/* ============================================================
   Nova Strike — shared styles
   Theme: deep-space nebula. Display: Space Grotesk. Body: Inter.
   ============================================================ */

:root{
  --bg:#0B0E23;
  --bg-2:#10143000;
  --panel:#161A3A;
  --panel-2:#1E2350;
  --line:#2A2F5C;
  --violet:#6C5CE7;
  --violet-soft:#8E84F0;
  --gold:#FFC857;
  --coral:#FF6B9D;
  --text:#E8E9F3;
  --muted:#9AA0C8;
  --radius:16px;
  --maxw:1080px;
  --shadow:0 18px 50px -20px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);
  line-height:1.65;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(108,92,231,.28), transparent 60%),
    radial-gradient(900px 600px at 10% 10%, rgba(255,107,157,.14), transparent 55%),
    var(--bg);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,.brand{font-family:"Space Grotesk",sans-serif;letter-spacing:-.02em;line-height:1.15}
h1{font-size:clamp(2rem,5vw,3.3rem);margin:.2em 0}
h2{font-size:clamp(1.5rem,3.4vw,2.2rem);margin:1.6em 0 .5em}
h3{font-size:1.25rem;margin:1.4em 0 .4em}
p{margin:.6em 0}
a{color:var(--violet-soft);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Header / nav ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  background:rgba(11,14,35,.72);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand .dot{
  width:24px;height:24px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #fff, var(--gold) 40%, var(--coral) 75%, var(--violet) 110%);
  box-shadow:0 0 18px var(--gold);
}
.nav-links{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.nav-links a{color:var(--muted);padding:8px 12px;border-radius:10px;font-size:.95rem;font-weight:500}
.nav-links a:hover{color:var(--text);background:var(--panel);text-decoration:none}
.nav-links a.active{color:var(--text);background:var(--panel-2)}
.menu-btn{display:none;background:var(--panel);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:8px 12px;font-size:1.1rem;cursor:pointer}

@media(max-width:760px){
  .menu-btn{display:block}
  .nav-links{display:none;position:absolute;top:62px;right:12px;left:12px;flex-direction:column;
    background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 12px}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:1rem;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  background:linear-gradient(135deg,var(--violet),var(--coral));color:#fff;
  box-shadow:0 10px 30px -10px var(--violet);transition:transform .12s ease,filter .12s ease}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08);text-decoration:none}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--text);box-shadow:none}
.btn.ghost:hover{background:var(--panel)}

/* ---------- Sections / cards ---------- */
section{padding:38px 0}
.eyebrow{font-family:"Space Grotesk",sans-serif;text-transform:uppercase;letter-spacing:.18em;
  font-size:.78rem;color:var(--gold);font-weight:600}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grid.cols-3{grid-template-columns:1fr}.grid.cols-2{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin-top:0}
.card .num{font-family:"Space Grotesk";color:var(--violet-soft);font-weight:700;font-size:.95rem}

/* ---------- Game ---------- */
.game-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
@media(max-width:900px){.game-wrap{grid-template-columns:1fr}}
.board-shell{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.scorebar{display:flex;gap:12px;margin-bottom:14px}
.score{flex:1;background:var(--panel-2);border-radius:12px;padding:10px 14px;text-align:center}
.score .label{font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
.score .val{font-family:"Space Grotesk";font-weight:700;font-size:1.5rem}
#board{
  position:relative;width:100%;aspect-ratio:1/1;background:var(--bg);border-radius:16px;
  border:1px solid var(--line);overflow:hidden;touch-action:none}
.cell,.tile{position:absolute;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-family:"Space Grotesk";font-weight:700}
.cell{background:rgba(255,255,255,.04)}
.tile{transition:transform .12s ease;color:#0B0E23;will-change:transform}
.tile.pop{animation:pop .16s ease}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.12)}100%{transform:scale(1)}}
.overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;flex-direction:column;
  gap:14px;background:rgba(11,14,35,.86);backdrop-filter:blur(3px);border-radius:16px;text-align:center;padding:20px}
.overlay.show{display:flex}
.overlay h3{font-size:1.6rem;margin:0}
.game-side .card{margin-bottom:16px}
.keys{color:var(--muted);font-size:.92rem}
kbd{background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:2px 7px;font-family:"Space Grotesk";font-size:.85rem}

/* ---------- FAQ ---------- */
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin:10px 0}
details summary{cursor:pointer;font-family:"Space Grotesk";font-weight:600;padding:12px 0;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";float:right;color:var(--gold);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}

/* ---------- Article ---------- */
.article{max-width:740px;margin:0 auto}
.article p,.article li{color:#D6D8EC}
.article ul{padding-left:1.2em}
.meta{color:var(--muted);font-size:.9rem;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:8px}
.tag{display:inline-block;background:var(--panel-2);color:var(--violet-soft);border-radius:999px;
  padding:3px 12px;font-size:.78rem;font-family:"Space Grotesk";font-weight:600;margin-right:6px}

/* ---------- Forms ---------- */
.field{margin:14px 0}
.field label{display:block;font-weight:600;margin-bottom:6px;font-family:"Space Grotesk"}
.field input,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);
  border-radius:10px;padding:12px 14px;font-family:inherit;font-size:1rem}
.field input:focus,.field textarea:focus{outline:2px solid var(--violet);border-color:transparent}

/* ---------- Ad slots ---------- */
.ad-slot{margin:26px auto;max-width:728px;min-height:90px;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.03),rgba(255,255,255,.03) 10px,transparent 10px,transparent 20px);
  border:1px dashed var(--line);border-radius:12px;color:var(--muted);font-size:.85rem;text-align:center}

/* ---------- Footer ---------- */
footer.site{border-top:1px solid var(--line);margin-top:30px;padding:34px 0 50px;color:var(--muted)}
.foot-grid{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
footer.site a{color:var(--muted)}
footer.site a:hover{color:var(--text)}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}
.fine{font-size:.82rem;margin-top:18px;opacity:.8}

:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

/* ---------- Nova Strike ---------- */
#ns-board{position:relative;width:100%;aspect-ratio:3/4;background:var(--bg);border-radius:16px;
  border:1px solid var(--line);overflow:hidden}
#ns-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}
.ns-statusbar{display:flex;justify-content:space-between;align-items:center;margin-top:12px;
  font-family:"Space Grotesk";font-size:.9rem;color:var(--muted)}
.ns-hull i{color:var(--coral);font-style:normal;margin-left:3px;transition:opacity .2s}
.ns-bombs span{color:var(--gold);font-weight:700;font-size:1.05rem}
.ns-bomb-btn{position:absolute;right:14px;bottom:14px;width:62px;height:62px;border-radius:50%;
  background:rgba(22,26,58,.85);border:1.5px solid var(--coral);color:var(--coral);
  font-family:"Space Grotesk";font-weight:700;font-size:.72rem;letter-spacing:.05em;cursor:pointer;
  backdrop-filter:blur(4px)}
.ns-bomb-btn:active{transform:scale(.94)}

/* ---------- Logo wordmark ---------- */
.brand .brand-logo{height:26px;width:auto;display:block}
footer .brand .brand-logo{height:22px}