.text-justify {
  text-align: justify;
}
/* Hero image side-by-side layout */
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  min-height: 340px;
  position: relative;
}
.hero-photo {
  position: relative;
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: 0 4px 32px rgba(0,30,60,0.18);
  min-width: 220px;
  max-width: 420px;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-photo img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.65) contrast(1.08) saturate(1.1);
  border-radius: 1.2rem;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-photo { max-width: 100%; margin-top: 1.2rem; }
}
/* Organizer bar */
.org-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  background: var(--bg);
  /* border-top: 1px solid var(--border); */
  padding: 0.7rem 1rem;
  font-size: 0.98rem;
  color: var(--muted);
}
.org-bar img {
  /* Force a consistent visual height for all organizer logos regardless of their intrinsic widths.
     Width is allowed to scale automatically to preserve aspect ratio.
     Use max-height instead of height to allow SVGs with internal padding to scale properly. */
  height: 70px;
  width: auto;
  object-fit: contain;
  vertical-align: middle;
  background: #fff0;
  margin: 0 0.2rem;
  filter: grayscale(0.2) brightness(0.98);
  transition: filter 0.2s;
}
.org-bar img:hover,
.org-bar img:focus {
  filter: none;
}
.org-label {
  margin-right: 1rem;
  font-weight: 500;
  color: var(--muted);
}
@media (max-width: 600px) {
  .org-bar { flex-wrap: wrap; gap: 1rem; }
  .org-bar img { height: 28px; }
}
/* Theme variables */
:root {
  --bg: #0a1623;
  --bg-elev: #11243a;
  --surface: #17325a;
  --text: #eaf3fa;
  --muted: #7bb0df;
  --primary: #0065bd; /* CTU blue */
  --secondary: #00b4e3; /* cyan accent */
  --accent: #0065bd; /* unified with primary */
  --ring: rgba(0, 101, 189, 0.35);
  --card: #11243a;
  --border: #1a3553;
  --shadow: 0 10px 30px rgba(0,30,60,.28);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafdff;
    --bg-elev: #eaf3fa;
    --surface: #e3f0fa;
    --text: #0a1623;
    --muted: #0065bdcc;
    --primary: #0065bd;
    --secondary: #00b4e3;
    --accent: #0065bd;
    --ring: rgba(0, 101, 189, 0.22);
    --card: #eaf3fa;
    --border: #b3d2ee;
    --shadow: 0 6px 24px rgba(0,101,189,.08);
  }
}

/* Reset-ish */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 80% -10%, rgba(96,165,250,.08), transparent) no-repeat,
              radial-gradient(1000px 560px at -10% 20%, rgba(167,139,250,.08), transparent) no-repeat,
              var(--bg);
  line-height: 1.6;
}

p {
  text-align: justify;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--card);
  color: var(--text);
  padding: .5rem .75rem;
  border-radius: .5rem;
  box-shadow: var(--shadow);
}
.skip-link:focus { left: .5rem; top: .5rem; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg-elev) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.brand { display: inline-flex; gap: .6rem; align-items: center; text-decoration: none; color: var(--text); font-weight: 700; letter-spacing: 0.1px; }
.brand-mark { color: var(--primary); }
.brand-text { font-size: 1.05rem; }

.site-nav ul { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.site-nav li { position: relative; }
.site-nav a { color: var(--text); text-decoration: none; padding: .5rem .75rem; border-radius: .6rem; display: block; }
.site-nav a:hover, .site-nav a:focus { background: color-mix(in oklab, var(--primary) 14%, transparent); outline: none; }

/* Dropdown menu */
.site-nav .has-dropdown {
  position: relative;
}
.site-nav .has-dropdown > a {
  display: flex;
  align-items: center;
  gap: .3rem;
  cursor: pointer;
}
.site-nav .has-dropdown > a::after {
  content: '▾';
  font-size: 0.8rem;
  transition: transform 0.2s ease;
}
.site-nav .has-dropdown.open > a::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: .6rem;
  padding: .5rem 0;
  min-width: 200px;
  margin-top: .3rem;
  box-shadow: 0 8px 24px rgba(5, 20, 40, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 100;
  list-style: none;
}

.has-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  padding: .6rem 1rem;
  border-radius: 0;
  white-space: nowrap;
  display: block;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus {
  background: color-mix(in oklab, var(--primary) 18%, transparent);
}

.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: .5rem; border-radius: .5rem; }
.nav-toggle:focus { outline: 2px solid var(--ring); outline-offset: 2px; }
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 1px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; inset: 64px 0 auto 0; background: var(--bg-elev); border-bottom: 1px solid var(--border); display: none; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: .75rem; }
  .site-nav a { display: block; }
  
