/* =========================================================================
   QuitoBench v2 — Editorial Benchmark (WildClawBench-inspired)
   Fraunces (serif display) + IBM Plex Mono (data/UI)
   Paper cream surfaces · scarlet / forest / slate accents
   ========================================================================= */

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

:root {
  /* Surfaces */
  --bg:    #f0ead8;
  --bg2:   #faf6ee;
  --bg3:   #ede3cf;

  /* Ink */
  --ink:     #18100a;
  --ink2:    #3a2d1f;
  --ink3:    #907050;
  --ink4:    #c0a880;

  /* Accents */
  --scarlet: #8c2416;
  --ember:   #a83c14;
  --tawny:   #7a5008;
  --forest:  #265238;
  --slate:   #1c3448;

  /* Lines */
  --border:  #d4c8ae;
  --border2: rgba(24, 16, 10, 0.08);

  /* Fonts */
  --font-head: 'Fraunces', Georgia, serif;
  --font-body: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  --font-mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

a { color: var(--scarlet); text-decoration: none; border-bottom: 1px solid rgba(140, 36, 22, 0.25); transition: color 0.15s var(--ease), border-color 0.15s var(--ease); }
a:hover { color: var(--ember); border-bottom-color: var(--ember); text-decoration: none; }

/* ===== GRAIN OVERLAY ===== */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.03;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.09 0 0 0 0 0.06 0 0 0 0 0.04 0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--ink4); border-radius: 2px; }

/* ===== NAV ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  height: 58px;
  background: rgba(250, 246, 238, 0.88);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 2rem;
}

.brand {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  border: none;
}
.brand:hover { color: var(--scarlet); text-decoration: none; border: none; }
.brand-alipay {
  color: var(--scarlet);
  font-style: italic;
  margin-right: 0.2rem;
}

.nav-links {
  display: flex;
  gap: 2px;
  list-style: none;
}

.nav-links a {
  color: var(--ink3);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  padding: 0.38rem 0.6rem;
  border-radius: 3px;
  border: none;
  transition: all 0.13s var(--ease);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.nav-links a:hover {
  color: var(--ink);
  background: var(--bg3);
  text-decoration: none;
  border: none;
}

.nav-links a.active {
  color: var(--bg2);
  background: var(--scarlet);
  text-decoration: none;
  border: none;
}

/* ===== MORE RESEARCH DROPDOWN ===== */
.more-research-wrap {
  position: relative;
}

.nav-more-btn {
  color: var(--scarlet);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.38rem 0.6rem;
  border-radius: 3px;
  border: 1px solid rgba(140, 36, 22, 0.25);
  background: rgba(140, 36, 22, 0.04);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: all 0.13s var(--ease);
}

.nav-more-btn:hover {
  background: rgba(140, 36, 22, 0.1);
  border-color: var(--scarlet);
}

.more-arrow {
  font-size: 0.5rem;
  margin-left: 0.15rem;
  transition: transform 0.2s var(--ease);
  display: inline-block;
}

.more-research-wrap.open .more-arrow {
  transform: rotate(180deg);
}

.more-research-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  min-width: 160px;
  background: rgba(250, 246, 238, 0.97);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(24, 16, 10, 0.12);
  list-style: none;
  padding: 0.3rem 0;
  z-index: 600;
}

.more-research-wrap.open .more-research-dropdown {
  display: block;
  animation: fadeUp 0.2s var(--ease);
}

.more-research-dropdown li a {
  display: block;
  padding: 0.55rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--ink2);
  border: none;
  border-bottom: 1px solid var(--border2);
  letter-spacing: 0.05em;
  transition: all 0.1s var(--ease);
}

.more-research-dropdown li:last-child a {
  border-bottom: none;
}

.more-research-dropdown li a:hover {
  color: var(--scarlet);
  background: rgba(140, 36, 22, 0.04);
  border: none;
  border-bottom: 1px solid var(--border2);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ink);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  border-radius: 3px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 900px 500px at 85% 20%, rgba(140, 36, 22, 0.04), transparent 60%),
    radial-gradient(ellipse 700px 400px at 10% 90%, rgba(38, 82, 56, 0.04), transparent 60%),
    var(--bg);
  overflow: hidden;
  text-align: center;
  padding-top: 58px;
  border-bottom: 1px solid var(--border);
}

