/* Academic project page theme.
   Look adapted from the Academic Project Page Template (github.com/eliahuhorwitz/Academic-project-page-template),
   itself adapted from Nerfies (github.com/nerfies/nerfies.github.io); both CC BY-SA 4.0.
   Changes from APT: AA contrast for every text colour, motion behind prefers-reduced-motion,
   heading accent bar follows the heading's alignment, no floating controls over content on phones,
   an accessible carousel without jQuery or bulma-carousel. See references/style-fidelity.md. */

:root {
  --primary-color: #2563eb;        /* 5.2:1 on white; links and focus rings */
  --primary-hover: #1d4ed8;
  --accent-color: #0ea5e9;         /* decorative only, never text */
  --text-primary: #1e293b;
  --text-secondary: #475569;       /* APT #64748b is 4.3:1 on #f1f5f9; this is 6.9:1 */
  --text-light: #5b6576;           /* APT #94a3b8 is 2.6:1 on white; this is 5.4:1 on #f1f5f9 */
  --success-color: #047857;        /* "Copied" state; APT #10b981 is 2.5:1 with white text */
  --award-color: #7a5300;          /* warm gold text, 7.0:1 on its fill */
  --award-background: #fdf7e7;
  --award-border: #ecd9a6;
  --award-icon: #b07d0a;           /* decorative trophy */
  --background-primary: #ffffff;
  --background-secondary: #f8fafc;
  --background-accent: #f1f5f9;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --focus-ring: 3px solid var(--primary-color);
  --font-sans: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', Consolas, 'Roboto Mono', monospace;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  background-color: var(--background-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Bulma sets its own families on these; keep one family throughout. */
.button, .input, .select select, .textarea, .title, .subtitle {
  font-family: var(--font-sans);
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  z-index: 1001;
  top: .5rem;
  left: .5rem;
  padding: .5rem 1rem;
  border-radius: var(--border-radius);
  color: #fff;
  background: var(--text-primary);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
  color: #fff;
}

/* Focus: visible ring for keyboard users only. */
a:focus-visible,
button:focus-visible,
.button:focus-visible,
[tabindex]:focus-visible,
summary:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.button:focus:not(:focus-visible) {
  box-shadow: var(--shadow-md);
}

.nowrap {
  white-space: nowrap;
}

/* Long paragraphs in full-width sections: capped, not centered. */
.measure {
  max-width: 768px;
}

/* ---------- Site header and More Works ---------- */
.site-header {
  position: relative;
  z-index: 20;
  padding: 1rem 1.5rem 0;
}

.site-header .container {
  display: flex;
  justify-content: flex-end;
}

.more-works {
  position: relative;
}

.more-works-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: .6rem 1.1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  color: var(--text-primary);
  background: var(--background-primary);
  box-shadow: var(--shadow-sm);
  font: 600 .9rem/1.2 var(--font-sans);
  cursor: pointer;
  transition: var(--transition);
}

.more-works-btn:hover {
  border-color: var(--primary-color);
  background: var(--background-secondary);
}

.more-works-btn .dropdown-arrow {
  font-size: .8rem;
  transition: transform .2s ease;
}

.more-works-btn[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.more-works-panel {
  position: absolute;
  top: calc(100% + .5rem);
  right: 0;
  width: 400px;
  max-width: calc(100vw - 2rem);
  max-height: 70vh;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--background-primary);
  box-shadow: var(--shadow-xl);
}

.more-works-panel[hidden] {
  display: none;
}

.more-works-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1rem .75rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.more-works-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 700;
}

.close-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  background: none;
  cursor: pointer;
}

.close-btn:hover {
  color: var(--text-primary);
  background: var(--background-accent);
}

.works-list {
  margin: 0;
  padding: .75rem;
  list-style: none;
}

.work-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: .875rem;
  border-radius: var(--border-radius);
  color: inherit;
  transition: var(--transition);
}