  /* Mobile dropdown styles */
  .site-nav .has-dropdown > a::after {
    margin-left: auto;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--border);
    margin-left: 1rem;
    padding-left: 0;
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  .has-dropdown.open .dropdown-menu {
    max-height: 500px;
  }
  
  .has-dropdown > a {
    justify-content: space-between;
  }
}

/* Hero */
.hero { padding: 4.5rem 0 2.5rem; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
.hero h1 { margin: 0 0 .5rem; line-height: 1.1; font-size: clamp(2rem, 2.5vw + 1.4rem, 3rem); }
.hero-subtitle {
  margin: 0;
  font-size: clamp(1.85rem, 1.4vw + 1.2rem, 2.4rem);
  font-weight: 600;
}
.text-accent { background: linear-gradient(90deg, var(--primary), var(--secondary)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.1rem; color: var(--muted); }
.meta { color: var(--muted); display: flex; gap: .65rem; align-items: center; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: .4rem; background: color-mix(in oklab, var(--primary) 12%, transparent); color: var(--text); padding: .35rem .6rem; border-radius: .5rem; border: 1px solid var(--border); }
.dot { opacity: .45; }
.cta { display: flex; gap: .8rem; margin-top: 1rem; flex-wrap: wrap; }

.hero-graphic { filter: drop-shadow(var(--shadow)); }
.hero-graphic svg { width: 100%; height: auto; border-radius: 1rem; }

@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; } .hero { padding-top: 3.2rem; } }

/* Sections */
.section { padding: 3rem 0; }
.section.alt { background: color-mix(in oklab, var(--bg-elev) 88%, transparent); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section h2 { margin-top: 0; font-size: 1.7rem; letter-spacing: .2px; }
.bullets { list-style: none; padding: 0; columns: 2; column-gap: 2rem; }
.bullets li { padding-left: 1.4rem; position: relative; break-inside: avoid; -webkit-column-break-inside: avoid; }
.bullets li { text-align: justify; }
.bullets li::before { content: "•"; position: absolute; left: 0; color: var(--secondary); }
@media (max-width: 700px) { .bullets { columns: 1; } }
.tribullets { list-style: none; padding: 0; columns: 3; column-gap: 2rem; }
.tribullets li { padding-left: 1.4rem; position: relative; break-inside: avoid; -webkit-column-break-inside: avoid; }
.tribullets li { text-align: justify; }
.tribullets li::before { content: "•"; position: absolute; left: 0; color: var(--secondary); }
@media (max-width: 700px) { .tribullets { columns: 1; } }

.fee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 1.7rem 0 0;
}

.fee-card {
  background: color-mix(in oklab, var(--bg-elev) 70%, transparent);
  border: 1px solid color-mix(in oklab, var(--border) 80%, transparent);
  border-radius: 1rem;
  padding: 1.6rem;
  box-shadow: 0 12px 28px rgba(6, 18, 32, 0.22);
}

.fee-label {
  margin: 0 0 .35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: var(--muted);
}

.fee-amount {
  margin: 0;
  font-size: clamp(2rem, 2vw + 1.2rem, 2.8rem);
  font-weight: 700;
}

.fee-note {
  margin: .65rem 0 0;
  color: var(--muted);
}

.info-panel {
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: color-mix(in oklab, var(--bg-elev) 95%, transparent);
  overflow: hidden;
}

.info-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  padding: 1.2rem 1.5rem;
  font-weight: 600;
  list-style: none;
}

.info-panel summary::after {
  content: '▾';
  transition: transform 0.2s ease;
}

.info-panel[open] summary::after {
  transform: rotate(180deg);
}

.info-panel summary::marker {
  display: none;
}

.info-panel[open] summary {
  border-bottom: 1px solid var(--border);
}

.info-panel-body {
  padding: 1.2rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem 1.25rem;
  margin: 0;
}

.info-row {
  padding: .75rem .9rem;
  border-radius: .8rem;
  border: 1px solid color-mix(in oklab, var(--border) 80%, transparent);
  background: color-mix(in oklab, var(--primary) 6%, transparent);
}

.info-row dt {
  margin: 0 0 .2rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.info-row dd {
  margin: 0;
  font-weight: 600;
}

.info-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.step-list li {
  counter-increment: step;
  display: flex;
  gap: 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem 1.2rem;
  background: color-mix(in oklab, var(--bg-elev) 92%, transparent);
  box-shadow: 0 8px 20px rgba(5, 14, 28, 0.16);
}

