:root{
  --navy:#050F24; --navy-2:#0C1E3D; --navy-3:#030A19; --ink:#0A1A33;
  --body:#42536E; --muted:#5B6B84; --line:#DCE4EF; --tint:#F3F6FA;
  --blue:#0B5FD6; --accent:#38B6FF; --on-dark:#C3D1E6; --on-dark-2:#A9BCD8;
  --radius:16px; --wrap:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:'IBM Plex Sans KR',system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;word-break:keep-all;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3,h4{margin:0;letter-spacing:-0.02em}
p{margin:0}
.en{font-family:'Space Grotesk',sans-serif}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
.section{padding:112px 0}
.stack{display:flex;flex-direction:column;gap:56px}
.dark{background:var(--navy);color:#fff}
.tint{background:var(--tint)}
.eyebrow{font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:600;letter-spacing:.18em;color:var(--blue);text-transform:uppercase}
.dark .eyebrow{color:var(--accent)}
.h2{font-size:40px;line-height:1.3;font-weight:700}
.lead{font-size:17px;line-height:1.8;color:var(--body)}
.dark .lead{color:var(--on-dark)}
.split{display:flex;flex-wrap:wrap;gap:32px 64px;align-items:flex-end}
.split>*{flex:1 1 420px;min-width:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;font-family:inherit;transition:filter .15s,background .15s}
.btn-accent{background:var(--accent);color:#04122B}
.btn-accent:hover{filter:brightness(1.1)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;font-weight:500}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-dark{background:var(--ink);color:#fff;min-height:48px;padding:0 24px}
.btn-line{border:1px solid #B9C6D8;color:var(--ink);font-weight:500;min-height:48px;padding:0 24px}
.btn-line:hover{background:var(--tint)}
.row{display:flex;flex-wrap:wrap;gap:12px}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(5,15,36,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}
.brand img{width:44px;height:42px;object-fit:contain}
.brand b{display:block;font-family:'Space Grotesk',sans-serif;font-size:20px;letter-spacing:.12em;line-height:1.15}
.brand small{display:block;font-size:12px;color:var(--on-dark-2)}
.nav{display:flex;align-items:center;gap:28px;font-size:15px}
.nav a{color:#D6E2F3;text-decoration:none;padding:12px 0}
.nav a:hover{color:#fff}
.nav .btn{min-height:44px;padding:0 20px;font-size:15px;color:#04122B}
.menu-btn{display:none;width:44px;height:44px;border:0;background:transparent;color:#fff;cursor:pointer;border-radius:10px}
.menu-btn:hover{background:rgba(255,255,255,.08)}

/* hero */
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding-top:96px;padding-bottom:72px}
.hero-copy{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:28px}
.hero h1{font-size:56px;line-height:1.18;font-weight:700}
.hero .lead{font-size:19px;line-height:1.7;max-width:560px}
.hero .lead strong{color:#fff;font-weight:600}
.hero figure{flex:1 1 420px;min-width:0;margin:0;position:relative}
.hero figure img{width:100%;height:440px;object-fit:cover;border-radius:20px}
.hero figcaption{position:absolute;left:16px;bottom:16px;padding:8px 14px;border-radius:999px;background:rgba(5,15,36,.78);font-size:13px;color:#D6E2F3}
.stats{border-top:1px solid rgba(255,255,255,.1)}
.stats .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;padding-top:36px;padding-bottom:48px}
.stat b{display:block;font-family:'Space Grotesk',sans-serif;font-size:40px;font-weight:600}
.stat b span{color:var(--accent)}
.stat small{font-size:14px;color:var(--on-dark-2)}

/* cards */
.card{display:flex;flex-direction:column;gap:14px;padding:32px;border-radius:var(--radius);background:var(--tint)}
.card h3{font-size:22px}
.card p{font-size:16px;line-height:1.7;color:var(--body)}
.card .tag{font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:600;color:var(--muted)}
.card.inverse{background:var(--ink);color:#fff}
.card.inverse p{color:var(--on-dark)}
.card.inverse .tag{color:#7FC4FF}
.card.white{background:#fff;border:1px solid var(--line);padding:28px}
.card.outline{background:#fff;border:1px solid var(--line);padding:28px;gap:10px}
.card.outline.on{border:2px solid var(--blue)}
.card.outline.on .tag{color:var(--blue)}
.card .num{font-family:'Space Grotesk',sans-serif;font-size:32px;font-weight:600;color:var(--blue)}
.card.white h3,.card.outline h3{font-size:19px}
.card.white p,.card.outline p{font-size:15px}
ol.grid{list-style:none;margin:0;padding:0}

.compare{display:flex;flex-wrap:wrap;gap:40px;align-items:center;padding:40px;border-radius:20px;background:#fff;border:1px solid var(--line)}
.compare>div:first-child{flex:1 1 320px;min-width:0;display:flex;flex-direction:column;gap:14px}
.compare h3{font-size:26px;line-height:1.4}
.compare .figs{flex:2 1 560px;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.compare figure{margin:0;display:flex;flex-direction:column;gap:12px}
.compare figure img{width:100%;height:200px;object-fit:cover;border-radius:12px}
.compare figcaption{display:flex;justify-content:space-between;font-size:14px;color:var(--body)}
.compare figcaption strong{font-family:'Space Grotesk',sans-serif;color:var(--ink)}
.compare figure:last-child figcaption strong{color:var(--blue)}

