/* ─── Design Tokens ─────────────────────────────────────────────── */
:root {
  --cream:          #F3F0E9;
  --cream-dark:     #E8E4DA;
  --cream-border:   #D9D4C8;
  --terracotta:     #D67052;
  --terracotta-dk:  #B85C40;
  --mustard:        #F0B857;
  --mustard-lt:     #F5CC84;
  --navy:           #1C2B4A;
  --navy-lt:        #2A3F6A;
  --dark:           #2C2416;
  --mid:            #5C5040;
  --light:          #8C7C68;
  --card-bg:        #FAF8F3;
  --white:          #FEFDF9;
  --shadow-sm:      0 2px 8px rgba(44,36,22,.07);
  --shadow-md:      0 6px 24px rgba(44,36,22,.10);
  --shadow-lg:      0 16px 48px rgba(44,36,22,.13);
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;
  --serif:          'Playfair Display', Georgia, serif;
  --sans:           'Inter', system-ui, sans-serif;
  --mono:           'JetBrains Mono', 'Fira Code', monospace;
}

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

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

body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--dark);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--terracotta); text-decoration: none; }
a:hover { color: var(--terracotta-dk); }

/* ─── Typography ────────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.25; color: var(--dark); }

h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; font-family: var(--sans); }

p { font-size: 1rem; color: var(--mid); }

/* ─── Layout ────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

/* ─── Navigation ────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243,240,233,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cream-border);
  padding: .75rem 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.navbar-brand {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.01em;
}
.navbar-brand span { color: var(--terracotta); }

.navbar-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.navbar-links a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--mid);
  transition: color .2s;
}
.navbar-links a:hover { color: var(--terracotta); }

/* ─── Hero ──────────────────────────────────────────────────────── */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 80%, rgba(214,112,82,.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 35% at 80% 20%, rgba(240,184,87,.07) 0%, transparent 60%);
  pointer-events: none;
}

.venue-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--navy);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero-title {
  max-width: 860px;
  margin: 0 auto 1rem;
}

.hero-title .highlight { color: var(--terracotta); }

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--light);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

/* Authors */
.authors-block { margin-bottom: 2rem; }

.author-link {
  color: var(--mid);
  text-decoration: none;
  transition: color .2s;
}
.author-link:hover {
  color: var(--terracotta);
}

.authors-list {
  font-size: .95rem;
  color: var(--mid);
  line-height: 2;
  max-width: 780px;
  margin: 0 auto .5rem;
}

.affil-list {
  font-size: .82rem;
  color: var(--light);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem 1.2rem;
}

.affil-num { color: var(--terracotta); font-weight: 600; font-size: .7em; vertical-align: super; }

.author-notes {
  margin-top: .5rem;
  font-size: .78rem;
  color: var(--light);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .4rem 1.2rem;
}

/* CTA Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .75rem;
  margin-top: .5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1.4rem;
  border-radius: 100px;
  font-size: .875rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--terracotta);
  color: #fff;
  border-color: var(--terracotta-dk);
}
.btn-primary:hover {
  background: var(--terracotta-dk);
  border-color: #9A4A30;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: transparent;
  color: var(--dark);
  border-color: var(--cream-border);
}
.btn-secondary:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
  transform: translateY(-1px);
}

.btn-navy {
  background: var(--navy);
  color: #fff;
  border-color: #0E1A30;
}
.btn-navy:hover {
  background: var(--navy-lt);
  border-color: var(--navy);
  color: #fff;
  transform: translateY(-1px);
}

.btn-mustard {
  background: var(--mustard);
  color: var(--dark);
  border-color: #D49A38;
}
.btn-mustard:hover {
  background: var(--mustard-lt);
  border-color: var(--mustard);
  color: var(--dark);
  transform: translateY(-1px);
}

/* ─── Section Headers ───────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: .6rem;
}

.section-title { margin-bottom: .75rem; }

.section-desc {
  font-size: 1.05rem;
  color: var(--light);
  max-width: 620px;
  margin: 0 auto;
}

