:root {
  --ink: #0f172a; --muted: #475569; --line: #e2e8f0; --bg: #ffffff; --soft: #f8fafc;
  --brand: #2563eb; --brand-ink: #ffffff; --dark: #1d1d1f;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #f1f5f9; --muted: #94a3b8; --line: #1e293b; --bg: #0b1120; --soft: #111a2e; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; gap: 10px; padding: 18px 0; }
header.top img { width: 32px; height: 32px; border-radius: 8px; }
header.top .name { font-weight: 700; font-size: 19px; color: var(--ink); text-decoration: none; }
header.top nav { margin-left: auto; display: flex; gap: 20px; font-size: 15px; }
header.top nav a { color: var(--muted); text-decoration: none; }
.hero { padding: 48px 0 32px; text-align: center; }
.hero h1 { font-size: clamp(34px, 6vw, 56px); line-height: 1.08; letter-spacing: -1px; margin: 0 0 16px; }
.hero p { font-size: 20px; color: var(--muted); max-width: 680px; margin: 0 auto 28px; }
.btn { display: inline-block; padding: 13px 24px; border-radius: 10px; font-weight: 600; text-decoration: none; }
.btn.primary { background: var(--brand); color: var(--brand-ink); }
.btn.ghost { border: 1px solid var(--line); color: var(--ink); }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.note { font-size: 14px; color: var(--muted); margin-top: 12px; }
.shot { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(15, 23, 42, .15); display: block; }
section { padding: 56px 0; }
h2 { font-size: 32px; letter-spacing: -.5px; margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 18px; margin: 0 0 32px; max-width: 720px; }
.split { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: center; }
.split.flip { grid-template-columns: 1.3fr 1fr; }
.split.flip > :first-child { order: 2; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--soft); }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 760px; }
.plan { padding: 28px; border: 1px solid var(--line); border-radius: 16px; }
.plan.pro { border: 2px solid var(--brand); }
.plan h3 { margin: 0; font-size: 20px; }
.price { font-size: 38px; font-weight: 800; margin: 8px 0 2px; }
.price small { font-size: 16px; font-weight: 500; color: var(--muted); }
.plan ul { padding-left: 20px; color: var(--muted); }
.faq dt { font-weight: 700; margin-top: 18px; }
.faq dd { margin: 4px 0 0; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); }
.doc { max-width: 760px; padding-bottom: 48px; }
.doc h1 { font-size: 34px; margin: 24px 0 4px; }
.doc h2 { font-size: 21px; margin-top: 32px; }
.doc .updated { color: var(--muted); margin-top: 0; }
@media (max-width: 760px) {
  .split, .split.flip, .grid3, .plans { grid-template-columns: 1fr; }
  .split.flip > :first-child { order: 0; }
  header.top nav { gap: 14px; font-size: 14px; }
  section { padding: 40px 0; }
}