/* ════════════════════════════════════════════════════════════════════════
   TurboCore — site.css
   Sistema de diseño compartido para las páginas de contenido (guía + juegos).
   Mismos tokens que landing/index.html para que todo se vea cohesivo.
   Deploy: subir a  turbocore.me/assets/site.css
   ════════════════════════════════════════════════════════════════════════ */

:root{
  --cyan:#00DCFF; --purple:#8A2BE2; --green:#00E678; --bg:#070910; --bg2:#0c0f18;
  --card:rgba(255,255,255,.04); --line:rgba(255,255,255,.09); --txt:#eaf0ff; --mut:#9aa6bd;
  --grad:linear-gradient(135deg,#00DCFF,#8A2BE2);
  --grad-soft:linear-gradient(135deg,rgba(0,220,255,.18),rgba(138,43,226,.18));
  --r:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden}
.mono{font-family:'JetBrains Mono',monospace}
h1,h2,h3,h4{font-family:Sora,Inter,sans-serif;line-height:1.15;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.narrow{max-width:820px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;padding:14px 26px;border-radius:14px;cursor:pointer;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--grad);color:#031018;box-shadow:0 8px 30px rgba(0,220,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(0,220,255,.45)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:0 0 26px rgba(0,220,255,.25)}

/* Nav */
nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;padding:18px 0}
nav.scrolled{background:rgba(7,9,16,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:11px 0}
.nav-in{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-family:Sora;font-weight:800;font-size:19px}
.brand .logo{width:30px;height:30px;border-radius:9px;background:var(--grad);box-shadow:0 0 18px rgba(0,220,255,.5)}
.nav-links{display:flex;gap:28px;font-size:14.5px;color:var(--mut)}
.nav-links a:hover{color:var(--txt)}
.nav-cta{display:flex;gap:12px;align-items:center}

/* ── Article header ── */
.article-head{padding:128px 0 30px;position:relative;overflow:hidden}
.article-head .hero-bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(700px 360px at 30% -10%,rgba(0,220,255,.14),transparent 60%),
  radial-gradient(620px 420px at 90% 6%,rgba(138,43,226,.12),transparent 60%)}
.breadcrumb{font-size:13px;color:var(--mut);margin-bottom:16px;font-family:'JetBrains Mono',monospace}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{opacity:.5;margin:0 7px}
.article-head h1{font-size:clamp(30px,5vw,52px);font-weight:800;margin-bottom:16px;max-width:18ch}
.article-head .standfirst{color:var(--mut);font-size:clamp(16px,2vw,19px);max-width:64ch}
.meta-row{display:flex;gap:18px;flex-wrap:wrap;color:var(--mut);font-size:13px;margin-top:18px}
.meta-row span{display:flex;align-items:center;gap:7px}
.meta-row b{color:var(--green)}

/* ── Article body ── */
.article{padding:30px 0 70px}
.article-grid{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
.toc{position:sticky;top:96px;border:1px solid var(--line);border-radius:var(--r);padding:20px;background:var(--card);font-size:14px}
.toc h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;font-family:'JetBrains Mono',monospace}
.toc a{display:block;color:var(--mut);padding:6px 0;border-left:2px solid transparent;padding-left:12px;margin-left:-12px;transition:.2s}
.toc a:hover{color:var(--txt);border-left-color:var(--cyan)}

.prose{font-size:16.5px;color:#d7deee;max-width:72ch}
.prose > p{margin-bottom:18px}
.prose h2{font-size:clamp(23px,3vw,30px);font-weight:800;margin:46px 0 16px;scroll-margin-top:96px}
.prose h2 .grad-text{font-weight:800}
.prose h3{font-size:19px;font-weight:700;margin:28px 0 10px;color:#fff}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{margin-bottom:9px}
.prose strong{color:#fff}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(0,220,255,.3)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose code{font-family:'JetBrains Mono',monospace;font-size:.86em;background:rgba(255,255,255,.06);border:1px solid var(--line);padding:1px 6px;border-radius:6px;color:var(--cyan)}
.lead-in{font-size:18.5px;color:var(--txt)}

/* Callouts */
.note{border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:12px;background:rgba(0,220,255,.05);padding:16px 18px;margin:22px 0;font-size:15px;color:#cdd6e8}
.note.warn{border-left-color:#ffb020;background:rgba(255,176,32,.06)}
.note.ok{border-left-color:var(--green);background:rgba(0,230,120,.06)}
.note b{color:#fff}

/* Key-takeaways / feature rows */
.kv{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}
.kv .item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.kv .item .k{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--cyan);letter-spacing:.04em}
.kv .item .d{font-size:14.5px;color:var(--mut);margin-top:4px}

/* Comparison table */
.tbl{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px;margin:24px 0}
.tbl th,.tbl td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line)}
.tbl th:first-child,.tbl td:first-child{text-align:left;color:var(--mut)}
.tbl thead th{background:rgba(255,255,255,.03);font-family:Sora;font-weight:700}
.tbl .us{background:var(--grad-soft);color:var(--cyan);font-weight:700}
.tbl tr:last-child td{border-bottom:none}
.yes{color:var(--green);font-weight:700}.no{color:#6b7488}

/* Inline CTA */
.cta-inline{background:var(--grad-soft);border:1px solid var(--line);border-radius:var(--r);padding:28px;margin:40px 0;text-align:center}
.cta-inline h3{font-size:22px;margin-bottom:8px}
.cta-inline p{color:var(--mut);font-size:15px;margin-bottom:18px}

/* Related links */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.related a{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;transition:.25s}
.related a:hover{transform:translateY(-3px);border-color:rgba(0,220,255,.4);box-shadow:0 14px 40px rgba(0,220,255,.1)}
.related .t{font-weight:700;font-size:15px;margin-bottom:5px}
.related .s{color:var(--mut);font-size:13px}

/* FAQ (accordion, same behaviour as home) */
.faq{margin:14px 0}
.q{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.q button{width:100%;text-align:left;background:none;border:none;color:var(--txt);font-family:Inter;font-weight:600;font-size:16px;padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;gap:14px}
.q .ans{max-height:0;overflow:hidden;transition:.35s;color:var(--mut);font-size:15px}
.q .ans p{padding:0 22px 20px}
.q.open .ans{max-height:320px}
.q.open button .plus{transform:rotate(45deg)}
.plus{transition:.3s;color:var(--cyan);font-size:22px;line-height:1}

/* CTA band */
.sec{padding:70px 0;position:relative}
.band{background:var(--grad-soft);border:1px solid var(--line);border-radius:26px;padding:54px;text-align:center}
.band h2{font-size:clamp(26px,4vw,40px);margin-bottom:14px}
.band .lead{color:var(--mut);max-width:560px;margin:0 auto 26px;font-size:16px}

/* Footer */
footer{border-top:1px solid var(--line);padding:54px 0 34px;color:var(--mut)}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:30px;margin-bottom:34px}
footer h4{color:var(--txt);font-size:14px;margin-bottom:14px;font-family:Sora}
footer a{display:block;color:var(--mut);font-size:14px;padding:5px 0}
footer a:hover{color:var(--cyan)}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding-top:24px;font-size:13px}

/* Reveal */
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:920px){
  .fgrid{grid-template-columns:1fr 1fr}
  .article-grid{grid-template-columns:1fr;gap:0}
  .toc{display:none}
}
@media(max-width:760px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .kv,.related{grid-template-columns:1fr}
  .sec{padding:54px 0}
  .band{padding:36px 22px}
  .article-head{padding:104px 0 24px}
}