/* ============================================================
   ChronoDino — BASE.CSS
   Design system: tokens, reset, typography, shared utilities
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lilita+One&family=Baloo+2:wght@400;500;600;700;800&family=Tiro+Devanagari+Hindi:ital@0;1&display=swap');

/* ─── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  /* Core palette */
  --clr-void:       #0a0804;
  --clr-earth:      #1a1208;
  --clr-mud:        #2c1f0d;
  --clr-amber:      #e8a020;
  --clr-amber-glow: #ffcc55;
  --clr-bone:       #f5ead0;
  --clr-cream:      #fdf6e3;
  --clr-fossil:     #8b7355;
  --clr-fern:       #2d6e3e;
  --clr-fern-light: #4a9e5c;
  --clr-lava:       #c0392b;
  --clr-lava-glow:  #e74c3c;
  --clr-sky-ancient:#1a3a5c;
  --clr-sky-light:  #2d6b8c;

  /* Era colours */
  --era-triassic:   #c0622f;
  --era-jurassic:   #2d7a3a;
  --era-cretaceous: #8b1a1a;

  /* Diet colours */
  --diet-carnivore: #c0392b;
  --diet-herbivore: #27ae60;
  --diet-omnivore:  #e67e22;

  /* Typography */
  --font-display:   'Lilita One', cursive;
  --font-body:      'Baloo 2', sans-serif;
  --font-hindi:     'Tiro Devanagari Hindi', serif;

  /* Spacing scale */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* Radii */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;
  --r-pill:9999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.35);
  --shadow-md:  0 6px 24px rgba(0,0,0,0.45);
  --shadow-lg:  0 16px 64px rgba(0,0,0,0.6);
  --shadow-amber: 0 0 30px rgba(232,160,32,0.4);
  --shadow-lava:  0 0 30px rgba(192,57,43,0.4);

  /* Transitions */
  --t-fast:   150ms ease;
  --t-med:    300ms ease;
  --t-slow:   600ms cubic-bezier(0.22, 1, 0.36, 1);

  /* Layout */
  --max-width: 1280px;
  --header-h:  72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--clr-void);
  color: var(--clr-bone);
  overflow-x: hidden;
  min-height: 100vh;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font: inherit; }

/* ─── TYPOGRAPHY ─────────────────────────────────────────── */
.t-display {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.t-heading {
  font-family: var(--font-body);
  font-weight: 800;
  line-height: 1.2;
}

.t-body {
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.8;
}

/* ─── GLOBAL READABLE BODY TEXT ──────────────────────────────
   Override the dim rgba(245,234,208,0.65) colours used inline.
   All paragraph-level body text should be clearly legible.
   ──────────────────────────────────────────────────────────── */
p, li, .body-text {
  color: rgba(245, 234, 208, 0.88);
  font-size: 1.05rem;
  line-height: 1.85;
}

.era-info-card-text,
.era-facts-body,
.rival-card-desc,
.dino-fun-fact-text {
  color: rgba(245, 234, 208, 0.88) !important;
  font-size: 1rem !important;
  line-height: 1.85 !important;
}

/* Hero/card description text — slightly muted but still readable */
.era-card-desc,
.era-tour-card-preview,
.dino-tour-card-size,
.hero-subtitle,
.era-hero-subtitle {
  color: rgba(245, 234, 208, 0.80);
}

/* Fossil-coloured utility — keep but bump opacity */
.text-fossil-readable {
  color: rgba(139, 115, 85, 1);
}

.t-hindi {
  font-family: var(--font-hindi);
  line-height: 1.8;
}

/* Size scale */
.text-xs   { font-size: 0.75rem; }
.text-sm   { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg   { font-size: 1.125rem; }
.text-xl   { font-size: 1.25rem; }
.text-2xl  { font-size: 1.5rem; }
.text-3xl  { font-size: 1.875rem; }
.text-4xl  { font-size: 2.25rem; }
.text-5xl  { font-size: 3rem; }
.text-6xl  { font-size: 3.75rem; }
.text-7xl  { font-size: 4.5rem; }
.text-8xl  { font-size: 6rem; }