.step-list li::before {
  content: counter(step);
  flex: 0 0 36px;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #041225;
}

.policy-callout {
  margin-top: 1.8rem;
  border-radius: 1rem;
  border: 1px solid color-mix(in oklab, var(--secondary) 60%, transparent);
  background: color-mix(in oklab, var(--secondary) 15%, transparent);
  padding: 1.1rem 1.3rem;
  font-weight: 500;
}

.notice {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem 1.1rem;
  background: color-mix(in oklab, var(--bg-elev) 92%, transparent);
  box-shadow: 0 6px 18px rgba(6, 16, 32, 0.16);
  margin-bottom: 1.5rem;
}

.notice p {
  margin: 0;
  color: var(--text);
}

.notice strong {
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  display: inline-block;
  margin-right: 0.5rem;
}

.author-kit-alert {
  border-color: color-mix(in oklab, var(--primary) 55%, transparent);
  background: color-mix(in oklab, var(--primary) 12%, transparent);
}

.rate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.rate-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem 1.4rem;
  background: color-mix(in oklab, var(--bg-elev) 90%, transparent);
  box-shadow: 0 10px 24px rgba(6, 16, 32, 0.18);
}

.rate-card h3 {
  margin: 0 0 .35rem;
  font-size: 1.1rem;
}

.rate-amount {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.rate-note {
  margin: .35rem 0 0;
  color: var(--muted);
}

.news-card {
  background: color-mix(in oklab, var(--bg-elev) 70%, transparent);
  border: 1px solid color-mix(in oklab, var(--border) 75%, transparent);
  border-radius: 1.2rem;
  padding: 1.6rem;
  box-shadow: 0 12px 32px rgba(8, 12, 24, 0.25);
}

.news-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.news-intro {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}


.news-scroller {
  margin: 1.25rem 0 0;
  max-height: 135px;
  overflow-y: auto;
  scrollbar-gutter: stable;
  padding-right: 0.35rem;
  position: relative;
  border-radius: 0.9rem;
}

.news-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.news-list li {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 0.9rem;
  row-gap: 0.35rem;
  padding: 0.65rem 0.85rem;
  border-radius: 0.9rem;
  background: color-mix(in oklab, var(--primary) 6%, transparent);
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
}

.news-list li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--secondary), var(--primary));
  flex-shrink: 0;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary) 10%, transparent);
}

.news-date {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  min-width: 120px;
}

.news-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  flex: 1;
}

.news-link:hover,
.news-link:focus {
  color: var(--secondary);
  text-decoration: underline;
}

.news-scroller::-webkit-scrollbar {
  width: 6px;
}

.news-scroller::-webkit-scrollbar-thumb {
  background: color-mix(in oklab, var(--primary) 60%, transparent);
  border-radius: 999px;
}

.news-scroller::-webkit-scrollbar-track {
  background: color-mix(in oklab, var(--bg) 40%, transparent);
}

.news-scroller::before,
.news-scroller::after {
  content: "";
  position: sticky;
  left: 0;
  right: 0;
  height: 1.15rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 1;
  border-radius: inherit;
}

.news-scroller::before {
  top: 0;
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg) 96%, transparent) 0%, transparent 100%);
}

.news-scroller::after {
  bottom: 0;
  background: linear-gradient(0deg, color-mix(in oklab, var(--bg) 96%, transparent) 0%, transparent 100%);
}

.news-scroller.has-top-fade::before {
  opacity: 1;
}

.news-scroller.has-bottom-fade::after {
  opacity: 1;
}

@media (max-width: 540px) {
  .news-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .news-date {
    min-width: 0;
    flex-basis: 100%;
  }

  .news-link {
    flex-basis: 100%;
  }
}

.keynote-highlight {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(260px, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: stretch;
}

.keynote-details {
  max-width: 560px;
}

.keynote-visual {
  justify-self: end;
  width: 100%;
  max-width: 420px;
  min-height: 280px;
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 30, 60, 0.25);
  background: var(--card);
}

.keynote-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.82) contrast(1.05);
}

.person-photo-lg {
  width: 220px;
  height: 220px;
  border-width: 4px;
}

.keynote-details .keynote-name {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
}

.keynote-affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin: .9rem 0 1.4rem;
}

.keynote-details p {
  max-width: 56ch;
}

.keynote-link {
  margin-top: 0.8rem;
}

.keynote-list {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
}

.keynote-list li {
  padding: 0.4rem 0;
  border-bottom: 1px solid color-mix(in oklab, var(--border) 80%, transparent);
}

