/* ==========================================================================
   Hogar Eficiente Pro — Main Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,600;0,700;1,400&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #0e7a6b;
  --color-primary-dark: #065f53;
  --color-primary-light: #eef7f5;
  --color-accent: #d97706;
  --color-accent-dark: #b45309;

  /* Neutrales cálidos — sin tinte verde */
  --color-bg: #ffffff;
  --color-bg-alt: #f7f6f3;
  --color-white: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #4a4a4a;
  --color-text-muted: #767676;
  --color-border: #e0ddd8;
  --color-border-light: #eceae6;

  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --max-width: 1200px;
  --content-width: 740px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.10);
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.72;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--color-primary-dark); }
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

ul, ol { padding-left: var(--space-lg); }

/* ---------- Tipografía ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(1.85rem, 4vw, 2.6rem); letter-spacing: -0.02em; }
h2 {
  font-size: clamp(1.3rem, 2.8vw, 1.8rem);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
}
h3 {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}
h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-xs);
}
p { margin-bottom: var(--space-md); }
strong { font-weight: 600; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.content-width {
  max-width: var(--content-width);
  margin: 0 auto;
}
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Header ---------- */
.site-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.site-logo:hover { color: var(--color-primary); }
.logo-icon { width: 30px; height: 30px; flex-shrink: 0; color: var(--color-primary); }
.logo-icon svg { width: 100%; height: 100%; }

/* Nav desktop */
.main-nav { display: none; }
.main-nav ul { display: flex; list-style: none; padding: 0; gap: 0; }
.main-nav a {
  display: block;
  padding: 0.35rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.15s;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px; /* align with header border */
}
.main-nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom-color: var(--color-primary);
}

/* Mobile toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text);
}
.menu-toggle:hover { background: var(--color-bg-alt); }
.menu-toggle svg { width: 18px; height: 18px; }

/* Mobile nav */
.mobile-nav {
  display: none;
  background: var(--color-white);
  border-top: 1px solid var(--color-border-light);
  padding: var(--space-sm) var(--space-lg) var(--space-md);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; padding: 0; }
.mobile-nav a {
  display: block;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border-light);
}
.mobile-nav a:hover { color: var(--color-primary); }
.mobile-nav li:last-child a { border-bottom: none; }

@media (min-width: 768px) {
  .main-nav { display: block; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
@media (min-width: 768px) {
  .hero { grid-template-columns: 1fr 1fr; }
}
.hero-content { text-align: left; }
.hero h1 { margin-bottom: var(--space-lg); line-height: 1.2; }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: var(--color-text-light);
  max-width: 560px;
  margin-bottom: var(--space-xl);
  line-height: 1.65;
  font-family: var(--font-sans);
}
.hero-cta { display: inline-flex; gap: var(--space-md); flex-wrap: wrap; }
.hero-image { width: 100%; border-radius: var(--radius-md); overflow: hidden; }
.hero-image img {
  width: 100%; height: auto; display: block;
  aspect-ratio: 4/3; object-fit: cover;
  border-radius: var(--radius-md);
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
  text-decoration: none;
  line-height: 1.4;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-category {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.card-icon { width: 36px; height: 36px; color: var(--color-primary); margin-bottom: var(--space-md); }
.card-icon svg { width: 100%; height: 100%; }
.card h3 { font-family: var(--font-serif); margin-top: 0; margin-bottom: var(--space-sm); font-size: 1.1rem; }
.card p { font-size: 0.925rem; color: var(--color-text-light); margin-bottom: var(--space-md); line-height: 1.6; }
.card-link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-primary);
}
.card-link::after { content: '→'; transition: transform 0.2s; display: inline-block; }
.card-link:hover::after { transform: translateX(3px); }

/* ---------- Secciones ---------- */
.section { padding: var(--space-3xl) var(--space-lg); }
.section-alt { background: var(--color-bg-alt); }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-2xl);
}
.section-header h2 { margin-top: 0; }
.section-header p { color: var(--color-text-light); font-size: 1rem; font-family: var(--font-sans); }

/* Sección con acento izquierdo */
.section-header-left {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-lg);
}
.section-header-left h2 {
  margin-top: 0;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-primary);
}