.divider {
  width: 48px;
  height: 3px;
  background: var(--terracotta);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ─── Abstract Card ─────────────────────────────────────────────── */
.abstract-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  box-shadow: var(--shadow-md);
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

.abstract-card::before {
  content: '"';
  font-family: var(--serif);
  font-size: 6rem;
  color: var(--terracotta);
  opacity: .15;
  position: absolute;
  top: .5rem;
  left: 1.5rem;
  line-height: 1;
  pointer-events: none;
}

.abstract-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--mid);
}

/* ─── Feature Grid (3 cards) ────────────────────────────────────── */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) { .feat-grid { grid-template-columns: 1fr; } }

.feat-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s, transform .25s;
}
.feat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feat-card-art {
  background: var(--terracotta);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.feat-card-art svg {
  width: 90%;
  height: 90%;
  opacity: .9;
}

.feat-card-body {
  padding: 1.5rem;
}

.feat-card-num {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: .4rem;
}

.feat-card-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-bottom: .5rem;
  color: var(--dark);
}

.feat-card-desc {
  font-size: .9rem;
  color: var(--light);
  line-height: 1.6;
}

/* ─── Stats Strip ───────────────────────────────────────────────── */
.stats-strip {
  background: var(--navy);
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (max-width: 800px) { .stats-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

.stat-num {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--mustard);
  line-height: 1;
  margin-bottom: .3rem;
}

.stat-label {
  font-size: .8rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* ─── Dataset Categories ────────────────────────────────────────── */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
@media (max-width: 1000px) { .categories-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { .categories-grid { grid-template-columns: repeat(2, 1fr); } }

.cat-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all .2s;
  cursor: default;
}
.cat-card:hover {
  border-color: var(--terracotta);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.cat-icon {
  width: 52px;
  height: 52px;
  background: rgba(214,112,82,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto .9rem;
  font-size: 1.3rem;
  color: var(--terracotta);
}

.cat-title {
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.35;
}

/* ─── Pipeline Section (terracotta block) ───────────────────────── */
.pipeline-block {
  background: var(--terracotta);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.pipeline-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 80% 50%, rgba(184,92,64,.5) 0%, transparent 60%);
}

.pipeline-art-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .18;
}

.pipeline-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 768px) { .pipeline-content { grid-template-columns: 1fr; } }

.pipeline-text h2 { color: #fff; margin-bottom: 1.25rem; }
.pipeline-text p  { color: rgba(255,255,255,.82); font-size: 1rem; margin-bottom: 1rem; }

.pipeline-levels {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-top: 1.5rem;
}

.level-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  padding: .8rem 1rem;
  backdrop-filter: blur(4px);
}

.level-badge {
  background: rgba(255,255,255,.2);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .2rem .5rem;
  border-radius: 4px;
  white-space: nowrap;
  margin-top: .1rem;
}

.level-text {
  font-size: .875rem;
  color: rgba(255,255,255,.9);
  line-height: 1.5;
}

.level-text strong { color: #fff; }

/* Agent Cards */
.agent-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.agent-card {
  background: rgba(255,255,255,.95);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
}

.agent-role {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: 4px;
  margin-bottom: .6rem;
}

.role-orchestrator { background: rgba(28,43,74,.12); color: var(--navy); }
.role-inspector    { background: rgba(240,184,87,.2);  color: #8B6500; }

.agent-name {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: .3rem;
}

.agent-desc {
  font-size: .85rem;
  color: var(--light);
  line-height: 1.55;
}

/* ─── Two-col text layout ───────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }

/* ─── Info Cards ────────────────────────────────────────────────── */
.info-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.info-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(214,112,82,.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--terracotta);
  margin-bottom: 1rem;
}

.info-card h4 { margin-bottom: .4rem; font-size: 1rem; }
.info-card p  { font-size: .875rem; color: var(--light); line-height: 1.6; }

