:root{
  --bg: #0b1220;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --line: rgba(255,255,255,0.10);
  --accent:#60a5fa;
  --accent2:#22c55e;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(96,165,250,.25), transparent 60%),
    radial-gradient(900px 500px at 85% 0%, rgba(34,197,94,.18), transparent 55%),
    linear-gradient(180deg, var(--bg), #050812 70%);
  line-height:1.55;
}

body{ scroll-padding-top: 84px; }

a{color:inherit; text-decoration:none}
a:hover{color:var(--accent)}
.container{
  width:min(1060px, calc(100% - 40px));
  margin:0 auto;
}

.header{
  position:sticky;
  top:0;
  z-index:50;
  background: rgba(5,8,18,.65);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 0;
  gap:16px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:650;
  letter-spacing:.2px;
}
.dot{
  width:10px;height:10px;border-radius:999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 3px rgba(96,165,250,.15);
}

.navlinks{
  display:flex;
  gap:18px;
  font-size:14px;
  color:var(--muted);
}
.navlinks a{padding:6px 2px}
.navlinks a:hover{color:var(--text)}

.hero{padding:96px 0 40px}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:28px;
  align-items:start;
}
.hero-profile{
  text-align:center;
}
.profile-img{
  width:140px;
  height:140px;
  border-radius:999px;
  object-fit:cover;
  margin-bottom:14px;
  border:1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
}
.kicker{
  color:var(--muted);
  margin:0 0 10px;
  font-size:13px;
  letter-spacing:.25px;
  text-transform: uppercase;
}
h1{
  font-size: clamp(32px, 3.6vw, 52px);
  line-height:1.07;
  margin:0 0 14px;
  letter-spacing:-.02em;
}
.lead{
  margin:0 0 18px;
  color:rgba(229,231,235,.92);
  font-size:18px;
  max-width:62ch;
}

.cta{display:flex; gap:12px; flex-wrap:wrap; margin:18px 0 10px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 14px;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(96,165,250,.95), rgba(34,197,94,.85));
  color:#071021;
  font-weight:650;
  border:1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
}
.btn:hover{filter:brightness(1.02); color:#071021}
.btn.ghost{
  background: rgba(255,255,255,.04);
  color:var(--text);
  border:1px solid var(--line);
  box-shadow:none;
}
.btn.ghost:hover{background: rgba(255,255,255,.06); color:var(--text)}

.social{color:var(--muted); font-size:14px; margin-top:10px}
.sep{padding:0 8px; opacity:.6}

.hero-card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius:20px;
  padding:18px;
}
.hero-card h2{margin:0 0 10px; font-size:16px; letter-spacing:.2px}
.quick{list-style:none; padding:0; margin:0 0 10px}
.quick li{margin:8px 0}
.quick a{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 10px;
  border-radius:14px;
  border:1px solid transparent;
  color:rgba(229,231,235,.92);
  background: rgba(255,255,255,.02);
}
.quick a:hover{
  border-color:var(--line);
  background: rgba(255,255,255,.04);
}

.section{
  padding:56px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.section.alt{background: rgba(255,255,255,.02)}
h2{font-size:22px; margin:0 0 10px; letter-spacing:.2px}
.subhead{color:var(--muted); margin:0 0 22px; max-width:80ch}
.prose{max-width:80ch; color: rgba(229,231,235,.92)}
.prose p{margin:0 0 12px}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius:20px;
  padding:16px;
  min-height: 120px;
  position:relative;
}
.card h3{margin:0 0 8px; font-size:15px}
.card p{margin:0; color:rgba(229,231,235,.86); font-size:14px}
.linkcard{display:block}
.arrow{position:absolute; right:14px; bottom:12px; color:var(--muted)}

.engagement{margin-top:22px}
.bullets{margin:10px 0 0; padding-left: 18px; color:rgba(229,231,235,.9)}
.bullets li{margin:8px 0}
.muted{color:var(--muted)}
.footer{margin-top:18px}

.pubs{max-width: 92ch}
.pub-year{margin:22px 0 10px; font-size:16px; color: rgba(229,231,235,.92)}
.pub-list{margin:0 0 16px; padding-left: 18px}
.pub-list li{margin:10px 0; color: rgba(229,231,235,.88); font-size:14px}
.pub-title{color: rgba(229,231,235,.92)}
.pub-venue{color: var(--muted)}
.pub-authors{color: rgba(229,231,235,.80)}

.cv-grid{display:grid; grid-template-columns: 1fr 1fr; gap:18px}
.contact-grid{display:grid; grid-template-columns: 1fr 1fr; gap:14px}

@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .cv-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}

  /* keep ONLY top nav, make it horizontally scrollable */
  .navlinks{
    display:flex;
    gap:14px;
    overflow-x:auto;
    white-space:nowrap;
    -webkit-overflow-scrolling:touch;
    padding-bottom:6px;
  }

  /* optional: slightly smaller nav text on mobile */
  .navlinks{font-size:13px}
}