:root { color-scheme: light; --paper:#fff; --wash:#f3f3f1; --ink:#111; --body:#4b4b4b; --muted:#777; --line:#dededb; --serif:Georgia,"Times New Roman",serif; font-family:"Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; color:var(--body); background:var(--paper); font-synthesis:none; text-rendering:optimizeLegibility; -webkit-font-smoothing:antialiased; }
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{min-width:280px;min-height:100vh;margin:0;font-size:14px}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible{outline:2px solid currentColor;outline-offset:4px}
::selection{background:#111;color:#fff}
.skip-link{position:fixed;top:-60px;left:15px;z-index:60;padding:12px;background:#111;color:#fff}
.skip-link:focus{top:12px}
.info-header{position:sticky;top:0;z-index:30;display:flex;height:72px;align-items:center;justify-content:space-between;gap:20px;padding:0 max(24px,calc((100vw - 1280px)/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(12px)}
.info-brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-size:18px;font-weight:800;letter-spacing:-.07em;white-space:nowrap}
.info-brand img{display:block;width:28px;height:28px}
.info-header nav{display:flex;align-items:center;gap:clamp(16px,3vw,38px)}
.info-header nav a{position:relative;padding:27px 0 25px;color:#555;font-size:11px;white-space:nowrap}
.info-header nav a:hover,.info-header nav a.is-current{color:#111}
.info-header nav a.is-current::after{position:absolute;right:0;bottom:0;left:0;height:2px;background:#111;content:""}
.info-main{max-width:1440px;margin:0 auto}
.about-hero{position:relative;display:flex;min-height:min(690px,calc(100svh - 72px));flex-direction:column;justify-content:space-between;overflow:hidden;padding:25px clamp(24px,7vw,104px) 22px;background:#111;color:#fff}
.about-hero::after{position:absolute;right:13%;bottom:20%;width:min(38vw,440px);aspect-ratio:1;border:1px solid rgba(255,255,255,.12);border-radius:50%;content:""}
.about-hero-top,.about-hero-bottom{position:relative;z-index:2;display:flex;justify-content:space-between;gap:16px;color:#aaa;font-size:10px;letter-spacing:.07em}
.about-hero-copy{position:relative;z-index:2;max-width:900px;margin:72px 0 94px}
.section-kicker{margin:0 0 15px;color:#767676;font-size:10px;font-weight:700;letter-spacing:.12em}
.about-hero .section-kicker{color:#aaa}
.about-hero h1,.brand-hero h1{margin:0;font-size:clamp(46px,8.2vw,112px);font-weight:600;line-height:1.12;letter-spacing:-.085em}
.about-hero h1 span{color:#888}
.about-hero-copy>p:not(.section-kicker){margin:26px 0 28px;color:#bdbdbd;font-size:clamp(13px,1.5vw,16px);line-height:1.9}
.button{display:inline-flex;min-height:46px;align-items:center;gap:30px;padding:0 16px;font-size:11px;font-weight:600}
.button-light{background:#fff;color:#111}
.button-light:hover{background:#dededb}
.hero-equation{position:absolute;right:clamp(35px,12vw,180px);bottom:28%;z-index:1;display:flex;width:210px;height:210px;align-items:center;justify-content:center;border:1px solid #3a3a3a;border-radius:50%;color:#777;transform:rotate(-11deg)}
.hero-equation span{position:absolute;top:35px;left:44px;color:#888;font-size:17px}
.hero-equation b{font-family:var(--serif);font-size:110px;font-weight:400}
.hero-equation small{position:absolute;bottom:34px;color:#999;font-size:9px;letter-spacing:.12em;transform:rotate(11deg)}
.story-section{padding:clamp(62px,8vw,116px) clamp(24px,7vw,104px)}
.story-opening{display:grid;grid-template-columns:1fr 2fr;column-gap:60px;row-gap:48px}
.story-opening>.section-kicker{padding-top:9px}
.story-opening-copy{max-width:760px}
.story-opening h2,.method-section>h2,.scope-callout h2{margin:0;color:var(--ink);font-size:clamp(30px,4.6vw,57px);font-weight:600;line-height:1.28;letter-spacing:-.07em}
.story-opening-copy>p{max-width:620px;margin:23px 0 0;color:var(--body);font-size:14px;line-height:2}
