:root{
  --ink:#111820;
  --muted:#66717d;
  --line:#dfe5e9;
  --paper:#ffffff;
  --soft:#f4f7f8;
  --brand:#11a8aa;
  --brand-dark:#087f82;
  --navy:#17334d;
  --deep:#0d2436;
  --radius:22px;
  --shell:min(1180px, calc(100% - 40px));
  font-size:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Noto Sans KR",Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.skip{position:absolute;left:-9999px;top:8px;background:#000;color:#fff;padding:10px 14px;z-index:999}
.skip:focus{left:8px}
.shell{width:var(--shell);margin:0 auto}
.utility{border-bottom:1px solid var(--line);font-size:.78rem;color:var(--muted);background:#fbfcfc}
.utility-inner{height:38px;display:flex;align-items:center;justify-content:space-between}
.utility-actions{display:flex;align-items:center;gap:8px}
.utility-actions button{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:2px 5px}
.utility-actions a{margin-left:12px;font-weight:700;color:var(--ink)}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:50}
.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:13px;min-width:340px}
.official-logo{width:58px;height:58px;object-fit:cover;border-radius:50%;display:block;flex:0 0 58px}
.brand-copy{display:flex;flex-direction:column;line-height:1.18;border-left:1px solid var(--line);padding-left:13px}
.brand-copy strong{font-size:.72rem;letter-spacing:.08em}
.brand-copy span{font-size:.66rem;color:var(--muted);margin-top:4px}
.main-nav{display:flex;align-items:center;gap:26px;font-size:.88rem;font-weight:700}
.main-nav a{position:relative}
.main-nav a:not(.nav-live):after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--brand);transition:.2s}
.main-nav a:hover:after{right:0}
.nav-live{padding:11px 16px;border-radius:999px;background:var(--ink);color:#fff}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px}

.hero{padding:72px 0 54px;background:linear-gradient(180deg,#fff 0%,#f8fbfb 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:68px;align-items:center}
.eyebrow{font-size:.74rem;letter-spacing:.16em;font-weight:800;color:var(--brand-dark);margin:0 0 16px}
.hero h1{font-size:clamp(2.7rem,5.6vw,5.5rem);line-height:.98;letter-spacing:-.055em;margin:0;max-width:760px}
.hero h1 span{color:var(--brand-dark)}
.hero-lede{font-size:1.08rem;color:#53616d;max-width:700px;margin:26px 0 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;font-weight:800;font-size:.9rem;border:1px solid transparent;transition:.2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-outline{border-color:#aebcc4;background:#fff}
.btn-dark{background:var(--ink);color:#fff;margin-top:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:27px;color:var(--muted);font-size:.78rem}
.hero-meta span{padding-left:14px;position:relative}
.hero-meta span:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);position:absolute;left:0;top:.6em}

.hero-panel{min-height:510px;position:relative;display:grid;place-items:center}
.signal-dot{width:22px;height:22px;border-radius:50%;background:var(--brand);position:absolute;left:50%;top:50%;box-shadow:0 0 0 9px rgba(17,168,170,.12)}
.signal-orbit{position:absolute;border:1px solid rgba(17,168,170,.2);border-radius:50%}
.orbit-a{width:440px;height:440px}.orbit-b{width:620px;height:620px}
.hero-card{position:relative;width:min(430px,92%);background:rgba(255,255,255,.92);border:1px solid var(--line);box-shadow:0 24px 70px rgba(29,62,71,.12);border-radius:30px;padding:34px;z-index:2}
.mini-label{font-size:.7rem;font-weight:800;letter-spacing:.14em;color:var(--brand-dark)}
.hero-card h2{font-size:2rem;line-height:1.12;letter-spacing:-.035em;margin:12px 0 16px}
.hero-card>p:not(.mini-label){font-size:.9rem;color:var(--muted)}
.quick-links{margin-top:24px;border-top:1px solid var(--line)}
.quick-links a{display:grid;grid-template-columns:34px 1fr;gap:2px 8px;padding:18px 0;border-bottom:1px solid var(--line)}
.quick-links span{grid-row:1/3;color:var(--brand-dark);font-weight:800;font-size:.74rem;padding-top:2px}
.quick-links b{font-size:.9rem}.quick-links em{font-size:.74rem;color:var(--muted);font-style:normal}

.action-cards{padding:0 0 72px;background:#f8fbfb}
.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.action-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;min-height:230px;display:flex;flex-direction:column;transition:.2s}
.action-card:hover{transform:translateY(-4px);box-shadow:0 16px 35px rgba(26,57,66,.08)}
.card-index{text-transform:uppercase;font-size:.7rem;letter-spacing:.13em;color:var(--brand-dark);font-weight:800}
.action-card h2{font-size:1.28rem;letter-spacing:-.02em;margin:16px 0 7px}
.action-card p{font-size:.87rem;color:var(--muted);margin:0}
.action-card strong{font-size:.82rem;margin-top:auto;padding-top:22px}