/* ---------- Features row ---------- */
.features-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  text-align: center;
}
@media (min-width: 640px) { .features-row { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 768px) { .features-row { grid-template-columns: repeat(4,1fr); } }
.feature-item { padding: var(--space-md); }
.feature-number { width: 34px; height: 34px; color: var(--color-primary); margin: 0 auto var(--space-sm); }
.feature-number svg { width: 100%; height: 100%; }
.feature-label { font-size: 0.875rem; color: var(--color-text-light); font-family: var(--font-sans); }

/* ---------- Artículo — cabecera ---------- */
.article-header {
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
}
.article-header .content-width { text-align: left; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
  font-size: 0.775rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.breadcrumb li::after {
  content: '›';
  color: var(--color-border);
  font-size: 0.9rem;
  line-height: 1;
}
.breadcrumb li:last-child::after { display: none; }
.breadcrumb li:last-child { color: var(--color-text); font-weight: 500; }
.breadcrumb a { color: var(--color-text-muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--color-primary); }

/* Meta */
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  font-family: var(--font-sans);
}
.article-meta span + span::before {
  content: '·';
  margin: 0 0.5rem;
  color: var(--color-border);
}

/* ---------- Artículo — contenido ---------- */
.article-content {
  padding: var(--space-xl) var(--space-lg) var(--space-3xl);
  background: var(--color-white);
}

/* Primer párrafo del artículo, ligeramente destacado */
.article-content .content-width > p:first-of-type {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.75;
}

.article-content h2 {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}
.article-content h2:first-child { border-top: none; padding-top: 0; }
.article-content ul, .article-content ol { margin-bottom: var(--space-md); }
.article-content li { margin-bottom: var(--space-xs); }
.article-content li::marker { color: var(--color-primary); }

/* Blockquote editorial */
.article-content blockquote {
  border-left: 3px solid var(--color-primary);
  margin: var(--space-xl) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-alt);
  font-style: italic;
  color: var(--color-text-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------- Imágenes de artículo ---------- */
.article-featured-img {
  width: 100%;
  margin-bottom: var(--space-2xl);
  overflow: hidden;
}
.article-featured-img img {
  width: 100%; height: auto; display: block;
  aspect-ratio: 21/9; object-fit: cover;
}
.article-content .content-img {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-content .content-img img {
  width: 100%; height: auto; display: block;
  aspect-ratio: 16/9; object-fit: cover;
  border-radius: var(--radius-sm);
}
.article-content .content-img figcaption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding: var(--space-sm) 0;
  text-align: center;
  font-style: italic;
  font-family: var(--font-sans);
}
.article-content .img-split {
  display: grid; grid-template-columns: 1fr;
  gap: var(--space-md); margin: var(--space-xl) 0;
}
@media (min-width: 640px) {
  .article-content .img-split { grid-template-columns: 1fr 1fr; }
}
.img-split img {
  width: 100%; height: auto;
  border-radius: var(--radius-sm);
  aspect-ratio: 4/3; object-fit: cover;
}

/* ---------- Tablas ---------- */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  font-family: var(--font-sans);
}
.table-wrapper table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table-wrapper th {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  text-align: left;
  padding: 0.65rem 1rem;
  white-space: nowrap;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.table-wrapper td { padding: 0.65rem 1rem; border-bottom: 1px solid var(--color-border-light); }
.table-wrapper tr:last-child td { border-bottom: none; }
.table-wrapper tr:nth-child(even) { background: var(--color-bg-alt); }

/* ---------- Info box ---------- */
.info-box {
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}
.info-box p:last-child { margin-bottom: 0; }

.warning-box {
  background: #fef9ec;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  font-family: var(--font-sans);
}
.warning-box p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq-section { margin-top: var(--space-2xl); }
.faq-item { border-bottom: 1px solid var(--color-border-light); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  line-height: 1.45;
  transition: color 0.15s;
}
.faq-question:hover { color: var(--color-primary); }
.faq-icon { flex-shrink: 0; width: 20px; height: 20px; transition: transform 0.25s; color: var(--color-primary); }
.faq-item.is-open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner {
  padding-bottom: var(--space-lg);
  color: var(--color-text-light);
  font-size: 0.925rem;
  font-family: var(--font-sans);
  line-height: 1.7;
}

