/* AIMH theme (adapted from the MaLA-LM theme)
   Restyles the Bulma-based academic project pages in the editorial style of
   OLAResearch (olaresearch.github.io): a warm paper background, Castoro serif
   headings over Inter body text, earth/sage accents, hairline borders and
   brand-tinted resource buttons. Loaded after bulma.min.css, so the rules
   below override Bulma without changing any page markup. */

:root {
  --bg-color: #fdfcf9;
  --text-primary: #292826;
  --text-secondary: #6e6b66;
  --accent-earth: #b39371;
  --accent-earth-dark: #8a6c4d;
  --accent-sage: #758273;
  --surface-color: #ffffff;
  --surface-muted: #faf8f5;
  --border-color: #ebe7df;

  /* Brand tints for external-resource buttons: light fill, brand-dark label */
  --gh-bg: #f3f1ed;
  --gh-bg-hover: #e8e5de;
  --gh-fg: #24292e;
  --gh-border: #ddd9d0;
  --hf-bg: #fff5d1;
  --hf-bg-hover: #ffeeb4;
  --hf-fg: #6b5200;
  --hf-border: #f0de9f;
  --portal-bg: #e9eee8;
  --portal-bg-hover: #dee5dc;
  --portal-fg: #3b4a39;
  --portal-border: #cdd6ca;
  --discord-bg: #edeefd;
  --discord-bg-hover: #e1e3fb;
  --discord-fg: #363da8;
  --discord-border: #cfd3f8;
  --paper-bg: #f8ece8;
  --paper-bg-hover: #f3dfd8;
  --paper-fg: #8a2f1c;
  --paper-border: #ead0c7;

  --font-serif: 'Castoro', 'Georgia', serif;
  --font-sans: 'Inter', 'Noto Sans', -apple-system, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  background-color: var(--bg-color);
  scroll-behavior: smooth;
  scroll-padding-top: 5rem; /* Account for sticky navbar height */
}

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

::selection { background: rgba(179, 147, 113, 0.25); }

/* Typography */
h1, h2, h3, h4, h5, h6,
.title,
.content h1, .content h2, .content h3, .content h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--text-primary);
}

.title { letter-spacing: -0.01em; }
.title.is-1 { font-size: clamp(2.25rem, 5vw, 3.75rem); line-height: 1.1; letter-spacing: -0.03em; }
.title.is-2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); line-height: 1.2; letter-spacing: -0.02em; }
.title.is-3 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.25; }
.title.is-4 { font-size: 1.4rem; line-height: 1.3; }

/* A section heading without a size modifier ("Latest Updates", "BibTeX") */
.title:not([class*="is-"]) {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.25;
  margin-bottom: 1.75rem;
}

.content h2.title,
.content h3.title { font-weight: 400; }

.title strong, .title b { font-weight: 600; }

.subtitle {
  color: var(--text-secondary);
  font-weight: 300;
}

.subtitle.is-3,
.subtitle.is-4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-sage);
}

.title + .subtitle { margin-top: -0.5rem !important; }

strong { color: inherit; font-weight: 600; }

/* Links: earth tone with a soft underline in body copy */
a { color: var(--accent-earth-dark); transition: color 0.2s ease, text-decoration-color 0.2s ease; }
a:hover { color: var(--accent-sage); }

.content a:not(.button),
.publication-authors a,
.footnote a,
.caption a {
  color: var(--accent-earth-dark) !important;
  text-decoration: underline;
  text-decoration-color: rgba(179, 147, 113, 0.4);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.content a:not(.button):hover,
.publication-authors a:hover,
.footnote a:hover,
.caption a:hover {
  color: var(--accent-sage) !important;
  text-decoration-color: var(--accent-sage);
}

/* A heading that is itself a link reads as a heading, not as body copy */
.content .title a:not(.button) {
  color: inherit !important;
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 147, 113, 0.4);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-earth);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Site navigation */
.site-nav {
  background: rgba(253, 252, 249, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.8rem 4vw;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.site-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.site-nav-brand:hover { color: var(--accent-earth); }

.site-nav-logo {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.site-nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.site-nav-item:hover,
.site-nav-item.is-active { color: var(--accent-earth); }

