:root {
  --bg: #07111f;
  --bg2: #102238;
  --panel: rgba(255,255,255,.08);
  --panel2: rgba(255,255,255,.12);
  --text: #eef7ff;
  --muted: #a9bfd4;
  --line: rgba(255,255,255,.14);
  --accent: #43d9ff;
  --accent2: #84ffbe;
  --warning: #ffd38a;
  --shadow: 0 18px 60px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","Noto Sans KR","Yu Gothic UI","Meiryo",sans-serif;color:var(--text);background:radial-gradient(circle at 12% 8%, rgba(67,217,255,.18), transparent 28%),radial-gradient(circle at 88% 16%, rgba(132,255,190,.10), transparent 24%),linear-gradient(135deg,var(--bg),var(--bg2) 55%,#050d18)}
a{color:inherit}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px clamp(18px,4vw,56px);background:rgba(7,17,31,.78);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.03em;text-decoration:none}
.logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(67,217,255,.22), rgba(132,255,190,.14));border:1px solid rgba(67,217,255,.45)}
.nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--muted);padding:9px 12px;border-radius:999px}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.08)}
.btn,.nav .run-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid rgba(67,217,255,.45);background:linear-gradient(135deg, rgba(67,217,255,.95), rgba(132,255,190,.84));color:#04111a;font-weight:800;text-decoration:none;box-shadow:0 14px 35px rgba(67,217,255,.16)}
.btn.secondary{color:var(--text);background:rgba(255,255,255,.08);border-color:var(--line);box-shadow:none}
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:clamp(24px,4vw,64px);padding:clamp(48px,8vw,104px) clamp(18px,5vw,80px) 52px;align-items:center}
.eyebrow{font-size:13px;font-weight:800;color:var(--accent2);letter-spacing:.12em;text-transform:uppercase}
h1{margin:14px 0 18px;font-size:clamp(38px,6.8vw,78px);line-height:1.02;letter-spacing:-.05em}
.lead{color:var(--muted);font-size:clamp(16px,2vw,20px);line-height:1.75;max-width:760px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-card,.info-card,.step-card,.card,.panel,.workflow-box,.note,.timeline,.download, .step{border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(10px);box-shadow:var(--shadow)}
.hero-card{border-radius:28px;padding:24px;min-height:360px;display:grid;align-items:center}
.panel-flow{display:grid;gap:18px;padding:12px}
.flow-item{display:flex;gap:14px;align-items:center;border:1px solid rgba(255,255,255,.10);border-radius:18px;padding:18px;background:rgba(3,9,16,.42)}
.flow-num,.step-num,.time-badge,.workflow-step span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg, rgba(67,217,255,.95), rgba(132,255,190,.84));color:#04111a;font-weight:900;flex:0 0 auto}
.flow-arrow{text-align:center;color:var(--muted);font-size:22px}
section{padding:24px clamp(18px,5vw,80px) 70px}
.section-title{font-size:clamp(28px,4vw,48px);margin:0 0 14px;letter-spacing:-.04em}
.section-desc{color:var(--muted);max-width:860px;line-height:1.75;margin:0 0 22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.gap-top{margin-top:20px}
.info-card{border-radius:22px;padding:22px}
.info-card h3,.card h3,.step-card h3{margin:0 0 10px;font-size:22px}
.info-card p,.card p,.step-card p,.time-item p,.workflow-step p,.note,.plain-list{color:var(--muted);line-height:1.7}
.note{border-radius:18px;padding:16px 18px;margin-top:18px}
.note.warning{border-color:rgba(255,211,138,.35);background:rgba(255,211,138,.10);color:#fff4db}
.step-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.step-grid.small-gap{margin-top:20px}
.step-card{border-radius:22px;padding:22px;display:flex;flex-direction:column;gap:10px}
.step-card.wide{grid-column:1 / -1}
.mini-table{display:grid;gap:10px;margin-top:10px}
.mini-table div{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:12px 0;border-top:1px solid rgba(255,255,255,.08)}
.timeline{border-radius:24px;padding:10px 18px;display:grid;gap:6px}
.time-item{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.time-item:last-child{border-bottom:none}
.plain-list{padding-left:20px;margin:0}
.workflow-box{border-radius:26px;padding:18px;display:grid;gap:12px}
.workflow-step{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:center;padding:14px 16px;border-radius:18px;background:rgba(3,9,16,.36);border:1px solid rgba(255,255,255,.08)}
.workflow-step p{margin:0}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{border-radius:22px;padding:22px}
.site-footer{padding:24px 18px 38px;text-align:center;color:var(--muted)}
.language-switcher{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.language-switcher .lang-label{font-size:13px;color:var(--muted);margin-right:4px}
.language-switcher button{appearance:none;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);padding:8px 12px;border-radius:999px;cursor:pointer;font:inherit}
.language-switcher button.active{background:rgba(67,217,255,.18);border-color:rgba(67,217,255,.48)}
@media (max-width: 980px){
  .hero,.grid-2,.step-grid,.cards,.cards.three{grid-template-columns:1fr}
  .nav{display:none}
  .site-header{gap:12px;align-items:flex-start;flex-direction:column}
}
@media (max-width: 640px){
  .hero{padding-top:34px}
  .hero-card{min-height:unset}
  .mini-table div,.time-item,.workflow-step{grid-template-columns:1fr}
}