:root{
  --bg:#f6f7f9;--surface:#fff;--ink:#111318;--muted:#69707d;--line:#e1e5eb;--soft:#eef1f5;
  --accent:#7c3aed;--accent-2:#4f46e5;--good:#0f9f6e;--warn:#b7791f;--bad:#c2414b;--demo:#94a3b8;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 28px rgba(16,24,40,.06);
  --radius:18px;--max:1220px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans KR",system-ui,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 48px));margin:auto}.site-header{height:68px;display:flex;align-items:center;gap:28px;padding:0 max(24px,calc((100vw - var(--max))/2));background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;margin-right:auto}.brand-mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:#111318;color:white;font-weight:800;font-size:13px}.brand strong{display:block;font-size:14px;line-height:1}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:4px;text-transform:uppercase;letter-spacing:.14em}.nav{display:flex;gap:24px;font-size:13px;font-weight:600;color:#394150}.nav a:hover{color:var(--accent)}.header-meta{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:7px}.live-dot{width:7px;height:7px;background:var(--good);border-radius:50%;box-shadow:0 0 0 4px rgba(15,159,110,.1)}
.hero{display:grid;grid-template-columns:1.55fr .65fr;gap:48px;align-items:center;padding:86px 0 72px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--accent);margin-bottom:14px}.hero h1,.section-heading h2,.method-grid h2{letter-spacing:-.05em;line-height:1.08;margin:0}.hero h1{font-size:clamp(44px,6vw,76px);font-weight:800;max-width:850px}.hero h1 span{color:var(--accent)}.hero-desc{font-size:18px;color:#4b5563;max-width:720px;margin:25px 0 30px}.hero-actions{display:flex;gap:10px}.btn{padding:12px 17px;border-radius:10px;font-size:13px;font-weight:700;border:1px solid var(--line)}.btn-primary{background:#111318;color:white;border-color:#111318}.btn-secondary{background:white}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-index-card{padding:28px}.card-kicker{font-size:10px;letter-spacing:.14em;color:var(--muted);font-weight:800}.baseline-row{display:flex;align-items:flex-end;justify-content:space-between;margin-top:20px}.baseline-row span{font-size:28px;font-weight:800}.baseline-row strong{font-size:54px;letter-spacing:-.05em;line-height:1;color:var(--accent)}.baseline-label{text-align:right;color:var(--muted);font-size:12px}.divider{height:1px;background:var(--line);margin:22px 0}.hero-index-card p{font-size:13px;color:var(--muted)}.mini-formula{background:var(--soft);padding:10px 12px;border-radius:9px;font:600 12px ui-monospace,SFMono-Regular,monospace}
.stat-strip{background:#111318;color:white}.stats{display:grid;grid-template-columns:repeat(4,1fr)}.stat{padding:22px 24px;border-right:1px solid #2d3138}.stat:last-child{border:0}.stat small{display:block;color:#a9b0bc;font-size:10px;text-transform:uppercase;letter-spacing:.12em}.stat strong{font-size:25px;letter-spacing:-.03em}.section{padding:82px 0}.section-muted{background:#eef1f5}.section-heading{margin-bottom:28px}.section-heading.split{display:flex;justify-content:space-between;gap:32px;align-items:flex-end}.section-heading h2,.method-grid h2{font-size:40px}.section-heading p{color:var(--muted);max-width:740px;margin:12px 0 0}.legend-block{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:11px}.legend-block span{display:flex;align-items:center;gap:7px}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot-glm{background:var(--accent)}.dot-model{background:#111318}.dot-demo{background:var(--demo)}
