:root{
  --bg:#F7F7FB; --surface:#FFFFFF; --text:#14141F; --muted:#5E5E72; --line:#E6E6EF;
  --brand:#6638B6; --brand-soft:#F1EBFB; --gong:#3B6CFF; --hwa:#7A4BFF; --no:#12A27A; --warn:#C2410C;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0E0E15; --surface:#171722; --text:#F2F2F7; --muted:#A3A3B8; --line:#2A2A3A;
    --brand:#A884E6; --brand-soft:#241A38; --gong:#6E93FF; --hwa:#A38BFF; --no:#3CCB9F; --warn:#FB923C;
  }
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* header */
header{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.3px;white-space:nowrap}
.logo i{width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-style:normal;font-size:15px}
.logo small{font-weight:500;color:var(--muted);font-size:13px;margin-left:4px}
.pill{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:5px 10px;border-radius:999px}
.user{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.user img{width:28px;height:28px;border-radius:50%}
.linkbtn{background:none;border:1px solid var(--line);color:var(--text);font:inherit;font-size:13px;font-weight:600;padding:6px 12px;border-radius:9px;cursor:pointer}
.linkbtn:hover{border-color:var(--brand);color:var(--brand)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit;font-weight:600;font-size:15px;cursor:pointer;transition:border-color .15s,transform .15s}
.btn:hover{border-color:var(--brand);transform:translateY(-1px)}
.btn[disabled]{cursor:wait;opacity:.6;transform:none}
.btn svg{width:18px;height:18px}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.msg{min-height:20px;font-size:14px;color:var(--warn);font-weight:600}

/* hero (landing) */
.hero{padding:96px 0 72px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,5.6vw,56px);font-weight:800;letter-spacing:-1.6px;line-height:1.2}
.hero h1 span{color:var(--brand)}
.hero p{margin:20px auto 0;max-width:560px;color:var(--muted);font-size:clamp(16px,2vw,18px)}
.cta{margin-top:36px;display:flex;flex-direction:column;align-items:center;gap:12px}
.cta small{color:var(--muted);font-size:13px}

/* sections & cards */
section{padding:56px 0}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,3vw,28px);font-weight:800;letter-spacing:-.6px}
.sec-head p{color:var(--muted);margin-top:6px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;gap:6px}
.card .tag{font-size:13px;font-weight:700}
.card h3{font-size:20px;font-weight:800;letter-spacing:-.4px}
.card p{color:var(--muted);font-size:15px}
.card .key{margin-top:10px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;font-weight:600}
.gong .tag{color:var(--gong)} .hwa .tag{color:var(--hwa)} .no .tag{color:var(--no)}
.soon{align-self:flex-start;font-size:12px;font-weight:600;color:var(--muted);border:1px solid var(--line);padding:3px 9px;border-radius:999px;margin-bottom:6px}
a.card{transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--brand);transform:translateY(-2px)}
.card .ico{font-size:26px;margin-bottom:4px}
.card.disabled{opacity:.6}
.quote{margin:8px 0 24px;background:var(--brand-soft);border-radius:20px;padding:36px 32px;text-align:center}
.quote p{font-size:clamp(17px,2.2vw,21px);font-weight:700;letter-spacing:-.4px}
.quote small{display:block;margin-top:10px;color:var(--muted);font-weight:600;font-size:13px;letter-spacing:.4px}