/* dot grid — softer version for light bg */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(24, 16, 10, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse 60% 55% at 50% 50%, black 0%, transparent 70%);
  pointer-events: none;
}

#waveform {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 3rem 2rem 2rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--scarlet);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(140, 36, 22, 0.25);
  border-top: 2px solid var(--scarlet);
  padding: 0.35rem 1rem;
  border-radius: 0 0 3px 3px;
  margin-bottom: 1.5rem;
  background: rgba(140, 36, 22, 0.03);
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.hero h1 .solid {
  color: var(--ink);
  font-style: italic;
}

.hero h1 .outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--scarlet);
}

.hero-subtitle {
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--ink2);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.hero-authors {
  font-size: 0.82rem;
  color: var(--ink2);
  line-height: 1.7;
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}

.hero-authors sup {
  color: var(--scarlet);
  font-weight: 600;
}

.hero-institution {
  font-size: 0.72rem;
  color: var(--ink3);
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta {
  display: inline-block;
  background: var(--ink);
  color: var(--bg2);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.72rem;
  padding: 0.6rem 1.5rem;
  border-radius: 3px;
  border: 1px solid var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: all 0.15s var(--ease);
}
.btn-cta:hover {
  background: var(--scarlet);
  border-color: var(--scarlet);
  color: var(--bg2);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-block;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: all 0.15s var(--ease);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg2);
  text-decoration: none;
}

/* ===== STATS BAND ===== */
.stats-band {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem;
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.stat {
  text-align: center;
  position: relative;
  padding: 1.2rem 0.8rem;
  background: var(--bg2);
}

.stat-bar {
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--scarlet), var(--ember));
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}

.stat.revealed .stat-bar { transform: scaleX(1); }

.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 500;
  font-style: italic;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.stat-label {
  display: block;
  font-size: 0.6rem;
  color: var(--ink3);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-top: 0.3rem;
  font-weight: 500;
}

/* ===== SECTIONS ===== */
.section {
  padding: 4rem 2rem;
  border-bottom: 1px solid var(--border);
}
.section:nth-of-type(even) {
  background: var(--bg2);
}

.section-inner {
  max-width: 1320px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  display: block;
  position: relative;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 60px;
  height: 2px;
  background: var(--scarlet);
}

.section p {
  font-size: 0.85rem;
  color: var(--ink2);
  line-height: 1.7;
  margin-bottom: 0.85rem;
}

/* ===== FINDINGS LIST ===== */
.findings-list {
  list-style: none;
  margin: 0.5rem 0 0.85rem;
  padding: 0;
  counter-reset: findings;
  border-top: 1px solid var(--border);
}

.findings-list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 3rem;
  font-size: 0.85rem;
  color: var(--ink2);
  line-height: 1.65;
  border-bottom: 1px solid var(--border);
  counter-increment: findings;
}

.findings-list li::before {
  content: counter(findings, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.85rem;
  font-family: var(--font-head);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--scarlet);
  line-height: 1;
  font-weight: 500;
}

.findings-list li strong {
  color: var(--ink);
}

/* ===== NEWS ===== */
.news-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.news-list li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--ink2);
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.news-list li:last-child { border-bottom: 1px solid var(--border); }

.news-date {
  font-weight: 600;
  color: var(--scarlet);
  margin-right: 0;
  font-variant-numeric: tabular-nums;
  font-size: 0.68rem;
  background: rgba(140, 36, 22, 0.06);
  padding: 0.12rem 0.5rem;
  border-radius: 2px;
  letter-spacing: 0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}

.visitor-badge { margin-bottom: 0.75rem; }
.visitor-badge img { border-radius: 3px; vertical-align: middle; }

/* ===== INFO BOX ===== */
.info-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--scarlet);
  border-radius: 3px;
  padding: 0.9rem 1.2rem;
  margin-bottom: 1.2rem;
  font-size: 0.78rem;
  color: var(--ink2);
  line-height: 1.7;
}

