@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Source+Sans+3:wght@400;500;600&display=swap');

:root { --gold: #c5a26f; }

.heading-serif {
  font-family: 'Playfair Display', Georgia, serif;
  letter-spacing: -0.02em;
}

body {
  background: #0a1629;
  color: #e5e5e5;
}

.nav-link { transition: color 0.2s ease; }
.nav-link:hover { color: #00d4ff; }

.book-card {
  background: #0f2847;
  border: 1px solid #1a3a5c;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.book-card:hover {
  transform: translateY(-3px);
  border-color: #00d4ff;
  box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.6);
}