/* Blog · WebXBuilder — índice de artículos + página de artículo */
:root{
  --bg:#FFFFFF;--bg-alt:#F5F6FB;--bg-dark:#0B1B33;--bg-darker:#15166B;
  --text:#0E0E14;--text-soft:#5A6473;--text-on-dark:#EEF0FF;--soft-on-dark:#C4C8FF;
  --accent:#4349FF;--accent-hover:#3a31e6;--accent-soft:#ECEDFF;--accent-deep:#2F2BD6;
  --border:#E6E8F0;--grad:linear-gradient(118deg,#4349FF,#2388FF);
  --shadow:0 10px 30px rgba(20,24,60,.06);--shadow-lg:0 24px 60px rgba(20,24,60,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:#c5d0dd var(--bg-alt)}
body{font-family:'Inter Tight',system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:'Inter Tight',sans-serif;font-weight:700;line-height:1.1;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
::selection{background:rgba(67,73,255,.22)}
*:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::-webkit-scrollbar{width:11px;height:11px}::-webkit-scrollbar-track{background:var(--bg-alt)}
::-webkit-scrollbar-thumb{background:#c5d0dd;border-radius:8px;border:3px solid var(--bg-alt)}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--accent-deep)}

/* Header */
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:13px 0}
header .wrap{display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:9px;font-family:'Inter Tight',sans-serif;font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--text)}
.brand img{width:30px;height:30px;border-radius:8px}.brand .ax{color:var(--accent)}
.hnav{display:flex;gap:26px;font-size:15px;font-weight:500;margin-left:30px}
.hnav a{opacity:.8}.hnav a:hover{opacity:1;color:var(--accent)}
.hcta{margin-left:auto;background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;padding:11px 18px;border-radius:10px;transition:.2s;white-space:nowrap}
.hcta:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 26px rgba(67,73,255,.3)}
@media(max-width:760px){.hnav{display:none}}

/* Índice */
.blog-hero{padding:64px 0 36px}
.blog-hero h1{font-size:clamp(34px,5vw,58px);margin:14px 0 14px}
.blog-hero p{color:var(--text-soft);font-size:18px;max-width:620px}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 8px}
.filters button{font-family:'Inter Tight',sans-serif;font-size:14px;font-weight:500;color:var(--text-soft);background:var(--bg);border:1px solid var(--border);padding:9px 16px;border-radius:100px;cursor:pointer;transition:.2s}
.filters button:hover{color:var(--text);border-color:var(--text)}
.filters button.active{background:var(--bg-dark);color:#fff;border-color:var(--bg-dark)}

.feat-art{display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:16px;overflow:hidden;margin:8px 0 40px;transition:.25s}
.feat-art:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.feat-art .cov{aspect-ratio:16/10;background:var(--grad)}
.feat-art .cov svg{width:100%;height:100%}
.feat-art .body{padding:8px 36px 8px 0}
.feat-art .tag,.acard .tag{display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--accent-deep);background:var(--accent-soft);padding:5px 10px;border-radius:100px;margin-bottom:14px}
.feat-art h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.feat-art p{color:var(--text-soft);margin-bottom:16px}
.meta{font-size:13px;color:var(--text-soft)}
.feat-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#fff;background:var(--accent);padding:4px 10px;border-radius:100px;margin-bottom:14px;margin-right:8px}
@media(max-width:760px){.feat-art{grid-template-columns:1fr}.feat-art .body{padding:0 24px 28px}.feat-art .cov{aspect-ratio:16/9}}

.agrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-bottom:80px}
@media(max-width:900px){.agrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.agrid{grid-template-columns:1fr}}
.acard{background:var(--bg);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.acard:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.acard .cov{aspect-ratio:16/9;background:var(--grad)}
.acard .cov svg{width:100%;height:100%}
.acard .body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.acard h3{font-size:20px;margin-bottom:10px;line-height:1.2}
.acard p{color:var(--text-soft);font-size:14.5px;margin-bottom:16px;flex:1}
.acard.hide{display:none}

/* Artículo */
.art-wrap{max-width:760px;margin:0 auto;padding:0 24px}
.art-head{padding:54px 0 8px}
.crumb{font-size:13px;color:var(--text-soft);margin-bottom:16px}
.crumb a{color:var(--accent-deep)}
.art-head h1{font-size:clamp(30px,4.6vw,50px);margin:14px 0 16px;line-height:1.08}
.art-head .meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.art-cover{aspect-ratio:16/8;background:var(--grad);border-radius:14px;overflow:hidden;margin:28px 0 8px}
.art-cover svg{width:100%;height:100%}
.prose{padding:24px 0 8px;font-size:17px;color:#23222b}
.prose p{margin:0 0 18px}
.prose h2{font-size:26px;margin:34px 0 12px}
.prose h3{font-size:20px;margin:26px 0 10px}
.prose ul,.prose ol{margin:0 0 18px 22px;color:#3a3942}
.prose li{margin-bottom:8px}
.prose a{color:var(--accent-deep);font-weight:600;text-decoration:underline}
.prose strong{color:var(--text);font-weight:600}
.prose blockquote{border-left:3px solid var(--accent);background:var(--bg-alt);padding:14px 18px;border-radius:0 10px 10px 0;margin:0 0 18px;color:var(--text-soft)}

/* CTA funnel */
.art-cta{background:var(--grad);color:#fff;border-radius:16px;padding:36px 32px;text-align:center;margin:40px 0 10px}
.art-cta h3{color:#fff;font-size:26px;margin-bottom:10px}
.art-cta p{color:var(--soft-on-dark);margin-bottom:22px;font-size:16px}
.art-cta a{display:inline-block;background:#fff;color:var(--accent-deep);font-weight:600;font-size:15.5px;padding:15px 28px;border-radius:10px;transition:.2s}
.art-cta a:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}

footer{background:var(--bg-darker);color:var(--soft-on-dark);padding:44px 0;font-size:14px;text-align:center;margin-top:40px}
footer a{color:var(--soft-on-dark)}footer a:hover{color:#fff}
footer .flinks{margin-top:10px}footer .flinks a{margin:0 8px}