/* style.css */
:root{
  --bg: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --alt: #f8fafc;
  --accent: #0b3a8a;
  --accent-2: #0a2e6b;
  --card: #ffffff;

  --radius: 12px;
  --maxw: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

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

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 18px;
}

.skip-link{
  position:absolute;
  left:-999px;
  top: 10px;
  background: var(--text);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 9999;
}
.skip-link:focus{ left: 10px; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.header-inner{
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand-title{
  font-weight: 700;
  letter-spacing: 0.2px;
}
.brand-subtitle{
  font-size: 0.92rem;
  color: var(--muted);
}

.nav{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  justify-content: flex-end;
}
.nav a{
  font-size: 0.95rem;
  color: var(--text);
  padding: 6px 8px;
  border-radius: 8px;
}
.nav a:hover{
  background: var(--alt);
  text-decoration: none;
}

.hero{
  padding: 44px 0 26px;
}
.kicker{
  color: var(--muted);
  margin: 0 0 10px;
  font-size: 0.95rem;
}
h1{
  margin: 0 0 12px;
  line-height: 1.15;
  font-size: clamp(1.7rem, 2.6vw, 2.4rem);
}
.lead{
  margin: 0;
  color: var(--text);
  max-width: 80ch;
}

.cta-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 10px;
}
.btn{
  display: inline-block;
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-weight: 600;
}
.btn:hover{
  background: var(--alt);
  text-decoration: none;
}
.btn.primary{
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn.primary:hover{
  background: var(--accent-2);
  border-color: var(--accent-2);
}

.note{
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  background: var(--alt);
  border-radius: var(--radius);
  max-width: 80ch;
}

.section{
  padding: 34px 0;
}
.section.alt{
  background: var(--alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

h2{
  margin: 0 0 10px;
  font-size: 1.35rem;
}
h3{
  margin: 18px 0 10px;
  font-size: 1.1rem;
}
h4{
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.muted{ color: var(--muted); }
.small{ font-size: 0.92rem; }

.bullets{
  margin: 12px 0 0;
  padding-left: 18px;
}
.bullets li{ margin: 10px 0; }

.grid-2{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 12px 0 16px;
}
.cards{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.callout{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  margin: 14px 0;
}

.dates{
  max-width: 560px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.date-row{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
}
.date-row:first-child{ border-top: 0; }

.table-wrap{
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
.table{
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}
.table th, .table td{
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.table thead th{
  background: var(--alt);
  font-weight: 700;
}
.table tbody tr:last-child td{ border-bottom: 0; }

.people{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.person{
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}
.person .affil{
  margin: 6px 0 10px;
  color: var(--muted);
}

.site-footer{
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.sep{ margin: 0 6px; color: var(--muted); }

@media (max-width: 900px){
  .cards{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .callout{ grid-template-columns: 1fr; }
  .people{ grid-template-columns: 1fr; }
  .header-inner{ flex-direction: column; align-items: flex-start; }
  .nav{ justify-content: flex-start; }
}

.keynote{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 10px;
}
.keynote img{
  width: 96px;
  height: 96px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--alt);
  flex: 0 0 auto;
}
@media (max-width: 900px){
  .keynote{ flex-direction: column; }
}