/* ================================================================
   TRUE-AI Lab — Main Stylesheet
   Logo colors: primary #2d5f89, dark #1a3d5c, green #3aaa78
   ================================================================ */

:root {
  --primary:       #2d5f89;
  --primary-dark:  #1a3d5c;
  --primary-light: #eaf1f8;
  --green:         #3aaa78;
  --gray-blue:     #6b7a8d;

  --text:          #1c2331;
  --text-sec:      #4a5568;
  --text-muted:    #8896a7;
  --border:        #dde4ed;
  --bg-light:      #f5f8fb;

  /* dark surfaces (nav, footer) */
  --dark-bg:       #0f1e2e;
  --dark-text:     rgba(255,255,255,0.88);
  --dark-muted:    rgba(255,255,255,0.5);
  --dark-border:   rgba(255,255,255,0.1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: #fff;
  margin: 0;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); text-decoration: underline; }

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary-dark);
  margin-top: 0;
}

p { margin-top: 0; }
img { max-width: 100%; }

/* ================================================================
   LAYOUT
   ================================================================ */

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { padding-bottom: 1rem; }

/* ================================================================
   NAV  — dark background
   ================================================================ */

.site-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.nav-brand img {
  height: 28px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--gray-blue);
  padding: 0.3rem 0.65rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
  background: var(--primary-light);
  text-decoration: none;
}
.nav-menu a.nav-disabled {
  color: var(--text-muted);
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Hamburger button — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 4px;
  transition: background 0.15s;
}

.nav-toggle:hover { background: var(--bg-light); }

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-blue);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* Animate to X when open */
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile: show hamburger, hide menu by default */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-menu {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
    padding: 0.4rem 1.5rem 0.6rem;
  }

  .nav-menu.open { display: flex; }

  .nav-menu li { width: 100%; }

  .nav-menu a {
    padding: 0.55rem 0.25rem;
    border-radius: 0;
    border-bottom: none;
    text-align: left;
    width: 100%;
    display: block;
  }

  .site-nav { position: sticky; }
}

@media (max-width: 720px) { .nav-menu { display: none; } }

/* ================================================================
   PAGE HEADER
   ================================================================ */

.page-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.page-header h1 { font-size: 1.5rem; margin-bottom: 0.2rem; }
.page-header p  { font-size: 0.9rem; color: var(--text-sec); margin: 0; }

/* Section heading (all-caps label + underline) */
.sec-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary-dark);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
  margin-top: 2.5rem;
}

/* ================================================================
   HOME — lab intro  (left: hero photo | right: description)
   ================================================================ */

.lab-intro {
  display: grid;
  grid-template-columns: 6fr 4fr;
  gap: 2.5rem;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

@media (max-width: 820px) {
  .lab-intro { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ── Hero image / slideshow ─────────────────────── */
.lab-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 14 / 9;
  border-radius: 10px;
  overflow: hidden;
  background: var(--primary-light);
  flex-shrink: 0;
}

.lab-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
}
.lab-hero-slide.active { opacity: 1; }

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

/* Bottom gradient overlay + caption */
.lab-hero-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2rem 1rem 0.85rem;
  background: linear-gradient(transparent, rgba(10,20,40,0.72));
  color: #fff;
  font-size: 0.8rem;
  line-height: 1.45;
  font-weight: 500;
}

/* Placeholder when no images */
.lab-hero-empty {
  display: flex;
  align-items: flex-end;
  background: linear-gradient(160deg, var(--primary-light) 0%, #c8d9ee 100%);
}

/* Dot indicators */
.lab-hero-dots {
  position: absolute;
  bottom: 0.55rem;
  right: 0.75rem;
  display: flex;
  gap: 0.3rem;
  z-index: 2;
}
.lab-hero-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: background 0.2s;
}
.lab-hero-dot.active { background: #fff; }

/* ── Lab description (right column) ─────────────── */
.lab-content h1 {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.lab-affil {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.lab-desc {
  font-size: 0.9rem;
  color: var(--text-sec);
  margin-bottom: 0.65rem;
  line-height: 1.7;
}

/* Research pillars */
.lab-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.5rem;
  margin: 0.9rem 0 0.85rem;
}
@media (max-width: 560px) { .lab-pillars { grid-template-columns: 1fr; } }

