:root{
  --bg:#0b1220;
  --surface:#0f1a2f;
  --card:#111f3a;
  --text:#0e1420;
  --muted:#5b667a;
  --white:#ffffff;
  --line:rgba(15,26,47,.12);
  --shadow:0 14px 50px rgba(2,8,23,.12);
  --shadow2:0 18px 60px rgba(2,8,23,.16);
  --r:18px;
  --r2:24px;
  --max:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Apple SD Gothic Neo, Noto Sans KR, Arial, sans-serif;
  color:var(--text);
  background: #f6f7fb;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:min(var(--max), calc(100% - 36px)); margin:0 auto;}

.skip{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{left:12px; top:12px; width:auto; height:auto; background:#fff; padding:10px 12px; border-radius:10px; box-shadow:var(--shadow); z-index:1000;}

.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(246,247,251,.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15,26,47,.08);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:14px; padding:14px 0;
}
.brand{display:flex; align-items:center; gap:12px; min-width: 240px;}
.brand__logo{
  width:40px;height:40px;border-radius:14px;
  background: linear-gradient(135deg, #1d4ed8, #06b6d4);
  display:grid; place-items:center;
  color:#fff; font-weight:800; letter-spacing:.5px;
  box-shadow: 0 12px 30px rgba(29,78,216,.22);
}
.brand__name{font-weight:900; font-size:16px; line-height:1.1}
.brand__tag{font-size:12px; color:rgba(14,20,32,.72); margin-top:2px}

.nav{display:flex; gap:14px; flex-wrap:wrap; justify-content:center;}
.nav a{
  font-size:13px; color:rgba(14,20,32,.72);
  padding:8px 10px; border-radius:999px;
}
.nav a:hover{background:rgba(15,26,47,.06); color:rgba(14,20,32,.9);}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:12px 14px;
  border-radius:14px;
  background: linear-gradient(135deg, #1d4ed8, #06b6d4);
  color:#fff;
  font-weight:800;
  border:0;
  box-shadow: 0 14px 40px rgba(29,78,216,.22);
  cursor:pointer;
  transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
  white-space:nowrap;
}
.btn:hover{transform: translateY(-1px); filter: saturate(1.05); box-shadow: 0 18px 55px rgba(29,78,216,.24);}
.btn:active{transform: translateY(0px); box-shadow: 0 10px 28px rgba(29,78,216,.22);}

.btn--ghost{
  background:#fff;
  color: rgba(14,20,32,.9);
  border:1px solid rgba(15,26,47,.12);
  box-shadow: 0 10px 26px rgba(2,8,23,.08);
}
.btn--ghost:hover{box-shadow: 0 14px 36px rgba(2,8,23,.10);}

.hero{
  padding: 34px 0 0;
  position:relative;
}
.hero:before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(1000px 480px at 10% 0%, rgba(29,78,216,.22), transparent 55%),
    radial-gradient(900px 420px at 90% 10%, rgba(6,182,212,.20), transparent 60%);
  pointer-events:none;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.08fr .92fr;
  gap:26px;
  align-items: start;
  position:relative;
}
.chip{
  display:inline-flex; align-items:center;
  padding:8px 10px;
  border-radius:999px;
  background: rgba(29,78,216,.10);
  color: rgba(29,78,216,.95);
  font-weight:800;
  font-size:12px;
  border:1px solid rgba(29,78,216,.16);
  margin:0 0 12px;
}
.hero h1{
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.5px;
}
.grad{
  background: linear-gradient(135deg, #1d4ed8, #06b6d4);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{
  margin:0 0 16px;
  color: rgba(14,20,32,.78);
  font-size: 14.5px;
  line-height: 1.65;
}
.hero__cta{display:flex; gap:10px; flex-wrap:wrap; margin: 10px 0 12px;}
.bullets{
  display:grid;
  gap:8px;
  padding:0; margin: 14px 0 0;
  list-style:none;
  color: rgba(14,20,32,.82);
  font-weight:700;
  font-size:13px;
}

.hero__media{display:grid; gap:12px;}
.media-card{
  position:relative;
  border-radius: var(--r2);
  overflow:hidden;
  box-shadow: var(--shadow2);
  border: 1px solid rgba(15,26,47,.10);
  background:#fff;
}
.media-card img{width:100%; height:100%; min-height:360px; object-fit:cover; display:block;}
.media-card__badge{
  position:absolute; left:12px; bottom:12px;
  padding:8px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.85);
  border:1px solid rgba(15,26,47,.12);
  font-size:12px; font-weight:800;
  backdrop-filter: blur(10px);
}

.mini-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:10px;
}
.mini-grid img{
  height: 98px;
  border-radius: 16px;
  object-fit:cover;
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 10px 28px rgba(2,8,23,.08);
}

.hero__stats{margin-top: 18px;}
.stats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px;
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 14px 45px rgba(2,8,23,.08);
  position:relative;
}
.stat{
  padding: 12px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(15,26,47,.08);
}
.stat__k{font-size:12px; color: rgba(14,20,32,.72); font-weight:900;}
.stat__v{margin-top:6px; font-size:13.5px; font-weight:900; color: rgba(14,20,32,.92);}

.section{padding: 42px 0;}
.section--alt{background: #ffffff;}
.section__head{margin-bottom: 16px;}
.section__head h2{margin:0 0 6px; font-size:22px; letter-spacing:-.2px;}
.section__head p{margin:0; color: rgba(14,20,32,.70); font-weight:600; font-size:13.5px; line-height:1.55;}

