/* ============================================================
   BLUE DIAMONDS · guías y páginas de texto
   ============================================================ */
.page-wrap{position:relative;z-index:2}
.hero-doc{
  position:relative;overflow:hidden;padding:148px 0 64px;
  background:radial-gradient(110% 90% at 82% 0%, rgba(18,44,72,.9), rgba(5,15,30,0) 62%),
             linear-gradient(180deg,var(--navy-800),var(--navy-900));
  border-bottom:1px solid var(--line-navy);
}
.hero-doc::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background:linear-gradient(74deg,transparent calc(58% - .5px),rgba(201,169,106,.13) 58%,transparent calc(58% + .5px));
}
.hero-doc .wrap{position:relative}
.hero-doc h1{font-size:clamp(31px,4.1vw,54px);margin-top:18px;max-width:21ch;letter-spacing:-.03em}
.hero-doc .lead{margin-top:22px;font-size:18px;color:rgba(242,245,248,.72);max-width:58ch}
.hero-doc .meta{margin-top:28px;padding-top:20px;border-top:1px solid var(--line-navy);
  display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:rgba(242,245,248,.55)}
.hero-doc .meta b{color:var(--brass);font-weight:600}

.doc-cols{display:grid;grid-template-columns:1fr 300px;gap:72px;align-items:start;padding:64px 0 110px}
.aside{position:sticky;top:104px;display:grid;gap:26px}
.aside .box{border:1px solid var(--line-navy);border-radius:var(--r);padding:26px}
.aside .box.gold{border-color:rgba(201,169,106,.32);background:rgba(201,169,106,.06)}
.aside h4{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);margin-bottom:16px}
.aside p{font-size:14.5px;color:rgba(242,245,248,.7);line-height:1.6}
.aside .btn{width:100%;margin-top:18px}
.aside ol{list-style:none;display:grid;gap:11px;counter-reset:t}
.aside ol a{font-size:14px;color:rgba(242,245,248,.68);display:flex;gap:10px;transition:color .25s var(--ease)}
.aside ol a::before{counter-increment:t;content:counter(t,decimal-leading-zero);color:var(--brass);font-size:11px;padding-top:3px}
.aside ol a:hover{color:var(--brass-2)}
.aside .data{display:grid;gap:12px;font-size:14px;color:rgba(242,245,248,.7)}
.aside .data b{color:var(--white);font-weight:600}

.doc-body{max-width:none}
.doc-body>p:first-of-type{font-size:19px;color:rgba(242,245,248,.86)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.callout h3{font-size:22px;margin-bottom:12px}
.callout p{color:rgba(242,245,248,.76)}

.related{border-top:1px solid var(--line-navy);padding:74px 0 96px}
.related h2{font-size:26px;margin-bottom:34px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-navy);
  border-top:1px solid var(--line-navy);border-bottom:1px solid var(--line-navy)}
.rel{background:var(--navy-900);padding:30px 26px;display:flex;flex-direction:column;transition:background .4s var(--ease)}
.rel:hover{background:var(--navy-800)}
.rel .tag{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);font-family:"Archivo",sans-serif;font-weight:600}
.rel h3{margin-top:14px;font-size:18.5px;font-variation-settings:"wdth" 92;line-height:1.25;letter-spacing:-.01em}
.rel p{margin-top:10px;font-size:14px;color:rgba(242,245,248,.6);flex:1}

/* índice del blog */
.idx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-navy);
  border-top:1px solid var(--line-navy);border-bottom:1px solid var(--line-navy);margin-bottom:110px}
.idx{background:var(--navy-900);padding:36px 30px 32px;display:flex;flex-direction:column;
  transition:background .4s var(--ease);position:relative;overflow:hidden}
.idx::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .45s var(--ease);pointer-events:none;
  background:radial-gradient(240px circle at 80% 0%, rgba(201,169,106,.14), transparent 66%)}
.idx:hover{background:var(--navy-800)}
.idx:hover::before{opacity:1}
.idx .tag{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);font-family:"Archivo",sans-serif;font-weight:600}
.idx h2{margin-top:16px;font-size:21px;font-variation-settings:"wdth" 90;line-height:1.24;letter-spacing:-.015em}
.idx p{margin-top:12px;font-size:14.5px;color:rgba(242,245,248,.64);flex:1}
.idx .go{margin-top:24px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);
  font-weight:600;font-family:"Archivo",sans-serif;display:flex;align-items:center;gap:9px}
.idx .go i{display:block;width:20px;height:1px;background:var(--brass);transition:width .35s var(--ease)}
.idx:hover .go i{width:34px}
.idx.feat{grid-column:span 3;flex-direction:row;align-items:flex-end;justify-content:space-between;gap:48px;padding:44px 34px}
.idx.feat h2{font-size:clamp(24px,2.8vw,34px);max-width:20ch;margin-top:14px}
.idx.feat p{max-width:46ch;margin-top:0}
.idx.feat .l{flex:1}

@media (max-width:1100px){
  .doc-cols{grid-template-columns:1fr;gap:0;padding-bottom:80px}
  .aside{position:static;grid-template-columns:1fr 1fr;margin-bottom:44px}
  .aside .box.tocbox{grid-column:1/-1}
  .rel-grid,.idx-grid{grid-template-columns:1fr 1fr}
  .idx.feat{grid-column:span 2;flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:768px){
  .hero-doc{padding:108px 0 44px}
  .hero-doc .lead{font-size:16.5px}
  .aside{grid-template-columns:1fr}
  .rel-grid,.idx-grid{grid-template-columns:1fr}
  .idx.feat{grid-column:span 1}
  .doc-cols{padding-top:44px}
  .related{padding:52px 0 64px}
  body{padding-bottom:0}
}