:root{
  --bg:#0f161b; --bg2:#141e25; --card:#18242c; --line:#26343d;
  --fg:#e8eeec; --muted:#9fb0ad; --accent:#51c1ba; --accent2:#e8915a; --soft:rgba(81,193,186,.12);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:"Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif;
  line-height:1.7;font-size:16px;-webkit-text-size-adjust:100%}
a{color:var(--accent);text-underline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(15,22,27,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:18px;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:700;letter-spacing:.02em}
.brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#1f3a3a,#0f161b);border:1px solid var(--line);display:grid;place-items:center;font-size:16px;font-weight:700;color:var(--accent)}
.nav nav{margin-left:auto;display:flex;gap:18px;font-size:14.5px}
.nav nav a{color:var(--muted);text-decoration:none}
.nav nav a:hover{color:var(--fg)}
/* hero */
.hero{padding:72px 0 56px;background:radial-gradient(900px 420px at 70% 10%,rgba(81,193,186,.14),transparent 70%)}
.hero .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.kicker{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 14px}
h1{font-size:clamp(32px,5.2vw,54px);line-height:1.18;margin:0 0 18px;letter-spacing:-.01em}
.lead{color:var(--muted);font-size:17.5px;margin:0 0 28px;max-width:34em}
.app-id{display:flex;align-items:center;gap:14px;margin:0 0 26px}
.app-id img{width:64px;height:64px;border-radius:15px}
.app-id b{display:block;font-size:18px}
.app-id span{color:var(--muted);font-size:14px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:12px;text-decoration:none;font-weight:600;font-size:15.5px;border:1px solid var(--line);color:var(--fg);background:var(--card)}
.btn.primary{background:var(--accent);color:#06211f;border-color:var(--accent)}
.btn:hover{filter:brightness(1.08)}
.btn small{display:block;font-weight:500;font-size:11.5px;opacity:.8;line-height:1.1}
.btn .t{line-height:1.2}
.hint{margin:14px 0 0;color:var(--muted);font-size:14px}
.shot{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.45)}
/* sections */
section{padding:72px 0;border-top:1px solid var(--line)}
section.alt{background:var(--bg2)}
h2{font-size:clamp(24px,3.4vw,32px);line-height:1.3;margin:0 0 14px}
.sub{color:var(--muted);max-width:46em;margin:0 0 36px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;border-bottom:1px solid var(--line)}
.card .body{padding:18px 20px 22px}
.card h3{margin:0 0 8px;font-size:17.5px}
.card p{margin:0;color:var(--muted);font-size:15px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 26px 22px}
.panel h3{margin:0 0 12px;font-size:18px}
.panel ul{margin:0;padding-left:20px;color:var(--muted)}
.panel li{margin:0 0 7px}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:999px;background:var(--soft);color:var(--accent);margin-bottom:12px}
.tag.warm{background:rgba(232,145,90,.14);color:var(--accent2)}
.about{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.about p{color:var(--muted);margin:0 0 14px}
.facts{display:grid;grid-template-columns:1fr;gap:12px}
.fact{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.fact b{display:block;font-size:15px;margin-bottom:2px}
.fact span{color:var(--muted);font-size:14.5px}
.classics{font-size:15px;color:var(--fg)}
/* footer */
footer{border-top:1px solid var(--line);padding:40px 0 56px;color:var(--muted);font-size:13.5px}
footer .wrap{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between}
footer dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0}
footer dt{color:var(--fg);opacity:.75}
footer dd{margin:0}
footer .links a{display:block;color:var(--muted);text-decoration:none;margin-bottom:6px}
footer .links a:hover{color:var(--fg)}
@media (max-width:880px){
  .hero{padding:44px 0 40px}
  .hero .grid,.about,.two{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .nav nav{gap:12px;font-size:13.5px}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .nav nav a.hide-s{display:none}
  section{padding:52px 0}
  .btn{flex:1 1 100%;justify-content:center}
}