding: 11px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line-2);
  background: var(--bg-2); color: var(--text);
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .15s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover { border-color: #43435e; background: var(--bg-3); }
.btn:active { transform: translateY(1px) scale(.985); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); box-shadow: 0 8px 24px rgba(109, 74, 255, 0.25); }
/* Блик по кнопке при наведении — один проход, без мерцания. */
.btn-primary::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.22) 50%, transparent 65%);
  transform: translateX(-120%);
}
.btn-primary:hover::after { transform: translateX(120%); transition: transform .7s var(--ease-out); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 8px 12px; font-size: 13px; }
.btn svg { width: 16px; height: 16px; flex: none; }

/* ---------- общие секции ---------- */
section { padding: 96px 0; border-top: 1px solid var(--line); }
section.first { border-top: 0; }
section[id] { scroll-margin-top: 60px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 12px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em;
}
.eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 1px; background: var(--grad); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); margin-top: 14px; }
.section-head p { color: var(--text-2); margin-top: 14px; font-size: 17px; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 88px 0 96px; overflow: hidden; }
/* Тонкая техническая сетка за первым экраном, гаснет к краям. */
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .45;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
}
.hero .wrap { position: relative; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5.4vw, 60px); margin-top: 18px; font-weight: 700; letter-spacing: -0.035em; }
.hero h1 em {
  font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { color: var(--text-2); font-size: 18px; margin-top: 20px; max-width: 540px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.hero-facts div { font-size: 13px; color: var(--muted); }
.hero-facts b { display: block; color: var(--text); font-size: 15px; font-weight: 600; }

/* ---------- блок разработчика ---------- */
.dev { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 56px; align-items: start; }
.dev-card { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.dev-avatar {
  width: 56px; height: 56px; border-radius: 14px; background: var(--bg-3); border: 1px solid var(--line-2);
  display: grid; place-items: center; font: 700 18px/1 var(--mono); color: var(--accent-text);
}
.dev-card h3 { font-size: 17px; margin-top: 16px; }
.dev-card p { color: var(--muted); font-size: 14px; margin-top: 4px; }
.dev-card .btn { width: 100%; margin-top: 10px; }
.dev-card .btn:first-of-type { margin-top: 20px; }
.dev-text h2 { font-size: clamp(26px, 3.4vw, 36px); margin-top: 14px; }
.dev-text > p { color: var(--text-2); font-size: 17px; margin-top: 16px; }
.pains { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 32px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pains div { background: var(--bg); padding: 20px; transition: background .25s var(--ease); }
.pains div:hover { background: var(--bg-1); }
.pains b { display: block; font-weight: 600; }
.pains span { color: var(--muted); font-size: 14px; }
.audience { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.chip { font-size: 13px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--text-2); }

/* ---------- сетка функций ---------- */
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cell { position: relative; background: var(--bg); padding: 28px; transition: background .25s var(--ease); }
.cell:hover { background: var(--bg-1); }
.cell svg { transition: color .25s var(--ease), transform .35s var(--ease-out); }
.cell:hover svg { color: var(--accent-text); transform: translateY(-2px); }
.cell .num { font: 500 12px/1 var(--mono); color: var(--muted); }
.cell h3 { font-size: 18px; margin-top: 18px; }
.cell p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.cell svg { width: 20px; height: 20px; color: var(--text-2); }
.cell-top { display: flex; justify-content: space-between; align-items: center; }
.more { margin-top: 28px; }
.link { color: var(--text); text-decoration: none; font-weight: 600; font-size: 14px; display: inline-flex; gap: 6px; align-items: center; }
.link::after { content: '→'; transition: transform .2s var(--ease); }
.link:hover::after { transform: translateX(3px); }

