/* ==========================================================================
   fotonet site layout & components (gallery.css)
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 32px;
}

/* -------------------------------------------------------- Glass Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 245, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.brand-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  object-fit: contain;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: transform var(--transition-quick);
  display: block;
}

.brand:hover .brand-logo-img {
  transform: scale(1.06);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.brand-subtitle {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  padding: 8px 15px;
  border-radius: var(--r-btn);
  transition: all var(--transition-quick);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.04);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-light);
  font-weight: 600;
}

.mobile-nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: var(--shadow-sm);
}

.mobile-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform var(--transition-quick), opacity var(--transition-quick);
}

.navbar-inner.nav-open .mobile-nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.navbar-inner.nav-open .mobile-nav-toggle span:nth-child(2) {
  opacity: 0;
}

.navbar-inner.nav-open .mobile-nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* -------------------------------------------------------- Pills --- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pill-neutral {
  background: var(--track);
  color: var(--gray);
  border: 1px solid var(--border);
}

.pill-accent {
  background: var(--accent-light);
  color: var(--accent-hover);
  border: 1px solid rgba(77, 107, 254, 0.2);
}

.pill-violet {
  background: var(--violet-light);
  color: var(--violet);
}

.pill-dark {
  background: var(--chip-dk-bg);
  color: var(--chip-dk-fg);
  border: 1px solid var(--topbar-border);
}

.pill-emerald {
  background: var(--emerald-subtle);
  color: var(--emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.pill-rose {
  background: rgba(239, 68, 68, 0.1);
  color: var(--rose);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* ------------------------------------------------------ Hero --- */
.hero {
  padding: 56px 0 40px;
  text-align: center;
}

.hero-header {
  max-width: 820px;
  margin: 0 auto 36px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 14px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  display: inline-block;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-gh-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: #8250df;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(130, 80, 223, 0.35);
  transition: all var(--transition-quick);
  text-decoration: none;
  flex-shrink: 0;
}

.hero-gh-link:hover {
  background: #733cd6;
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(130, 80, 223, 0.45);
}


.hero-install-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 8px 8px 8px 20px;
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-quick);
}

.hero-install-box:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
}

.install-cmd {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  user-select: all;
}

.install-copy-btn {
  background: var(--accent-light);
  color: var(--accent-hover);
  border: 1px solid rgba(77, 107, 254, 0.2);
  border-radius: var(--r-pill);
  padding: 7px 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-quick);
}

.install-copy-btn:hover {
  background: var(--accent);
  color: #fff;
}

/* ------------------------------------------------- Featured stat card --- */
.featured-card {
  background: var(--card);
  border-radius: var(--r-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 64px;
  transition: all var(--transition-normal);
}

.featured-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--border-subtle);
}

.featured-topbar {
  background: var(--topbar);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--accent);
}

.featured-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.featured-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.featured-footer {
  padding: 20px 28px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.featured-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.stat-lbl {
  font-size: 11px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.glance-note {
  width: 100%;
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--gray);
}

/* -------------------------------------------------------- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--r-btn);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-quick);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow);
}

.btn-dark {
  background: var(--chip-dk-bg);
  color: #fff;
  border: 1px solid var(--topbar-border);
}

.btn-dark:hover {
  background: #2a2a30;
}

/* ---------------------------------------------------- Section headers --- */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.section-desc {
  font-size: 15px;
  color: var(--gray);
  margin-top: 4px;
  max-width: 640px;
}

/* ------------------------------------------------------ Showcase grid --- */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 48px;
  margin-bottom: 8px;
}

.showcase-scene-group {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.showcase-scene-label {
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.showcase-scene-cards {
  display: grid;
  gap: 20px;
}

.showcase-card {
  min-width: 0;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  cursor: zoom-in;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.showcase-card[data-idx]:hover,
.showcase-card[data-idx]:focus-visible {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-hover);
  outline: none;
}

.showcase-card.ours {
  border-color: rgba(77, 107, 254, 0.45);
}

.showcase-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0b0b0e;
}

.showcase-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.showcase-card[data-idx]:hover .showcase-media img {
  transform: scale(1.02);
}

.showcase-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.showcase-annotation rect {
  fill: rgba(0, 0, 0, 0.12);
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
}

.showcase-annotation text {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  paint-order: stroke;
  stroke: rgba(0, 0, 0, 0.9);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.showcase-kind,
.showcase-count {
  position: absolute;
  top: 12px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--r-pill);
  background: rgba(10, 10, 12, 0.8);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
}

