/* Reset & Base */
* { margin:0; padding:0; box-sizing:border-box }
body { font-family:sans-serif; background:#f8f9fa; color:#222 }

/* Header */
.site-header {
  display:flex; justify-content:space-between; align-items:center;
  padding:1rem 2rem; background:#fff;
  box-shadow:0 2px 4px rgba(0,0,0,0.1);
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-header h1 { font-size:1.5rem }
.site-header nav { display:flex; flex-wrap: wrap; gap: 0.5rem; }
.site-header nav a {
  margin-left:1.5rem; font-weight:bold;
  color:#222; text-decoration:none
}
.site-header nav a:hover { text-decoration:underline }

/* Mobile Header */
@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
  }
  .site-header nav {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: flex-start;
  }
  .site-header nav a {
    margin-left: 0;
    margin-right: 1rem;
    font-size: 0.9rem;
  }
}

/* Main */
main { padding:1rem 2rem; line-height:1.6 }
main h2 { margin-bottom:1rem }
main h3 { margin-left:1rem }
main p  { margin-bottom:2rem }

@media (max-width: 768px) {
  main { padding: 1rem; }
  main h2 { font-size: 1.3rem; }
}

/* Lists */
#resources-list,
#research-pub-list,
#more-pubs-list,
#pub-list,
#tools-list {
  list-style:none; padding-left:1rem; margin-bottom:2rem
}
#resources-list li,
#research-pub-list li,
#more-pubs-list li,
#pub-list li,
#tools-list li {
  margin:0 0 1rem 1rem
}

@media (max-width: 768px) {
  #resources-list li,
  #research-pub-list li,
  #more-pubs-list li,
  #pub-list li,
  #tools-list li {
    margin-left: 0;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
  }
  
  #resources-list,
  #research-pub-list,
  #more-pubs-list,
  #pub-list,
  #tools-list {
    padding-left: 0;
  }
}

/* Links */
#resources-list a,
#research-pub-list a,
#more-pubs-list a,
#pub-list a,
#tools-list a {
  color:rgb(43,59,116); text-decoration:none;
  display: inline-block;
  padding: 0.25rem 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
#resources-list a:visited,
#research-pub-list a:visited,
#more-pubs-list a:visited,
#pub-list a:visited,
#tools-list a:visited { color:inherit }
#resources-list a:hover,
#research-pub-list a:hover,
#more-pubs-list a:hover,
#pub-list a:hover,
#tools-list a:hover { text-decoration:underline }

/* Sections */
section {
  margin-bottom: 2rem;
}

/* Touch-friendly link sizing for mobile */
@media (max-width: 768px) {
  #resources-list a,
  #research-pub-list a,
  #more-pubs-list a,
  #pub-list a,
  #tools-list a {
    padding: 0.5rem 0;
    font-size: 1rem;
    line-height: 1.5;
  }
  
  main h3 {
    margin-left: 0;
    font-size: 1.1rem;
  }
  
  main p {
    margin-bottom: 1rem;
  }
}