:root {
  --navy: #071426;
  --navy-2: #0d2038;
  --silver: #d8e7f1;
  --gold: #f4c96b;
  --fire: #ff7b35;
  --blue: #63d7ff;
  --muted: #a8bac8;
  --card: rgba(255,255,255,.08);
  --line: rgba(255,255,255,.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--silver);
  background: radial-gradient(circle at top left, #153252 0, var(--navy) 38%, #030811 100%);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 7vw;
  background: rgba(3,8,17,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.logo {
  color: white;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: var(--silver); font-size: .95rem; }
nav a:hover { color: var(--gold); }
.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 48px;
  padding: 80px 7vw;
}
.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .78rem;
  font-weight: 700;
}
h1, h2, h3 { line-height: 1.1; margin: 0 0 18px; }
h1 {
  font-size: clamp(3rem, 7vw, 6.8rem);
  color: white;
  text-shadow: 0 0 34px rgba(99,215,255,.28);
}
h2 { font-size: clamp(2rem, 4vw, 3.4rem); color: white; }
h3 { color: white; font-size: 1.45rem; }
.hero-text { font-size: 1.25rem; max-width: 760px; color: var(--muted); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }
.button {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 700;
}
.button.primary { background: linear-gradient(135deg, var(--fire), var(--gold)); color: #170b05; }
.button.secondary { color: var(--silver); background: rgba(255,255,255,.06); }
.hero-art {
  min-height: 440px;
  border: 1px solid var(--line);
  border-radius: 28px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 34px;
  background: radial-gradient(circle, rgba(99,215,255,.25), rgba(244,201,107,.10) 45%, rgba(255,255,255,.05));
  box-shadow: 0 0 70px rgba(99,215,255,.18), inset 0 0 60px rgba(255,255,255,.08);
  color: var(--muted);
}
.crystal { font-size: 7rem; color: var(--blue); text-shadow: 0 0 40px var(--blue); }
.section, .intro-section {
  padding: 70px 7vw;
}
.intro-section {
  max-width: 1050px;
  margin: 0 auto;
  text-align: center;
}
.intro-section p { font-size: 1.2rem; color: var(--muted); }
.section-heading { margin-bottom: 30px; }
.book-grid, .guardian-grid, .world-grid {
  display: grid;
  gap: 22px;
}
.book-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.book-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 22px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
}
.book-cover, .author-photo {
  min-height: 260px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(99,215,255,.20), rgba(255,123,53,.18));
  border: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  padding: 18px;
}
.dark-panel {
  background: rgba(0,0,0,.24);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.guardian-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.guardian-grid article, .world-grid article {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
}
.guardian-grid p, .world-grid p, .book-card p, .about-section p, .contact-section p { color: var(--muted); }
.world-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.download-banner, .contact-section {
  text-align: center;
  background: linear-gradient(135deg, rgba(99,215,255,.12), rgba(244,201,107,.10));
}
.about-section {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 36px;
  align-items: center;
}
.author-photo { min-height: 260px; }
footer {
  padding: 32px 7vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  background: rgba(0,0,0,.28);
}
@media (max-width: 900px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 12px; }
  .hero, .book-grid, .about-section { grid-template-columns: 1fr; }
  .guardian-grid, .world-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .book-card { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  nav { gap: 10px; }
  .hero { padding-top: 54px; }
  .guardian-grid, .world-grid { grid-template-columns: 1fr; }
}