:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #f4f7fb;
  --muted: #94a3b8;
  --accent: #4d70eb;
  --accent2: #6b8cff;
  --ok: #22c55e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 14px;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: linear-gradient(160deg, #0b1020 0%, #121a2e 45%, #0f1419 100%);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
.nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; font-size: 14px; }
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
h1 { font-size: 1.75rem; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 0 0 12px; color: var(--muted); font-weight: 500; }
.muted { color: var(--muted); font-size: 0.95rem; line-height: 1.5; }
.plans { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.plan {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.plan.selected, .plan:hover { border-color: var(--accent); transform: translateY(-2px); }
.price { font-size: 1.75rem; font-weight: 700; margin: 8px 0; }
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.secondary { background: transparent; border: 1px solid rgba(255,255,255,0.2); }
input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: #0d121c;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 12px;
}
.bank-box {
  background: #0d121c;
  border-radius: 12px;
  padding: 16px;
  font-family: ui-monospace, monospace;
  font-size: 1.1rem;
  line-height: 1.8;
}
.timer { font-size: 1.5rem; font-weight: 700; color: var(--warn); margin: 12px 0; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(34,197,94,0.15); color: var(--ok); }
.badge.no { background: rgba(239,68,68,0.15); color: var(--danger); }
.error { color: var(--danger); margin-top: 8px; font-size: 14px; }
[hidden] { display: none !important; }

/* Landing page */
.landing .hero h1 { font-size: 2rem; margin-bottom: 12px; }
.landing .eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent2);
  margin: 0 0 12px;
  font-weight: 600;
}
.landing .hero-lead { font-size: 1.05rem; max-width: 52ch; }
.landing .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.landing .feature-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  line-height: 1.7;
}
.landing .feature-list li { margin-bottom: 10px; }
.landing .feature-list strong { color: var(--text); }
.landing .footer { text-align: center; margin-top: 32px; font-size: 0.85rem; }