body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  background: rgba(15, 23, 42, 0.95);
  padding: 1rem 0;
  position: sticky;
  top: 0;
}

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

.nav-list {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.nav-list a {
  color: #9ca3af;
  text-decoration: none;
}

.hero {
  padding: 3rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.hero-image img {
  width: 100%;
  border-radius: 15px;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  text-decoration: none;
  margin-right: 0.5rem;
}

.primary {
  background: #38bdf8;
  color: #020617;
}

.secondary {
  border: 1px solid #38bdf8;
  color: #38bdf8;
}

.section {
  padding: 2rem 0;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.card {
  background: #0b1120;
  padding: 1rem;
  border-radius: 12px;
}

.site-footer {
  text-align: center;
  padding: 1rem;
  color: #9ca3af;
}