/* =========================================================
   Root theme tokens
   ========================================================= */
:root {
  --bg-hero-start: #050716;
  --bg-hero-mid: #101735;
  --bg-hero-end: #0b3a3a;
  --bg-main: #f9fafc;

  --accent: #7df9ff;
  --accent-soft: rgba(125, 249, 255, 0.14);
  --accent-dark: #072226;

  --text-main: #0d1020;
  --text-soft: #344052;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --card-bg: #ffffff;
}

/* =========================================================
   Reset + base typography
   ========================================================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  color: var(--text-main);
  background: var(--bg-main);
}

.section p {
  font-size: 1rem;
  line-height: 1.6;
}

/* =========================================================
   Top navigation
   ========================================================= */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 60px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(
    to right,
    rgba(5, 7, 22, 0.96),
    rgba(11, 58, 58, 0.9)
  );
  border-bottom: 1px solid rgba(125, 249, 255, 0.3);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #ffffff, var(--accent));
  box-shadow: 0 0 12px rgba(125, 249, 255, 0.9);
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  color: rgba(241, 245, 249, 0.9);
  text-decoration: none;
  padding: 4px 6px;
}

.nav-links a:hover {
  color: #e5f9ff;
}

.nav-pill {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(125, 249, 255, 0.6);
  color: var(--accent);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: transparent;
  cursor: pointer;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  background:
    radial-gradient(circle at top left, rgba(125, 249, 255, 0.2), transparent 55%),
    linear-gradient(to bottom, var(--bg-hero-start), var(--bg-hero-mid), var(--bg-hero-end));
  color: #f9fafb;
  padding: 40px 16px 56px;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  gap: 32px;
  align-items: center;
  justify-content: space-between;
}

.hero-text {
  flex: 1.2;
}

.hero-media {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image-frame {
  max-width: 550px;
  width: 100%;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.85);
}

.hero-image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Hero text bits */

.btn-link {
  text-decoration: none;
  display: inline-block;
}

.btn-link:visited {
  color: inherit;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(125, 249, 255, 0.9);
}

h1 {
  font-size: clamp(2.2rem, 3vw + 1rem, 3.1rem);
  line-height: 1.1;
  margin-bottom: 10px;
}

.highlight {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(226, 232, 240, 0.95);
  margin-bottom: 14px;
}

.hero-summary {
  font-size: 0.95rem;
  color: rgba(203, 213, 225, 0.98);
  max-width: 34rem;
  line-height: 1.6;
  margin-bottom: 18px;
}

.hero-contribs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.hero-contribs h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 4px;
}

.hero-contribs p {
  font-size: 0.85rem;
  color: rgba(203, 213, 225, 0.9);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--accent);
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
  cursor: pointer;
}

.btn:disabled {
  cursor: default;
}

.badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--accent-dark);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* =========================================================
   Authors strip
   ========================================================= */
.authors {
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
}

.authors-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 18px 16px 20px;
  text-align: center;
}

.authors-title {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  margin-bottom: 4px;
}

.authors-list {
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.authors-affiliation {
  font-size: 0.85rem;
  color: var(--text-soft);
}

.authors-placeholder {
  color: var(--text-soft);
}

/* Author email styling */
.authors-emails a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 2px 4px;
  border-radius: 6px;
  transition:
    color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
}

.authors-emails a:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
  box-shadow: 0 0 8px rgba(125, 249, 255, 0.35);
}


/* =========================================================
   Section + layout grid + cards
   ========================================================= */
.page-main {
  background: var(--bg-main);
}

.section {
  max-width: 65%;
  margin: 0 auto;
  padding: 40px 16px;
}

.section-alt {
  background: #f1f5f9;
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.section-header {
  margin-bottom: 24px;
}

.section-header h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.section-header p {
  font-size: 1rem;
  color: var(--text-soft);
  line-height: 1.6;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  padding: 16px 16px 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  font-size: 0.9rem;
}

