:root {
  --bg: #0b1020;
  --panel: #111a33;
  --text: #e7ecff;
  --muted: rgba(231, 236, 255, 0.72);
  --border: rgba(231, 236, 255, 0.14);
  --accent: #8bb6ff;
  --accent2: #7ee3c2;
  --accent3: #c2a4ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  padding: 0;
  margin: 0;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% -10%, rgba(139, 182, 255, 0.25), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(126, 227, 194, 0.18), transparent 50%),
    radial-gradient(800px 500px at 65% 110%, rgba(194, 164, 255, 0.12), transparent 55%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.95rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.55);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px 0;
}

.title {
  font-size: 1.75rem;
  margin: 0 0 8px 0;
  line-height: 1.2;
}

.tagline {
  margin: 0 0 10px 0;
  max-width: 58ch;
}

.signature {
  max-width: 68ch;
  margin: 0 0 10px 0;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border: 1px solid var(--border);
  background: rgba(17, 26, 51, 0.65);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: rgba(17, 26, 51, 0.55);
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.pill:hover {
  text-decoration: none;
  border-color: rgba(139, 182, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(139, 182, 255, 0.2), 0 10px 24px rgba(0, 0, 0, 0.35);
  transform: translateY(-1px);
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  padding-top: 6px;
}

.nav a {
  border: 1px solid transparent;
  padding: 6px 10px;
  border-radius: 10px;
  color: var(--text);
  opacity: 0.9;
}

.nav a:hover {
  border-color: var(--border);
  background: rgba(17, 26, 51, 0.55);
  text-decoration: none;
}

.section {
  padding: 42px 0;
  border-bottom: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 14px 0;
  font-size: 1.35rem;
}

.section h3 {
  margin: 18px 0 10px 0;
  font-size: 1.1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--border);
  background: rgba(17, 26, 51, 0.55);
  border-radius: 16px;
  padding: 16px 16px 14px 16px;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 8px 0;
}

.card p {
  margin: 0 0 10px 0;
}

.card .meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.card .link {
  display: inline-block;
  margin-top: 2px;
  font-weight: 600;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

ul {
  margin: 10px 0 0 18px;
}

code {
  background: rgba(231, 236, 255, 0.1);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 8px;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0 0;
}

.contact-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}

.contact-list .label {
  color: var(--muted);
}

.site-footer {
  padding: 18px 0;
  background: rgba(11, 16, 32, 0.6);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 860px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .nav {
    justify-content: flex-start;
    padding-top: 0;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
  }
  .contact-list li {
    grid-template-columns: 1fr;
  }
}

/* ---- 2026-08 additions: news, publications, micro-interactions ---- */

/* card micro-interaction (matches existing .pill hover language) */
.card {
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(139, 182, 255, 0.45);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}

/* news */
.news-list {
  list-style: none;
  margin: 6px 0 0 0;
  padding: 0;
}
.news-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
}
.news-list li:last-child {
  border-bottom: none;
}
.news-date {
  color: var(--accent2);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* publications */
.pub-list {
  list-style: none;
  margin: 8px 0 0 0;
  padding: 0;
}
.pub {
  padding: 13px 0;
  border-bottom: 1px dashed var(--border);
}
.pub:last-child {
  border-bottom: none;
}
.pub-title {
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.45;
}
.pub-authors {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 4px;
}
.pub-authors strong {
  color: var(--text);
  font-weight: 600;
}
.pub-venue {
  margin-top: 3px;
}

/* scroll reveal (respects reduced motion) */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .card,
  .card:hover {
    transform: none;
    transition: none;
  }
}

/* ---- 2026-08 additions: project link rows (chip-links) ---- */
.link-rows {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.link-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.link-row-label {
  color: var(--muted);
  font-size: 0.9rem;
  min-width: 112px;
}
.chip-link {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  background: rgba(17, 26, 51, 0.65);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}
.chip-link:hover {
  text-decoration: none;
  transform: translateY(-1px);
  border-color: rgba(126, 227, 194, 0.5);
  color: var(--accent2);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}