/* =========================================================================
   모두의 게임 — NATAS 팀 공용 스타일 (no-build, 정적)
   허브 / 테마 페이지 / 게임 셸이 모두 이 파일 하나를 공유한다.
   ========================================================================= */
:root{
  --bg:#0a0e1a; --bg2:#0d1224; --panel:#121a30; --panel2:#16203a;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --ink:#eef2ff; --muted:#9aa6c4; --muted2:#6b779a;
  --accent:#7c9cff; --accent2:#22d3ee;
  --gold:#fbbf24;
  --grad-arcade:linear-gradient(135deg,#f59e0b,#ef4444);
  --grad-puzzle:linear-gradient(135deg,#22d3ee,#3b82f6);
  --grad-board:linear-gradient(135deg,#34d399,#10b981);
  --grad-action:linear-gradient(135deg,#f472b6,#ef4444);
  --grad-strategy:linear-gradient(135deg,#a78bfa,#6366f1);
  --grad-casual:linear-gradient(135deg,#c084fc,#7c3aed);
  --radius:18px; --maxw:1180px;
  --header-h:64px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Pretendard","Apple SD Gothic Neo",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%,rgba(124,156,255,.14),transparent 60%),
    radial-gradient(1000px 500px at 100% 0%,rgba(34,211,238,.10),transparent 55%),
    var(--bg);
  color:var(--ink); -webkit-font-smoothing:antialiased; line-height:1.55;
  min-height:100vh; display:flex; flex-direction:column;
}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
main{flex:1 0 auto;padding:38px 0 64px}

/* ---------- Header (주입됨) ---------- */
.natas-header{
  position:sticky;top:0;z-index:50;min-height:var(--header-h);
  display:flex;align-items:center;gap:18px;
  padding:10px 20px;
  background:rgba(10,14,26,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.natas-header .inner{width:100%;max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:18px}
.natas-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;white-space:nowrap}
.natas-brand .logo{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#7c9cff,#22d3ee);font-size:18px}
.natas-brand small{color:var(--muted);font-weight:600;font-size:12px}
.natas-nav{display:flex;gap:4px;flex:1;flex-wrap:wrap;margin-left:6px}
.natas-nav a{padding:7px 12px;border-radius:10px;font-size:14px;color:var(--muted);font-weight:600}
.natas-nav a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.natas-nav a.active{color:var(--ink);background:rgba(124,156,255,.16)}
.natas-sub{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:9px 16px;border-radius:11px;font-weight:800;font-size:14px;
  color:#0a0e1a;background:linear-gradient(135deg,#fbbf24,#f59e0b);
  box-shadow:0 6px 20px rgba(245,158,11,.25)}
.natas-sub:hover{filter:brightness(1.05)}
.natas-burger{display:none;background:none;border:1px solid var(--line2);color:var(--ink);
  border-radius:10px;padding:8px 11px;font-size:16px;cursor:pointer}

/* ---------- Footer (주입됨) ---------- */
.natas-footer{flex-shrink:0;border-top:1px solid var(--line);background:rgba(8,11,20,.6);
  padding:30px 20px;color:var(--muted)}
.natas-footer .inner{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;
  gap:18px 32px;align-items:flex-start;justify-content:space-between;font-size:13px}
.natas-footer a{color:var(--accent)}
.natas-footer a:hover{color:var(--ink)}
.natas-footer .biz{color:var(--muted2);font-size:12px;line-height:1.7;max-width:560px}
.natas-footer .copy{color:var(--muted2);font-size:12px;width:100%;border-top:1px solid var(--line);
  margin-top:8px;padding-top:14px}

/* ---------- Hero / page head ---------- */
.crumb{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--ink)}
.page-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:30px}
.page-head .ico{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;
  font-size:30px;flex-shrink:0;background:var(--g,var(--grad-puzzle));box-shadow:0 10px 30px rgba(0,0,0,.35)}
.page-head h1{margin:0;font-size:clamp(26px,4vw,40px);font-weight:900;letter-spacing:-.01em}
.page-head p{margin:6px 0 0;color:var(--muted);max-width:720px}