.keynote-list li:last-child {
  border-bottom: 0;
}

@media (max-width: 720px) {
  .keynote-highlight {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .keynote-visual {
    justify-self: center;
    max-width: 360px;
    min-height: 220px;
    margin-top: 1.5rem;
  }
}

.archive-table-wrapper {
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--card);
  box-shadow: 0 8px 30px rgba(5, 20, 40, 0.26);
}

.archive-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 280px;
}

.archive-table th,
.archive-table td {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.archive-table thead th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: color-mix(in oklab, var(--primary) 12%, transparent);
}

.archive-table tbody tr:nth-child(odd) {
  background: color-mix(in oklab, var(--primary) 6%, transparent);
}

.archive-table tbody tr:hover {
  background: color-mix(in oklab, var(--secondary) 10%, transparent);
}

.archive-table .year {
  font-weight: 600;
  white-space: nowrap;
  color: var(--text);
}

.archive-table .location,
.archive-table .proceedings {
  color: var(--text);
}

.archive-table .proceedings a {
  text-transform: lowercase;
  white-space: nowrap;
}

.no-link {
  color: var(--muted);
  font-style: italic;
}

.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;
}

@media (max-width: 640px) {
  .archive-table-wrapper {
    border-radius: 0.8rem;
  }

  .archive-table th,
  .archive-table td {
    padding: 0.75rem 0.9rem;
  }

  .archive-table thead {
    display: none;
  }

  .archive-table,
  .archive-table tbody,
  .archive-table tr {
    display: block;
    width: 100%;
  }

  .archive-table tr {
    border-bottom: 1px solid var(--border);
  }

  .archive-table td {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    border: 0;
    font-size: 0.95rem;
  }

  .archive-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .archive-table .year,
  .archive-table .location,
  .archive-table .proceedings {
    color: var(--text);
  }
}

.key-dates { list-style: none; padding: 0; border-radius: .8rem; overflow: hidden; border: 1px solid var(--border); background: var(--card); }
.key-dates li { display: grid; grid-template-columns: 220px 220px 1fr; gap: 1rem; padding: .85rem 1rem; align-items: center; }
.key-dates li:nth-child(odd) { background: color-mix(in oklab, var(--primary) 8%, transparent); }
.key-dates .k { color: var(--muted); }
.key-dates .v { color: var(--text); font-weight: 500; }
@media (max-width: 640px) { 
  .key-dates li { grid-template-columns: 1fr; }
  .key-dates .countdown { margin-top: .25rem; display: inline-block; font-size: 0.7rem; }
}

/* Countdown (light, subtle) */
.key-dates .countdown {
  font-weight: 300;
  color: color-mix(in oklab, var(--muted) 100%, var(--text));
  font-size: 0.85rem;
  letter-spacing: .35px;
  align-self: center;
  white-space: nowrap;
  opacity: .85;
}
.key-dates .countdown[data-expired="true"] { color: var(--muted); opacity: .7; }

/* Links & Buttons */
.link { color: var(--primary); text-decoration: none; }
.link:hover { text-decoration: underline; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 600; text-decoration: none; padding: .6rem 1rem; border-radius: .7rem; border: 1px solid var(--border); transition: transform .06s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
.btn-small { padding: .45rem .85rem; font-size: .9rem; }
.btn-primary { background: linear-gradient(90deg, var(--primary), var(--secondary)); color: #0b1220; border-color: transparent; }
.btn-ghost { background: transparent; color: var(--text); }
.btn[aria-disabled="true"] { opacity: .6; pointer-events: none; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 2rem; background: var(--bg-elev); text-align: center; }
.footer-inner { display: flex; align-items: center; justify-content: center; gap: 1rem; min-height: 72px; flex-wrap: wrap; }
.back-to-top { text-decoration: none; color: var(--text); background: color-mix(in oklab, var(--primary) 14%, transparent); border: 1px solid var(--border); padding: .45rem .65rem; border-radius: .5rem; opacity: 0; pointer-events: none; transform: translateY(4px); transition: opacity .2s ease, transform .2s ease; }
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* Utilities */
.note { color: var(--muted); }

/* People / Team profiles */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  justify-items: center;
}

.person-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  width: 100%;
  max-width: 280px;
}

.person-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  width: 100%;
  /* max-width: 250px; */
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.person-card-link:hover .person-card,
.person-card-link:focus .person-card {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 30, 60, 0.2);
  border-color: var(--primary);
}

.person-card-link:focus {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: 1rem;
}

.person-photo {
  width: 160px;
  height: 160px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--border);
  background: var(--surface);
}

.person-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.person-info {
  margin-top: 1rem;
}

.person-name {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.person-affiliation {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .people-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}