:root {
  --bg: #f8f2e6;
  --bg-soft: #fbf8f1;
  --panel: rgba(255, 253, 248, 0.92);
  --panel-2: rgba(255, 249, 240, 0.88);
  --ink: #15202b;
  --muted: #5d615f;
  --line: rgba(188, 178, 150, 0.46);
  --line-strong: rgba(146, 130, 94, 0.55);
  --accent: #0072b2;
  --accent-2: #009e73;
  --accent-3: #e69f00;
  --accent-4: #cc79a7;
  --danger: #d55e00;
  --button: #0b344f;
  --button-text: #ffffff;
  --shadow: 0 16px 40px rgba(43, 38, 20, 0.10);
  --shadow-soft: 0 10px 28px rgba(43, 38, 20, 0.08);
  --radius: 18px;
  --max: 1180px;
}

:root[data-theme="dark"] {
  --bg: #0b0f14;
  --bg-soft: #0f1520;
  --panel: rgba(18, 24, 38, 0.90);
  --panel-2: rgba(23, 32, 51, 0.92);
  --ink: #f3f5f7;
  --muted: #bac3ca;
  --line: #2b3444;
  --line-strong: #48566b;
  --accent: #56b4e9;
  --accent-2: #5fc49e;
  --accent-3: #f1b844;
  --accent-4: #e29ac3;
  --danger: #f08b4a;
  --button: #f3f5f7;
  --button-text: #0b0f14;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.30);
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.22);
}

* { box-sizing: border-box; }
html { min-height: 100%; color-scheme: light; scroll-behavior: smooth; }
:root[data-theme="dark"] { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 0% 14%, rgba(0, 114, 178, 0.10), transparent 26rem),
    radial-gradient(circle at 100% 0%, rgba(230, 159, 0, 0.18), transparent 28rem),
    radial-gradient(circle at 15% 100%, rgba(0, 158, 115, 0.10), transparent 25rem),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 0% 14%, rgba(86, 180, 233, 0.16), transparent 26rem),
    radial-gradient(circle at 100% 0%, rgba(241, 184, 68, 0.15), transparent 28rem),
    radial-gradient(circle at 12% 100%, rgba(95, 196, 158, 0.12), transparent 26rem),
    linear-gradient(180deg, #0b1017, #0b0f14 58%, #111826);
}

body.menu-open { overflow: hidden; }
img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration-thickness: 0.08em; text-underline-offset: 0.18em; }
a:hover { color: var(--danger); }
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--button);
  color: var(--button-text);
  border-radius: 10px;
}
.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 78%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--button), color-mix(in srgb, var(--button) 70%, var(--accent) 30%));
  color: var(--button-text);
  font-weight: 900;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-soft);
}

.brand-text { display: grid; line-height: 1.15; }
.brand-text strong { font-size: 15px; }
.brand-text span { color: var(--muted); font-size: 12px; font-weight: 750; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a, .nav-links button, .mobile-menu-button {
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  padding: 8px 11px;
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
}
.nav-links a:hover,
.nav-links a.active,
.nav-links button:hover,
.mobile-menu-button:hover,
.filter-row .ghost-button.active {
  border-color: var(--line-strong);
  background: var(--panel);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);
}
.theme-toggle { color: var(--button-text) !important; background: var(--button) !important; }
.mobile-menu-button { display: none; color: var(--button-text); background: var(--button); border-color: var(--button); }

main { max-width: var(--max); margin: 0 auto; padding: 30px 22px 56px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr);
  gap: 24px;
  align-items: stretch;
  padding: 30px 0 14px;
}

.hero-card, .panel, .card, .metric-card, .callout {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: 34px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-3) 12%, transparent), transparent 20rem),
    radial-gradient(circle at bottom left, color-mix(in srgb, var(--accent) 10%, transparent), transparent 20rem),
    linear-gradient(135deg, color-mix(in srgb, var(--panel) 90%, var(--accent) 10%), var(--panel));
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 14px;
  max-width: 850px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.04em;
}
h2 {
  margin-bottom: 10px;
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}
h3 { margin-bottom: 8px; font-size: 18px; line-height: 1.22; }
.lede { max-width: 780px; margin-bottom: 20px; color: var(--muted); font-size: 18px; }

.hero-actions, .action-row, .button-row, .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.button, .ghost-button, .link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 9px 15px;
  font-size: 14px;
  font-weight: 850;
  text-decoration: none;
}
.button, .link-button.primary { color: var(--button-text); background: var(--button); border-color: var(--button); }
.ghost-button, .link-button { color: var(--ink); background: var(--panel); }
.button:hover, .ghost-button:hover, .link-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent), var(--shadow-soft);
}

.hero-aside { display: grid; gap: 12px; }
.profile-card { padding: 20px; display: grid; gap: 14px; align-content: start; }
.profile-visual, .mini-brand-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-2);
}
.profile-visual img { display: block; width: 100%; }

