:root {
  color-scheme: dark;
  --bg: #111315;
  --card: #1a1e21;
  --surface: #23272b;
  --fg: #f5f5f5;
  --muted: #a1a1aa;
  --gold: #d4af37;
  --danger: #ef4444;
  --success: #22c55e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
}

a { color: var(--gold); }

.wrap { width: min(960px, 100%); margin: 0 auto; padding: 0 20px; }

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

.brand img { width: 36px; height: 36px; border-radius: 9px; }

nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
nav a:hover, nav a:focus { color: var(--gold); }

main { padding: 24px 0 64px; }

h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 24px; margin: 40px 0 12px; }
h3 { font-size: 18px; margin: 0 0 8px; }

.lead { color: var(--muted); font-size: 18px; max-width: 640px; }

.card {
  background: var(--card);
  border: 1px solid var(--surface);
  border-radius: 16px;
  padding: 20px;
  margin: 12px 0;
}

.price { font-size: 36px; font-weight: 700; color: var(--gold); }

.btn {
  display: inline-block;
  background: var(--gold);
  color: #111315;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 12px;
  text-decoration: none;
  border: 0;
  font-size: 16px;
  font-family: inherit;
  cursor: pointer;
}

.btn.secondary { background: var(--surface); color: var(--fg); }
.btn[disabled] { opacity: 0.5; cursor: default; }

.muted { color: var(--muted); }
.ok { color: var(--success); }
.error { color: var(--danger); margin: 12px 0; }

.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid .card { margin: 0; }

ol.steps { padding-left: 20px; }
ol.steps li { margin: 8px 0; }

label { display: block; margin: 12px 0 6px; }

input[type="email"], input[type="password"], select {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--surface);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  font-family: inherit;
}

.check { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; }
.check input { margin-top: 5px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 16px; }

footer {
  border-top: 1px solid var(--surface);
  padding: 24px 0;
  color: var(--muted);
  font-size: 14px;
}

footer p { margin: 4px 0; }

.document { white-space: pre-wrap; overflow-wrap: anywhere; }
.version { color: var(--gold); font-weight: 600; margin: 0 0 24px; }

ul.docs { list-style: none; padding: 0; display: grid; gap: 12px; }
ul.docs a {
  display: block;
  padding: 16px;
  border: 1px solid var(--surface);
  border-radius: 16px;
  background: var(--card);
  color: var(--fg);
  text-decoration: none;
}
ul.docs a:hover, ul.docs a:focus { border-color: var(--gold); }

[hidden] { display: none !important; }

@media (max-width: 600px) {
  nav a { margin-left: 12px; font-size: 14px; }
}