@import url(/fonts.css);
:root {
  --bg: #0E1013; --rail: #0B0C0F; --panel: #121418; --s1: #151820; --s2: #1B1F26;
  --b1: #1E2128; --b2: #23272F; --text: #E8EAED; --text-2: #A9AFB8; --muted: #7C838E;
  --accent: #6E9BFF; --accent-2: #8DB1FF; --accent-soft: rgba(110, 155, 255, .12); --green: #3FB97A; --red: #E5737A; --amber: #E3B565;
  --r: 10px; --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 'Inter Tight', system-ui, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { color: #B3CBFF; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
img, svg { display: block; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* шапка */
.top { position: sticky; top: 0; z-index: 10; background: rgba(14, 16, 19, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--b1); }
.top .wrap { display: flex; align-items: center; height: 64px; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; letter-spacing: -.01em; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; margin-left: auto; font-size: 14.5px; }
.nav a { color: var(--text-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--b2); color: var(--text); border-radius: 8px; height: 36px; padding: 0 12px; font: inherit; }

/* кнопки */
.btn { display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px; border-radius: 8px; border: 1px solid var(--b2); background: var(--s2); color: var(--text); font-weight: 600; font-size: 15px; cursor: pointer; transition: background .15s, border-color .15s; }
.btn:hover { background: #222731; color: var(--text); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0B0C0F; }
.btn-primary:hover { background: var(--accent-2); color: #0B0C0F; }
.btn small { font-weight: 500; opacity: .7; font-size: 13px; }
.btn svg { flex: none; }

/* первый экран */
.hero { padding: 88px 0 72px; border-bottom: 1px solid var(--b1); }
.hero .wrap { display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); border: 1px solid var(--b2); padding: 5px 10px; border-radius: 99px; margin-bottom: 22px; }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 20px; font-weight: 700; }
h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: 18.5px; color: var(--text-2); max-width: 520px; margin: 0 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* превью приложения */
.app-shot { border: 1px solid var(--b2); border-radius: 14px; background: var(--panel); overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, .45); display: grid; grid-template-columns: 44px 170px 1fr; height: 380px; font-size: 12.5px; }
.as-rail { background: var(--rail); border-right: 1px solid var(--b1); display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 10px 0; }
.as-rail span { width: 28px; height: 28px; border-radius: 7px; background: var(--s2); }
.as-rail span:first-child { background: var(--accent); }
.as-list { border-right: 1px solid var(--b1); padding: 10px 8px; display: flex; flex-direction: column; gap: 3px; }
.as-search { height: 26px; border-radius: 6px; background: var(--s1); border: 1px solid var(--b1); margin-bottom: 6px; }
.as-item { display: flex; align-items: center; gap: 8px; padding: 6px; border-radius: 6px; }
.as-item.on { background: var(--s2); }
.as-av { width: 24px; height: 24px; border-radius: 6px; flex: none; }
.as-item b { font-weight: 600; display: flex; align-items: center; gap: 4px; }
.as-item small { color: var(--muted); display: block; font-size: 11px; }
.as-chat { display: flex; flex-direction: column; }
.as-head { height: 42px; border-bottom: 1px solid var(--b1); display: flex; align-items: center; padding: 0 14px; font-weight: 600; gap: 6px; }
.as-ad { margin: 10px 14px 0; border: 1px solid var(--b2); border-radius: 8px; padding: 7px 10px; background: var(--s1); color: var(--text-2); font-size: 11.5px; }
.as-ad b { color: var(--text); }
.as-ad em { font-style: normal; color: var(--muted); font-size: 10.5px; display: block; }
.as-msgs { flex: 1; padding: 12px 14px; display: flex; flex-direction: column; gap: 12px; }
.as-m { display: flex; gap: 9px; }
.as-m .as-av { width: 26px; height: 26px; }
.as-m b { font-weight: 600; margin-right: 6px; }
.as-m time { color: var(--muted); font-size: 11px; }
.as-m p { margin: 2px 0 0; color: var(--text-2); }
.as-input { margin: 0 14px 12px; height: 34px; border-radius: 8px; border: 1px solid var(--b2); background: var(--s1); color: var(--muted); display: flex; align-items: center; padding: 0 10px; }
.tick { display: inline-flex; color: var(--accent); }