.showcase-kind {
  left: 12px;
}

.showcase-count {
  right: 12px;
  color: #b9c7ff;
}

.showcase-compare-card {
  cursor: default;
  padding: 0 0 18px;
}

.compare-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  background: var(--topbar);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.compare-card-header span:last-child {
  color: #a9a9b2;
  font-size: 10px;
  font-weight: 500;
}

.compare-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 14px 14px 0;
}

.compare-model-panel {
  overflow: hidden;
  border: 1px solid #29292f;
  border-radius: 10px;
  background: #0b0b0e;
}

.compare-model-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
  padding: 0 10px;
  background: #0a0a0c;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.compare-model-topbar span:last-child {
  color: #a9a9b2;
  font-weight: 500;
}

.compare-media {
  aspect-ratio: 4 / 3;
}

.compare-media .showcase-kind,
.compare-media .showcase-count {
  top: 8px;
  padding: 4px 7px;
  font-size: 9px;
}

.compare-media .showcase-kind {
  left: 8px;
}

.compare-media .showcase-count {
  right: 8px;
}

.showcase-caption {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px 0;
}

.showcase-compare-card .showcase-caption {
  padding-top: 14px;
}

.showcase-title {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
}

.showcase-desc {
  color: var(--gray);
  font-size: 12.5px;
  line-height: 1.5;
}
/* ---------------------------------------------------------- Lightbox --- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 8, 10, 0.92);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-stage {
  max-width: min(1400px, 92vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.lightbox-stage img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.lightbox-caption {
  display: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-quick);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.16);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  transition: all var(--transition-quick);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.16);
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* ------------------------------------------------- Disclosure banner --- */
.notice-banner {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: var(--r-panel);
  padding: 20px 24px;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.notice-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notice-content {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.notice-title {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: #92400E;
}

.notice-text {
  font-size: 13.5px;
  line-height: 1.6;
  color: #78350F;
  margin: 0;
}

/* --------------------------------------------------- Test bench card --- */
.bench-specs-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-bottom: 40px;
}

.bench-specs-head {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}

.bench-specs-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
}

.bench-specs-title svg {
  color: var(--accent);
}

.bench-specs-sub {
  font-size: 12.5px;
  color: var(--gray);
}

.bench-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0;
}

.spec-tile {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 18px 20px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-quick);
}

.spec-tile:hover {
  background: #FAFBFD;
}

.spec-tile-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spec-tile-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.spec-tile-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--gray);
}

.spec-tile-main {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.spec-tile-sub {
  font-size: 11.5px;
  color: var(--gray);
}

/* ------------------------------------------- Benchmark cubes grid --- */
.benchmark-cubes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 16px;
}

.metric-cube {
  background: var(--card);
  border-radius: var(--r-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.metric-cube:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-subtle);
}

.cube-topbar {
  background: var(--topbar);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid rgba(255, 255, 255, 0.08);
}

.cube-topbar.highlight {
  border-bottom-color: var(--accent);
}

.cube-title {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.cube-body {
  padding: 20px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.cube-hero-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.cube-main-val {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
}

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

.cube-subtext {
  font-size: 11px;
  color: var(--gray);
  margin-top: 2px;
}

.cube-mini-chart {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.cube-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
}

.cube-model-label {
  width: 84px;
  font-weight: 600;
  color: var(--ink-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.cube-model-label.ours {
  color: var(--accent);
  font-weight: 700;
}

.cube-bar-track {
  flex: 1;
  height: 8px;
  background: var(--track);
  border-radius: var(--r-pill);
  overflow: hidden;
}

.cube-bar-fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--peer-bar);
  width: 0%;
  transition: width 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.cube-bar-fill.ours {
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-up) 100%);
  box-shadow: 0 1px 6px rgba(77, 107, 254, 0.3);
}

.cube-bar-num {
  width: 58px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  flex-shrink: 0;
}

.cube-bar-num.ours {
  color: var(--accent);
  font-weight: 700;
}

.cube-footer {
  padding: 10px 18px;
  background: #FAFBFD;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--gray);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* ---------------------------------------------------- Metrics table --- */
.metrics-section {
  padding: 48px 0;
  margin-bottom: 64px;
}

.table-card {
  background: var(--card);
  border-radius: var(--r-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.docs-content .table-responsive {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow-x: auto;
  overflow-y: hidden;
}

.metrics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.metrics-table th {
  background: var(--topbar);
  color: #fff;
  font-weight: 600;
  padding: 16px 20px;
  font-size: 13px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.metrics-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  white-space: nowrap;
}

