:root{
  --bg:#ffffff;
  --text:#15181c;
  --muted:#626a73;
  --line:#e2e6e9;
  --soft:#f5f7f9;
  --accent:#245c8f;
  --accent-dark:#173f67;
  --max:1040px;
  --pad:clamp(22px,4.5vw,52px);
  --sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{min-height:100vh;margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
main{flex:1}
img{display:block;max-width:100%}
::selection{background:#dce8f2;color:var(--text)}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.page-shell{width:min(calc(100% - (var(--pad) * 2)),var(--max));margin-inline:auto}
.skip-link{position:fixed;left:16px;top:12px;z-index:50;padding:9px 12px;background:var(--text);color:#fff;transform:translateY(-150%)}
.skip-link:focus{transform:none}

.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.98)}
.header-inner{min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.identity{font-size:15px;font-weight:650;letter-spacing:-.012em;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:23px;flex-wrap:wrap}
.site-nav a{font-size:13px;color:#535a62}
.site-nav a:hover{color:var(--accent)}
.site-nav a[aria-current="page"]{color:var(--text);font-weight:650}

.home-hero{min-height:calc(100svh - 69px);display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,310px);gap:clamp(56px,9vw,118px);align-items:center;padding:clamp(72px,10vw,126px) 0}
.home-copy{max-width:700px}
.intro-affiliation{margin:0 0 18px;font-size:13px;color:var(--muted)}
.home-copy h1{margin:0;font-size:clamp(46px,6vw,66px);line-height:1.03;font-weight:650;letter-spacing:-.045em}
.intro-role{margin:24px 0 0;max-width:690px;font-size:clamp(20px,2.2vw,25px);line-height:1.43;letter-spacing:-.015em;color:#292d32}
.intro-copy{margin:27px 0 0;max-width:680px;font-size:16px;line-height:1.72;color:#4c5259}
.intro-interests{margin:22px 0 0;max-width:720px;font-size:14px;line-height:1.7;color:#5d636a}
.intro-interests strong{color:#34383d;font-weight:600}
.home-portrait{margin:0;align-self:center}
.home-portrait img{width:100%;aspect-ratio:4/5;object-fit:cover;background:var(--soft)}

.page-main{padding-top:clamp(30px,3vw,42px);padding-bottom:clamp(64px,7vw,92px)}
.page-heading{max-width:760px;margin-bottom:clamp(34px,4vw,48px)}
.page-heading h1{margin:0;font-size:clamp(34px,4vw,44px);line-height:1.08;font-weight:650;letter-spacing:-.035em}
.page-heading p{margin:12px 0 0;max-width:720px;font-size:15px;line-height:1.62;color:var(--muted)}

.site-footer{border-top:1px solid var(--line)}
.footer-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:12px;color:var(--muted)}
.footer-inner a:hover{color:var(--accent)}

@media(max-width:760px){
  :root{--pad:20px}
  .header-inner{min-height:0;align-items:flex-start;padding-top:15px;padding-bottom:14px;flex-direction:column;gap:11px}
  .site-nav{gap:10px 17px}
  .site-nav a{font-size:12px}
  .home-hero{min-height:auto;grid-template-columns:1fr;gap:46px;padding:66px 0 80px}
  .home-copy h1{font-size:clamp(42px,12vw,58px)}
  .intro-role{font-size:20px}
  .intro-copy{font-size:15px}
  .home-portrait{width:min(72vw,300px)}
  .page-main{padding-top:30px;padding-bottom:64px}
  .page-heading h1{font-size:38px}
}

@media(max-width:430px){.site-nav{gap:9px 14px}.home-portrait{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}