.site-nav-sep {
  width: 1px;
  height: 1.1rem;
  background: var(--border-color);
}

.site-nav-icon {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  opacity: 0.75;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.site-nav-icon:hover { opacity: 1; color: var(--text-primary); }
.site-nav-icon .nav-label { display: none; }

.site-nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  padding: 10px 8px;
  border: none;
  background: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.site-nav-burger span {
  display: block;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.site-nav.is-open .site-nav-burger span:nth-child(1) { transform: translateY(8.25px) rotate(45deg); }
.site-nav.is-open .site-nav-burger span:nth-child(2) { opacity: 0; }
.site-nav.is-open .site-nav-burger span:nth-child(3) { transform: translateY(-8.25px) rotate(-45deg); }

/* Layout & sections */
.section { padding: 4.5rem 1.5rem; background: transparent; }
.container.is-max-desktop { max-width: 960px !important; }

/* Bulma's grey "is-light" band becomes a white card on the paper background */
.hero { background: transparent; }
.hero.is-light { background-color: transparent; color: var(--text-primary); }

.section.hero.is-light > .container {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 3rem);
  width: 100%;
}

.section.hero.is-light .column.is-four-fifths { width: 100%; flex: none; }

.section.hero.is-light .title.is-3 {
  font-size: 0.8rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-earth);
  margin-bottom: 1.5rem;
}

/* Abstract-style copy inside the card: serif, quiet and readable */
.section.hero.is-light .content p {
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  line-height: 1.75;
  color: var(--text-primary);
}

/* Paper hero */

.site-nav + .hero {
  position: relative;
  overflow: hidden;
}

.site-nav + .hero .hero-body {
  padding: clamp(4rem, 10vw, 7rem) 1.5rem clamp(2.5rem, 6vw, 4rem);
  position: relative;
  z-index: 1;
}

/* Soft radial wash behind the hero, as on the OLA landing page */
.site-nav + .hero::before {
  content: '';
  position: absolute;
  top: -35%;
  right: -15%;
  width: 60vw;
  height: 60vw;
  max-width: 900px;
  max-height: 900px;
  background: radial-gradient(circle, rgba(179, 147, 113, 0.13) 0%, rgba(253, 252, 249, 0) 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.publication-title {
  font-family: var(--font-serif);
  margin-bottom: 1.75rem !important;
  text-wrap: balance;
  animation: fadeUp 1s both 0.15s;
}

.site-nav + .hero .title.is-3 {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
  animation: fadeUp 1s both 0.15s;
}

.site-nav + .hero .subtitle { animation: fadeUp 1s both 0.3s; }

/* Authors and affiliations */
.publication-authors {
  font-family: var(--font-sans);
  color: var(--text-secondary);
  animation: fadeUp 1s both 0.3s;
}

.publication-authors.is-size-5 { font-size: 1.05rem !important; line-height: 1.8; }
.publication-authors + .publication-authors {
  font-size: 0.9rem !important;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.publication-authors a { color: var(--text-primary) !important; }

.author-block { display: inline-block; }
.author-block sup { color: var(--accent-earth); font-weight: 600; }

.eql-cntrb { font-size: 0.88rem; color: var(--text-secondary); }

.publication-venue {
  color: var(--accent-sage);
  width: fit-content;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.publication-awards {
  color: var(--accent-earth-dark);
  width: fit-content;
  font-weight: 600;
}

.dnerf { font-variant: small-caps; }

/* Resource buttons
   Bulma's dark rounded buttons become the OLA brand-tinted CTA buttons,
   picked by destination so no markup has to change. */
.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  animation: fadeUp 1s both 0.45s;
}

.link-block a { margin: 0; }

.publication-links .button,
.external-link.button {
  height: auto;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--gh-border);
  background: var(--gh-bg);
  color: var(--gh-fg);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: none;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.publication-links .button:hover,
.external-link.button:hover {
  background: var(--gh-bg-hover);
  color: var(--gh-fg);
  border-color: var(--gh-border);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(41, 40, 38, 0.10);
}

.publication-links .button:focus:not(:active),
.external-link.button:focus:not(:active) { box-shadow: 0 0 0 2px rgba(179, 147, 113, 0.35); }

.button .icon:first-child:not(:last-child) { margin-left: -0.15em; margin-right: 0.45em; }

