/* ============================================================
   IA con Negocios — hoja de estilos compartida
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --paper: #f3f2ec;
  --paper-raised: #fbfaf6;
  --ink: #182620;
  --ink-soft: #4b564f;
  --line: #d9d6c9;
  --line-strong: #b9b6a8;
  --ochre: #c1832c;
  --ochre-dark: #96631c;
  --teal: #2f5d53;
  --teal-dark: #1f3f38;
  --danger: #a4402c;

  /* Acentos vivos para gradientes y hover (mismo tono, más saturación) */
  --emerald: #1f9d74;
  --emerald-light: #4dc79b;
  --amber: #e2a63b;
  --amber-light: #f2c46b;

  --grad-teal: linear-gradient(135deg, var(--teal-dark), var(--emerald) 130%);
  --grad-warm: linear-gradient(135deg, var(--ochre-dark), var(--amber) 130%);
  --grad-mesh: radial-gradient(circle at 15% 20%, rgba(31,157,116,0.16), transparent 45%),
               radial-gradient(circle at 85% 0%, rgba(226,166,59,0.14), transparent 40%);

  --shadow-sm: 0 1px 2px rgba(24,38,32,0.06);
  --shadow-md: 0 8px 24px -8px rgba(24,38,32,0.18);
  --shadow-lg: 0 20px 45px -12px rgba(24,38,32,0.28);
  --shadow-glow-teal: 0 10px 30px -10px rgba(31,157,116,0.45);
  --shadow-glow-amber: 0 10px 30px -10px rgba(226,166,59,0.45);

  --ease: cubic-bezier(.4,.0,.2,1);

  --serif: "Source Serif 4", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", monospace;

  --max: 1120px;
  --gutter: 28px;

  --radius: 3px;
  --radius-card: 14px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--ink);
}
p{margin:0 0 1.1em;}
.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

/* ---------- Top bar ---------- */
.topbar{
  border-bottom:1px solid var(--line);
  background:rgba(243,242,236,0.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  position:sticky;
  top:0;
  z-index:40;
  transition:box-shadow .3s var(--ease), border-color .3s var(--ease);
}
@supports not (backdrop-filter: blur(1px)){
  .topbar{background:var(--paper);}
}
.topbar .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:18px;
  padding-bottom:18px;
}
.brand{
  font-family:var(--serif);
  font-weight:700;
  font-size:1.28rem;
  text-decoration:none;
  letter-spacing:-0.01em;
  display:flex;
  align-items:baseline;
  gap:6px;
}
.brand .brand-dot{color:var(--ochre);}
.nav{
  display:flex;
  gap:30px;
  list-style:none;
  margin:0;
  padding:0;
  font-size:0.96rem;
}
.nav a{
  position:relative;
  text-decoration:none;
  color:var(--ink-soft);
  padding-bottom:4px;
  transition:color .2s var(--ease);
}
.nav a::after{
  content:"";
  position:absolute;
  left:0; right:100%;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--grad-warm);
  transition:right .25s var(--ease);
}
.nav a:hover, .nav a[aria-current="page"]{
  color:var(--ink);
}
.nav a:hover::after, .nav a[aria-current="page"]::after{
  right:0;
}
.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:8px 10px;
  font-family:var(--sans);
  cursor:pointer;
}

