/* Тема «ночная смена»: полуночный синий, янтарный свет фонаря, фиолетовый — цвет самой панели бота. */
:root {
  --night: #0b1022;
  --night-2: #11173a;
  --night-3: #18204a;
  --line: #242d5c;
  --ink: #eceff8;
  --muted: #9aa3c4;
  --faint: #6a7398;
  --amber: #ffb547;
  --amber-soft: rgba(255, 181, 71, .12);
  --amber-ink: #1d1404;
  --violet: #8f7cff;
  --violet-soft: rgba(143, 124, 255, .16);
  --display: "Dela Gothic One", "Arial Black", Impact, sans-serif;
  --body: "Onest", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  --radius: 16px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font: 400 17px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--amber); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3, p { margin: 0; }
.mono { font-family: var(--mono); font-size: .92em; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--amber); color: var(--amber-ink); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }

/* ---------- кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 50px; padding: 0 24px; border-radius: 12px;
  font: 600 16px/1 var(--body); text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; transition: background .2s, border-color .2s, transform .2s;
}
.btn:active { transform: translateY(1px); }
.btn-amber { background: var(--amber); color: var(--amber-ink); }
.btn-amber:hover { background: #ffc46b; }
.btn-ghost { color: var(--ink); border-color: var(--line); background: rgba(255, 255, 255, .02); }
.btn-ghost:hover { border-color: var(--amber); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14.5px; border-radius: 10px; }

/* ---------- шапка ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 16, 34, .82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(36, 45, 92, .6);
}
.top-row { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; }
.logo-mark {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: var(--violet); color: #fff; font: 400 13px/1 var(--display);
}
.top-nav { display: flex; gap: 24px; margin-left: auto; }
.top-nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.top-nav a:hover { color: var(--ink); }

/* ---------- первый экран ---------- */
.hero { position: relative; padding: 72px 0 96px; overflow: hidden; }
.hero::before { /* свет из окна за чатом */
  content: ""; position: absolute; right: -10%; top: -20%; width: 70%; height: 130%;
  background: radial-gradient(closest-side, rgba(143, 124, 255, .18), transparent 70%),
              radial-gradient(closest-side at 70% 80%, rgba(255, 181, 71, .08), transparent 70%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.eyebrow { color: var(--amber); font: 500 14px/1 var(--mono); letter-spacing: .04em; margin-bottom: 22px; }
h1 {
  font: 400 clamp(40px, 5.4vw, 74px)/1.04 var(--display);
  letter-spacing: -.01em;
}
h1 .t { color: var(--amber); font-variant-numeric: tabular-nums; }
.lead { margin-top: 26px; max-width: 34em; font-size: 19px; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 28px 0 0; color: var(--faint); font-size: 14.5px; }
.hero-facts li::before { content: "✓"; color: var(--amber); margin-right: 8px; }

/* ---------- чат (главный элемент страницы) ---------- */
.chat {
  margin: 0; background: linear-gradient(180deg, #121a40, #0f1534);
  border: 1px solid var(--line); border-radius: 22px;
  box-shadow: 0 30px 80px rgba(3, 5, 18, .55), inset 0 1px 0 rgba(255, 255, 255, .04);
}
.chat-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.chat-avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: #2a3366; font-weight: 700; color: #c9cfee; }
.chat-who { display: grid; line-height: 1.25; }
.chat-who b { font-weight: 600; font-size: 15px; }
.chat-who small { color: var(--faint); font-size: 12.5px; transition: color .2s; }
.chat-who small.typing { color: var(--violet); }
.chat-clock { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; font: 500 15px/1 var(--mono); color: var(--amber); font-variant-numeric: tabular-nums; }
.moon { width: 13px; height: 13px; border-radius: 50%; box-shadow: inset -4px -2px 0 0 var(--amber); transform: rotate(-20deg); }
.chat-feed { list-style: none; margin: 0; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.m { max-width: 84%; padding: 9px 13px; border-radius: 14px; font-size: 14.5px; line-height: 1.45; transition: opacity .45s ease, transform .45s ease; }
.m-meta { display: block; color: var(--faint); font: 400 11.5px/1.4 var(--mono); margin-bottom: 2px; }
.m.in { align-self: flex-start; background: #1d2550; border-bottom-left-radius: 4px; }
.m.bot { align-self: flex-end; background: var(--violet-soft); border: 1px solid rgba(143, 124, 255, .28); border-bottom-right-radius: 4px; }
.m.sys { align-self: center; max-width: 92%; text-align: center; color: var(--muted); font-size: 13px; background: transparent; padding: 4px 6px; }
.key { display: inline-block; margin-top: 4px; padding: 2px 8px; border-radius: 6px; background: rgba(11, 16, 34, .55); color: var(--ink); letter-spacing: .03em; }
.m.review { align-self: stretch; max-width: none; background: var(--amber-soft); border: 1px solid rgba(255, 181, 71, .3); display: grid; gap: 4px; }
.stars { color: var(--amber); letter-spacing: 2px; font-size: 15px; }
.review-text { font-weight: 500; }
.review-reply { margin-top: 6px; padding-top: 8px; border-top: 1px dashed rgba(255, 181, 71, .3); color: var(--muted); }
.chat-note { padding: 0 18px 16px; color: var(--faint); font: 400 12.5px/1.4 var(--mono); }
/* До запуска анимации сообщения занимают место, но не видны — без скачков вёрстки. */
.chat.playing .m.pending { opacity: 0; transform: translateY(8px); }

