:root{
  --bg: #f6f7fb;
  --panel: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --brand: #1f2937;
  --primary: #0f766e;
  --border: #e5e7eb;
  --shadow: 0 10px 30px rgba(0,0,0,.05);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink);
  background: linear-gradient(to bottom, #EAEFF5, #D7E1EC);
  min-height:100vh;
}

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

.container{width: min(1100px, 92vw); margin: 0 auto}

.site-header{
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,.75);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex; align-items: center; justify-content: space-between;
  padding: .8rem 0;
}

.brand{font-weight: 700; color: var(--brand); font-size: 1.1rem}

.nav a{margin-left: 1rem; font-weight: 500; color: var(--ink)}
.nav a.active{color: var(--primary)}

.nav-toggle{
  display: none; background: none; border: none; cursor: pointer;
}
.nav-toggle span{display:block; width:22px; height:2px; background: var(--ink); margin:4px 0}

@media (max-width: 780px){
  .nav{display:none; position:absolute; top:60px; right:16px; background: var(--panel); box-shadow: var(--shadow); border:1px solid var(--border); border-radius: 12px; padding:.75rem}
  .nav a{display:block; margin:.4rem 0}
  .nav.open{display:block}
  .nav-toggle{display:block}
}

.hero{
  padding: 3.5rem 0 2rem;
}
.hero-inner{
  display:grid; grid-template-columns: 1.2fr .8fr; gap: 2rem; align-items: center;
}
.hero-title{font-size: clamp(1.6rem, 2vw + 1rem, 2.4rem); line-height:1.2; margin:0 0 .6rem}
.hero-sub{color: var(--muted); margin: 0 0 1rem}
.hero-cta .btn{display:inline-block; margin-right:.6rem}
.hero-img img{width: auto; height: 500px; object-fit: cover; border-radius: 999px; box-shadow: var(--shadow); border: 4px solid rgba(255,255,255,.75)}

@media (max-width: 900px){
  .hero-inner{grid-template-columns: 1fr; text-align: left}
  .hero-img{order:-1}
}

.btn{
  padding: .65rem 1rem; border-radius: 12px; border:1px solid var(--border);
  background: var(--panel); color: var(--ink); font-weight: 600; box-shadow: var(--shadow)
}
.btn.primary{
  background: var(--primary); color: white; border-color: transparent
}

.highlights{padding: 1rem 0 2.5rem}
.grid-3{display:grid; grid-template-columns: repeat(3,1fr); gap: 1rem}
.card{background: var(--panel); padding: 1rem; border-radius: 16px; box-shadow: var(--shadow); border:1px solid var(--border)}
.card h3{margin:.2rem 0 .4rem}

@media (max-width: 900px){
  .grid-3{grid-template-columns: 1fr}
}

.page{padding: 2.2rem 0}
.page h1{margin-top:0}
.page .muted{color: var(--muted)}

.pub-list{line-height:1.6}
.pub-list .venue{color: var(--muted)}

.bullet-tight li{margin: .4rem 0}

.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 1rem
}
@media (max-width: 780px){ .contact-grid{grid-template-columns:1fr} }

.site-footer{
  margin-top: 2rem;
  background: rgba(255,255,255,.75);
  border-top:1px solid var(--border);
}
.footer-inner{
  display:flex; align-items:center; justify-content: space-between; padding: 1rem 0;
}
.footer-inner a{margin-left: .8rem}