@media (max-width:780px){
  .nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--paper-raised);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    gap:0;
    padding:0 var(--gutter);
    max-height:0;
    overflow:hidden;
    opacity:0;
    display:flex;
    transition:max-height .3s var(--ease), opacity .25s var(--ease), padding .3s var(--ease);
  }
  .nav.open{max-height:320px;opacity:1;padding:6px var(--gutter) 16px;}
  .nav a{
    display:block;
    padding:12px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-toggle{display:block;}
}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--line);
  margin-top:90px;
  padding:46px 0 60px;
  background:var(--paper-raised);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:36px;
}
.footer-grid h4{
  font-family:var(--mono);
  font-size:0.78rem;
  text-transform:none;
  letter-spacing:0.03em;
  color:var(--ink-soft);
  margin-bottom:14px;
}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:8px;}
.footer-grid a{text-decoration:none;color:var(--ink-soft);font-size:0.95rem;}
.footer-grid a:hover{color:var(--ink);}
.footer-note{
  font-size:0.87rem;
  color:var(--ink-soft);
  max-width:40ch;
}
.footer-bottom{
  max-width:var(--max);
  margin:34px auto 0;
  padding:18px var(--gutter) 0;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:0.82rem;
  color:var(--ink-soft);
}
@media (max-width:700px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--sans);
  font-weight:600;
  font-size:0.96rem;
  text-decoration:none;
  padding:12px 24px;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
  will-change:transform;
}
.btn-primary{background:var(--grad-teal);color:#f6f4ec;box-shadow:var(--shadow-sm);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow-teal);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--ochre);color:var(--ochre-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
@media (prefers-reduced-motion: reduce){
  .btn-primary:hover, .btn-ghost:hover{transform:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:70px 0 60px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
  background-image:var(--grad-mesh);
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:56px;
  align-items:start;
}
.kicker{
  font-family:var(--mono);
  font-size:0.84rem;
  color:var(--teal-dark);
  margin-bottom:18px;
  display:block;
}
.hero h1{
  font-size:clamp(2.1rem, 4vw, 3.3rem);
  max-width:14ch;
}
.hero .lede{
  font-size:1.15rem;
  color:var(--ink-soft);
  max-width:52ch;
  margin-top:18px;
}
.hero-actions{
  margin-top:30px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.field-note{
  border:1px solid var(--line-strong);
  background:var(--paper-raised);
  padding:26px;
  border-radius:var(--radius);
}
.field-note .stat{
  font-family:var(--serif);
  font-size:2.6rem;
  color:var(--ochre-dark);
  line-height:1;
  margin-bottom:10px;
}
.field-note .stat-label{
  font-size:0.92rem;
  color:var(--ink-soft);
  line-height:1.5;
}
.field-note .stat-source{
  margin-top:16px;
  font-family:var(--mono);
  font-size:0.76rem;
  color:var(--ink-soft);
  border-top:1px solid var(--line);
  padding-top:12px;
}
@media (max-width:820px){
  .hero .wrap{grid-template-columns:1fr;}
}

/* ---------- Section headers ---------- */
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:20px;
  margin-bottom:34px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.section-head h2{font-size:1.7rem;}
.section-head .see-all{
  font-family:var(--mono);
  font-size:0.85rem;
  text-decoration:none;
  color:var(--teal-dark);
  white-space:nowrap;
  display:inline-block;
  transition:color .2s var(--ease), transform .2s var(--ease);
}
.section-head .see-all:hover{color:var(--ochre-dark);transform:translateX(3px);}

section.block{padding:64px 0;}
section.block.tint{background:var(--paper-raised);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- Ranked tool list ---------- */
.tool-list{list-style:none;margin:0;padding:0;}
.tool-item{
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:22px;
  align-items:start;
  padding:26px 20px;
  margin:0 -20px;
  border-bottom:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:background .22s var(--ease), transform .22s var(--ease);
}
.tool-item:hover{
  background:var(--paper-raised);
  transform:translateX(4px);
}
.tool-rank{
  font-family:var(--serif);
  font-size:2.1rem;
  color:var(--line-strong);
  line-height:1;
  transition:color .22s var(--ease);
}
.tool-item:hover .tool-rank{color:var(--ochre);}
@media (prefers-reduced-motion: reduce){
  .tool-item:hover{transform:none;}
}
.tool-name{font-size:1.18rem;margin-bottom:6px;}
.tool-desc{color:var(--ink-soft);font-size:0.98rem;margin-bottom:10px;max-width:60ch;}
.tool-tags{display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  font-family:var(--mono);
  font-size:0.74rem;
  color:var(--teal-dark);
  border:1px solid var(--line-strong);
  padding:3px 9px;
  border-radius:20px;
}
.tool-price{
  text-align:right;
  font-family:var(--mono);
  font-size:0.9rem;
  color:var(--ink-soft);
  white-space:nowrap;
  padding-top:8px;
}
@media (max-width:640px){
  .tool-item{grid-template-columns:40px 1fr;}
  .tool-price{grid-column:1 / -1;text-align:left;padding-top:0;}
}