.work-item:hover {
  color: inherit;
  background: var(--background-accent);
}

.work-title {
  display: block;
  margin-bottom: .35rem;
  color: var(--text-primary);
  font-weight: 600;
}

.work-description {
  display: block;
  margin-bottom: .35rem;
  color: var(--text-secondary);
  font-size: .9rem;
  line-height: 1.45;
}

.work-venue {
  color: var(--text-light);
  font-size: .8125rem;
  font-style: italic;
}

.work-item .icon {
  flex: none;
  color: var(--text-light);
  font-size: .9rem;
}

/* ---------- Title block ---------- */
.publication-header .hero-body {
  padding: 3rem 1.5rem 2rem;
}

.publication-title {
  margin-bottom: 1.5rem !important;
  color: var(--text-primary) !important;
  font-weight: 800 !important;
  line-height: 1.1 !important;
}

.publication-authors {
  margin-bottom: .75rem;
  font-weight: 500;
}

.publication-affiliations {
  margin-bottom: .5rem;
  color: var(--text-secondary);
}

.author-block {
  display: inline-block;
  margin-right: .35rem;
}

.publication-authors a {
  position: relative;
  color: var(--primary-color);
  font-weight: 600;
}

.publication-authors a:hover {
  color: var(--primary-hover);
}

.publication-authors a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
}

.publication-authors a:hover::after,
.publication-authors a:focus-visible::after {
  width: 100%;
}

.eql-cntrb {
  margin: 0 0 .5rem;
  color: var(--text-light);
  font-size: .875rem;
  font-style: italic;
}

/* Bulma's 75% superscript would be 10.5px here; keep it at 12px or more. */
.eql-cntrb sup {
  font-size: .875em;
}

.publication-venue,
.publication-awards {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: .75rem auto 0;
  padding: .5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.publication-venue {
  color: var(--text-secondary);
  background: var(--background-accent);
  font-weight: 600;
}

.publication-awards {
  display: flex;
  align-items: center;
  gap: .5rem;
  border: 1px solid var(--award-border);
  color: var(--award-color);
  background: var(--award-background);
  font-weight: 500;
}

.publication-awards strong {
  color: inherit;
  font-weight: 600;
}

.publication-awards .fa-trophy {
  flex: none;
  color: var(--award-icon);
}

/* Keep "Champion · CPEG Best FYP Award 2024–25" on one line on phones. */
@media (max-width: 480px) {
  .publication-awards {
    gap: .4rem;
    padding: .45rem .8rem;
    font-size: .875rem;
  }
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem .5rem;
  margin-top: 1.5rem;
}

.publication-links .button {
  margin: 0;
}

/* ---------- Buttons ---------- */
.button {
  border-radius: var(--border-radius) !important;
  font-weight: 600 !important;
  transition: var(--transition);
}

.button.is-dark {
  border: none;
  color: #fff;
  background: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.button.is-dark:hover,
.button.is-dark:focus-visible {
  color: #fff;
  background: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

/* ---------- Sections ---------- */
.section {
  padding: 4rem 1.5rem;
}

/* APT's tinted band, for alternating sections. */
.section.is-light {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--background-secondary);
}

.section.is-light + .section.is-light {
  border-top: 0;
}

.title.is-3 {
  margin-bottom: 2rem !important;
  color: var(--text-primary);
  font-weight: 700;
}

/* Accent bar under section headings. It follows the heading's own alignment:
   left under left-aligned headings, centered only inside centered columns. */
.title.is-3::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  margin-top: 1rem;
  border-radius: 2px;
  background: var(--gradient-accent);
}

.has-text-centered .title.is-3::after,
.title.is-3.has-text-centered::after {
  margin-left: auto;
  margin-right: auto;
}

.title.is-4 {
  color: var(--text-primary);
  font-weight: 600;
}

.content.has-text-justified,
.lead-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

