:root{--text:#202123;--muted:#666;--faint:#888;--line:#e5e5e7;--bg-soft:#f7f7f8;--gutter:clamp(16px, 4vw, 32px);--section-y:clamp(64px, 10vw, 110px);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Noto Sans KR,sans-serif}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}body{word-break:keep-all;overflow-wrap:break-word;background:#fff;margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit;color:inherit}h1,h2,h3{text-wrap:balance}.nav{z-index:5;height:64px;padding:0 var(--gutter);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;border-bottom:1px solid #e6e6e8;justify-content:space-between;align-items:center;gap:12px;display:flex;position:sticky;top:0}.logo{display:flex}.logo img{border-radius:8px}.nav-actions{gap:8px;display:flex}.btn{cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #d9d9dc;border-radius:8px;padding:9px 14px;font-size:14px}.btn.dark{background:var(--text);color:#fff;border-color:var(--text)}section{padding:var(--section-y) var(--gutter)}.wrap{max-width:1080px;margin:0 auto}.gray{background:var(--bg-soft)}.head{max-width:740px;margin-bottom:clamp(28px,4vw,45px)}.head h2{letter-spacing:-.04em;margin:0 0 14px;font-size:clamp(28px,4.2vw,42px);line-height:1.25}.head p{color:var(--muted);margin:0;font-size:clamp(15px,1.6vw,17px);line-height:1.75}.cta{background:var(--text);color:#fff;border-radius:9px;padding:13px 20px;font-size:15px;font-weight:600;display:inline-block}.hero{text-align:center;justify-content:center;align-items:center;min-height:min(760px,100svh);padding-top:clamp(56px,10vw,80px);display:flex}.hero-in{width:100%;max-width:900px}.eyebrow{letter-spacing:.1em;color:#777;margin-bottom:22px;font-size:12px;font-weight:700}.hero h1{letter-spacing:-.05em;margin:0 0 24px;font-size:clamp(36px,7vw,72px);line-height:1.15}.hero p{color:var(--muted);max-width:700px;margin:0 auto 32px;font-size:clamp(16px,2vw,19px);line-height:1.7}.demo{border:1px solid var(--line);text-align:left;border-radius:14px;max-width:700px;margin:clamp(40px,7vw,62px) auto 0;overflow:hidden;box-shadow:0 10px 35px #0000000f}.demo-head{color:#777;background:#fafafa;border-bottom:1px solid #eee;padding:12px 16px;font-size:13px}.msg{border-bottom:1px solid #eee;padding:18px 20px;font-size:clamp(14px,1.6vw,16px);line-height:1.65}.msg:last-child{border-bottom:0}.msg.ai{background:#fafafa}.label{color:var(--faint);font-size:11px;font-weight:700}.layers{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.layer-item{align-items:center;gap:10px;display:flex}.layer{background:#fff;border:1px solid #e1e1e4;border-radius:10px;padding:12px 16px;font-size:15px}.arrow{color:#aaa}.cards{gap:14px;display:grid}.cards-4{grid-template-columns:repeat(4,1fr)}.cards-3{grid-template-columns:repeat(3,1fr)}.card{border:1px solid var(--line);background:#fff;border-radius:13px;padding:24px}.card small{color:#999;font-weight:700}.card h3{margin:14px 0 8px;font-size:18px}.card small+h3{margin-top:16px}.card p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.card .flow{border-top:1px dashed var(--line);color:var(--faint);margin-top:14px;padding-top:14px;font-size:13px}.pipeline{flex-wrap:wrap;gap:8px;margin:28px 0 0;padding:0;font-size:13px;font-weight:600;list-style:none;display:flex}.pipeline li{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px}.pipeline li:last-child{background:var(--text);color:#fff;border-color:var(--text)}.bundle{grid-template-columns:1fr 1fr;align-items:center;gap:clamp(28px,5vw,42px);display:grid}.terminal{color:#eee;white-space:pre;background:#171717;border-radius:13px;margin:0;padding:24px;font:13px/1.8 