:root{
  --ink:#14161A;
  --ink-soft:#31353D;
  --paper:#FFFFFF;
  --paper-alt:#F3F5F8;
  --line:rgba(20,22,26,0.12);
  --blue:#2557E8;
  --blue-deep:#1B3FB0;
  --blue-tint:rgba(37,87,232,0.08);
  --yellow:#FFD400;
  --yellow-deep:#E8BF00;
  --muted:#5B6270;
  --radius:2px;
  --max:1120px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}
body{
  font-family:'Public Sans', sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
h1,h2,h3{font-family:'Fraunces', serif; font-weight:450; letter-spacing:-0.01em;}
.eyebrow{
  font-family:'Public Sans', sans-serif;
  font-size:12.5px; letter-spacing:0.16em; text-transform:uppercase;
  font-weight:700; color:var(--blue);
}

/* Nav (idéntico a la home) */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
nav.wrap{display:flex; align-items:center; justify-content:space-between; height:82px;}
.logo{
  font-family:'Fraunces', serif; font-style:italic; font-weight:500;
  font-size:22px; color:var(--ink); text-decoration:none;
}
.nav-links{display:flex; align-items:center; gap:36px; list-style:none;}
.nav-links a{text-decoration:none; font-size:14.5px; font-weight:500; color:var(--ink-soft);}
.nav-links a:hover{color:var(--blue);}
.btn{
  display:inline-flex; align-items:center; gap:8px; padding:12px 22px;
  font-family:'Public Sans', sans-serif; font-size:14px; font-weight:700;
  border-radius:var(--radius); text-decoration:none; cursor:pointer;
  border:2px solid transparent; transition:transform .2s ease, background .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--yellow); color:var(--ink); border-color:var(--yellow);}
.btn-primary:hover{background:var(--yellow-deep); border-color:var(--yellow-deep);}
.btn-outline{background:transparent; color:var(--ink); border-color:var(--ink);}
.btn-outline:hover{background:var(--ink); color:var(--paper);}

/* Page header */
.page-hero{padding:80px 0 56px; border-bottom:1px solid var(--line);}
.page-hero .eyebrow{display:block; margin-bottom:14px;}
.page-hero h1{font-size:clamp(30px,4vw,46px); max-width:16ch;}
.page-hero p{margin-top:16px; color:var(--muted); font-size:16.5px; max-width:56ch;}

/* Category filter chips */
.cat-filters{display:flex; flex-wrap:wrap; gap:10px; margin-top:28px;}
.cat-chip{
  padding:8px 16px; border:1px solid var(--line); border-radius:999px;
  font-size:13px; font-weight:600; text-decoration:none; color:var(--ink-soft);
}
.cat-chip:hover{border-color:var(--blue); color:var(--blue);}
.cat-chip.active{background:var(--ink); border-color:var(--ink); color:var(--paper);}

/* Post grid */
.post-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:28px;
  padding:64px 0;
}
.post-card{
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  text-decoration:none; color:var(--ink); display:flex; flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px); box-shadow:0 16px 32px rgba(20,22,26,0.08);}
.post-card .thumb{
  aspect-ratio:16/10; background:linear-gradient(150deg, var(--paper-alt), var(--yellow) 160%);
}
.post-card .thumb img{width:100%; height:100%; object-fit:cover;}
.post-card .body{padding:22px; display:flex; flex-direction:column; gap:10px; flex:1;}
.post-card .cat{font-size:11.5px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--blue);}
.post-card h3{font-size:19px; line-height:1.3;}
.post-card p{font-size:14.5px; color:var(--muted); flex:1;}
.post-card .meta{font-size:12.5px; color:var(--muted); border-top:1px solid var(--line); padding-top:12px; margin-top:4px;}
.empty-state{padding:60px 0; text-align:center; color:var(--muted);}

/* Pagination */
.pagination{display:flex; justify-content:center; gap:10px; padding-bottom:80px;}
.pagination a, .pagination span{
  min-width:40px; text-align:center; padding:9px 6px; border:1px solid var(--line);
  border-radius:var(--radius); font-size:14px; text-decoration:none; color:var(--ink-soft);
}
.pagination a:hover{border-color:var(--blue); color:var(--blue);}
.pagination .current{background:var(--ink); color:var(--paper); border-color:var(--ink);}

/* Single post layout */
.post-layout{display:grid; grid-template-columns:1fr 280px; gap:64px; padding:64px 0 100px; align-items:start;}
.post-article header{margin-bottom:32px;}
.post-article header .cat{font-size:12.5px; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--blue); display:block; margin-bottom:14px;}
.post-article header h1{font-size:clamp(28px,4vw,42px); line-height:1.2;}
.post-article header .meta{margin-top:16px; font-size:14px; color:var(--muted);}
.post-article .cover{width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius); margin-bottom:36px; background:var(--paper-alt);}
.post-content{font-size:17px; color:var(--ink-soft);}
.post-content h2{font-size:26px; margin:44px 0 16px; scroll-margin-top:100px;}
.post-content h3{font-size:21px; margin:32px 0 14px; scroll-margin-top:100px;}
.post-content p{margin-bottom:20px;}
.post-content ul, .post-content ol{margin:0 0 20px 22px;}
.post-content blockquote{
  border-left:3px solid var(--yellow); padding:4px 22px; margin:28px 0;
  font-family:'Fraunces', serif; font-style:italic; color:var(--ink-soft);
}
.post-content a{color:var(--blue); text-decoration:underline;}
.post-content img{border-radius:var(--radius); margin:24px 0;}

.toc{
  position:sticky; top:110px; border:1px solid var(--line); border-radius:var(--radius);
  padding:24px; background:var(--paper-alt);
}
.toc .eyebrow{display:block; margin-bottom:14px;}
.toc ul{list-style:none; display:flex; flex-direction:column; gap:10px;}
.toc a{font-size:13.5px; color:var(--ink-soft); text-decoration:none; line-height:1.4;}
.toc a:hover{color:var(--blue);}
.toc li.level-3{margin-left:14px;}
.toc a.active{color:var(--blue); font-weight:700;}

footer.site{background:var(--paper-alt); border-top:1px solid var(--line); padding:36px 0;}
.footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
.footer-inner p{font-size:13px; color:var(--muted);}
.footer-inner a{font-size:13px; color:var(--muted); text-decoration:none;}
.footer-inner a:hover{color:var(--blue);}

@media (max-width:880px){
  .post-grid{grid-template-columns:1fr;}
  .post-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .nav-links{display:none;}
}
.footer-links{display:flex; gap:20px; list-style:none;}
.footer-links a{font-size:13px; color:var(--muted); text-decoration:none;}
.footer-links a:hover{color:var(--blue);}