/* ── RESET & BASE ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #1a1a2e;
  --mid:     #1a3050;
  --gold:    #c9a84c;
  --red:     #a02020;
  --light:   #f4f6f8;
  --white:   #ffffff;
  --text:    #2c2c2c;
  --muted:   #6b7280;
  --border:  #dde2ea;
  --radius:  10px;
  --shadow:  0 4px 24px rgba(0,0,0,0.10);
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans:  'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── NAV ──────────────────────────────────────────────────────────────────── */
nav {
  background: var(--navy);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 3px solid var(--gold);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; max-width: 1100px; margin: 0 auto;
}
.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.3rem; font-weight: bold;
  color: var(--white); letter-spacing: 1px;
}
.nav-brand span { color: var(--gold); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: #ccd; font-size: 0.92rem; letter-spacing: 0.5px; transition: color .2s; }
.nav-links a:hover { color: var(--gold); text-decoration: none; }
.nav-cta {
  background: var(--gold); color: var(--navy) !important;
  padding: 8px 20px; border-radius: 6px; font-weight: 700 !important;
}
.nav-cta:hover { background: #e0b85a; }

/* ── HERO ─────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0d2040 60%, #1a3050 100%);
  color: var(--white);
  padding: 90px 24px 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 420px; height: 420px; border-radius: 50%;
  background: rgba(201,168,76,0.07);
}
.hero-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 340px; gap: 60px; align-items: center;
}
.hero-tag {
  display: inline-block;
  background: rgba(201,168,76,0.18); color: var(--gold);
  font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 4px; margin-bottom: 20px;
  border: 1px solid rgba(201,168,76,0.3);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 3rem; line-height: 1.15;
  margin-bottom: 10px; color: var(--white);
}
.hero h1 span { color: var(--gold); }
.hero-sub {
  font-size: 1.05rem; color: #8899bb;
  font-style: italic; margin-bottom: 24px;
}
.hero-desc {
  font-size: 1.05rem; color: #ccd;
  max-width: 560px; margin-bottom: 36px; line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 13px 28px; border-radius: 8px;
  font-weight: 700; font-size: 0.95rem;
  cursor: pointer; border: none; transition: all .2s;
  text-decoration: none;
}
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #e0b85a; text-decoration: none; color: var(--navy); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.3); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); text-decoration: none; }
.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: var(--mid); text-decoration: none; color: var(--white); }
.btn-full { width: 100%; text-align: center; }

.book-cover-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.book-mock {
  background: linear-gradient(145deg, #1a3050, #0d1f35);
  border: 1px solid rgba(201,168,76,0.4);
  border-radius: 4px 12px 12px 4px;
  box-shadow: -6px 6px 30px rgba(0,0,0,0.5), 6px 0 0 rgba(201,168,76,0.2);
  padding: 40px 30px;
  width: 220px; min-height: 300px;
  display: flex; flex-direction: column;
  justify-content: space-between; align-items: flex-start;
}
.book-mock-title {
  font-family: var(--font-serif);
  font-size: 1.2rem; font-weight: bold;
  color: var(--white); line-height: 1.3;
}
.book-mock-title span { color: var(--gold); display: block; font-size: 0.85rem; margin-top: 6px; font-style: italic; font-weight: normal; }
.book-mock-author { font-size: 0.8rem; color: #8899bb; letter-spacing: 1px; }
.book-badges { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.badge {
  background: rgba(201,168,76,0.12); color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
  font-size: 0.72rem; padding: 4px 10px; border-radius: 20px;
}

/* ── SECTIONS ─────────────────────────────────────────────────────────────── */
.section { padding: 80px 24px; }
.section-light { background: var(--light); }
.section-dark { background: var(--navy); color: var(--white); }
.section-mid { background: var(--mid); color: var(--white); }

.section-label {
  font-size: 0.75rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 2.1rem; margin-bottom: 16px; line-height: 1.25;
}
.section-title.light { color: var(--white); }
.section-desc { color: var(--muted); max-width: 620px; margin-bottom: 48px; font-size: 1.02rem; }
.section-desc.light { color: #99aabb; }

/* ── JURISDICTION GRID ────────────────────────────────────────────────────── */
.j-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.j-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
  position: relative; overflow: hidden;
}
.j-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--gold);
}
.j-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.13); }
.j-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; color: var(--navy); }
.j-tag {
  display: inline-block;
  font-size: 0.72rem; background: var(--light);
  color: var(--muted); padding: 3px 10px; border-radius: 20px;
  margin-bottom: 12px;
}
.j-card p { font-size: 0.92rem; color: var(--muted); line-height: 1.6; }
.j-verdict {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem; font-weight: 600; color: var(--navy);
}

/* ── ENGINES SECTION ──────────────────────────────────────────────────────── */
.engines-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.engine-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,168,76,0.25);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color .2s;
}
.engine-card:hover { border-color: var(--gold); }
.engine-icon {
  font-size: 2.2rem; margin-bottom: 16px;
}
.engine-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem; color: var(--white); margin-bottom: 10px;
}
.engine-card p { color: #99aabb; font-size: 0.95rem; margin-bottom: 20px; line-height: 1.7; }
.engine-features { list-style: none; }
.engine-features li {
  color: #ccd; font-size: 0.88rem;
  padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; gap: 8px;
}
.engine-features li::before { content: '→'; color: var(--gold); font-weight: bold; }