.lab-pillar {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}
.lab-pillar-icon { font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }
.lab-pillar strong {
  display: block;
  font-size: 0.83rem;
  color: var(--primary-dark);
  margin-bottom: 0.05rem;
}
.lab-pillar span {
  font-size: 0.78rem;
  color: var(--text-sec);
  line-height: 1.45;
}

.lab-goal {
  font-size: 0.875rem;
  color: var(--text-sec);
  font-style: italic;
  margin-bottom: 1rem;
}

.lab-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.lab-links a {
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: color 0.15s;
  text-decoration: none;
}
.lab-links a:hover { color: var(--primary); }

/* ================================================================
   HOME — recent papers
   ================================================================ */

/* overflow-x scroll + auto-scroll via JS requestAnimationFrame */
.recent-papers {
  overflow-x: scroll;
  overflow-y: hidden;
  cursor: grab;
  margin-bottom: 0.5rem;
  /* hide scrollbar */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.recent-papers::-webkit-scrollbar { display: none; }
.recent-papers.is-dragging { cursor: grabbing; }

.recent-papers-track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
}

.recent-paper {
  flex: 0 0 280px;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

/* Portrait thumbnail (like a paper page) */
.recent-paper-thumb {
  width: 90px;
  flex-shrink: 0;
  aspect-ratio: 3 / 4;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.recent-paper-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  border-radius: 3px;
  display: block;
}

/* TBD placeholder — mirrors pub-thumb-placeholder */
.rp-thumb-tbd {
  width: 100%;
  height: 100%;
  border: 1.5px dashed var(--border);
  border-radius: 3px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rp-thumb-tbd::after {
  content: "TBD";
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  opacity: 0.6;
}
/* Award diagonal ribbon */
.rp-award-ribbon {
  position: absolute;
  top: 8px; left: -18px;
  width: 64px;
  background: #c53030;
  color: #fff;
  font-size: 0.55rem;
  font-weight: 700;
  text-align: center;
  padding: 0.15rem 0;
  transform: rotate(-45deg);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Metadata column */
.recent-paper-meta { flex: 1; min-width: 0; }

.recent-paper-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 0.3rem;
  /* clamp to 3 lines */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recent-paper-title a {
  color: var(--primary);
  text-decoration: none;
}
.recent-paper-title a:hover { text-decoration: underline; }

.recent-paper-venue {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 0.2rem;
}
.rp-status {
  font-style: italic;
  font-weight: 400;
  color: var(--text-muted);
}
.rp-award-text {
  color: #c53030;
  font-weight: 600;
}

.recent-paper-authors {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0.4rem;
}

/* Link buttons */
.recent-paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.rp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.22em 0.7em;
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--primary-dark);
  background: #fff;
  text-decoration: none;
  transition: background 0.12s, border-color 0.12s;
  white-space: nowrap;
}
.rp-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary-dark);
  text-decoration: none;
}
.rp-btn i { font-size: 0.68rem; }

/* ================================================================
   HOME — recent talks
   ================================================================ */

/* ── Talks & Presentations card grid ────────────────────────── */
.talks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 0.75rem;
}
@media (max-width: 780px) { .talks-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .talks-grid { grid-template-columns: 1fr; } }

.talk-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.talk-card:hover {
  box-shadow: 0 4px 14px rgba(26,61,92,0.1);
  border-color: #ccd7e5;
}

/* Thumbnail */
.talk-thumb-link {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #111;
  text-decoration: none;
}
.talk-thumb-link img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s;
}
.talk-card:hover .talk-thumb-link img { opacity: 0.88; }

.talk-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 2.5rem;
  opacity: 0.5;
}

/* Platform badges (YouTube / SlidesLive) */
.talk-badge {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background: rgba(0,0,0,0.72);
  color: #fff;
  border-radius: 5px;
  padding: 0.15rem 0.45rem;
  font-size: 0.72rem;
  line-height: 1.4;
  font-weight: 500;
}
.talk-badge-yt  { background: rgba(180,0,0,0.82); }
.talk-badge-sl  { background: rgba(30,60,120,0.82); letter-spacing: 0.01em; }

