:root{
    --navy: #00205B;
    --navy-deep: #001438;
    --gold: #C69214;
    --bg: #FFFFFF;
    --bg-alt: #F5F7FA;
    --text: #17233C;
    --text-soft: #47536B;
    --border: #DCE1EA;
    --serif: 'Source Serif 4', Georgia, serif;
    --sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --maxw: 1360px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family: var(--sans);
    color: var(--text);
    background: var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;}
  img{max-width:100%; display:block;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 32px;}

  /* Skip link */
  .skip-link{
    position:absolute; left:-9999px; top:0; background:var(--gold); color:var(--navy-deep);
    padding:10px 16px; z-index:200; font-weight:600;
  }
  .skip-link:focus{left:16px; top:16px;}

  :focus-visible{
    outline: 2px solid var(--gold);
    outline-offset: 3px;
  }

  /* ===== Header / Nav ===== */
  header.site-header{
    background: var(--navy);
    color: #EAEFF7;
    position: sticky;
    top:0;
    z-index:100;
  }
  .nav-inner{
    display:flex; align-items:center; justify-content:space-between;
    padding: 16px 32px;
    max-width: var(--maxw); margin:0 auto;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
    font-family: var(--serif);
    font-weight:600;
    font-size:1.05rem;
    letter-spacing:0.02em;
    color:#fff;
    text-decoration:none;
  }
  .brand-mark{
    width:auto; height:34px;
    flex-shrink:0;
    display:block;
  }
  nav.primary-nav ul{
    list-style:none; display:flex; gap:2px; margin:0; padding:0;
  }
  nav.primary-nav a{
    text-decoration:none; color:#CBD5E8; font-size:0.92rem; font-weight:500;
    padding:10px 14px; display:block; border-bottom:2px solid transparent;
    transition: color .15s ease, border-color .15s ease;
  }
  nav.primary-nav a:hover, nav.primary-nav a:focus-visible{
    color:#fff; border-bottom-color: var(--gold);
  }
  .nav-toggle{ display:none; }

  /* ===== Hero ===== */
  .hero{
    background: var(--bg);
    border-bottom:1px solid var(--border);
  }
  .hero-inner{
    display:grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items:center;
    gap:56px;
    padding: 72px 32px 64px;
    max-width: var(--maxw); margin:0 auto;
  }
  .hero-text{
    animation: rise .7s ease both;
  }
  @keyframes rise{
    from{opacity:0; transform:translateY(14px);}
    to{opacity:1; transform:translateY(0);}
  }
  .hero-name{
    font-family: var(--serif);
    font-weight:600;
    font-size: clamp(2.1rem, 3.6vw, 2.9rem);
    line-height:1.12;
    margin:0 0 6px;
    color: var(--navy);
  }
  .hero-name .degree{
    font-size:0.55em;
    font-weight:400;
    color: var(--text-soft);
  }
  .hero-title{
    font-size:0.98rem;
    font-weight:600;
    letter-spacing:0.03em;
    color: var(--navy);
    margin: 0 0 2px;
  }
  .hero-org{
    font-size:0.98rem;
    color: var(--text-soft);
    margin:0 0 22px;
  }
  .hero-rule{
    width:56px; height:3px; background:var(--gold); margin:0 0 22px; border:0;
  }
  .hero-desc{
    font-size:1.08rem;
    color: var(--text);
    max-width: 46ch;
    margin: 0 0 30px;
  }
  .btn-row{ display:flex; gap:14px; flex-wrap:wrap; }
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    padding: 12px 22px;
    border-radius:2px;
    font-weight:600;
    font-size:0.95rem;
    text-decoration:none;
    border:1.5px solid var(--navy);
    transition: background .15s ease, color .15s ease, transform .1s ease;
  }
  .btn-primary{ background: var(--navy); color:#fff; }
  .btn-primary:hover{ background: var(--navy-deep); }
  .btn-secondary{ background:transparent; color:var(--navy); }
  .btn-secondary:hover{ background: var(--bg-alt); }

  .hero-photo{
    position:relative;
    animation: rise .8s ease .1s both;
  }
  .hero-photo img{
    width:100%;
    height:auto;
    max-height:520px;
    object-fit:contain;
    border-radius:3px;
  }

