:root{--bg1:#070b16;--bg2:#101a33;--card:rgba(255,255,255,0.08);--card-strong:rgba(255,255,255,0.12);--text:#eaf0ff;--muted:#b9c6ea;--accent:#8b5cf6;--accent2:#22d3ee}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans KR,sans-serif;color:var(--text);background:linear-gradient(160deg,var(--bg1),var(--bg2))}a{color:inherit}.page-shell{position:relative;min-height:100vh;overflow:hidden;padding:28px}.bg-glow{position:absolute;pointer-events:none;filter:blur(6px)}.bg-glow-left{width:900px;height:900px;left:-200px;top:-300px;background:radial-gradient(circle,rgba(139,92,246,.24) 0,rgba(139,92,246,0) 70%)}.bg-glow-right{width:860px;height:860px;right:-250px;top:-220px;background:radial-gradient(circle,rgba(34,211,238,.22) 0,rgba(34,211,238,0) 68%)}.container{position:relative;width:min(1120px,100%);margin:0 auto}.topbar{display:flex;justify-content:flex-end;margin-bottom:14px}.onboarding-topbar{align-items:center;justify-content:space-between;gap:16px}.language-nav{display:flex;flex-wrap:wrap;gap:8px}.lang-link{text-decoration:none;padding:7px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);color:#dfe8ff;font-size:.88rem;transition:all .2s ease}.lang-link:hover{transform:translateY(-1px)}.lang-link.active{border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.2);color:#ecfbff}.back-link{text-decoration:none;font-size:.92rem;color:#d6e2ff;border-bottom:1px solid transparent}.back-link:hover{border-bottom-color:rgba(214,226,255,.8)}.hero-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:var(--card);border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:40px;box-shadow:0 26px 70px rgba(0,0,0,.38)}.onboarding-card{background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.06))}.eyebrow{display:inline-block;padding:7px 12px;border-radius:999px;font-size:.74rem;letter-spacing:.05em;background:rgba(139,92,246,.2);border:1px solid rgba(139,92,246,.42);color:#e8dcff;margin-bottom:20px}h1{margin:0;font-size:clamp(2rem,4.4vw,3.45rem);line-height:1.14;letter-spacing:-.02em}.gradient{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.hero-subtitle{margin:16px 0 0;font-size:clamp(1rem,2vw,1.15rem);color:#d5deff}.hero-description{margin:8px 0 0;font-size:1.02rem;line-height:1.75;color:var(--muted)}.apps-grid{margin-top:24px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px}.app-card{border-radius:16px;padding:20px;border:1px solid rgba(255,255,255,.16);background:linear-gradient(140deg,rgba(255,255,255,.12),rgba(255,255,255,.06))}.app-card h2{margin:0;font-size:1.08rem}.app-card p{margin:10px 0 0;color:var(--muted);line-height:1.62}.mini-points{margin:12px 0 0;padding-left:20px;color:#cdd8f6;line-height:1.6;font-size:.93rem}.product-hero-grid{display:grid;grid-template-columns:1.25fr .75fr;grid-gap:16px;gap:16px;align-items:stretch}.preview-card{border-radius:18px;padding:18px;border:1px solid rgba(255,255,255,.18);background:linear-gradient(150deg,rgba(34,211,238,.16),rgba(139,92,246,.2));box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}.preview-badge{display:inline-block;font-size:.76rem;background:rgba(11,16,32,.38);border:1px solid rgba(255,255,255,.25);color:#ecf5ff;padding:6px 10px;border-radius:999px}.preview-card h2{margin:12px 0 0;font-size:1.18rem}.preview-card ul{margin:12px 0 0;padding-left:20px;color:#e4edff;line-height:1.65}.onboarding-grid{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.onboarding-panel{border-radius:16px;padding:18px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.09)}.onboarding-panel h2{margin:0;font-size:1.02rem}.onboarding-panel ol,.onboarding-panel ul{margin:12px 0 0;padding-left:20px;color:var(--muted);line-height:1.7}.actions{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:10px;padding:10px 12px;font-size:.9rem;font-weight:700}.btn-primary{background:rgba(34,211,238,.2);border:1px solid rgba(34,211,238,.6);color:#dcfbff}.btn-ghost{border:1px solid rgba(255,255,255,.26);color:#dfe7ff}.btn-ghost,.next-step-box{background:rgba(255,255,255,.06)}.next-step-box{margin-top:16px;border-radius:14px;padding:16px;border:1px solid rgba(255,255,255,.14)}.next-step-box h3{margin:0;font-size:1rem}.next-step-box p{margin:8px 0 0;color:var(--muted);line-height:1.65}.footer{margin-top:24px;color:#95a6dc;font-size:.9rem}@media (max-width:980px){.apps-grid,.onboarding-grid,.product-hero-grid{grid-template-columns:1fr}}@media (max-width:760px){.onboarding-topbar{flex-direction:column;align-items:flex-start}}@media (max-width:640px){.page-shell{padding:18px}.hero-card{padding:28px 22px;border-radius:18px}}