:root{
    --paper:        #F1F0EA;
    --paper-raised: #FFFFFF;
    --ink:          #1C1F22;
    --ink-soft:     #565B61;
    --line:         #D9D6CB;
    --accent:       #2F5DE3;
    --accent-ink:   #1E3FA0;
    --accent-warm:  #C98A2A;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body:    'Source Serif 4', Georgia, serif;
    --font-mono:    'IBM Plex Mono', monospace;

    --maxw: 1180px;
    --radius: 2px;
  }

  *{ box-sizing: border-box; }
  html{ scroll-behavior: smooth; }

  body{
    margin:0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  img{ max-width:100%; display:block; }
  a{ color: inherit; text-decoration:none; }

  .wrap{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 32px;
  }

  ::selection{ background: var(--accent); color:#fff; }

  a:focus-visible, button:focus-visible{
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }

  @media (prefers-reduced-motion: reduce){
    *{ animation: none !important; transition: none !important; }
  }

  .site-header{
    position: sticky; top:0; z-index: 50;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .site-header .wrap{
    display:flex; align-items:center; justify-content:space-between;
    height: 84px;
  }
  .logo{
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.01em;
    display:flex; align-items:baseline; gap:10px;
  }
  .logo small{
    font-family: var(--font-mono);
    font-weight:400;
    font-size: 0.62rem;
    color: var(--ink-soft);
    letter-spacing: 0.14em;
    text-transform:uppercase;
  }
  .main-nav ul{
    list-style:none; display:flex; gap: 34px; margin:0; padding:0;
  }
  .main-nav a{
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
    padding: 6px 0;
    position:relative;
  }
  .main-nav a::after{
    content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
    background: var(--accent);
    transform: scaleX(0); transform-origin:left;
    transition: transform .25s ease;
  }
  .main-nav a:hover::after,
  .main-nav a.is-active::after{ transform: scaleX(1); }
  .main-nav a.is-active{ color: var(--ink); }

  .nav-toggle{
    display:none;
    background:none; border:none; cursor:pointer;
    width:34px; height:34px; position:relative;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
    content:""; position:absolute; left:6px; right:6px; height:2px; background:var(--ink);
  }
  .nav-toggle span{ top:16px; }
  .nav-toggle span::before{ top:-7px; }
  .nav-toggle span::after{ top:7px; }

  .hero{
    padding: 56px 0 64px;
    border-bottom: 1px solid var(--line);
  }
  .hero .wrap{
    display:grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items:center;
  }
  .eyebrow{
    display:inline-flex; align-items:center; gap:8px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-warm);
    margin-bottom: 18px;
  }
  .eyebrow::before{
    content:""; width:7px; height:7px; border-radius:50%;
    background: var(--accent-warm);
  }
  .hero h1{
    font-family: var(--font-display);
    font-size: clamp(2.1rem, 3.6vw, 3.1rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    margin: 0 0 20px;
  }
  .hero p.excerpt{
    color: var(--ink-soft);
    font-size: 1.1rem;
    max-width: 52ch;
    margin: 0 0 26px;
  }
  .meta-row{
    display:flex; align-items:center; gap:16px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-soft);
  }
  .meta-row .dot{ color: var(--line); }

  .btn{
    display:inline-flex; align-items:center; gap:10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: var(--ink);
    color: var(--paper);
    padding: 13px 22px;
    border: none;
    cursor:pointer;
    transition: background .2s ease, transform .2s ease;
  }
  .btn:hover{ background: var(--accent-ink); transform: translateY(-1px); }
  .btn-outline{
    background:none; color:var(--ink); border:1px solid var(--ink);
  }
  .btn-outline:hover{ background: var(--ink); color: var(--paper); }

  .hero-media{
    position:relative;
    aspect-ratio: 4/3;
    overflow:hidden;
    background: var(--paper-raised);
    border: 1px solid var(--line);
  }
  .hero-media img{ width:100%; height:100%; object-fit:cover; }

  .signal-divider{
    display:block;
    width:100%;
    height: 46px;
    background: var(--paper);
  }
  .signal-divider path{
    fill:none;
    stroke: var(--line);
    stroke-width: 1.5;
  }
  .signal-divider path.pulse{
    stroke: var(--accent);
    stroke-dasharray: 6 10;
    animation: pulse-move 5s linear infinite;
  }
  @keyframes pulse-move{
    to{ stroke-dashoffset: -160; }
  }

  .archive{ padding: 64px 0 40px; }
  .section-head{
    display:flex; align-items:baseline; justify-content:space-between;
    margin-bottom: 34px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 18px;
  }
  .section-head h2{
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin:0;
  }
  .section-head .count{
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-soft);
  }

  .grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 32px;
  }

  .card{
    display:flex; flex-direction:column;
    opacity:0; transform: translateY(14px);
    transition: opacity .6s ease, transform .6s ease;
  }
  .card.is-visible{ opacity:1; transform:none; }

  .card-media{
    aspect-ratio: 16/11;
    overflow:hidden;
    background: var(--paper-raised);
    border: 1px solid var(--line);
    margin-bottom: 18px;
  }
  .card-media img{
    width:100%; height:100%; object-fit:cover;
    transition: transform .5s ease;
  }
  .card:hover .card-media img{ transform: scale(1.045); }

  .card .eyebrow{ margin-bottom: 12px; font-size:0.68rem; }
  .card h3{
    font-family: var(--font-display);
    font-size: 1.22rem;
    line-height:1.28;
    margin: 0 0 10px;
  }
  .card h3 a{
    background-image: linear-gradient(var(--accent), var(--accent));
    background-repeat:no-repeat;
    background-size: 0% 2px;
    background-position: left bottom;
    transition: background-size .25s ease;
  }
  .card:hover h3 a{ background-size: 100% 2px; }

