:root{
  --ink:#172129;
  --muted:#667078;
  --paper:#f5f3ef;
  --white:#fff;
  --navy:#173b4c;
  --gold:#a98b5b;
  --line:#dedbd4;
  --shadow:0 20px 60px rgba(20,31,38,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Inter",Arial,Helvetica,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:auto;padding:0 28px}

/* header */
.top{position:sticky;top:0;z-index:30;background:rgba(245,243,239,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center}
.brand-logo{height:46px;width:auto;display:block;mix-blend-mode:multiply}
.links{display:flex;gap:22px;font-size:13px}
.links a{text-decoration:none;padding:4px 0;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease}
.links a:hover{border-color:var(--gold);color:var(--navy)}
.menu-toggle{display:none;background:none;border:1px solid var(--ink);border-radius:2px;width:42px;height:38px;position:relative;cursor:pointer}
.menu-toggle span{position:absolute;left:9px;right:9px;height:1px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.menu-toggle span:nth-child(1){top:14px}
.menu-toggle span:nth-child(2){top:19px}
.menu-toggle span:nth-child(3){top:24px}
.top.open .menu-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.top.open .menu-toggle span:nth-child(2){opacity:0}
.top.open .menu-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* hero */
.hero{min-height:82vh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:56px;padding:62px 0}
.kicker{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:700}
.signature-mark{max-width:380px;width:70%;filter:grayscale(100%);mix-blend-mode:multiply;margin:14px 0 18px}
h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(48px,6vw,82px);line-height:.98;margin:0 0 22px;letter-spacing:-.035em}
.professional-id{margin:-8px 0 20px;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.lead{font-size:20px;color:#4c565d;max-width:660px}
.hero-photo{height:650px;border-radius:4px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.hero-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) contrast(1.06) brightness(.94);transition:filter .35s ease,transform .5s ease}
.hero-photo:hover img{filter:grayscale(100%) contrast(1.1) brightness(.99);transform:scale(1.015)}
.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,15,18,.06),rgba(8,15,18,.24));pointer-events:none}
.actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.btn{padding:13px 20px;border:1px solid var(--ink);text-decoration:none;font-size:13px;letter-spacing:.04em;transition:background .2s ease,color .2s ease,border-color .2s ease}
.btn:hover{background:var(--ink);color:#fff}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:var(--navy);border-color:var(--navy)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.badge{border:1px solid var(--line);padding:7px 10px;font-size:12px;background:rgba(255,255,255,.55)}

/* layout */
.grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:56px;align-items:start}
main section{padding:84px 0;border-top:1px solid var(--line)}
h2{font-family:Georgia,"Times New Roman",serif;font-size:42px;font-weight:400;line-height:1.1;margin:10px 0 26px}
h3{font-size:18px;margin:0 0 8px}
p{margin:0 0 18px}
.sidebar{position:sticky;top:104px;padding:26px;border-left:1px solid var(--line);font-size:14px}
.sidebar a{display:block;text-decoration:none;padding:8px 0;color:#49545b}
.sidebar a:hover{color:var(--navy)}
.sidebar strong{display:block;margin-bottom:10px}

/* timeline */
.timeline{display:grid;gap:0;margin-top:36px}
.event{display:grid;grid-template-columns:105px 1fr;gap:24px;padding:25px 0;border-top:1px solid var(--line)}
.year{color:var(--gold);font-weight:700}
.event p{color:var(--muted);margin:4px 0}

/* visuals */
.visual{height:500px;margin:38px 0 0;overflow:hidden;position:relative;background:#ddd}
.visual img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) contrast(1.06) brightness(.93);transition:filter .35s ease,transform .5s ease}
.visual:hover img{filter:grayscale(100%) contrast(1.1) brightness(.98);transform:scale(1.012)}
.visual.wide{height:620px}
.visual:after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);pointer-events:none}
.visual-caption{font-size:12px;color:var(--muted);margin-top:10px;letter-spacing:.02em}

/* cards */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:30px}
.card{background:#fff;padding:24px;border:1px solid #e8e4dc;min-height:150px}
.card p{font-size:14px;color:var(--muted);margin:0}
.publication-block{margin-top:42px;padding-top:30px;border-top:1px solid var(--line)}
.publication-card{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;margin-top:15px;padding:28px;background:var(--white);border:1px solid #e8e4dc}
.publication-card h3{font-family:Georgia,"Times New Roman",serif;font-size:24px;font-weight:400;line-height:1.25;max-width:650px}
.publication-card p{margin:4px 0 0}
.publication-journal{color:var(--navy);font-size:14px;font-weight:700}
.publication-authors{color:var(--muted);font-size:12px}
.section-credential{font-size:13px;color:var(--gold);letter-spacing:.02em;margin-top:-12px}

.quote{font-family:Georgia,"Times New Roman",serif;font-size:31px;line-height:1.35;color:var(--navy);max-width:760px;margin:30px 0}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:220px;gap:12px;margin-top:34px}
.gallery figure{margin:0;position:relative;overflow:hidden;background:#ddd}
.gallery figure:first-child{grid-column:span 2;grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) contrast(1.08) brightness(.92);transition:filter .35s ease,transform .5s ease}
.gallery figure:hover img{filter:grayscale(100%) contrast(1.12) brightness(.98);transform:scale(1.03)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:12px;letter-spacing:.03em;color:#fff;background:linear-gradient(180deg,transparent,rgba(8,15,18,.82));opacity:0;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease}
.gallery figure:hover figcaption{opacity:1;transform:translateY(0)}

/* stats */
.stat-band{display:grid;grid-template-columns:180px 1fr;gap:30px;align-items:center;margin:30px 0;padding:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-number{font-family:Georgia,"Times New Roman",serif;font-size:70px;line-height:.9}

/* locations */
.location-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.location-card{border:1px solid var(--line);padding:26px;background:#fff}
.location-card h3{margin:0 0 10px}
.location-card p{margin:0;color:var(--muted)}
.location-card .location-phone{margin-top:12px;color:var(--ink);font-size:14px}

/* contact */
.contact{background:#172129;color:#fff;padding:80px 0;margin-top:80px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact h2{font-size:48px;color:#fff}
.contact a{color:#fff}
.contact .btn{border-color:rgba(255,255,255,.6)}
.fine{opacity:.65;font-size:12px;margin-top:36px}
.footer-identity{margin:0 0 18px;font-size:13px;letter-spacing:.03em;line-height:1.7}
.contact-logo{height:30px;filter:invert(1) grayscale(1);opacity:.85;margin-bottom:26px}

@media(max-width:850px){
  .links{display:none}
  .menu-toggle{display:block}
  .top.open .links{display:flex;position:absolute;top:76px;left:0;right:0;background:var(--paper);flex-direction:column;padding:10px 28px 24px;gap:4px;border-bottom:1px solid var(--line)}
  .hero{grid-template-columns:1fr;padding-top:38px}
  .hero-photo{height:460px}
  .grid{grid-template-columns:1fr}
  .sidebar{display:none}
  .cards,.contact-grid,.location-grid{grid-template-columns:1fr}
  .publication-card{grid-template-columns:1fr;align-items:start}
  .event{grid-template-columns:75px 1fr}
  .visual.wide{height:400px}
  .stat-band{grid-template-columns:1fr}
  .stat-number{font-size:56px}
  .brand-logo{height:38px}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .gallery figure:first-child{grid-column:span 2;grid-row:span 1}
  .gallery figcaption{opacity:1;transform:translateY(0);padding:10px 12px;font-size:11px}
}