:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #64748b;
  --primary: #3b82f6;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.brand {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.4px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  margin-left: 16px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--surface);
}

h1 {
  font-size: 48px;
  line-height: 1.1;
  margin: 0 0 16px;
}

p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 18px;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 14px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  font-weight: 700;
  margin-right: 12px;
}

.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
}

.section {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.section .card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  background: #fff;
}

.footer {
  margin-top: 80px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .section {
    grid-template-columns: 1fr;
  }
}