/* Card info */
.talk-info {
  padding: 0.75rem 0.9rem 0.8rem;
}
.talk-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 0.45rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.talk-card-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.45rem;
  line-height: 1.4;
}
.talk-card-speaker { font-weight: 600; color: var(--text-sec); }
.talk-card-event   { font-style: italic; }

.talk-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.4rem;
}
.talk-card-date {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ================================================================
   HOME — sponsors
   ================================================================ */

.sponsors-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2.0rem 2.0rem;
  padding: 0.5rem 0 0.5rem;
}

.sponsor-item {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.sponsor-item:hover { text-decoration: none; }

.sponsor-item img {
  height: 80px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  display: block;
}

.sponsor-item span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sec);
}

/* ================================================================
   PUBLICATIONS
   Left: sticky year sidebar | Right: papers grouped by year
   ================================================================ */

/* Outer two-column layout */
.pubs-layout {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0 2.5rem;
  align-items: start;
}

/* Sticky year sidebar */
.pubs-sidebar {
  position: sticky;
  top: 68px;
  align-self: start;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  scrollbar-width: none;
}
.pubs-sidebar::-webkit-scrollbar { display: none; }

.year-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  border-right: 2px solid var(--border);
}

.year-nav li { margin: 0; }

.year-nav-link {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: right;
  padding: 0.28rem 0.8rem 0.28rem 0;
  text-decoration: none;
  transition: color 0.15s;
  line-height: 1.4;
  cursor: pointer;
}

.year-nav-link:hover { color: var(--primary); text-decoration: none; }
.year-nav-link.active { color: var(--primary); }

/* Right: publication sections */
.pubs-main { min-width: 0; }

.pub-section { padding-top: 1.5rem; }

.pub-section-year {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary-dark);
  padding-bottom: 0.35rem;
  margin-bottom: 0;
}

/* Each paper entry: thumb (left) + metadata (right) */
.pub-entry {
  display: flex;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.pub-entry:last-child { border-bottom: none; }

@media (max-width: 640px) {
  /* Stack layout: sidebar on top (sticky bar), papers below */
  .pubs-layout {
    grid-template-columns: 1fr;
  }

  /* Year bar: sticky horizontal pills at top */
  .pubs-sidebar {
    position: sticky;
    top: var(--nav-height, 54px); /* set precisely by JS; fallback 54px */
    z-index: 50;
    background: #fff;
    /* extend white BG upward to cover any gap between nav and sidebar */
    box-shadow: 0 -14px 0 14px #fff, 0 1px 0 0 var(--border);
    padding: 0.5rem 0 0.4rem;
    margin: 0 -1.5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    max-height: none;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .pubs-sidebar::-webkit-scrollbar { display: none; }

  .year-nav {
    display: flex;
    flex-wrap: nowrap;    /* single row, scroll horizontally */
    gap: 0.3rem;
    border-right: none;
    padding-bottom: 0;
    width: max-content;
  }

  .year-nav-link {
    padding: 0.22rem 0.55rem;
    border: 1.5px solid var(--border);
    border-radius: 20px;
    font-size: 0.75rem;
    text-align: center;
    white-space: nowrap;
  }

  .year-nav-link.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
  }

  /* Keep pub entry side-by-side (smaller thumb) */
  .pub-entry {
    flex-direction: row;
    gap: 0.85rem;
  }

  .pub-thumb { width: 80px; }
  .pub-thumb img { width: 80px; height: 108px; }
  .pub-thumb-placeholder { width: 80px; height: 108px; }
}

/* Thumbnail — portrait (paper first-page ratio ≈ 3:4) */
.pub-thumb {
  flex-shrink: 0;
  width: 112px;
  position: relative;
}

.pub-thumb img {
  width: 112px;
  height: 152px;
  object-fit: cover;
  object-position: left top;
  border-radius: 3px;
  border: 1px solid var(--border);
  display: block;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.pub-thumb-placeholder {
  width: 112px;
  height: 152px;
  border-radius: 3px;
  border: 1.5px dashed var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pub-thumb-placeholder::after {
  content: "TBD";
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  opacity: 0.6;
}

/* Award badge */
.pub-thumb .pub-thumb-award {
  position: absolute;
  bottom: 0.3rem;
  left: 0;
  right: 0;
  text-align: center;
  background: rgba(245,158,11,0.92);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 700;
  padding: 0.12rem 0.25rem;
  letter-spacing: 0.03em;
}

