:root { color-scheme: light; --ink:#111827; --muted:#5d6471; --line:#dfe3e8; --paper:#fff; --ground:#f3f4f6; --accent:#635bff; --accent-2:#d946ef; font-family:Inter,Pretendard,"Noto Sans KR",system-ui,sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--ground); line-height:1.65; }
a { color:inherit; }
.skip-link { position:absolute; left:1rem; top:-5rem; background:#fff; padding:.7rem 1rem; z-index:100; }
.skip-link:focus { top:1rem; }
.site-header { width:min(1180px,calc(100% - 32px)); margin:20px auto 0; display:flex; align-items:center; justify-content:space-between; gap:24px; padding:16px 20px; border:1px solid var(--line); border-radius:18px; background:rgba(255,255,255,.86); backdrop-filter:blur(16px); position:sticky; top:12px; z-index:10; }
.brand { text-decoration:none; display:flex; align-items:baseline; gap:10px; letter-spacing:.04em; }
.brand strong { font-size:1.2rem; }
.brand span { color:var(--muted); font-size:.75rem; text-transform:uppercase; }
.site-header nav { display:flex; flex-wrap:wrap; gap:18px; }
.site-header nav a { text-decoration:none; color:var(--muted); font-weight:700; font-size:.9rem; }
.site-header nav a:hover,.site-header nav a[aria-current="page"] { color:var(--accent); }
main { overflow:hidden; }
.hero,.page-hero,.section { width:min(1120px,calc(100% - 40px)); margin-inline:auto; }
.hero { min-height:650px; display:flex; flex-direction:column; justify-content:center; padding:100px 0; position:relative; }
.hero::after { content:""; position:absolute; width:420px; height:420px; border-radius:50%; background:linear-gradient(135deg,rgba(99,91,255,.28),rgba(217,70,239,.16)); filter:blur(20px); right:-160px; z-index:-1; }
.eyebrow { margin:0 0 12px; color:var(--accent); font-size:.75rem; font-weight:900; letter-spacing:.18em; }
h1,h2,h3,p { margin-top:0; }
h1 { font-size:clamp(3rem,8vw,7rem); line-height:1.02; letter-spacing:-.065em; max-width:1000px; margin-bottom:28px; }
h1 em { font-style:normal; background:linear-gradient(90deg,var(--accent),var(--accent-2)); -webkit-background-clip:text; color:transparent; }
.hero>p:not(.eyebrow),.page-hero>p:not(.eyebrow) { color:var(--muted); max-width:720px; font-size:1.08rem; }
.actions { display:flex; gap:12px; flex-wrap:wrap; }
.button,button { appearance:none; border:1px solid var(--line); background:#fff; color:var(--ink); padding:12px 18px; border-radius:12px; font:inherit; font-weight:800; text-decoration:none; cursor:pointer; }
.button.primary { background:var(--ink); color:#fff; border-color:var(--ink); }
.section { padding:96px 0; }
.section-heading { display:flex; justify-content:space-between; align-items:end; gap:24px; margin-bottom:32px; }
.section-heading h2,.contact h2 { font-size:clamp(2rem,5vw,4rem); line-height:1; letter-spacing:-.04em; margin:0; }
.card-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.card,.loading-card,.project-card,.panel { background:var(--paper); border:1px solid var(--line); border-radius:20px; padding:28px; box-shadow:0 20px 50px rgba(17,24,39,.05); }
.card .number { color:var(--accent); font-weight:900; font-size:.8rem; }
.card h3 { font-size:1.45rem; margin:34px 0 12px; }
.card p,.card li { color:var(--muted); }
.card ul { padding-left:20px; margin-bottom:0; }
.steps { list-style:none; counter-reset:step; padding:0; border-top:1px solid var(--line); }
.steps li { counter-increment:step; display:grid; grid-template-columns:70px 220px 1fr; gap:24px; padding:24px 0; border-bottom:1px solid var(--line); }
.steps li::before { content:"0" counter(step); color:var(--accent); font-weight:900; }
.steps span { color:var(--muted); }
.contact { display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:end; }
