:root {
  --navy: #0b1730;
  --navy-2: #101f3d;
  --amber: #f5a623;
  --gold: #ffd27a;
  --burnt: #d9711a;
  --text: #eef2f8;
  --muted: #b9c3d6;
  --card: #142545;
  --border: rgba(255, 210, 122, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 15% -10%, #16264a 0%, var(--navy) 45%, var(--navy) 100%);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 23, 48, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.brand span {
  font-size: 1.05rem;
  color: var(--text);
}

nav.main-nav a {
  text-decoration: none;
  color: var(--muted);
  margin-left: 28px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--gold);
}

/* Hero */
.hero {
  padding: 90px 24px 70px;
  text-align: center;
}

.hero img.hero-logo {
  width: 132px;
  height: 132px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(245, 166, 35, 0.25);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 14px;
  background: linear-gradient(120deg, var(--gold), var(--amber) 40%, var(--burnt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.5px;
}

.hero p.tagline {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto;
}

.cta-row {
  margin-top: 34px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(120deg, var(--amber), var(--burnt));
  color: #1a1005;
  box-shadow: 0 12px 30px rgba(245, 166, 35, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border-color: var(--border);
}

.btn-outline:hover { border-color: var(--gold); }

.btn-small {
  padding: 10px 18px;
  font-size: 0.85rem;
}

/* Sections */
section { padding: 60px 24px; }

.section-title {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--text);
}

.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 40px;
}

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  max-width: 780px;
  margin: 0 auto;
}

.about-card p {
  color: var(--muted);
  margin: 0 0 16px;
}

.about-card p:last-child { margin-bottom: 0; }

.series-teaser {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 780px;
  margin: 0 auto;
}

.series-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
}

.series-card h3 {
  margin-top: 0;
  font-size: 1.4rem;
  color: var(--gold);
}

.series-card p { color: var(--muted); }

/* Book grid */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
  max-width: 1080px;
  margin: 0 auto;
}

.book-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.book-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.book-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  background: #0d1830;
}

.book-card h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text);
}

.book-card .book-meta {
  color: var(--muted);
  font-size: 0.85rem;
  flex-grow: 1;
  margin: 0;
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer.site-footer a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 600;
}

footer.site-footer .footer-links {
  margin-top: 10px;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

.badge-note {
  display: inline-block;
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 999px;
  padding: 6px 16px;
}

@media (max-width: 640px) {
  nav.main-nav a { margin-left: 16px; font-size: 0.85rem; }
  .hero { padding: 60px 20px 50px; }
}