:root{
  --bg:#FAFAF8;
  --card:#FFFFFF;
  --ink:#1B1F24;
  --muted:#5F6670;
  --line:#E6E4DF;
  --line-strong:#D5D2CA;
  --text-2:#3C434B;
  --nav-bg:rgba(250,250,248,.85);
  --accent:#8A2436;
  --accent-deep:#651A28;
  --accent-tint:#F7ECEE;
  --teal:#0E8A7B;--teal-tint:#E8F4F1;
  --violet:#6D4FC2;--violet-tint:#F0EDFA;
  --amber:#B87A1F;--amber-tint:#FAF2E4;
  --green:#2E8B57;--green-tint:#EAF4EE;
  --rose:#B84A6B;--rose-tint:#F9EDF1;
  --serif:'Source Serif 4',Georgia,serif;
  --sans:'Inter',-apple-system,sans-serif;
  --mono:'JetBrains Mono',monospace;
  --shadow:0 1px 2px rgba(27,31,36,.04),0 8px 24px rgba(27,31,36,.06);
  --shadow-hover:0 2px 4px rgba(27,31,36,.06),0 14px 34px rgba(27,31,36,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{
  background-color:var(--bg);
  /* backgrounds, in order: garnet glow (top-left) / amber glow (top-right) / dot grid */
  background-image:
    radial-gradient(ellipse 1000px 620px at 25% -40px, rgba(138,36,54,.13), transparent 70%),
    radial-gradient(ellipse 720px 520px at 98% -20px, rgba(184,122,31,.11), transparent 70%),
    radial-gradient(rgba(27,31,36,.055) 1px, transparent 1px);
  background-size:auto, auto, 26px 26px;
  background-repeat:no-repeat, no-repeat, repeat;
  color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:960px;margin:0 auto;padding:0 24px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.ic{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;vertical-align:-3px;flex-shrink:0}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:50;background:var(--nav-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-family:var(--mono);font-size:14.5px;color:var(--ink);font-weight:500}
.brand:hover{text-decoration:none}
.brand .p{color:var(--accent)}
.nav-links{display:flex;gap:4px;align-items:center;list-style:none}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;padding:7px 12px;border-radius:8px;transition:background .15s,color .15s}
.nav-links a:hover{background:var(--accent-tint);color:var(--accent);text-decoration:none}
.nav-toggle{display:none;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:6px 11px;font-size:17px;color:var(--ink);cursor:pointer}
@media(max-width:800px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px 14px;align-items:stretch}
  .nav-links.open{display:flex}
  .nav-links a{display:block;text-align:center;padding:11px}
}

/* ---------- hero ---------- */
header{position:relative;overflow:hidden}
.hero{position:relative;display:grid;grid-template-columns:auto 1fr;gap:52px;align-items:center;padding:76px 0 68px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;color:var(--accent);background:var(--accent-tint);border:1px solid rgba(138,36,54,.18);padding:6px 13px;border-radius:100px;margin-bottom:22px}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:#2FA36B;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (prefers-reduced-motion: reduce){.kicker .dot{animation:none}}
h1{font-family:var(--serif);font-size:clamp(36px,5.5vw,54px);font-weight:600;line-height:1.1;letter-spacing:-.01em;margin-bottom:14px}
.role{font-size:16.5px;color:var(--muted);margin-bottom:6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.role b{color:var(--ink);font-weight:600}
.hero-bio{font-size:16.5px;color:var(--text-2);max-width:560px;margin:16px 0 28px}
.hero-bio a{font-weight:500}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:22px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 20px;border-radius:10px;font-size:14.5px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .12s,box-shadow .15s,background .15s,border-color .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(101,26,40,.3)}
.btn-primary:hover{background:var(--accent-deep);box-shadow:0 6px 18px rgba(101,26,40,.25)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.icon-row{display:flex;gap:8px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--muted);transition:color .15s,border-color .15s,transform .12s}
.icon-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-1px);text-decoration:none}
.icon-btn .ic{width:17px;height:17px}
.hero-photo{position:relative;justify-self:center}
.hero-photo img{position:relative;z-index:1;display:block;width:min(190px,52vw);aspect-ratio:1/1;object-fit:cover;border-radius:50%;border:3px solid var(--card);box-shadow:var(--shadow)}
.photo-fallback{position:relative;z-index:1;width:min(190px,52vw);aspect-ratio:1/1;border-radius:50%;border:1px solid var(--line);background:var(--card);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;color:var(--muted);box-shadow:var(--shadow)}
@media(max-width:800px){
  .hero{grid-template-columns:1fr;gap:36px;padding:52px 0;text-align:left}
  .hero-photo{justify-self:start}
  .hero-photo img,.photo-fallback{width:min(150px,44vw)}
}

