:root {
  --bg: #0b1020;
  --bg-accent: radial-gradient(1200px 600px at 20% -10%, rgba(78, 120, 255, 0.35), transparent 60%),
               radial-gradient(900px 500px at 90% 0%, rgba(88, 214, 255, 0.25), transparent 55%),
               #0b1020;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --card: rgba(17, 24, 39, 0.72);
  --border: rgba(148, 163, 184, 0.25);
  --primary: #60a5fa;
  --primary-strong: #3b82f6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-accent);
  color: var(--text);
  min-height: 100%;
}

.container {
  width: min(920px, 92vw);
  margin: 56px auto;
  display: grid;
  gap: 20px;
}

.card {
  backdrop-filter: blur(8px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  letter-spacing: .1em;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.1;
}

h1 span {
  color: #cbd5e1;
  font-weight: 500;
}

.intro {
  margin-top: 16px;
  color: #d1d5db;
  max-width: 62ch;
  line-height: 1.7;
}

.actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: .2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #0b1020;
}

.btn-primary:hover {
  background: var(--primary-strong);
  color: #fff;
}

.btn-ghost {
  border-color: var(--border);
  color: #e2e8f0;
  background: rgba(2, 6, 23, 0.35);
}

.btn-ghost:hover {
  border-color: #93c5fd;
  color: #fff;
}

h2 {
  margin: 0 0 12px;
  font-size: 22px;
}

.about p {
  margin: 0;
  line-height: 1.8;
  color: #d1d5db;
}

footer {
  text-align: center;
  color: var(--muted);
  padding: 8px 0 14px;
}

@media (max-width: 640px) {
  .container { margin: 28px auto; }
  .card { padding: 22px; border-radius: 14px; }
  .actions { gap: 10px; }
  .btn { width: 100%; }
}