:root{
  color-scheme: light;
  --ink:#171615;
  --muted:#5f5a52;
  --paper:#f7f2ea;
  --paper-deep:#ece4d6;
  --card:#fffaf0;
  --line:rgba(23,22,21,.16);
  --accent:#ff5a1f;
  --accent-dark:#8e3d1d;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:radial-gradient(circle at 10% 0,#fff7d9 0,#f7f2ea 34%,#ece4d6 100%);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR","Apple SD Gothic Neo",sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.shell{width:min(1160px,calc(100% - 40px));min-height:100vh;margin:0 auto;padding:28px 0 48px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.mark{font-weight:900;letter-spacing:.05em;text-decoration:none;text-transform:uppercase;font-size:14px}
.nav-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.lang,.github{min-height:44px;border:1px solid var(--ink);border-radius:999px;background:transparent;color:var(--ink);padding:9px 14px;text-decoration:none;font:inherit;font-size:14px;font-weight:800;cursor:pointer}
.lang.is-active{background:var(--ink);color:#fff}
.github{background:var(--accent);border-color:var(--accent);color:#fff}
.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:end;min-height:76vh;padding:52px 0 20px}
.hero-copy{max-width:760px}
.eyebrow{margin:0 0 18px;color:var(--accent-dark);font-size:12px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
h1{margin:0;font-family:ui-serif,Georgia,"Times New Roman","Noto Serif KR",serif;font-size:clamp(52px,8.2vw,108px);line-height:.9;letter-spacing:-.075em;max-width:860px}
.lead{max-width:780px;margin:28px 0 0;color:var(--muted);font-size:clamp(19px,2.15vw,25px);line-height:1.46}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border-radius:999px;padding:13px 20px;text-decoration:none;font-weight:900}
.primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}
.secondary{background:rgba(255,255,255,.52);border:1px solid var(--line);color:var(--ink)}
.local-note{margin-top:34px;padding:24px;border:1px solid var(--line);border-radius:26px;background:rgba(255,250,240,.84);box-shadow:0 20px 70px rgba(98,71,35,.08)}
.local-note h2{margin:0 0 8px;font-size:clamp(23px,2.4vw,32px);line-height:1.1;letter-spacing:-.04em}
.local-note p{margin:0;color:var(--muted);font-size:17px;line-height:1.62}
.principles-panel{border-left:1px solid rgba(23,22,21,.2);padding-left:30px}
.principles-panel>h2{margin:0 0 20px;font-size:19px;letter-spacing:-.02em}
.principles-panel article{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:18px 0;border-top:1px solid var(--line)}
.principles-panel span{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:var(--accent-dark);font-weight:900;font-size:13px}
.principles-panel h3{margin:0 0 5px;font-size:17px;letter-spacing:-.02em}
.principles-panel p{margin:0;color:#6d675d;font-size:15px;line-height:1.56}
:focus-visible{outline:3px solid rgba(255,90,31,.45);outline-offset:3px}
html[data-lang="ko"] h1{line-height:1.02;letter-spacing:-.065em;word-break:keep-all}
html[data-lang="ko"] .lead,html[data-lang="ko"] .local-note p,html[data-lang="ko"] .principles-panel p{word-break:keep-all;line-height:1.68}
@media(max-width:860px){
  .shell{width:min(100% - 32px,640px);padding:18px 0 36px}
  .topbar{align-items:flex-start;gap:14px}
  .mark{padding-top:12px}
  .hero{grid-template-columns:1fr;gap:30px;align-items:start;min-height:auto;padding:56px 0 10px}
  h1{font-size:clamp(48px,14vw,70px);letter-spacing:-.07em}
  .lead{font-size:19px}
  .principles-panel{border-left:0;border-top:1px solid rgba(23,22,21,.2);padding:24px 0 0}
  .nav-actions{gap:7px}
  .lang,.github{padding:8px 11px;font-size:13px}
}