/* ---------- общие секции ---------- */
.section { padding: 96px 0; border-top: 1px solid rgba(36, 45, 92, .55); }
.h2 { font: 400 clamp(30px, 3.6vw, 46px)/1.1 var(--display); letter-spacing: -.005em; max-width: 18em; }
.sub { margin-top: 16px; max-width: 40em; color: var(--muted); font-size: 18px; }
.caption, .note { margin-top: 18px; color: var(--faint); font-size: 14.5px; }
.note { margin-top: 32px; padding-left: 14px; border-left: 2px solid var(--amber); color: var(--muted); }

/* ночная смена: события по времени */
.shift { list-style: none; padding: 0; margin: 48px 0 0; position: relative; }
.shift::before { content: ""; position: absolute; left: 86px; top: 10px; bottom: 10px; width: 1px; background: var(--line); }
.shift li { position: relative; display: grid; grid-template-columns: 70px 1fr; gap: 40px; padding: 18px 0; }
.shift li::after { content: ""; position: absolute; left: 82px; top: 29px; width: 9px; height: 9px; border-radius: 50%; background: var(--night); border: 2px solid var(--amber); }
.shift time { font: 500 17px/1.6 var(--mono); color: var(--amber); font-variant-numeric: tabular-nums; padding-top: 2px; }
.shift h3 { font-size: 20px; font-weight: 600; line-height: 1.35; }
.shift p { margin-top: 6px; color: var(--muted); max-width: 44em; }

/* панель */
.section-panel { background: linear-gradient(180deg, rgba(17, 23, 58, .55), transparent 70%); }
.tabs { display: inline-flex; flex-wrap: wrap; gap: 4px; margin-top: 36px; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: var(--night-2); }
.tabs button {
  font: 500 15px/1 var(--body); color: var(--muted); background: transparent; border: 0;
  padding: 11px 16px; border-radius: 9px; cursor: pointer;
}
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--night-3); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.browser { margin: 18px 0 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #0e1014; box-shadow: 0 30px 80px rgba(3, 5, 18, .5); }
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: #15181e; border-bottom: 1px solid #262b35; }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2c313c; }
.browser-bar span { margin-left: 12px; color: #6f7686; font: 400 12.5px/1 var(--mono); }
.browser img { width: 100%; transition: opacity .25s; }
.browser img.swap { opacity: .25; }

/* доверие */
.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 44px; border-top: 1px solid var(--line); }
.trust > div { padding: 26px 28px 4px 0; }
.trust > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.trust h3, .steps h3 { font-size: 19px; font-weight: 600; line-height: 1.35; }
.trust p, .steps p { margin-top: 8px; color: var(--muted); }

/* шаги */
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.steps li { counter-increment: step; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--night-2); }
.steps li::before { content: counter(step); display: block; font: 400 34px/1 var(--display); color: var(--amber); margin-bottom: 18px; }

/* тарифы */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 44px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: 28px 24px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--night-2); }
.plan h3 { font-size: 17px; font-weight: 600; color: var(--muted); }
.price { margin-top: 14px; font: 400 44px/1 var(--display); white-space: nowrap; }
.price span { font: 600 26px/1 var(--body); color: var(--muted); margin-left: 2px; }
.per { margin-top: 10px; color: var(--amber); font-size: 13.5px; }
.plan-note { margin: 14px 0 24px; color: var(--muted); font-size: 15px; flex: 1; }
.plan .btn { width: 100%; }
.plan-main { border-color: rgba(255, 181, 71, .55); background: linear-gradient(180deg, rgba(255, 181, 71, .08), var(--night-2) 55%); }
.badge { position: absolute; top: -12px; left: 22px; padding: 4px 10px; border-radius: 99px; background: var(--amber); color: var(--amber-ink); font: 600 12px/1.3 var(--body); }

/* вопросы */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px;
  padding: 20px 0; font-weight: 600; font-size: 18px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--amber); font: 400 22px/1 var(--mono); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--muted); max-width: 40em; }

/* финал и подвал */
.final { padding: 80px 0; border-top: 1px solid rgba(36, 45, 92, .55); background: radial-gradient(60% 120% at 50% 100%, rgba(255, 181, 71, .1), transparent 70%); }
.final-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.final-title { font: 400 clamp(26px, 3vw, 38px)/1.15 var(--display); max-width: 16em; }
.foot { padding: 28px 0 36px; border-top: 1px solid rgba(36, 45, 92, .55); color: var(--faint); font-size: 14px; }
.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot a { color: var(--muted); }

/* ---------- адаптив ---------- */
@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .chat { max-width: 560px; }
  .plans { grid-template-columns: repeat(2, 1fr); }
  .faq-wrap { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .top-nav { display: none; }
  .top-row { justify-content: space-between; }
  .hero { padding: 44px 0 64px; }
  .lead { font-size: 17.5px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .section { padding: 64px 0; }
  .shift::before { left: 4px; }
  .shift li { grid-template-columns: 1fr; gap: 4px; padding: 14px 0 14px 26px; }
  .shift li::after { left: 0; top: 22px; }
  .trust { grid-template-columns: 1fr; }
  .trust > div, .trust > div + div { padding: 22px 0 4px; border-left: 0; }
  .trust > div + div { border-top: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .m { max-width: 92%; }
  .final-row .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}