/* ═══════════════════════════════════════════════════════════
   Blog de Guelabs — hoja compartida por el índice y los artículos.
   Hereda la identidad de la landing (index.html).
   Editar acá cambia TODOS los artículos de una vez.
═══════════════════════════════════════════════════════════ */

:root{
  --bg:#ffffff;
  --soft:#f4f8fd;
  --tint:#eaf2fc;
  --ink:#0c1a30;
  --body:#3a4a63;
  --muted:#6b7c96;
  --muted2:#93a2ba;
  --line:#e4ecf5;
  --line2:#d3e0ee;
  --primary:#1660df;
  --accent:#0bb5c9;
  --violet:#6d5ef0;
  --green:#0fae6e;
  --navy:#0d2447;
  --navy2:#123063;
  --grad:linear-gradient(120deg,#1660df,#0bb5c9);
  --maxw:1200px;
  --readw:720px;
  --shadow:0 10px 30px rgba(19,48,99,.08);
  --shadow-lg:0 24px 60px rgba(19,48,99,.14);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--body);
  line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ── Barra de navegación (misma de la landing) ───────────── */
header{position:sticky;top:0;z-index:100;background:linear-gradient(120deg,var(--navy2),var(--navy));border-bottom:1px solid rgba(255,255,255,.09)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:18px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{width:38px;height:38px;flex-shrink:0;border-radius:50%;
  background:#fff url("../blog/guelabs-logo.png") center/76% no-repeat;
  box-shadow:0 2px 12px rgba(4,12,30,.35)}
.brand-name{font-weight:800;font-size:21px;letter-spacing:-.02em;color:#fff}
.brand-name span{color:#2fc6d8}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-size:14px;font-weight:600;color:#a9c4e6;transition:color .2s}
.nav-links a:hover,.nav-links a.on{color:#fff}
.nav-cta{background:var(--grad);color:#fff;font-weight:700;font-size:14px;padding:11px 20px;border-radius:11px;white-space:nowrap;transition:transform .2s}
.nav-cta:hover{transform:translateY(-2px)}
@media(max-width:860px){.nav-links{display:none}}
@media(max-width:480px){.nav-cta{display:none}}

/* ── Encabezado del blog ─────────────────────────────────── */
.blog-hero{background:linear-gradient(180deg,var(--soft),#fff);border-bottom:1px solid var(--line);padding:64px 0 52px;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--primary);margin-bottom:16px}
.kicker::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px}
.blog-hero h1{font-size:clamp(2rem,4.4vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;color:var(--ink);margin-bottom:16px}
.blog-hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.blog-hero p{font-size:1.05rem;color:var(--muted);max-width:640px;margin:0 auto;line-height:1.7}

/* ── Filtros por tema ────────────────────────────────────── */
.filtros{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:28px}
.filtro{font-size:13px;font-weight:700;color:var(--muted);background:#fff;border:1px solid var(--line2);border-radius:100px;padding:8px 16px;cursor:pointer;font-family:inherit;transition:.2s}
.filtro:hover{border-color:var(--primary);color:var(--primary)}
.filtro.on{background:var(--primary);border-color:var(--primary);color:#fff}

/* ── Grilla de artículos ─────────────────────────────────── */
.posts{padding:56px 0 80px}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s;box-shadow:0 2px 12px rgba(19,48,99,.05)}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--line2)}
.post-card.destacado{grid-column:span 3;flex-direction:row}
.post-top{height:150px;background:var(--grad);position:relative;overflow:hidden;flex-shrink:0}
.post-card.destacado .post-top{height:auto;width:40%;min-height:230px}
.post-top img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:left center;display:block}
.post-top:has(img)::after{display:none}
.post-top::after{content:"";position:absolute;inset:0;opacity:.2;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:34px 34px}
.post-emoji{position:absolute;inset:0;display:grid;place-items:center;font-size:3rem;z-index:1}
.post-card.destacado .post-emoji{font-size:4.4rem}
.post-body{padding:24px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-tema{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:10px}
.post-card h2{font-size:1.1rem;font-weight:800;color:var(--ink);line-height:1.3;letter-spacing:-.02em;margin-bottom:9px}
.post-card.destacado h2{font-size:1.6rem}
.post-card h2 a{color:inherit}
.post-card h2 a:hover{color:var(--primary)}
.post-card p{font-size:.9rem;color:var(--muted);line-height:1.6;margin-bottom:16px;flex:1}
.post-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted2);font-weight:600;padding-top:14px;border-top:1px solid var(--line)}
.post-meta .sep{width:4px;height:4px;border-radius:50%;background:var(--muted2)}
.badge-nuevo{background:rgba(109,94,240,.12);color:var(--violet);font-size:10.5px;font-weight:800;padding:3px 8px;border-radius:100px;letter-spacing:.04em}

