/* Mechangelion 20260914b */
:root{
  --bg:#0b0d14;--panel:#121526;--line:#2a2150;--text:#e8e6f2;--muted:#a9a3c7;
  --accent:#a855f7;--accent2:#7c3aed;--glow:#c084fc;--radius:16px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100%}
a{color:var(--glow);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#e9d5ff}
img{max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);background:rgba(11,13,20,.88);border-bottom:1px solid var(--line)}
.header-inner{max-width:1100px;margin:0 auto;padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:inline-flex;align-items:center;gap:.6rem;color:var(--text);text-decoration:none;font-weight:700;letter-spacing:.04em}
.logo em{font-style:normal;color:var(--accent);font-weight:600}
.logo b{font-weight:800}
.site-header nav{display:flex;flex-wrap:wrap;gap:.85rem}
.site-header nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.site-header nav a.active,.site-header nav a:hover{color:#fff}
main{max-width:1100px;margin:0 auto;padding:1rem 1rem 3rem}
.stage{margin:0 0 1.5rem;padding:1rem;background:linear-gradient(180deg,#14122a,#0b0d14);border:1px solid var(--line);border-radius:calc(var(--radius) + 4px)}
.stage-head{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;margin-bottom:.85rem}
.stage-head h1{margin:.15rem 0 0;font-size:clamp(1.45rem,3vw,2rem);line-height:1.2}
.eyebrow{display:inline-block;color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.stage-meta{text-align:right;color:var(--muted);font-size:.8rem}
.stage-meta b{display:block;color:var(--text)}
.phone-frame{margin:0 auto;width:min(100%,420px);aspect-ratio:9/16;max-height:80vh;background:#000;border:2px solid #3b2768;border-radius:28px;overflow:hidden;box-shadow:0 0 0 1px #1b1433,0 20px 60px rgba(124,58,237,.25);position:relative}
.phone-notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:38%;height:10px;border-radius:999px;background:#1a1a22;z-index:2;opacity:.7}
.game-frame{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.stage-note{margin:.75rem 0 0;color:var(--muted);font-size:.9rem;text-align:center}
@media (max-width:720px){
  .phone-frame{width:100%;max-height:none;aspect-ratio:9/16;border-radius:18px}
  .stage-head{flex-direction:column}
}
.section{margin:2rem 0;padding:1.25rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}
.section h2{margin:0 0 .75rem;font-size:1.35rem}
.section h3{margin:1rem 0 .4rem;font-size:1.05rem}
.prose p{margin:.7rem 0}
.narrow{max-width:720px}
.steps{margin:.5rem 0 0;padding-left:1.2rem}
.steps li{margin:.45rem 0}
.two-col{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.fact-list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.fact-list li{display:flex;justify-content:space-between;gap:.75rem;padding:.65rem .8rem;background:#0b0d14;border:1px solid var(--line);border-radius:12px}
.fact-list span{color:var(--muted)}
.link-grid,.card-grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.link-grid a,.card{display:flex;flex-direction:column;gap:.35rem;padding:1rem;background:#0b0d14;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--text);transition:border-color .15s,transform .15s}
.link-grid a:hover,.card:hover{border-color:var(--accent);transform:translateY(-1px)}
.link-grid span,.card span{color:var(--muted);font-size:.92rem}
.stack{display:flex;flex-direction:column;gap:1rem}
.card-block{padding:1rem;background:#0b0d14;border:1px solid var(--line);border-radius:14px}
.card-block h3{margin:0 0 .4rem}
.btn{display:inline-block;margin:.35rem .35rem 0 0;padding:.55rem 1rem;border-radius:999px;background:var(--accent2);color:#fff;text-decoration:none;font-weight:600}
.btn:hover{color:#fff;filter:brightness(1.08)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.cta-row{margin-top:1rem}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:0 0 1rem;padding:0;color:var(--muted);font-size:.88rem}
.crumbs li:not(:last-child)::after{content:"/";margin-left:.4rem;opacity:.5}
.crumbs a{color:var(--muted)}
.faq-item{border:1px solid var(--line);border-radius:12px;margin:.55rem 0;background:#0b0d14}
.faq-item summary{cursor:pointer;padding:.85rem 1rem;font-weight:600}
.faq-a{padding:0 1rem 1rem;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);background:#090b12;padding:2.5rem 1rem 2rem;margin-top:2rem}
.footer-grid{max-width:1100px;margin:0 auto;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.site-footer h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 .6rem}
.footer-nav{display:flex;flex-direction:column;gap:.4rem}
.footer-nav a{color:var(--text);text-decoration:none}
.footer-nav a:hover{color:var(--glow)}
.fine{max-width:1100px;margin:1.5rem auto 0;color:var(--muted);font-size:.8rem}