/* product */
.product{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.product .shot{flex:1 1 420px;min-width:0;display:flex;justify-content:center;padding:40px;border-radius:24px;background:var(--tint)}
.product .shot img{width:100%;max-width:420px;height:440px;object-fit:contain;mix-blend-mode:multiply}
.product .info{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:22px}
.product h2 span{display:block;font-size:26px;font-weight:600;color:var(--body);margin-top:4px}
.checks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 24px}
.checks li{display:flex;gap:10px;font-size:15px;line-height:1.6}
.checks svg{flex:none;margin-top:2px}
.h3{font-size:22px;font-weight:700}
.table-box{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.table-box table{width:100%;min-width:640px;border-collapse:collapse;font-size:15px}
.table-box tr+tr{border-top:1px solid var(--line)}
.table-box th{text-align:left;padding:16px 24px;background:#F7F9FC;font-weight:600;color:var(--body);width:22%}
.table-box td{padding:16px 24px}

/* rnd */
.rnd{display:flex;flex-wrap:wrap;gap:24px}
.panel{display:flex;flex-direction:column;gap:12px;padding:32px;border-radius:20px;background:var(--navy-2);border:1px solid rgba(255,255,255,.08)}
.panel h3{font-size:22px;line-height:1.4}
.panel p{font-size:15px;line-height:1.75;color:var(--on-dark)}
.panel .tag{font-family:'Space Grotesk',sans-serif;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--accent)}
.panel.wide{flex:1 1 520px;min-width:0;flex-direction:row;flex-wrap:wrap;gap:28px}
.panel.wide img{flex:1 1 200px;min-width:0;height:280px;object-fit:cover;border-radius:12px}
.panel.wide>div{flex:1 1 240px;min-width:0;display:flex;flex-direction:column;gap:12px}
.panel.narrow{flex:1 1 360px;min-width:0}
.mini{margin-top:auto;display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
.mini b{display:block;font-family:'Space Grotesk',sans-serif;font-size:28px;font-weight:600}
.mini small{font-size:13px;color:var(--on-dark-2)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:12px}
.chips li{padding:10px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.2);font-size:14px;color:#D6E2F3}

/* applications */
.two{display:flex;flex-wrap:wrap;gap:56px}
.two>div{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:24px}
.two .h2{font-size:34px;line-height:1.35}
.list{list-style:none;margin:0;padding:0}
.list li{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px 16px;padding:18px 0;border-bottom:1px solid var(--line);font-size:17px}
.list li b{font-weight:600}
.list li span{color:var(--muted)}
.svc{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.svc div{display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:14px;background:var(--tint)}
.svc h3{font-size:17px}
.svc p{font-size:14px;line-height:1.7;color:var(--body)}

/* company */
.quote{margin:0;padding-top:28px;border-top:1px solid #C9D4E3;display:flex;flex-direction:column;gap:16px}
.quote p{font-size:17px;line-height:1.85;color:var(--body)}
.quote footer{font-size:15px}
.quote footer span{color:var(--muted)}
.facts{padding:12px 32px;border-radius:20px;background:#fff;border:1px solid var(--line)}
.facts dl{margin:0;display:grid;grid-template-columns:minmax(96px,140px) minmax(0,1fr);font-size:16px}
.facts dt,.facts dd{padding:18px 0;border-bottom:1px solid #E6ECF4}
.facts dt{color:var(--muted)}
.facts dd{margin:0;font-weight:500}
.facts dt:last-of-type,.facts dd:last-of-type{border-bottom:0}

/* contact */
.contact-info{display:flex;flex-direction:column;gap:14px;font-size:16px}
.contact-info a,.contact-info span{display:flex;align-items:center;gap:12px;min-height:44px;color:var(--on-dark);text-decoration:none}
.contact-info a{color:#fff}
.contact-info a:hover{color:var(--accent)}
.form{flex:1 1 520px;min-width:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:36px;border-radius:20px;background:var(--navy-2);border:1px solid rgba(255,255,255,.08)}
.form label{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--on-dark)}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{min-height:48px;padding:0 14px;border-radius:10px;border:1px solid #2A3F63;background:#071630;color:#fff;font-size:16px;font-family:inherit}
.form textarea{padding:12px 14px;resize:vertical}
.form ::placeholder{color:#6F84A6}
.form :focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.form .note{font-size:13px;color:var(--on-dark-2);min-height:20px}
.form .btn{grid-column:1/-1;font-weight:700}

.site-footer{background:var(--navy-3);color:#8EA3C2}
.site-footer .wrap{padding-top:40px;padding-bottom:40px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;font-size:13px;line-height:1.8}
.site-footer .brand-line{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk',sans-serif;font-size:14px;color:var(--on-dark)}
.site-footer img{width:32px;height:30px;object-fit:contain}

a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

@media (max-width:900px){
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .nav{display:none;position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 20px;background:var(--navy);border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.open{display:flex}
  .nav a{padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav .btn{margin-top:12px;border-bottom:0}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .section{padding:72px 0}
  .stack{gap:40px}
  .hero .wrap{padding-top:56px;gap:36px}
  .hero h1{font-size:36px}
  .hero .lead{font-size:17px}
  .hero figure img{height:280px}
  .h2{font-size:30px}
  .two .h2{font-size:28px}
  .stat b{font-size:32px}
  .product .shot{padding:20px}
  .product .shot img{height:300px}
  .compare,.form{padding:24px}
  .facts{padding:4px 20px}
  .card{padding:24px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}