:root{
  --header-h:90px;
  --ink:#111214;
  --muted:#5c6066;
  --accent:#c81e3a;
  --bg:#ffffff;
  --surface:#f7f7f8;
  --hair:#dcdde0;
  --radius:0px;
  --sans:'Space Grotesk',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}

@media (prefers-color-scheme: dark){
  :root{
    --ink:#ececec;
    --muted:#9aa0a6;
    --accent:#ff5d74;
    --bg:#111214;
    --surface:#1a1b1e;
    --hair:#2a2c30;
  }
}

*{box-sizing:border-box;}

html{scroll-behavior:smooth;scrollbar-gutter:stable;overflow-y:scroll;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.55;
  font-size:17px;
}

a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--hair);text-underline-offset:3px;}
a:hover{color:var(--accent);text-decoration-color:var(--accent);}

.wrap{max-width:1040px;margin:0 auto;padding:0 28px;}

/* Masthead */
.masthead{border-bottom:3px solid var(--ink);position:sticky;top:0;background:var(--bg);z-index:100;}
[id]{scroll-margin-top:calc(var(--header-h) + 16px);}
.masthead-row{display:flex;justify-content:space-between;align-items:baseline;padding-top:16px;padding-bottom:16px;flex-wrap:wrap;gap:10px;}
.masthead-title{font-weight:700;font-size:0.95rem;letter-spacing:0.01em;white-space:nowrap;}
.masthead-title a{color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:9px;}
.brand-mark{width:22px;height:22px;border-radius:50%;display:block;}
.masthead-nav{display:flex;gap:22px;font-family:var(--mono);font-size:0.74rem;text-transform:uppercase;letter-spacing:0.05em;flex-wrap:wrap;}
.masthead-nav a{color:var(--ink);text-decoration:none;white-space:nowrap;}
.masthead-nav a:hover,.masthead-nav a.active{color:var(--accent);}

.nav-toggle{
  display:none;background:none;border:1.5px solid var(--ink);
  padding:8px 12px;font-family:var(--mono);font-size:0.74rem;
  text-transform:uppercase;letter-spacing:0.05em;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}

/* Article header / hero */
.article-header{
  display:grid;grid-template-columns:2.2fr 1fr;grid-template-rows:auto auto;gap:40px;
  padding:48px 0 40px;border-bottom:1px solid var(--hair);
}
.hero-main{grid-column:1;grid-row:1;}
.hero-aside{grid-column:2;grid-row:1 / 3;align-self:start;}
.kicker{
  font-family:var(--mono);font-size:0.76rem;color:var(--accent);
  text-transform:uppercase;letter-spacing:0.08em;margin-bottom:14px;
}
h1{
  font-size:2.7rem;font-weight:700;letter-spacing:-0.02em;
  line-height:1.08;margin:0 0 18px;
}
.lede{font-size:1.08rem;color:var(--muted);max-width:56ch;margin:0 0 24px;}

.hero-about{grid-column:1;grid-row:2;margin-top:36px;padding-top:28px;border-top:1px solid var(--hair);max-width:56ch;}
.hero-about .section-label{margin-bottom:14px;}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.cta-row > a:not(.btn){
  font-family:var(--mono);font-size:0.78rem;color:var(--ink);
  text-transform:uppercase;letter-spacing:0.04em;text-decoration:none;padding:0 6px;
}
.cta-row > a:not(.btn):hover{color:var(--accent);}
.btn{
  font-family:var(--mono);font-size:0.8rem;text-transform:uppercase;letter-spacing:0.03em;
  padding:11px 18px;border:1.5px solid var(--ink);text-decoration:none;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.btn-solid{background:var(--ink);color:var(--bg);}
.btn-solid:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-logo{width:16px;height:18px;object-fit:contain;display:block;flex-shrink:0;}

.portrait-frame{
  border:1.5px solid var(--ink);aspect-ratio:4/5;overflow:hidden;margin-bottom:16px;
  background:var(--surface);
}
.portrait-frame img{width:100%;height:100%;object-fit:cover;display:block;}

.meta-card{border:1.5px solid var(--ink);padding:20px;font-size:0.86rem;align-self:start;}
.meta-card dt{
  font-family:var(--mono);font-size:0.7rem;text-transform:uppercase;letter-spacing:0.06em;
  color:var(--muted);margin-top:14px;
}
.meta-card dt:first-child{margin-top:0;}
.meta-card dd{margin:3px 0 0;font-weight:500;}
.meta-card a{color:var(--ink);}

/* Sections */
section{padding:44px 0;border-bottom:1px solid var(--hair);}
h2{
  font-family:var(--sans);font-size:1.7rem;font-weight:700;
  letter-spacing:-0.01em;margin:0 0 22px;
}
.section-label{
  font-family:var(--mono);font-size:0.75rem;color:var(--accent);
  text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px;
}

.prose{max-width:68ch;font-size:1.02rem;}
.prose p{margin:0 0 16px;}

.tag-strip{display:flex;flex-wrap:wrap;gap:22px;margin-top:20px;}
.tag-strip a{
  font-family:var(--mono);font-size:0.74rem;color:var(--ink);
  text-transform:uppercase;letter-spacing:0.05em;white-space:nowrap;
  text-decoration:none;
}
.tag-strip a:hover{color:var(--accent);}

/* Record table (appointments / education) - hairline grid, mono dates */
.record-table{border:1px solid var(--hair);border-top:1px solid var(--hair);}
.record-row{
  display:grid;grid-template-columns:120px 1fr;gap:20px;
  padding:16px 0;border-bottom:1px solid var(--hair);
}
.record-row:last-child{border-bottom:none;}
.record-date{font-family:var(--mono);font-size:0.78rem;color:var(--accent);padding-left:16px;}
.record-main{padding-right:16px;}
.record-title{font-weight:600;}
.record-meta{color:var(--muted);font-size:0.9rem;margin-top:2px;}

