:root{
  --bg:#0b1220; --bg2:#0f1a2e; --card:#121f36; --line:#22324f;
  --text:#e6edf7; --muted:#9fb0c8; --accent:#2dd4bf; --accent2:#38bdf8; --warn:#fbbf24;
  --radius:14px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Segoe UI",system-ui,-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:17px}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;color:#000;padding:8px;z-index:9}
/* header */
.site-header{position:sticky;top:0;z-index:5;background:rgba(11,18,32,.92);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:1.15rem;letter-spacing:.2px}
.brand:hover{text-decoration:none}
.brand small{display:block;font-weight:500;font-size:.72rem;color:var(--muted);letter-spacing:.3px}
.nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 18px;margin:0;padding:0}
.nav ul a{color:var(--muted);font-size:.95rem}
.nav ul a:hover,.nav ul a[aria-current=page]{color:var(--text);text-decoration:none}
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:600;border:1px solid transparent;transition:.15s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121c}
.btn-primary:hover{filter:brightness(1.08);text-decoration:none}
.btn-ghost{border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);text-decoration:none}
.nav .btn{padding:8px 14px;font-size:.9rem}
/* hero */
.hero{padding:76px 0 56px;background:radial-gradient(900px 400px at 85% -10%,rgba(56,189,248,.18),transparent),radial-gradient(700px 360px at 0% 0%,rgba(45,212,191,.12),transparent)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:var(--warn);border:1px solid rgba(251,191,36,.35);background:rgba(251,191,36,.08);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--warn)}
h1{font-size:clamp(2rem,4.4vw,3.15rem);line-height:1.15;margin:0 0 18px;letter-spacing:-.5px}
h2{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.25;margin:0 0 14px;letter-spacing:-.3px}
h3{font-size:1.12rem;margin:0 0 8px}
.lead{font-size:1.15rem;color:var(--muted);margin:0 0 26px;max-width:640px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.note{font-size:.85rem;color:var(--muted);margin-top:14px}
/* console mock */
.console{background:#07101d;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.45);overflow:hidden;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem}
.console-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);color:var(--muted)}
.console-bar i{width:10px;height:10px;border-radius:50%;background:#334155;display:inline-block}
.console-bar span{margin-left:8px}
.console pre{margin:0;padding:16px 18px;white-space:pre-wrap;color:#cbd5e1;line-height:1.6}
.k{color:var(--accent)}.w{color:var(--warn)}.m{color:#7c8aa5}
.console-foot{padding:8px 14px;border-top:1px solid var(--line);color:var(--muted);font-family:inherit;font-size:.75rem}
/* sections */
section{padding:64px 0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:30px}
.section-head p{color:var(--muted);margin:0}
.eyebrow{color:var(--accent);font-weight:600;font-size:.8rem;letter-spacing:1.4px;text-transform:uppercase;margin:0 0 8px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card p{margin:0;color:var(--muted);font-size:.97rem}
.icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(45,212,191,.12);color:var(--accent);margin-bottom:14px;font-weight:700}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
.steps li{counter-increment:s;position:relative;padding:18px 18px 18px 62px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);color:var(--muted)}
.steps li strong{color:var(--text)}
.steps li::before{content:counter(s);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121c;font-weight:700;display:grid;place-items:center;font-size:.9rem}
.list{padding-left:20px;color:var(--muted)}
.list li{margin:6px 0}
.list strong{color:var(--text)}
.scope{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.scope .card h3{display:flex;gap:8px;align-items:center}
.yes h3{color:var(--accent)} .no h3{color:#f87171}