/* ── Artículo ────────────────────────────────────────────── */
.art-hero{background:linear-gradient(180deg,var(--soft),#fff);border-bottom:1px solid var(--line);padding:48px 0 44px}
.art-hero .wrap{max-width:var(--readw)}
.migas{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:20px}
.migas a{color:var(--muted)}
.migas a:hover{color:var(--primary)}
.art-hero h1{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;color:var(--ink);margin:12px 0 16px}
.art-lede{font-size:1.08rem;color:var(--muted);line-height:1.7}
.art-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted2);font-weight:600;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}

article{padding:48px 0 24px}
article .wrap{max-width:var(--readw)}
article h2{font-size:clamp(1.35rem,2.6vw,1.7rem);font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink);margin:44px 0 16px}
article h3{font-size:1.12rem;font-weight:800;color:var(--ink);margin:32px 0 12px;line-height:1.35}
article p{margin-bottom:18px;font-size:1.02rem;line-height:1.8}
article strong{color:var(--ink);font-weight:700}
article ul,article ol{margin:0 0 20px 4px;padding-left:22px}
article li{margin-bottom:10px;font-size:1.02rem;line-height:1.75}
article li::marker{color:var(--primary);font-weight:700}
article a{font-weight:600;border-bottom:1px solid rgba(22,96,223,.3)}
article a:hover{border-bottom-color:var(--primary)}

/* Bloques destacados dentro del artículo */
.dato{background:var(--tint);border-left:3px solid var(--primary);border-radius:0 14px 14px 0;padding:20px 24px;margin:28px 0}
.dato p{margin:0;font-size:.98rem}
.dato .et{display:block;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:7px}
.ojo{background:#fff8ed;border:1px solid #f5dcb3;border-radius:14px;padding:20px 24px;margin:28px 0}
.ojo p{margin:0;font-size:.98rem;color:#7a5218}
.ojo .et{display:block;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#b5761a;margin-bottom:7px}
.tabla-wrap{overflow-x:auto;margin:28px 0;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:420px}
th{background:var(--soft);text-align:left;font-weight:800;color:var(--ink);padding:13px 16px;font-size:.85rem;border-bottom:1px solid var(--line)}
td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:none}
td strong{color:var(--ink)}

/* Cierre del artículo: CTA al agente */
.art-cta{background:linear-gradient(150deg,var(--navy2),var(--navy));border-radius:22px;padding:38px 34px;margin:44px 0 20px;text-align:center;position:relative;overflow:hidden}
.art-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 90% at 30% 0%,rgba(109,94,240,.35),transparent 62%);pointer-events:none}
.art-cta h3{position:relative;color:#fff;font-size:1.4rem;font-weight:800;letter-spacing:-.02em;margin:0 0 10px}
.art-cta p{position:relative;color:#a9c4e6;font-size:.98rem;margin-bottom:22px;max-width:480px;margin-left:auto;margin-right:auto}
.art-cta .btns{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-weight:700;font-size:15px;padding:14px 26px;border-radius:12px;border:none;cursor:pointer;transition:transform .2s;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-primary{background:var(--grad);color:#fff}

