:root {
  --navy: #1a2744;
  --navy-dark: #0f1a2e;
  --crimson: #8b1a1a;
  --gold: #c9a84c;
  --gold-light: #e8cc82;
  --cream: #f8f4ed;
  --warm-white: #fdfaf4;
  --text-dark: #1a1a1a;
  --text-mid: #3d3d3d;
  --text-light: #6b6b6b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Libre Baskerville', Georgia, serif;
  background: var(--warm-white);
  color: var(--text-dark);
  max-width: 100%;
  overflow-x: hidden;
}

/* NAV */
.chapter-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-dark);
  border-bottom: 2px solid var(--gold);
  padding: 14px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-back, .nav-next {
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-back:hover, .nav-next:hover { color: var(--gold-light); }

.nav-title {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

/* HEADER */
.chapter-header {
  background: var(--navy);
  text-align: center;
  padding: 80px 48px 72px;
  position: relative;
  overflow: hidden;
}

.chapter-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(201,168,76,0.1), transparent 60%);
}

.chapter-eyebrow {
  font-family: 'Oswald', sans-serif;
  font-size: 12px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  position: relative;
}

.chapter-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  color: #fff;
  line-height: 1.05;
  margin-bottom: 16px;
  position: relative;
}

.chapter-subtitle {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 40px;
  position: relative;
}

.chapter-divider {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto;
  position: relative;
}

/* ARTICLE */
.chapter-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 48px 100px;
}

.chapter-body p {
  font-size: 18px;
  line-height: 1.85;
  color: var(--text-mid);
  margin-bottom: 28px;
}

.chapter-body h2 {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  margin: 56px 0 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cream);
}

.chapter-body h2::before {
  content: '§ ';
  color: var(--gold);
  font-size: 22px;
}

.chapter-body blockquote {
  border-left: 4px solid var(--gold);
  background: var(--cream);
  padding: 24px 32px;
  margin: 40px 0;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 20px;
  color: var(--navy);
  line-height: 1.6;
}

.chapter-body ul {
  margin: 0 0 28px 0;
  padding-left: 0;
  list-style: none;
}

.chapter-body ul li {
  padding: 10px 0 10px 32px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-mid);
  border-bottom: 1px solid var(--cream);
  position: relative;
}

.chapter-body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-family: 'Oswald', sans-serif;
}

/* BOTTOM NAV */
.chapter-nav-bottom {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 48px 80px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.ch-btn-primary {
  background: var(--navy);
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  transition: background 0.2s;
  border: 2px solid var(--navy);
}

.ch-btn-primary:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }

.ch-btn-outline {
  border: 2px solid var(--navy);
  color: var(--navy);
  font-family: 'Oswald', sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  transition: all 0.2s;
}

.ch-btn-outline:hover { background: var(--navy); color: #fff; }

@media (max-width: 700px) {
  .chapter-nav { padding: 12px 20px; }
  .nav-title { display: none; }
  .chapter-header { padding: 60px 24px; }
  .chapter-body { padding: 48px 24px 60px; }
  .chapter-nav-bottom { padding: 0 24px 48px; flex-direction: column; }
}