:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #0b1f33;
  --muted: #4a5a6a;
  --line: #dbe3ec;
  --brand: #0b5fff;
  --brand-ink: #ffffff;
  --brand-soft: #e7efff;
  --ok: #127a3e;
  --shadow: 0 20px 50px -24px rgba(11, 31, 51, 0.35);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b131d;
    --surface: #16212e;
    --text: #e8eef5;
    --muted: #aebbc9;
    --line: #243243;
    --brand: #5b9bff;
    --brand-ink: #06101c;
    --brand-soft: #152a4a;
    --ok: #4cc37e;
    --shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.8);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--brand); }
img { max-width: 100%; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

header.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav.links { display: flex; gap: 20px; font-size: 15px; }
nav.links a { color: var(--muted); text-decoration: none; }
nav.links a:hover { color: var(--text); }
@media (max-width: 640px) { nav.links .hide-sm { display: none; } }

.hero { padding: 56px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
@media (max-width: 820px) { .hero .wrap { grid-template-columns: 1fr; } }
.eyebrow { display: inline-block; font-size: 14px; font-weight: 600; color: var(--brand); background: var(--brand-soft); padding: 4px 12px; border-radius: 999px; }
h1 { font-size: clamp(34px, 6vw, 54px); line-height: 1.08; margin: 16px 0; letter-spacing: -0.02em; }
.lead { font-size: 19px; color: var(--muted); max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 22px; border-radius: 12px; font-weight: 600; text-decoration: none; border: 1px solid transparent; }
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.ghost { border-color: var(--line); color: var(--text); background: var(--surface); }
.small { font-size: 14px; color: var(--muted); }

.phone { justify-self: center; width: min(320px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 36px; padding: 18px; box-shadow: var(--shadow); }
.phone .bar { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); padding: 2px 6px 12px; }
.card { background: var(--bg); border-radius: 16px; padding: 16px; margin-bottom: 12px; }
.card.live { border: 2px solid var(--ok); }
.card .label { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.card .big { font-size: 34px; font-weight: 700; margin: 2px 0; }
.card .row { display: flex; justify-content: space-between; font-size: 14px; padding: 4px 0; }
.card .note { font-size: 13px; color: var(--muted); }
.stop { display: block; text-align: center; background: #b42318; color: #fff; border-radius: 12px; padding: 12px; font-weight: 700; margin-top: 10px; }

section { padding: 56px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 4vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
.intro { color: var(--muted); max-width: 40em; margin-bottom: 32px; }
.platforms { color: var(--muted); font-size: 15px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--bg); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.step::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: var(--brand-ink); font-weight: 700; margin-bottom: 10px; }
.step h3, .feature h3 { margin: 0 0 6px; font-size: 18px; }
.step p, .feature p { margin: 0; color: var(--muted); font-size: 15px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.feature .icon { font-size: 26px; line-height: 1; margin-bottom: 10px; }

.price { max-width: 520px; margin: 0 auto; text-align: center; background: var(--bg); border: 2px solid var(--brand); border-radius: 20px; padding: 32px 24px; }
.price .amount { font-size: 52px; font-weight: 800; letter-spacing: -0.02em; }
.price .amount span { font-size: 18px; font-weight: 600; color: var(--muted); }
.price ul { text-align: left; padding: 0; list-style: none; margin: 20px 0; }
.price li { padding: 6px 0 6px 28px; position: relative; }
.price li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

footer.bottom { padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
footer.bottom .links { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 14px; }