:root{--bg:#07090f;--bg2:#0d1119;--card:#121826;--line:#1f2937;--text:#f4f6fa;--muted:#9aa4b5;--accent:#0082f3;--accent2:#7c5cff;--r:18px;--nav:64px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--nav)}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Pretendard Variable',Pretendard,system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;padding-bottom:env(safe-area-inset-bottom)}
a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}
.wrap{width:min(1160px,100% - 32px);margin:0 auto}.narrow{width:min(760px,100% - 32px)}.center{text-align:center}
.muted{color:var(--muted)}
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav);z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 max(16px,calc((100% - 1160px)/2));background:rgba(7,9,15,.72);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-color:var(--line)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.logo-img{height:34px;width:auto;display:block;background:#fff;border-radius:8px;padding:4px 6px}
.logo-mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--accent),var(--accent2))}
.nav-links{display:flex;align-items:center;gap:28px;font-size:.95rem;color:var(--muted)}
.nav-links a:hover{color:var(--text)}.nav-links .nav-cta{color:#fff}
.nav-right{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px}
.lang button{background:none;border:0;color:var(--muted);border-radius:999px;padding:5px 10px;font:inherit;font-size:.8rem;cursor:pointer}
.lang button.on{background:var(--accent);color:#fff}
.burger{display:none;background:none;border:0;width:40px;height:40px;position:relative;cursor:pointer}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:var(--text);transition:.25s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
.burger[aria-expanded=true] span:first-child{top:19px;transform:rotate(45deg)}.burger[aria-expanded=true] span:last-child{top:19px;transform:rotate(-45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;border:1px solid var(--accent);transition:transform .2s,filter .2s}
.btn:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:.9rem}.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.hero{position:relative;padding:calc(var(--nav) + 72px) 0 56px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:radial-gradient(60% 50% at 20% 10%,rgba(0,130,243,.32),transparent 70%),radial-gradient(50% 45% at 85% 20%,rgba(124,92,255,.28),transparent 70%);animation:drift 14s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(0,24px,0) scale(1.06)}}
.hero-inner{position:relative;padding-bottom:48px}
.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;margin-bottom:18px}
h1{font-size:clamp(2.2rem,7vw,4.6rem);line-height:1.1;letter-spacing:-.03em;font-weight:800;max-width:15ch;word-break:keep-all}
.lead{color:var(--muted);font-size:clamp(1rem,2.2vw,1.2rem);max-width:56ch;margin-top:20px;word-break:keep-all}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:#2b3a52}
.card h3{font-size:1.15rem;margin-bottom:8px}.card p{color:var(--muted);font-size:.95rem;word-break:keep-all}
.tile{min-height:150px;background:linear-gradient(160deg,#141c2d,#0e1420)}
.section{padding:88px 0}.alt{background:var(--bg2)}
.sec-title{font-size:clamp(1.7rem,4.5vw,2.8rem);letter-spacing:-.02em;font-weight:800;margin-bottom:44px;word-break:keep-all}
.feature{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;margin-bottom:72px}
.feature.rev .feature-text{order:2}
.tag{display:inline-block;color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.feature h3{font-size:clamp(1.4rem,3.4vw,2.1rem);line-height:1.25;letter-spacing:-.02em;margin-bottom:14px;word-break:keep-all}
.feature p{color:var(--muted);margin-bottom:24px;word-break:keep-all}
.feature-media{aspect-ratio:16/10;border-radius:var(--r);border:1px solid var(--line);position:relative;overflow:hidden}
.m1{background:linear-gradient(135deg,#0a3a7a,#0082f3 60%,#7c5cff)}.m2{background:linear-gradient(135deg,#3b1b7a,#7c5cff 55%,#ff5c9a)}.m3{background:linear-gradient(135deg,#053b3b,#00b39b 55%,#0082f3)}
.feature-media::after{content:"";position:absolute;inset:-40%;background:conic-gradient(from 0deg,transparent,rgba(255,255,255,.14),transparent 30%);animation:spin 9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.num{display:block;color:var(--accent);font-size:1.1rem;margin-bottom:12px}
.grid6{grid-template-columns:repeat(3,1fr)}
.thumb{aspect-ratio:16/10;border-radius:12px;margin-bottom:18px}
.t1{background:linear-gradient(135deg,#0a3a7a,#0082f3)}.t2{background:linear-gradient(135deg,#3b1b7a,#7c5cff)}.t3{background:linear-gradient(135deg,#053b3b,#00b39b)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step b{display:block;color:var(--accent);font-size:1.6rem;margin-bottom:12px}
.qa{border-bottom:1px solid var(--line);padding:20px 0}
.qa summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.qa summary::-webkit-details-marker{display:none}.qa summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
.qa[open] summary::after{content:"–"}.qa p{color:var(--muted);margin-top:12px;word-break:keep-all}
.cta{background:radial-gradient(60% 80% at 50% 100%,rgba(0,130,243,.28),transparent 70%)}
.cta h2{font-size:clamp(1.8rem,5vw,3rem);letter-spacing:-.02em;font-weight:800;word-break:keep-all}.cta .btn{margin-top:28px}
.footer{border-top:1px solid var(--line);padding:40px 0 48px}
.foot{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}.foot .muted{font-size:.9rem;margin-top:8px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}.reveal.in{opacity:1;transform:none}
@media (max-width:900px){
  .cards3{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}
  .feature{grid-template-columns:1fr;gap:24px;margin-bottom:56px}.feature.rev .feature-text{order:0}
  .section{padding:64px 0}
  .burger{display:block}
  .nav-links{position:fixed;inset:var(--nav) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:rgba(7,9,15,.97);padding:8px 16px 20px;transform:translateY(-120%);transition:transform .3s;border-bottom:1px solid var(--line)}
  .nav-links.open{transform:none}.nav-links a{padding:14px 4px;font-size:1.05rem;color:var(--text)}
  .nav-links .nav-cta{margin-top:10px;text-align:center}
}
@media (max-width:520px){.steps{grid-template-columns:1fr}.hero{padding-top:calc(var(--nav) + 44px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}