.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  background:#fff;
  border-radius: 22px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 14px 42px rgba(2,8,23,.08);
}
.card__icon{
  width:44px; height:44px; border-radius: 16px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(29,78,216,.14), rgba(6,182,212,.12));
  border: 1px solid rgba(29,78,216,.14);
  font-size:20px;
  margin-bottom: 10px;
}
.card h3{margin:0 0 6px; font-size:16px;}
.card p{margin:0 0 12px; color: rgba(14,20,32,.72); font-weight:600; line-height:1.55; font-size:13px;}
.card ul{margin:0; padding-left: 18px; color: rgba(14,20,32,.76); font-weight:700; font-size:13px; line-height:1.55;}
.card li{margin: 6px 0;}


.card__top{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-bottom: 10px;
}
.card__titles h3{margin:0 0 2px; font-size:16px;}
.card__sub{
  font-size:12.5px;
  color: rgba(14,20,32,.70);
  font-weight:800;
}
.card__img{
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 12px 30px rgba(2,8,23,.07);
  margin: 10px 0 12px;
  background:#fff;
}
.card__img img{
  width:100%;
  height: 140px;
  object-fit: cover;
}
.hero__note{margin: 12px auto 0;}
.hero__note__box{
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 14px 45px rgba(2,8,23,.08);
  border-radius: 22px;
  padding: 14px 16px;
  font-weight:700;
  color: rgba(14,20,32,.78);
  line-height:1.55;
  font-size:13px;
}

.gallery{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.thumb{
  border:0; padding:0; background:transparent;
  cursor:pointer;
  border-radius: 18px;
  overflow:hidden;
  position:relative;
  box-shadow: 0 10px 30px rgba(2,8,23,.08);
  border: 1px solid rgba(15,26,47,.10);
}
.thumb img{
  width:100%;
  height: 130px;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform .16s ease;
}
.thumb:hover img{transform: scale(1.06);}

.steps{list-style:none; padding:0; margin:0; display:grid; gap:10px;}
.step{
  display:grid; grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: 22px;
  background:#fff;
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 14px 42px rgba(2,8,23,.08);
}
.step__n{
  width:44px; height:44px; border-radius: 16px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, #1d4ed8, #06b6d4);
  color:#fff; font-weight:900;
  box-shadow: 0 12px 30px rgba(29,78,216,.22);
}
.step h3{margin:0 0 6px; font-size:15px;}
.step p{margin:0; color: rgba(14,20,32,.72); font-weight:600; line-height:1.55; font-size:13px;}

.callout{
  margin-top: 14px;
  display:flex; align-items:center; justify-content:space-between;
  gap: 14px;
  padding: 16px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(29,78,216,.12), rgba(6,182,212,.10));
  border: 1px solid rgba(29,78,216,.16);
}
.callout h3{margin:0 0 6px; font-size:16px;}
.callout p{margin:0; color: rgba(14,20,32,.76); font-weight:650; font-size:13px; line-height:1.55;}

.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact__card{
  background:#fff;
  border-radius: 24px;
  padding: 18px;
  border: 1px solid rgba(15,26,47,.10);
  box-shadow: 0 14px 42px rgba(2,8,23,.08);
}
.contact__k{font-weight:900; font-size:12px; color: rgba(14,20,32,.70);}
.contact__v{margin-top: 8px; font-size: 22px; font-weight: 950; letter-spacing: -0.3px;}
.contact__p{margin-top: 8px; color: rgba(14,20,32,.72); font-weight:650; font-size:13px; line-height:1.55;}
.contact__btns{margin-top: 12px; display:flex; gap: 10px; flex-wrap:wrap;}
.tips{margin: 12px 0 0; padding-left: 18px; color: rgba(14,20,32,.78); font-weight:750; font-size:13px; line-height:1.6;}
.contact__card--tips{background: #fbfcff;}

.footer{
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(15,26,47,.10);
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.3fr .7fr 1fr;
  gap: 14px;
  align-items:start;
}
.footer__brand{font-weight:950; letter-spacing:-.2px;}
.footer__sub{margin-top:4px; color: rgba(14,20,32,.70); font-weight:650; font-size:13px;}
.footer__label{font-size:12px; color: rgba(14,20,32,.70); font-weight:900;}
.footer__link{display:inline-block; margin-top:6px; font-weight:900;}
.footer__small{margin-top:6px; color: rgba(14,20,32,.62); font-weight:650; font-size:12.5px; line-height:1.55;}

.lightbox{
  position:fixed; inset:0;
  display:none;
  z-index:200;
}
.lightbox[aria-hidden="false"]{display:block;}
.lightbox__backdrop{
  position:absolute; inset:0;
  background: rgba(2,8,23,.74);
}
.lightbox__dialog{
  position:relative;
  width:min(980px, calc(100% - 24px));
  margin: 6vh auto 0;
  background:#0b1220;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 22px;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
  overflow:hidden;
}
.lightbox__dialog img{
  width:100%;
  height: min(72vh, 720px);
  object-fit: contain;
  background:#0b1220;
}
.lightbox__close{
  position:absolute; top:10px; right:10px;
  width:40px; height:40px; border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  color:#fff; cursor:pointer;
  font-weight:900;
}
.lightbox__help{
  padding: 10px 12px;
  color: rgba(255,255,255,.78);
  font-weight:650;
  font-size:12px;
  border-top: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}

@media (max-width: 980px){
  .hero__grid{grid-template-columns: 1fr;}
  .brand{min-width:auto;}
  .nav{display:none;}
  .media-card img{height: 320px;}
  .mini-grid{grid-template-columns: repeat(4, 1fr);}
  .stats{grid-template-columns: 1fr; }
  .cards{grid-template-columns: 1fr; }
  .gallery{grid-template-columns: repeat(3, 1fr);}
  .contact{grid-template-columns: 1fr;}
  .footer__grid{grid-template-columns: 1fr;}
}