/* ---------- партнёрство ---------- */
.partners { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.card h3 { font-size: 19px; margin-top: 14px; }
.card > p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.card ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; font-size: 14px; color: var(--text-2); }
.card li { display: grid; grid-template-columns: 16px 1fr; gap: 10px; }
.card li::before { content: ''; width: 6px; height: 6px; margin: 8px 0 0 4px; border-radius: 1px; background: var(--accent); }
.card { transition: border-color .25s var(--ease), transform .35s var(--ease-out); }
.card:hover { border-color: var(--line-2); transform: translateY(-3px); }
.card .btn { margin-top: auto; align-self: flex-start; }
.card .spacer { flex: 1; min-height: 24px; }
.card.accent { border-color: rgba(109, 74, 255, 0.4); background: linear-gradient(180deg, rgba(109, 74, 255, 0.07), transparent 60%), var(--bg-1); }
.card.accent:hover { border-color: rgba(109, 74, 255, 0.65); }
.card .actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- CTA ---------- */
.cta {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center;
  position: relative; overflow: hidden;
  background: var(--bg-1); border: 1px solid var(--line); border-radius: 16px; padding: 40px;
}
/* Верхняя грань CTA — тонкая линия фиолетовый → синий. */
.cta::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--grad); opacity: .8; }
.cta h2 { font-size: clamp(24px, 3vw, 32px); }
.cta-title { margin-top: 14px; }
.cta p { color: var(--text-2); margin-top: 10px; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 10px; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer a { color: var(--text-2); text-decoration: none; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- плавающий виджет связи ---------- */
.contact-fab { position: fixed; right: 20px; bottom: 20px; z-index: 30; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.contact-fab .menu {
  display: flex; flex-direction: column; gap: 6px; padding: 8px; border-radius: var(--radius);
  background: var(--bg-2); border: 1px solid var(--line-2); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  transform-origin: bottom right; transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.contact-fab .menu[data-open='false'] { opacity: 0; transform: scale(.96) translateY(4px); pointer-events: none; }
.contact-fab .menu a { justify-content: flex-start; min-width: 180px; }
.fab-toggle { border-radius: 999px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45); }
.contact-fab { animation: fab-in .6s .8s var(--ease-out) both; }

/* =========================================================
   Discord-превью (используется на главной и в демо)
   ========================================================= */
.dc {
  background: var(--dc-bg); color: var(--dc-text); border-radius: var(--radius); border: 1px solid #3f4147;
  font: 15px/1.375 'gg sans', 'Noto Sans', Inter, system-ui, sans-serif; overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.dc-top { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid #1f2023; font-weight: 600; color: #f2f3f5; font-size: 15px; }
.dc-top .hash { color: var(--dc-muted); font-weight: 400; font-size: 20px; line-height: 1; }
.dc-body { padding: 16px; display: grid; gap: 16px; }
.dc-msg { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; }
.dc-ava { width: 40px; height: 40px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font: 800 12px/1 var(--mono); color: #fff; flex: none; }
.dc-ava.user { background: #5c6bc0; color: #fff; }
.dc-name { font-weight: 600; color: #f2f3f5; }
.dc-bot { font-size: 10px; font-weight: 600; background: var(--dc-blurple); color: #fff; border-radius: 3px; padding: 1px 4px; margin-left: 4px; vertical-align: 2px; }
.dc-time { color: var(--dc-muted); font-size: 12px; margin-left: 6px; }
.dc-text { margin-top: 2px; }
.dc-mention { background: rgba(88, 101, 242, 0.3); color: #c9cdfb; border-radius: 3px; padding: 0 2px; font-weight: 500; }
.dc-embed {
  margin-top: 6px; background: var(--dc-bg-2); border-left: 4px solid var(--dc-green); border-radius: 4px;
  padding: 10px 14px 14px; max-width: 520px; font-size: 14px;
}
.dc-embed.blurple { border-left-color: var(--dc-blurple); }
.dc-embed.blue { border-left-color: var(--blue); }
.dc-embed.grey { border-left-color: var(--dc-grey); }
.dc-embed { transition: border-color .4s var(--ease); }
.dc-embed.red { border-left-color: var(--dc-red); }
.dc-embed-title { font-weight: 700; color: #f2f3f5; margin-bottom: 6px; }
.dc-embed-sub { font-size: 13px; font-weight: 700; color: #f2f3f5; margin-top: 8px; }
.dc-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 10px; font-size: 13px; }
.dc-fields b { display: block; color: #f2f3f5; font-weight: 600; }
.dc-field { margin-top: 8px; font-size: 13px; }
.dc-field b { display: block; color: #f2f3f5; }
.dc-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.dc-btn {
  font: 500 14px/1 'gg sans', Inter, system-ui, sans-serif; color: #fff; border: 0; border-radius: 3px; padding: 9px 14px;
  background: var(--dc-grey); cursor: pointer; transition: filter .15s var(--ease), opacity .15s var(--ease);
}
.dc-btn:hover { filter: brightness(1.12); }
.dc-btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }
.dc-btn.green { background: var(--dc-green); }
.dc-btn.red { background: var(--dc-red); }
.dc-btn.blurple { background: var(--dc-blurple); }
.dc-row { display: grid; grid-template-columns: 30px 28px minmax(0, 1fr); gap: 6px; align-items: center; font-size: 14px; padding: 2px 0; }
.dc-row .n { font: 12px/1 var(--mono); color: var(--dc-muted); background: var(--dc-bg-3); border-radius: 3px; padding: 3px 0; text-align: center; }
.dc-row .t { font: 600 11px/1 var(--mono); border-radius: 3px; padding: 3px 0; text-align: center; background: var(--dc-bg-3); color: var(--dc-muted); }
.dc-row .t.t1 { color: #d2c8ff; background: rgba(109, 74, 255, 0.32); }
.dc-row .t.t2 { color: #b0cbff; background: rgba(61, 123, 255, 0.28); }
.dc-row .t.t3 { color: #a4e0f2; background: rgba(56, 189, 248, 0.18); }
.dc-row .t.t4 { color: #c6c9d0; background: rgba(148, 155, 164, 0.18); }
.dc-row b { font-weight: 600; color: #f2f3f5; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dc-row .forced { color: var(--accent-text); font-size: 12px; margin-left: 6px; font-weight: 500; }

