/* ══ KUMA WINTER — 웹사이트 모드 ══ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --snow:#F4F8FC; --snow2:#E4EDF6; --shade:#C6D6E6;
  --deep:#0E1A2E; --deep2:#182B47; --deep3:#25405F;
  --ice:#5FC2DD; --ice2:#2C90B2; --iceglow:#9BE3F5;
  --pine:#1E4438; --pine2:#2F6A54;
  --ember:#FF9E3D; --ember2:#E07B18;
  --ink:#12202F; --ink2:#5B6E85; --line:#D3E0EC;
  --hand:'Gaegu','Nanum Pen Script',cursive;
  --disp:'Jua','Pretendard','Noto Sans KR',sans-serif;
  --sans:'Pretendard Variable','Pretendard','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',sans-serif;
}
html{scroll-behavior:smooth}
body{font:16px/1.75 var(--sans);color:var(--ink);background:var(--snow);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
body.mode-game{overflow:hidden}
body.mode-game #site{display:none}
body.mode-site #game{display:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
kbd{font:600 12px/1 var(--sans);display:inline-grid;place-items:center;min-width:26px;height:26px;
  padding:0 7px;border-radius:7px;background:#fff;border:1px solid var(--line);
  box-shadow:0 2px 0 var(--shade);color:var(--deep2);vertical-align:middle}
kbd.wide{min-width:auto;padding:0 12px}
.sec-in{width:min(1120px,100% - 40px);margin-inline:auto}

/* ── 헤더 ── */
.hd{position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(244,248,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.hd-in{width:min(1120px,100% - 40px);margin-inline:auto;height:64px;display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;color:var(--deep);flex:none}
.logo svg{width:28px;height:28px}
.logo span{font:800 17px/1 var(--sans);letter-spacing:-.4px}
.logo b{color:var(--ice2);font-weight:800;margin-left:4px}
.nav{display:flex;gap:22px;margin-left:auto;font-size:14.5px;font-weight:600;color:var(--ink2)}
.nav a{padding:6px 0;border-bottom:2px solid transparent;transition:.18s}
.nav a:hover{color:var(--deep);border-color:var(--ice)}
.btn-play{flex:none;height:40px;padding:0 20px;border-radius:11px;font-weight:800;font-size:14.5px;
  color:#fff;background:linear-gradient(180deg,var(--ember),var(--ember2));
  box-shadow:0 3px 0 #B85F0A,0 8px 18px rgba(224,123,24,.32);transition:.15s}
.btn-play:hover{transform:translateY(-1px);box-shadow:0 4px 0 #B85F0A,0 12px 22px rgba(224,123,24,.4)}
.btn-play:active{transform:translateY(2px);box-shadow:0 1px 0 #B85F0A}

/* ── 히어로 ── */
.hero{position:relative;min-height:100svh;display:grid;place-items:center;padding:110px 0 80px;
  background:linear-gradient(175deg,#0E1A2E 0%,#1D3557 38%,#4E7CA8 66%,#9CC4E0 84%,#E4EDF6 100%);
  overflow:hidden}
.snowfall{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-fade{position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(180deg,rgba(228,237,246,0),var(--snow))}
.hero-in{position:relative;z-index:2;width:min(1120px,100% - 40px);text-align:center;color:#fff}
.eyebrow{font:700 13px/1 var(--sans);letter-spacing:2.4px;color:var(--iceglow);text-transform:uppercase;margin-bottom:22px}
.hero h1{font:400 clamp(36px,6.8vw,80px)/1.2 var(--disp);letter-spacing:.3px;
  text-shadow:0 6px 30px rgba(6,14,28,.55)}
.hero h1 em{font-style:normal;color:var(--iceglow);position:relative;
  text-shadow:0 6px 30px rgba(6,14,28,.5)}
.hero h1 em::after{content:"";position:absolute;left:-2%;right:-2%;bottom:.1em;height:.13em;border-radius:99px;
  background:linear-gradient(90deg,rgba(95,194,221,0),var(--ice),rgba(95,194,221,0))}
.lead{margin:24px auto 0;max-width:560px;font-size:16.5px;line-height:1.85;color:#D8E6F2}
.hero-btns{margin-top:36px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-lg{height:56px;padding:0 34px;border-radius:15px;font-weight:800;font-size:16.5px;color:#fff;
  background:linear-gradient(180deg,var(--ember),var(--ember2));
  box-shadow:0 4px 0 #B85F0A,0 14px 30px rgba(224,123,24,.35);transition:.15s;display:inline-grid;place-items:center}
.btn-lg:hover{transform:translateY(-2px);box-shadow:0 6px 0 #B85F0A,0 18px 36px rgba(224,123,24,.45)}
.btn-lg:active{transform:translateY(2px);box-shadow:0 2px 0 #B85F0A}
.btn-lg.ghost{background:rgba(255,255,255,.09);color:#fff;border:1.5px solid rgba(255,255,255,.4);
  box-shadow:none;backdrop-filter:blur(6px)}
.btn-lg.ghost:hover{background:rgba(255,255,255,.17);transform:translateY(-2px);box-shadow:none}
.hero-keys{margin-top:34px;display:flex;gap:26px;justify-content:center;flex-wrap:wrap;
  list-style:none;font-size:13.5px;font-weight:600;color:#C9DCEB}
.hero-keys kbd{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff;
  box-shadow:0 2px 0 rgba(0,0,0,.25);margin-right:2px}

