:root {
  --bg: #fafaf9;
  --fg: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
  --card: #ffffff;
  --accent: #047857;
  --accent-ink: #ffffff;
  --accent-soft: #ecfdf5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12100e;
    --fg: #f5f5f4;
    --muted: #a8a29e;
    --line: #292524;
    --card: #1c1917;
    --accent: #34d399;
    --accent-ink: #052e1f;
    --accent-soft: #10241b;
  }
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--fg); }
body { margin: 0; font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: inherit; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 650; text-decoration: none; letter-spacing: -0.01em; }
.logo span.mark { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--accent); color: var(--accent-ink); font-size: 13px; font-weight: 800; }
nav a { text-decoration: none; color: var(--muted); margin-left: 20px; font-size: 15px; }
nav a:hover { color: var(--fg); }
.btn { display: inline-block; padding: 11px 18px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; }
.btn.ghost { background: transparent; color: var(--fg); border: 1px solid var(--line); }
.hero { padding: 72px 0 56px; max-width: 760px; }
.hero h1 { font-size: clamp(34px, 5.2vw, 54px); line-height: 1.08; letter-spacing: -0.025em; margin: 0 0 18px; }
.hero p { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 640px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.note { font-size: 14px; color: var(--muted); margin-top: 14px; }
section { padding: 48px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 28px; letter-spacing: -0.015em; margin: 0 0 8px; }
section .lead { color: var(--muted); margin: 0 0 28px; max-width: 640px; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; counter-reset: s; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.step::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 13px; margin-bottom: 10px; }
.step h3, .card h3 { margin: 0 0 6px; font-size: 16px; }
.step p, .card p { margin: 0; color: var(--muted); font-size: 15px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.platforms { display: flex; flex-wrap: wrap; gap: 8px; }
.platforms span { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 12px; font-size: 14px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; display: flex; gap: 20px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--muted); }
/* Legal pages */
.doc { max-width: 720px; padding: 40px 0 64px; }
.doc h1 { font-size: 36px; letter-spacing: -0.02em; margin: 0 0 6px; }
.doc .meta { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 21px; margin: 32px 0 8px; }
.doc p, .doc li { color: var(--fg); }
.doc ul { padding-left: 22px; }
@media (max-width: 560px) { nav a.hide-sm { display: none; } .hero { padding-top: 40px; } }