/* Metadata */
.pub-meta { flex: 1; min-width: 0; }

.pub-title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--primary-dark);
  margin-bottom: 0.2rem;
}

.pub-title a { color: var(--primary-dark); }
.pub-title a:hover { color: var(--primary); text-decoration: none; }

/* Lab member underline */
.pub-authors {
  font-size: 0.82rem;
  color: var(--text-sec);
  margin-bottom: 0.1rem;
  line-height: 1.5;
}

.pub-authors u { text-decoration: underline; text-underline-offset: 2px; }

/* Venue + type badge */
.pub-venue {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* Type badge */
.pub-type {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  flex-shrink: 0;
}

.pub-type-conf     { background: #dcfce7; color: #166534; }
.pub-type-journal  { background: #dbeafe; color: #1e40af; }
.pub-type-workshop { background: #e0f2fe; color: #0369a1; }
.pub-type-preprint { background: #fef9c3; color: #854d0e; }

.pub-award-inline {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.08rem 0.38rem;
  border-radius: 3px;
  vertical-align: middle;
}

/* Bracket-style links: [PDF] [arXiv] [Code] [Cite] [Project] */
.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.pub-links .pl::before { content: "["; }
.pub-links .pl::after  { content: "]"; }

.pub-links .pl a,
.pub-links .pl button {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
}

.pub-links .pl a:hover,
.pub-links .pl button:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.pub-links .pl button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: inherit;
  font-weight: 500;
  font-family: inherit;
}

.pub-links .pl + .pl { margin-left: 0.25rem; }

/* ================================================================
   CITE MODAL
   ================================================================ */

.cite-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.cite-overlay[hidden] { display: none; }

.cite-box {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
}

.cite-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.cite-header strong { font-size: 1rem; color: var(--primary-dark); }

.cite-close-btn {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  transition: background 0.15s;
}

.cite-close-btn:hover { background: var(--bg-light); }

.cite-tabs {
  display: flex;
  gap: 0.4rem;
  padding: 0.85rem 1.25rem 0;
}

.cite-tab-btn {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 0.9rem;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--text-sec);
  cursor: pointer;
  transition: all 0.15s;
}

.cite-tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.cite-panel {
  margin: 0.75rem 1.25rem;
  background: var(--bg-light);
  border-radius: 6px;
  padding: 1rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-sec);
  min-height: 90px;
}

.cite-panel pre {
  margin: 0;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-sec);
}

.cite-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem 1rem;
}

.cite-action-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  border: 1.5px solid var(--border);
  background: #fff;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.15s;
}

.cite-action-btn:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

/* ================================================================
   PEOPLE — square card grid
   ================================================================ */

/* PI block */
.pi-block {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
}

.pi-photo {
  width: 130px;
  height: 130px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-light);
  border: 1px solid var(--border);
}

.pi-avatar {
  width: 130px;
  height: 130px;
  border-radius: 6px;
  background: var(--primary-light);
  border: 1.5px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.pi-info h2 { font-size: 1.2rem; margin-bottom: 0.1rem; }
.pi-title   { font-size: 0.875rem; color: var(--text-sec); margin-bottom: 0; }
.pi-dept    { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.6rem; }
.pi-bio     { font-size: 0.875rem; color: var(--text-sec); margin-bottom: 0.75rem; }

.pi-links { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.pi-links a { font-size: 1.1rem; color: var(--text-muted); transition: color 0.15s; text-decoration: none; }
.pi-links a:hover { color: var(--primary); }

.cv-link {
  font-size: 0.7rem !important;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted) !important;
  border: 1px solid var(--border);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.cv-link:hover {
  color: var(--primary) !important;
  border-color: var(--primary);
}

/* People sections */
.people-group { margin-top: 2rem; }

.people-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
  margin-bottom: 1.25rem;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem 1.25rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 900px) { .people-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .people-grid { grid-template-columns: repeat(3, 1fr); } }

.person-card { text-align: center; }

/* Circular photo — fills grid cell */
.person-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: top center;
  display: block;
  border-radius: 50%;
  background: var(--bg-light);
  margin-bottom: 0.65rem;
  transition: opacity 0.2s;
}

.person-card:hover .person-photo { opacity: 0.85; }

.person-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--primary-light);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.65rem;
}

