:root{
    --bg:#0A0C10;
    --bg-panel:#12151B;
    --bg-panel-alt:#171B22;
    --border:#262B35;
    --border-soft:#1B1F27;
    --text:#DCE1EA;
    --text-muted:#7C8494;
    --cyan:#35D6D0;
    --cyan-dim:rgba(53,214,208,0.10);
    --amber:#FFB020;
    --amber-dim:rgba(255,176,32,0.10);
    --danger:#FF5C5C;
    --font-display:'Chakra Petch', sans-serif;
    --font-body:'IBM Plex Sans', sans-serif;
    --font-mono:'JetBrains Mono', monospace;
  }
  *{box-sizing:border-box; margin:0; padding:0;}

  html{scroll-behavior:smooth;}

  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    line-height:1.55;
    background-image:
      linear-gradient(var(--border-soft) 1px, transparent 1px),
      linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
    background-size:48px 48px;
    background-position:-1px -1px;
  }

  a{color:inherit; text-decoration:none;}

  .wrap{max-width:1160px; margin:0 auto; padding:0 28px;}

  :focus-visible{outline:2px solid var(--cyan); outline-offset:3px;}

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(10,12,16,0.92);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--border);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 28px;
  }
  .logo{
    font-family:var(--font-display);
    font-weight:700;
    font-size:1.25rem;
    letter-spacing:0.02em;
    display:flex; align-items:center; gap:10px;
  }
  .logo .dot{
    width:9px; height:9px; background:var(--cyan);
    box-shadow:0 0 8px var(--cyan);
    flex-shrink:0;
  }
  .logo .sub{ color:var(--amber); }
  nav.links{ display:flex; gap:32px; }
  nav.links a{
    font-size:0.92rem; color:var(--text-muted);
    transition:color .15s ease;
    border-bottom:2px solid transparent;
    padding-bottom:2px;
  }
  nav.links a:hover, nav.links a:focus-visible{ color:var(--text); border-color:var(--cyan); }
  .btn-sub{
    font-family:var(--font-mono);
    font-size:0.82rem;
    color:var(--bg);
    background:var(--cyan);
    padding:9px 16px;
    border:1px solid var(--cyan);
    cursor:pointer;
  }
  .btn-sub:hover{ background:transparent; color:var(--cyan); }
  .nav-toggle{ display:none; background:none; border:1px solid var(--border); color:var(--text); font-size:1.1rem; padding:6px 10px; cursor:pointer; }
/* ---------- Estilos de Artículos Técnicos ---------- */
.article-container {
  padding: 32px;
  max-width: 850px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 24px;
}

.article-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  margin: 12px 0;
  color: var(--cyan);
  line-height: 1.2;
}

.article-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.article-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.spec-box {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border);
  padding: 18px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-section-title {
  font-family: var(--font-display);
  color: var(--text);
  font-size: 1.35rem;
  margin-top: 32px;
  margin-bottom: 12px;
  border-left: 3px solid var(--cyan);
  padding-left: 10px;
}

.article-text {
  line-height: 1.7;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.article-table th {
  background: var(--bg-panel-alt);
  text-align: left;
  color: var(--cyan);
  padding: 12px;
  border: 1px solid var(--border);
}

.article-table td {
  padding: 12px;
  border: 1px solid var(--border);
  color: var(--text);
}

.article-list {
  margin-left: 20px;
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--text-muted);
}

.kbd-style {
  background: var(--bg-panel-alt);
  padding: 2px 7px;
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  border-radius: 3px;
}

.callout-warning {
  background: var(--amber-dim);
  border: 1px solid var(--amber);
  padding: 16px;
  margin: 20px 0;
  font-size: 0.9rem;
  color: var(--text);
}

.callout-warning strong {
  color: var(--amber);
}
footer{ border-top:1px solid var(--border); padding:36px 0; margin-top:20px; }
  .footer-grid{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
  .footer-grid .logo{ font-size:1rem; }
  footer .fmuted{ color:var(--text-muted); font-size:0.82rem; font-family:var(--font-mono); }
  .footer-links{ display:flex; gap:22px; }
  .footer-links a{ color:var(--text-muted); font-size:0.85rem; }
  .footer-links a:hover{ color:var(--text); }

  @media (max-width:860px){
    .hero-grid{ grid-template-columns:1fr; }
    .grid{ grid-template-columns:repeat(2, 1fr); }
    nav.links{ display:none; }
    .nav-toggle{ display:inline-block; }
    .log-row{ grid-template-columns:1fr; gap:6px; }
    .newsletter{ flex-direction:column; align-items:flex-start; }
  }
  @media (max-width:560px){
    .grid{ grid-template-columns:1fr; }
    .wrap{ padding:0 18px; }
    .newsletter-form input{ width:100%; }
    .newsletter-form{ width:100%; }
  }