:root{
    --crimson:#8c1d2c;
    --crimson-deep:#6e1622;
    --ink:#231f20;
    --muted:#6b6560;
    --bg:#fbf9f6;
    --card:#ffffff;
    --border:#e8e2da;
    --maxw:980px;
  }
  *{box-sizing:border-box;}
  html{font-size:18px;}
  body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.65;
  }
  h1,h2,h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;}
  a{color:var(--crimson);text-decoration:none;}
  a:hover{text-decoration:underline;}
  .banner{
    background:#fdf1e7;
    color:#7a4a1a;
    text-align:center;
    font-size:.85rem;
    padding:.5rem 1rem;
    border-bottom:1px solid #f0d9bd;
  }
  .banner-strip{
    height:120px;
    background:
      linear-gradient(90deg, var(--crimson) 0 28%, rgba(140,29,44,.55) 45%, rgba(0,0,0,.25) 100%),
      url("images/image05.jpg");
    background-size: cover;
    background-position: center;
    background-blend-mode: multiply, normal;
    display:flex;align-items:center;
    padding:0 1.5rem;
  }
  .banner-strip-inner{max-width:var(--maxw);margin:0 auto;width:100%;}
  .banner-strip h2{color:#fff;font-family:Georgia,serif;font-weight:400;font-size:1.65rem;margin:0;text-shadow:0 1px 3px rgba(0,0,0,.3);}
  .banner-strip .sub{color:#f3d9dd;font-size:.95rem;margin-top:.2rem;}
  .banner-strip + header.site .header-inner{justify-content:flex-start;}
  .banner-strip + header.site nav.site ul{gap:1.4rem;}

  header.site{
    border-bottom:1px solid var(--border);
    background:var(--card);
  }
  .header-inner{
    max-width:var(--maxw);
    margin:0 auto;
    padding:.9rem 1.5rem;
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:.6rem;
  }
  .wordmark{font-family:Georgia,serif;font-size:1.15rem;color:var(--ink);}
  .wordmark strong{color:var(--crimson);}
  nav.site ul{
    list-style:none;
    display:flex;
    flex-wrap:wrap;
    gap:1.4rem;
    margin:0;
    padding:0;
  }
  nav.site a{
    font-size:.92rem;
    font-weight:600;
    color:var(--ink);
    padding-bottom:3px;
    border-bottom:2px solid transparent;
  }
  nav.site a.current, nav.site a:hover{
    color:var(--crimson);
    border-bottom-color:var(--crimson);
    text-decoration:none;
  }

  .hero{
    max-width:var(--maxw);
    margin:0 auto;
    padding:3rem 1.5rem 2.5rem;
    display:flex;
    gap:2.2rem;
    align-items:center;
  }
  .hero img{
    width:150px;height:150px;border-radius:50%;object-fit:cover;
    box-shadow:0 8px 24px rgba(0,0,0,.12);
    flex-shrink:0;
  }
  .hero h1{font-size:2rem;margin:0 0 .3rem;color:var(--ink);}
  .hero .role{color:var(--crimson);font-weight:600;font-size:1rem;margin-bottom:.8rem;}
  .hero p{margin:0;color:#4a453f;font-size:1rem;}

  .bio-expand{margin-top:1rem;}
  .bio-expand summary{
    list-style:none;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    color:var(--crimson);
    font-weight:700;
    font-size:.92rem;
  }
  .bio-expand summary::-webkit-details-marker{display:none;}
  .bio-expand summary::before{
    content:"▸";
    display:inline-block;
    font-size:.75rem;
    transition:transform .15s ease;
  }
  .bio-expand[open] summary::before{transform:rotate(90deg);}
  .bio-expand summary:hover{text-decoration:underline;}
  .bio-expand-content{
    margin-top:.9rem;
    padding-top:.9rem;
    border-top:1px solid var(--border);
    max-width:640px;
  }
  .bio-expand-content p{margin:0 0 .9rem;color:#4a453f;font-size:.95rem;}
  .bio-expand-content p:last-child{margin-bottom:0;}

