:root{--bg:#0b0d12;--bg2:#10141c;--fg:#e8eaf0;--muted:#9aa3b2;--accent:#6ee7b7;--accent2:#7dd3fc;--card:#141821;--line:#232a37;--warn:#fbbf24}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,"Pretendard","Noto Sans KR",system-ui,sans-serif}
a{color:var(--accent2)}img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header.nav{position:sticky;top:0;z-index:10;background:rgba(11,13,18,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{font-weight:800;letter-spacing:-.01em;color:var(--fg);text-decoration:none;font-size:18px}
.brand span{color:var(--accent)}
nav.links{display:flex;gap:18px;flex-wrap:wrap}nav.links a{color:var(--muted);text-decoration:none;font-size:14px}nav.links a:hover,nav.links a.on{color:var(--fg)}
.btn{display:inline-block;background:var(--accent);color:#06281c;font-weight:700;padding:13px 22px;border-radius:10px;text-decoration:none;white-space:nowrap}
.btn.sec{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn[aria-disabled="true"]{background:#2a3140;color:var(--muted);pointer-events:none}
.hero{padding:88px 0 56px}.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.1;margin:0 0 18px;letter-spacing:-.025em}
.hero p.lead{font-size:20px;color:var(--muted);max-width:720px;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.cta .meta{color:var(--muted);font-size:14px}
.demo{margin:48px 0 0;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#151a24,#0f131b);padding:14px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.demo .bar{display:flex;gap:6px;align-items:center;margin-bottom:12px}.demo .bar i{width:10px;height:10px;border-radius:50%;background:#2a3140;display:block}.demo .bar span{margin-left:8px;font-size:12px;color:var(--muted)}
.demo .stage{position:relative;aspect-ratio:14/9;border-radius:10px;overflow:hidden;background:#0b0e14;border:1px solid var(--line)}
.demo .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top left;opacity:.55;display:block}
.demo .stage.live .poster{display:none}
.demo iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#fff}
.demo .overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px;background:radial-gradient(60% 60% at 50% 50%,rgba(11,14,20,.35),rgba(11,14,20,.75))}
.demo .overlay .meta{max-width:520px}.demo .overlay .narrow{display:none}
@media (max-width:1000px){.demo .overlay #demo-start,.demo .overlay .meta:not(.narrow){display:none}.demo .overlay .narrow{display:block}}
.mock{margin:48px 0 0;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,#151a24,#0f131b);padding:18px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.mock .bar{display:flex;gap:6px;margin-bottom:14px}.mock .bar i{width:10px;height:10px;border-radius:50%;background:#2a3140;display:block}
.mock .grid{display:grid;grid-template-columns:1.2fr 2.4fr 1fr;gap:12px;min-height:260px}
.mock .pane{background:#0b0e14;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:12px;color:var(--muted)}
.mock .preview{background:radial-gradient(60% 80% at 50% 40%,#1d2a3a,#0b0e14);display:flex;align-items:center;justify-content:center;color:#cbd5e1;font-size:13px}
.mock .tl{grid-column:1/4;height:110px;display:grid;grid-template-rows:repeat(3,1fr);gap:6px}
.mock .clip{border-radius:6px;height:100%}
.section{padding:64px 0;border-top:1px solid var(--line)}.section h2{font-size:30px;letter-spacing:-.02em;margin:0 0 8px}.section p.sub{color:var(--muted);margin:0 0 32px;max-width:720px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}
.card .k{display:inline-block;font-size:12px;color:var(--accent);border:1px solid rgba(110,231,183,.35);border-radius:999px;padding:2px 10px;margin-bottom:12px}
.platform{display:flex;flex-direction:column;gap:10px}.platform .row{display:flex;justify-content:space-between;align-items:center;gap:12px}
.platform .meta{color:var(--muted);font-size:13px}.platform .badge{font-size:12px;color:var(--warn)}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px}
pre{background:#0f1219;border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-x:auto;margin:12px 0 0}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;counter-reset:s}
.steps .card::before{counter-increment:s;content:counter(s);display:inline-block;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#06281c;font-weight:800;text-align:center;line-height:28px;margin-bottom:12px}
details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:0 0 10px;background:var(--card)}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);margin:10px 0 0}
.ad{margin:32px 0;min-height:90px;border:1px dashed var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#4b5563;font-size:12px}
.prose{max-width:800px}.prose h2{font-size:22px;margin:32px 0 10px}.prose h3{font-size:17px;margin:22px 0 8px}.prose p,.prose li{color:#c3c9d4}.prose .date{color:var(--muted);font-size:14px}
table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);text-align:left;padding:10px 8px;vertical-align:top}th{color:var(--muted);font-weight:600}
footer{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:13px}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;margin-bottom:24px}footer h4{margin:0 0 8px;color:var(--fg);font-size:14px}footer a{color:var(--muted);text-decoration:none;display:block;margin:4px 0}footer a:hover{color:var(--fg)}
.sha{word-break:break-all}
@media (max-width:720px){.mock .grid{grid-template-columns:1fr}.mock .tl{grid-column:1}.hero{padding:56px 0 40px}}

footer .biz{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.7}footer .biz p{margin:0}
.form{display:grid;gap:12px;max-width:640px}.form label{display:grid;gap:6px;font-size:13px;color:var(--muted)}.form input,.form select,.form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#0b0e14;color:var(--fg,#e5e7eb);font:inherit}.form textarea{min-height:160px;resize:vertical}.form .ok{border:1px solid rgba(110,231,183,.5);background:rgba(110,231,183,.08);padding:12px 14px;border-radius:8px}.form .err{border:1px solid rgba(248,113,113,.5);background:rgba(248,113,113,.08);padding:12px 14px;border-radius:8px}