/* ---------- sections ---------- */
section{padding:64px 0 6px}
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.sec-head .ic{width:19px;height:19px;color:var(--accent)}
h2{font-family:var(--serif);font-size:27px;font-weight:600;letter-spacing:-.01em}

/* ---------- news ---------- */
.news{list-style:none;border-left:2px solid var(--line);margin-left:8px;padding-left:26px}
.news li{position:relative;display:flex;gap:18px;margin-bottom:14px;font-size:15.5px;flex-wrap:wrap}
.news li::before{content:"";position:absolute;left:-31px;top:8px;width:8px;height:8px;border-radius:50%;background:var(--card);border:2px solid var(--accent)}
.news .d{font-family:var(--mono);font-size:12.5px;color:var(--muted);white-space:nowrap;min-width:78px;padding-top:3px}
.news .t{flex:1;min-width:240px;color:var(--text-2)}

/* ---------- cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:9px;background:var(--accent-tint);color:var(--accent)}
.c-teal{background:var(--teal-tint);color:var(--teal)}
.c-violet{background:var(--violet-tint);color:var(--violet)}
.c-amber{background:var(--amber-tint);color:var(--amber)}
.c-green{background:var(--green-tint);color:var(--green)}
.c-rose{background:var(--rose-tint);color:var(--rose)}
.t-teal{color:var(--teal)!important}
.t-violet{color:var(--violet)!important}
.t-amber{color:var(--amber)!important}
.t-green{color:var(--green)!important}
.t-rose{color:var(--rose)!important}
.tag.g-teal{background:var(--teal-tint);color:var(--teal)}
.tag.g-violet{background:var(--violet-tint);color:var(--violet)}
.tag.g-amber{background:var(--amber-tint);color:var(--amber)}
.tag.g-green{background:var(--green-tint);color:var(--green)}
.top-bar{height:3px;background:linear-gradient(90deg,var(--accent),var(--teal) 30%,var(--violet) 55%,var(--amber) 80%,var(--rose))}
.card-icon .ic{width:17px;height:17px}
.card-org{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.card h3{font-size:17px;font-weight:600;line-height:1.35;margin-bottom:4px}
.card .meta{font-size:13px;color:var(--muted);margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text-2);margin-bottom:14px}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
.tag{font-family:var(--mono);font-size:11.5px;background:var(--accent-tint);color:var(--accent-deep);padding:4px 10px;border-radius:6px}
.card-actions{display:flex;gap:10px;margin-top:16px}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px}

/* ---------- publication ---------- */
.pub{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:4px 14px 14px 4px;padding:26px 28px;box-shadow:var(--shadow)}
.pub-index{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-bottom:8px}
.pub h3{font-family:var(--serif);font-size:20px;font-weight:600;line-height:1.4;margin-bottom:8px}
.pub .meta{font-size:14px;color:var(--muted);margin-bottom:10px}
.pub p{font-size:15px;color:var(--text-2);margin-bottom:16px;max-width:700px}
@media(max-width:640px){.pub{padding:22px}}

/* ---------- education ---------- */
.edu{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:700px){.edu{grid-template-columns:1fr}}
.edu .grade{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px;background:var(--green-tint);color:var(--green);padding:4px 11px;border-radius:100px;margin-top:10px;align-self:flex-start}

