/* RunOp — plantilla de artículos (blog / recursos) */
:root{
  --bg:#050505; --ink:#f2f2ef; --lime:#b7ff27; --panel:#0e0e0e;
  --muted:rgba(242,242,239,.58); --soft:rgba(242,242,239,.82);
  --rule:rgba(255,255,255,.14); --maxw:720px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Manrope","Helvetica Neue",Arial,sans-serif;
  font-weight:400; line-height:1.72; font-size:18px;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}

/* nav */
.art-nav{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;
  padding:16px clamp(20px,4vw,48px);background:rgba(5,5,5,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule)}
.art-nav .logo{font-weight:800;font-size:20px;letter-spacing:-.02em;text-decoration:none}
.art-nav .back{font-size:12px;color:var(--muted);text-decoration:none;text-transform:uppercase;letter-spacing:.09em}
.art-nav .back:hover{color:var(--lime)}
.art-nav .cta{background:var(--lime);color:#050505;text-decoration:none;font-weight:700;font-size:12px;
  letter-spacing:.04em;text-transform:uppercase;padding:9px 16px;border-radius:3px}

/* layout */
.art{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.art-wide{max-width:1040px;margin:0 auto;padding:0 20px}

.crumb{max-width:var(--maxw);margin:34px auto 0;padding:0 20px;font-size:12px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--muted)}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--lime)}

.eyebrow{color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-top:26px}
h1.title{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.06;letter-spacing:-.03em;margin:14px 0 18px}
.meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.meta span{position:relative}
.meta span+span::before{content:"·";margin-right:14px;color:var(--rule)}

.hero-img{margin:32px auto 0;border-radius:5px;overflow:hidden}
.hero-img img{width:100%;height:clamp(230px,42vw,470px);object-fit:cover}
.hero-img figcaption{font-size:12px;color:var(--muted);padding:10px 2px 0;text-align:right}

/* prose */
.prose{margin-top:42px;padding-bottom:8px}
.prose p{margin:0 0 22px;color:#eaeae5}
.prose .lead{font-size:clamp(20px,2.3vw,24px);line-height:1.5;color:var(--ink);font-weight:500;margin-bottom:30px}
.prose h2{font-size:clamp(24px,3vw,33px);font-weight:800;letter-spacing:-.02em;line-height:1.16;margin:46px 0 16px}
.prose h3{font-size:clamp(19px,2.1vw,22px);font-weight:700;letter-spacing:-.01em;margin:32px 0 12px}
.prose ul,.prose ol{margin:0 0 22px;padding-left:22px}
.prose li{margin-bottom:11px;color:#eaeae5}
.prose li::marker{color:var(--lime)}
.prose a{color:var(--lime);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose strong{color:var(--ink);font-weight:700}
.prose blockquote{border-left:3px solid var(--lime);margin:30px 0;padding:4px 0 4px 22px;
  font-size:clamp(20px,2.5vw,26px);font-weight:600;line-height:1.36;letter-spacing:-.01em;color:var(--ink)}
.prose hr{border:0;border-top:1px solid var(--rule);margin:40px 0}
.key{background:var(--panel);border:1px solid var(--rule);border-radius:8px;padding:24px 26px;margin:30px 0}
.key h3{margin:0 0 10px;color:var(--lime)}
.key ul{margin:0;padding-left:20px}
.key li:last-child{margin-bottom:0}

/* cta */
.cta-box{background:var(--lime);color:#050505;border-radius:10px;padding:clamp(28px,4vw,46px);margin:52px 0 10px}
.cta-box h2{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:0 0 12px;color:#050505}
.cta-box p{color:rgba(5,5,5,.76);margin:0 0 22px;max-width:48ch}
.cta-box .btn{display:inline-block;background:#050505;color:var(--lime);text-decoration:none;font-weight:700;
  font-size:14px;letter-spacing:.02em;padding:14px 26px;border-radius:4px}
.cta-box .btn:hover{opacity:.9}

/* related */
.related{border-top:1px solid var(--rule);margin-top:26px;padding:46px 0 10px}
.related h2{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:24px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{text-decoration:none;color:var(--ink);display:block}
.rel-card .rc-img{border-radius:4px;overflow:hidden;aspect-ratio:16/10;margin-bottom:12px;background:var(--panel)}
.rel-card .rc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rc-img img{transform:scale(1.04)}
.rel-card .rc-cat{color:var(--lime);font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.rel-card h3{font-size:16.5px;font-weight:700;line-height:1.28;margin-top:6px;letter-spacing:-.01em}
.rel-card:hover h3{color:var(--lime)}
@media(max-width:720px){.rel-grid{grid-template-columns:1fr}}

/* footer */
.art-footer{border-top:1px solid var(--rule);margin-top:54px;padding:32px clamp(20px,4vw,48px);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.art-footer a{color:var(--muted);text-decoration:none}
.art-footer a:hover{color:var(--lime)}
.art-footer .fx{display:flex;gap:20px;flex-wrap:wrap}