/* A restrained researcher's homepage; adapted from the accepted AIOE.RUN v0.2 typography. */
:root{color-scheme:light;--bg:#faf9f6;--ink:#252c2b;--secondary:#66706d;--quiet:#87908b;--line:#d9ddda;--forest:#335849;--focus:#31664d;--max:1064px;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Noto Sans CJK KR","Malgun Gothic","Helvetica Neue",Arial,sans-serif;--serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{color:var(--forest)}
a:focus-visible,button:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
button{font:inherit;cursor:pointer}
.skip{position:absolute;left:1rem;top:-5rem;padding:.5rem 1rem;background:#fff;z-index:100}.skip:focus{top:1rem}
.page{max-width:var(--max);margin:0 auto;padding:0 48px}
.header{height:90px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:32px}
.identity{font-size:16px;font-weight:640;letter-spacing:-.025em;text-decoration:none;white-space:nowrap}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:13px;color:var(--secondary);text-decoration:none}
.nav a:hover{color:var(--ink)}
.lang{display:flex;align-items:center;border-left:1px solid var(--line);padding-left:19px;gap:2px}
.lang button{padding:5px 5px;background:none;border:0;color:var(--quiet);font-size:11px}
.lang button[aria-pressed="true"]{font-weight:700;color:var(--ink)}
.lang span{font-size:11px;color:#a8afaa;padding:0 1px}
.hero{padding-top:101px;padding-bottom:111px;max-width:780px}
.eyebrow{font-size:12px;color:var(--secondary);letter-spacing:.03em;margin:0 0 29px}
h1{margin:0 0 31px;font:400 clamp(58px,6vw,78px)/1.08 var(--serif);letter-spacing:-.053em}
.intro{margin:0;max-width:655px;color:#555f5b;font-size:16px;line-height:1.85;letter-spacing:-.007em}
.section{border-top:1px solid var(--line);padding:32px 0 69px}
.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin:0 0 28px}
.section-heading h2{font-size:17px;letter-spacing:-.02em;font-weight:620;line-height:1.4;margin:0}
.section-count{font-size:12px;color:var(--quiet)}
.projects{border-top:1px solid var(--line)}
.project{display:grid;grid-template-columns:170px minmax(0,1fr);gap:36px;padding:30px 0 35px;border-bottom:1px solid var(--line)}
.project-aside{font-size:12px;color:var(--secondary);line-height:1.6;padding-top:7px}
.project-title{margin:0 0 10px;font:400 32px/1.27 var(--serif);letter-spacing:-.035em}
.project-title a{text-decoration:none}
.project-title a:hover{text-decoration:underline;text-decoration-thickness:1px}
.project-description{max-width:595px;font-size:15px;line-height:1.78;color:#59635f;margin:0 0 16px}
.project-links{display:flex;flex-wrap:wrap;gap:19px}
.project-links a{font-size:12px;color:var(--forest);text-decoration:none;border-bottom:1px solid #b5c3bb;padding-bottom:2px}
.project-links a:hover{border-color:var(--forest)}
.contact-section{border-top:1px solid var(--line);display:grid;grid-template-columns:170px minmax(0,1fr);gap:36px;align-items:start;padding:45px 0 93px}
.contact-section h2{margin:0;font-size:17px;font-weight:620}
.contact-body{max-width:560px}
.contact-body p{margin:0 0 10px;display:grid;grid-template-columns:154px minmax(0,1fr);gap:12px;font-size:14px}
.contact-body p>span{color:var(--secondary)}
.contact-body a,.contact-body strong{font-weight:450;color:var(--ink)}
.footer{border-top:1px solid var(--line);padding:25px 0 38px;display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--quiet);font-size:12px}
@media(max-width:750px){
  .page{padding:0 24px}
  .header{height:74px;gap:14px}
  .identity{font-size:14px}
  .nav{gap:14px}
  .nav a{font-size:12px}
  .lang{padding-left:10px}
  .hero{padding-top:83px;padding-bottom:90px}
  h1{font-size:clamp(48px,9vw,66px)}
  .intro{font-size:15px;line-height:1.84}
  .project{grid-template-columns:1fr;gap:12px;padding:28px 0 32px}
  .project-aside{padding:0;font-size:11px}
  .project-title{font-size:31px}
  .project-description{font-size:14px}
  .contact-section{grid-template-columns:1fr;gap:18px;padding:35px 0 70px}
  .footer{align-items:flex-start;padding:24px 0 40px}
}
@media(max-width:410px){
  .page{padding:0 21px}
  .nav{gap:12px}
  .nav a[href="#contact"]{display:none}
  .contact-body p{grid-template-columns:90px minmax(0,1fr)}
  .contact-body p a{overflow-wrap:anywhere}
  .footer{flex-direction:column;gap:4px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}