/* Hugging Face */
.external-link.button[href*="huggingface.co"] { background: var(--hf-bg); color: var(--hf-fg); border-color: var(--hf-border); }
.external-link.button[href*="huggingface.co"]:hover { background: var(--hf-bg-hover); color: var(--hf-fg); border-color: var(--hf-border); }

/* Discord */
.external-link.button[href*="discord"] { background: var(--discord-bg); color: var(--discord-fg); border-color: var(--discord-border); }
.external-link.button[href*="discord"]:hover { background: var(--discord-bg-hover); color: var(--discord-fg); border-color: var(--discord-border); }

/* Paper (arXiv PDF / abstract, ACL Anthology) */
.external-link.button[href*="arxiv.org"],
.external-link.button[href*="aclanthology"],
.external-link.button[href$=".pdf"] { background: var(--paper-bg); color: var(--paper-fg); border-color: var(--paper-border); }
.external-link.button[href*="arxiv.org"]:hover,
.external-link.button[href*="aclanthology"]:hover,
.external-link.button[href$=".pdf"]:hover { background: var(--paper-bg-hover); color: var(--paper-fg); border-color: var(--paper-border); }

/* Project portals and everything else that is not a known brand */
.external-link.button.is-light,
.external-link.button:not([href*="github.com"]):not([href*="huggingface.co"]):not([href*="discord"]):not([href*="arxiv.org"]):not([href*="aclanthology"]):not([href$=".pdf"]) {
  background: var(--portal-bg); color: var(--portal-fg); border-color: var(--portal-border);
}
.external-link.button.is-light:hover,
.external-link.button:not([href*="github.com"]):not([href*="huggingface.co"]):not([href*="discord"]):not([href*="arxiv.org"]):not([href*="aclanthology"]):not([href$=".pdf"]):hover {
  background: var(--portal-bg-hover); color: var(--portal-fg); border-color: var(--portal-border);
}

/* Body copy */
.content { color: var(--text-secondary); font-size: 1.02rem; }
.content p, .content li { line-height: 1.75; }
.content p:not(:last-child) { margin-bottom: 1.25em; }
.content strong { color: var(--text-primary); }
.content em { color: var(--text-primary); }

.content ul { list-style: none; margin-left: 0; }
.content ul li {
  position: relative;
  padding-left: 1.4rem;
}
.content ul li + li { margin-top: 0.6em; }
.content ul li::before {
  content: '';
  position: absolute;
  left: 0.15rem;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-earth);
  opacity: 0.7;
}

.content ol li::marker { color: var(--accent-earth); font-weight: 600; }

.content blockquote {
  background: transparent;
  border-left: 3px solid var(--accent-earth);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-primary);
}

.content hr, hr {
  background-color: var(--border-color);
  height: 1px;
}

.content code, code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: #f3efe9;
  color: var(--text-primary);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* BibTeX and other code blocks */
.content pre, pre {
  position: relative;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.75rem 2rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  overflow-x: auto;
}

pre code, .content pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.bibtex-wrap { position: relative; }

.copy-button {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 1;
  background: var(--border-color);
  border: none;
  padding: 0.45rem 0.95rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
}

.copy-button:hover { background: var(--accent-earth); color: #fff; }
.copy-button.copied { background: var(--accent-sage); color: #fff; }

/* Tables
   Covers Bulma tables and the bare tables some pages style inline. */
.table-container {
  overflow-x: auto;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--surface-color);
}

.section table,
.content table,
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface-color);
  color: var(--text-primary);
  font-size: 0.88rem;
  line-height: 1.55;
  box-shadow: none;
}

.section table:not(.table-container table) {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.table-container .table { margin-bottom: 0; }

.section table th,
.section table td,
.content table th,
.content table td,
.table th,
.table td,
.table.is-bordered th,
.table.is-bordered td {
  padding: 0.75rem 1rem;
  text-align: left;
  vertical-align: top;
  border: none;
  border-bottom: 1px solid var(--border-color);
}

.table.is-narrow th,
.table.is-narrow td { padding: 0.55rem 0.9rem; }

.section table thead th,
.content table thead th,
.table thead th,
.content table thead td,
.table thead td {
  background: var(--surface-muted);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  vertical-align: bottom;
  border-bottom: 1px solid var(--border-color);
  border-width: 0 0 1px;
}

