@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Source+Serif+4:ital,wght@0,400;0,600;1,400&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  --ink:        #1E2521;
  --ink-2:      #262F29;
  --paper:      #F2EDE1;
  --paper-soft: #FBF8F1;
  --bronze:     #9C7A3C;
  --bronze-dk:  #7A5F2E;
  --verdigris:  #56776B;
  --ink-soft:   #46433C;
  --line:       #D9CFB8;
  --line-dark:  rgba(242,237,225,0.18);
  --max: 1080px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

h1,h2,h3{
  font-family:'Fraunces', Georgia, serif;
  color: var(--ink);
  font-weight:600;
  margin: 0 0 .5em 0;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4vw, 3.2rem); line-height:1.08; }
h2{ font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3{ font-size: 1.2rem; }

a{ color: var(--bronze-dk); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover{ color: var(--verdigris); }
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--verdigris);
  outline-offset: 3px;
}

.eyebrow{
  font-family:'IBM Plex Sans', sans-serif;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bronze-dk);
  font-weight:600;
}

/* ---------- Header / Nav ---------- */
.site-header{
  background: var(--ink);
  color: var(--paper);
  position: sticky; top:0; z-index: 50;
  border-bottom: 1px solid var(--line-dark);
}
.header-inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 20px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  color: var(--paper); text-decoration:none;
}
.brand img{ height:38px; width:auto; filter: invert(1) brightness(1.6); opacity:.92; }
.brand-text{ font-family:'Fraunces', serif; font-size: 1rem; line-height:1.15; }
.brand-text b{ display:block; font-size:1.02rem; font-weight:600; letter-spacing: .01em; }
.brand-text span{ font-family:'IBM Plex Sans',sans-serif; font-size:.66rem; letter-spacing:.12em; text-transform:uppercase; color: var(--bronze); }

nav.main-nav{ display:flex; gap: 4px; flex-wrap:wrap; }
nav.main-nav a{
  font-family:'IBM Plex Sans', sans-serif;
  font-size:.78rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color: var(--paper);
  text-decoration:none;
  padding: 8px 12px;
  border-radius: 3px;
  opacity:.82;
}
nav.main-nav a:hover{ opacity:1; background: rgba(242,237,225,0.08); color: var(--paper); }
nav.main-nav a[aria-current="page"]{
  opacity:1;
  color: var(--paper);
  box-shadow: inset 0 -2px 0 var(--bronze);
}
.nav-toggle{ display:none; }

@media (max-width: 760px){
  .header-inner{ flex-wrap:wrap; }
  nav.main-nav{
    width:100%;
    display:none;
    flex-direction:column;
    gap:0;
    border-top: 1px solid var(--line-dark);
    margin-top: 10px;
    padding-top: 6px;
  }
  nav.main-nav.open{ display:flex; }
  nav.main-nav a{ padding: 12px 6px; }
  .nav-toggle{
    display:inline-flex;
    background:none; border:1px solid var(--line-dark); color:var(--paper);
    font-family:'IBM Plex Sans',sans-serif; font-size:.78rem; letter-spacing:.06em;
    text-transform:uppercase; padding:8px 12px; border-radius:3px; cursor:pointer;
  }
}

/* ---------- Hero ---------- */
.hero{
  background: radial-gradient(120% 140% at 78% 8%, #2B342E 0%, var(--ink) 55%);
  color: var(--paper);
  position:relative;
  overflow:hidden;
}
.hero-inner{
  max-width: var(--max);
  margin:0 auto;
  padding: 76px 24px 92px;
  position:relative;
  z-index:2;
}
.hero-relief{
  position:absolute;
  right: -60px; top: -40px;
  width: 520px; max-width: 60vw;
  opacity: .16;
  filter: sepia(1) saturate(2) hue-rotate(-10deg) brightness(1.4) invert(1);
  pointer-events:none;
  z-index:1;
}
.hero h1{
  color: #FBF8F1;
  text-shadow: 0 2px 18px rgba(0,0,0,0.35);
}
.hero p.lede{
  max-width: 640px;
  font-size: 1.15rem;
  color: #D9D4C6;
  margin-top: 18px;
}
.hero .eyebrow{ color: var(--bronze); }

/* ---------- Sections ---------- */
.section{ max-width: var(--max); margin: 0 auto; padding: 64px 24px; }
.section-tight{ padding-top: 0; }
.section-alt{ background: var(--paper-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{ margin-bottom: 34px; max-width: 640px; }
.section-head p{ color: var(--ink-soft); }

