* {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  margin: 0;
  color: #0f172a;
  background: #ffffff;
}

.hero {
  background: linear-gradient(135deg, #0f172a, #020617);
  color: white;
  padding: 40px 20px 80px;
}

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

.logo {
  font-weight: 700;
  font-size: 1.2rem;
}

.nav-cta {
  color: white;
  text-decoration: none;
  border: 1px solid #38bdf8;
  padding: 8px 14px;
  border-radius: 6px;
}

.hero-content {
  max-width: 700px;
  margin: 80px auto 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.primary-btn {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 22px;
  background: #38bdf8;
  color: #020617;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
}

.section {
  max-width: 1100px;
  margin: auto;
  padding: 80px 20px;
}

.section h2 {
  text-align: center;
  margin-bottom: 50px;
}

.section.dark {
  background: #020617;
  color: white;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: #f8fafc;
  padding: 24px;
  border-radius: 12px;
}

.dark .card {
  background: #0f172a;
}

.steps {
  max-width: 600px;
  margin: auto;
  font-size: 1.05rem;
}

.steps li {
  margin-bottom: 16px;
}

.cta {
  text-align: center;
  background: #f1f5f9;
  border-radius: 16px;
}

.footer {
  text-align: center;
  padding: 30px;
  font-size: 0.9rem;
  color: #64748b;
}