/* ---------- Article cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:30px;
}
.article-card{
  border:1px solid var(--line);
  background:var(--paper-raised);
  padding:26px;
  border-radius:var(--radius-card);
  text-decoration:none;
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
  will-change:transform;
}
.article-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:transparent;
}
.article-card .cat{
  font-family:var(--mono);
  font-size:0.74rem;
  color:var(--ochre-dark);
  margin-bottom:12px;
  transition:color .2s var(--ease);
}
.article-card h3{font-size:1.14rem;margin-bottom:10px;transition:color .2s var(--ease);}
.article-card:hover h3{color:var(--teal-dark);}
.article-card p{color:var(--ink-soft);font-size:0.94rem;margin-bottom:14px;flex-grow:1;}
.article-card .meta{
  font-family:var(--mono);
  font-size:0.76rem;
  color:var(--line-strong);
  border-top:1px solid var(--line);
  padding-top:12px;
}
@media (prefers-reduced-motion: reduce){
  .article-card:hover{transform:none;}
}
@media (max-width:900px){
  .card-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .card-grid{grid-template-columns:1fr;}
}

/* ---------- Article page ---------- */
.article-head{padding:56px 0 30px;border-bottom:1px solid var(--line);}
.article-head .cat{
  font-family:var(--mono);
  color:var(--ochre-dark);
  font-size:0.85rem;
  display:block;
  margin-bottom:16px;
}
.article-head h1{font-size:clamp(1.9rem,3.6vw,2.7rem);max-width:22ch;}
.article-meta{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  margin-top:20px;
  font-family:var(--mono);
  font-size:0.82rem;
  color:var(--ink-soft);
}
.article-body{
  max-width:70ch;
  margin:0 auto;
  padding:50px var(--gutter) 20px;
}
.article-body h2{font-size:1.5rem;margin-top:1.8em;}
.article-body h3{font-size:1.2rem;margin-top:1.5em;}
.article-body ul, .article-body ol{padding-left:1.3em;margin-bottom:1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  border-left:3px solid var(--ochre);
  margin:1.8em 0;
  padding:4px 0 4px 22px;
  font-style:italic;
  color:var(--ink-soft);
}
.callout{
  background:var(--paper-raised);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px;
  margin:2em 0;
}
.callout .callout-label{
  font-family:var(--mono);
  font-size:0.76rem;
  color:var(--teal-dark);
  margin-bottom:8px;
  display:block;
}
.ad-slot{
  max-width:70ch;
  margin:40px auto;
  padding:0 var(--gutter);
}
.ad-slot .ad-frame{
  border:1px dashed var(--line-strong);
  color:var(--ink-soft);
  font-family:var(--mono);
  font-size:0.78rem;
  text-align:center;
  padding:26px;
  border-radius:var(--radius);
}

/* ---------- Simple pages (about/contact/legal) ---------- */
.page-head{padding:60px 0 20px;border-bottom:1px solid var(--line);}
.page-head h1{font-size:clamp(1.9rem,3.6vw,2.6rem);max-width:20ch;}
.page-body{max-width:70ch;margin:0 auto;padding:44px var(--gutter) 80px;}
.page-body h2{font-size:1.35rem;margin-top:1.6em;}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:18px;max-width:560px;}
label{
  display:block;
  font-family:var(--mono);
  font-size:0.8rem;
  color:var(--ink-soft);
  margin-bottom:6px;
}
input, textarea{
  width:100%;
  font-family:var(--sans);
  font-size:1rem;
  padding:12px 14px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  background:var(--paper-raised);
  color:var(--ink);
}
textarea{resize:vertical;min-height:140px;}