/* ─── COLOUR UTILITIES ───────────────────────────────────── */
.text-amber    { color: var(--clr-amber); }
.text-bone     { color: var(--clr-bone); }
.text-fossil   { color: var(--clr-fossil); }
.text-fern     { color: var(--clr-fern-light); }
.text-lava     { color: var(--clr-lava-glow); }
.bg-earth      { background: var(--clr-earth); }
.bg-mud        { background: var(--clr-mud); }
.bg-void       { background: var(--clr-void); }

/* ─── LAYOUT UTILITIES ───────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center{ align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-2  { gap: var(--sp-2); }
.gap-4  { gap: var(--sp-4); }
.gap-6  { gap: var(--sp-6); }
.gap-8  { gap: var(--sp-8); }
.gap-12 { gap: var(--sp-12); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }

/* ─── HEADER ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--t-med), backdrop-filter var(--t-med);
}

.site-header.scrolled {
  background: rgba(10, 8, 4, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(232, 160, 32, 0.15);
}

.header-inner {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--clr-amber);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-amber);
  transition: transform var(--t-med), box-shadow var(--t-med);
}

.logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.08);
  box-shadow: 0 0 40px rgba(232,160,32,0.6);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--clr-amber);
  letter-spacing: 0.02em;
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-bone);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-pill);
  position: relative;
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--clr-amber);
  border-radius: var(--r-pill);
  transition: transform var(--t-med);
}

.nav-link:hover { color: var(--clr-amber); }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }
.nav-link.active { color: var(--clr-amber); }
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-bone);
  border-radius: 2px;
  transition: transform var(--t-med), opacity var(--t-med);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(10, 8, 4, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232,160,32,0.2);
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-4);
  z-index: 999;
  /* Fully hide regardless of nav height: translate up by (own height + header height)
     so the bottom edge always clears the top of the viewport. */
  transform: translateY(calc(-100% - var(--header-h)));
  visibility: hidden;
  opacity: 0;
  transition:
    transform var(--t-slow),
    visibility 0s linear var(--t-slow),
    opacity var(--t-slow);
}

.mobile-nav.open {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
  transition:
    transform var(--t-slow),
    visibility 0s,
    opacity var(--t-slow);
}

.mobile-nav .nav-link {
  font-size: 1.25rem;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
}

/* Spacing for the lang toggle inside the mobile nav drawer */
.mobile-nav .lang-toggle {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

/* ─── LANGUAGE TOGGLE ────────────────────────────────────── */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  background: rgba(232,160,32,0.12);
  border: 1px solid rgba(232,160,32,0.3);
  border-radius: var(--r-pill);
  padding: 3px;
  gap: 2px;
  transition: all var(--t-med);
}

.lang-btn {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  color: var(--clr-fossil);
  transition: all var(--t-fast);
}

.lang-btn.active {
  background: var(--clr-amber);
  color: var(--clr-void);
  box-shadow: var(--shadow-amber);
}

/* ─── LANGUAGE SWITCHING ─────────────────────────────────────
   RULE: Only INLINE elements (span, small, em, strong, b, i)
   with .lang-en / .lang-hi are toggled. We never hide block
   or flex containers — that would blank entire sections.
   <body> always has class lang-en (default) or lang-hi.
   ──────────────────────────────────────────────────────────── */

/* Only hide inline bilingual spans — never block/flex containers */
span.lang-en, small.lang-en, em.lang-en, strong.lang-en, b.lang-en, i.lang-en,
span.lang-hi, small.lang-hi, em.lang-hi, strong.lang-hi, b.lang-hi, i.lang-hi {
  display: none;
}

/* English body → show .lang-en spans */
body.lang-en span.lang-en,
body.lang-en small.lang-en,
body.lang-en em.lang-en,
body.lang-en strong.lang-en {
  display: inline;
}

