:root {
  --bg: #0f172a;
  --surface: #111827;
  --surface-2: #1f2937;
  --text: #f9fafb;
  --text-muted: #d1d5db;
  --primary: #22c55e;
  --primary-dark: #16a34a;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #1e293b 0%, #0b1020 60%);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.header {
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
}

.hero {
  padding: 6rem 0 4rem;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #86efac;
  font-size: 0.8rem;
}

h1 {
  font-size: clamp(2.1rem, 4.8vw, 3.8rem);
  margin: 0.4rem 0 1rem;
  line-height: 1.1;
}

.lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-block;
  padding: 0.72rem 1.1rem;
  border-radius: 0.6rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: 180ms ease;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: #052e16;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #dcfce7;
}

.btn-secondary {
  border-color: var(--border);
  color: var(--text);
  background: rgba(17, 24, 39, 0.7);
}

.btn-secondary:hover {
  background: var(--surface-2);
}

.features {
  padding: 2.5rem 0 5rem;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1.2rem;
  background: rgba(17, 24, 39, 0.72);
}

.card h2 {
  margin: 0;
  font-size: 1.1rem;
}

.card p {
  margin-bottom: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1rem 0 1.4rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}