.count-strip{display:grid;grid-column:1/-1;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.count-strip>div{display:grid;min-height:118px;align-content:center;gap:7px;padding:18px clamp(12px,3vw,38px);border-right:1px solid var(--line)}
.count-strip>div:first-child{padding-left:0}
.count-strip>div:last-child{border-right:0}
.count-strip strong{color:var(--ink);font-size:clamp(20px,3vw,32px);font-weight:600;letter-spacing:-.06em}
.count-strip span{color:var(--muted);font-size:10px}
.method-section{background:var(--wash)}
.section-heading-line{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:27px}
.section-heading-line>.section-kicker,.section-heading-line>div>.section-kicker{margin-bottom:0}
.section-heading-line>span{color:var(--muted);font-size:10px}
.method-section>h2{margin-bottom:42px}
.method-list{border-top:1px solid #d1d1ce}
.method-list article{display:grid;min-height:114px;grid-template-columns:70px 1fr 40px;align-items:center;gap:18px;border-bottom:1px solid #d1d1ce}
.method-list article>span{color:#777;font-size:11px}
.method-list h3,.method-list p{margin:0}
.method-list h3{color:var(--ink);font-size:17px;font-weight:600;letter-spacing:-.04em}
.method-list p{max-width:680px;margin-top:7px;color:var(--muted);font-size:11px;line-height:1.85}
.method-list article>b{color:#999;font-family:var(--serif);font-size:26px;font-weight:400;text-align:right}
.principles-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.principles-grid article{min-height:260px;padding:25px 26px 20px 0;border-bottom:1px solid var(--line)}
.principles-grid article+article{padding-left:25px;border-left:1px solid var(--line)}
.principles-grid article>span{color:var(--muted);font-size:9px;letter-spacing:.1em}
.principles-grid h3{margin:25px 0 13px;color:var(--ink);font-size:23px;font-weight:600;line-height:1.45;letter-spacing:-.06em}
.principles-grid p{max-width:310px;margin:0;color:var(--muted);font-size:11px;line-height:1.95}
.scope-callout{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:clamp(38px,6vw,74px) clamp(24px,7vw,104px);background:#111;color:#fff}
.scope-callout .section-kicker{color:#999}
.scope-callout h2{max-width:480px;color:#fff;font-size:clamp(27px,4vw,45px)}
.scope-callout>p{align-self:end;max-width:550px;margin:0;color:#bcbcbc;font-size:12px;line-height:2}
.about-cta{display:flex;min-height:120px;align-items:center;justify-content:space-between;gap:20px;padding:25px clamp(24px,7vw,104px);border-bottom:1px solid var(--line)}
.about-cta p{margin:0;color:var(--ink);font-size:18px;font-weight:600;letter-spacing:-.04em}
.about-cta a{display:inline-flex;min-height:44px;align-items:center;gap:28px;padding:0 15px;background:#111;color:#fff;font-size:11px}
.about-cta a:hover{background:#3a3a3a}
.brand-main{padding-bottom:0}
.brand-hero{padding:clamp(68px,9vw,126px) clamp(24px,7vw,104px) 72px;border-bottom:1px solid var(--line)}
.brand-hero h1{color:var(--ink);font-size:clamp(50px,8vw,100px)}
.brand-hero h1 span{color:#888}
.brand-hero>p:last-child{margin:25px 0 0;color:var(--muted);font-size:13px;line-height:1.9}
.brand-section{padding:clamp(50px,7vw,86px) clamp(24px,7vw,104px)}
.section-heading-line h2{margin:9px 0 0;color:var(--ink);font-size:clamp(25px,3.5vw,38px);font-weight:600;letter-spacing:-.06em}
.section-heading-line>p:last-child{max-width:330px;margin:0;color:var(--muted);font-size:11px;line-height:1.8;text-align:right}
.logo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.logo-card{border:1px solid var(--line)}
.logo-preview{display:grid;min-height:194px;place-items:center;background:var(--wash)}
.logo-preview img{display:block;max-width:76%;height:auto}
.logo-preview-mark img{width:74px}
.logo-preview-lockup img{width:min(245px,80%)}
.logo-preview-wordmark img{width:min(245px,80%)}