/* ─── Results Table ─────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead tr {
  background: var(--navy);
  color: #fff;
}

thead th {
  padding: .85rem 1rem;
  text-align: center;
  font-weight: 600;
  letter-spacing: .03em;
  white-space: nowrap;
  font-family: var(--sans);
  font-size: .8rem;
}

thead th:first-child { text-align: left; padding-left: 1.5rem; }

tbody tr { border-bottom: 1px solid var(--cream-border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(243,240,233,.6); }
tbody tr.ours { background: rgba(214,112,82,.06); }
tbody tr.ours td { font-weight: 600; }

tbody td {
  padding: .75rem 1rem;
  text-align: center;
  color: var(--mid);
}

tbody td:first-child {
  text-align: left;
  padding-left: 1.5rem;
  font-weight: 500;
  color: var(--dark);
}

.best { color: var(--terracotta); font-weight: 700; }

.table-caption {
  font-size: .82rem;
  color: var(--light);
  text-align: center;
  padding: .75rem 1rem;
  border-top: 1px solid var(--cream-border);
  background: rgba(243,240,233,.4);
}

/* ─── Sub-header row ────────────────────────────────────────────── */
.thead-sub th {
  background: rgba(28,43,74,.85);
  font-size: .72rem;
  padding: .5rem .75rem;
  text-align: center;
  letter-spacing: .04em;
}

/* ─── Metric Pills ──────────────────────────────────────────────── */
.metric-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: rgba(214,112,82,.1);
  color: var(--terracotta-dk);
  border: 1px solid rgba(214,112,82,.25);
  border-radius: 100px;
  padding: .25rem .7rem;
  font-size: .78rem;
  font-weight: 500;
}

/* ─── BibTeX ────────────────────────────────────────────────────── */
.bibtex-block {
  background: var(--navy);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.bibtex-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1.25rem;
  background: rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.bibtex-header span {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

.copy-btn {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 4px;
  padding: .25rem .65rem;
  font-size: .75rem;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--sans);
}
.copy-btn:hover { background: rgba(255,255,255,.18); color: #fff; }

pre {
  padding: 1.5rem;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(255,255,255,.82);
  overflow-x: auto;
  white-space: pre;
}

.kw { color: var(--mustard); }
.val { color: #9EC8FF; }

/* ─── Highlight Band (mustard) ──────────────────────────────────── */
.highlight-band {
  background: var(--mustard);
  padding: .4rem 0;
}
.highlight-band-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--dark);
  overflow: hidden;
}
.hb-icon { color: var(--terracotta-dk); font-size: 1rem; }

/* ─── Footer ────────────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  padding: 3rem 0;
  text-align: center;
}

.footer p { font-size: .85rem; color: rgba(255,255,255,.45); margin-bottom: .4rem; }
.footer a { color: rgba(255,255,255,.6); }
.footer a:hover { color: rgba(255,255,255,.9); }

/* ─── Contrib list ──────────────────────────────────────────────── */
.contrib-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-top: 1.25rem;
}

.contrib-list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .95rem;
  color: var(--mid);
  line-height: 1.55;
}

.contrib-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  background: var(--terracotta);
  border-radius: 50%;
  margin-top: .5rem;
}

/* ─── Result Highlight Cards ────────────────────────────────────── */
.result-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 768px) { .result-highlights { grid-template-columns: 1fr; } }

.rh-card {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.rh-num {
  font-family: var(--serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--terracotta);
  line-height: 1;
  margin-bottom: .3rem;
}

.rh-label {
  font-size: .82rem;
  color: var(--light);
  font-weight: 500;
}

/* ─── Responsive tweaks ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .section { padding: 3rem 0; }
  .container { padding: 0 1.25rem; }
  .abstract-card { padding: 1.75rem 1.5rem; }
  .abstract-card::before { font-size: 4rem; }
}

/* ─── Category Tabs ─────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--cream-border);
  padding-bottom: .75rem;
  justify-content: center;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border: 2px solid var(--cream-border);
  border-radius: 100px;
  background: var(--white);
  color: var(--light);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--sans);
}

.tab-btn:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}

.tab-btn.active {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: #fff;
}

/* ─── Tab Panels ────────────────────────────────────────────────── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Before/After Pair Grid ────────────────────────────────────── */
.pair-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.pair-grid-single {
  grid-template-columns: 1fr;
  max-width: 640px;
  margin: 0 auto;
}