.card-full {
  grid-column: span 3;
}

.card h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-soft);
  line-height: 1.5;
}

.interactive-card {
  border-color: rgba(125, 249, 255, 0.4);   /* slightly more visible base */
  position: relative;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.interactive-card:hover {
  border-color: rgba(125, 249, 255, 0.95);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.18);
  transform: translateY(-2px);
}

.interactive-card::after {
  content: "Interactive";
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  opacity: 1;
  transform: translateY(-4px); 
  transition: opacity 0.18s ease, transform 0.18s ease;
}


/* =========================================================
   Scenario Explorer (MMA-Bench)
   ========================================================= */
.scenario-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 8px;
}

.scenario-btn {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: #f8fafc;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: var(--text-soft);
  cursor: pointer;
}

.scenario-btn.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-color: rgba(125, 249, 255, 0.9);
}

/* =========================================================
   Demo split toggles (Audio / Visual / Text)
   ========================================================= */

.toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.toggle-btn {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #f8fafc;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: var(--text-soft);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease;
}

.toggle-btn:hover:not(:disabled) {
  border-color: rgba(125, 249, 255, 0.9);
  background: var(--accent-soft);
  box-shadow: 0 0 12px rgba(125, 249, 255, 0.35);
  transform: translateY(-1px);
}

.toggle-btn.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-color: rgba(125, 249, 255, 0.95);
  box-shadow: 0 0 0 1px rgba(125, 249, 255, 0.45);
}

.toggle-btn:disabled {
  cursor: default;
  opacity: 0.55;
  background: #e5e7eb;
  border-color: #d1d5db;
  box-shadow: none;
}


.scenario-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.4fr);
  gap: 14px;
  margin-top: 10px;
}

.scenario-player {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scenario-video-frame {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.9);
  background: #020617;
}

.scenario-video-frame video {
  display: block;
  width: 100%;
  height: auto;
}

.scenario-description {
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px dashed rgba(148, 163, 184, 0.6);
  font-size: 0.85rem;
  color: var(--text-soft);
}

.scenario-description-tight {
  margin-top: 4px;
}

.scenario-description h4 {
  margin-bottom: 4px;
  font-size: 0.9rem;
}

/* Scenario QA items */

.scenario-qa {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qa-item {
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: 10px 12px 10px 44px; /* space for icon */
  background: #ffffff;
  position: relative;
  font-size: 0.88rem;
}

.qa-item::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  font-size: 20px;
  opacity: 0.9;
}

.qa-question::before { content: "❓"; }
.qa-audio::before    { content: "🔊"; }
.qa-video::before    { content: "👁️"; }
.qa-desc::before     { content: "📝"; }

.qa-question { border-left: 3px solid #2563eb; }
.qa-audio    { border-left: 3px solid #059669; }
.qa-video    { border-left: 3px solid #ea580c; }
.qa-desc     { border-left: 3px solid #6b7280; }

/* =========================================================
   Dataset pipeline + generic results cards
   ========================================================= */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.results-grid-two {
  grid-template-columns: 1fr;
}

.result-card {
  background: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  padding: 14px 14px 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  font-size: 1rem;
}

.result-card h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.result-text {
  font-size: 0.86rem;
  color: var(--text-soft);
  margin-bottom: 0;
  line-height: 1.5;
}

.result-card-wide {
  grid-column: span 3;
}

.results-figure {
  margin-top: 4px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.9);
  background: #020617;
}

.results-figure img {
  width: 100%;
  display: block;
}

/* =========================================================
   Tables (overall, small variant)
   ========================================================= */
.results-table,
.small-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 6px;
  font-size: 0.9rem;
}

.results-table th,
.small-table th {
  background: #e5e9f0;
  color: #111827;
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid #cbd5e1;
}

.results-table td,
.small-table td {
  background: #ffffff;
  padding: 10px 12px;
  text-align: center;
  border-bottom: 1px solid #e5e7eb;
}