/* =========================================================
   Движение. Всё, что ниже, включается только при работающем JS
   При prefers-reduced-motion — без сдвигов, только плавное проявление.
   ========================================================= */

/* ---------- появление при прокрутке ---------- */
/* Класс .motion ставит site.js: без JS всё видно сразу, ничего не прячется. */
.motion [data-reveal], .motion [data-stagger] > * {
  opacity: 0; transform: translateY(18px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.motion [data-reveal='scale'] { transform: scale(.97) translateY(10px); }
.motion [data-reveal].is-in, .motion [data-stagger].is-in > * { opacity: 1; transform: none; }

/* Первый экран проявляется сам, по CSS, — без ожидания скрипта. */
.intro > * { animation: rise .8s var(--ease-out) both; }
.intro > :nth-child(2) { animation-delay: .08s; }
.intro > :nth-child(3) { animation-delay: .16s; }
.intro > :nth-child(4) { animation-delay: .24s; }
.intro > :nth-child(5) { animation-delay: .32s; }
.intro-late { animation: pop .9s .25s var(--ease-out) both; }

/* ---------- полоса прокрутки страницы ---------- */
.scroll-progress {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--grad);
  transform-origin: 0 50%; transform: scaleX(var(--p, 0)); pointer-events: none;
}

/* ---------- подсветка под курсором (сетки функций, карточки) ---------- */
.spot { position: relative; isolation: isolate; }
.spot::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(109, 74, 255, 0.09), transparent 65%);
  transition: opacity .3s var(--ease);
}
.spot:hover::before { opacity: 1; }

/* ---------- «живой» список на первом экране ---------- */
.live-dc { position: relative; }
.live-dc .dc-top { justify-content: space-between; }
.live-badge {
  display: inline-flex; align-items: center; gap: 6px; font: 600 11px/1 var(--mono); color: var(--dc-muted);
  text-transform: uppercase; letter-spacing: .06em;
}
.live-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); animation: blink 1.6s ease-in-out infinite; }
.live-dc .rows.main { min-height: calc(5 * 26px); }
.live-dc .rows.reserve { min-height: calc(2 * 26px); }
.live-dc .dc-fields .flash { animation: flash 1.2s var(--ease); }
.live-log { min-height: 72px; display: grid; align-content: start; }
.live-log > * { animation: rise .45s var(--ease-out); }
.live-note {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: start;
  background: rgba(88, 101, 242, 0.08); border-left: 2px solid var(--dc-blurple); border-radius: 4px; padding: 8px 12px; font-size: 13px;
}
.live-note .k { font: 600 10px/1.8 var(--mono); color: var(--dc-muted); text-transform: uppercase; letter-spacing: .06em; }
.dc-btn.press { animation: press .9s var(--ease); }
.rows .dc-row.enter { animation: rise .45s var(--ease-out); }
.rows .dc-row.hl b { color: var(--accent-text); transition: color .3s var(--ease); }
.rows .empty { color: var(--dc-muted); font-size: 13px; font-style: italic; padding: 2px 0; }
.rows { position: relative; }

