:root {
  --bg: #08090d;
  --surface: #0e1017;
  --surface-2: #131620;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }

.bar, .foot, main { max-width: 1040px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

.bar { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 650; }
.brand:hover { text-decoration: none; }
.bar nav { display: flex; gap: 22px; font-size: 15px; }
.bar nav a { color: var(--muted); }
.bar nav a[aria-current="page"], .bar nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 64px 0 40px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 18px; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.hero img.shot { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 20px; border-radius: 10px; font-weight: 600; font-size: 15px; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.note { color: var(--muted); font-size: 14px; }

section { padding: 48px 0; }
section h2 { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 8px; }
section > p.muted { margin: 0 0 28px; }
.muted { color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 820px; }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.plan.pro { border-color: rgba(59, 130, 246, 0.55); }
.plan h3 { margin: 0; font-size: 18px; }
.plan .price { font-size: 36px; font-weight: 700; margin: 6px 0 2px; }
.plan .price small { font-size: 15px; color: var(--muted); font-weight: 500; }
.plan ul { padding-left: 20px; margin: 16px 0 22px; color: var(--muted); }
.plan li { margin: 6px 0; }
.plan li strong { color: var(--text); font-weight: 600; }

.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; max-width: 820px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); margin: 10px 0 0; }

.doc { max-width: 760px; padding-top: 32px; padding-bottom: 48px; }
.doc h1 { font-size: 36px; margin: 0 0 4px; }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc h3 { font-size: 17px; margin: 22px 0 4px; }
.doc p, .doc li { color: #cbd5e1; }

.foot { display: flex; gap: 22px; padding-top: 28px; padding-bottom: 40px; border-top: 1px solid var(--border); font-size: 14px; }
.foot a { color: var(--muted); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; gap: 32px; }
  .hero h1 { font-size: 36px; }
  .grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .grid, .plans { grid-template-columns: 1fr; }
  .hero h1 { font-size: 31px; }
  .bar nav { gap: 16px; }
}