  .positions{
    max-width:var(--maxw);
    margin:0 auto 2.5rem;
    padding:0 1.5rem;
  }
  .positions .box{
    background:var(--card);
    border-left:4px solid var(--crimson);
    padding:1.1rem 1.4rem;
    border-radius:6px;
    box-shadow:0 1px 3px rgba(0,0,0,.04);
  }
  .positions h3{margin:0 0 .3rem;font-size:1.05rem;color:var(--ink);}
  .positions p{margin:0;font-size:.95rem;color:#4a453f;}
  .positions .video-link{display:inline-block;margin-top:.7rem;font-size:.85rem;font-weight:700;color:var(--crimson);}
  .positions .video-link:hover{text-decoration:underline;}

  main{
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 1.5rem 4rem;
    display:grid;
    grid-template-columns:1fr 260px;
    gap:3rem;
    align-items:start;
  }
  h2.section-title{
    font-size:1.5rem;
    margin:0 0 1.5rem;
    color:var(--ink);
  }
  .section-toggle{margin-bottom:1.5rem;}
  .section-toggle summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    gap:.5rem;
    font-size:1.5rem;
    font-family:Georgia,"Times New Roman",serif;
    font-weight:400;
    color:var(--ink);
    margin:0 0 1.5rem;
  }
  .section-toggle summary::-webkit-details-marker{display:none;}
  .section-toggle summary::before{
    content:"▸";
    display:inline-block;
    font-size:1.1rem;
    color:var(--crimson);
    transition:transform .15s ease;
  }
  .section-toggle[open] summary::before{transform:rotate(90deg);}
  .section-toggle summary:hover{color:var(--crimson);}
  .section-toggle .toggle-count{font-size:.9rem;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;font-weight:400;color:var(--muted);}
  .year-divider{
    font-size:.8rem;
    font-weight:700;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--crimson);
    margin:2rem 0 1rem;
    padding-bottom:.4rem;
    border-bottom:1px solid var(--border);
  }
  .year-divider:first-child{margin-top:0;}
  .timeline{border-left:2px solid var(--border);padding-left:1.5rem;}
  .news-item{position:relative;margin-bottom:1.8rem;}
  .news-item::before{
    content:"";
    position:absolute;
    left:-1.61rem;
    top:.4rem;
    width:9px;height:9px;
    border-radius:50%;
    background:var(--crimson);
  }
  .news-item .date{
    font-size:.78rem;
    color:var(--muted);
    font-weight:600;
    letter-spacing:.03em;
    margin-bottom:.25rem;
  }
  .news-item p{margin:.4rem 0 0;font-size:.97rem;color:var(--ink);}
  .news-item img{
    max-width:100%;
    border-radius:8px;
    margin-top:.7rem;
    display:block;
    box-shadow:0 1px 4px rgba(0,0,0,.08);
  }
  .news-item .thumb{
    float:left;
    width:52px;height:52px;
    object-fit:cover;
    border-radius:50%;
    margin:0 .8rem .4rem 0;
  }

  #more-news{display:none;}
  #more-news.shown{display:block;}
  .show-more-wrap{margin:.5rem 0 0 1.5rem;}
  button.show-more{
    background:transparent;
    color:var(--crimson);
    border:1.5px solid var(--crimson);
    padding:.55rem 1.3rem;
    border-radius:30px;
    font-size:.88rem;
    font-weight:700;
    cursor:pointer;
  }
  button.show-more:hover{background:var(--crimson);color:#fff;}
  .older-link{margin:1rem 0 0 1.5rem;font-size:.9rem;}

  aside{position:sticky;top:2rem;}
  .card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:10px;
    padding:1.3rem 1.4rem;
    margin-bottom:1.4rem;
  }
  .card h3{margin:0 0 .7rem;font-size:1rem;color:var(--ink);font-family:Georgia,serif;font-weight:400;}
  .card ul{list-style:none;margin:0;padding:0;font-size:.9rem;color:#4a453f;}
  .card li{padding:.3rem 0;}
  .card .links a{display:block;padding:.35rem 0;font-weight:600;font-size:.9rem;}

  footer{
    text-align:center;
    color:var(--muted);
    font-size:.82rem;
    padding:2rem 1.5rem;
    border-top:1px solid var(--border);
  }