.contact pre { grid-column:2; grid-row:1 / span 2; margin:0; white-space:pre-wrap; background:#111827; color:#e5e7eb; padding:26px; border-radius:20px; font:500 .9rem/1.8 ui-monospace,monospace; }
.product-callout { display:flex; align-items:end; justify-content:space-between; gap:32px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.product-callout h2 { font-size:clamp(2rem,5vw,3.8rem); line-height:1.1; letter-spacing:-.04em; margin-bottom:18px; }
.product-callout p:not(.eyebrow) { max-width:680px; color:var(--muted); margin-bottom:0; }
.product-callout-links { display:flex; gap:10px; flex-wrap:wrap; flex-shrink:0; }
.legal-page { width:min(800px,calc(100% - 40px)); margin:0 auto; padding:100px 0 20px; }
.legal-page h1 { font-size:clamp(2.8rem,7vw,5rem); margin-bottom:22px; }
.legal-intro { font-size:1.08rem; color:var(--muted); }
.legal-page section { padding:28px 0; border-top:1px solid var(--line); }
.legal-page section h2 { font-size:1.25rem; margin-bottom:12px; }
.legal-page section p { color:var(--muted); margin-bottom:10px; }
.legal-page section p:last-child { margin-bottom:0; }
.legal-page section a { color:var(--accent); text-underline-offset:3px; }
.page-hero { padding:100px 0 30px; }
.page-hero.compact h1 { font-size:clamp(3rem,7vw,6rem); }
.portal-shell,.admin-shell { padding-top:32px; min-height:420px; }
.portal-head { display:flex; justify-content:space-between; align-items:center; gap:16px; margin-bottom:24px; }
.project-list { display:grid; gap:16px; }
.project-meta,.update-list,.deliverable-list { display:grid; gap:10px; }
.status { display:inline-flex; width:max-content; padding:5px 10px; background:#eef2ff; color:#4338ca; border-radius:999px; font-weight:900; font-size:.78rem; }
.project-card h2 { margin:10px 0; }
.project-card small,.muted { color:var(--muted); }
.project-card details { margin-top:18px; padding-top:18px; border-top:1px solid var(--line); }
.project-card summary { cursor:pointer; font-weight:800; }
.update,.deliverable { padding:12px 0; border-bottom:1px solid var(--line); }
.deliverable { display:flex; justify-content:space-between; gap:16px; align-items:center; }
.admin-grid { display:grid; grid-template-columns:minmax(280px,380px) 1fr; gap:18px; align-items:start; }
.stack { display:grid; gap:12px; }
label { display:grid; gap:6px; font-weight:800; font-size:.86rem; }
input,select,textarea { width:100%; border:1px solid var(--line); background:#fff; border-radius:10px; padding:11px 12px; font:inherit; color:inherit; }
textarea { min-height:110px; resize:vertical; }
.notice { padding:12px 14px; border-radius:10px; background:#eef2ff; color:#3730a3; }
.error { background:#fef2f2; color:#991b1b; }
footer { width:min(1120px,calc(100% - 40px)); margin:70px auto 0; padding:28px 0; border-top:1px solid var(--line); display:flex; justify-content:space-between; color:var(--muted); font-size:.82rem; }
footer nav { display:flex; flex-wrap:wrap; gap:18px; }
footer nav a { text-decoration:none; }
footer nav a:hover { color:var(--accent); text-decoration:underline; }
@media (max-width:800px) { .site-header { align-items:flex-start; flex-direction:column; } .site-header nav { gap:12px; } .hero { min-height:560px; } .card-grid,.contact,.admin-grid { grid-template-columns:1fr; } .contact pre { grid-column:auto; grid-row:auto; } .product-callout { align-items:start; flex-direction:column; } .steps li { grid-template-columns:48px 1fr; } .steps span { grid-column:2; } .section { padding:68px 0; } footer { flex-direction:column; gap:12px; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } * { animation:none!important; transition:none!important; } }