/* Siguientes lecturas */
.siguientes{background:var(--soft);border-top:1px solid var(--line);padding:56px 0 72px}
.siguientes .wrap{max-width:var(--maxw)}
.siguientes h2{font-size:1.5rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:26px;text-align:center}
.sig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sig{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;transition:transform .25s,border-color .25s}
.sig:hover{transform:translateY(-4px);border-color:var(--line2)}
.sig .t{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:8px}
.sig h4{font-size:.98rem;font-weight:800;color:var(--ink);line-height:1.35;margin-bottom:6px}
.sig h4 a{color:inherit}
.sig h4 a:hover{color:var(--primary)}
.sig p{font-size:.85rem;color:var(--muted);line-height:1.55}

/* ── Suscripción ─────────────────────────────────────────── */
.suscribe{padding:66px 0}
.sus-card{display:grid;grid-template-columns:1.1fr .9fr;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg)}
.sus-left{padding:38px 36px}
.sus-left h2{font-size:1.4rem;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.25;margin-bottom:12px}
.sus-left p{font-size:.95rem;color:var(--muted);line-height:1.65;margin-bottom:18px}
.sus-list{list-style:none;display:flex;flex-direction:column;gap:10px;padding:0;margin:0}
.sus-list li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--body);font-weight:500}
.ck{width:19px;height:19px;border-radius:50%;background:rgba(15,174,110,.12);color:var(--green);display:grid;place-items:center;flex-shrink:0;margin-top:3px;font-size:11px;font-weight:900}
.sus-right{padding:34px 32px;background:linear-gradient(160deg,var(--tint),var(--soft));border-left:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.regalo{align-self:flex-start;font-size:11.5px;font-weight:800;color:var(--violet);background:rgba(109,94,240,.1);border-radius:100px;padding:6px 13px;margin-bottom:14px}
.sus-right h3{font-size:1.18rem;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:-.02em;margin-bottom:6px}
.sus-right h3 b{font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sus-right .sub{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.sus-form{display:flex;flex-direction:column;gap:10px}
.sus-form input{font-family:inherit;font-size:15px;color:var(--ink);background:#fff;border:1.5px solid var(--line2);border-radius:12px;padding:14px 16px;outline:none;width:100%;transition:.2s}
.sus-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,96,223,.12)}
.micro{font-size:11.5px;color:var(--muted2);text-align:center;margin-top:12px}
.sus-ok{display:none;text-align:center}
.sus-ok.on{display:block}
.sus-ok .ic{width:50px;height:50px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin:0 auto 12px;font-size:22px;font-weight:900}
.sus-ok h4{font-size:1.08rem;color:var(--ink);font-weight:800;margin-bottom:5px}
.sus-ok p{color:var(--muted);font-size:.88rem}

/* ── Pie ─────────────────────────────────────────────────── */
footer{background:var(--navy);color:#a9c4e6;padding:52px 0 30px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:34px}
footer .brand-name{color:#fff}
.foot-brand p{margin-top:14px;line-height:1.7;color:#8fa9cc;font-size:.88rem;max-width:340px}
.fcol h5{color:#fff;font-size:.85rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.fcol a{display:block;color:#a9c4e6;margin-bottom:9px;font-size:.9rem;transition:color .2s}
.fcol a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;color:#8fa9cc}
.foot-bottom a{color:#a9c4e6}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:1000px){
  .posts-grid{grid-template-columns:1fr 1fr}
  .post-card.destacado{grid-column:span 2}
  .sig-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:820px){
  .sus-card{grid-template-columns:1fr}
  .sus-right{border-left:none;border-top:1px solid var(--line)}
  .post-card.destacado{flex-direction:column}
  .post-card.destacado .post-top{width:100%;min-height:0;height:170px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .posts-grid{grid-template-columns:1fr}
  .post-card.destacado{grid-column:span 1}
  .sig-grid{grid-template-columns:1fr}
  .blog-hero{padding:44px 0 38px}
  .sus-left,.sus-right{padding:30px 24px}
  .art-cta{padding:30px 22px}
  .art-cta .btns{flex-direction:column}
  .art-cta .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
}
@media(hover:none){.post-card:hover,.sig:hover,.btn:hover,.nav-cta:hover{transform:none}}