  /* ---- interior page header (non-homepage pages) ---- */
  .page-hero{
    max-width:var(--maxw);
    margin:0 auto;
    padding:2.6rem 1.5rem 1.6rem;
  }
  .page-hero h1{font-size:1.9rem;margin:0 0 .5rem;color:var(--ink);}
  .page-hero p.lede{margin:0;color:#4a453f;font-size:1.02rem;}
  .page-hero .kicker{
    display:block;
    font-size:.78rem;
    font-weight:700;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--crimson);
    margin-bottom:.5rem;
  }

  /* ---- shared tag/badge chip ---- */
  .tag{
    display:inline-block;
    font-size:.72rem;
    font-weight:700;
    padding:.15rem .55rem;
    border-radius:20px;
    margin:0 .4rem .3rem 0;
    vertical-align:middle;
  }
  .tag-award{background:#fdf1e0;color:#8a5a00;border:1px solid #f0d9a8;}
  .tag-patent{background:#eaf3fb;color:#1a5a8a;border:1px solid #cfe3f4;}

  /* ---- publications ---- */
  .pub-toggle{display:flex;gap:.6rem;margin:0 0 2rem;}
  .pub-toggle button{
    background:var(--card);
    border:1.5px solid var(--border);
    color:var(--ink);
    padding:.5rem 1.1rem;
    border-radius:30px;
    font-size:.88rem;
    font-weight:700;
    cursor:pointer;
  }
  .pub-toggle button.active{background:var(--crimson);border-color:var(--crimson);color:#fff;}
  .pub-view{display:none;}
  .pub-view.active{display:block;}
  .pub-year, .pub-type{margin-bottom:2rem;}
  .pub-year-h{
    font-size:1.05rem;
    color:var(--crimson);
    margin:0 0 .9rem;
    padding-bottom:.4rem;
    border-bottom:1px solid var(--border);
    font-family:Georgia,serif;
    font-weight:400;
  }
  .pub-count{color:var(--muted);font-size:.85rem;font-weight:400;}
  .pub-item{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:8px;
    padding:.85rem 1.1rem;
    margin-bottom:.6rem;
  }
  .pub-item p{margin:.2rem 0 0;font-size:.93rem;line-height:1.55;color:#3a3632;}
  .pub-jump{
    display:flex;
    flex-wrap:wrap;
    gap:.4rem;
    margin-bottom:1.8rem;
    padding-bottom:1.4rem;
    border-bottom:1px solid var(--border);
  }
  .pub-jump a{
    font-size:.82rem;
    font-weight:600;
    color:var(--ink);
    background:var(--card);
    border:1px solid var(--border);
    padding:.25rem .6rem;
    border-radius:6px;
  }
  .pub-jump a:hover{color:var(--crimson);border-color:var(--crimson);text-decoration:none;}

  /* ---- research project cards ---- */
  .research-area-list{
    display:flex;
    flex-wrap:wrap;
    gap:.5rem;
    margin:0 0 2rem;
  }
  .research-area-list span{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:20px;
    padding:.4rem 1rem;
    font-size:.88rem;
    font-weight:600;
  }
  .project-card{
    background:var(--card);
    border:1px solid var(--border);
    border-left:4px solid var(--crimson);
    border-radius:8px;
    padding:1.1rem 1.3rem;
    margin-bottom:1rem;
  }
  .project-card .grant-id{font-size:.78rem;color:var(--muted);font-weight:600;letter-spacing:.02em;}
  .project-card h4{margin:.2rem 0 .3rem;font-size:1rem;color:var(--ink);}
  .project-card p{margin:0;font-size:.9rem;color:#4a453f;}
  .project-highlight{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:10px;
    padding:1.3rem 1.4rem;
    margin-bottom:1.2rem;
  }
  .project-highlight h4{margin:0 0 .8rem;font-size:1.15rem;color:var(--ink);font-family:Georgia,serif;font-weight:400;}
  .project-highlight p{margin:0 0 .8rem;font-size:.93rem;color:#4a453f;}
  .project-highlight .hl-body{display:flex;gap:1.6rem;align-items:flex-start;flex-wrap:wrap;}
  .project-highlight .hl-text{flex:1;min-width:260px;}
  .project-highlight .hl-media{flex:0 0 auto;display:flex;flex-direction:column;gap:.8rem;max-width:380px;}
  .project-highlight .hl-media img{max-width:100%;border-radius:8px;border:1px solid var(--border);}
  .hl-summary p{font-size:.98rem;color:var(--ink);}
  .hl-impact{background:rgba(140,29,44,.05);border-left:3px solid var(--crimson);padding:.8rem 1.1rem;border-radius:0 6px 6px 0;margin:.9rem 0 1.1rem;}
  .hl-impact-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--crimson);display:block;margin-bottom:.3rem;}
  .hl-impact p{margin:0;font-size:.9rem;color:#3a3632;}
  .selected-pubs{list-style:none;margin:.6rem 0 0;padding:0;}
  .selected-pubs li{font-size:.85rem;color:#5a554f;padding:.45rem 0;border-top:1px dashed var(--border);line-height:1.5;}
  .selected-pubs-label{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-top:1rem;display:block;}
  .project-highlight .hl-body + .selected-pubs-label{margin-top:1.3rem;padding-top:1.1rem;border-top:1px solid var(--border);}