.status{border:1px solid rgba(251,191,36,.35);background:rgba(251,191,36,.06);border-radius:var(--radius);padding:24px}
.status h2{color:var(--warn)}
.cta{text-align:center}
.cta p{color:var(--muted);max-width:640px;margin:0 auto 22px}
/* prose pages */
.page-hero{padding-top:56px;padding-bottom:20px}
.page-hero p{color:var(--muted);max-width:760px}
.prose{padding-bottom:64px}
.prose > *{max-width:820px}
.prose h2{font-size:1.4rem;margin-top:38px}
.prose h3{margin-top:24px}
.prose p,.prose li{color:#c8d4e6}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.prose th{background:var(--card)}
.placeholder-hint{font-size:.85rem;color:var(--muted)}
/* footer */
.site-footer{border-top:1px solid var(--line);padding:40px 0 28px;color:var(--muted);font-size:.88rem;background:#081020}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}
.site-footer h4{color:var(--text);margin:0 0 10px;font-size:.95rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:4px 0}
.site-footer a{color:var(--muted)}
.legal{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:.8rem;line-height:1.7}
@media (max-width:900px){
  .hero-grid,.g3,.g2,.scope,.foot-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 40px}
  section{padding:48px 0}
  .nav ul{width:100%;order:3;gap:4px 14px}
  .site-header{position:static}
  .nav .btn{display:none}
  .nav ul a{font-size:.9rem}
}

/* v2 additions */
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:rgba(56,189,248,.1);color:#bae6fd;padding:1px 5px;border-radius:5px}
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow li{position:relative}
.flow li:not(:last-child)::after{content:"\2192";position:absolute;right:-18px;top:34px;color:var(--accent2);font-weight:700;font-size:1.1rem}
.flow-n{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04121c;font-weight:700;font-size:.9rem;margin-bottom:12px}
.checks{list-style:none;padding:0}
.checks li{position:relative;padding-left:28px;margin:12px 0}
.checks li::before{content:"\2713";position:absolute;left:0;top:0;color:var(--accent);font-weight:700}
.roadmap{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.roadmap .list{padding-left:18px;margin:8px 0 0;font-size:.95rem}
.roadmap .now{border-color:var(--accent);box-shadow:0 0 0 1px rgba(45,212,191,.25) inset}
.tag{display:inline-block;font-size:.72rem;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin-bottom:10px}
.tag-now{color:var(--accent);border-color:rgba(45,212,191,.45);background:rgba(45,212,191,.08)}
.diagram{margin:0;background:#07101d;border:1px solid var(--line);border-radius:var(--radius);padding:18px;overflow-x:auto}
.diagram svg{display:block;width:100%;min-width:720px;height:auto}
.diagram figcaption{color:var(--muted);font-size:.82rem;margin-top:10px}
.people{margin-top:8px}
.people .card h3{margin:0 0 4px}
.foot-status{margin:0 0 22px;padding:10px 14px;border:1px solid rgba(251,191,36,.35);background:rgba(251,191,36,.06);border-radius:10px;color:#f5d58a;font-size:.85rem}
.foot-status strong{color:var(--warn)}
@media (max-width:900px){
  .flow,.roadmap{grid-template-columns:1fr}
  .flow li:not(:last-child)::after{content:"\2193";right:auto;left:50%;top:auto;bottom:-20px}
}
/* v3: company facts block, hero summary, numbered design list */
.summary{font-size:.98rem;color:#c8d4e6;background:rgba(45,212,191,.06);border:1px solid var(--line);border-left:3px solid #2dd4bf;border-radius:10px;padding:14px 16px;margin:0 0 22px;max-width:680px}
.company-block{padding:56px 0}
table.facts{width:100%;max-width:980px;border-collapse:collapse;font-size:.95rem}
table.facts th,table.facts td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;color:#c8d4e6;overflow-wrap:anywhere}
table.facts th{background:var(--card);width:34%;font-weight:600;color:#e6edf7}
.prose-list{max-width:900px;padding-left:22px;color:#c8d4e6}
.prose-list li{margin:0 0 12px;line-height:1.6}
@media (max-width:640px){table.facts th{width:40%}table.facts th,table.facts td{padding:8px;font-size:.88rem}}