:root{
  --bg:#fbfaf8;
  --surface:#ffffff;
  --ink:#1a1d24;
  --muted:#5c6470;
  --line:#e7e3db;
  --accent:#7a1f2b;
  --accent-soft:#f3e7e7;
  --navy:#1f2a44;
  --radius:14px;
  --maxw:920px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* NAV */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,248,.85);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.nav-name{font-weight:700;font-size:1.05rem;letter-spacing:-.01em;color:var(--ink)}
.nav-name:hover{text-decoration:none;color:var(--accent)}
.nav-links{display:flex;gap:24px;font-size:.92rem;font-weight:500}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:var(--accent);text-decoration:none}
.nav-links a.active{color:var(--accent)}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink);cursor:pointer}
@media(max-width:720px){
  .nav-links{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line)}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px;border-top:1px solid var(--line)}
  .nav-toggle{display:block}
}

/* PAGE HEADER */
.page-head{padding:54px 0 8px}
.page-head .sec-label{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.page-head h1{font-family:'Newsreader',serif;font-size:2.4rem;font-weight:600;letter-spacing:-.01em}
.page-head p{color:var(--muted);margin-top:10px;max-width:60ch}

/* HERO (home) */
header.hero{padding:72px 0 60px}
.hero-grid{display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:center}
.hero h1{font-family:'Newsreader',serif;font-size:3rem;line-height:1.05;letter-spacing:-.02em;font-weight:600}
.hero .role{color:var(--accent);font-weight:600;margin-top:6px;font-size:1.05rem}
.hero .tagline{color:var(--muted);font-size:1.12rem;margin-top:18px;max-width:46ch}
.hero-photo img{width:260px;height:260px;object-fit:cover;border-radius:50%;border:5px solid var(--surface);box-shadow:0 12px 40px rgba(31,42,68,.18);display:block;margin:0 auto}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:9px;font-size:.9rem;font-weight:500;border:1px solid var(--line);background:var(--surface);color:var(--ink);transition:.15s}
.btn:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;transform:translateY(-1px)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:#641821;color:#fff}
.btn svg{width:16px;height:16px}
@media(max-width:720px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero .tagline{margin-left:auto;margin-right:auto}
  .links{justify-content:center}
  .hero h1{font-size:2.3rem}
  .hero-photo{order:-1}
  .hero-photo img{width:190px;height:190px}
}

/* SECTIONS */
section{padding:40px 0}
section+section{border-top:1px solid var(--line)}
.sec-label{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
h2{font-family:'Newsreader',serif;font-size:1.7rem;font-weight:600;letter-spacing:-.01em;margin-bottom:20px}
h3{font-size:1.08rem;font-weight:600;margin-bottom:6px}
p+p{margin-top:14px}
.lead{font-size:1.06rem}
.muted{color:var(--muted)}

/* research themes */
.themes{display:grid;gap:18px}
.theme{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px}
.theme h3{display:flex;align-items:baseline;gap:10px}
.theme h3 span.n{font-family:'Newsreader',serif;font-size:1.5rem;color:var(--accent);font-weight:600;line-height:1}
.theme p{color:var(--muted);font-size:.97rem;margin-top:8px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.tag{font-size:.78rem;background:var(--accent-soft);color:var(--accent);padding:3px 10px;border-radius:20px;font-weight:500}

/* projects */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.card p{color:var(--muted);font-size:.95rem;margin-top:6px}
@media(max-width:680px){.cards{grid-template-columns:1fr}}

/* publications */
.pubgroup{margin-bottom:30px}
.pubgroup h2{margin-bottom:6px}
.pubgroup .count{font-size:.85rem;color:var(--muted);font-weight:500}
.pub{padding:15px 0;border-bottom:1px solid var(--line);font-size:.96rem}
.pub:last-child{border-bottom:0}
.pub .ttl{font-weight:600;color:var(--ink)}
.pub .meta{color:var(--muted);margin-top:3px;font-size:.92rem}
.pub .meta .venue{font-style:italic}
.pub b{color:var(--ink)}
.pub .plinks{margin-top:6px;display:flex;gap:14px;flex-wrap:wrap}
.pub .plinks a{font-size:.82rem;font-weight:600}
.idx{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:4px}

/* talks list */
.tlist{display:flex;flex-direction:column}
.titem{display:flex;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}
.titem:last-child{border-bottom:0}
.titem .y{flex:0 0 52px;font-variant-numeric:tabular-nums;color:var(--accent);font-weight:600;font-size:.92rem}
.titem .what .ev{font-weight:600}
.titem .what .loc{color:var(--muted);font-size:.92rem;margin-top:2px}

/* two-col mini lists */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:34px}
@media(max-width:680px){.cols{grid-template-columns:1fr}}
.mini h3{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}
.mini ul{list-style:none}
.mini li{padding:7px 0;border-bottom:1px solid var(--line);font-size:.94rem;display:flex;justify-content:space-between;gap:14px}
.mini li:last-child{border-bottom:0}
.mini li .y{color:var(--muted);font-variant-numeric:tabular-nums;flex:0 0 auto;font-size:.85rem}

/* skills */
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:7px 13px;font-size:.88rem;font-weight:500}

/* contact */
.contact-box{background:var(--navy);color:#fff;border-radius:var(--radius);padding:34px 36px;text-align:center;margin-top:20px}
.contact-box h2{color:#fff}
.contact-box p{color:#c8cedd}
.contact-box a{color:#fff;font-weight:600}
.contact-links{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:18px;font-weight:600}

footer{padding:30px 0 50px;text-align:center;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line);margin-top:20px}