/* ---------- CTA box ---------- */
.cta-box {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  text-align: center;
  margin: var(--space-2xl) 0;
}
.cta-box h2, .cta-box h3 {
  color: white;
  margin-top: 0;
  border-top: none !important;
  padding-top: 0 !important;
}
.cta-box p { opacity: 0.92; max-width: 580px; margin: 0 auto var(--space-lg); font-family: var(--font-sans); }
.cta-box .btn {
  background: white;
  color: var(--color-primary);
  border-color: white;
  font-weight: 700;
}
.cta-box .btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* ---------- AdSense ---------- */
.ad-slot {
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: var(--space-xl) 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.6);
  padding: var(--space-3xl) var(--space-lg) var(--space-xl);
  font-family: var(--font-sans);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

.footer-brand { font-size: 0.9rem; line-height: 1.65; }
.footer-brand .site-logo {
  color: white;
  margin-bottom: var(--space-md);
  font-size: 1rem;
}
.footer-brand .logo-icon { color: white; }
.footer-col h4 {
  color: white;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  margin-top: 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a { color: rgba(255,255,255,0.55); font-size: 0.875rem; transition: color 0.15s; }
.footer-col a:hover { color: white; }
.footer-bottom {
  max-width: var(--max-width);
  margin: var(--space-2xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.775rem;
  color: rgba(255,255,255,0.3);
}

/* ---------- Formulario ---------- */
.form-group { margin-bottom: var(--space-lg); }
.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.875rem;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--color-text);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14,122,107,0.1);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-error { color: #dc2626; font-size: 0.82rem; margin-top: var(--space-xs); display: none; }
.form-group.has-error input,
.form-group.has-error textarea { border-color: #dc2626; }
.form-group.has-error .form-error { display: block; }
.form-alert { padding: var(--space-md) var(--space-lg); border-radius: var(--radius-sm); margin-bottom: var(--space-lg); font-size: 0.9rem; display: none; font-family: var(--font-sans); }
.form-alert.is-visible { display: block; }
.form-alert-success { background: var(--color-primary-light); color: var(--color-primary-dark); border: 1px solid var(--color-primary); }
.form-alert-error { background: #fef2f2; color: #dc2626; border: 1px solid #fca5a5; }

/* ---------- Checklist ---------- */
.checklist { list-style: none; padding: 0; }
.checklist li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
  font-family: var(--font-sans);
}
.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- Hub links ---------- */
.hub-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
@media (min-width: 640px) { .hub-links { grid-template-columns: repeat(2,1fr); } }

.hub-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: var(--color-text);
}
.hub-link:hover {
  background: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
}
.hub-link-arrow { color: var(--color-primary); font-size: 1.1rem; flex-shrink: 0; transition: transform 0.15s; }
.hub-link:hover .hub-link-arrow { transform: translateX(3px); }
.hub-link h3 {
  font-family: var(--font-sans);
  margin: 0 0 0.15rem;
  font-size: 0.925rem;
  font-weight: 600;
}
.hub-link p { margin: 0; font-size: 0.8rem; color: var(--color-text-light); line-height: 1.4; font-family: var(--font-sans); }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: #111;
  color: rgba(255,255,255,0.88);
  padding: var(--space-lg);
  z-index: 200;
  display: none;
  border-top: 2px solid var(--color-primary);
  font-family: var(--font-sans);
}
.cookie-banner.is-visible { display: block; }
.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: flex-start;
}
@media (min-width: 768px) { .cookie-inner { flex-direction: row; align-items: center; } }
.cookie-inner p { margin: 0; font-size: 0.85rem; flex: 1; }
.cookie-inner a { color: var(--color-accent); text-decoration: underline; }
.cookie-buttons { display: flex; gap: var(--space-sm); flex-shrink: 0; }
.cookie-btn {
  padding: 0.45rem 1.125rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  font-family: var(--font-sans);
}
.cookie-btn-accept { background: var(--color-primary); color: white; }
.cookie-btn-accept:hover { background: var(--color-primary-dark); }
.cookie-btn-reject { background: rgba(255,255,255,0.12); color: white; }
.cookie-btn-reject:hover { background: rgba(255,255,255,0.2); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  z-index: 300;
}
.skip-link:focus { top: var(--space-md); color: white; }

/* ---------- Artículos relacionados ---------- */
.related-articles {
  margin-top: 3rem;
  margin-bottom: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border-light);
}
.related-articles h2 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  border-top: none !important;
  padding-top: 0 !important;
  margin-top: 0;
}
@media (min-width: 768px) {
  .related-articles { margin-top: 4rem; margin-bottom: 5rem; padding-top: 3rem; }
}