.identity-list { display: grid; gap: 9px; margin: 0; }
.identity-list div { display: grid; gap: 2px; }
.identity-list dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
.identity-list dd { margin: 0; font-weight: 800; }

.chip-row { display: flex; flex-wrap: wrap; gap: 7px; }
.chip, .tag, .status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.section { padding: 30px 0 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 14px;
}
.section-head p { max-width: 720px; margin-bottom: 0; color: var(--muted); }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 12px;
}
.metric-card { padding: 16px; display: grid; gap: 8px; }
.metric-card strong { font-size: 28px; line-height: 1; }
.metric-card span { color: var(--muted); font-weight: 700; }

.grid-2, .grid-3, .grid-4 { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.align-start { align-items: start; }
.top-gap { margin-top: 16px; }

.card, .panel, .callout { padding: 18px; }
.card p, .panel p, .callout p { color: var(--muted); }
.card p:last-child, .panel p:last-child, .callout p:last-child { margin-bottom: 0; }

.project-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 12px;
  min-height: 320px;
  overflow: hidden;
}
.project-card.text-only {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 9%, transparent), transparent 12rem),
    radial-gradient(circle at bottom left, color-mix(in srgb, var(--accent-3) 9%, transparent), transparent 12rem),
    var(--panel);
}
.project-card.text-only .eyebrow { margin-bottom: 10px; }

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.tag.scope { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.tag.methods { border-color: color-mix(in srgb, var(--accent-2) 45%, var(--line)); }
.tag.translation { border-color: color-mix(in srgb, var(--accent-3) 45%, var(--line)); }
.tag.data { border-color: color-mix(in srgb, var(--accent-4) 45%, var(--line)); }
.card-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.callout {
  padding: 26px;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-4) 10%, transparent), transparent 18rem),
    linear-gradient(135deg, color-mix(in srgb, var(--panel) 92%, var(--accent-2) 8%), var(--panel));
}

.list-clean { padding-left: 18px; margin: 0; }
.list-clean li { margin-bottom: 8px; }

.timeline { display: grid; gap: 12px; }
.timeline-item {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.timeline-item:last-child { border-bottom: 1px solid var(--line); }
.timeline-item time { color: var(--accent); font-weight: 900; font-size: 13px; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 16px;
}
.contact-list { display: grid; gap: 10px; margin-bottom: 16px; }
.contact-item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-2);
}
.contact-item span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.contact-item strong { font-size: 16px; }

.institution-card {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-3) 10%, transparent), transparent 12rem),
    var(--panel);
}
.mini-brand-card {
  padding: 14px;
  background: #fff;
  margin-bottom: 14px;
}
.mini-brand-card img {
  max-height: 98px;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}
.publication-section { min-height: 150px; }
.publication-item h3 { margin-bottom: 6px; }

.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-soft) 80%, transparent);
}
.footer-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 22px 28px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.footer-links a { text-decoration: none; font-weight: 800; }
.footer-emails { justify-content: flex-end; }

@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3, .hero, .contact-grid { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, minmax(130px, 1fr)); }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 760px) {
  .nav-shell { position: relative; }
  .mobile-menu-button { display: inline-flex; }
  .nav-links {
    position: absolute;
    left: 22px;
    right: 22px;
    top: calc(100% + 10px);
    z-index: 30;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--panel);
    box-shadow: var(--shadow);
    display: none;
  }
  body.menu-open .nav-links { display: flex; }
  .nav-links a, .nav-links button { width: 100%; justify-content: center; }
  .section-head, .footer-shell { flex-direction: column; align-items: stretch; }
  .grid-2, .grid-4, .metric-grid { grid-template-columns: 1fr; }
  main { padding-left: 18px; padding-right: 18px; }
  .hero-card { padding: 24px; }
}

.project-visual {
  margin: -18px -18px 0;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.project-visual img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
}

.about-hero h1 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.04;
}

.institution-card h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.site-footer {
  margin-top: 44px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 0% 15%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 26rem),
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--accent-3) 14%, transparent), transparent 25rem),
    color-mix(in srgb, var(--bg-soft) 84%, transparent);
  backdrop-filter: blur(18px);
}

.footer-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 38px 22px 30px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.75fr 0.85fr;
  gap: 28px;
  align-items: start;
}

.footer-brand {
  display: grid;
  gap: 14px;
}

.footer-brand p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.footer-brand-lockup {
  align-items: flex-start;
}

.footer-col {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.footer-col h2 {
  margin: 0 0 6px;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-col a,
.footer-col span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 22px 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.footer-bottom a {
  color: var(--muted);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--accent);
  text-decoration: underline;
}

@media (max-width: 980px) {
  .footer-shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .footer-shell {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
  }
}


/* Final launch refinements */
.hero-card h1 {
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.02;
}

.about-hero h1 {
  font-size: clamp(25px, 3vw, 40px);
  line-height: 1.08;
}