/* Hindi body → show .lang-hi spans */
body.lang-hi span.lang-hi,
body.lang-hi small.lang-hi,
body.lang-hi em.lang-hi,
body.lang-hi strong.lang-hi {
  display: inline;
}

/* Block-level bilingual elements (p, div, h1-h6, li, a used as block) */
/* Default: show EN, hide HI */
p.lang-hi, div.lang-hi, h1.lang-hi, h2.lang-hi, h3.lang-hi,
h4.lang-hi, h5.lang-hi, h6.lang-hi, li.lang-hi, a.lang-hi { display: none; }
p.lang-en, div.lang-en, h1.lang-en, h2.lang-en, h3.lang-en,
h4.lang-en, h5.lang-en, h6.lang-en, li.lang-en               { display: block; }

/* When Hindi is active */
body.lang-hi p.lang-hi, body.lang-hi div.lang-hi,
body.lang-hi h1.lang-hi, body.lang-hi h2.lang-hi,
body.lang-hi h3.lang-hi, body.lang-hi h4.lang-hi,
body.lang-hi h5.lang-hi, body.lang-hi h6.lang-hi,
body.lang-hi li.lang-hi { display: block; }

body.lang-hi p.lang-en, body.lang-hi div.lang-en,
body.lang-hi h1.lang-en, body.lang-hi h2.lang-en,
body.lang-hi h3.lang-en, body.lang-hi h4.lang-en,
body.lang-hi h5.lang-en, body.lang-hi h6.lang-en,
body.lang-hi li.lang-en { display: none; }

/* Legacy data-attribute system */
[data-en], [data-hi] { display: none; }
body.lang-en [data-en] { display: block; }
body.lang-hi [data-hi] { display: block; }

/* ─── SECTION COMMON ─────────────────────────────────────── */
.section-label {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-amber);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.section-label::before,
.section-label::after {
  content: '';
  display: block;
  height: 1px;
  width: 40px;
  background: var(--clr-amber);
  opacity: 0.5;
}

/* ─── CARD BASE ───────────────────────────────────────────── */
.card {
  background: var(--clr-earth);
  border: 1px solid rgba(232,160,32,0.1);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,160,32,0.35);
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

/* ─── BADGE ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-carnivore {
  background: rgba(192, 57, 43, 0.2);
  color: #ff6b6b;
  border: 1px solid rgba(192, 57, 43, 0.4);
}

.badge-herbivore {
  background: rgba(39, 174, 96, 0.2);
  color: #6be18c;
  border: 1px solid rgba(39, 174, 96, 0.4);
}

.badge-era {
  background: rgba(232, 160, 32, 0.15);
  color: var(--clr-amber);
  border: 1px solid rgba(232, 160, 32, 0.3);
}

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-8);
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.04em;
  transition: all var(--t-med);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
}

.btn:hover::before { background: rgba(255,255,255,0.08); }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--clr-amber);
  color: var(--clr-void);
  box-shadow: var(--shadow-amber);
}

.btn-primary:hover {
  box-shadow: 0 0 50px rgba(232,160,32,0.7);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--clr-bone);
  border: 2px solid rgba(245, 234, 208, 0.3);
}

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

.btn-ghost {
  background: rgba(232,160,32,0.1);
  color: var(--clr-amber);
  border: 1px solid rgba(232,160,32,0.25);
}

.btn-ghost:hover {
  background: rgba(232,160,32,0.2);
  border-color: rgba(232,160,32,0.5);
}

/* Large button variant */
.btn-lg {
  padding: var(--sp-6) var(--sp-12);
  font-size: 1.2rem;
  border-radius: var(--r-xl);
}

/* ─── STAT BLOCK ──────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--sp-4);
}

.stat-item {
  background: rgba(232,160,32,0.06);
  border: 1px solid rgba(232,160,32,0.15);
  border-radius: var(--r-md);
  padding: var(--sp-4) var(--sp-4);
  text-align: center;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.stat-item:hover {
  background: rgba(232,160,32,0.1);
  border-color: rgba(232,160,32,0.3);
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: var(--sp-2);
  display: block;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--clr-amber);
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-fossil);
  display: block;
  margin-top: 4px;
}