/* app pages */
.page-head{padding:48px 0 24px}
.page-head .crumb{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}
.page-head .crumb a:hover{color:var(--brand)}
.page-head h1{font-size:clamp(26px,4vw,36px);font-weight:800;letter-spacing:-1px}
.page-head p{color:var(--muted);margin-top:6px}
.list{display:flex;flex-direction:column;gap:10px;padding-bottom:56px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.row:hover{border-color:var(--brand)}
.row .t{font-weight:700}
.row .m{font-size:13px;color:var(--muted)}
.empty{background:var(--surface);border:1px dashed var(--line);border-radius:16px;padding:40px 24px;text-align:center;color:var(--muted)}
.doc{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:36px clamp(20px,4vw,48px);margin-bottom:56px}
.doc h2{font-size:20px;margin:28px 0 10px;letter-spacing:-.4px}
.doc h3{font-size:17px;margin:20px 0 8px}
.doc p,.doc li{color:var(--text);font-size:15.5px;margin:6px 0}
.doc ol,.doc ul{padding-left:22px}
.doc table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14.5px}
.doc th,.doc td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.doc th{background:var(--brand-soft)}
.doc .note{background:var(--brand-soft);border-radius:12px;padding:14px 16px;font-size:14.5px;margin:12px 0}
.doc .meta + h3,.doc .meta + .note{margin-top:16px}
.doc table{display:block;overflow-x:auto}
.doc strong{color:var(--text)}
.doc .meta{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:8px}
.loading{padding:80px 0;text-align:center;color:var(--muted)}

footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media (max-width:820px){ .grid{grid-template-columns:1fr} .hero{padding:72px 0 48px} }
@media (max-width:480px){ .wrap{padding:0 16px} .logo small,.user span{display:none} }

/* ===== v3: 로고 헤더 · 인트라넷 랜딩 ===== */
.brandmark{display:flex;align-items:center;gap:10px;white-space:nowrap}
.brandmark img{height:26px;width:auto;display:block}
.brandmark .img-dark{display:none}
@media (prefers-color-scheme: dark){ .brandmark .img-light{display:none} .brandmark .img-dark{display:block} }
.brandmark b{font-size:18px;font-weight:700;letter-spacing:-.3px;color:var(--text);padding-left:10px;border-left:1px solid var(--line)}
.btn.sm{padding:8px 14px;font-size:14px;border-radius:10px}

.intra{padding:84px 0 72px}
.intra .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.intra .eyebrow{letter-spacing:.6px}
.intra h1{font-size:clamp(32px,4.8vw,52px);font-weight:800;letter-spacing:-1.4px;line-height:1.22}
.intra h1 span{color:var(--brand)}
.intra .lead{margin-top:18px;color:var(--muted);font-size:clamp(16px,1.8vw,18px);max-width:520px}
.intra .cta{align-items:flex-start;margin-top:32px}
.preview{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 30px 60px -30px color-mix(in srgb,var(--brand) 35%,transparent)}
.preview .bar{display:flex;gap:6px;margin-bottom:16px}
.preview .bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.preview .hi{font-weight:800;font-size:18px;margin-bottom:14px}
.preview .tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.preview .tile{border:1px solid var(--line);border-radius:14px;padding:14px;font-size:14px;font-weight:700}
.preview .tile small{display:block;font-weight:500;color:var(--muted);font-size:12px;margin-top:2px}
.preview .tile.on{background:var(--brand-soft);border-color:transparent;color:var(--brand)}
.preview .lock{margin-top:14px;font-size:12px;color:var(--muted);text-align:center}

.about{border-top:1px solid var(--line)}
.about .intro{max-width:640px;margin-bottom:32px}
.about .intro h2{font-size:clamp(22px,3vw,30px);font-weight:800;letter-spacing:-.6px}
.about .intro p{color:var(--muted);margin-top:10px}
.svc2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.svc2 .card{gap:12px}
.svc2 .card img{height:30px;width:auto;align-self:flex-start}
.svc2 .card .img-dark{display:none}
@media (prefers-color-scheme: dark){ .svc2 .card .img-light{display:none} .svc2 .card .img-dark{display:block} }
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chips span{font-size:12px;font-weight:600;color:var(--muted);border:1px solid var(--line);padding:4px 10px;border-radius:999px}
.notice{font-size:12px;color:var(--muted);text-align:center;padding:0 0 32px}

@media (max-width:860px){ .intra .wrap{grid-template-columns:1fr} .svc2{grid-template-columns:1fr} .intra{padding:56px 0 48px} }
@media (max-width:480px){ .brandmark b{font-size:16px} .brandmark img{height:22px} }