/* ---------- «Как всё связано» ---------- */
.flow { position: relative; display: grid; gap: 72px; padding-left: 48px; }
.flow::before, .flow::after {
  content: ''; position: absolute; left: 11px; top: 6px; bottom: 6px; width: 2px; border-radius: 2px;
}
.flow::before { background: var(--line); }
.flow::after { background: linear-gradient(180deg, #8467ff, #3d7bff); transform-origin: top; transform: scaleY(var(--p, 0)); }
.flow-step { position: relative; display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 48px; align-items: start; }
.flow-node {
  position: absolute; z-index: 1; left: -48px; top: 2px; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center; font: 700 11px/1 var(--mono); color: var(--muted);
  background: var(--bg); border: 1px solid var(--line-2); transition: color .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.flow-step.reached .flow-node { color: #fff; border-color: transparent; background: var(--grad); }
.flow-text h3 { font-size: clamp(20px, 2.4vw, 26px); }
.flow-text p { color: var(--text-2); margin-top: 12px; }
.flow-text .src { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.flow-text .src span { font: 500 12px/1 var(--mono); color: var(--text-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 10px; }

.scene {
  position: relative; padding: 20px; border-radius: var(--radius); overflow: hidden;
  background: var(--bg-1); border: 1px solid var(--line);
}
.scene .dc { box-shadow: none; }
.scene.dc { background: var(--dc-bg); border-color: #3f4147; }
.d-1 { --d: .1s; } .d-3 { --d: .3s; } .d-9 { --d: .9s; } .d-11 { --d: 1.1s; } .d-18 { --d: 1.8s; } .d-24 { --d: 2.4s; }
.eph-note.gap { margin-top: 10px; }
.defs { position: absolute; }
.scene-label { font: 500 11px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; display: block; }

/* Шаги сцен проявляются, когда шаг на экране; задержка задаётся через --d. */
.motion .scene [data-at] { opacity: 0; transform: translateY(8px); }
.flow-step.is-in .scene [data-at], .scene.is-in [data-at] {
  animation: rise .55s var(--ease-out) both; animation-delay: var(--d, 0s);
}

/* сцена 1: сигнал → сообщение */
.signal { display: grid; grid-template-columns: minmax(0, 1fr) 56px minmax(0, 1.3fr); align-items: center; gap: 0; }
.hud {
  border: 1px solid var(--line-2); border-radius: 10px; padding: 12px; background: var(--bg-2); font-size: 13px;
}
.hud b { display: block; font-size: 14px; }
.hud .m { color: var(--muted); font: 500 11px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.hud .timer { font: 700 20px/1.2 var(--mono); color: var(--blue-text); margin-top: 6px; font-variant-numeric: tabular-nums; }
.wire { width: 100%; height: 20px; overflow: visible; }
.wire path { stroke: url(#wireGrad); stroke-width: 2; fill: none; stroke-dasharray: 60; }
.motion .wire path { stroke-dashoffset: 60; }
.flow-step.is-in .wire path { animation: draw .7s .45s var(--ease-out) forwards; }
.signal .dc { font-size: 13px; }
.signal .dc-body { padding: 12px; }
.signal .dc-msg { grid-template-columns: 32px minmax(0, 1fr); gap: 10px; }
.signal .dc-ava { width: 32px; height: 32px; font-size: 10px; }

/* сцена 2: состав */
.scene-roster .dc-embed { max-width: none; margin-top: 0; }
.scene-roster .rows.main { min-height: calc(5 * 26px); }
.scene-roster .rows.reserve { min-height: 26px; }

/* сцена 3: замена */
.swap { display: grid; gap: 10px; }
.swap .dc-ephemeral { animation: none; }
.fake-select {
  display: flex; justify-content: space-between; align-items: center; background: var(--dc-bg-3); border-radius: 4px;
  padding: 9px 10px; font-size: 14px; color: var(--dc-text);
}
.fake-select::after { content: ''; width: 8px; height: 8px; border-right: 2px solid var(--dc-muted); border-bottom: 2px solid var(--dc-muted); transform: rotate(45deg) translateY(-2px); }
.fake-select .ph { color: var(--dc-muted); }
.typed { display: inline-block; overflow: hidden; white-space: nowrap; vertical-align: bottom; }
.motion .typed { max-width: 0; }
.flow-step.is-in .typed { animation: type .7s steps(14, end) forwards; animation-delay: var(--d, 0s); }