.person-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.3;
  margin-bottom: 0.15rem;
}

.person-name a { color: var(--primary-dark); text-decoration: none; }
.person-name a:hover { color: var(--primary); text-decoration: underline; }

.person-role {
  font-size: 0.78rem;
  color: var(--text-sec);
  line-height: 1.5;
}

.person-dept {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Alumni */
.alumni-section { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.alumni-section h3 { font-size: 1rem; margin-bottom: 1rem; }

.alumni-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
  margin-bottom: 0.6rem;
}

/* Legacy alumni list (keep for compatibility) */
.alumni-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.alumni-list li {
  display: flex; align-items: baseline; gap: 0.65rem;
  padding: 0.3rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.84rem; flex-wrap: wrap;
}
.alumni-list li:last-child { border-bottom: none; }
.alumni-year { min-width: 40px; font-size: 0.76rem; color: var(--text-muted); flex-shrink: 0; }
.alumni-degree { color: var(--text-muted); font-size: 0.76rem; flex-shrink: 0; }
.alumni-arrow { color: var(--green); }

/* ── Two-column member list ─────── */
.member-section { 
  margin-top: 0rem; 
}

.member-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 0.6rem;
}

.member-section-header {
  padding: 2rem 0 1.5rem;
}

.member-section-header h1 { font-size: 1.5rem; margin-bottom: 0.2rem; }
.member-section-header p  { font-size: 0.9rem; color: var(--text-sec); margin: 0; }

/* Subsection label (e.g., "Graduate Students", "Undergrads") */
.member-subsection-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-sec);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

/* Two-column grid list */
.member-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 3rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

@media (max-width: 640px) {
  .member-two-col { grid-template-columns: 1fr; }
}

.member-two-col li {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text-sec);
}

.member-two-col li strong {
  color: var(--primary-dark);
  font-weight: 700;
}

.member-two-col li a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 700;
}

.member-two-col li a:hover { color: var(--primary); text-decoration: underline; }

/* ================================================================
   RESEARCH
   ================================================================ */

.research-item {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}

.research-item:last-child { border-bottom: none; }
.research-item h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.research-item p { font-size: 0.9rem; color: var(--text-sec); margin-bottom: 0.6rem; }

.research-papers { list-style: none; padding: 0; margin: 0; }

.research-papers li {
  font-size: 0.84rem;
  color: var(--text-sec);
  padding: 0.15rem 0;
}

.research-papers li::before { content: "— "; color: var(--text-muted); }

/* ================================================================
   CLASSES
   ================================================================ */

/* 4-card grid */
.courses-grid {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

/* Each row of 4 cards: subgrid shares row heights across cards */
.courses-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  /* img | badge | number | title | offerings | meta(grows) */
  grid-template-rows: auto auto auto auto auto 1fr;
  column-gap: 1.5rem;
}

.course-card {
  grid-row: span 6;
  display: grid;
  grid-template-rows: subgrid;
}

/* Tablet: 2 columns, drop subgrid (row gap would leak into card internals) */
@media (max-width: 900px) {
  .courses-row {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
    row-gap: 2.5rem;
  }
  .course-card {
    grid-row: span 1;
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 500px) {
  .courses-row { grid-template-columns: 1fr; }
}

.course-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  margin-bottom: 0.85rem;
  background: var(--bg-light);
}

.course-card-number {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.1;
  margin-bottom: 0.15rem;
}

.course-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.3;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.6rem;
}

.course-card-meta {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text-sec);
  line-height: 1.65;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

.course-card-meta p { margin-bottom: 0.3rem; }

.course-card-offerings {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.course-card-offerings strong {
  color: var(--text-sec);
  font-weight: 600;
}

.course-card-offerings a {
  color: var(--text-muted);
  text-decoration: none;
}

.course-card-offerings a:hover { color: var(--primary); text-decoration: underline; }

/* Current offering highlight */
.course-offering-current {
  color: var(--primary) !important;
  font-weight: 700;
}

.course-offering-current::before {
  content: "● ";
  font-size: 0.5rem;
  vertical-align: middle;
}

/* Level badge */
.course-level-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-bottom: 0.35rem;
}