.results-table td:first-child,
.small-table td:first-child {
  text-align: left;
}

.group-header td {
  background: #e5e9f0;
  color: #111827;
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid #cbd5e1;
}

.highlight-row td {
  background: rgba(125, 249, 255, 0.18);
  border: 1px solid rgba(125, 249, 255, 0.45);
}

.delta-up {
  color: #059669;
  font-weight: 600;
  margin-left: 4px;
}

.delta-down {
  color: #dc2626;
  font-weight: 600;
  margin-left: 4px;
}

.table-caption {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.45;
}

.small-table {
  font-size: 0.88rem;
}

/* =========================================================
   Black-box model comparison (4 tiny plots)
   ========================================================= */
.results-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
  grid-column: 1 / -1;
}

.results-model-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.results-model-left {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.results-model-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.results-model-btn {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #f8fafc;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: var(--text-soft);
  cursor: pointer;
}

.results-model-btn.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-color: rgba(125, 249, 255, 0.9);
}

.results-model-hint {
  font-size: 0.82rem;
  color: var(--text-soft);
  margin-top: 0;
}

.results-model-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.results-model-plot-grid {
  margin-top: 6px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.results-model-plot-card {
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  padding: 10px 10px 12px;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  font-size: 0.85rem;
}

.results-model-plot-card h4 {
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.results-figure-compact {
  margin-top: 0;
  border-radius: 10px;
}

.results-figure-compact img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* =========================================================
   White-box attention diagnostics
   ========================================================= */
.whitebox-card {
  margin: 0 auto 18px;
}

.whitebox-model-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
  margin-bottom: 8px;
}

.whitebox-model-btn {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #f8fafc;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: var(--text-soft);
  cursor: pointer;
}

.whitebox-model-btn.active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-color: rgba(125, 249, 255, 0.9);
}

/* Stack two white-box cards vertically */
.whitebox-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

/* Cohen's D explainer */
.cohen-layout {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.cohen-explainer {
  flex: 0.8;
  min-width: 240px;
}

.cohen-pill-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cohen-pill {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.82rem;
  background: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.7);
}

/* Plot pair */
.cohen-plots {
  flex: 2.2;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  min-width: 340px;
}

.cohen-plot {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cohen-plot img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: #020617;
}

.cohen-subcap {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-soft);
  line-height: 1.35;
}

/* Optional quick legend (kept for future use) */
.cohen-quick {
  margin: 8px 0 6px;
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.45;
}

.cohen-quick div {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cohen-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.cohen-dot.pos { background: #22c55e; }
.cohen-dot.neg { background: #ef4444; }
.cohen-dot.mag { background: #0ea5e9; }

/* =========================================================
   Findings accordion
   ========================================================= */
.accordion {
  max-width: none;
}

.accordion-item {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  margin-bottom: 4px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion-item span:first-child {
  flex: 1;
}

.accordion-icon {
  margin-left: 8px;
  font-weight: 600;
}

.accordion-panel {
  display: none;
  padding: 8px 10px 12px;
  margin-bottom: 6px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px dashed rgba(148, 163, 184, 0.7);
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.accordion-panel.open {
  display: block;
}

/* --- Accordion: larger, more impactful text --- */

.accordion-item {
  font-size: 1.05rem;           /* increased from 0.9rem */
  font-weight: 600;             /* makes headers punchier */
  padding: 12px 14px;           /* slightly more breathing room */
}

.accordion-icon {
  font-size: 1.2rem;            /* larger + more prominent */
}

.accordion-panel {
  font-size: 0.98rem;           /* increased from ~0.88rem */
  line-height: 1.55;
  padding: 10px 12px 14px;      /* slightly increased spacing */
}


/* =========================================================
   Alignment-aware tuning section
   ========================================================= */

/* Pipeline strip */
.alignment-pipeline-card {
  margin-bottom: 20px;
  padding: 16px 18px 14px;
}

