@charset "UTF-8";
:root{--bg:#0d0d0d;--bg2:#161616;--bg3:#1f1f1f;--border:#2a2a2a;--text:#e8e8e8;--text2:#999;--accent:#1d9bf0;--radius:10px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.85 'Noto Sans KR','Malgun Gothic',-apple-system,sans-serif;word-break:keep-all}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link{position:fixed;top:-100px;left:15px;z-index:100;background:var(--accent);padding:12px}.skip-link:focus{top:10px}.section-shell{width:min(1160px,calc(100% - 64px));margin-inline:auto}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 32px;border-bottom:1px solid var(--border);background:var(--bg2)}.brand{display:block;flex-shrink:0}.brand-banner{width:auto;height:48px;object-fit:contain;border-radius:6px}.site-header nav{display:flex;align-items:center;gap:28px;font-size:12px}.site-header nav>a:hover{color:#6cc0fa}.nav-library{padding:9px 15px;border:1px solid #3a3a3a;border-radius:8px;background:var(--bg3)}.nav-library span{margin-left:12px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:1px;margin-bottom:18px}.live-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:65px;align-items:center;padding-block:56px}.hero-copy{padding-block:15px}h1{font-size:clamp(34px,3.6vw,48px);letter-spacing:-2px;line-height:1.45;font-weight:700;margin-bottom:24px}h1 em{font-style:normal;color:var(--accent)}.hero-description{font-size:14px;line-height:2;color:#a5a5a5;margin-bottom:30px}.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:12px 20px;border-radius:8px;font-size:13px;font-weight:600;border:1px solid transparent;transition:background .18s}.button-primary{background:var(--accent);color:#fff}.button-primary:hover{background:#1a8cd8}.text-link{font-size:12px;color:#c0c0c0}.text-link:hover{color:var(--accent)}.hero-footnote{display:flex;gap:15px;font-size:10px;color:#888;margin-top:27px}.hero-footnote span+span{border-left:1px solid #333;padding-left:15px}.hero-art{position:relative;border:1px solid #343434;border-radius:12px;overflow:hidden;background:#202328;aspect-ratio:1/1.1;max-height:485px}.hero-instructor{width:100%;height:100%;object-fit:cover;object-position:center 20%}.hero-art:after{content:'';position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.94));pointer-events:none}.hero-art-caption{position:absolute;z-index:1;left:26px;right:26px;bottom:24px}.hero-art-caption>span{font-size:10px;color:#78c9ff;border:1px solid #38658a;background:#102c41b0;padding:4px 9px;border-radius:20px}.hero-art-caption strong{display:block;font-size:25px;line-height:1.5;margin:10px 0;color:#fff}.hero-art-caption>a{font-size:11px;color:#c7c7c7}
.proof-strip{display:flex;align-items:center;gap:32px;padding:23px 0;border-block:1px solid var(--border)}.proof-strip>p{margin:0 auto 0 0;font-size:13px;color:#aaa}.proof-strip>div{display:flex;gap:7px;align-items:baseline}.proof-strip strong{font-size:26px;font-weight:600;line-height:1}.proof-strip span{font-size:11px;color:#999}.proof-strip>a{font-size:11px;border-left:1px solid #333;padding-left:25px}.proof-strip>a span{margin-left:12px;color:var(--accent)}.section-space{padding-block:78px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:30px}.section-heading h2,.author-copy h2,.faq-section h2{font-size:30px;font-weight:600;line-height:1.5;letter-spacing:-1px;margin:0}.section-heading>p{font-size:12px;color:#999;margin:0 0 4px;line-height:1.9}
.offering-grid,.reading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.offering-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg2);padding:24px;position:relative;overflow:hidden}.offering-card:before{content:'';position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent)}.offering-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.offering-top img{width:62px;height:62px;object-fit:cover;border:1px solid #333;border-radius:10px}.offering-top>span{font-size:12px;color:#777}.offering-card h3{font-size:17px;font-weight:600;margin-bottom:12px}.offering-card p{font-size:12px;line-height:2;color:#999;margin-bottom:22px}.card-caption{display:block;font-size:10px;color:#aaa;padding-top:16px;border-top:1px solid var(--border)}
.learning-section{background:var(--bg2);border-block:1px solid var(--border)}.example-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.example-tabs button{cursor:pointer;border-radius:20px;border:1px solid #343434;color:#999;background:var(--bg3);padding:7px 16px;font-size:12px}.example-tabs button[aria-pressed=true]{color:#fff;background:var(--accent);border-color:var(--accent)}.example-panel{border-top:1px solid var(--border);padding-top:25px}.example-panel h3{font-size:18px;font-weight:500}.learning-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:18px;align-items:center;margin:25px 0}.learning-flow article{border:1px solid #333;background:#1a1a1a;border-radius:8px;padding:20px;align-self:stretch}.learning-flow article>span{font-size:10px;color:var(--accent);font-weight:600}.learning-flow p{font-size:13px;margin:12px 0 0;line-height:1.9}.flow-arrow{color:var(--accent)}
