/* ProCyber Academy — sito: design system condiviso (dark editorial)
   Coerente con la homepage. Font self-hosted via /hub/vendor/fonts/fonts.css */
:root{
  --bg:#0a0c0f; --bg-2:#0d1014; --surface:#13171d; --surface-2:#181d24;
  --text:#f4f2ea; --text-dim:#9aa1ab; --text-faint:#828c9b;
  --line:rgba(255,255,255,.09); --line-soft:rgba(255,255,255,.05);
  --accent:#56e0a0; --accent-deep:#1f8f63; --gold:#d9c79a;
  --maxw:840px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);
  font-family:'Hanken Grotesk',system-ui,-apple-system,sans-serif;line-height:1.65;
  min-height:100vh;display:flex;flex-direction:column;position:relative;overflow-x:hidden;
}
body::after{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--accent);color:#04130c}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:#7df3bb}
a:focus-visible,button:focus-visible,.btn:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.mono{font-family:'IBM Plex Mono',monospace;letter-spacing:.08em;text-transform:uppercase}

/* atmosphere */
.page-glow{position:fixed;top:-220px;right:-160px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(86,224,160,.16),transparent 65%);filter:blur(90px);z-index:0;pointer-events:none}

/* header */
.site-hdr{position:relative;z-index:2;border-bottom:1px solid var(--line-soft)}
.site-hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:600;font-size:18px;letter-spacing:-.01em;color:var(--text)}
.logo .mark{width:32px;height:32px;display:grid;place-items:center;filter:drop-shadow(0 3px 10px rgba(86,224,160,.28))}
.logo .mark svg{width:100%;height:100%;display:block}
.logo b{font-weight:600}.logo .sub{color:var(--text-dim);font-weight:400}
.back-link{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.06em;color:var(--text-dim)}
.back-link:hover{color:var(--accent)}

/* prose / legal */
main.prose{position:relative;z-index:1;flex:1;padding:70px 0 90px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--accent);opacity:.6}
.prose h1{font-family:'Fraunces',serif;font-weight:340;font-size:clamp(2.2rem,5.5vw,3.7rem);line-height:1.02;letter-spacing:-.025em;margin-bottom:14px}
.prose h1 em{color:var(--accent);font-style:italic}
.prose .lede{color:var(--text-dim);font-size:1.08rem;margin-bottom:8px}
.prose .lede strong{color:var(--text);font-weight:500}
.prose h2{font-family:'Fraunces',serif;font-weight:500;font-size:1.45rem;letter-spacing:-.01em;color:var(--text);margin:42px 0 14px;padding-top:22px;border-top:1px solid var(--line-soft)}
.prose h3{font-family:'Fraunces',serif;font-weight:500;font-size:1.15rem;color:var(--text);margin:24px 0 8px}
.prose p{color:var(--text-dim);margin:0 0 14px;font-size:1.02rem}
.prose strong{color:var(--text);font-weight:600}
.prose ul{list-style:none;margin:0 0 16px;padding:0}
.prose li{color:var(--text-dim);position:relative;padding-left:22px;margin-bottom:9px}
.prose li::before{content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.prose .card{background:var(--surface);border:1px solid var(--line-soft);border-radius:14px;padding:24px 26px;margin:0 0 18px}
.updated{margin-top:40px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.06em;color:var(--text-faint)}

/* footer */
.site-foot{position:relative;z-index:2;border-top:1px solid var(--line);padding:46px 0 54px;background:var(--bg-2)}
.site-foot .foot{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap;align-items:flex-start}
.site-foot .foot-brand{max-width:300px}
.site-foot .foot-brand p{color:var(--text-faint);font-size:13.5px;margin-top:12px;line-height:1.5}
.site-foot .foot-links{display:flex;gap:42px;flex-wrap:wrap}
.site-foot h4{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin-bottom:14px}
.site-foot .foot-links a{display:block;color:var(--text-dim);font-size:14px;margin-bottom:9px}
.site-foot .foot-links a:hover{color:var(--accent)}
.foot-bottom{margin-top:42px;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--text-faint);font-size:12.5px}

/* 404 / centered */
.center-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:80px 28px;position:relative;z-index:1}
.center-stage .code{font-family:'Fraunces',serif;font-weight:300;font-size:clamp(5rem,18vw,11rem);line-height:1;letter-spacing:-.03em}
.center-stage .code em{color:var(--accent);font-style:italic}
.center-stage h1{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(1.5rem,4vw,2.2rem);margin-top:10px}
.center-stage p{color:var(--text-dim);margin-top:14px;max-width:46ch}
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:100px;font-size:15px;font-weight:500;padding:13px 26px;margin-top:30px;background:var(--accent);color:#04130c;transition:transform .25s,background .25s}
.btn:hover{background:#6cf0b1;transform:translateY(-2px);color:#04130c}

@media(max-width:560px){.site-hdr .wrap{height:64px}.prose h2{font-size:1.3rem}}