.metrics-table tr:last-child td {
  border-bottom: none;
}

.metrics-table tr.highlight-row {
  background: rgba(77, 107, 254, 0.04);
}

.metrics-table tr.highlight-row td {
  font-weight: 600;
}

.metrics-table .num {
  font-family: var(--font-mono);
  text-align: right;
}

.metrics-table th.num {
  text-align: right;
}

.row-arch {
  font-size: 12.5px;
  color: var(--gray);
}

.matrix-notes {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--gray);
  max-width: 860px;
}

.matrix-notes p {
  margin: 0;
  line-height: 1.55;
}

/* ----------------------------------------------------------- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 48px 0 32px;
  margin-top: auto;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.footer-sub {
  font-size: 13px;
  color: var(--gray);
}

.footer-meta {
  font-size: 13px;
  color: var(--gray);
}

.footer-meta a {
  color: var(--ink-secondary);
  text-decoration: none;
  font-weight: 600;
}

.footer-meta a:hover {
  color: var(--accent);
}

/* ------------------------------------------------ Developer Quickstart --- */
.quickstart-section {
  margin-bottom: 64px;
}

.code-card {
  background: var(--topbar);
  border-radius: var(--r-card);
  border: 1px solid var(--topbar-border);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

.code-topbar {
  background: rgba(18, 18, 22, 0.95);
  border-bottom: 1px solid var(--topbar-border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.code-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
}

.code-tab-btn {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--chip-dk-fg);
  background: transparent;
  border: 1px solid transparent;
  padding: 7px 10px;
  border-radius: var(--r-btn);
  cursor: pointer;
  transition: all var(--transition-quick);
  white-space: nowrap;
}

.code-tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.code-tab-btn.active {
  color: #fff;
  background: var(--chip-dk-bg);
  border-color: var(--topbar-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.code-pane {
  display: none;
  padding: 24px 28px;
  overflow-x: auto;
}

.code-pane.active {
  display: block;
}

.code-pane pre {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: #E2E2E8;
  margin: 0;
}

.syntax-keyword { color: #FF7B72; font-weight: 600; }
.syntax-string  { color: #A5D6FF; }
.syntax-fn      { color: #D2A8FF; }
.syntax-comment { color: #8B949E; font-style: italic; }
.syntax-num     { color: #79C0FF; }

/* ------------------------------------------ Interactive demo --- */
.inference-section {
  margin-bottom: 64px;
}

.inference-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.inference-topbar {
  background: var(--card);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 16px;
}

.inference-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.model-toggle-group {
  display: flex;
  background: var(--track);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.model-toggle-btn {
  border: none;
  background: transparent;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  color: var(--ink-secondary);
  transition: all var(--transition-quick);
  font-family: var(--font-sans);
}

.model-toggle-btn.active {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.conf-slider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--track);
  padding: 6px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.conf-slider-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-secondary);
}

.conf-slider {
  accent-color: var(--accent);
  cursor: pointer;
  width: 130px;
}

.conf-slider-val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  min-width: 38px;
}

.inference-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  min-height: 480px;
}

.inference-canvas-pane {
  padding: 24px;
  background: #0B0B0E;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.inference-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 760px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  line-height: 0;
}

.inference-canvas-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.inference-svg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.inference-sidebar {
  background: var(--card);
  border-left: 1px solid var(--border);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.inference-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.inference-sidebar-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-secondary);
}

.inference-dets-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  max-height: 380px;
  padding-right: 4px;
}

.det-card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--track);
  border: 1px solid var(--border);
  font-size: 12px;
  transition: all var(--transition-quick);
}

.det-card-item:hover {
  border-color: var(--accent);
  background: #fff;
}

.det-card-label {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}

.det-card-color {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.det-card-score {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
}

/* ------------------------------------------ ONNX Interactive Demo Controls --- */
.sub-controls-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sub-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-secondary);
}

.camera-select-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--track);
  padding: 4px 10px;
  border-radius: var(--r-btn);
  border: 1px solid var(--border);
}

.onnx-select {
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  outline: none;
  cursor: pointer;
  max-width: 180px;
}

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

.sample-chip {
  background: var(--track);
  border: 1px solid var(--border);
  color: var(--ink-secondary);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all var(--transition-quick);
}

.sample-chip:hover {
  background: var(--card);
  color: var(--accent);
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--r-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-quick);
  padding: 8px 16px;
  text-decoration: none;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 8px;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(77, 107, 254, 0.3);
}