.logo-preview-inverse{background:#111}
.logo-preview-inverse img{width:min(245px,80%)}
.asset-meta{display:flex;min-height:84px;align-items:center;justify-content:space-between;gap:12px;padding:15px;border-top:1px solid var(--line)}
.asset-meta h3,.asset-meta p{margin:0}
.asset-meta h3{color:var(--ink);font-size:12px;font-weight:600}
.asset-meta p{margin-top:5px;color:var(--muted);font-size:9px}
.download-link{flex:0 0 auto;color:var(--ink);font-size:10px;font-weight:600}
.download-link:hover{text-decoration:underline;text-underline-offset:3px}
.download-link span{margin-left:4px}
.color-section{background:var(--wash)}
.color-list{border-top:1px solid #d1d1ce}
.color-token{display:grid;width:100%;min-height:76px;grid-template-columns:42px minmax(150px,1fr) minmax(90px,auto) 52px;align-items:center;gap:14px;padding:12px 8px;border:0;border-bottom:1px solid #d1d1ce;background:transparent;text-align:left}
.color-token:hover{background:#e9e9e6}
.color-chip{display:block;width:32px;height:32px;background:var(--chip)}
.color-chip-border{border:1px solid var(--line-dark)}
.color-token strong,.color-token small{display:block}
.color-token strong{color:var(--ink);font-size:11px;font-weight:600}
.color-token small{margin-top:4px;color:var(--muted);font-size:9px}
.color-token code{color:var(--body);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px}
.copy-label{color:var(--muted);font-size:9px;text-align:right}
.color-token:hover .copy-label{color:var(--ink)}
.type-specimen{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.type-specimen>div{min-height:190px;padding:23px}
.type-specimen>div+div{border-left:1px solid var(--line)}
.type-specimen span,.type-specimen code{display:block;color:var(--muted);font-size:9px}
.type-specimen h3{margin:32px 0 25px;color:var(--ink);font-size:clamp(18px,2.5vw,28px);font-weight:600;letter-spacing:-.055em}
.type-specimen .math-sample{font-family:Georgia,"Times New Roman",serif;font-size:clamp(20px,2.8vw,32px);letter-spacing:-.02em}
.type-specimen code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.usage-section{padding-bottom:90px}
.usage-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.usage-grid article{min-height:182px;padding:20px 18px 10px 0;border-bottom:1px solid var(--line)}
.usage-grid article+article{padding-left:18px;border-left:1px solid var(--line)}
.usage-grid article>span{color:var(--muted);font-size:10px}
.usage-grid h3{margin:25px 0 10px;color:var(--ink);font-size:14px;font-weight:600}
.usage-grid p{margin:0;color:var(--muted);font-size:10px;line-height:1.9}
.brand-download-band{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:48px clamp(24px,7vw,104px);background:#111;color:#fff}
.brand-download-band .section-kicker{color:#999}
.brand-download-band h2{margin:0;font-size:clamp(28px,4vw,43px);font-weight:600;line-height:1.3;letter-spacing:-.065em}
.download-actions{display:grid;min-width:min(390px,48%);grid-template-columns:1fr 1fr;gap:0 22px;border-top:1px solid #414141}
.download-actions a{display:flex;min-height:49px;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid #414141;color:#ddd;font-size:10px}
.download-actions a:hover{color:#fff}
.info-footer{display:flex;min-height:75px;align-items:center;justify-content:space-between;gap:16px;padding:0 max(24px,calc((100vw - 1280px)/2));border-top:1px solid var(--line);color:var(--muted);font-size:10px}
.info-footer .info-brand{font-size:15px}
.info-footer .info-brand img{width:23px;height:23px}
.info-footer>a:last-child{color:var(--body)}
.info-footer>a:last-child:hover{text-decoration:underline;text-underline-offset:3px}
.copy-toast{position:fixed;right:22px;bottom:22px;z-index:40;padding:12px 16px;background:#111;color:#fff;font-size:11px;opacity:0;pointer-events:none;transform:translateY(6px);transition:opacity .16s,transform .16s}
