:root{color-scheme:dark;--bg:#090909;--text:#f4f4f5;--muted:#919397;--soft:#b2b3b7;--line:#292a2c;--surface:#17181a;--control:#1d1e20;--control-hover:#303136}
:root[data-theme="light"]{color-scheme:light;--bg:#fafafa;--text:#1c1c1f;--muted:#74777d;--soft:#585b63;--line:#dfe0e4;--surface:#f0f0f2;--control:#ebebef;--control-hover:#dedee3}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);scroll-padding-top:100px}
body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text);font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}
a{color:inherit}button{font:inherit}a:focus-visible,button:focus-visible{outline:2px solid var(--text);outline-offset:5px}
.sticky-site-nav{position:sticky;top:0;z-index:100;background:var(--bg)}
.sticky-site-nav.is-scrolled{box-shadow:inset 0 -1px 0 var(--line)}
.topbar{max-width:1088px;height:80px;padding:0 32px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-name{font-size:14px;font-weight:750;text-decoration:none;letter-spacing:-.3px}
.header-actions,.header-nav{display:flex;align-items:center;gap:25px}
.header-link{text-decoration:none;font-size:13px;color:var(--muted);font-weight:600}
.header-link:hover{color:var(--text)}
.theme-switch{height:34px;min-width:88px;padding:0 13px;border:1px solid var(--line);border-radius:100px;background:var(--control);color:var(--text);display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:600;cursor:pointer}
.theme-switch:hover{background:var(--control-hover)}
.theme-switch svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.moon-icon{display:none}:root[data-theme="light"] .sun-icon{display:none}:root[data-theme="light"] .moon-icon{display:block}
main{width:100%;max-width:1088px;margin:auto;padding:58px 32px 64px;flex:1}
.project-hero{max-width:1024px;margin:0 auto 52px}
.eyebrow{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.055em;margin:0 0 22px}
h1{font-size:clamp(39px,5vw,58px);line-height:1.12;font-weight:740;letter-spacing:-.057em;margin:0;overflow-wrap:anywhere}
.subtitle{font-size:clamp(18px,2.2vw,22px);font-weight:500;line-height:1.48;margin:19px 0 0;letter-spacing:-.045em;color:var(--text);word-break:keep-all}
.project-facts{display:grid;grid-template-columns:155px 230px minmax(0,1fr) auto;align-items:center;column-gap:24px;margin:30px 0 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.project-fact{min-width:0;display:flex;flex-direction:column;gap:7px}
.project-fact dt{margin:0;color:var(--muted);font-size:11px;font-weight:600;line-height:1.4;letter-spacing:.005em}
.project-fact dd{margin:0;color:var(--text);font-size:13.5px;font-weight:640;line-height:1.5;letter-spacing:-.018em;word-break:keep-all}
.project-facts__action{display:flex;justify-content:flex-end;align-items:center;min-height:39px;padding-left:23px;border-left:1px solid var(--line)}
.project-facts__link{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:37px;padding:8px 12px;border:1px solid var(--line);border-radius:5px;background:transparent;color:var(--text);font-size:12.5px;font-weight:640;line-height:1.4;text-decoration:none;white-space:nowrap;transition:border-color .18s ease,background .18s ease}
.project-facts__link svg{display:block;flex:none;width:15px;height:15px;color:#77aaff}
:root[data-theme="light"] .project-facts__link svg{color:#145bc5}
a.project-facts__link:hover{border-color:var(--soft);background:var(--surface)}
.project-facts__link[aria-disabled="true"]{opacity:.45;cursor:default}
@media(max-width:800px){.project-facts{grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:22px 24px;padding:19px 0}.project-facts__action{min-height:0;padding-left:0;border-left:0;justify-content:flex-start}}
@media(max-width:560px){.project-facts{grid-template-columns:minmax(0,1fr);gap:0;margin-top:24px;padding:11px 0 15px}.project-fact{display:grid;grid-template-columns:85px minmax(0,1fr);align-items:baseline;gap:12px;padding:9px 0}.project-fact dd{font-size:13px}.project-facts__action{margin-top:9px;padding-top:15px;border-top:1px solid var(--line)}}
@media(prefers-reduced-motion:reduce){.project-facts__link{transition:none}}
.project-sections{max-width:860px;margin:auto;display:grid;gap:36px}
.project-section{border-top:1px solid var(--line);padding-top:23px}
.section-heading{display:flex;gap:20px;align-items:baseline;justify-content:space-between;margin-bottom:20px}
.section-heading h2{margin:0;font-size:19px;font-weight:500;letter-spacing:-.025em}
.section-heading span{font-size:11px;color:var(--muted);letter-spacing:.08em}
.content-space{min-height:240px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
@media(max-width:650px){.topbar{height:70px;padding:0 20px;gap:12px}.header-actions{gap:13px}.header-nav{gap:13px}.header-link{font-size:12px}.header-github{display:none}.theme-switch{min-width:76px;padding:0 10px}main{padding:38px 20px 45px}.project-hero{margin-bottom:36px}.subtitle{font-size:16px}.project-sections{gap:28px}.content-space{min-height:220px}}
/* Compact breathing room below the aligned project navigation/copyright row. */
main{padding-bottom:46px}
@media(max-width:900px){main{padding-bottom:40px}}
@media(max-width:640px){main{padding-bottom:30px}}