.btn-dark {
  background: var(--topbar);
  color: #fff;
  border: 1px solid var(--topbar-border);
}

.btn-dark:hover {
  background: var(--topbar-surface);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
  background: var(--track);
  color: var(--ink-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--card);
  color: var(--ink);
  border-color: var(--border-subtle);
}

.inference-telemetry {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.lan-mobile-notice {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  color: #92400E;
  padding: 12px 18px;
  border-radius: var(--r-panel);
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  align-items: center;
  gap: 10px;
}

.lan-mobile-notice svg {
  flex-shrink: 0;
  color: #D97706;
}

.lan-mobile-notice code {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.05);
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 11.5px;
}

#onnxDisplayCanvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  object-fit: contain;
  background: #0B0B0E;
  max-height: 65vh;
}

#onnxOverlayCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  border-radius: 14px;
}

.inference-canvas-wrap.drag-over {
  outline: 3px dashed var(--accent);
  outline-offset: -3px;
}

.onnx-source-video {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: 0;
  bottom: 0;
}

/* ------------------------------------- Documentation page --- */
.docs-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  padding: 40px 0 80px;
}

.docs-sidebar {
  position: sticky;
  top: 96px;
  height: calc(100vh - 120px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-right: 16px;
}

.docs-nav-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.docs-nav-heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  padding: 0 12px 6px;
}

.docs-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  transition: all var(--transition-quick);
}

.docs-nav-link:hover {
  background: var(--card);
  color: var(--ink);
}

.docs-nav-link.active {
  background: #fff;
  color: var(--accent);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.docs-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  padding: clamp(28px, 4vw, 52px);
  box-shadow: var(--shadow-sm);
  min-height: 700px;
}

.docs-pane {
  display: none;
}

.docs-pane.active {
  display: block;
}

.doc-breadcrumbs {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--gray);
  margin-bottom: 12px;
}

.doc-h1 {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

.doc-lead {
  font-size: 16px;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.doc-section {
  margin-top: 32px;
}

.doc-h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.doc-p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: 16px;
}

.docs-content .code-pane {
  background: var(--topbar);
  border: 1px solid var(--topbar-border);
  border-radius: 12px;
  padding: 22px 24px;
  color: #F8FAFC;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.docs-content .code-pane pre {
  color: #F8FAFC;
  font-size: 14px;
  line-height: 1.7;
}

.docs-content .syntax-comment {
  color: #AAB4C2;
}

.doc-callout {
  border-radius: 12px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 13.5px;
  line-height: 1.6;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.doc-callout.info {
  background: rgba(77, 107, 254, 0.08);
  border: 1px solid rgba(77, 107, 254, 0.2);
  color: #1E3A8A;
}

.doc-callout.tip {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #065F46;
}

.doc-callout.warn {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  color: #92400E;
}

.doc-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--track);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-quick);
  margin-right: 8px;
  margin-top: 8px;
}

.doc-link-btn:hover {
  background: #fff;
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* ---------------------------------------------------- Toast --- */
.toast-notice {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--topbar);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-modal);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s var(--ease-spring);
  pointer-events: none;
  border: 1px solid var(--topbar-border);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ---------------------------------------------------- Responsive --- */
@media (max-width: 1200px) {
  .benchmark-cubes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .showcase-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 38px;
  }
  .featured-stats {
    gap: 16px;
  }
  .inference-layout {
    grid-template-columns: 1fr;
  }
  .docs-layout {
    grid-template-columns: 1fr;
  }
  .docs-sidebar {
    position: relative;
    top: 0;
    height: auto;
    max-height: 260px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .navbar-inner {
    height: 64px;
    flex-wrap: nowrap;
    position: relative;
  }

  .brand {
    gap: 10px;
  }

  .brand-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .brand-title {
    font-size: 18px;
  }

  .brand-subtitle {
    display: none;
  }

  .mobile-nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .nav-links {
    order: initial;
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    width: auto;
    max-height: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    padding: 0 10px;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    border: 1px solid transparent;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-modal);
    transition: max-height var(--transition-normal), padding var(--transition-normal), opacity var(--transition-quick), transform var(--transition-quick), visibility var(--transition-quick);
  }

  .navbar-inner.nav-open .nav-links {
    max-height: 420px;
    padding: 10px;
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    border-color: var(--border);
  }

  .nav-link {
    width: 100%;
    padding: 11px 12px;
    font-size: 13px;
    text-align: left;
  }