.content.has-text-justified p:not(:last-child) {
  margin-bottom: 1.5rem;
}

/* ---------- Media ---------- */
/* One corner treatment for content media. The figure viewer lives outside <main>. */
main img,
main video,
.publication-video,
.poster-embed {
  border-radius: var(--border-radius);
}

main video {
  display: block;
  width: 100%;
  height: auto;
  background: var(--background-accent);
}

.teaser .hero-body {
  padding: 1rem 1.5rem 3rem;
}

.teaser figure {
  margin: 0;
}

.teaser img,
.teaser video {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: var(--shadow-lg);
}

.teaser-caption {
  margin-top: 1.25rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.6;
  text-align: center;
}

.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  /* Dark until the embed loads, so a lazy or blocked iframe never looks like an empty white box. */
  background: #0f172a;
  box-shadow: var(--shadow-xl);
}

.publication-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Bulma indents figures inside .content by 2em; figures share the text's left edge. */
.content figure {
  margin-left: 0;
  margin-right: 0;
}

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

.figure-block {
  margin: 0 0 1.5rem;
}

/* Bulma italicizes and centers figure captions inside .content; captions here are upright, left-aligned prose. */
.content figure figcaption,
figcaption {
  margin-top: .75rem;
  color: var(--text-secondary);
  font-size: .9375rem;
  font-style: normal;
  text-align: left;
}

/* ---------- Carousel (static/js/index.js) ---------- */
.carousel {
  position: relative;
}

.carousel-viewport {
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  touch-action: pan-y;
}

.carousel-track {
  display: flex;
  align-items: flex-start;
}

.carousel-slide {
  flex: 0 0 100%;
  min-width: 0;
}

/* Without JavaScript every slide is shown in a column. */
.carousel:not(.is-ready) .carousel-track {
  flex-direction: column;
  gap: 1.5rem;
}

.carousel-card {
  margin: 0;
  padding: 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  background: var(--background-primary);
}

.carousel-card img,
.carousel-card video {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.carousel-card figcaption {
  margin-top: .875rem;
  text-align: center;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  margin-top: 1rem;
}

.carousel-button {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  background: var(--background-primary);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-button:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.carousel-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.carousel-dot {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 44px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.carousel-dot::before {
  content: '';
  width: 10px;
  height: 10px;
  border: 2px solid var(--text-light);
  border-radius: 50%;
  transition: var(--transition);
}

.carousel-dot[aria-current="true"]::before {
  border-color: var(--primary-color);
  background: var(--primary-color);
  transform: scale(1.2);
}

/* ---------- Poster ---------- */
.poster-embed {
  display: block;
  width: 100%;
  height: 75vh;
  min-height: 480px;
  border: 1px solid var(--border-color);
  background: var(--background-accent);
}

.poster-links {
  margin-top: 1rem;
}

/* Phones get the link only: embedded PDF viewers are unusable at this width. */
@media screen and (max-width: 768px) {
  .poster-embed {
    display: none;
  }
}

/* ---------- Tables (caption above, natural width, scroll inside on narrow screens) ---------- */
.table.is-numeric td:not(:first-child),
.table.is-numeric th:not(:first-child) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table-figure {
  margin: 2rem 0;
}

.table-caption {
  margin-bottom: .75rem;
  color: var(--text-secondary);
  font-size: .9375rem;
  text-wrap: pretty;
}

.table-caption strong {
  color: var(--text-primary);
}

.table-figure .table-container {
  max-width: 100%;
  overflow-x: auto;
}

.table-figure .table {
  width: auto;
  margin-bottom: 0;
  color: var(--text-primary);
}

.table-figure .table th,
.table-figure .table td {
  border-color: var(--border-color);
  white-space: nowrap;
}

.table-figure .table thead th {
  color: var(--text-primary);
  font-weight: 600;
}

/* Align the first column with the caption above it. */
.table-figure .table th:first-child,
.table-figure .table td:first-child {
  padding-left: 0;
}

.table-figure .table-container:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

