:root {
  --primary: #1e40af;
  --accent: #6366f1;
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --card-bg: #ffffff;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px 20px;
}

header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

nav a {
  margin-left: 20px;
  color: var(--muted);
}

.hero {
  padding: 90px 40px;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border-radius: 20px;
}

.section {
  margin-top: 80px;
}

.card {
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
  margin-top: 20px;
}

.cta {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 28px;
  background: var(--accent);
  color: white;
  border-radius: 999px;
  font-weight: 600;
}

footer {
  margin-top: 100px;
  background: white;
  border-top: 1px solid #e5e7eb;
}