/* разделы */
section { padding: 84px 0; border-bottom: 1px solid var(--b1); }
.sec-head { max-width: 640px; margin-bottom: 44px; }
.kicker { font-family: var(--mono); font-size: 12.5px; color: var(--accent); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 12px; }
h2 { font-size: clamp(28px, 3.4vw, 38px); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 14px; }
.sec-head p { color: var(--text-2); margin: 0; font-size: 17px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--b1); border: 1px solid var(--b1); border-radius: 12px; overflow: hidden; }
.cell { background: var(--bg); padding: 28px; }
.cell h3 { margin: 14px 0 8px; font-size: 17px; letter-spacing: -.01em; }
.cell p { margin: 0; color: var(--text-2); font-size: 15px; }
.ico { width: 38px; height: 38px; border-radius: 8px; background: var(--s2); border: 1px solid var(--b2); display: flex; align-items: center; justify-content: center; color: var(--accent); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { border-top: 2px solid var(--b2); padding-top: 18px; }
.step::before { counter-increment: s; content: '0' counter(s); font-family: var(--mono); color: var(--accent); font-size: 13px; }
.step h3 { margin: 8px 0 6px; font-size: 16.5px; }
.step p { margin: 0; color: var(--text-2); font-size: 14.5px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.list li { display: flex; gap: 12px; color: var(--text-2); }
.list li b { color: var(--text); font-weight: 600; }
.list svg { color: var(--green); margin-top: 3px; flex: none; }
.panel { background: var(--panel); border: 1px solid var(--b1); border-radius: 12px; padding: 26px; }
.panel h3 { margin: 0 0 10px; font-size: 17px; }
.panel p { color: var(--text-2); margin: 0 0 12px; font-size: 15px; }
.mono { font-family: var(--mono); font-size: 13px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 18px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.faq details { border-bottom: 1px solid var(--b1); padding: 18px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16.5px; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::after { content: '+'; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq details p { color: var(--text-2); margin: 10px 0 0; max-width: 780px; }

.download { text-align: left; }
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dl { display: flex; gap: 18px; align-items: center; padding: 24px; border: 1px solid var(--b2); border-radius: 12px; background: var(--panel); color: var(--text); }
.dl:hover { border-color: var(--accent); color: var(--text); }
.dl .ico { width: 48px; height: 48px; }
.dl b { display: block; font-size: 17px; }
.dl span { color: var(--muted); font-size: 14px; }

/* текстовые страницы */
.doc { padding: 64px 0 90px; }
.doc .wrap { max-width: 780px; }
.doc h1 { font-size: 40px; }
.doc h2 { font-size: 24px; margin-top: 44px; }
.doc h3 { font-size: 18px; margin-top: 28px; }
.doc p, .doc li { color: var(--text-2); }
.doc ul, .doc ol { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc strong { color: var(--text); }
.doc .updated { color: var(--muted); font-size: 14px; }
.note { border-left: 3px solid var(--accent); background: var(--s1); padding: 14px 18px; border-radius: 0 8px 8px 0; color: var(--text-2); margin: 20px 0; }
.table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 16px 0; }
.table th, .table td { text-align: left; border-bottom: 1px solid var(--b1); padding: 10px 8px; vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; }

/* подвал */
.foot { padding: 48px 0 56px; color: var(--muted); font-size: 14px; border-bottom: 0; }
.foot .wrap { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.foot h4 { color: var(--text); font-size: 14px; margin: 0 0 12px; }
.foot a { color: var(--muted); display: block; margin: 6px 0; }
.foot a:hover { color: var(--text); }
.foot p { margin: 12px 0 0; max-width: 300px; }

@media (max-width: 920px) {
  .hero .wrap, .split { grid-template-columns: 1fr; }
  .app-shot { display: none; }
  .grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .foot .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--panel); border-bottom: 1px solid var(--b1); flex-direction: column; padding: 14px 24px; gap: 14px; }
  .nav.open { display: flex; }
  .menu-btn { display: block; }
  .grid, .steps, .dl-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0; }
  section { padding: 60px 0; }
  .wrap { padding: 0 16px; }
}

/* бета и «как начать» */
.beta { margin-left: 8px; font: 700 10.5px/1 var(--mono); letter-spacing: .08em; color: #0B0C0F; background: var(--amber); padding: 4px 6px 3px; border-radius: 5px; }
.howto { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.howto li { counter-increment: s; position: relative; background: var(--panel); border: 1px solid var(--b1); border-radius: 12px; padding: 22px 22px 22px 64px; color: var(--text-2); }
.howto li::before { content: counter(s); position: absolute; left: 20px; top: 20px; width: 30px; height: 30px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); font-weight: 700; display: flex; align-items: center; justify-content: center; }
.howto b { color: var(--text); display: block; margin-bottom: 4px; }
.login-note { margin-top: 18px; border: 1px solid var(--b2); border-radius: 12px; padding: 20px 22px; background: var(--s1); }
.login-note h3 { margin: 0 0 6px; font-size: 17px; }
.login-note p { margin: 0; color: var(--text-2); }
@media (max-width: 760px) { .howto { grid-template-columns: 1fr; } }