/* ─── INFO PANEL ──────────────────────────────────────────── */
.info-panel {
  background: var(--clr-mud);
  border: 1px solid rgba(232,160,32,0.12);
  border-left: 3px solid var(--clr-amber);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  padding: var(--sp-6);
  margin-block: var(--sp-6);
}

.info-panel-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--clr-amber);
  letter-spacing: 0.05em;
  margin-bottom: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* ─── PROGRESS / SIZE BAR ─────────────────────────────────── */
.size-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.size-bar-item {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  align-items: center;
  gap: var(--sp-4);
}

.size-bar-label {
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-fossil);
}

.size-bar-track {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.size-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-fern), var(--clr-amber));
  border-radius: var(--r-pill);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1s cubic-bezier(0.22,1,0.36,1);
}

.size-bar-fill.animate { transform: scaleX(1); }

.size-bar-value {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--clr-bone);
  text-align: right;
}

/* ─── SCROLL ANIMATIONS ───────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,1,0.36,1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,1,0.36,1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22,1,0.36,1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22,1,0.36,1);
}

.stagger.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(2) { transition-delay: 80ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(7) { transition-delay: 480ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(8) { transition-delay: 560ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(9) { transition-delay: 640ms; opacity: 1; transform: none; }
.stagger.visible > *:nth-child(10){ transition-delay: 720ms; opacity: 1; transform: none; }

/* ─── THREE.JS CANVAS ─────────────────────────────────────── */
.three-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.scene-overlay {
  position: relative;
  z-index: 1;
}

/* ─── DIVIDER ─────────────────────────────────────────────── */
.dino-divider {
  width: 100%;
  text-align: center;
  font-size: 1.5rem;
  letter-spacing: 1rem;
  color: rgba(232,160,32,0.25);
  padding-block: var(--sp-12);
  user-select: none;
}

/* ─── PAGE TRANSITION ─────────────────────────────────────── */
.page-enter {
  animation: pageEnter 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes pageEnter {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-void); }
::-webkit-scrollbar-thumb {
  background: var(--clr-amber);
  border-radius: var(--r-pill);
  opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover { opacity: 1; }

/* ─── FOOTER ──────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-earth);
  border-top: 1px solid rgba(232,160,32,0.12);
  padding-block: var(--sp-16) var(--sp-8);
  text-align: left;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-8);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.footer-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--clr-amber);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: var(--shadow-amber);
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--clr-amber);
  letter-spacing: 0.02em;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--clr-fossil);
  line-height: 1.7;
}

.footer-col-title {
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-amber);
  margin-bottom: var(--sp-2);
}

.footer-link {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--clr-fossil);
  transition: color var(--t-fast);
}

.footer-link:hover {
  color: var(--clr-amber-glow);
}

.footer-divider {
  height: 1px;
  background: rgba(232,160,32,0.1);
  margin-bottom: var(--sp-4);
}

.footer-bottom {
  text-align: center;
}

.footer-copy {
  font-weight: 600;
  font-size: 0.78rem;
  color: rgba(139,115,85,1);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
}

/* ─── TOOLTIP ─────────────────────────────────────────────── */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--clr-mud);
  color: var(--clr-bone);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(232,160,32,0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast), transform var(--t-fast);
  z-index: 100;
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* ─── LOADING SCREEN ──────────────────────────────────────── */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--clr-void);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-6);
  transition: opacity 0.5s ease, visibility 0.5s;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-dino {
  font-size: 4rem;
  animation: loadingBounce 0.8s ease-in-out infinite alternate;
}

@keyframes loadingBounce {
  from { transform: translateY(0) scale(1); }
  to   { transform: translateY(-20px) scale(1.1); }
}

.loading-bar-track {
  width: 200px;
  height: 4px;
  background: rgba(232,160,32,0.2);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  background: var(--clr-amber);
  border-radius: var(--r-pill);
  animation: loadingProgress 1.5s ease forwards;
}