/* ---------- awards ---------- */
.awards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.award{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;gap:14px;align-items:flex-start;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s}
.award:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.award .card-icon{width:34px;height:34px;flex-shrink:0}
.award h3{font-size:14.5px;font-weight:600;line-height:1.4}
.award p{font-size:12.5px;color:var(--muted);margin-top:2px}
.award .yr{font-family:var(--mono);font-size:11.5px;color:var(--amber);margin-top:4px;display:block}

/* ---------- skills ---------- */
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.skill-group{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow)}
.skill-group h3{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.skill-group h3 .ic{width:15px;height:15px;color:var(--accent)}
.skill-group .tags{margin-top:0}

/* ---------- training ---------- */
.training .card{flex-direction:row;gap:16px;align-items:flex-start;margin-bottom:12px}
.training .card p{margin-bottom:0}

/* ---------- footer ---------- */
footer{margin-top:76px;border-top:1px solid var(--line);background:var(--card)}
.foot-main{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding:40px 0}
.foot-main h2{font-size:22px;margin-bottom:4px}
.foot-main p{font-size:14.5px;color:var(--muted);max-width:420px}
.foot-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.colophon{border-top:1px solid var(--line);padding:16px 0 22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-family:var(--mono);font-size:12px;color:var(--muted)}
/* ---------- multi-page additions ---------- */
.nav-links a.active{background:var(--accent-tint);color:var(--accent)}
.page-head{padding:56px 0 8px}
.page-head .crumb{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-bottom:10px}
.page-head .crumb a{color:var(--muted)}
.page-head h1{font-family:var(--serif);font-size:clamp(30px,4.5vw,42px);font-weight:600;letter-spacing:-.01em;line-height:1.15;display:flex;align-items:center;gap:14px}
.page-head h1 .ic{width:26px;height:26px}
.page-head .lede{font-size:16.5px;color:var(--muted);max-width:620px;margin-top:10px}
.explore{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.explore a{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow);color:var(--ink);transition:transform .18s,box-shadow .18s,border-color .18s}
.explore a:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.explore h3{font-size:16.5px;font-weight:600;display:flex;align-items:center;justify-content:space-between}
.explore h3 .arr{color:var(--muted);transition:transform .18s}
.explore a:hover .arr{transform:translateX(3px);color:var(--accent)}
.explore p{font-size:13.5px;color:var(--muted)}

/* ---------- dark mode ---------- */
html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#12151B;
  --card:#1A1E25;
  --ink:#E9E7E2;
  --muted:#98A0AB;
  --line:#2B303A;
  --line-strong:#3A414D;
  --text-2:#C6CBD3;
  --nav-bg:rgba(18,21,27,.85);
  --accent:#D9758B;
  --accent-deep:#E693A6;
  --accent-tint:#2F1D23;
  --teal:#4CC5B3;--teal-tint:#14302C;
  --violet:#A78BF0;--violet-tint:#251F3A;
  --amber:#E2AB58;--amber-tint:#332710;
  --green:#66C494;--green-tint:#15291D;
  --rose:#E58BA6;--rose-tint:#321D26;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 8px 24px rgba(0,0,0,.30);
  --shadow-hover:0 2px 4px rgba(0,0,0,.40),0 14px 34px rgba(0,0,0,.45);
}
[data-theme="dark"] body{
  background-image:
    radial-gradient(ellipse 1000px 620px at 25% -40px, rgba(217,117,139,.10), transparent 70%),
    radial-gradient(ellipse 720px 520px at 98% -20px, rgba(226,171,88,.08), transparent 70%),
    radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
}
[data-theme="dark"] .btn-primary{color:#1C0E12}
[data-theme="dark"] .kicker{border-color:rgba(217,117,139,.30)}

/* theme toggle button */
.nav-right{display:flex;gap:8px;align-items:center;margin-left:14px}
.theme-toggle{cursor:pointer}
.theme-toggle .ic-sun{display:none}
[data-theme="dark"] .theme-toggle .ic-sun{display:block}
[data-theme="dark"] .theme-toggle .ic-moon{display:none}