/* ---------- Cookie banner ---------- */
#cookie-banner{
  position:fixed;
  left:0;right:0;bottom:0;
  background:var(--teal-dark);
  color:#f4f2ea;
  z-index:100;
  padding:18px var(--gutter);
  display:none;
}
#cookie-banner.show{display:block;}
#cookie-banner .wrap{
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
#cookie-banner p{margin:0;font-size:0.92rem;max-width:64ch;}
#cookie-banner a{text-decoration:underline;}
#cookie-banner .actions{display:flex;gap:10px;flex-shrink:0;}
#cookie-banner button{
  font-family:var(--sans);
  font-weight:600;
  font-size:0.88rem;
  padding:9px 18px;
  border-radius:var(--radius);
  cursor:pointer;
  border:1px solid #f4f2ea;
}
#cookie-accept{background:var(--ochre);color:var(--ink);border-color:var(--ochre);}
#cookie-reject{background:transparent;color:#f4f2ea;}

/* ---------- Breadcrumb ---------- */
.crumb{
  font-family:var(--mono);
  font-size:0.8rem;
  color:var(--ink-soft);
  padding-top:22px;
}
.crumb a{color:var(--ink-soft);text-decoration:none;}
.crumb a:hover{color:var(--ink);}

/* ============================================================
   Ampliación visual — v2
   ============================================================ */

/* ---------- Hero illustration ---------- */
.hero-art{
  position:relative;
  aspect-ratio:1/1;
}
.hero-art::before{
  content:"";
  position:absolute;
  inset:8%;
  background:var(--grad-teal);
  filter:blur(50px);
  opacity:0.16;
  border-radius:50%;
  z-index:0;
  animation:float-blob 7s ease-in-out infinite;
}
.hero-art svg{position:relative;width:100%;height:100%;z-index:1;}
@keyframes float-blob{
  0%,100%{transform:translateY(0) scale(1);}
  50%{transform:translateY(-14px) scale(1.04);}
}
@media (prefers-reduced-motion: reduce){
  .hero-art::before{animation:none;}
}

/* ---------- Trust bar ---------- */
.trust-bar{
  border-bottom:1px solid var(--line);
  background:var(--paper-raised);
  padding:26px 0;
}
.trust-bar .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:18px;
}
.trust-item{
  display:flex;
  align-items:baseline;
  gap:8px;
  font-family:var(--mono);
  font-size:0.84rem;
  color:var(--ink-soft);
}
.trust-item strong{
  font-family:var(--serif);
  font-size:1.3rem;
  font-weight:600;
  background:var(--grad-warm);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------- Icon badges (category icons, hand-drawn line style) ---------- */
.icon-badge{
  width:52px;height:52px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:var(--paper-raised);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  transition:transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.icon-badge svg{width:26px;height:26px;stroke:var(--teal-dark);fill:none;stroke-width:1.6;transition:stroke .25s var(--ease);}

.category-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.category-card{
  border:1px solid var(--line);
  background:var(--paper-raised);
  padding:24px 20px;
  border-radius:var(--radius-card);
  text-decoration:none;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.category-card:hover{
  border-color:transparent;
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
}
.category-card:hover .icon-badge{
  background:var(--grad-warm);
  border-color:transparent;
  transform:scale(1.08) rotate(-6deg);
}
.category-card:hover .icon-badge svg{stroke:#fff;}
.category-card h3{font-size:1rem;margin:0;}
.category-card p{font-size:0.86rem;color:var(--ink-soft);margin:0;}
@media (prefers-reduced-motion: reduce){
  .category-card:hover, .category-card:hover .icon-badge{transform:none;}
}
@media (max-width:900px){.category-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.category-grid{grid-template-columns:1fr;}}

/* ---------- Testimonials ---------- */
.quote-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.quote-card{
  background:var(--paper-raised);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
}
.quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
@media (prefers-reduced-motion: reduce){.quote-card:hover{transform:none;}}
.quote-card blockquote{
  margin:0;
  border:none;
  padding:0;
  font-family:var(--serif);
  font-style:normal;
  font-size:1.06rem;
  color:var(--ink);
  line-height:1.5;
}
.quote-person{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:auto;
}
.quote-avatar{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--grad-teal);
  color:var(--paper-raised);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);
  font-size:0.95rem;
  flex-shrink:0;
  box-shadow:var(--shadow-sm);
}
.quote-name{font-size:0.88rem;font-weight:600;}
.quote-role{font-size:0.8rem;color:var(--ink-soft);}
@media (max-width:900px){.quote-grid{grid-template-columns:1fr;}}