  /* ===== Section shell ===== */
  section{ padding: 68px 0; }
  .section-alt{ background: var(--bg-alt); }
  .section-head{
    margin-bottom: 36px;
  }
  .section-head h2{
    font-family: var(--serif);
    font-weight:600;
    font-size: 1.7rem;
    color: var(--navy);
    margin:0 0 10px;
  }
  .section-rule{
    width:44px; height:3px; background: var(--gold); margin:0 0 16px; border:0;
  }

  /* ===== Teaching ===== */
  .teaching-grid{
    display:grid;
    grid-template-columns: 1.3fr 1fr;
    gap:56px;
    align-items:start;
  }
  .teaching-quote{
    font-family: var(--serif);
    font-style:italic;
    font-size:1.28rem;
    color: var(--navy);
    margin: 0 0 18px;
    line-height:1.4;
  }
  .teaching-body p{
    color: var(--text-soft);
    font-size:1.02rem;
    margin: 0 0 16px;
  }
  .teaching-body a.more{
    color: var(--navy);
    font-weight:600;
    text-decoration:none;
    border-bottom:1.5px solid var(--gold);
    font-size:0.94rem;
  }
  .teaching-body a.more:hover{ color:var(--gold); }

  .recognition-card{
    background:#fff;
    border:1px solid var(--border);
    padding: 26px 28px;
  }
  .recognition-card h3{
    font-family: var(--serif);
    font-size:1.05rem;
    color: var(--navy);
    margin:0 0 18px;
    font-weight:600;
  }
  .award-list{ list-style:none; margin:0; padding:0; }
  .award-list li{
    display:grid;
    grid-template-columns: 52px 1fr;
    gap:14px;
    padding: 13px 0;
    border-top:1px solid var(--border);
    font-size:0.94rem;
  }
  .award-list li:first-child{ border-top:none; }
  .award-year{
    font-family: var(--serif);
    font-weight:600;
    color: var(--gold);
    font-size:0.98rem;
  }
  .award-name{ color: var(--text); }
  .award-sub{ display:block; color: var(--text-soft); font-size:0.85rem; margin-top:2px; }

  /* ===== Research ===== */
  .research-intro{
    max-width: 62ch;
    color: var(--text-soft);
    font-size:1.02rem;
    margin: 0 0 40px;
  }
  .research-grid{
    display:grid;
    grid-template-columns: repeat(5, 1fr);
    gap:1px;
    background: var(--border);
    border:1px solid var(--border);
  }
  .research-card{
    background:#fff;
    padding: 28px 20px;
    text-align:left;
  }
  .research-icon{
    width:34px; height:34px;
    margin-bottom:16px;
    color: var(--navy);
  }
  .research-card h3{
    font-family: var(--serif);
    font-size:1rem;
    font-weight:600;
    color: var(--navy);
    margin:0 0 8px;
    line-height:1.3;
  }
  .research-card p{
    font-size:0.87rem;
    color: var(--text-soft);
    margin:0;
    line-height:1.5;
  }
  .research-more{
    display:block;
    text-align:center;
    margin-top:34px;
    color: var(--navy);
    font-weight:600;
    text-decoration:none;
    font-size:0.94rem;
    border-bottom:1.5px solid var(--gold);
    padding-bottom:2px;
  }
  .research-more{ display:inline-block; }
  .research-more-wrap{ text-align:center; }

  /* ===== Quick links ===== */
  .quick-grid{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
  }
  .quick-card h3{
    display:flex; align-items:center; gap:10px;
    font-family: var(--serif);
    font-size:1.02rem;
    color: var(--navy);
    margin:0 0 10px;
    font-weight:600;
  }
  .quick-card .qicon{ width:20px; height:20px; flex-shrink:0; color: var(--gold); }
  .quick-card p{
    font-size:0.92rem;
    color: var(--text-soft);
    margin:0 0 12px;
  }
  .quick-card a.qlink{
    font-size:0.86rem;
    font-weight:600;
    color: var(--navy);
    text-decoration:none;
    border-bottom:1.5px solid var(--gold);
  }
  .quick-card a.qlink:hover{ color: var(--gold); }