.info-box strong { color: var(--ink); font-weight: 600; }
.info-box em { color: var(--ink2); font-style: italic; }

/* ===== FILTER TABS ===== */
.filter-bar {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-label {
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--ink3);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-right: 0.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  padding: 0.3rem 0.75rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--ink3);
  font-size: 0.64rem;
  font-weight: 500;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all 0.13s var(--ease);
}

.filter-btn:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.filter-btn.active {
  background: var(--scarlet);
  color: var(--bg2);
  border-color: var(--scarlet);
  font-weight: 600;
}

/* ===== CONTENT TABS ===== */
.content-tabs {
  background: rgba(240, 234, 216, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 58px;
  z-index: 100;
}

.tab-bar {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  gap: 0;
}

.tab-btn {
  font-family: var(--font-mono);
  padding: 0.9rem 1.5rem;
  border: none;
  border-right: 1px solid var(--border);
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--ink3);
  font-size: 0.68rem;
  font-weight: 500;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: all 0.13s var(--ease);
}

.tab-btn:first-child {
  border-left: 1px solid var(--border);
}

.tab-btn:hover {
  color: var(--ink);
  background: var(--bg2);
}

.tab-btn.active {
  color: var(--scarlet);
  background: var(--bg2);
  border-bottom-color: var(--scarlet);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeUp .35s var(--ease);
}

/* ===== TABLES ===== */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
  background: var(--bg2);
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

thead {
  background: var(--bg3);
  position: sticky;
  top: 0;
  z-index: 2;
}

thead th {
  padding: 0.7rem 0.85rem;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}

thead th:last-child { border-right: none; }

thead th:hover { color: var(--scarlet); background: #e2d8c4; }

thead th .sort-icon {
  margin-left: 4px;
  font-size: 0.55rem;
  opacity: 0.3;
  transition: opacity 0.2s var(--ease);
}

thead th.sort-asc .sort-icon,
thead th.sort-desc .sort-icon {
  opacity: 1;
  color: var(--scarlet);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s var(--ease);
  animation: rowIn .3s var(--ease) both;
}

/* Staggered row entrance */
tbody tr:nth-child(1)  { animation-delay: 0.02s; }
tbody tr:nth-child(2)  { animation-delay: 0.04s; }
tbody tr:nth-child(3)  { animation-delay: 0.06s; }
tbody tr:nth-child(4)  { animation-delay: 0.08s; }
tbody tr:nth-child(5)  { animation-delay: 0.10s; }
tbody tr:nth-child(6)  { animation-delay: 0.12s; }
tbody tr:nth-child(7)  { animation-delay: 0.14s; }
tbody tr:nth-child(8)  { animation-delay: 0.16s; }
tbody tr:nth-child(9)  { animation-delay: 0.18s; }
tbody tr:nth-child(10) { animation-delay: 0.20s; }

tbody tr:last-child { border-bottom: none; }

tbody tr:hover {
  background: var(--bg3);
}

tbody td {
  padding: 0.6rem 0.85rem;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  color: var(--ink2);
  border-right: 1px solid var(--border);
  vertical-align: middle;
}
tbody td:last-child { border-right: none; }
tbody td strong { color: var(--ink); font-weight: 600; }

.table-note {
  font-size: 0.65rem;
  color: var(--ink3);
  margin-top: 0.6rem;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* Rank column */
.rank-col {
  width: 50px;
  text-align: center;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-family: var(--font-head);
  font-style: italic;
  font-weight: 500;
  font-size: 0.85rem;
  transition: transform 0.2s var(--ease);
  border: 1px solid var(--border);
  color: var(--ink3);
  background: var(--bg2);
}

tbody tr:hover .rank-badge { transform: scale(1.1); }

.rank-1 {
  background: var(--scarlet);
  color: var(--bg2);
  border-color: var(--scarlet);
  box-shadow: 0 0 8px rgba(140, 36, 22, 0.25);
}

.rank-2 {
  background: var(--forest);
  color: var(--bg2);
  border-color: var(--forest);
}

