:root{
  --bg:#f6f8fb;
  --surface:#ffffff;
  --text:#1f2937;
  --muted:#5f6b7a;
  --line:#dfe6ef;
  --primary:#0f4c81;
  --primary-2:#1b6aa9;
  --accent:#dfeefd;
  --shadow:0 10px 28px rgba(15,76,129,.08);
  --radius:18px;
  --radius-sm:12px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#f8fbff 0%, var(--bg) 220px);
  line-height:1.65;
}
a{color:var(--primary-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:saturate(180%) blur(8px);
  background:rgba(248,251,255,.82);
  border-bottom:1px solid rgba(223,230,239,.9);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.brand a{color:var(--text);text-decoration:none}
.brand .name{font-size:1.05rem;font-weight:800;letter-spacing:.02em}
.brand .sub{font-size:.9rem;color:var(--muted)}
.nav{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
.nav a{padding:8px 10px;border-radius:999px;color:var(--muted);font-weight:600}
.nav a.active,.nav a:hover{background:var(--accent);color:var(--primary)}
.hero{padding:54px 0 18px}
.hero-grid{display:grid;grid-template-columns:300px 1fr;gap:34px;align-items:center}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.photo-card{padding:16px}
.photo-card img{border-radius:14px;aspect-ratio:3/4;object-fit:cover;width:100%}
.hero-copy .eyebrow{display:inline-block;padding:7px 12px;border-radius:999px;background:var(--accent);color:var(--primary);font-weight:700;font-size:.9rem}
.hero-copy h1{font-size:clamp(2rem,4.6vw,3.65rem);line-height:1.08;margin:.65rem 0 .45rem}
.hero-copy h2{font-size:1.18rem;color:var(--muted);font-weight:600;margin:0 0 1rem}
.lead{font-size:1.04rem;color:#334155;max-width:68ch}
.meta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.meta-pill{padding:9px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:.94rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 0}
.stat{padding:20px}
.stat-num{font-size:1.9rem;font-weight:800;color:var(--primary)}
.stat-label{color:var(--muted);font-size:.95rem}
.section{padding:30px 0}
.section h3{font-size:1.6rem;margin:0 0 14px}
.section-intro{color:var(--muted);max-width:75ch;margin:0 0 20px}
.grid-2{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.panel{padding:24px}
.panel h4{margin:0 0 10px;font-size:1.1rem}
.kv{display:grid;grid-template-columns:180px 1fr;gap:10px 16px}
.kv div{padding:10px 0;border-bottom:1px solid var(--line)}
.kv .k{font-weight:700;color:#334155}
.list-clean{margin:0;padding-left:1.1rem}
.list-clean li{margin:0 0 10px}
.pub-list{margin:0;padding-left:1.25rem}
.pub-list li{margin:0 0 12px}
.pub-list .index{color:var(--muted);font-weight:700}
.year-block{margin-top:22px}
.year-title{position:sticky;top:74px;background:var(--bg);padding:8px 0 6px;margin:0 0 8px;color:var(--primary);font-size:1.4rem}
.project-card{padding:22px}
.project-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.badge{display:inline-block;padding:7px 10px;border-radius:999px;background:var(--accent);color:var(--primary);font-weight:700;font-size:.84rem}
.muted{color:var(--muted)}
.footer{padding:38px 0 60px;color:var(--muted);font-size:.95rem}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:999px;font-weight:700;border:1px solid var(--line);background:var(--surface);color:var(--text);text-decoration:none}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.notice{font-size:.92rem;color:var(--muted);background:#f9fbfd;border:1px dashed var(--line);padding:12px 14px;border-radius:12px}
@media (max-width: 960px){
  .hero-grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .kv{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .container{width:min(var(--max),calc(100% - 24px))}
  .header-inner{align-items:flex-start;flex-direction:column}
  .nav{justify-content:flex-start}
  .hero{padding-top:24px}
  .stats{grid-template-columns:1fr}
}