  /* ===== Footer ===== */
  footer.site-footer{
    background: var(--navy-deep);
    color: #C9D3E6;
    padding: 40px 0;
    font-size:0.9rem;
  }
  .footer-inner{
    display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:16px;
  }
  .footer-name{ color:#fff; font-family:var(--serif); font-weight:600; font-size:1.02rem; margin:0 0 4px;}
  .footer-role{ margin:0; color:#9FADC9; }
  .footer-copy{ color:#9FADC9; text-align:right; }

  /* ===== Responsive ===== */
  @media (max-width: 900px){
    nav.primary-nav ul{ gap:0; }
    nav.primary-nav a{ padding:10px 9px; font-size:0.84rem; }
    .hero-inner{ grid-template-columns:1fr; gap:36px; padding:48px 24px 44px; }
    .hero-photo img{ max-height:320px; }
    .teaching-grid{ grid-template-columns:1fr; gap:36px; }
    .research-grid{ grid-template-columns: repeat(2,1fr); }
    .quick-grid{ grid-template-columns: repeat(2,1fr); gap:32px; }
    .wrap{ padding:0 24px; }
    .footer-inner{ flex-direction:column; align-items:flex-start; }
    .footer-copy{ text-align:left; }
  }
  @media (max-width: 560px){
    .nav-inner{ flex-direction:column; align-items:flex-start; gap:10px; padding:14px 20px;}
    nav.primary-nav ul{ flex-wrap:wrap; }
    .research-grid{ grid-template-columns: 1fr; }
    .quick-grid{ grid-template-columns: 1fr; }
    .btn-row{ width:100%; }
    .btn{ flex:1; justify-content:center; }
  }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .hero-text, .hero-photo{ animation:none; }
  }

/* ===== Subpage components ===== */
.pagehead{ background:var(--bg); border-bottom:1px solid var(--border); padding:52px 0 44px; }
.pagehead h1{ font-family:var(--serif); font-weight:600; font-size:clamp(1.8rem,3vw,2.3rem); color:var(--navy); margin:0 0 6px; }
.pagehead p{ color:var(--text-soft); font-size:1rem; margin:0; max-width:60ch; }
.pagehead .section-rule{ margin-top:14px; }

.plain p{ color:var(--text-soft); font-size:1.02rem; margin:0 0 16px; max-width:68ch; }
.plain-card{ background:#fff; border:1px solid var(--border); padding:32px 34px; max-width:68ch; }

.course-block{ margin-bottom:40px; }
.course-block:last-child{ margin-bottom:0; }
.course-block h3{ font-family:var(--serif); font-size:1.08rem; color:var(--navy); margin:0 0 14px; font-weight:600; }
.course-block ul{ list-style:none; margin:0; padding:0; }
.course-block li{ padding:9px 0; border-top:1px solid var(--border); font-size:.94rem; color:var(--text-soft); }
.course-block li:first-child{ border-top:none; }
.course-block li strong{ color:var(--text); font-weight:600; }

.photo-frame{ position:relative; margin-bottom:28px; background:var(--bg-alt); text-align:center; }
.photo-frame img{ width:auto; max-width:100%; max-height:520px; object-fit:contain; border-radius:3px; margin:0 auto; }
.photo-frame::after{ content:""; position:absolute; inset:0; border:1px solid var(--border); pointer-events:none; }

.note-quote{ font-size:.92rem; color:var(--text-soft); font-style:italic; margin:0 0 24px; }

nav.primary-nav a.active{ color:#fff; border-bottom-color:var(--gold); }

/* ===== Standalone link + publication list helpers ===== */
a.more{ color:var(--navy); font-weight:600; text-decoration:none; border-bottom:1.5px solid var(--gold); font-size:.92rem; }
a.more:hover{ color:var(--gold); }

.pub-list{ list-style:none; margin:0; padding:0; max-width:78ch; }
.pub-list li{ padding:14px 0; border-top:1px solid var(--border); font-size:.94rem; color:var(--text-soft); line-height:1.55; }
.pub-list li:first-child{ border-top:none; }
.pub-list a{ color:var(--navy); font-weight:600; text-decoration:none; border-bottom:1.5px solid var(--gold); }
.pub-list a:hover{ color:var(--gold); }