.rank-3 {
  background: var(--slate);
  color: var(--bg2);
  border-color: var(--slate);
}

.rank-other {
  background: var(--bg2);
  color: var(--ink3);
  border: 1px solid var(--border);
}

/* Model name */
.model-name {
  font-weight: 600;
  color: var(--ink);
  min-width: 120px;
  letter-spacing: -0.005em;
}

/* Numeric columns */
.num-col {
  text-align: center;
  min-width: 70px;
  font-feature-settings: 'tnum';
}

/* Best value highlights */
.best-rank {
  color: var(--scarlet) !important;
  font-weight: 700;
}

.best-mae {
  color: var(--scarlet) !important;
  font-weight: 700;
}

/* Nested group header */
.group-header {
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--scarlet);
  font-weight: 700;
  background: #e2d8c4;
}

/* First-place row highlight */
.row-highlight {
  background: rgba(38, 82, 56, 0.06);
  box-shadow: inset 3px 0 0 var(--forest);
}
.row-highlight td {
  color: var(--ink);
  font-weight: 600;
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 0.12rem 0.5rem;
  border-radius: 2px;
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
}

.badge-dl {
  background: rgba(38, 82, 56, 0.08);
  color: var(--forest);
}

.badge-fm {
  background: rgba(28, 52, 72, 0.08);
  color: var(--slate);
}

.badge-stat {
  background: rgba(122, 80, 8, 0.08);
  color: var(--tawny);
}

/* Level badges */
.lvl {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 2px;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid currentColor;
}

.lvl-high {
  background: rgba(140, 36, 22, 0.08);
  color: var(--scarlet);
}

.lvl-low {
  background: rgba(28, 52, 72, 0.08);
  color: var(--slate);
}

/* ===== CITATION ===== */
.bibtex-wrap {
  position: relative;
  margin-top: 1rem;
}

.bibtex {
  background: var(--ink);
  color: var(--bg2);
  padding: 1.25rem 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  white-space: pre;
  border: 1px solid var(--ink);
}

.copy-btn {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  background: rgba(250, 246, 238, 0.08);
  border: 1px solid rgba(250, 246, 238, 0.2);
  color: var(--bg2);
  padding: 0.35rem 0.7rem;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.13s var(--ease);
}

.copy-btn:hover {
  background: var(--scarlet);
  border-color: var(--scarlet);
}

.copy-btn.copied {
  background: var(--forest);
  border-color: var(--forest);
}

/* ===== VISITOR MAP ===== */
.visitor-map-center {
  text-align: center;
}

.visitor-map-center .section-title {
  display: inline-block;
}

.globe-container {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
  max-width: 300px;
  max-height: 300px;
  margin-left: auto;
  margin-right: auto;
}

.globe-placeholder { opacity: 0.5; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.8rem 2rem;
  font-size: 0.65rem;
  color: var(--ink3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer a { color: var(--scarlet); border: none; }
.site-footer a:hover { color: var(--ember); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes rowIn {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: clamp(2.5rem, 12vw, 4rem); }

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

  .stat-num { font-size: 2rem; }

  .header-inner { height: 48px; padding: 0 1rem; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 48px;
    left: 0; right: 0;
    background: rgba(250, 246, 238, 0.96);
    backdrop-filter: blur(12px);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a { display: block; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--border); border-radius: 0; }

  .nav-links.open { display: flex; }

  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }

  .hero { padding-top: 48px; }
  .hero-inner { padding: 2rem 1.25rem 1.5rem; }

  .section { padding: 3rem 1.25rem; }

  .section-title { font-size: 1.25rem; }

  .model-name { min-width: 100px; }
  .num-col { min-width: 55px; }

  .tab-bar { padding: 0 1rem; overflow-x: auto; }
  .tab-btn { padding: 0.75rem 1rem; font-size: 0.62rem; }
}

@media (max-width: 480px) {
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 1px; }
  .stat-num { font-size: 1.7rem; }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (min-width: 1400px) {
  .header-inner, .section-inner, .tab-bar { max-width: 1440px; }
}