:root {
  --bg: #a8cfc3;
  --bg-soft: #8db4ff;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-2: rgba(255, 255, 255, 0.08);
  --border: rgba(222, 230, 218, 0.12);
  --text: #030819;
  --muted: #132a5f;
  --accent: #154930;
  --accent-2: #0e1e18;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
  --radius: 22px;
  --maxw: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(141, 180, 255, 0.16), transparent 18%),
    radial-gradient(circle at 90% 15%, rgba(158, 240, 210, 0.11), transparent 20%),
    linear-gradient(180deg, #ffffff 0%, #ffffff 60%, #ffffff 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; border-radius: 18px; }
.container { width: min(calc(100% - 32px), var(--maxw)); margin: 0 auto; }
.narrow { width: min(calc(100% - 32px), 860px); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgb(227, 227, 240); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(169, 183, 157, 0.566);
}
.nav { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; gap: 16px; }
.nav nav { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); }
.nav nav a:hover, .social-row a:hover, .text-link:hover { color: var(--accent-2); }
.brand { font-weight: 800; letter-spacing: -0.02em; }
.hero, .page-hero { padding: 72px 0 32px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 28px; align-items: center; }
.eyebrow { margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent-2); font-size: 0.82rem; }
h1 { font-size: clamp(2.3rem, 5vw, 4.6rem); line-height: 1.02; letter-spacing: -0.04em; margin: 0 0 18px; }
h2 { font-size: clamp(1.5rem, 2vw, 2.2rem); margin: 0 0 12px; letter-spacing: -0.03em; }
h3 { margin: 0 0 10px; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 760px; }
.hero-card, .card, .paper-card, .project-card, .publication-item, .content-block {
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius);
}
.hero-card { padding: 20px; }
.hero-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center;
  border-radius: 16px;
}
.meta-list { display: grid; gap: 14px; margin-top: 18px; }
.meta-list div { display: grid; gap: 4px; }
.meta-list span, .section-heading p, .card p, .paper-card p, .publication-item p, .content-block p, .content-block li { color: var(--muted); }
.button-row, .social-row, .link-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; padding: 12px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.03); font-weight: 600;
}
.button.primary { background: linear-gradient(135deg, #94b0a1, #dcd9e6); color: #08111f; border: none; }
.button.small { padding: 8px 12px; font-size: 0.95rem; }
.section { padding: 28px 0 40px; }
.section.alt { background: rgba(255,255,255,0.02); border-top: 1px solid rgba(255,255,255,0.04); border-bottom: 1px solid rgba(255,255,255,0.04); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 20px; }
.cards { display: grid; gap: 18px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card, .paper-card { padding: 24px; }
.project-card { overflow: hidden; }
.project-card-body { padding: 20px; }
.stack { display: grid; gap: 18px; }
.publication-item { padding: 24px; }
.publication-meta, .tag { display: inline-block; margin-bottom: 10px; padding: 6px 10px; border-radius: 999px; background: rgba(141,180,255,0.13); color: var(--accent); font-size: 0.84rem; font-weight: 700; }
.feature-image { width: 100%; background: rgba(255,255,255,0.03); }
.site-footer { padding: 28px 0 48px; color: var(--muted); }
.footer-flex { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.centered-link { text-align: center; margin-top: 24px; }
.text-link { color: var(--accent); font-weight: 600; }
@media (max-width: 920px) {
  .hero-grid, .cards.three, .cards.two { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { flex-direction: column; align-items: flex-start; }
  .hero, .page-hero { padding-top: 44px; }
  .button { width: 100%; }
}