/* ---------- Plantilla legacy: precio-placas-solares ---------- */

/* Breadcrumb cuando está en <nav class="breadcrumb"> con <ol> dentro (plantilla legacy) */
nav.breadcrumb {
  background: var(--color-white);
  padding: var(--space-lg) var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border-light);
}
nav.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  font-size: 0.775rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  letter-spacing: 0.01em;
}
nav.breadcrumb ol li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
nav.breadcrumb ol li::after {
  content: '›';
  color: var(--color-border);
  font-size: 0.9rem;
  line-height: 1;
}
nav.breadcrumb ol li:last-child::after { display: none; }
nav.breadcrumb ol li:last-child { color: var(--color-text); font-weight: 500; }
nav.breadcrumb a { color: var(--color-text-muted); transition: color 0.15s; }
nav.breadcrumb a:hover { color: var(--color-primary); }

/* Layout article-layout */
.article-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.article-layout > header.article-header {
  max-width: var(--content-width);
  margin: var(--space-xl) auto var(--space-xl);
  padding: 0;
  border-bottom: none;
  background: transparent;
}
.article-layout .article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-family: var(--font-sans);
}
.article-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}
.article-lead {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-top: var(--space-md);
  margin-bottom: var(--space-xl);
  font-family: var(--font-sans);
}
.article-layout > header.article-header img {
  width: 100%;
  height: auto;
  aspect-ratio: 21/9;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-top: var(--space-lg);
}

/* Cuerpo del artículo */
.article-body {
  max-width: var(--content-width);
  margin: var(--space-xl) auto var(--space-3xl);
  font-family: var(--font-sans);
}
.article-body h2 {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}
.article-body h2:first-child { border-top: none; padding-top: 0; }
.article-body h3 { font-family: var(--font-sans); font-size: 1.1rem; font-weight: 600; }
.article-body ul, .article-body ol { margin-bottom: var(--space-md); }
.article-body li { margin-bottom: var(--space-xs); }
.article-body li::marker { color: var(--color-primary); }
.article-body p { margin-bottom: var(--space-md); }

/* Tabla legacy */
.responsive-table {
  overflow-x: auto;
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  font-family: var(--font-sans);
}
.responsive-table table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.responsive-table th {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  text-align: left;
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.responsive-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
}
.responsive-table tr:last-child td { border-bottom: none; }
.responsive-table tr:nth-child(even) { background: var(--color-bg-alt); }

/* FAQ con <dl> */
.faq-list { margin: 0; }
.faq-list .faq-item {
  border-bottom: 1px solid var(--color-border-light);
}
.faq-list dt button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  line-height: 1.45;
  transition: color 0.15s;
}
.faq-list dt button:hover { color: var(--color-primary); }
.faq-list dd {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-list dd.is-open { max-height: 500px; }
.faq-list dd p {
  padding-bottom: var(--space-lg);
  color: var(--color-text-light);
  font-size: 0.925rem;
  line-height: 1.7;
  font-family: var(--font-sans);
}

/* CTA section legacy */
.cta-section {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  text-align: center;
  margin: var(--space-2xl) 0;
}
.cta-section h2 {
  color: white;
  margin-top: 0;
  border-top: none !important;
  padding-top: 0 !important;
}
.cta-section p { opacity: 0.92; max-width: 580px; margin: 0 auto var(--space-lg); font-family: var(--font-sans); }

/* Botón BEM legacy */
.btn--primary {
  background: white;
  color: var(--color-primary);
  border: 2px solid white;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.18s;
  text-decoration: none;
}
.btn--primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* Footer legacy */
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xl);
  align-items: flex-start;
}
.footer-nav ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-md); }
.footer-nav a { color: rgba(255,255,255,0.55); font-size: 0.875rem; transition: color 0.15s; }
.footer-nav a:hover { color: white; }
.footer-copy {
  max-width: var(--max-width);
  margin: var(--space-xl) auto 0;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.775rem;
  color: rgba(255,255,255,0.3);
}

/* ---------- Impresión ---------- */
@media print {
  .site-header, .site-footer, .cookie-banner, .ad-slot, .cta-box { display: none; }
  body { font-size: 12pt; color: #000; background: #fff; }
}