  /* ---- simple committee/membership lists ---- */
  .simple-list{list-style:none;margin:0 0 1.8rem;padding:0;}
  .simple-list li{
    padding:.55rem 0;
    border-bottom:1px solid var(--border);
    font-size:.94rem;
    color:#3a3632;
  }
  .simple-list li:last-child{border-bottom:none;}

  /* ---- group member cards ---- */
  .member-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(160px,1fr));
    gap:1.4rem;
    margin-bottom:2rem;
  }
  .member-card{text-align:center;}
  .member-card img{
    width:100px;height:100px;border-radius:50%;object-fit:cover;
    margin-bottom:.6rem;
    box-shadow:0 3px 10px rgba(0,0,0,.1);
  }
  .member-card .name{font-weight:700;font-size:.92rem;color:var(--ink);}
  .member-card .role{font-size:.82rem;color:var(--crimson);font-weight:600;}

  /* ---- teaching course cards ---- */
  .course-card{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:10px;
    padding:1.2rem 1.4rem;
    margin-bottom:1rem;
    display:flex;
    justify-content:space-between;
    align-items:baseline;
    gap:1rem;
    flex-wrap:wrap;
  }
  .course-card h4{margin:0;font-size:1.02rem;color:var(--ink);}
  .course-card .course-num{font-size:.8rem;color:var(--muted);font-weight:600;}

  /* ---- group roster ---- */
  .roster-item{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:8px;
    padding:1rem 1.2rem;
    margin-bottom:.8rem;
  }
  .roster-item .r-name{font-weight:700;color:var(--ink);font-size:.98rem;}
  .roster-item .r-role{font-size:.8rem;color:var(--crimson);font-weight:600;margin-left:.3rem;}
  .roster-item .r-project{font-size:.9rem;color:#4a453f;margin-top:.35rem;}
  .roster-item .r-note{font-size:.87rem;color:#5a554f;margin-top:.4rem;}
  .roster-item .r-meta{font-size:.78rem;color:var(--muted);margin-top:.5rem;}
  .roster-item .r-meta a{font-weight:600;}
  .group-photos{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.6rem;min-width:0;}
  .group-photos img{flex:1 1 320px;min-width:0;max-width:100%;height:auto;display:block;border-radius:10px;}

  @media (max-width: 820px){
    main{grid-template-columns:1fr;}
    aside{position:static;}
    html{font-size:16.5px;}
    .hero{flex-direction:column;text-align:center;padding-top:2rem;}
    .hero img{width:120px;height:120px;}
    nav.site ul{gap:.9rem 1.1rem;}
    .page-hero h1{font-size:1.55rem;}
    .course-card{flex-direction:column;align-items:flex-start;}
    .banner-strip{height:90px;}
    .banner-strip h2{font-size:1.3rem;}
    .banner-strip .sub{font-size:.85rem;}
    .project-highlight .hl-body{flex-direction:column;}
    .project-highlight .hl-text{min-width:0;}
    .project-highlight .hl-media{max-width:100%;flex:1 1 auto;}
  }