/* ---------- BibTeX ---------- */
.bibtex-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.bibtex-header .title {
  margin-bottom: 0 !important;
}

.copy-bibtex-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: .6rem 1rem;
  border: 0;
  border-radius: var(--border-radius);
  color: #fff;
  background: var(--primary-color);
  font: 600 .9rem/1.2 var(--font-sans);
  cursor: pointer;
  transition: var(--transition);
}

.copy-bibtex-btn:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.copy-bibtex-btn.is-copied {
  background: var(--success-color);
}

.content pre,
pre {
  padding: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  background: var(--background-accent);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-mono);
  font-size: .9rem;
}

pre code,
code {
  color: var(--text-primary);
  background: var(--background-accent);
  font-family: var(--font-mono);
}

pre code {
  padding: 0;
}

/* ---------- Footer ---------- */
.footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: var(--background-secondary);
}

.footer .content {
  color: var(--text-secondary);
  line-height: 1.7;
}

.footer a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* ---------- Floating contents menu and back to top ----------
   Hidden (and out of the tab order) until the reader scrolls past the header. */
.page-nav {
  position: fixed;
  z-index: 30;
  right: 1.5rem;
  bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .625rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}

.page-nav.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.page-nav-buttons {
  display: flex;
  gap: .375rem;
  padding: .3125rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: rgb(255 255 255 / .95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}

.page-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-width: 2.5rem;
  height: 2.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
}

.page-nav-toggle {
  padding: 0 1rem;
  color: #fff;
  background: var(--text-primary);
}

.page-nav-toggle:hover,
.page-nav-toggle[aria-expanded="true"] {
  background: #0f172a;
}

.page-nav-top {
  color: var(--text-primary);
  background: var(--background-primary);
  border-color: var(--border-color);
}

.page-nav-top:hover {
  background: var(--background-accent);
}

.page-nav-menu {
  width: 18rem;
  max-width: calc(100vw - 2rem);
  max-height: calc(100vh - 7rem);
  overflow-y: auto;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--background-primary);
  box-shadow: var(--shadow-lg);
}

.page-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: .625rem;
  margin-bottom: .5rem;
  border-bottom: 1px solid var(--border-color);
}

.page-nav-title {
  color: var(--text-primary);
  font-size: .9375rem;
  font-weight: 700;
}

.page-nav-close {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 6px;
  color: var(--text-secondary);
  background: none;
  font-size: 1.375rem;
  line-height: 1;
  cursor: pointer;
}

.page-nav-close:hover {
  color: var(--text-primary);
  background: var(--background-accent);
}

.page-nav-list,
.page-nav-list ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-nav-list a {
  display: block;
  padding: .375rem .625rem;
  border-radius: 6px;
  color: var(--text-primary);
  font-size: .875rem;
  line-height: 1.35;
  text-decoration: none;
}

.page-nav-list a:hover {
  color: var(--primary-color);
  background: var(--background-accent);
}

.page-nav-list a[aria-current] {
  color: var(--primary-color);
  background: var(--background-accent);
  font-weight: 600;
}

.page-nav-list ol {
  margin: .125rem 0 .25rem .75rem;
  padding-left: .25rem;
  border-left: 1px solid var(--border-color);
}

.page-nav-list ol a {
  padding: .25rem .625rem;
  color: var(--text-secondary);
  font-size: .8125rem;
}

/* Room under the footer text so the floating buttons never cover its last line. */
.footer > .container {
  padding-bottom: 3.5rem;
}

@media screen and (max-width: 768px) {
  .page-nav {
    right: 1rem;
    bottom: 1rem;
  }

  /* Icon-only on phones; the label stays as the button's accessible name. */
  .page-nav-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .page-nav-btn {
    min-width: 2.75rem;
    height: 2.75rem;
  }