@keyframes loadingProgress {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .text-8xl { font-size: 4.5rem; }
  .text-7xl { font-size: 3.5rem; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .site-nav    { display: none; }
  .hamburger   { display: flex; }
  .mobile-nav  { display: flex; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .text-8xl { font-size: 3rem; }
  .text-7xl { font-size: 2.5rem; }
  .text-6xl { font-size: 2.25rem; }
  .text-5xl { font-size: 2rem; }

  .btn-lg {
    padding: var(--sp-4) var(--sp-8);
    font-size: 1rem;
  }

  .container { padding-inline: var(--sp-4); }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }

  .size-bar-item {
    grid-template-columns: 90px 1fr 50px;
    gap: var(--sp-2);
  }
}

/* ═══════════════════════════════════════════════════════════
   BASE v2 ADDITIONS — Text readability + Home audio bar
   ═══════════════════════════════════════════════════════════ */

/* ─── IMPROVED TEXT READABILITY (consolidated) ────────────── */
/* These override the v1 definitions above with better contrast */
.body-text {
  font-size: 1.08rem !important;
  line-height: 1.9 !important;
  color: rgba(245, 234, 208, 0.92) !important;
}

/* All small muted labels — keep readable */
.era-stat-card-desc,
.excavation-site-desc,
.dino-3d-spec-value,
.death-reason-desc,
.rival-card-desc,
.sound-description,
.timeline-event-desc {
  color: rgba(245, 234, 208, 0.90) !important;
  font-size: 0.95rem !important;
  line-height: 1.8 !important;
}

.era-info-card-text,
.era-facts-body,
.era-split-text p,
.climate-detail-card p {
  color: rgba(245, 234, 208, 0.90) !important;
  font-size: 1.05rem !important;
  line-height: 1.9 !important;
}

/* ─── HOME PAGE AUDIO BAR ─────────────────────────────────── */
.home-audio-bar {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(10, 8, 4, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(232, 160, 32, 0.25);
  border-radius: 3rem;
  padding: 0.5rem 1.2rem 0.5rem 0.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(232,160,32,0.08);
  transition: transform 0.4s cubic-bezier(0.22,1,0.36,1), opacity 0.4s;
}

.home-audio-bar.hidden {
  transform: translateY(120%);
  opacity: 0;
  pointer-events: none;
}

.home-audio-play {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-amber);
  color: var(--clr-void);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s, box-shadow 0.2s;
}
.home-audio-play:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(232,160,32,0.5);
}

.home-audio-info { line-height: 1.25; }
.home-audio-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--clr-bone);
}
.home-audio-sub {
  font-size: 0.65rem;
  color: rgba(139,115,85,1);
}

.home-audio-vol {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.3rem;
}
.home-audio-vol input[type=range] {
  width: 56px;
  accent-color: var(--clr-amber);
  cursor: pointer;
}

/* page-audio-bar (dino pages) is defined in dino-tour.css */


/* ─── QUIZ NAV LINK HIGHLIGHT ─────────────────────────────── */
.nav-link-quiz {
  background: rgba(232,160,32,0.12);
  border: 1px solid rgba(232,160,32,0.25);
  border-radius: var(--r-pill);
  padding: 6px 16px !important;
  color: var(--clr-amber) !important;
  font-weight: 800 !important;
  transition: background var(--t-fast), box-shadow var(--t-fast) !important;
}
.nav-link-quiz:hover {
  background: rgba(232,160,32,0.22) !important;
  box-shadow: 0 0 20px rgba(232,160,32,0.2);
}

/* ─── GAMES NAV LINK ──────────────────────────────────────── */
.nav-link-game {
  background: rgba(192,57,43,.12);
  border: 1px solid rgba(192,57,43,.28);
  border-radius: var(--r-pill);
  padding: 6px 16px !important;
  color: #e05050 !important;
  font-weight: 800 !important;
  transition: background var(--t-fast), box-shadow var(--t-fast) !important;
}
.nav-link-game:hover {
  background: rgba(192,57,43,.25) !important;
  box-shadow: 0 0 20px rgba(192,57,43,.2);
}