.section table tbody tr:last-child td,
.content table tbody tr:last-child td,
.table tbody tr:last-child td { border-bottom: none; }

.section table tbody tr:nth-child(even),
.content table tbody tr:nth-child(even),
.table.is-striped tbody tr:not(.is-selected):nth-child(even) { background-color: #fcfbf8; }

.section table tbody tr:hover,
.content table tbody tr:hover,
.table tbody tr:hover { background-color: rgba(179, 147, 113, 0.07); }

.section table td a,
.content table td a { color: var(--accent-earth-dark) !important; text-decoration: none; }
.section table td a:hover,
.content table td a:hover { color: var(--accent-sage) !important; text-decoration: underline; }

/* Figures */
.content figure, figure.image { margin: 2.5rem 0 1rem; }

.content figure img, figure.image img {
  display: block;
  width: 100%;
  max-width: 100% !important;
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: #fff;
}

.caption,
.content figcaption {
  margin-top: 0.75rem;
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-secondary);
  text-align: center;
}

.footnote {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.footnote sup, .content sup { color: var(--accent-earth-dark); }

/* Media */
.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: 8px !important;
  border: 1px solid var(--border-color);
}

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

.results-carousel { overflow: hidden; }
.results-carousel .item { margin: 5px; overflow: hidden; padding: 20px; font-size: 0; }
.results-carousel video { margin: 0; }
.slider-pagination .slider-page { background: var(--text-primary); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 3rem 4vw 2rem;
  margin-top: 2rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.site-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-primary);
  text-decoration: none;
}

.site-footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.site-footer-brand > span { display: flex; flex-direction: column; line-height: 1.35; }
.site-footer-brand strong { font-family: var(--font-serif); font-weight: 400; font-size: 1.2rem; }
.site-footer-brand > span > span { font-size: 0.82rem; color: var(--text-secondary); }
.site-footer-brand:hover strong { color: var(--accent-earth); }

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem;
}

.site-footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: var(--transition-smooth);
}

.site-footer-links a:hover { color: var(--accent-earth); }
.site-footer-links svg, .site-footer-links i { margin-right: 0.3rem; }

.site-footer-base {
  max-width: 1100px;
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}


[hidden] { display: none !important; }

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

/* Inline text links outside Bulma's .content blocks (landing, publications) */
p a:not([class]),
li a:not([class]) {
  color: var(--accent-earth-dark);
  text-decoration: underline;
  text-decoration-color: rgba(179, 147, 113, 0.4);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

p a:not([class]):hover,
li a:not([class]):hover {
  color: var(--accent-sage);
  text-decoration-color: var(--accent-sage);
}

/* Buttons shared with OLAResearch */
.btn-primary, .btn-secondary {
  display: inline-block;
  padding: 0.95rem 2.25rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-primary { background: var(--text-primary); color: var(--surface-color); border: 1px solid var(--text-primary); }
.btn-primary:hover { background: var(--accent-earth); border-color: var(--accent-earth); color: #fff; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(179, 147, 113, 0.25); }

.btn-secondary { border: 1px solid var(--border-color); color: var(--text-primary); background: rgba(255, 255, 255, 0.6); }
.btn-secondary:hover { border-color: var(--text-primary); background: var(--surface-color); color: var(--text-primary); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.04); }

.cta-button {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.cta-button:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(41, 40, 38, 0.10); }
.cta-github { background: var(--gh-bg); color: var(--gh-fg); border-color: var(--gh-border); }
.cta-github:hover { background: var(--gh-bg-hover); color: var(--gh-fg); }
.cta-hf { background: var(--hf-bg); color: var(--hf-fg); border-color: var(--hf-border); }
.cta-hf:hover { background: var(--hf-bg-hover); color: var(--hf-fg); }
.cta-discord { background: var(--discord-bg); color: var(--discord-fg); border-color: var(--discord-border); }
.cta-discord:hover { background: var(--discord-bg-hover); color: var(--discord-fg); }

/* Scroll reveal (only hidden once the script confirms it can reveal) */
.has-reveal .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.has-reveal .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Landing page ---------- */

