:root{
  --text:#111;
  --muted:#444;
  --link:#1a4fd7;
  --rule:#e9e9e9;
  --max: 1100px;
}

*{ box-sizing:border-box; }

html{ scroll-behavior: smooth; }

/* Base */
body{
  margin:0;
  background:#fff;
  color:var(--text);
  font:18px/1.75 "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

/* Layout */
.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 24px 60px;
}

/* Links */
a{ color:var(--link); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* Headings */
h1{
  font-size:56px;
  line-height:1.05;
  margin: 0 0 10px 0;
}

.subtitle{
  font-size:18px;
  margin: 0 0 10px 0;
  color: var(--muted);
}

/* Nav */
.nav{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  padding: 0 0 18px 0;
  margin: 0 0 22px 0;
}

.nav a{
  font-weight:700;
  font-size:15px;
  padding: 8px 12px;
  border-radius:12px;
  text-decoration:none;
}

.nav a:hover{
  background:#f5f7ff;
  text-decoration:none;
}

/* Hero block */
.hero{
  display:grid;
  grid-template-columns: 260px 1fr;
  gap:44px;
  align-items:start;
  margin: 22px 0 28px 0;
}

.headshot{
  width:260px;
  border-radius:16px;
  display:block;
}

.intro{
  font-size:17px;
  line-height:1.65;
  max-width:720px;
}

.intro p{
  margin: 0 0 12px 0;
  color: var(--muted);
}

/* Inline links under intro */
.links-inline{
  margin-top: 14px;
  font-size: 15px;
}

.links-inline a{ text-decoration:none; }
.links-inline a:hover{ text-decoration:underline; }

/* Sections (for other pages) */
.section{
  padding: 26px 0;
  border-top: 1px solid var(--rule);
}

.section h2{
  margin: 0 0 12px 0;
  font-size: 20px;
  letter-spacing: -0.2px;
}

.small{ color: var(--muted); font-size:14px; }

.pub{ margin: 0 0 14px 0; }

.pub-title{
  font-weight:700;
  color: var(--text);
}

.badge{
  display:inline-block;
  font-size:12px;
  padding: 2px 9px;
  border: 1px solid var(--rule);
  border-radius:999px;
  margin-left:8px;
  color: var(--muted);
  vertical-align:2px;
}

ul{
  margin: 8px 0 0 18px;
  color: var(--muted);
}

/* Footer */
footer{
  border-top: 1px solid var(--rule);
  margin-top: 32px;
  padding-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* Responsive */
@media (max-width: 820px){
  .hero{ grid-template-columns: 200px 1fr; gap: 28px; }
  .headshot{ width: 200px; }
  h1{ font-size: 48px; }
}

@media (max-width: 720px){
  .container{ padding: 28px 18px 56px; }
  .hero{ grid-template-columns: 1fr; gap: 18px; }
  .headshot{ width: 180px; }
  h1{ font-size: 42px; }
  .subtitle{ font-size: 17px; }
}