:root {
  --bg: #0f1a14;
  --card: #16261d;
  --text: #e8f5ee;
  --muted: #9db5a6;
  --accent: #3dd68c;
  --on-accent: #06180f;
  --line: #254234;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 22px; }
header.top { padding: 22px 0; border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav a { margin-left: 16px; font-size: 15px; text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--text); }
.hero { padding: 64px 0 40px; text-align: center; }
.hero img { width: 88px; height: 88px; border-radius: 20px; }
h1 { font-size: 40px; line-height: 1.15; margin: 18px 0 12px; }
h2 { font-size: 24px; margin: 40px 0 10px; }
h3 { font-size: 18px; margin: 26px 0 6px; }
.lead { font-size: 20px; color: var(--muted); max-width: 560px; margin: 0 auto 26px; }
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 12px; font-weight: 700;
  background: var(--accent); color: var(--on-accent); text-decoration: none;
}
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); margin-left: 8px; }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 18px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.price { font-size: 30px; font-weight: 800; }
main.doc { padding: 36px 0 60px; }
main.doc h1 { font-size: 32px; margin-top: 0; }
main.doc p, main.doc li { color: #cfe3d7; }
.updated { color: var(--muted); font-size: 14px; }
footer { border-top: 1px solid var(--line); padding: 26px 0 40px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); margin-right: 14px; }