.teaser {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4rem, 10vh, 7rem) 4vw 0;
}

.teaser-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.teaser-shape-earth {
  top: -25%;
  right: -12%;
  width: 62vw;
  height: 62vw;
  max-width: 980px;
  max-height: 980px;
  background: radial-gradient(circle, rgba(179, 147, 113, 0.16) 0%, rgba(253, 252, 249, 0) 68%);
  animation: drift 18s ease-in-out infinite alternate;
}

.teaser-shape-sage {
  bottom: -30%;
  left: -18%;
  width: 50vw;
  height: 50vw;
  max-width: 760px;
  max-height: 760px;
  background: radial-gradient(circle, rgba(117, 130, 115, 0.13) 0%, rgba(253, 252, 249, 0) 70%);
  animation: drift 22s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-4vw, 3vw) scale(1.08); }
}

.teaser-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}

.teaser-logo {
  width: 76px;
  height: 76px;
  border-radius: 12px;
  object-fit: cover;
  margin-bottom: 2rem;
  animation: fadeUp 1s both 0.1s;
}

.teaser-eyebrow,
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-sage);
  margin-bottom: 1.25rem;
}

.teaser-eyebrow { animation: fadeUp 1s both 0.2s; }

.teaser-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  max-width: 15ch;
  margin-bottom: 1.75rem;
  animation: fadeUp 1s both 0.3s;
}

.teaser-rotator { display: block; min-height: 1.1em; }

.teaser-word {
  display: inline-block;
  font-style: italic;
  background: linear-gradient(100deg, var(--accent-earth-dark) 0%, var(--accent-earth) 45%, var(--accent-sage) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 0.08em;
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.teaser-word.is-leaving { opacity: 0; transform: translateY(-0.25em); filter: blur(4px); }

.teaser-lede {
  max-width: 600px;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--text-secondary);
  animation: fadeUp 1s both 0.45s;
}

.teaser-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
  animation: fadeUp 1s both 0.6s;
}

.teaser-social {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
  animation: fadeUp 1s both 0.75s;
}

.teaser-social-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-right: 0.5rem;
}

/* "Language" in many languages, drifting past */
.lang-marquee {
  position: relative;
  z-index: 1;
  margin: clamp(3rem, 8vh, 5rem) -4vw 0;
  padding: 1.5rem 0 2rem;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  animation: fadeUp 1.2s both 0.9s;
}

.lang-track {
  display: flex;
  width: max-content;
  gap: 2.75rem;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  color: var(--text-primary);
  opacity: 0.22;
  white-space: nowrap;
  animation: marquee 90s linear infinite;
}

.lang-track + .lang-track { margin-top: 0.6rem; opacity: 0.14; }
.lang-track-reverse { animation-direction: reverse; animation-duration: 110s; }
.lang-track span { transition: opacity 0.3s, color 0.3s; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Headline figures */
.figures {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-color);
}

.figures-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.figure-item {
  padding: 2.75rem 1.75rem;
  text-align: center;
  border-left: 1px solid var(--border-color);
}

.figure-item:first-child { border-left: none; }

.figure-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent-earth);
  margin-bottom: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.figure-lab {
  display: block;
  max-width: 220px;
  margin: 0 auto;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.has-reveal .figure-item.reveal:nth-child(2) { transition-delay: 0.08s; }
.has-reveal .figure-item.reveal:nth-child(3) { transition-delay: 0.16s; }
.has-reveal .figure-item.reveal:nth-child(4) { transition-delay: 0.24s; }

/* Landing sections */
.landing-section { padding: clamp(5rem, 9vw, 8rem) 4vw; }
.landing-section > .container { max-width: 1100px; }
.landing-section .title.is-2 { max-width: 22ch; margin-bottom: 1.5rem; }
.surface-band { background: var(--surface-color); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }

.editorial-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 6vw;
  align-items: center;
}

.editorial-text p:not(.section-eyebrow) {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.75;
}

/* Orbiting languages around the logo */
.editorial-visual { display: flex; justify-content: center; }

.globe {
  --r: min(36vw, 200px);
  position: relative;
  width: calc(var(--r) * 2 + 80px);
  aspect-ratio: 1;
  max-width: 100%;
}

