/* Base typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0f172a;
  --card: #111827;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --primary: #38bdf8;
  --primary-dark: #0891b2;
  --radius: 14px;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.08), transparent 30%),
              radial-gradient(circle at 80% 0%, rgba(14, 165, 233, 0.1), transparent 32%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: #7dd3fc;
}

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

.card {
  background: linear-gradient(145deg, #0b1220, #0d1628);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: var(--radius);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.35);
  padding: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: linear-gradient(135deg, var(--primary), #0ea5e9);
  color: #0b1220;
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(56, 189, 248, 0.35);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(56, 189, 248, 0.4);
}

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

input,
select,
textarea {
  width: 100%;
  background: #0b1220;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.hero {
  padding: 3rem 0 1rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 3vw, 3rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}