@media (max-width: 768px) { .pair-grid { grid-template-columns: 1fr; } }

.pair-item {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.pair-videos {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .5rem;
  padding: 1rem 1rem .5rem;
  background: #1a1a1a;
}

.video-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
}

.video-wrap video {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 4px;
  background: #111;
  display: block;
}

.video-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .15rem .5rem;
  border-radius: 3px;
}

.src-label  { background: rgba(255,255,255,.12); color: rgba(255,255,255,.6); }
.edit-label { background: rgba(214,112,82,.3);   color: var(--mustard); }

.pair-arrow {
  color: rgba(255,255,255,.3);
  font-size: 1rem;
  padding: 0 .25rem;
}

.pair-instruction {
  padding: .9rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.inst-label {
  display: flex;
  align-items: center;
  gap: .3rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--terracotta);
}

.pair-instruction p {
  font-size: .875rem;
  color: var(--mid);
  line-height: 1.55;
  font-style: italic;
}

/* ─── Qualitative Comparison Viewer ────────────────────────────── */
.cmp-viewer {
  background: var(--white);
  border: 1px solid var(--cream-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* ── Benchmark category tab bar ── */
.cmp-tab-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem;
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 2px solid var(--cream-border);
}

.cmp-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.1rem;
  border: 2px solid var(--cream-border);
  border-radius: 100px;
  background: var(--white);
  color: var(--light);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--sans);
}

.cmp-tab-btn:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
}

.cmp-tab-btn.active {
  background: var(--terracotta);
  border-color: var(--terracotta);
  color: #fff;
}

.cmp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.25rem;
  background: var(--navy);
  gap: 1rem;
}

.cmp-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 100px;
  color: rgba(255,255,255,.85);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--sans);
}

.cmp-btn:hover:not(:disabled) {
  background: rgba(255,255,255,.2);
  color: #fff;
}

.cmp-btn:disabled {
  opacity: .35;
  cursor: default;
}

.cmp-nav-info {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex: 1;
  justify-content: center;
}

.cmp-counter {
  font-size: .82rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  white-space: nowrap;
}

.cmp-cat-badge {
  background: var(--terracotta);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: .2rem .7rem;
  border-radius: 100px;
  white-space: nowrap;
}

.cmp-instruction-bar {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .7rem 1.25rem;
  background: rgba(243,240,233,.6);
  border-bottom: 1px solid var(--cream-border);
  font-size: .875rem;
  color: var(--mid);
  font-style: italic;
  line-height: 1.5;
  min-height: 2.5rem;
}

/* Comparison group (hidden/shown via JS) */
.cmp-group { display: none; }
.cmp-group.active { display: block; }

/* ── Source row (single centered video on top) ── */
.cmp-source-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background: #0d0d0d;
  border-bottom: 2px solid #2a2a2a;
  padding: 1rem 0 .6rem;
}

.cmp-source-cell {
  width: 25%;
  min-width: 220px;
}

/* ── Methods row (4 columns below) ── */
.cmp-methods-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: #111;
}

@media (max-width: 800px) {
  .cmp-methods-row { grid-template-columns: repeat(2, 1fr); }
  .cmp-source-cell { width: 48%; }
}
@media (max-width: 480px) {
  .cmp-methods-row { grid-template-columns: 1fr; }
  .cmp-source-cell { width: 80%; }
}

.cmp-cell {
  display: flex;
  flex-direction: column;
  border-right: 1px solid #222;
}

.cmp-cell:last-child { border-right: none; }

.cmp-cell video {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  background: #000;
}

.cmp-method-label {
  padding: .4rem .5rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
  background: #1e1e1e;
  color: rgba(255,255,255,.5);
  border-bottom: 1px solid #2a2a2a;
}

.src-lbl  { color: rgba(255,255,255,.75); }

.ours-cell { box-shadow: inset 0 0 0 2px var(--terracotta); }

.ours-lbl {
  background: rgba(214,112,82,.25);
  color: var(--mustard);
}

.ours-lbl span {
  font-weight: 400;
  opacity: .75;
  font-size: .62rem;
  text-transform: none;
  letter-spacing: 0;
}