.hero{position:relative;border:1px solid var(--line);border-radius:24px;overflow:hidden;
  padding:46px 30px;margin-bottom:36px;
  background:
    radial-gradient(700px 300px at 10% 0%,rgba(124,156,255,.22),transparent 60%),
    radial-gradient(600px 300px at 100% 100%,rgba(34,211,238,.16),transparent 60%),
    var(--panel)}
.hero h1{margin:0;font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:-.02em}
.hero .tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--accent2);
  text-transform:uppercase;margin-bottom:14px}
.hero p{margin:14px 0 0;color:var(--muted);font-size:17px;max-width:640px}
.hero .cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:800;
  border:1px solid var(--line2);color:var(--ink);background:rgba(255,255,255,.04)}
.btn:hover{background:rgba(255,255,255,.08)}
.btn-primary{border:none;color:#0a0e1a;background:linear-gradient(135deg,#7c9cff,#22d3ee)}
.btn-gold{border:none;color:#0a0e1a;background:linear-gradient(135deg,#fbbf24,#f59e0b)}

/* ---------- Theme grid (hub) ---------- */
.section-title{font-size:14px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted2);margin:8px 0 16px}
.theme-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.theme-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  background:var(--panel);overflow:hidden;transition:transform .15s,border-color .15s}
.theme-card:hover{transform:translateY(-4px);border-color:var(--line2)}
.theme-card::before{content:"";position:absolute;inset:0;opacity:.16;background:var(--g);pointer-events:none}
.theme-card .ico{position:relative;width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  font-size:27px;background:var(--g);margin-bottom:16px}
.theme-card h3{position:relative;margin:0 0 6px;font-size:20px;font-weight:800}
.theme-card p{position:relative;margin:0;color:var(--muted);font-size:14px}
.theme-card .count{position:relative;display:inline-block;margin-top:14px;font-size:12px;font-weight:700;
  color:var(--ink);background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:999px;padding:4px 11px}

/* ---------- Game grid (theme page) ---------- */
.game-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.game-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);
  border-radius:16px;overflow:hidden;background:var(--panel);transition:transform .15s,border-color .15s}
.game-card:hover{transform:translateY(-4px);border-color:var(--line2)}
.game-thumb{height:118px;display:grid;place-items:center;font-size:48px;background:var(--g,var(--grad-puzzle));position:relative}
.game-thumb::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.12)}
.game-body{padding:15px 16px 6px;flex:1}
.game-title{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:16px;font-weight:800;margin-bottom:6px}
.game-desc{margin:0;color:var(--muted);font-size:13.5px}
.game-meta{padding:0 16px;color:var(--muted2);font-size:11.5px;margin:8px 0 0;word-break:break-word}
.play-btn{margin:12px 16px 16px;align-self:flex-start;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:800;padding:8px 14px;border-radius:10px;
  color:#0a0e1a;background:linear-gradient(135deg,#7c9cff,#22d3ee)}
.game-card.external .play-btn{background:rgba(255,255,255,.08);color:var(--ink);border:1px solid var(--line2)}
.badge{font-size:10.5px;font-weight:800;letter-spacing:.03em;padding:3px 8px;border-radius:999px;line-height:1.4}
.badge-mit{color:#34d399;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.3)}
.badge-cc0{color:#22d3ee;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3)}
.badge-ext{color:#fbbf24;background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.3)}
.badge-soon{color:var(--muted);background:rgba(255,255,255,.06);border:1px solid var(--line)}

/* ---------- Game shell (embedded game wrapper) ---------- */
.game-stage{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#000;margin-top:6px}
.game-stage iframe{display:block;width:100%;border:0;background:#000}

/* ---------- Subscribe banner (visual only) ---------- */
.sub-banner{margin:30px 0 0;border:1px solid rgba(251,191,36,.32);background:rgba(251,191,36,.05);
  border-radius:18px;padding:22px 24px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.sub-banner h4{margin:0 0 3px;font-size:17px;font-weight:800}
.sub-banner p{margin:0;color:var(--muted);font-size:13.5px}

/* ---------- LICENSES table ---------- */
.lic-table{width:100%;border-collapse:collapse;font-size:13.5px}
.lic-table th,.lic-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.lic-table th{color:var(--muted2);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.lic-table tr:hover td{background:rgba(255,255,255,.02)}
.lic-table a{color:var(--accent)}
.lic-section{font-size:18px;font-weight:800;margin:30px 0 10px}

/* ---------- Responsive ---------- */
@media(max-width:760px){
  .natas-nav{display:none}
  .natas-burger{display:inline-block}
  .natas-header.open .natas-nav{display:flex;position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;background:rgba(10,14,26,.97);padding:10px 16px;border-bottom:1px solid var(--line)}
  .page-head{flex-direction:row}
}