.section{padding:92px 0}
.soft{background:var(--soft)}
.section-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}
.section-title{font-size:clamp(2rem,3.7vw,3.6rem);line-height:1.05;letter-spacing:-.045em;margin:0}
.section-copy{font-size:1.02rem;color:#475660}
.section-copy p{margin-top:0;margin-bottom:18px}
.text-link{font-weight:800;color:var(--brand-dark);font-size:.9rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:60px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats div{padding:30px 18px;border-right:1px solid var(--line)}
.stats div:last-child{border-right:0}
.stats strong{display:block;font-size:2rem;letter-spacing:-.04em}
.stats span{font-size:.75rem;color:var(--muted)}

.section-head{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;align-items:end}
.section-head>p{color:var(--muted);max-width:520px}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px}
.process-grid article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.process-grid span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e6f7f7;color:var(--brand-dark);font-size:.74rem;font-weight:800}
.process-grid h3{font-size:1.1rem;margin:28px 0 8px}
.process-grid p{font-size:.85rem;color:var(--muted);margin:0}
.center-action{text-align:center;padding-top:42px}
.center-action p{font-size:.76rem;color:var(--muted)}

.tag-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:36px}
.tag-list span{padding:10px 14px;border:1px solid #cbd5db;border-radius:999px;font-size:.82rem;background:#fff}

.visit{background:var(--deep);color:#fff;padding:80px 0}
.visit-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.eyebrow.light{color:#8fdbdc}
.visit h2{font-size:clamp(2.6rem,5vw,5rem);line-height:.95;letter-spacing:-.05em;margin:0}
.visit-grid>div:last-child>p{font-size:1.05rem;color:#d9e4ea;margin-top:0}
.visit-info{display:grid;gap:9px;margin-top:28px;color:#aebec8;font-size:.84rem}
.visit-info a{color:#fff}

.onair{background:var(--brand);color:#fff}
.onair-inner{min-height:88px;display:grid;grid-template-columns:1fr 1fr auto;align-items:center;gap:20px;font-size:.83rem}
.onair-status{display:flex;align-items:center;gap:10px}
.onair-status i{width:9px;height:9px;border-radius:50%;background:#fff;box-shadow:0 0 0 6px rgba(255,255,255,.2)}
.onair-inner a{font-weight:900}

.footer{padding:46px 0 26px;background:#0b1116;color:#b8c0c7;font-size:.75rem}
.footer-grid{display:grid;grid-template-columns:1fr 1.5fr .7fr;gap:44px}
.footer-brand{font-size:1rem;color:#fff;font-weight:900}.footer-brand span{color:#6fcfd0}
.footer-grid p{margin:7px 0}
.footer-links{display:flex;flex-direction:column;gap:8px}.footer-links a{color:#fff}
.copyright{border-top:1px solid #26313a;margin-top:30px;padding-top:20px;color:#697682}

@media(max-width:900px){
  :root{--shell:min(100% - 28px, 760px)}
  .main-nav{display:none;position:absolute;left:14px;right:14px;top:78px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:0 18px 50px rgba(0,0,0,.12);flex-direction:column;align-items:stretch}
  .main-nav.open{display:flex}
  .nav-live{text-align:center}
  .menu-btn{display:block}
  .brand{min-width:0}
  .hero{padding-top:46px}
  .hero-grid,.section-grid,.section-head,.visit-grid{grid-template-columns:1fr;gap:36px}
  .hero-panel{min-height:430px}
  .three-grid,.process-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(2){border-right:0}
  .footer-grid{grid-template-columns:1fr}
  .onair-inner{grid-template-columns:1fr auto}.onair-inner>div:nth-child(2){display:none}
}
@media(max-width:560px){
  .utility-inner>div:first-child{display:none}
  .utility-inner{justify-content:flex-end}
  .header-inner{min-height:74px}
  .brand{min-width:0;gap:8px}
  .official-logo{width:52px;height:52px;flex-basis:52px}
  .brand-copy{display:none}
  .hero h1{font-size:3.05rem}
  .hero-panel{min-height:390px}
  .hero-card{padding:25px}
  .orbit-a{width:340px;height:340px}.orbit-b{width:480px;height:480px}
  .stats{grid-template-columns:1fr 1fr}
  .stats strong{font-size:1.55rem}
  .section{padding:70px 0}
  .onair-inner{min-height:78px}
  .onair-status strong{font-size:.78rem}
}