.alignment-pipeline {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.pipe-step {
  flex: 1;
  padding: 20px 22px;
  border-radius: 999px;
  background: linear-gradient(
    135deg,
    rgba(125, 249, 255, 0.12),
    rgba(125, 249, 255, 0.04)
  );
  border: 1px solid rgba(8, 8, 8, 0.45);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  min-height: 140px;
}

.pipe-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(125, 249, 255, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  line-height: 1;
  box-shadow: 0 3px 10px rgba(125, 249, 255, 0.28);
}

.pipe-label {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-main);
}

.pipe-sub {
  font-size: 0.74rem;
  color: var(--text-soft);
}

.pipe-arrow {
  align-self: center;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.alignment-pipeline-caption {
  margin-top: 10px;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.55;
}

/* Lower grid: left sample card + right attention card */
.alignment-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1.1fr);
  gap: 16px;
}

/* Left card */
.alignment-sample-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.sample-item {
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  padding: 10px 12px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.sample-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.sample-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(125, 249, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.sample-title {
  font-size: 0.86rem;
  font-weight: 600;
}

.sample-body {
  font-size: 0.86rem;
  color: var(--text-soft);
  line-height: 1.5;
}

/* Right card: Cohen-D plot + bars */
.alignment-training-card h4 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.attn-plot-single {
  margin-top: 10px;
}

.attn-plot-single img {
  width: 100%;
  display: block;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #020617;
}

/* Numeric summary bars */
.attn-bars {
  margin: 10px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.attn-bar-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.attn-bar-axis {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.attn-axis-left,
.attn-axis-right {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-soft);
}

.attn-bar-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #e5e9f0;
  overflow: hidden;
  position: relative;
}

.attn-bar-fill {
  height: 100%;
  border-radius: inherit;
}

.attn-before {
  background: rgba(240, 44, 44, 0.85);
}

.attn-after {
  background: rgba(99, 102, 241, 0.85);
}

/* =========================================================
   Demo gallery
   ========================================================= */


.demo-shell {
  border-radius: 22px;
  padding: 18px 18px 20px;
  background:
    radial-gradient(circle at top left, rgba(125,249,255,0.16), transparent 55%),
    linear-gradient(to bottom right, #f1f5f9, #e2e8f0);
  box-shadow: 0 18px 40px rgba(15,23,42,0.18);
}

.demo-shell-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.demo-shell-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.demo-shell-sub {
  font-size: 0.86rem;
  color: var(--text-soft);
}

.demo-gallery-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.demo-example-card {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  padding: 12px 12px 14px;
  box-shadow: 0 10px 26px rgba(15,23,42,0.06);
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo-example-header h3 {
  font-size: 0.95rem;
  margin-top: 4px;
}

/* Prompt badges */

.demo-prompt-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.demo-prompt-audio {
  background: rgba(16,185,129,0.14);
  color: #047857;
}

.demo-prompt-visual {
  background: rgba(37,99,235,0.14);
  color: #1d4ed8;
}

/* Video row */

.demo-video-row video {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(148,163,184,0.8);
  background: #020617;
}

/* Meta info */

.demo-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.demo-audio-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
}

.demo-audio-icon {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: #e5e9f0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-question,
.demo-gt {
  font-size: 0.84rem;
  color: var(--text-soft);
}

/* Predictions */

.demo-preds {
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.demo-pred-row {
  border-radius: 10px;
  padding: 8px 10px;
}

.demo-pred-baseline {
  background: #fee2e2;
  border: 1px solid #fecaca;
}

.demo-pred-tuned {
  background: #dcfce7;
  border: 1px solid #bbf7d0;
}

.demo-pred-label {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-bottom: 2px;
}

.demo-model-pill {
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.76rem;
  font-weight: 600;
  background: #f1f5f9;
  color: #111827;
}

.demo-model-pill-ours {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.demo-pred-tag {
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.demo-pred-tag-bad {
  background: rgba(248,113,113,0.2);
  color: #b91c1c;
}