.course-level-badge.grad {
  background: #dbeafe;
  color: #1e40af;
}

.course-level-badge.ugrad {
  background: #dcfce7;
  color: #166534;
}

/* Related Courses section */
.related-courses {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  margin-top: 1rem;
}

.related-courses h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.related-courses-desc {
  font-size: 0.9rem;
  color: var(--text-sec);
  margin-bottom: 1.5rem;
}

.related-courses-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 3rem;
}

@media (max-width: 640px) {
  .related-courses-cols { grid-template-columns: 1fr; }
}

.related-courses-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-courses-list li {
  font-size: 0.875rem;
  color: var(--text-sec);
  padding: 0.3rem 0;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}

.related-courses-list li:last-child { border-bottom: none; }

.rc-number {
  font-weight: 700;
  color: var(--primary-dark);
  flex-shrink: 0;
  min-width: 60px;
}

.rc-title { color: var(--text-sec); flex: 1; }

.rc-tags {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  margin-left: auto;
  flex-shrink: 0;
}

.rc-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  white-space: nowrap;
}

.rc-tag.ugrad  { background: #dcfce7; color: #166534; }
.rc-tag.grad   { background: #dbeafe; color: #1e40af; }
.rc-tag.ai,
.rc-tag.aiml   { background: #ede9fe; color: #5b21b6; }
.rc-tag.security { background: #fee2e2; color: #991b1b; }
.rc-tag.systems  { background: #f1f5f9; color: #475569; }

.rc-tags { align-items: center; }

.related-courses-list a {
  color: var(--text-sec);
  text-decoration: none;
}

.related-courses-list a:hover { color: var(--primary); text-decoration: underline; }

/* ── Course photo gallery ───────────────────────────────── */
.course-gallery {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  margin-top: 2.5rem;
}

.course-gallery h2 {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.course-gallery-desc {
  font-size: 0.9rem;
  color: var(--text-sec);
  margin-bottom: 1.5rem;
}

.course-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 700px) {
  .course-gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 440px) {
  .course-gallery-grid { grid-template-columns: 1fr; }
}

.course-photo {
  aspect-ratio: 4/3;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.course-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}

.course-photo:hover img { transform: scale(1.03); }

.course-photo-caption {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.55));
  color: #fff;
  font-size: 0.78rem;
  padding: 1.5rem 0.75rem 0.6rem;
}

/* Empty placeholder when no photos yet */
.course-photo-placeholder {
  aspect-ratio: 4/3;
  border-radius: 4px;
  border: 2px dashed var(--border);
  background: var(--bg-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.course-photo-placeholder i {
  font-size: 1.75rem;
  opacity: 0.4;
}

/* ── (legacy course-block, kept for compatibility) ─────── */
.course-block { padding: 1.5rem 0; border-bottom: 1px solid var(--border); }
.course-block:last-child { border-bottom: none; }

.course-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.3rem;
}

.course-title  { font-size: 1rem; font-weight: 700; margin: 0; color: var(--primary-dark); }
.course-number { font-size: 0.78rem; font-weight: 600; color: var(--primary); font-family: monospace; }
.course-level  {
  font-size: 0.72rem; color: var(--text-muted);
  background: var(--bg-light); border: 1px solid var(--border);
  padding: 0.1rem 0.45rem; border-radius: 20px;
}

.course-desc {
  font-size: 0.875rem;
  color: var(--text-sec);
  margin-bottom: 0.75rem;
}

.offering-pills { display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; }

.offering-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-right: 0.1rem;
}

.offering-pill {
  font-size: 0.77rem;
  font-weight: 500;
  padding: 0.18rem 0.6rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-sec);
  background: #fff;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
}

.offering-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  text-decoration: none;
}

.offering-pill.current {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

.offering-pill.current::before { content: "● "; font-size: 0.45rem; vertical-align: middle; }

/* ================================================================
   JOIN
   ================================================================ */

/* ── Join Us ──────────────────────────────────────────────────────── */
.join-content { max-width: 100%; }
.join-content h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
  color: var(--primary-dark);
}
.join-content > p { font-size: 0.9rem; color: var(--text-sec); }

/* Open Positions box */
.join-openings {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem 1.5rem;
}
.join-openings-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}
.join-openings-head h2 {
  font-size: 1rem;
  margin: 0;
  color: var(--primary-dark);
}
.join-updated {
  font-size: 0.73rem;
  color: var(--text-muted);
}
.join-openings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}
@media (max-width: 700px) { .join-openings-grid { grid-template-columns: 1fr; } }

