/* Simon's Lead — Blog (estética neón elagenteia, autocontenida) */
@font-face{font-family:'Geist';font-style:normal;font-weight:100 900;font-display:swap;src:url('/fonts/geist-var.woff2') format('woff2')}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:100 900;font-display:swap;src:url('/fonts/geist-mono-var.woff2') format('woff2')}
@font-face{font-family:'Tilt Neon';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/tilt-neon.woff2') format('woff2')}
:root{--night:#090910;--ink:#f0f0fa;--faint:#aeb6d8;--muted:#8892c8;--cyan:#00e5ff;--purple:#b388ff;--pink:#e040fb;--green:#4ade80;--line:rgba(136,146,200,.18);--surface:rgba(255,255,255,.03);--radius:16px;--sans:'Geist',ui-sans-serif,system-ui,sans-serif;--mono:'Geist Mono',ui-monospace,monospace;--neon:'Tilt Neon','Geist',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--night);color:var(--ink);font-family:var(--sans);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(60% 50% at 15% 0,rgba(0,229,255,.08),transparent 60%),radial-gradient(50% 50% at 100% 20%,rgba(179,136,255,.07),transparent 60%)}
a{color:var(--cyan);text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(9,9,16,.72);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:11px}
.brand img{width:38px;height:38px;object-fit:contain}
.brand b{font-family:var(--neon),var(--sans);font-weight:500;letter-spacing:.05em;font-size:18px;color:#eaffff;text-shadow:0 0 5px rgba(0,229,255,.9),0 0 18px rgba(0,229,255,.5);white-space:nowrap}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;background:var(--cyan);color:#04121a;box-shadow:0 0 18px rgba(0,229,255,.35);white-space:nowrap}
.nav-cta:hover{transform:translateY(-1px)}
/* article */
main{padding:44px 0 20px}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:18px;letter-spacing:.02em}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--cyan)}
.kicker{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;margin-bottom:14px}
article h1{font-size:clamp(30px,5vw,46px);line-height:1.12;font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.lead{font-size:19px;color:var(--faint);margin-bottom:20px}
.meta{font-family:var(--mono);font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:34px}
article h2{font-size:clamp(23px,3.2vw,30px);line-height:1.2;font-weight:800;letter-spacing:-.015em;margin:42px 0 14px;scroll-margin-top:80px}
article h3{font-size:20px;font-weight:700;margin:28px 0 10px}
article p{margin:0 0 18px;color:#dfe3f5}
article strong{color:#fff}
article ul,article ol{margin:0 0 20px;padding-left:22px}
article li{margin-bottom:10px;color:#dfe3f5}
article ul li::marker{color:var(--cyan)}
article a{text-decoration:underline;text-underline-offset:2px}
blockquote{border-left:3px solid var(--cyan);background:var(--surface);padding:16px 20px;border-radius:0 12px 12px 0;margin:0 0 22px;color:var(--faint);font-size:16px}
.tldr{border:1px solid rgba(0,229,255,.25);background:rgba(0,229,255,.04);border-radius:14px;padding:20px 22px;margin:0 0 30px}
.tldr b{color:var(--cyan);font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:8px}
/* CTA box */
.cta-box{border:1px solid rgba(0,229,255,.3);border-radius:18px;background:radial-gradient(70% 120% at 50% 0,rgba(0,229,255,.08),transparent 70%),var(--surface);padding:30px 26px;text-align:center;margin:40px 0}
.cta-box h3{font-size:22px;margin:0 0 8px}
.cta-box p{color:var(--faint);margin:0 0 18px;font-size:15px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:10px;font-weight:700;font-size:15px;background:var(--cyan);color:#04121a;box-shadow:0 0 22px rgba(0,229,255,.4)}
.btn:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink);box-shadow:none;font-weight:600}
.btn-ghost:hover{border-color:rgba(0,229,255,.5);color:var(--cyan)}
/* FAQ */
.faqs{margin:22px 0 0;display:grid;gap:12px}
details{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:16px 20px}
details[open]{border-color:rgba(0,229,255,.35)}
summary{cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";font-family:var(--mono);color:var(--cyan);font-size:18px}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--faint);font-size:15px}
/* related */
.related{margin:44px 0 0;border-top:1px solid var(--line);padding-top:26px}
.related h2{font-size:20px;margin:0 0 16px}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.related-grid a{display:block;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--surface);color:var(--ink);text-decoration:none;font-size:14.5px;font-weight:600;transition:border-color .2s,transform .2s}
.related-grid a:hover{border-color:rgba(0,229,255,.45);transform:translateY(-2px);color:var(--cyan)}
/* footer */
footer{border-top:1px solid var(--line);margin-top:56px;padding:36px 0 30px;background:rgba(255,255,255,.015)}
.foot{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center}
.foot .brand b{font-size:16px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px}
.foot-links a{color:var(--muted)}.foot-links a:hover{color:var(--cyan)}
.legal{max-width:1080px;margin:20px auto 0;padding:0 24px;font-family:var(--mono);font-size:11.5px;color:var(--muted);text-align:center}
/* blog index */
.hero-blog{padding:56px 0 10px;text-align:center}
.hero-blog h1{font-size:clamp(32px,5vw,50px);font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.hero-blog .grad{background:linear-gradient(92deg,var(--cyan),var(--purple) 60%,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-blog p{color:var(--faint);font-size:18px;max-width:640px;margin:0 auto}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:40px 0}
.post{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:24px;transition:border-color .2s,transform .2s,box-shadow .2s}
.post:hover{border-color:rgba(0,229,255,.45);transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,229,255,.08)}
.post .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}
.post h2{font-size:18px;line-height:1.3;margin:0 0 8px;font-weight:700}
.post p{font-size:14px;color:var(--faint);margin:0 0 14px;flex:1}
.post span.go{font-family:var(--mono);font-size:12.5px;color:var(--cyan)}
.post a.cover{position:absolute;inset:0}
@media(max-width:860px){.posts{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.posts,.related-grid{grid-template-columns:1fr}.nav b{font-size:16px}}

/* portadas + animaciones */
.hero-img{width:100%;height:auto;aspect-ratio:1200/420;border-radius:16px;border:1px solid var(--line);margin:4px 0 30px;box-shadow:0 14px 46px rgba(0,229,255,.07)}
.post{position:relative;padding:0;overflow:hidden}
.post .thumb{width:100%;height:auto;aspect-ratio:1200/420;object-fit:cover;display:block;border-bottom:1px solid var(--line);transition:opacity .25s}
.post .pbody{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.post:hover .thumb{opacity:.9}
@media (prefers-reduced-motion:no-preference){
  .sr{opacity:0;transform:translateY(22px)}
  .sr.sr-in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
}

/* ilustración interior */
.figure{margin:36px 0;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.figure-img{width:100%;height:auto;aspect-ratio:1200/360;display:block}
.figure figcaption{font-family:var(--mono);font-size:12px;color:var(--muted);text-align:center;padding:11px 16px;border-top:1px solid var(--line)}

/* legal */
.foot-legal{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;max-width:1080px;margin:14px auto 0;padding:0 24px;font-family:var(--mono);font-size:11.5px}
.foot-legal a{color:var(--muted)}.foot-legal a:hover{color:var(--cyan)}
.tofill{background:rgba(224,64,251,.14);border:1px solid rgba(224,64,251,.4);border-radius:5px;padding:0 6px;font-family:var(--mono);font-size:.88em;color:#f5d9ff;white-space:nowrap}