/* ── 섹션 ── */
.sec{padding:92px 0}
.sec.alt{background:var(--snow2)}
.sec-t{font:400 clamp(25px,3.4vw,36px)/1.25 var(--disp);letter-spacing:.2px;color:var(--deep);
  margin-bottom:40px;position:relative;padding-left:20px}
.sec-t::before{content:"";position:absolute;left:0;top:.24em;width:8px;height:calc(100% - .48em);
  border-radius:4px;background:linear-gradient(180deg,var(--ice),var(--ice2))}

.char{display:grid;grid-template-columns:400px 1fr;gap:56px;align-items:center}
.char-vis{aspect-ratio:1;border-radius:26px;overflow:hidden;position:relative;
  box-shadow:0 20px 50px rgba(14,26,46,.22);border:1px solid var(--line)}
.char-vis img{width:100%;height:100%;object-fit:cover;display:block}
.char-txt h3{font:400 30px/1.2 var(--disp);color:var(--deep);margin-bottom:14px}
.char-txt p{color:var(--ink2);font-size:16px}
.stat{margin-top:26px;border-top:1px solid var(--line)}
.stat>div{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.stat dt{font-weight:800;color:var(--ice2);font-size:14.5px}
.stat dd{color:var(--ink);font-size:15px}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:0 8px 22px rgba(20,40,70,.05);transition:.2s}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(20,40,70,.12);border-color:var(--ice)}
.card img{width:100%;aspect-ratio:720/460;object-fit:cover;display:block;background:var(--snow2)}
.card-b{padding:20px 20px 24px}
.card .ico{font-size:26px;display:block;margin-bottom:10px}
.card h4{font:800 17px/1.3 var(--sans);color:var(--deep);margin-bottom:8px}
.card p{font-size:14.5px;line-height:1.72;color:var(--ink2)}

.keys{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 40px}
.krow{display:grid;grid-template-columns:190px 1fr;gap:18px;align-items:center;
  padding:16px 0;border-bottom:1px dashed var(--line)}
.kk{display:flex;gap:5px}
.krow p{font-size:15px;color:var(--ink2)}

.qlist{list-style:none;display:grid;gap:12px;margin-bottom:38px}
.qlist li{background:var(--deep);color:#fff;border-radius:14px;padding:18px 24px;
  display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}
.qlist b{font:400 18.5px/1.35 var(--disp);letter-spacing:.2px;color:#EDD9A0}
.qlist span{font-size:14.5px;color:#A9BFD4}

.ft{background:var(--deep);color:#fff;padding:52px 0}
.ft-b{font:400 24px/1 var(--disp);letter-spacing:1px}
.ft-s{margin-top:10px;font-size:13.5px;color:#8FA6BE}

@media (max-width:900px){
  .nav{display:none}
  .char{grid-template-columns:1fr;gap:28px}
  .char-vis{max-width:340px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .keys{grid-template-columns:1fr}
  .krow{grid-template-columns:150px 1fr}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .hero-keys{gap:14px;font-size:12.5px}
  .sec{padding:64px 0}
}