/* ============================================================
   BOOK OF RA REVIEW SITE — GLOBAL STYLESHEET
   Theme: Egyptian Adventure / Classic Gold
   Palette: Tomb Brown #1A1105 | Gold #D4AF37 | Lapis #0A2463 | Off-White #F4F1EA
   ============================================================ */

/* --- CUSTOM PROPERTIES --- */
:root {
  --color-tomb: #1A1105;
  --color-tomb-light: #2A1F0A;
  --color-gold: #D4AF37;
  --color-gold-light: #E8C84A;
  --color-gold-dim: #A68829;
  --color-lapis: #0A2463;
  --color-lapis-light: #14328A;
  --color-offwhite: #F4F1EA;
  --color-offwhite-dim: #D9D4CA;
  --color-danger: #C0392B;
  --font-heading: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-body: 'Lato', 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  --shadow-gold: 0 0 20px rgba(212,175,55,0.25);
  --shadow-deep: 0 4px 15px rgba(0,0,0,0.5);
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
  --max-width: 1140px;
  --nav-height: 70px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-tomb);
  color: var(--color-offwhite);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: 70px; /* sticky bottom nav on mobile */
}

img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/9;
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-deep);
  display: block;
}

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover, a:focus-visible {
  color: var(--color-gold-light);
  text-shadow: 0 0 8px rgba(212,175,55,0.5);
  outline: none;
}

a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-gold);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p { margin-bottom: 1.1em; }

::selection {
  background: var(--color-gold);
  color: var(--color-tomb);
}

/* --- SKIP LINK (Accessibility) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-gold);
  color: var(--color-tomb);
  padding: 0.5rem 1rem;
  z-index: 10000;
  font-weight: 700;
}
.skip-link:focus {
  top: 0;
}

/* --- FADE-IN ANIMATION --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- GOLDEN SHIMMER EFFECT --- */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer-hover {
  position: relative;
  display: inline-block;
}
.shimmer-hover::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(212,175,55,0.25) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
  pointer-events: none;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.shimmer-hover:hover::after {
  opacity: 1;
}

/* --- SITE HEADER & NAVIGATION (DESKTOP) --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, var(--color-tomb) 0%, var(--color-tomb-light) 100%);
  border-bottom: 2px solid var(--color-gold-dim);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
}

.nav-wrapper {
  max-width: var(--max-width);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.site-logo .logo-icon {
  font-size: 1.5rem;
  margin-right: 0.3rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-offwhite-dim);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

/* --- STICKY BOTTOM NAVIGATION (MOBILE) --- */
.bottom-nav {
  display: none; /* shown on mobile */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-tomb);
  border-top: 2px solid var(--color-gold-dim);
  height: 60px;
  padding: 0;
}

.bottom-nav ul {
  display: flex;
  height: 100%;
  align-items: stretch;
  justify-content: space-around;
}

.bottom-nav li {
  flex: 1;
}

.bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-offwhite-dim);
  gap: 2px;
  transition: color var(--transition-base), background var(--transition-base);
}
.bottom-nav a .nav-emoji {
  font-size: 1.2rem;
}
.bottom-nav a:hover,
.bottom-nav a.active {
  color: var(--color-gold);
  background: rgba(212,175,55,0.08);
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .bottom-nav { display: block; }
  body { padding-bottom: 70px; }
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 3rem 1rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
  box-shadow: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26,17,5,0.7) 0%,
    rgba(26,17,5,0.85) 50%,
    rgba(26,17,5,0.98) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-content h1 {
  margin-bottom: 0.5em;
  text-shadow: 0 2px 20px rgba(0,0,0,0.7);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--color-offwhite-dim);
  margin-bottom: 1.5em;
}

/* --- PAGE HERO (non-image pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-lapis) 0%, var(--color-tomb) 100%);
  padding: 3rem 1rem 2.5rem;
  text-align: center;
  border-bottom: 2px solid var(--color-gold-dim);
}
.page-hero h1 {
  text-shadow: 0 2px 15px rgba(0,0,0,0.5);
  margin-bottom: 0.4em;
}
.page-hero p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-offwhite-dim);
  font-size: 1.05rem;
}

/* --- MAIN CONTENT WRAPPER --- */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* --- ARTICLE CARD / SECTIONS --- */
.content-section {
  margin-bottom: 3rem;
}

.content-section h2 {
  margin-bottom: 0.7em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--color-gold-dim);
}

.content-section h3 {
  margin-bottom: 0.5em;
  color: var(--color-gold-light);
}

/* --- FIGURE / IMAGE CONTAINERS --- */
.figure-wrap {
  max-width: 720px;
  margin: 1.5rem auto 2rem;
}

.figure-wrap figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-offwhite-dim);
  margin-top: 0.6rem;
  font-style: italic;
}