/* Stat row */
.stat-row{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--ink);width:fit-content;margin-top:24px;}
.stat{padding:14px 24px;border-right:1px solid var(--ink);}
.stat:last-child{border-right:none;}
.stat-value{font-family:var(--mono);font-size:1.3rem;font-weight:500;color:var(--accent);display:block;}
.stat-label{font-size:0.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.03em;}

/* Publications grid (selected, homepage) */
.pub-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:4px;}
.pub-item{background:var(--bg);padding:20px;}
.pub-year{font-family:var(--mono);font-size:0.74rem;color:var(--accent);margin-bottom:8px;}
.pub-title{font-weight:600;font-size:0.97rem;margin-bottom:6px;line-height:1.35;}
.pub-cite{color:var(--muted);font-size:0.84rem;}
.pub-item a{font-family:var(--mono);font-size:0.78rem;}

.view-all{margin-top:20px;}

/* Awards grid */
.award-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair);border:1px solid var(--hair);margin-top:4px;}
.award-card{background:var(--bg);padding:20px;}
.award-card--wide{grid-column:span 2;}
.award-year{font-family:var(--mono);font-size:0.74rem;color:var(--accent);margin-bottom:8px;}
.award-title{font-weight:600;margin-bottom:4px;}
.award-meta{color:var(--muted);font-size:0.86rem;}

/* Contact */
.contact-box{border:1.5px solid var(--hair);padding:30px;text-align:center;}
.contact-box p{color:var(--muted);margin-bottom:18px;}

footer.site-footer{
  border-top:3px solid var(--ink);padding:24px 0;text-align:center;
  color:var(--muted);font-size:0.8rem;font-family:var(--mono);
}

/* Teaching page */
.course-list{border:1px solid var(--hair);border-top:1px solid var(--hair);}
.course-card{padding:20px 24px;border-bottom:1px solid var(--hair);}
.course-card:last-child{border-bottom:none;}
.course-card h3{font-size:1.1rem;font-weight:700;margin:0 0 4px;}
.course-meta{font-family:var(--mono);color:var(--muted);font-size:0.82rem;margin-bottom:10px;text-transform:uppercase;letter-spacing:0.02em;}
.todo{
  font-family:var(--mono);color:var(--accent);background:var(--surface);border:1px solid var(--hair);
  padding:3px 10px;font-size:0.76rem;text-transform:uppercase;letter-spacing:0.03em;display:inline-block;
}

/* Publications full-list page */
.stat-note{font-size:0.82rem;color:var(--muted);margin-top:14px;}
.decade-nav{display:flex;flex-wrap:wrap;gap:0;margin:20px 0 0;border:1px solid var(--ink);width:fit-content;}
.decade-nav a{
  font-family:var(--mono);font-size:0.78rem;text-transform:uppercase;padding:9px 16px;
  color:var(--ink);text-decoration:none;border-right:1px solid var(--ink);
}
.decade-nav a:last-child{border-right:none;}
.decade-nav a:hover{background:var(--ink);color:var(--bg);}

.pub-year-group{margin-bottom:8px;}
.pub-year-heading{
  font-family:var(--mono);font-weight:700;font-size:0.82rem;color:var(--accent);
  text-transform:uppercase;letter-spacing:0.04em;
  border-top:2px solid var(--ink);padding-top:10px;margin:34px 0 10px;
}
.pub-flow-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--hair);}
.pub-flow-list li{padding:10px 0 10px 16px;font-size:0.95rem;border-bottom:1px solid var(--hair);}
.pub-flow-list li:last-child{border-bottom:none;}

.pub-list{list-style:none;margin:0;padding:0;border-left:1px solid var(--hair);}
.pub-list li{padding:10px 0 10px 16px;border-bottom:1px solid var(--hair);font-size:0.95rem;}
.pub-list li:last-child{border-bottom:none;}

@media (max-width:720px){
  .article-header{grid-template-columns:1fr;grid-template-rows:auto auto auto;}
  .hero-main{grid-column:1;grid-row:1;}
  .hero-aside{grid-column:1;grid-row:2;align-self:auto;}
  .hero-about{grid-column:1;grid-row:3;}
  h1{font-size:2rem;}
  .pub-grid,.award-grid{grid-template-columns:1fr;}
  .award-card--wide{grid-column:span 1;}
  .stat-row{display:grid;grid-template-columns:repeat(3,1fr);width:100%;}
  .stat{padding:14px 10px;text-align:center;}
  .record-row{grid-template-columns:1fr;gap:4px;padding:16px;}
  .record-date{padding-left:0;}
  .record-main{padding-right:0;}

  /* Mobile dropdown nav */
  .nav-toggle{display:block;}
  .masthead-nav{
    display:none;flex-basis:100%;flex-direction:column;gap:0;
    margin-top:14px;border-top:1px solid var(--hair);
  }
  .masthead-nav.is-open{display:flex;}
  .masthead-nav a{padding:12px 4px;border-bottom:1px solid var(--hair);}

  /* Photo + meta-card side by side, matched height */
  .hero-aside{display:flex;gap:14px;align-items:stretch;}
  .hero-aside .portrait-frame{aspect-ratio:auto;margin-bottom:0;flex:1 1 0;min-width:0;}
  .hero-aside .meta-card{flex:1 1 0;min-width:0;padding:14px;font-size:0.78rem;}
}

.btn-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    vertical-align: middle;
    margin-right: 8px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}