:root{
 --ink:#17232d; --muted:#5b6975; --blue:#0e6c99; --blue2:#0a4f70;
 --bg:#f6f9fb; --card:#fff; --line:#dce5ea; --tag:#eaf4f8; --soft:#eef3f6;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.66}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:auto;padding:0 22px}
header{background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.nav{min-height:62px;display:flex;align-items:center;gap:23px}.brand{font-weight:800;color:var(--ink);margin-right:auto}.nav a{font-size:.95rem}
.hero{padding:68px 0 44px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.eyebrow{font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:800}
h1{
  font-size:clamp(2.1rem,4.6vw,3.75rem);
  line-height:1.05;
  letter-spacing:-.035em;
  margin:.25rem 0 .75rem;
}

.hero-name .degree{
  font-size:.42em;
  font-weight:650;
  letter-spacing:0;
  color:var(--muted);
  vertical-align:middle;
  margin-left:.18em;
}
h2{font-size:1.72rem;line-height:1.25}h3{line-height:1.32}.lead{font-size:1.24rem;max-width:830px;color:#334754}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:23px 0}
.btn{display:inline-block;border:1px solid var(--blue);padding:9px 13px;border-radius:8px;font-weight:680;background:#fff}
.btn.primary{background:var(--blue);color:#fff}.btn:hover{text-decoration:none;filter:brightness(.98)}
main section{padding:34px 0}.section-title{margin:0 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:20px}.card h3{margin-top:0}
.muted{color:var(--muted)}.small{font-size:.9rem}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}.tag,.badge{background:var(--tag);color:var(--blue2);border-radius:999px;padding:4px 9px;font-size:.8rem;font-weight:650}
.badge{background:var(--soft);color:#4a5c69;margin-right:6px}
.stats{display:flex;gap:28px;flex-wrap:wrap;margin:25px 0 0}.stat strong{display:block;font-size:1.65rem;line-height:1.1}.stat span{color:var(--muted);font-size:.86rem}
.pub{padding:21px 0;border-top:1px solid var(--line)}.pub:first-of-type{border-top:0}.pub h3{margin:5px 0 6px;font-size:1.16rem}.meta{color:var(--muted);font-size:.93rem}.why{margin:.6rem 0 0}
.paper{max-width:860px;padding-top:32px}.paper h1{font-size:clamp(2rem,4.8vw,3.25rem)}.paper h2{margin-top:2.05rem;font-size:1.4rem}
.kicker{color:var(--muted);font-size:.96rem}.citation,.note{background:#fff;border-left:4px solid var(--blue);padding:14px 16px;margin:18px 0}
.breadcrumb{font-size:.9rem;margin-top:18px;color:var(--muted)}
.footer{border-top:1px solid var(--line);margin-top:44px;padding:28px 0 50px;color:var(--muted);font-size:.9rem}
ul.clean{padding-left:1.2rem}
.toolbar{display:grid;grid-template-columns:1fr 190px;gap:10px;margin:20px 0 26px}
.toolbar input,.toolbar select{width:100%;border:1px solid #cbd7de;background:#fff;border-radius:9px;padding:10px 12px;font:inherit;color:var(--ink)}
.group-title{margin:38px 0 4px;padding-bottom:8px;border-bottom:2px solid var(--line)}
.no-results{display:none;padding:24px 0;color:var(--muted)}
.downloads{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}
.latest{border-left:3px solid var(--blue)}
@media(max-width:680px){.nav{gap:13px;flex-wrap:wrap;padding:10px 0}.brand{width:100%}.hero{padding-top:42px}.toolbar{grid-template-columns:1fr}h1{letter-spacing:-.025em}.stats{gap:20px}}
.contact-row{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}

.email-link{
  appearance:none;
  border:0;
  background:none;
  padding:0;
  margin:0;
  color:var(--blue);
  font:inherit;
  cursor:pointer;
  font-weight:600;
}

.email-link:hover{
  text-decoration:underline;
}

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