.join-opening-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.9rem 1rem;
}
.join-opening-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}
.join-opening-top strong { font-size: 0.83rem; color: var(--primary-dark); line-height: 1.3; }
.join-opening-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.8rem;
  color: var(--text-sec);
}
.join-opening-card ul li { margin-bottom: 0.1rem; }
.join-opening-card > p { font-size: 0.8rem; color: var(--text-sec); margin: 0; line-height: 1.55; }

.join-badge {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.18em 0.5em;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.join-badge.opening { background: #e4f4ec; color: #1c7c49; }
.join-badge.limited { background: #fff3e0; color: #b35c00; }

/* Funding grid */
.join-funding {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}
@media (max-width: 600px) { .join-funding { grid-template-columns: 1fr; } }
.join-funding-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.9rem 1.1rem;
}
.join-funding-card.muted { background: var(--bg-light); }
.join-funding-role {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 0.35rem;
}
.join-funding-card p { font-size: 0.86rem; color: var(--text-sec); margin: 0; line-height: 1.6; }

/* How to Apply: two tracks */
.join-tracks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 700px) { .join-tracks { grid-template-columns: 1fr; } }
.join-track h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 0.65rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}
.join-dl { margin: 0; }
.join-dl dt {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 0.8rem;
}
.join-dl dd {
  font-size: 0.82rem;
  color: var(--text-sec);
  margin-left: 0;
  margin-top: 0.15rem;
  line-height: 1.6;
}

/* Full-width application form CTA */
.join-form-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1rem 1.4rem;
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary-dark);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.join-form-cta:hover {
  background: #d6e8f5;
  border-left-color: var(--primary-dark);
  color: var(--primary-dark);
  text-decoration: none;
}
.join-form-cta-arrow {
  font-size: 1.1rem;
  flex-shrink: 0;
  color: var(--primary);
}

/* Bottom note */
.join-note {
  margin-top: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ================================================================
   FOOTER — 4-column dark
   Logo | Description+Social | Recent News | Links
   ================================================================ */

.site-footer {
  background: var(--dark-bg);
  padding: 2.5rem 0 1.5rem;
  margin-top: 4rem;
}

/* 4-column main grid */
.footer-main {
  display: grid;
  grid-template-columns: 148px 1fr 1.5fr 140px;
  gap: 0 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--dark-border);
  align-items: start;
}

@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
}

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

/* Col 1: Logo mark */
.footer-logo-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-col img {
  height: 130px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.88;
  display: block;
}

.footer-lab-name {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  line-height: 1.3;
  white-space: nowrap;
  text-align: left;
}

/* Col 2: Description + social */
.footer-desc-col {}

.footer-desc {
  font-size: 0.84rem;
  color: var(--dark-muted);
  line-height: 1.7;
  margin-bottom: 1.1rem;
}

.footer-social { display: flex; gap: 0.7rem; align-items: center; }
.footer-social a {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.15s;
  text-decoration: none;
}
.footer-social a:hover { color: #fff; }

/* Col 3 & 4: section title */
.footer-section-title {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 0.9rem;
}

/* Col 3: Recent news */
.footer-news-col {}

.footer-news-item {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 0 0.6rem;
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
  line-height: 1.4;
}

.footer-news-date {
  color: rgba(255,255,255,0.45);
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  padding-top: 0.05rem;
  flex-shrink: 0;
}

.footer-news-text {
  color: var(--dark-text);
}

.footer-news-text a {
  color: var(--dark-text);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-news-text a:hover { color: #fff; }

/* Col 4: Links */
.footer-links-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-col ul li {
  margin-bottom: 0.4rem;
}

.footer-links-col ul a {
  font-size: 0.84rem;
  color: var(--dark-muted);
  text-decoration: none;
  transition: color 0.15s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-links-col ul a::before {
  content: "›";
  color: rgba(255,255,255,0.3);
  font-size: 1rem;
}

.footer-links-col ul a:hover { color: #fff; }

/* Bottom bar */
.footer-bottom {
  padding-top: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copy { font-size: 0.75rem; color: rgba(255,255,255,0.3); }