.globe-ring {
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  border: 1px dashed rgba(179, 147, 113, 0.45);
  animation: spin 60s linear infinite;
}

.globe-ring-2 { inset: 80px; border-style: solid; border-color: var(--border-color); animation: none; }
.globe-ring-3 { inset: 120px; border-color: rgba(117, 130, 115, 0.4); animation-duration: 40s; animation-direction: reverse; }

@keyframes spin { to { transform: rotate(360deg); } }

.globe-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 34%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
  box-shadow: 0 0 0 10px rgba(179, 147, 113, 0.07), 0 20px 40px rgba(41, 40, 38, 0.10);
}

.globe-tag {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(var(--a)) translateY(calc(-1 * var(--r))) rotate(calc(-1 * var(--a)));
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(41, 40, 38, 0.05);
  animation: bob 5s ease-in-out infinite;
}

.globe-tag:nth-of-type(2n) { animation-delay: -1.6s; color: var(--accent-earth-dark); }
.globe-tag:nth-of-type(3n) { animation-delay: -3.1s; color: var(--portal-fg); }

@keyframes bob {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -7px; }
}

/* Research pillars */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.pillar {
  position: relative;
  padding: 2.25rem 1.75rem;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.pillar:hover { transform: translateY(-6px); border-color: var(--accent-earth); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03); }
.has-reveal .pillar.reveal:nth-child(2) { transition-delay: 0.08s; }
.has-reveal .pillar.reveal:nth-child(3) { transition-delay: 0.16s; }
.has-reveal .pillar.reveal:nth-child(4) { transition-delay: 0.24s; }

.pillar-icon { font-size: 1.75rem; display: block; margin-bottom: 1.25rem; }

.pillar-step {
  position: absolute;
  top: 1.75rem;
  right: 1.75rem;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent-earth);
  opacity: 0.6;
}

.pillar h3 { font-size: 1.35rem; line-height: 1.25; margin-bottom: 0.75rem; }
.pillar p { font-size: 0.93rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 1.25rem; }
.pillar ul { list-style: none; margin: 0; padding: 1rem 0 0; border-top: 1px solid var(--border-color); }
.pillar li { font-size: 0.9rem; padding: 0.2rem 0; }
.pillar li::before { content: '\2192'; color: var(--accent-earth); margin-right: 0.5rem; }

/* Project cards (OLA research cards) */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.research-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2.25rem;
  transition: var(--transition-smooth);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
}

.research-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent-earth);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.research-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04); }
.has-reveal .research-card.reveal.is-visible:hover { transform: translateY(-8px); }
.research-card:hover::before { transform: scaleX(1); }

.research-card .tag {
  display: block;
  height: auto;
  padding: 0;
  background: none;
  border-radius: 0;
  justify-content: flex-start;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-sage);
  margin-bottom: 1.25rem;
  font-weight: 600;
  white-space: normal;
}

.research-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.9rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.research-card p {
  color: var(--text-secondary);
  flex-grow: 1;
  font-size: 0.95rem;
  line-height: 1.55;
}

.card-arrow {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: var(--transition-smooth);
}

.research-card:hover .card-arrow { gap: 1.1rem; color: var(--accent-earth); }

.more-cta { text-align: center; margin-top: 4rem; }
.more-card { display: inline-flex; max-width: 460px; height: auto; padding: 2rem 3.5rem; text-align: left; }
.more-card .card-arrow { margin-top: 1.25rem; }

/* Updates timeline */
.timeline {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  max-width: 860px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 5.6rem;
  width: 1px;
  background: var(--border-color);
}

.timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 5.6rem 1fr;
  gap: 2rem;
  padding: 0.9rem 0;
}

.timeline li::before {
  content: '';
  position: absolute;
  left: calc(5.6rem - 4px);
  top: 1.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--surface-color);
  border: 2px solid var(--accent-earth);
  transition: var(--transition-smooth);
}

.timeline li:first-child::before { background: var(--accent-earth); box-shadow: 0 0 0 5px rgba(179, 147, 113, 0.18); }
.timeline li:hover::before { background: var(--accent-earth); }

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-earth-dark);
  padding-top: 0.2rem;
  letter-spacing: 0.02em;
}