.map-grid{display:grid;grid-template-columns:1fr 290px;gap:18px}.chart-card{padding:20px}.chart-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.chart-toolbar strong{display:block;font-size:13px}.chart-toolbar small{color:var(--muted);font-size:10px}.chart-controls label{font-size:10px;color:var(--muted)}select,input{font:inherit;border:1px solid var(--line);border-radius:9px;background:white;padding:8px 10px;color:var(--ink)}.scatter{min-height:490px;position:relative}.scatter svg{width:100%;height:490px;display:block}.chart-note{font-size:10px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}.quadrant-card{padding:24px}.quadrant-card h3{margin:6px 0 20px;font-size:24px}.quad-list{display:grid;gap:15px}.quad-list>div{display:flex;gap:12px}.quad-list b{font-size:20px;color:var(--accent)}.quad-list strong{font-size:12px;display:block}.quad-list small{font-size:10px;color:var(--muted);display:block;margin-top:2px}.callout{margin-top:24px;padding:14px;border-radius:12px;background:#f4f0ff;font-size:11px;color:#5b4a7d}
.search-wrap input{width:220px}.table-card{overflow:hidden}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th{text-align:left;color:var(--muted);font-size:10px;letter-spacing:.06em;text-transform:uppercase;background:#fafbfc}th,td{padding:15px 17px;border-bottom:1px solid var(--line);white-space:nowrap}tbody tr:hover{background:#fafbff}.model-name{font-weight:700}.provider{color:var(--muted)}.index-pill{display:inline-flex;align-items:center;gap:6px;font-weight:800}.index-pill .bar{width:44px;height:5px;border-radius:3px;background:var(--soft);overflow:hidden}.index-pill .bar i{display:block;height:100%;background:var(--accent)}.status{font-size:9px;font-weight:800;letter-spacing:.06em;padding:5px 7px;border-radius:999px;background:#ecfdf5;color:#067647}.status.demo{background:#f1f5f9;color:#64748b}.status.fail{background:#fff1f2;color:#be123c}
.task-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.task-card{padding:20px}.task-card .num{font:800 11px ui-monospace,monospace;color:var(--accent)}.task-card h3{font-size:15px;margin:22px 0 8px}.task-card p{font-size:11px;color:var(--muted);margin:0}.task-card .tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:16px}.tag{font-size:9px;background:var(--soft);padding:4px 6px;border-radius:5px;color:#59616e}
.methodology-section{background:#111318;color:white}.method-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.method-grid .eyebrow{color:#a78bfa}.method-grid h2{font-size:44px}.method-steps{display:grid;gap:0}.method-steps article{display:grid;grid-template-columns:52px 1fr;gap:10px;padding:19px 0;border-bottom:1px solid #2b3038}.method-steps article:first-child{padding-top:0}.method-steps span{font:700 11px ui-monospace,monospace;color:#a78bfa}.method-steps h3{font-size:14px;margin:0 0 5px}.method-steps p{font-size:11px;color:#aeb6c2;margin:0}.method-steps code{color:#d8b4fe}.manifesto{padding-top:68px}.manifesto-card{border-left:4px solid var(--accent);padding:10px 0 10px 30px}.manifesto blockquote{font-size:31px;font-weight:750;letter-spacing:-.03em;margin:0 0 17px}.manifesto p{font-size:12px;color:var(--muted);max-width:760px}footer{border-top:1px solid var(--line);background:white}.footer-inner{padding:24px 0;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}
.tooltip{position:absolute;pointer-events:none;background:#111318;color:white;border-radius:9px;padding:9px 10px;font-size:10px;box-shadow:var(--shadow);transform:translate(-50%,-115%);white-space:nowrap;z-index:5}.tooltip strong{display:block;font-size:11px}.tooltip span{color:#c5cbd4}.empty{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:900px){.nav{display:none}.hero{grid-template-columns:1fr;padding-top:56px}.hero-index-card{max-width:480px}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.map-grid{grid-template-columns:1fr}.task-grid{grid-template-columns:repeat(2,1fr)}.method-grid{grid-template-columns:1fr;gap:40px}.section-heading.split{align-items:flex-start;flex-direction:column}.legend-block{align-self:flex-start}}
@media(max-width:560px){.container{width:min(100% - 28px,var(--max))}.site-header{padding:0 14px}.header-meta{display:none}.hero{padding:48px 0}.hero h1{font-size:42px}.hero-desc{font-size:15px}.stats{grid-template-columns:1fr 1fr}.stat{padding:16px 12px}.section{padding:58px 0}.section-heading h2,.method-grid h2{font-size:32px}.task-grid{grid-template-columns:1fr}.manifesto blockquote{font-size:22px}.footer-inner{flex-direction:column;gap:6px}.scatter{min-height:400px}.scatter svg{height:400px}}