ui-monospace,SFMono-Regular,Menlo,monospace;overflow-x:auto}.ok{color:#b9f5c5}.glossary{border-top:1px solid var(--text)}.g-row{border-bottom:1px solid var(--line);grid-template-columns:1fr 1.6fr 1fr;gap:16px;padding:16px 0;font-size:15px;line-height:1.6;display:grid}.g-head{color:var(--faint);padding:12px 0;font-size:13px;font-weight:700}.g-role{color:var(--muted)}.closing{text-align:center;border-top:1px solid #eee}.closing .head{margin:0 auto 25px}.overlay{z-index:20;background:#00000059;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:14px;width:min(420px,100%);padding:28px;box-shadow:0 20px 60px #0000002e}.modal h2{margin:0 0 8px;font-size:24px}.modal p{color:#777;margin:0 0 22px;font-size:14px}.field{border:1px solid #dcdcdf;border-radius:8px;width:100%;margin:6px 0 10px;padding:12px 13px;font-size:16px}.modal .submit{background:var(--text);color:#fff;cursor:pointer;border:0;border-radius:8px;width:100%;margin-top:5px;padding:12px;font-weight:600}.close{float:right;color:#777;cursor:pointer;background:0 0;border:0;font-size:20px}.modal-note{text-align:center;color:#777;margin-top:16px;font-size:13px}.link{color:#555;cursor:pointer;background:0 0;border:0;padding:0;font-size:13px;text-decoration:underline}.app{background:#fff;min-height:100dvh}.appbar{height:60px;padding:0 var(--gutter);border-bottom:1px solid #e6e6e8;align-items:center;gap:16px;display:flex}.appbar strong{font-size:15px}.appbar-sub{color:#999;font-size:13px}.logout{margin-left:auto}.chat-layout{height:calc(100dvh - 60px);display:flex}.side{background:#fafafa;border-right:1px solid #e6e6e8;flex-shrink:0;width:250px;padding:18px 12px}.newchat{text-align:left;cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:8px;width:100%;padding:10px}.side-item{color:var(--muted);border-radius:7px;margin-top:8px;padding:11px 10px;font-size:13px}.side-item.active{color:#222;background:#eee}.chatmain{flex-direction:column;flex:1;align-items:center;min-width:0;display:flex;position:relative}.conversation{width:min(820px,100%);padding:45px var(--gutter) 120px;flex:1;overflow:auto}.welcome{text-align:center;margin:80px 0}.welcome h1{letter-spacing:-.04em;font-size:clamp(24px,4vw,32px)}.welcome p{color:#777}.chatmsg{padding:16px 0;font-size:15px;line-height:1.7}.chatmsg.user{justify-content:flex-end;display:flex}.bubble{white-space:pre-wrap;background:#f1f1f2;border-radius:14px;max-width:75%;padding:12px 16px}.chatmsg.ai .bubble{white-space:normal;background:#fff;max-width:100%;padding-left:0}.notice{background:#fafafa;border:1px solid #ddd;border-radius:8px;padding:10px 12px;display:inline-block}.composer{bottom:max(20px, env(safe-area-inset-bottom));width:min(760px, calc(100% - 2 * var(--gutter)));background:#fff;border:1px solid #d8d8dc;border-radius:13px;gap:8px;padding:8px;display:flex;position:absolute;box-shadow:0 5px 25px #00000014}.composer textarea{resize:none;background:0 0;border:0;outline:0;flex:1;padding:9px;font-size:16px}.composer button{background:var(--text);color:#fff;cursor:pointer;border:0;border-radius:8px;flex-shrink:0;width:40px}@media (width<=900px){.cards-4{grid-template-columns:repeat(2,1fr)}.cards-3,.bundle{grid-template-columns:1fr}.side{display:none}}@media (width<=560px){.nav{height:56px}.btn{padding:8px 11px;font-size:13px}.cards-4{grid-template-columns:1fr}.card{padding:20px}.layer{padding:9px 12px;font-size:14px}.layers,.layer-item{gap:6px}.cta{text-align:center;display:block}.closing .cta,.hero .cta{display:inline-block}.g-head{display:none}.g-row{grid-template-columns:1fr;gap:4px}.g-role{color:var(--faint);font-size:13px}.appbar-sub{display:none}.bubble{max-width:88%}.terminal{padding:18px;font-size:12px}}