.timeline p { margin: 0; color: var(--text-secondary); line-height: 1.65; }

/* Community band */
.join-band {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: clamp(2.5rem, 6vw, 4.5rem);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at 100% 0%, rgba(179, 147, 113, 0.16), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(117, 130, 115, 0.12), transparent 50%),
    var(--surface-color);
}

.join-band .title.is-2 { margin-bottom: 1rem; }
.join-band p { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; max-width: 520px; }
.join-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem; justify-self: end; }

/* ---------- Publications page ---------- */

.pubs-hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: clamp(4rem, 9vw, 7rem) 4vw 1.5rem;
}

.pubs-hero > * { position: relative; z-index: 1; }
.pubs-hero > .teaser-shape { position: absolute; z-index: 0; }
.pubs-hero .title.is-1 { margin-bottom: 1.25rem; animation: fadeUp 1s both 0.1s; }
.pubs-hero .subtitle { max-width: 620px; margin: 0 auto; line-height: 1.6; animation: fadeUp 1s both 0.25s; }
.pubs-hero .section-eyebrow { animation: fadeUp 1s both 0s; }

.pubs-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 1rem 4vw 6rem;
}

.search-container {
  max-width: 600px;
  margin: 2rem auto;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1.25rem 0.85rem 2.9rem;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  background-color: var(--surface-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.01);
}

.search-input:focus { border-color: var(--accent-earth); box-shadow: 0 10px 20px rgba(179, 147, 113, 0.08); }

.search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

.filters-container {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.filter-pill {
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-secondary);
  border-radius: 20px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.filter-pill:hover { border-color: var(--accent-earth); color: var(--accent-earth); }
.filter-pill.active { background-color: var(--accent-earth); border-color: var(--accent-earth); color: #fff; }

.pubs-empty { text-align: center; color: var(--text-secondary); font-style: italic; }

.year-group { margin-bottom: 4rem; }

.year-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.pub-item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.pub-item:last-child { border-bottom: none; }
.pub-content { flex: 1 1 500px; }

.pub-topic {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-sage);
  border: 1px solid var(--border-color);
  background: rgba(117, 130, 115, 0.05);
  border-radius: 100px;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.75rem;
}

.pub-title {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.pub-aka { font-size: 0.85rem; color: var(--text-secondary); font-style: italic; margin-bottom: 0.4rem; }
.pub-authors { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.5; margin-bottom: 0.35rem; }
.pub-authors strong { color: var(--text-primary); font-weight: 600; }
.pub-venue { font-size: 0.9rem; color: var(--accent-sage); font-style: italic; }

.pub-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-shrink: 0;
  width: 120px;
  margin-top: 0.25rem;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.38rem 0.85rem;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
  width: 100%;
}

.action-btn:hover { border-color: var(--accent-earth); color: var(--accent-earth); background-color: rgba(179, 147, 113, 0.04); }
.bibtex-toggle-btn.active { background-color: var(--accent-earth); color: #fff; border-color: var(--accent-earth); }

.bibtex-box {
  flex: 1 1 100%;
  position: relative;
  background-color: var(--surface-muted);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  animation: fadeIn 0.4s ease;
}

.bibtex-pre {
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .figures-grid { grid-template-columns: repeat(2, 1fr); }
  .figure-item:nth-child(3) { border-left: none; }
  .figure-item:nth-child(n+3) { border-top: 1px solid var(--border-color); }
}