/* ---------- Talk / lecture cards ---------- */
.talks-list{ display:flex; flex-direction:column; gap: 0; border-top:1px solid var(--line); }
.talk{
  display:grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom:1px solid var(--line);
}
.talk .date-badge{
  font-family:'IBM Plex Sans', sans-serif;
  color: var(--bronze-dk);
}
.talk .date-badge .day{ font-family:'Fraunces',serif; font-size:2rem; font-weight:600; color:var(--ink); line-height:1; }
.talk .date-badge .month{ font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; }
.talk .date-badge .time{ display:block; margin-top:6px; font-size:.82rem; color: var(--ink-soft); }
.talk h3{ margin-bottom: 4px; }
.talk .speaker{ font-family:'IBM Plex Sans',sans-serif; font-size:.88rem; color: var(--verdigris); font-weight:600; margin-bottom:8px; }
.talk .meta{ font-family:'IBM Plex Sans',sans-serif; font-size:.82rem; color:#7A776C; margin-top:10px; }

.talk.placeholder{ background: repeating-linear-gradient(135deg, transparent, transparent 10px, rgba(156,122,60,0.06) 10px, rgba(156,122,60,0.06) 20px); }
.placeholder-flag{
  display:inline-block;
  font-family:'IBM Plex Sans',sans-serif;
  font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  color:#8A5A2E; background:#F1E3C9; border:1px solid #E1C793;
  padding:2px 8px; border-radius:3px; margin-bottom:8px;
}

.note-box{
  background: var(--paper-soft);
  border:1px solid var(--line);
  border-left: 3px solid var(--bronze);
  padding: 18px 22px;
  font-family:'IBM Plex Sans',sans-serif;
  font-size:.9rem;
  color: var(--ink-soft);
  margin: 28px 0;
}

/* ---------- Two-col / grid ---------- */
.grid-2{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 48px; }
@media (max-width: 800px){ .grid-2{ grid-template-columns: 1fr; } }

.people-grid{ display:grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 4px 28px; margin-top:8px; }
.people-grid div{ padding: 6px 0; border-bottom:1px dashed var(--line); font-family:'IBM Plex Sans',sans-serif; font-size:.92rem; }

table.pub-list{ width:100%; border-collapse:collapse; margin-top: 10px; }
table.pub-list th{ text-align:left; font-family:'IBM Plex Sans',sans-serif; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--bronze-dk); border-bottom:1px solid var(--line); padding: 8px 10px 8px 0; }
table.pub-list td{ padding: 16px 10px 16px 0; border-bottom:1px solid var(--line); vertical-align:top; }
table.pub-list td.price{ font-family:'IBM Plex Sans',sans-serif; font-size:.82rem; white-space:nowrap; color:var(--ink-soft); }

.link-grid{ display:grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 10px 28px; margin-top: 10px;}
.link-grid a{ display:block; padding: 10px 0; border-bottom:1px dashed var(--line); font-family:'IBM Plex Sans',sans-serif; font-size:.92rem; text-decoration:none; }
.link-grid a:hover{ color: var(--verdigris); }
.link-grid .cat{ grid-column: 1 / -1; margin-top: 18px; }
.link-grid .cat:first-child{ margin-top:0; }

.contact-card{
  background: var(--ink); color: var(--paper);
  padding: 32px; border-radius: 4px;
}
.contact-card a{ color: var(--paper); }
.contact-card .eyebrow{ color: var(--bronze); }
.contact-card dl{ font-family:'IBM Plex Sans',sans-serif; font-size:.92rem; margin-top:16px; }
.contact-card dt{ color: var(--bronze); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; margin-top:14px; }
.contact-card dd{ margin:2px 0 0 0; }

.btn{
  display:inline-block;
  font-family:'IBM Plex Sans',sans-serif;
  font-size:.82rem; letter-spacing:.05em; text-transform:uppercase; font-weight:600;
  color: var(--paper); background: var(--bronze-dk);
  padding: 12px 20px; border-radius:3px; text-decoration:none; margin-top: 20px;
}
.btn:hover{ background: var(--verdigris); color: var(--paper); }

.sponsor-row{ display:flex; align-items:center; gap: 28px; flex-wrap:wrap; margin-top: 18px; }
.sponsor-row img{ height: 46px; width:auto; filter: grayscale(1) contrast(1.05); opacity:.8; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--ink); color: #B9B6AA;
  font-family:'IBM Plex Sans',sans-serif; font-size:.82rem;
}
.footer-inner{ max-width: var(--max); margin:0 auto; padding: 40px 24px; display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.footer-inner a{ color:#D9D4C6; }
.footer-links{ display:flex; gap:18px; flex-wrap:wrap; }

.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--bronze-dk); color:#fff; padding:10px 16px; z-index:100;
}
.skip-link:focus{ left: 16px; top: 16px; }