.copy-toast.is-visible{opacity:1;transform:translateY(0)}
@media(max-width:800px){.about-hero{min-height:610px}.hero-equation{right:30px;bottom:17%;width:150px;height:150px}.hero-equation b{font-size:78px}.hero-equation span{top:22px;left:29px}.hero-equation small{bottom:23px;font-size:8px}.story-opening{grid-template-columns:1fr;gap:18px}.story-opening>.section-kicker{padding:0}.story-opening-copy>p{font-size:13px}.principles-grid{grid-template-columns:1fr}.principles-grid article,.principles-grid article+article{min-height:0;padding:22px 0;border-left:0}.principles-grid h3{margin:17px 0 10px;font-size:20px}.scope-callout{grid-template-columns:1fr;gap:20px}.scope-callout>p{font-size:11px}.logo-grid{grid-template-columns:1fr 1fr}.logo-card:last-child{grid-column:1/-1}.usage-grid{grid-template-columns:1fr 1fr}.usage-grid article:nth-child(3){padding-left:0;border-left:0}.brand-download-band{align-items:flex-start;flex-direction:column}.download-actions{width:100%;min-width:0}}
@media(max-width:560px){.info-header{height:auto;min-height:64px;flex-wrap:wrap;gap:2px;padding:10px 16px 0}.info-brand{font-size:16px}.info-brand img{width:25px;height:25px}.info-header nav{width:100%;justify-content:space-between;gap:12px}.info-header nav a{padding:13px 0 12px;font-size:9px}.about-hero{min-height:570px;padding:20px 20px 18px}.about-hero-top,.about-hero-bottom{font-size:8px}.about-hero-copy{margin:56px 0 90px}.about-hero h1{font-size:clamp(43px,11vw,62px)}.about-hero-copy>p:not(.section-kicker){font-size:12px}.hero-equation{right:20px;bottom:14%;width:125px;height:125px}.hero-equation b{font-size:66px}.hero-equation span{top:17px;left:23px;font-size:13px}.hero-equation small{bottom:18px;font-size:7px}.desktop-break{display:none}.story-section{padding:56px 20px}.story-opening h2,.method-section>h2{font-size:31px}.story-opening-copy>p{font-size:12px;line-height:1.9}.count-strip>div{min-height:90px;padding:12px 9px}.count-strip strong{font-size:17px}.count-strip span{font-size:8px}.method-section>h2{margin-bottom:26px}.method-list article{min-height:104px;grid-template-columns:28px 1fr 22px;gap:11px}.method-list h3{font-size:14px}.method-list p{font-size:9px}.method-list article>b{font-size:19px}.section-heading-line{align-items:flex-start;flex-direction:column;gap:8px}.principles-grid h3{font-size:19px}.scope-callout{padding:40px 20px}.scope-callout h2{font-size:29px}.about-cta{align-items:flex-start;flex-direction:column;justify-content:center;padding:26px 20px}.about-cta p{font-size:16px}.brand-hero{padding:62px 20px 44px}.brand-hero h1{font-size:clamp(45px,12vw,66px)}.brand-hero>p:last-child{font-size:11px}.brand-section{padding:46px 20px}.section-heading-line h2{font-size:28px}.section-heading-line>p:last-child{text-align:left}.logo-grid{grid-template-columns:1fr}.logo-card:last-child{grid-column:auto}.logo-preview{min-height:160px}.asset-meta{padding:12px}.asset-meta p{font-size:8px}.download-link{font-size:9px}.color-token{min-height:67px;grid-template-columns:36px minmax(70px,1fr) auto 35px;gap:8px;padding:10px 2px}.color-token code{font-size:9px}.color-chip{width:28px;height:28px}.type-specimen{grid-template-columns:1fr}.type-specimen>div{min-height:155px;padding:18px}.type-specimen>div+div{border-top:1px solid var(--line);border-left:0}.type-specimen h3{margin:22px 0 18px}.usage-grid article{min-height:178px;padding:17px 10px 12px 0}.usage-grid article+article{padding-left:10px}.usage-grid h3{margin:19px 0 8px;font-size:12px}.usage-grid p{font-size:9px}.brand-download-band{padding:38px 20px}.download-actions{grid-template-columns:1fr;gap:0}.info-footer{min-height:72px;flex-wrap:wrap;padding:12px 16px;font-size:9px}.info-footer>span{order:3;width:100%}.copy-toast{right:14px;bottom:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}