  .page-nav-toggle {
    padding: 0;
  }
}

/* ---------- Disclosures for secondary material ---------- */
details.figure-details {
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

details.figure-details + details.figure-details {
  margin-top: 0;
  border-top: 0;
}

details.figure-details > summary {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 44px;
  padding: .5rem 0;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
}

details.figure-details > summary::-webkit-details-marker {
  display: none;
}

details.figure-details > summary::before {
  content: '';
  flex: none;
  width: .45rem;
  height: .45rem;
  margin: 0 .2rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform .2s ease;
}

details.figure-details[open] > summary::before {
  transform: rotate(45deg);
}

details.figure-details[open] {
  padding-bottom: 1.5rem;
}

/* ---------- Text wrapping ---------- */
.publication-title, .publication-authors, .publication-affiliations,
.publication-venue, .publication-awards, h2, h3, .teaser-caption {
  text-wrap: balance;
}

.content p, figcaption {
  text-wrap: pretty;
}

/* ---------- Responsive ---------- */
@media screen and (max-width: 768px) {
  .section {
    padding: 3rem 1rem;
  }

  .site-header {
    padding: .75rem 1rem 0;
  }

  .publication-header .hero-body {
    padding: 2rem 1rem 1.5rem;
  }

  .teaser .hero-body {
    padding: .5rem 1rem 2.5rem;
  }

  .publication-title.title.is-1 {
    font-size: 2.5rem;
    line-height: 1.2 !important;
  }

  .publication-authors,
  .publication-affiliations {
    font-size: 1.0625rem !important;
  }

  .content.has-text-justified,
  .lead-text {
    font-size: 1rem;
  }

  /* Justified text leaves wide gaps in narrow columns. */
  .has-text-justified {
    text-align: left !important;
  }

  .carousel-card {
    padding: .75rem;
  }

  .teaser-caption {
    font-size: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .publication-title.title.is-1 {
    font-size: 2rem;
  }

  .publication-links .button {
    font-size: .875rem;
  }
}

/* ---------- Motion: only for visitors who have not asked for less ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }

  main > .hero,
  main > .section {
    animation: fadeInUp .6s ease-out;
  }

  .carousel-track {
    transition: transform .45s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .button.is-dark:hover,
  .copy-bibtex-btn:hover,
  .more-works-btn:hover,
  .page-nav-btn:hover {
    transform: translateY(-2px);
  }

  .publication-authors a::after {
    transition: width .3s ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header, .page-nav, .carousel-controls, .copy-bibtex-btn, .skip-link {
    display: none !important;
  }

  .carousel .carousel-track {
    flex-direction: column;
    transform: none !important;
  }

  .button {
    color: var(--text-primary) !important;
    background: transparent !important;
    box-shadow: none !important;
  }
}

/* ---------- Page-specific layout (this project) ---------- */
/* Teaser: two clips side by side, columns proportional to width/height (472/652 and 1280/720)
   so both share one height at every width. */
.teaser-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.724fr) minmax(0, 1.778fr);
  gap: 1.5rem;
  align-items: start;
}

/* Metric examples: each row's columns proportional to its images' width/height, so a row shares one height. */
.example-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 1.5rem;
}
.example-grid figure { margin: 0; min-width: 0; }
.example-grid img { width: 100%; }
.example-grid-a { grid-template-columns: minmax(0, 0.889fr) minmax(0, 1.629fr); }
.example-grid-b { grid-template-columns: minmax(0, 0.882fr) minmax(0, 1.668fr); }

.figure-narrow { max-width: 640px; }

.video-links {
  margin-top: .75rem;
  color: var(--text-secondary);
}
.video-links a { font-weight: 600; }
.video-links span { margin: 0 .5rem; }

@media (max-width: 600px) {
  .teaser-grid,
  .example-grid-a,
  .example-grid-b { grid-template-columns: 1fr; }
}

/* Links inside captions use the palette's link colour (Bulma's default is too light on tinted bands). */
figcaption a,
.video-links a {
  color: var(--primary-color);
  text-decoration: underline;
}
figcaption a:hover,
.video-links a:hover { color: var(--primary-hover); }