/* сцена 4: статистика и планшет */
.result { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.mini { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-2); padding: 14px; min-width: 0; }
.mini-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.mini-kpis b { display: block; font: 700 22px/1.1 Inter, system-ui, sans-serif; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.mini-kpis span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.mini-kpis .win { color: var(--blue-text); }
.mini-chart { display: block; width: 100%; flex: 1; min-height: 86px; max-height: 200px; margin-top: 12px; }
.mini-chart rect { transform-box: fill-box; transform-origin: 50% 100%; }
.motion .mini-chart rect { transform: scaleY(0); }
.mini-chart .w { fill: var(--accent); }
.mini-chart .l { fill: #2b2b44; }
.is-in .mini-chart rect { animation: grow .7s var(--ease-out) forwards; animation-delay: calc(.3s + var(--i, 0) * 60ms); }
.mini-map { display: block; width: 100%; height: auto; max-height: 240px; border-radius: 6px; background: #0b0b14; }
.mini-map .road { stroke: #23233a; stroke-width: 6; fill: none; stroke-linecap: round; }
.mini-map .block { fill: #13131f; stroke: #1f1f30; }
.mini-map .zone { fill: rgba(61, 123, 255, .12); stroke: rgba(61, 123, 255, .6); stroke-dasharray: 4 4; transform-box: fill-box; transform-origin: center; }
.mini-map .push { stroke: #a08bff; stroke-width: 3; fill: none; stroke-linecap: round; stroke-dasharray: 220; }
.mini-map .head { fill: #a08bff; }
.mini-map .pin { transform-box: fill-box; transform-origin: center; }
.motion .mini-map .zone, .motion .mini-map .pin { transform: scale(0); }
.motion .mini-map .push { stroke-dashoffset: 220; }
.motion .mini-map .head { opacity: 0; }
.mini-map .pin circle { fill: var(--blue); stroke: #fff; stroke-width: 1.5; }
.mini-map .pin text { fill: #fff; font: 700 9px var(--mono); text-anchor: middle; dominant-baseline: central; }
.is-in .mini-map .zone { animation: pop-in .6s .3s var(--ease-out) forwards; }
.is-in .mini-map .push { animation: draw 1.2s .6s var(--ease-out) forwards; }
.is-in .mini-map .head { animation: fade .3s 1.6s forwards; }
.is-in .mini-map .pin { animation: pop-in .45s var(--ease-out) forwards; animation-delay: calc(1.2s + var(--i, 0) * 120ms); }

/* ---------- переходы между страницами (Chrome / Edge; остальные браузеры просто открывают страницу) ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .22s var(--ease) both; }
::view-transition-new(root) { animation: vt-in .4s var(--ease-out) both; }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: scale(.97); } to { opacity: 1; transform: none; } }
@keyframes pop-in { from { transform: scale(0); } 70% { transform: scale(1.12); } to { transform: scale(1); } }
@keyframes grow { to { transform: scaleY(1); } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes type { to { max-width: 16em; } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }
@keyframes flash { 0% { color: var(--accent-text); } 100% { color: var(--dc-text); } }
@keyframes press { 0%, 100% { transform: none; box-shadow: 0 0 0 0 rgba(132, 103, 255, 0); } 30% { transform: scale(.95); box-shadow: 0 0 0 4px rgba(132, 103, 255, .45); } }
@keyframes fab-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes vt-out { to { opacity: 0; transform: translateY(-6px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(10px); } }

/* ---------- адаптив ---------- */
@media (max-width: 980px) {
  .hero .wrap, .dev { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .partners { grid-template-columns: minmax(0, 1fr); }
  .cta { grid-template-columns: minmax(0, 1fr); }
  .flow-step { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  section { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .nav .wrap { gap: 12px; }
  .nav .nav-burger { display: inline-flex; margin-left: auto; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; gap: 2px;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 8px; }
  .nav .login-btn { display: none; }
  .grid, .pains { grid-template-columns: minmax(0, 1fr); }
  .dc-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta { padding: 24px; }
  .contact-fab { right: 16px; bottom: 16px; }
  .flow { padding-left: 36px; gap: 56px; }
  .flow::before, .flow::after { left: 9px; }
  .flow-node { left: -36px; width: 20px; height: 20px; font-size: 10px; }
  .signal { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .signal .wire { display: none; }
  .result { grid-template-columns: minmax(0, 1fr); }
  .scene { padding: 14px; }
}
/* «Уменьшить движение» в системе (в Windows это часто выключенные «Эффекты анимации»):
   анимации остаются, но без сдвигов и масштабирования — только плавное проявление и смена содержимого. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .motion [data-reveal], .motion [data-stagger] > * { transform: none !important; }
  .intro > *, .intro-late, .rows .dc-row.enter, .live-log > *, .dc-ephemeral, .dc-log .dc-msg,
  .flow-step.is-in .scene [data-at], .scene.is-in [data-at] { animation-name: fade !important; }
  .card:hover, .btn:active { transform: none; }
  ::view-transition-old(root) { animation: fade-out .2s var(--ease) both; }
  ::view-transition-new(root) { animation: fade .3s var(--ease) both; }
}
@keyframes fade-out { to { opacity: 0; } }