  .card p.excerpt{
    color: var(--ink-soft);
    font-size: 0.98rem;
    margin: 0 0 14px;
    flex-grow:1;
  }
  .card .meta-row{ font-size:0.72rem; }

  .card--wide{ grid-column: span 2; }
  .card--wide .card-media{ aspect-ratio: 16/8; }
  .card--wide h3{ font-size: 1.55rem; }

  .load-more{
    display:flex; justify-content:center;
    margin: 46px 0 10px;
  }

  .newsletter{
    margin: 70px 0;
    padding: 46px 0;
    background: var(--ink);
    color: var(--paper);
  }
  .newsletter .wrap{
    display:flex; align-items:center; justify-content:space-between; gap:40px;
    flex-wrap:wrap;
  }
  .newsletter h2{
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0 0 6px;
  }
  .newsletter p{
    color: #B9BDC3; margin:0; max-width: 46ch;
  }
  .newsletter form{
    display:flex; gap:10px; flex-wrap:wrap;
  }
  .newsletter input[type="email"]{
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: transparent;
    border: 1px solid #4A4E54;
    color: var(--paper);
    padding: 13px 16px;
    min-width: 240px;
  }
  .newsletter input::placeholder{ color:#7C8087; }
  .newsletter .btn{ background: var(--accent); color:#fff; }
  .newsletter .btn:hover{ background:#4A73F0; }

  .site-footer{
    border-top: 1px solid var(--line);
    padding: 40px 0 30px;
  }
  .site-footer .wrap{
    display:flex; justify-content:space-between; align-items:flex-start;
    flex-wrap:wrap; gap: 24px;
  }
  .footer-cols{ display:flex; gap:56px; flex-wrap:wrap; }
  .footer-col h4{
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform:uppercase;
    letter-spacing:0.1em;
    color: var(--ink-soft);
    margin: 0 0 14px;
  }
  .footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px; }
  .footer-col a{ font-size:0.92rem; color: var(--ink); }
  .footer-col a:hover{ color: var(--accent); }
  .copy{
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-soft);
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }
  .site-footer .wrap.foot-bottom{ display:block; }

  .disclaimer{
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--ink-soft);
    background: var(--paper-raised);
    border: 1px solid var(--line);
    padding: 16px 18px;
    margin-top: 26px;
    max-width: 60ch;
  }

  @media (max-width: 880px){
    .hero .wrap{ grid-template-columns: 1fr; }
    .hero-media{ order:-1; }
    .grid{ grid-template-columns: repeat(2,1fr); }
    .card--wide{ grid-column: span 2; }
  }

  @media (max-width: 620px){
    .wrap{ padding: 0 20px; }
    .main-nav{
      position:fixed; inset: 84px 0 0 0;
      background: var(--paper);
      transform: translateX(100%);
      transition: transform .3s ease;
      padding: 30px 20px;
    }
    .main-nav.is-open{ transform: translateX(0); }
    .main-nav ul{ flex-direction:column; gap: 20px; }
    .nav-toggle{ display:block; }
    .grid{ grid-template-columns: 1fr; }
    .card--wide{ grid-column: span 1; }
    .newsletter .wrap{ flex-direction:column; align-items:flex-start; }
  }

/* ==========================================================
   9. PÁGINA DE ARTÍCULO — usada por article-*.html
   ========================================================== */
.breadcrumb-bar{
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.breadcrumb-bar a{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  display:inline-flex; align-items:center; gap:8px;
}
.breadcrumb-bar a:hover{ color: var(--accent); }
.breadcrumb-bar a::before{ content:"←"; }

.article-head{
  padding: 50px 0 34px;
  max-width: 760px;
}
.article-head h1{
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
}
.article-head .lead{
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 22px;
}

.article-hero-media{
  aspect-ratio: 21/9;
  overflow:hidden;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  margin-bottom: 8px;
}
.article-hero-media img{ width:100%; height:100%; object-fit:cover; }
.figure-caption{
  max-width: 760px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin: 10px 0 0;
}

.article-body-wrap{ padding: 48px 0 20px; }
.article-body{
  max-width: 700px;
  font-size: 1.06rem;
  line-height: 1.8;
}
.article-body h2{
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 46px 0 18px;
  letter-spacing: -0.005em;
}
.article-body h2:first-child{ margin-top:0; }
.article-body h3{
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 32px 0 12px;
}
.article-body p{ margin: 0 0 20px; }
.article-body ul, .article-body ol{ margin: 0 0 22px; padding-left: 22px; }
.article-body li{ margin-bottom: 10px; }
.article-body strong{ color: var(--ink); }

.pull-quote{
  border-left: 3px solid var(--accent);
  margin: 34px 0;
  padding: 4px 0 4px 22px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--ink);
}

.callout{
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-warm);
  padding: 20px 22px;
  margin: 30px 0;
}
.callout h4{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-warm);
  margin: 0 0 10px;
}
.callout p{ margin:0; font-size: 0.98rem; }
.callout p + p{ margin-top:12px; }

.article-tags{
  display:flex; gap:10px; flex-wrap:wrap;
  margin: 40px 0 0;
  max-width: 700px;
}
.article-tags a{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  padding: 7px 12px;
  color: var(--ink-soft);
}
.article-tags a:hover{ border-color: var(--accent); color: var(--accent); }

.related{ padding: 20px 0 60px; border-top: 1px solid var(--line); margin-top: 50px; }

@media (max-width: 620px){
  .article-hero-media{ aspect-ratio: 4/3; }
}