:root {
  --bg: #0b0f1b;
  --fg: #e9eefc;
  --muted: #98a0b3;
  --brand: #6aa1ff;
  --brand-2: #9f7bff;
  --glass: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.12);
  --danger: #ff6b6b;
  --success: #7ddc84;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: radial-gradient(1200px 800px at 10% 10%, #121a2f 0%, #0b0f1b 50%, #080b15 100%); color: var(--fg); }

.nav { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; backdrop-filter: blur(8px); background: rgba(8,12,20,0.6); border-bottom: 1px solid var(--border); z-index: 10; }
.nav .brand { font-weight: 800; letter-spacing: 0.2px; }
.nav .brand span { color: var(--brand); }
.nav a { color: var(--fg); text-decoration: none; margin-left: 16px; opacity: 0.85; }
.nav a:hover { opacity: 1; }

.hero { min-height: 72vh; display: grid; place-items: center; padding: 48px 24px; background:
  radial-gradient(600px 400px at 80% 20%, rgba(110,160,255,0.18), transparent 60%),
  radial-gradient(700px 500px at 20% 80%, rgba(159,123,255,0.16), transparent 60%); }
.glass { width: 100%; max-width: 860px; padding: 40px; border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)); box-shadow: 0 20px 60px rgba(0,0,0,0.35); }
h1 { font-size: 56px; line-height: 1.05; margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 20px; }
.cta { display: flex; gap: 12px; margin: 18px 0 8px; flex-wrap: wrap; }
.btn { border: 1px solid var(--border); padding: 12px 18px; border-radius: 12px; text-decoration: none; color: var(--fg); font-weight: 600; display: inline-block; cursor: pointer; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); border-color: transparent; }
.btn.ghost { background: transparent; }

.section { padding: 60px 24px; }
.section h1, .section h2 { text-align: center; margin: 0 0 18px; }
.section.narrow { max-width: 720px; margin: 0 auto; }
.grid { list-style: none; padding: 0; margin: 24px auto; display: grid; gap: 16px; max-width: 960px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid li { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: var(--glass); }
.grid h3 { margin: 0 0 6px; }

.card { border: 1px solid var(--border); border-radius: 14px; padding: 20px; background: var(--glass); }
.row { display: grid; gap: 8px; margin-bottom: 14px; }
label { font-weight: 600; }
input, textarea { width: 100%; padding: 12px 12px; border-radius: 10px; border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: var(--fg); outline: none; }
input:focus, textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(106,161,255,0.18); }
.status { margin-top: 10px; color: var(--success); }
.status.error { color: var(--danger); }
.hp { display: none !important; }

.footer { display: flex; gap: 16px; align-items: center; justify-content: center; padding: 24px; border-top: 1px solid var(--border); color: var(--muted); }