/* Лендинг Звонаря: чёрный фон, тонкие линии-рамки, крупный заголовок, «таблетки»-кнопки, макеты интерфейса из HTML. */
:root { --bg: #000; --card: #0b0b0b; --line: #1c1c1c; --line2: #2a2a2a; --text: #fff; --muted: #8b8b8b; --accent: #2f5bff; --ok: #22c55e; --bad: #ef4444; --warn: #f59e0b; --info: #3b82f6;
  --font: "Geist", "Inter", -apple-system, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif; }
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font: 16px/1.55 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; }
.frame { border-left: 1px dashed var(--line); border-right: 1px dashed var(--line); }

nav.top { position: sticky; top: 0; z-index: 20; background: rgba(0,0,0,.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
nav.top .wrap { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; }
.brand i { width: 26px; height: 26px; border-radius: 8px; background: var(--accent); display: grid; place-items: center; font-style: normal; font-size: 14px; font-weight: 700; }
nav.top .links { display: flex; gap: 26px; color: var(--muted); font-size: 14px; flex: 1; justify-content: center; }
nav.top .links a:hover { color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line2); background: #0e0e0e; font-size: 14px; cursor: pointer; transition: .15s; white-space: nowrap; }
.btn:hover { background: #181818; }
.btn.white { background: #fff; color: #000; border-color: #fff; font-weight: 500; } .btn.white:hover { background: #e8e8e8; }
.btn.lg { padding: 13px 26px; font-size: 15px; }

.hero { text-align: center; padding: 104px 0 56px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -40% 10% auto; height: 70%; background: radial-gradient(ellipse at center, rgba(47,91,255,.22), transparent 70%); pointer-events: none; }
.hero .tag { display: inline-flex; gap: 8px; align-items: center; padding: 5px 14px; border: 1px solid var(--line2); border-radius: 999px; font-size: 13px; color: #cfcfcf; margin-bottom: 26px; }
.hero .tag b { width: 7px; height: 7px; border-radius: 99px; background: var(--ok); box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: pulse 1.8s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); } 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); } }
h1 { font-size: clamp(36px, 6vw, 68px); line-height: 1.04; letter-spacing: -.035em; font-weight: 600; max-width: 900px; margin: 0 auto 22px; }
h1 span { background: linear-gradient(90deg, #fff, #8fa8ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { color: var(--muted); font-size: clamp(16px, 2vw, 19px); max-width: 640px; margin: 0 auto 34px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .note { margin-top: 18px; font-size: 13px; color: #5f5f5f; }

/* макет интерфейса */
.mock { margin: 54px auto 0; max-width: 1040px; border: 1px solid var(--line2); border-radius: 18px; background: #050505; overflow: hidden; text-align: left; box-shadow: 0 40px 120px rgba(47,91,255,.12); }
.mock .bar { display: flex; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); } .mock .bar i { width: 10px; height: 10px; border-radius: 99px; background: #262626; }
.mock .body { display: grid; grid-template-columns: 190px 1fr; min-height: 380px; }
.mock .side { border-right: 1px solid var(--line); padding: 14px 10px; font-size: 13px; color: #b5b5b5; } .mock .side div { padding: 7px 10px; border-radius: 8px; } .mock .side .on { background: #151515; color: #fff; } .mock .side small { display: block; color: #555; padding: 10px 10px 4px; font-size: 11px; }
.mock .main { padding: 20px; } .mock h4 { font-size: 20px; margin-bottom: 14px; letter-spacing: -.02em; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; } .cards.two { grid-template-columns: repeat(2, 1fr); }
.mc { border: 1px solid var(--line); background: #0a0a0a; border-radius: 12px; padding: 14px; } .mc small { color: var(--muted); font-size: 12px; } .mc b { display: block; font-size: 26px; letter-spacing: -.02em; margin: 6px 0 2px; } .mc span { color: var(--muted); font-size: 11.5px; }
.live { margin-bottom: 12px; border: 1px solid var(--line2); border-radius: 12px; padding: 12px 14px; background: #0a0a0a; font-size: 13px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; } .live .c { color: #9a9a9a; } .live .c b { color: #fff; font-weight: 500; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 11px; } .pill.ok { background: rgba(34,197,94,.14); color: var(--ok); } .pill.bad { background: rgba(239,68,68,.14); color: var(--bad); } .pill.warn { background: rgba(245,158,11,.14); color: var(--warn); } .pill.info { background: rgba(59,130,246,.14); color: var(--info); }