/* ── ENGINE INTERFACE ─────────────────────────────────────────────────────── */
.engine-interface {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--border);
}
.engine-tabs {
  display: flex; border-bottom: 2px solid var(--border);
  background: var(--light);
}
.engine-tab {
  padding: 14px 24px; font-weight: 600; font-size: 0.92rem;
  cursor: pointer; border: none; background: transparent;
  color: var(--muted); transition: all .2s;
  border-bottom: 3px solid transparent; margin-bottom: -2px;
}
.engine-tab.active { color: var(--navy); border-bottom-color: var(--gold); background: var(--white); }
.engine-tab:hover { color: var(--navy); }

.engine-panel { display: none; padding: 32px; }
.engine-panel.active { display: block; }

.input-group { margin-bottom: 20px; }
.input-group label {
  display: block; font-weight: 600; font-size: 0.9rem;
  color: var(--navy); margin-bottom: 8px;
}
.input-group select,
.input-group input,
.input-group textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: 8px;
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--text);
  background: var(--white); transition: border-color .2s;
  resize: vertical;
}
.input-group select:focus,
.input-group input:focus,
.input-group textarea:focus {
  outline: none; border-color: var(--gold);
}
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.engine-output {
  background: var(--light);
  border-radius: 8px; padding: 24px;
  margin-top: 20px; display: none;
  border-left: 4px solid var(--gold);
}
.engine-output.visible { display: block; }
.engine-output h4 { font-size: 1rem; color: var(--navy); margin-bottom: 12px; }
.output-section { margin-bottom: 16px; }
.output-section h5 {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px;
  color: var(--gold); font-weight: 700; margin-bottom: 6px;
}
.output-section p, .output-section li {
  font-size: 0.92rem; color: var(--text); line-height: 1.7;
}
.output-section ul { padding-left: 18px; }
.output-tag {
  display: inline-block;
  padding: 3px 10px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 700; margin: 3px;
}
.tag-green { background: #e8f4e8; color: #1a5c1a; }
.tag-amber { background: #fef3e2; color: #92400e; }
.tag-red { background: #fde8e8; color: #a02020; }

.upload-zone {
  border: 2px dashed var(--border); border-radius: 8px;
  padding: 32px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.upload-zone:hover { border-color: var(--gold); background: #fffdf5; }
.upload-zone p { color: var(--muted); font-size: 0.92rem; margin-top: 8px; }
.upload-icon { font-size: 2rem; }

/* ── TESTIMONIALS ─────────────────────────────────────────────────────────── */
.testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.testi-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow);
}
.testi-stars { color: var(--gold); font-size: 1.1rem; margin-bottom: 12px; }
.testi-text { font-size: 0.95rem; color: var(--text); line-height: 1.7; font-style: italic; margin-bottom: 16px; }
.testi-author { font-weight: 700; font-size: 0.88rem; color: var(--navy); }
.testi-role { font-size: 0.82rem; color: var(--muted); }

/* ── CHAPTERS ACCORDION ───────────────────────────────────────────────────── */
.chapter-list { display: flex; flex-direction: column; gap: 8px; }
.chapter-item {
  border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden;
}
.chapter-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; background: var(--white); cursor: pointer;
  transition: background .2s;
}
.chapter-header:hover { background: var(--light); }
.chapter-num { color: var(--gold); font-weight: 700; font-size: 0.85rem; margin-right: 12px; }
.chapter-title { font-weight: 600; font-size: 0.95rem; color: var(--navy); }
.chapter-arrow { color: var(--muted); transition: transform .2s; font-size: 0.8rem; }
.chapter-item.open .chapter-arrow { transform: rotate(180deg); }
.chapter-body {
  display: none; padding: 0 20px 20px; background: var(--light);
}
.chapter-item.open .chapter-body { display: block; }
.chapter-body p { font-size: 0.92rem; color: var(--muted); margin-bottom: 12px; }
.chapter-actions { display: flex; flex-direction: column; gap: 6px; }
.chapter-action {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 0.88rem; color: var(--text); padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.chapter-action:last-child { border-bottom: none; }
.action-arrow { color: var(--gold); font-weight: bold; flex-shrink: 0; }

/* ── STATS BAR ────────────────────────────────────────────────────────────── */
.stats-bar {
  display: grid; grid-template-columns: repeat(4,1fr);
  gap: 1px; background: rgba(255,255,255,0.1);
}
.stat-item {
  padding: 36px 20px; text-align: center;
  background: rgba(255,255,255,0.04);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 2.4rem; font-weight: bold; color: var(--gold);
  display: block; line-height: 1;
}
.stat-label { font-size: 0.85rem; color: #99aabb; margin-top: 6px; }

/* ── FOOTER ───────────────────────────────────────────────────────────────── */
footer {
  background: #0d0d1a; color: #667;
  padding: 40px 24px; text-align: center;
}
footer a { color: var(--gold); }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-brand {
  font-family: var(--font-serif); font-size: 1.1rem;
  color: var(--white); margin-bottom: 12px;
}
.footer-brand span { color: var(--gold); }
.footer-links { display: flex; gap: 20px; justify-content: center; margin: 16px 0; flex-wrap: wrap; }
.footer-links a { font-size: 0.85rem; color: #889; }
.footer-disc { font-size: 0.78rem; color: #556; max-width: 600px; margin: 16px auto 0; line-height: 1.6; }

/* ── LOADING / SPINNER ────────────────────────────────────────────────────── */
.spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 3px solid rgba(201,168,76,0.3);
  border-top-color: var(--gold);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  vertical-align: middle; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .book-cover-wrap { display: none; }
  .engines-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .input-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.1rem; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .section { padding: 52px 16px; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
}