:root{
  --bg:#0b0c10;
  --fg:#e8e8ea;
  --muted:#b6b6bf;
  --card:#12131a;
  --line:#242536;
  --link:#93c5fd;
  --max: 980px;
}

*{ 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";
  background:var(--bg);
  color:var(--fg);
  line-height:1.55;
}

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

code{ color: var(--muted); }

.container{
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header{
  border-bottom:1px solid var(--line);
  background: linear-gradient(180deg, rgba(18,19,26,0.9), rgba(11,12,16,0.9));
}

.header-grid{
  display:grid;
  grid-template-columns: 1fr 160px;
  gap: 1.25rem;
  padding: 2.25rem 0 1.25rem 0;
  align-items:center;
}

.name{ margin:0; font-size:2.1rem; letter-spacing:0.2px; }
.tagline{ margin:0.25rem 0 0 0; color:var(--muted); }
.affil{ margin:0.25rem 0 0 0; color:var(--muted); }

.links{
  margin-top:0.8rem;
  display:flex;
  flex-wrap:wrap;
  gap:0.35rem;
  align-items:center;
}
.sep{ color:var(--muted); }

.photo-block{ display:flex; justify-content:flex-end; }
.headshot{
  width:160px;
  height:160px;
  object-fit:cover;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  background: var(--card);
}

.nav{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background: rgba(11,12,16,0.75);
  backdrop-filter: blur(10px);
  position: sticky;
  top:0;
  z-index: 10;
}

.nav-row{
  display:flex;
  flex-wrap:wrap;
  gap: 0.9rem;
  padding: 0.7rem 0;
}
.nav-row a{
  color: var(--fg);
  opacity: 0.9;
  font-size: 0.95rem;
}
.nav-row a:hover{ opacity:1; }

.section{
  padding: 2.1rem 0;
  border-bottom: 1px solid var(--line);
}
.section h2{
  margin:0 0 0.9rem 0;
  font-size:1.45rem;
  letter-spacing: 0.4px;
}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 1.05rem;
}

.publist{ padding-left: 1.1rem; }
.publist li{ margin: 0.75rem 0; }
.pubtitle{ font-weight: 650; }
.pubmeta{ color: var(--muted); }
.publinks{ display:block; margin-top:0.25rem; }

.list{ list-style: none; padding:0; margin:0; }
.list li{
  padding: 0.75rem 0;
  border-bottom: 1px dashed rgba(36,37,54,0.65);
}
.list li:last-child{ border-bottom:none; }
.itemtitle{ font-weight: 650; }
.itemmeta{ color: var(--muted); }
.itemlinks{ margin-left: 0.35rem; }

.list-tight{ margin:0; padding-left: 1.05rem; }
.list-tight li{ margin: 0.35rem 0; }

.small{ font-size: 0.93rem; }
.muted{ color: var(--muted); }

/* PDF embed */
.pdf-wrap{
  width:100%;
  height: 80vh;
  border:1px solid var(--line);
  border-radius: 14px;
  overflow:hidden;
  background: var(--bg);
}
.pdf-wrap iframe{
  width:100%;
  height:100%;
  border:0;
}

/* Talk card */
.talk-card{
  display:flex;
  gap: 1rem;
  align-items: stretch;
}
.talk-thumb{
  display:block;
  width: 220px;
  flex: 0 0 220px;
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid var(--line);
}
.talk-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.talk-body{ display:flex; flex-direction:column; gap:0.25rem; }

/* Gallery */
/* Container CSS: Defines the side-by-side orientation */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* Desktop default: 3 columns side-by-side */
  gap: 1.5rem; /* Space between the images */
  margin-top: 2rem;
}

/* Individual Item CSS: Groups picture and text */
.gallery-item {
  margin: 0; /* Reset default browser figure margins */
  padding: 0;
  display: flex;
  flex-direction: column; /* Stack caption below image */
  align-items: center;
}

/* Image CSS: Ensures high-quality images fit nicely */
.gallery-item img {
  width: 100%;
  height: 250px; /* Force consistent height for uniformity */
  object-fit: cover; /* Crop image rather than distorting it to fit the height */
  border-radius: 4px; /* Optional: adds a slight corner curve */
}

/* Caption CSS: Small text below the image */
.photo-caption {
  font-size: 0.85rem;
  color: #666; /* Match your "muted small" style */
  margin-top: 0.75rem;
  text-align: center;
}

/* Responsive Design for smaller screens (like mobile phones) */
@media (max-width: 768px) {
  .gallery {
    grid-template-columns: repeat(1, 1fr); /* Switches to 1 column stacked on mobile */
    gap: 2rem;
  }
  
  .gallery-item img {
    height: auto; /* Allow image to show full height on mobile */
  }
}

.footer{ padding: 1.4rem 0; }
.footer-row{
  display:flex;
  justify-content:space-between;
  gap: 1rem;
  flex-wrap:wrap;
}

@media (max-width: 720px){
  .header-grid{ grid-template-columns: 1fr; }
  .photo-block{ justify-content:flex-start; }
  .headshot{ width:140px; height:140px; }
  .grid-2{ grid-template-columns: 1fr; }
  .talk-card{ flex-direction:column; }
  .talk-thumb{ width:100%; flex: 0 0 auto; }
  .gallery img{ height: 240px; }
}