/* ─── SKIP TO CONTENT (a11y) ─────────────────────────────── */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 10000;
  padding: 0.75rem 1.5rem;
  background: var(--clr-amber);
  color: var(--clr-void);
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: none;
  border-radius: 0 0 var(--r-md) 0;
  transition: top 0.2s ease;
}
.skip-to-content:focus {
  top: 0;
}

/* ─── PRINT STYLES ────────────────────────────────────────── */
@media print {
  * {
    background: transparent !important;
    color: #000 !important;
    text-shadow: none !important;
    box-shadow: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .site-header,
  .site-footer,
  .skip-to-content,
  .home-audio-bar,
  .page-audio-bar,
  .hero-img-arrow,
  .hero-img-dots,
  .dino-3d-section,
  .sound-section,
  .sound-unavailable,
  .sound-future-scope,
  .death-section,
  .cookie-banner,
  .loading-screen,
  .lang-toggle,
  .hamburger,
  .mobile-nav,
  .page-audio-bar {
    display: none !important;
  }
  
  .dino-hero {
    height: auto;
    min-height: 0;
    display: block;
  }
  
  .dino-hero-visual {
    height: auto;
    min-height: 0;
  }
  
  .dino-hero-info {
    padding: 1rem 0;
    overflow: visible;
  }
  
  .excavation-map-wrap {
    page-break-inside: avoid;
    border: 1px solid #ccc;
  }
  
  .excavation-sites-list {
    page-break-inside: avoid;
  }
  
  .container {
    max-width: 100%;
    padding: 0 0.5in;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #555 !important;
  }
  
  a[href^="#"]::after,
  a[href^="javascript"]::after {
    content: "";
  }
}

/* ─── PREFERS-REDUCED-MOTION (a11y) ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .loading-dino {
    animation: none !important;
  }

  .loading-bar-fill {
    animation: none !important;
    width: 100% !important;
  }

  .size-bar-fill {
    transform: scaleX(1) !important;
    transition: none !important;
  }

  .card:hover {
    transform: none !important;
  }

  .btn:hover {
    transform: none !important;
  }

  .home-audio-play:hover {
    transform: none !important;
  }

  .logo:hover .logo-icon {
    transform: none !important;
  }

  .nav-link::after {
    transition: none !important;
  }

  .site-header {
    transition: none !important;
  }
}

/* ─── COOKIE CONSENT BANNER ──────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: linear-gradient(135deg, var(--clr-earth) 0%, #2c1f0d 100%);
  border-top: 2px solid rgba(232, 160, 32, 0.15);
  padding: var(--sp-4) var(--sp-6);
  transform: translateY(100%);
  transition: transform var(--t-slow);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.6);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.cookie-banner-text {
  flex: 1;
  min-width: 240px;
}

.cookie-banner-text p {
  color: var(--clr-fossil);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}

.cookie-banner-text a {
  color: var(--clr-amber-glow);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t-fast);
}

.cookie-banner-text a:hover {
  color: var(--clr-amber);
}

.cookie-banner-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.cookie-btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--t-fast);
  border: none;
}

.cookie-btn-accept {
  background: var(--clr-amber);
  color: var(--clr-void);
}

.cookie-btn-accept:hover {
  background: var(--clr-amber-glow);
  box-shadow: var(--shadow-amber);
  transform: scale(1.03);
}

.cookie-btn-more {
  background: transparent;
  color: var(--clr-fossil);
  border: 1px solid rgba(232, 160, 32, 0.25);
}

.cookie-btn-more:hover {
  color: var(--clr-amber-glow);
  border-color: var(--clr-amber);
  background: rgba(232, 160, 32, 0.08);
}

@media (max-width: 640px) {
  .cookie-banner {
    padding: var(--sp-3) var(--sp-4);
  }
  .cookie-banner-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .cookie-banner-actions {
    justify-content: center;
  }
  .cookie-btn {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
  }
}

/* (print styles consolidated above in the @media print block) */