/* --- DETAILS / SUMMARY ACCORDION --- */
details {
  background: var(--color-tomb-light);
  border: 1px solid var(--color-gold-dim);
  border-radius: 6px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition-base);
}

details[open] {
  border-color: var(--color-gold);
}

summary {
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-gold);
  padding: 1rem 1.25rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-base);
  user-select: none;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: '\25BC';
  font-size: 0.75rem;
  color: var(--color-gold-dim);
  transition: transform var(--transition-base);
}

details[open] summary::after {
  transform: rotate(180deg);
}

summary:hover {
  background: rgba(212,175,55,0.06);
}

details .detail-body {
  padding: 0 1.25rem 1.25rem;
  line-height: 1.75;
}

details .detail-body p {
  margin-bottom: 0.8em;
}

/* --- RATING STARS --- */
.star-rating {
  display: inline-flex;
  gap: 2px;
  font-size: 1.1rem;
  color: var(--color-gold);
}
.star-rating .empty { color: var(--color-offwhite-dim); opacity: 0.3; }

/* --- CTA BUTTONS --- */
.cta-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-tomb);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  font-weight: 700;
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
  color: var(--color-tomb);
}
.cta-btn:active {
  transform: translateY(0);
}

.cta-btn-outline {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  background: transparent;
  padding: 0.65rem 1.5rem;
  border: 2px solid var(--color-gold);
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base), box-shadow var(--transition-base);
  text-decoration: none;
  font-weight: 600;
}
.cta-btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-tomb);
  box-shadow: var(--shadow-gold);
}

/* --- CASINO CARD --- */
.casino-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.casino-card {
  background: var(--color-tomb-light);
  border: 1px solid var(--color-gold-dim);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.casino-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}

.casino-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0;
}

.casino-card .casino-meta {
  font-size: 0.85rem;
  color: var(--color-offwhite-dim);
}

.casino-card .cta-btn {
  align-self: flex-start;
  margin-top: auto;
}

/* --- INFO BOX / CALLOUT --- */
.info-box {
  background: rgba(10,36,99,0.25);
  border-left: 4px solid var(--color-gold);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 0 6px 6px 0;
}
.info-box p { margin-bottom: 0.5em; }
.info-box p:last-child { margin-bottom: 0; }

/* --- COMPARISON TABLE --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(212,175,55,0.2);
}
.data-table th {
  font-family: var(--font-heading);
  color: var(--color-gold);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  background: rgba(212,175,55,0.05);
}
.data-table tr:hover td {
  background: rgba(212,175,55,0.04);
}

/* --- MATH BREAKDOWN --- */
.math-formula {
  background: var(--color-tomb-light);
  border: 1px solid var(--color-gold-dim);
  border-radius: 6px;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
  font-family: 'Courier New', monospace;
  color: var(--color-gold-light);
  font-size: 0.95rem;
  text-align: center;
  overflow-x: auto;
}

/* --- MYTH VS REALITY --- */
.myth-reality-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.myth-card, .reality-card {
  padding: 1.2rem 1.5rem;
  border-radius: 6px;
  border: 1px solid;
}
.myth-card {
  background: rgba(192,57,43,0.12);
  border-color: rgba(192,57,43,0.4);
}
.myth-card h4 { color: var(--color-danger); margin-bottom: 0.4em; }

.reality-card {
  background: rgba(212,175,55,0.08);
  border-color: var(--color-gold-dim);
}
.reality-card h4 { color: var(--color-gold); margin-bottom: 0.4em; }

@media (max-width: 600px) {
  .myth-reality-grid { grid-template-columns: 1fr; }
}

/* --- FOOTER --- */
.site-footer {
  background: var(--color-tomb-light);
  border-top: 2px solid var(--color-gold-dim);
  padding: 2.5rem 1rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-offwhite-dim);
}

.site-footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 1rem;
}

.site-footer a {
  color: var(--color-offwhite-dim);
  transition: color var(--transition-base);
}
.site-footer a:hover {
  color: var(--color-gold);
}

.site-footer .disclaimer {
  max-width: 600px;
  margin: 1rem auto 0;
  font-size: 0.75rem;
  opacity: 0.7;
}

/* --- INTERNAL LINK STYLE (contextual, inline) --- */
.internal-link {
  color: var(--color-gold-light);
  border-bottom: 1px dotted var(--color-gold-dim);
  transition: border-color var(--transition-base), color var(--transition-base);
}
.internal-link:hover {
  border-bottom-style: solid;
  color: var(--color-gold);
}

/* --- BREADCRUMB --- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-offwhite-dim);
  margin-bottom: 1.5rem;
}
.breadcrumb a {
  color: var(--color-offwhite-dim);
}
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb span { margin: 0 0.4rem; }

/* --- RESPONSIVE HELPERS --- */
@media (max-width: 768px) {
  .hero { min-height: 40vh; padding: 2rem 1rem; }
  .main-content { padding: 1.5rem 1rem 3rem; }
  .casino-grid { grid-template-columns: 1fr; }
  .data-table { font-size: 0.8rem; }
  .data-table th, .data-table td { padding: 0.5rem 0.6rem; }
}

/* --- PRINT STYLES --- */
@media print {
  .site-header, .bottom-nav, .site-footer { display: none; }
  body { background: white; color: black; padding: 0; }
  a { color: black; }
}