*, *::before, *::after {
  box-sizing: border-box;
}
html, body {
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #0f172a;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1000px; 
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  background: rgba(255, 255, 255, 0.75);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  z-index: 50;
  padding: 1rem; 
}

.nav-wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

nav a {
  margin-left: 18px;
  text-decoration: none;
  color: #0f172a;
  font-weight: 600;
  font-size: 14px;
}
nav a:hover {
  color: #0ea5a4;
}

main {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 20px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: center;
  padding: 28px;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff, #fbfeff);
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.04);
}
.hero h1 {
  margin: 0;
  font-size: 28px;
}
.hero p.lead {
  margin: 10px 0 14px;
  color: #334155;
}
.hero .meta {
  font-size: 14px;
  color: #475569;
  margin-top: 6px;
}

.cta-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(2, 6, 23, 0.06);
  text-decoration: none;
  font-weight: 600;
  background: #fff;
  cursor: pointer;
}

.btn.primary {
  background: #0ea5a4;
  color: white;
  border: none;
  box-shadow: 0 6px 18px rgba(14,165,164,0.12);
}

.card {
  padding: 16px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid rgba(2,6,23,0.04);
}

.links a {
  display: inline-block;
  margin-right: 10px;
  font-weight: 600;
  color: #0f172a;
  text-decoration: none;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  margin-top: 20px;
}

.section-title {
  font-size: 18px;
  margin: 0 0 8px;
}

.muted {
  color: #64748b;
  font-size: 14px;
}

.project {
  margin-bottom: 12px;
}
.project .meta {
  font-size: 13px;
  color: #475569;
}


.pubs li {
  margin-bottom: 8px;
}

footer {
  background-color: #ffffff;      
  text-align: center;             
  padding: 1rem;                  
  margin: 36px auto 60px;
  max-width: 1100px;
  color: #94a3b8;
  font-size: 14px;
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 18px;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  nav {
    display: none;
  }
  .mobile-nav {
    display: flex;
    gap: 8px;
  }
  .hero h1 {
    font-size: 22px;
  }
}

.kbd {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: #f1f5f9;
  border: 1px solid rgba(2,6,23,0.04);
  font-size: 12px;
}

.small {
  font-size: 13px;
  color: #475569;
}

a.anchor-link {
  color: inherit;
  text-decoration: none;
}