* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, sans-serif;
  color: #111827;
  background: #f8fafc;
  line-height: 1.6;
}

.hero {
  min-height: 100vh;
  padding: 24px;
  color: white;
  background: linear-gradient(135deg, #0f172a, #2563eb);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
}

.links a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-weight: 600;
}

.hero-content {
  max-width: 850px;
  margin: 110px auto 0;
  text-align: center;
}

.hero-content h1 {
  font-size: 48px;
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 28px;
}

.cta-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
}

.primary {
  background: white;
  color: #2563eb;
}

.secondary {
  border: 2px solid white;
  color: white;
}

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 72px 24px;
  text-align: center;
}

.section h2 {
  font-size: 34px;
  margin-bottom: 18px;
}

.alt {
  background: #e0e7ff;
  max-width: none;
}

.grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}

.footer {
  background: #111827;
  color: white;
  text-align: center;
  padding: 24px;
}