/* ---------- Newsletter box ---------- */
.newsletter{
  position:relative;
  overflow:hidden;
  background:var(--grad-teal);
  color:#f3f1e9;
  border-radius:var(--radius-card);
  padding:44px;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:40px;
  align-items:center;
  box-shadow:var(--shadow-lg);
}
.newsletter::before{
  content:"";
  position:absolute;
  width:280px;height:280px;
  background:radial-gradient(circle, rgba(226,166,59,0.35), transparent 70%);
  right:-80px; top:-100px;
  border-radius:50%;
}
.newsletter h2{color:#f3f1e9;font-size:1.6rem;}
.newsletter p{color:#cfd8d2;margin-bottom:0;}
.newsletter form{display:flex;gap:10px;}
.newsletter input{
  flex:1;
  background:#22423a;
  border:1px solid #3a5f56;
  color:#f3f1e9;
}
.newsletter input::placeholder{color:#a9bcb5;}
.newsletter .btn-primary{background:var(--grad-warm);color:var(--ink);position:relative;z-index:1;}
.newsletter .btn-primary:hover{box-shadow:var(--shadow-glow-amber);}
.newsletter-fine{font-size:0.76rem;color:#a9bcb5;margin-top:10px;}
@media (max-width:800px){
  .newsletter{grid-template-columns:1fr;padding:32px;}
  .newsletter form{flex-direction:column;}
}

/* ---------- Ad slots (generic) ---------- */
.ad-frame{
  border:1px dashed var(--line-strong);
  color:var(--ink-soft);
  font-family:var(--mono);
  font-size:0.76rem;
  text-align:center;
  padding:22px;
  border-radius:var(--radius);
  background:var(--paper-raised);
}
.ad-slot-leaderboard{margin:0 auto;max-width:var(--max);padding:0 var(--gutter) 50px;}
.ad-slot-leaderboard .ad-frame{padding:34px;}
.ad-slot-infeed{grid-column:1/-1;}
.ad-slot-infeed .ad-frame{padding:30px;}
.ad-slot-sticky{position:sticky;top:96px;}
.ad-slot-sticky .ad-frame{min-height:250px;display:flex;align-items:center;justify-content:center;}
.ad-slot-square .ad-frame{min-height:250px;display:flex;align-items:center;justify-content:center;}

/* ---------- Article layout with sidebar ---------- */
.article-layout{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:56px;
  max-width:var(--max);
  margin:0 auto;
  padding:50px var(--gutter) 20px;
  align-items:start;
}
.article-layout .article-body{padding:0;margin:0;max-width:none;}
.sidebar{display:flex;flex-direction:column;gap:28px;}
.sidebar-box{
  border:1px solid var(--line);
  background:var(--paper-raised);
  border-radius:var(--radius);
  padding:22px;
}
.sidebar-box h4{
  font-family:var(--mono);
  font-size:0.78rem;
  color:var(--ink-soft);
  margin-bottom:16px;
  text-transform:none;
}
.sidebar-list{list-style:none;margin:0;padding:0;}
.sidebar-list li{border-bottom:1px solid var(--line);padding:12px 0;}
.sidebar-list li:last-child{border-bottom:none;}
.sidebar-list a{
  text-decoration:none;
  font-size:0.92rem;
  color:var(--ink);
  display:block;
  margin-bottom:4px;
}
.sidebar-list a:hover{color:var(--teal-dark);}
.sidebar-list .cat{font-family:var(--mono);font-size:0.72rem;color:var(--ochre-dark);}
@media (max-width:900px){
  .article-layout{grid-template-columns:1fr;}
  .sidebar{flex-direction:row;flex-wrap:wrap;}
  .sidebar-box{flex:1 1 260px;}
}

/* ---------- Scroll reveal (progressive enhancement) ---------- */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .55s var(--ease), transform .55s var(--ease);
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}
/* Si JS no carga, no dejamos nada oculto */
.no-js .reveal{opacity:1;transform:none;}