.reading-card{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg2);overflow:hidden;transition:border-color .18s,transform .18s}.reading-card:hover{border-color:var(--accent);transform:translateY(-3px)}.reading-image{aspect-ratio:1.85;overflow:hidden;background:var(--bg3);border-top:3px solid var(--accent)}.reading-image img{width:100%;height:100%;object-fit:cover;object-position:top}.reading-body{padding:20px;display:flex;flex-direction:column;flex:1}.reading-label{color:var(--accent);font-size:10px;font-weight:600;margin-bottom:13px}.reading-body h3{font-size:16px;line-height:1.7;font-weight:600;margin-bottom:12px}.reading-body p{font-size:12px;line-height:1.9;color:#999;flex:1;margin-bottom:18px}.reading-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--border);padding-top:14px;font-size:10px;color:#aaa}.reading-note{font-size:11px;color:#888;margin:18px 0 0}
.author-section{display:grid;grid-template-columns:.65fr 1fr;gap:50px;padding:36px;border:1px solid var(--border);border-radius:12px;background:var(--bg2);align-items:center}.author-visual{width:min(280px,100%);margin:auto}.author-visual img{border-radius:8px;width:100%;aspect-ratio:1;object-fit:cover}.author-visual>span{display:block;font-size:9px;color:#888;letter-spacing:1px;margin-top:12px}.author-copy h2{font-size:28px}.author-copy p:not(.eyebrow){font-size:13px;color:#999;line-height:2;margin:20px 0}.author-copy a{color:var(--accent)}.subscription-box{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;padding:36px;border:1px solid #29445a;background:linear-gradient(110deg,#131e27,#161616 70%);border-radius:12px}.subscription-box h2{font-size:29px;line-height:1.5;font-weight:600;letter-spacing:-1px}.subscription-box p:not(.eyebrow){font-size:12px;color:#999;line-height:2}.subscription-box .button{margin-top:10px}.subscription-box aside{align-self:center;padding-left:32px;border-left:1px solid #333}.subscription-box aside div{display:flex;gap:14px;align-items:center;border-bottom:1px solid #2a2a2a;padding:17px 0}.subscription-box aside span{color:var(--accent);font-size:12px}.subscription-box aside strong{font-size:12px;font-weight:500}.subscription-box aside small{display:block;font-size:10px;color:#888;line-height:1.9;margin-top:20px}
.faq-section{display:grid;grid-template-columns:.8fr 1.3fr;gap:50px;padding-bottom:78px}.faq-section>div>.text-link{display:inline-block;margin-top:22px}.faq-list details{border-top:1px solid var(--border);padding:20px 0}.faq-list details:last-child{border-bottom:1px solid var(--border)}.faq-list summary{display:flex;justify-content:space-between;gap:18px;list-style:none;cursor:pointer;font-size:13px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';color:var(--accent)}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:12px;line-height:2;color:#999;margin:14px 20px 0 0}.faq-list a{color:var(--accent)}.site-footer{display:flex;align-items:center;gap:28px;padding-block:26px;border-top:1px solid var(--border)}.site-footer .brand-banner{height:36px}.site-footer p{font-size:11px;color:#888;margin:0}.site-footer>div{display:flex;gap:24px;margin-left:auto;font-size:11px}
@media(max-width:1000px){.hero{gap:35px}.hero-art-caption strong{font-size:22px}.proof-strip{gap:20px}.proof-strip>a{padding-left:18px}.section-heading h2{font-size:28px}.offering-card{padding:20px}.author-section{gap:30px}.subscription-box{gap:30px;padding:30px}.learning-flow{gap:12px}}
@media(max-width:760px){.section-shell{width:calc(100% - 32px)}.site-header{padding:12px 16px;gap:15px;flex-wrap:wrap}.brand-banner{height:40px}.site-header nav{gap:15px;font-size:11px}.site-header nav>a:first-child{display:none}.nav-library{padding:8px 11px}.nav-library span{margin-left:6px}.hero{grid-template-columns:1fr;gap:25px;padding-block:35px}.hero-copy{padding:0}h1{font-size:35px;letter-spacing:-1.5px;line-height:1.45}.hero-description{font-size:13px;margin-bottom:24px}.eyebrow{font-size:10px;margin-bottom:17px}.actions{gap:19px}.button{font-size:12px;padding:12px 17px}.text-link{font-size:11px}.hero-footnote{font-size:9px;gap:12px;margin-top:22px}.hero-footnote span+span{padding-left:12px}.hero-art{width:100%;height:360px;aspect-ratio:auto;max-width:450px;margin-inline:auto}.hero-instructor{object-position:center 25%}.hero-art-caption{left:22px;bottom:20px}.hero-art-caption strong{font-size:24px}.proof-strip{flex-wrap:wrap;gap:20px}.proof-strip>p{width:100%;font-size:12px}.proof-strip strong{font-size:24px}.proof-strip>a{border:0;padding-left:0;width:100%}.section-space{padding-block:52px}.section-heading{display:block;margin-bottom:25px}.section-heading h2,.faq-section h2{font-size:27px}.section-heading>p{font-size:12px;margin-top:18px}.offering-grid,.reading-grid{grid-template-columns:1fr;gap:16px}.offering-card{padding:22px}.offering-top{margin-bottom:18px}.offering-top img{width:54px;height:54px}.offering-card p{font-size:13px}.learning-flow{grid-template-columns:1fr;gap:9px}.flow-arrow{justify-self:center;transform:rotate(90deg)}.learning-flow article{padding:18px}.example-tabs button{font-size:11px;padding:7px 13px}.reading-image{aspect-ratio:2}.reading-body h3{font-size:17px}.reading-note{font-size:10px;line-height:1.9}.author-section{grid-template-columns:1fr;padding:24px;gap:25px}.author-visual{max-width:220px}.author-copy h2{font-size:27px}.subscription-box{grid-template-columns:1fr;padding:24px;gap:25px}.subscription-box h2{font-size:26px}.subscription-box aside{border-left:0;border-top:1px solid #333;padding:20px 0 0}.faq-section{grid-template-columns:1fr;gap:28px;padding-bottom:52px}.site-footer{flex-wrap:wrap;gap:18px}.site-footer>div{margin-left:0;width:100%}.site-footer p{font-size:10px}.site-footer .brand-banner{height:32px}}
@media(max-width:380px){.site-header nav{gap:10px}.brand-banner{height:36px}h1{font-size:33px}.actions{gap:16px}.button{gap:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}