@media (max-width: 860px) {
  .site-nav-burger { display: flex; }
  .site-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem 1.25rem 1.75rem;
    background: rgba(253, 252, 249, 0.98);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.05);
  }
  .site-nav.is-open .site-nav-menu { display: flex; }
  .site-nav-sep { width: 100%; height: 1px; }
  .site-nav-icon { font-size: 0.9rem; gap: 0.6rem; opacity: 1; }
  .site-nav-icon .nav-label {
    display: inline;
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .editorial-grid { grid-template-columns: 1fr; gap: 3rem; }
  .join-band { grid-template-columns: 1fr; gap: 2rem; }
  .join-actions { justify-self: start; flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .site-nav { padding: 0.7rem 1rem; }
  .section { padding: 3rem 1rem; }
  .landing-section { padding: 4rem 1rem; }
  .teaser { padding: 3.5rem 1rem 0; min-height: auto; }
  .lang-marquee { margin-left: -1rem; margin-right: -1rem; }
  .teaser-actions .btn-primary, .teaser-actions .btn-secondary { flex: 1 1 auto; text-align: center; }
  .content pre, pre { padding: 1.25rem; font-size: 0.75rem; }
  .copy-button { top: 0.5rem; right: 0.5rem; padding: 0.3rem 0.6rem; font-size: 0.65rem; }
  .research-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .research-card { padding: 2rem 1.5rem; }
  .more-card { padding: 1.75rem 1.5rem; }
  .timeline::before { left: 0.25rem; }
  .timeline li { grid-template-columns: 1fr; gap: 0.25rem; padding-left: 1.75rem; }
  .timeline li::before { left: -0.05rem; top: 1.2rem; }
  .site-footer-inner { flex-direction: column; align-items: flex-start; }
  .pubs-main { padding: 0 1rem 4rem; }
}

@media (max-width: 600px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .figures-grid { grid-template-columns: 1fr 1fr; }
  .figure-item { padding: 2rem 1rem; }
  .globe { --r: 38vw; width: calc(var(--r) * 2 + 40px); }
  .globe-ring { inset: 20px; }
  .globe-ring-2 { inset: 50px; }
  .globe-ring-3 { inset: 80px; }
  .globe-tag { font-size: 0.75rem; padding: 0.25rem 0.6rem; }
  .pub-item { flex-direction: column; align-items: stretch; gap: 0.9rem; }
  .pub-actions { flex-direction: row; flex-wrap: wrap; width: 100%; }
  .pub-actions .action-btn { width: auto; }
}

.has-reveal .pillar.reveal.is-visible:hover { transform: translateY(-6px); }
.join-actions .cta-button { min-width: 190px; justify-content: center; }
.surface-band .research-card { background: var(--bg-color); }

.landing-section:not(.surface-band) .pillar { background: var(--surface-color); }

/* ---------- AIMH additions ---------- */

/* Navigation logo */
.site-nav-brand { gap: 0.75rem; }
.site-nav-logo { width: 38px; height: 38px; }

/* Omni Language AI Research: navy and gold, taken from the OLA logo */
.cta-ola { background: #eef0f5; color: #13243f; border-color: #d3d8e3; }
.cta-ola:hover { background: #e3e7ef; color: #13243f; }
.cta-logo { width: 18px; height: 18px; object-fit: contain; margin-right: 0.5rem; border-radius: 3px; }

/* Room for the longer phrases the teaser cycles through */
.teaser-title { max-width: 20ch; }

/* Research topics drifting past the teaser */
.topic-track { font-size: clamp(1.2rem, 2.2vw, 1.75rem); }

/* Events and projects: cards that are not links */
div.research-card { cursor: default; }
.research-card .card-actions { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-top: 2rem; }
.research-card .card-actions .card-arrow { margin-top: 0; text-decoration: none; }
.research-card .card-actions .card-arrow:hover { gap: 1.1rem; color: var(--accent-earth); }

/* Contributors */
.people-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.person-card {
  display: block;
  padding: 1.5rem 1.6rem;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.person-card:hover { transform: translateY(-4px); border-color: var(--accent-earth); box-shadow: 0 14px 28px rgba(0, 0, 0, 0.03); }
.has-reveal .person-card.reveal.is-visible:hover { transform: translateY(-4px); }
.person-name { display: block; font-family: var(--font-serif); font-size: 1.25rem; color: var(--text-primary); margin-bottom: 0.3rem; }
.person-card:hover .person-name { color: var(--accent-earth-dark); }
.person-affil { display: block; font-size: 0.88rem; line-height: 1.5; color: var(--text-secondary); }
.people-note { margin-top: 1.5rem; font-size: 0.82rem; color: var(--text-secondary); }

.institutions { max-width: 760px; color: var(--text-secondary); font-size: 1.05rem; line-height: 1.75; }

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

@media (max-width: 860px) {
  .people-grid { grid-template-columns: repeat(2, 1fr); }
}

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

@media (max-width: 560px) {
  .people-grid { grid-template-columns: 1fr; }
}