.demo-pred-tag-good {
  background: rgba(34,197,94,0.2);
  color: #047857;
}

.demo-pred-text {
  font-size: 0.84rem;
}

/* Responsive */

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

  .demo-shell-header {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* =========================================================
   Resources + footer
   ========================================================= */
.resources-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 16px;
}

.bibtex {
  background: #020617;
  color: #e5e7eb;
  font-size: 0.8rem;
  padding: 10px 12px;
  border-radius: 10px;
  overflow-x: auto;
}

.site-footer {
  padding: 14px 16px 18px;
  text-align: center;
  font-size: 0.8rem;
  color: #6b7280;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  background: #f9fafb;
}

/* =========================================================
   Responsive tweaks
   ========================================================= */
@media (max-width: 960px) {
  .hero-inner {
    flex-direction: column-reverse;
  }

  .hero-contribs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-full {
    grid-column: span 2;
  }

  .scenario-layout {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .results-grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-card-wide {
    grid-column: span 2;
  }

  .results-model-grid {
    grid-template-columns: 1fr;
  }

  .results-model-plot-grid {
    grid-template-columns: 1fr;
  }

  .demo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .resources-grid {
    grid-template-columns: 1fr;
  }

  .alignment-grid {
    grid-template-columns: 1fr;
  }

  .alignment-pipeline {
    flex-wrap: wrap;
    gap: 8px;
  }

  .pipe-step {
    flex: 1 1 100%;
    border-radius: 14px;
  }

  .pipe-arrow {
    display: none;
  }

  .cohen-layout {
    flex-direction: column;
  }

  .cohen-plots {
    flex-direction: column;
  }

  .attn-bars {
    margin-top: 10px;
  }

  .results-duo {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .top-nav {
    padding: 0 12px;
  }

  .nav-links {
    gap: 10px;
  }

  .nav-links a {
    display: none;
  }

  .nav-pill {
    margin-left: auto;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-contribs {
    grid-template-columns: 1fr;
  }

  .section-grid,
  .results-grid,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .results-grid-two {
    grid-template-columns: 1fr;
  }

  .card-full,
  .result-card-wide {
    grid-column: span 1;
  }

  .section {
    padding: 28px 14px;
  }
}

/* Contact Card Styling */

/* Contact card with avatars + copy buttons */

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.contact-intro {
  font-size: 0.85rem;
  color: var(--text-soft);
  margin-bottom: 2px;
}

.contact-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.contact-entry:hover {
  border-color: rgba(125, 249, 255, 0.6);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.contact-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-avatar {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #ffffff, var(--accent));
  box-shadow: 0 0 10px rgba(125, 249, 255, 0.6);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-name {
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.88rem;
}

.contact-email {
  font-size: 0.85rem;
  color: var(--text-soft);
  text-decoration: none;
  padding: 1px 4px;
  border-radius: 6px;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.contact-email:hover {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

/* Copy button */

.contact-copy {
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #ffffff;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-soft);
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease,
    color 0.15s ease;
}

.contact-copy-icon {
  font-size: 0.82rem;
}

.contact-copy:hover {
  border-color: rgba(125, 249, 255, 0.9);
  background: var(--accent-soft);
  box-shadow: 0 0 10px rgba(125, 249, 255, 0.3);
  color: var(--accent-dark);
  transform: translateY(-1px);
}

/* Visual feedback when copied */

.contact-copy.copied {
  background: #dcfce7;
  border-color: #22c55e;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.4);
  color: #166534;
}

/* Acknowledgment block */
.authors-ack {
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
}

.authors-ack-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px 24px;
  text-align: center;
}

/* Soft glowing pill-style badge */
.authors-ack-badge {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border: 1px solid rgba(125,249,255,0.45);
  box-shadow: 0 0 10px rgba(125,249,255,0.18);
}

/* Main acknowledgment text */
.authors-ack-text {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.55;
  max-width: 45rem;
  margin: 0 auto;
}