  .hero {
    padding: 44px 0 32px;
    text-align: left;
  }

  .hero-header {
    margin-bottom: 28px;
  }

  .hero-title {
    font-size: clamp(38px, 11vw, 54px);
    line-height: 1.04;
    letter-spacing: -0.045em;
  }

  .hero-title br {
    display: none;
  }

  .hero-subtitle {
    font-size: 16px;
    line-height: 1.6;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 52px;
    align-items: center;
    width: 100%;
    max-width: 440px;
    gap: 10px;
  }

  .hero-install-box {
    min-width: 0;
    justify-content: space-between;
    padding-left: 14px;
  }

  .install-cmd {
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero-gh-link {
    width: 52px;
    height: 52px;
    justify-content: center;
  }

  .featured-card {
    margin-bottom: 48px;
    border-radius: 18px;
  }

  .featured-topbar {
    padding: 14px 16px;
  }

  .featured-title {
    font-size: 16px;
  }

  .featured-footer {
    padding: 18px 16px;
  }

  .featured-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 12px;
    width: 100%;
  }

  .stat-val {
    font-size: 17px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 18px;
  }

  .section-title {
    font-size: 28px;
  }

  .section-desc {
    font-size: 14px;
    line-height: 1.55;
  }

  .showcase-grid {
    gap: 32px;
  }

  .showcase-scene-cards {
    gap: 14px;
  }

  .showcase-scene-label {
    font-size: 10px;
  }

  .compare-panels {
    grid-template-columns: repeat(3, minmax(170px, 1fr));
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .compare-model-panel {
    scroll-snap-align: start;
  }

  .inference-topbar {
    padding: 12px 16px;
    gap: 12px;
  }
  .inference-controls {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .model-toggle-group {
    width: 100%;
    overflow-x: auto;
    display: flex;
  }
  .model-toggle-btn {
    flex: 1;
    text-align: center;
    padding: 8px 10px;
    font-size: 12px;
    white-space: nowrap;
  }
  .sub-controls-group {
    width: 100%;
  }
  .camera-select-wrap {
    flex: 1;
    width: 100%;
  }
  .onnx-select {
    max-width: none;
    width: 100%;
    font-size: 13px;
  }
  .conf-slider-wrap {
    width: 100%;
    justify-content: space-between;
  }
  .conf-slider {
    flex: 1;
  }
  .inference-telemetry {
    width: 100%;
    justify-content: flex-start;
    font-size: 11px;
    gap: 6px;
  }
  .inference-layout {
    grid-template-columns: 1fr;
  }
  .inference-canvas-pane {
    padding: 8px;
  }

  .inference-canvas-wrap,
  #onnxDisplayCanvas,
  #onnxOverlayCanvas {
    border-radius: 12px;
  }

  .inference-sidebar {
    padding: 18px 16px;
    border-left: none;
    border-top: 1px solid var(--border);
  }
  .inference-dets-list {
    max-height: 220px;
  }
  .benchmark-cubes-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-overlay {
    padding: 12px;
  }
  .lightbox-nav {
    display: none;
  }
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 42px;
  }
  .btn {
    min-height: 42px;
  }
  .model-toggle-btn {
    min-height: 38px;
  }

  .nav-links,
  .navbar-inner.nav-open .nav-links {
    grid-template-columns: 1fr;
    max-height: 520px;
  }
}

@media (max-width: 680px) {
  .showcase-grid {
    gap: 36px;
  }

  .compare-panels {
    grid-template-columns: 1fr;
  }
}

.lightbox-media {
  position: relative;
  max-width: 100%;
  max-height: 78vh;
}

.lightbox-media img {
  display: block;
  max-width: 100%;
  max-height: 78vh;
}

.lightbox-media .showcase-overlay {
  overflow: visible;
}
.lightbox-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(1400px, 92vw);
  margin: 0 auto;
}

.lightbox-compare {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: min(1400px, 92vw);
}

.lightbox-compare-panel {
  overflow: hidden;
  border: 1px solid #303038;
  border-radius: 12px;
  background: #0a0a0c;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

.lightbox-compare-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 0 12px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.lightbox-compare-topbar span:last-child {
  color: #a9a9b2;
  font-weight: 500;
}

.lightbox-compare-panel .showcase-media {
  aspect-ratio: 4 / 3;
}

@media (max-width: 800px) {
  .lightbox-compare {
    grid-template-columns: 1fr;
    width: min(92vw, 520px);
  }
}