section { padding: 96px 0; border-top: 1px solid var(--line); position: relative; }
.eyebrow { color: var(--info); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 14px; }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.1; letter-spacing: -.03em; font-weight: 600; max-width: 720px; margin-bottom: 16px; }
.sub { color: var(--muted); max-width: 600px; margin-bottom: 44px; font-size: 17px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; } .grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card { border: 1px solid var(--line); background: var(--card); border-radius: 18px; padding: 26px; transition: .2s; } .card:hover { border-color: var(--line2); background: #101010; }
.card h3 { font-size: 18px; margin: 14px 0 8px; letter-spacing: -.01em; font-weight: 600; } .card p { color: var(--muted); font-size: 15px; }
.num { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--line2); display: grid; place-items: center; color: #cfcfcf; font-size: 14px; }
.ico { width: 40px; height: 40px; border-radius: 11px; background: rgba(47,91,255,.14); display: grid; place-items: center; font-size: 19px; }

.demo { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; }
.chat { border: 1px solid var(--line2); border-radius: 18px; background: #070707; padding: 22px; display: grid; gap: 10px; min-height: 420px; align-content: start; }
.b { max-width: 82%; padding: 10px 14px; border-radius: 15px; font-size: 14.5px; opacity: 0; transform: translateY(8px); transition: .4s; border: 1px solid var(--line); background: #101010; } .b.show { opacity: 1; transform: none; }
.b small { display: block; color: #6b6b6b; font-size: 11px; margin-bottom: 2px; } .b.bot { justify-self: start; } .b.user { justify-self: end; background: #fff; color: #000; border-color: #fff; } .b.user small { color: #777; }
.result { opacity: 0; transition: .5s; margin-top: 6px; border: 1px solid rgba(34,197,94,.35); background: rgba(34,197,94,.07); border-radius: 14px; padding: 14px 16px; font-size: 14px; } .result.show { opacity: 1; } .result b { color: var(--ok); }
ul.ticks { list-style: none; padding: 0; display: grid; gap: 12px; margin-top: 8px; } ul.ticks li { padding-left: 28px; position: relative; color: #cfcfcf; } ul.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

.funnel { display: grid; gap: 12px; } .funnel .f { display: grid; grid-template-columns: 100px 1fr 90px; gap: 12px; align-items: center; font-size: 14px; } .funnel .t { height: 30px; background: #111; border-radius: 9px; overflow: hidden; } .funnel .t i { display: block; height: 100%; background: linear-gradient(90deg, #2f5bff, #6aa0ff); border-radius: 9px; }
.stats4 { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; } .stats4 div { padding: 26px; border-right: 1px solid var(--line); } .stats4 div:last-child { border: 0; } .stats4 b { font-size: 34px; letter-spacing: -.03em; display: block; } .stats4 span { color: var(--muted); font-size: 14px; }

.final { text-align: center; padding: 110px 0; } .final h2 { margin: 0 auto 18px; } .final .sub { margin: 0 auto 32px; }
footer { border-top: 1px solid var(--line); padding: 34px 0; color: #6b6b6b; font-size: 13.5px; } footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s, transform .7s; } .reveal.in { opacity: 1; transform: none; }
@media (max-width: 900px) { .grid3, .grid2, .demo { grid-template-columns: 1fr; } .stats4 { grid-template-columns: 1fr 1fr; } .stats4 div { border-bottom: 1px solid var(--line); } nav.top .links { display: none; } .mock .body { grid-template-columns: 1fr; } .mock .side { display: none; } .cards { grid-template-columns: 1fr; } .live { grid-template-columns: 1fr; } .wrap { padding: 0 16px; } section { padding: 64px 0; } .hero { padding-top: 64px; } }
@media (max-width: 480px) { h1 { font-size: 30px; } h2 { font-size: 26px; } .hero { padding-bottom: 36px; } }