:root{
  --bg:#f7f8fb;--surface:#fff;--ink:#14182b;--muted:#5d6580;--line:#e3e6ef;
  --brand:#2a4bff;--brand-ink:#fff;--brand-soft:#eaeeff;--accent:#12b886;--warn:#e8590c;--danger:#e03131;
  --radius:14px;--shadow:0 6px 24px rgba(20,24,43,.07);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){--bg:#0f1220;--surface:#171b2e;--ink:#eef0f8;--muted:#9aa1bd;--line:#2a3050;--brand:#6c86ff;--brand-ink:#0f1220;--brand-soft:#212849;--shadow:0 6px 24px rgba(0,0,0,.35)}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,"Pretendard","Noto Sans KR","Malgun Gothic",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(28px,5vw,48px)}h2{font-size:clamp(22px,3.4vw,32px)}h3{font-size:18px}
p{margin:0 0 1em}.muted{color:var(--muted)}.small{font-size:13px}

header.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:60px}
.logo{font-weight:800;font-size:18px;color:var(--ink);display:flex;align-items:center;gap:8px}
.logo i{width:26px;height:26px;border-radius:8px;background:var(--brand);display:inline-block}
.nav nav{margin-left:auto;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav nav a{color:var(--ink);padding:8px 12px;border-radius:10px;font-size:15px}
.nav nav a:hover{background:var(--brand-soft)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;background:var(--brand);color:var(--brand-ink);padding:12px 20px;border-radius:12px;font:inherit;font-weight:600;cursor:pointer;min-height:44px}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.sm{padding:6px 12px;min-height:34px;font-size:14px;border-radius:9px}
.btn.big{padding:15px 28px;font-size:17px}

.hero{padding:64px 0 48px}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero .tag{display:inline-block;background:var(--brand-soft);color:var(--brand);padding:5px 12px;border-radius:99px;font-size:13px;font-weight:600;margin-bottom:16px}
.hero p.lead{font-size:18px;color:var(--muted);max-width:520px}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.art{border-radius:22px;background:linear-gradient(135deg,var(--brand-soft),var(--surface));border:1px solid var(--line);min-height:300px;overflow:hidden;box-shadow:var(--shadow);display:grid;place-items:center}
.art img{width:100%;height:100%;object-fit:cover}
.art .ph{color:var(--muted);font-size:13px;padding:24px;text-align:center}

section.block{padding:56px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card .art{min-height:140px;margin-bottom:14px;box-shadow:none;border-radius:10px}
.num{width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-weight:700;margin-bottom:10px}
.price{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:640px}
.price b{font-size:28px;display:block}

footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:13px;margin-top:40px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.narrow{max-width:460px;margin:48px auto}
label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit;min-height:44px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.err{color:var(--danger);font-size:14px;min-height:20px;margin-top:8px}
.ok{color:var(--accent)}

.steps{display:flex;gap:6px;margin:0 0 24px;padding:0;list-style:none;overflow-x:auto}
.steps li{flex:1;min-width:84px;text-align:center;padding:10px 6px;border-bottom:3px solid var(--line);color:var(--muted);font-size:14px;font-weight:600}
.steps li.on{border-color:var(--brand);color:var(--brand)}.steps li.done{border-color:var(--accent);color:var(--accent)}
.actions{display:flex;justify-content:space-between;gap:10px;margin-top:24px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:6px 12px;border-radius:99px;font:inherit;font-size:14px;cursor:pointer}
.chip.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.classgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px;max-height:240px;overflow:auto;padding:4px}
.drop{border:2px dashed var(--line);border-radius:12px;padding:18px;text-align:center;background:var(--bg)}
.drop img{max-height:140px;margin:10px auto 0;background:repeating-conic-gradient(#ddd 0 25%,#fff 0 50%) 0 0/16px 16px;border-radius:8px}
.sum{width:100%;border-collapse:collapse}.sum td{padding:8px 0;border-bottom:1px solid var(--line)}.sum td:last-child{text-align:right;font-weight:600}
.sum tr.total td{font-size:20px;border:0;color:var(--brand)}
.pay{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pay label{margin:0;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;display:flex;gap:8px;align-items:center}
.pay input{width:auto;min-height:0}

table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{color:var(--muted);font-weight:600;font-size:13px}
.scroll{overflow-x:auto}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:700;background:var(--brand-soft);color:var(--brand);white-space:nowrap}
.badge.g{background:#d3f9e8;color:#087f5b}.badge.o{background:#ffe8cc;color:#b34700}.badge.r{background:#ffe3e3;color:#c92a2a}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px}
.kpi b{font-size:24px;display:block}
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.timeline{list-style:none;padding:0;margin:0}.timeline li{padding:8px 0 8px 16px;border-left:2px solid var(--line);position:relative}
.timeline li::before{content:"";position:absolute;left:-6px;top:15px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.hidden{display:none!important}

@media(max-width:760px){
  .hero{padding:32px 0}.hero .grid,.cards,.row,.price{grid-template-columns:1fr}
  .nav nav a{padding:6px 8px;font-size:14px}.pay{grid-template-columns:1fr}
}