/* Historia de la Refacción - Main Stylesheet
   Mobile-first, semantic, high-performance CSS
   Target: PageSpeed 90+, W3C valid, AR GEO */

:root {
  --color-primary: #1a3a2a;
  --color-primary-light: #2d5a45;
  --color-accent: #8b6914;
  --color-accent-light: #c9a227;
  --color-bg: #f8f5f0;
  --color-bg-alt: #efeae2;
  --color-text: #1f1f1f;
  --color-text-muted: #5a5a5a;
  --color-border: #d4cbb8;
  --color-white: #ffffff;
  --color-error: #8b2e2e;
  --color-success: #2d5a45;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(26, 58, 42, 0.08);
  --shadow-lg: 0 8px 30px rgba(26, 58, 42, 0.12);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover, a:focus {
  color: var(--color-accent);
  text-decoration: underline;
}

/* ========== HEADER ========== */
.site-header {
  background: var(--color-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.header-top {
  background: var(--color-primary-light);
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.header-top a {
  color: #e8e0d0;
}

.header-top a:hover {
  color: var(--color-accent-light);
}

.ticker {
  overflow: hidden;
  white-space: nowrap;
  flex: 1;
  min-width: 200px;
}

.ticker-content {
  display: inline-block;
  animation: ticker 28s linear infinite;
}

@keyframes ticker {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

.header-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.logo:hover {
  color: var(--color-accent-light);
  text-decoration: none;
}

.logo span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  font-family: var(--font-sans);
  opacity: 0.85;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.1rem;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.main-nav a {
  color: #e8e0d0;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.3rem 0;
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent-light);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent-light);
}

.search-form {
  display: flex;
  gap: 0.35rem;
}

.search-form input {
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 0.85rem;
  width: 160px;
}

.search-form input::placeholder {
  color: rgba(255,255,255,0.6);
}

.search-form button {
  background: var(--color-accent);
  border: none;
  color: white;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
}

.search-form button:hover {
  background: var(--color-accent-light);
}

/* ========== MAIN CONTENT ========== */
main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0f2a1c 100%);
  color: white;
  padding: 3rem 1rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(255,255,255,0.02) 20px,
    rgba(255,255,255,0.02) 40px
  );
  pointer-events: none;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.25;
  margin-bottom: 1rem;
  max-width: 800px;
}

.hero .lead {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 640px;
  margin-bottom: 1.5rem;
}

.hero-meta {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  color: white;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.7);
  color: white;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  color: white;
  text-decoration: none;
}

/* Categories Grid */
.section-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.category-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.category-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.category-card a {
  font-weight: 600;
  font-size: 0.9rem;
}

/* Article Cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.article-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.article-card .card-img {
  height: 160px;
  background: linear-gradient(135deg, #3d5a4c, #1a3a2a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.article-card .card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card .card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.article-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  color: var(--color-primary);
}

.article-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  flex: 1;
}

.article-card .read-more {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

/* Widgets */
.widget-section {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin: 2.5rem 0;
}

.widget-section h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 1rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.65rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg-alt);
}

.timeline-item .year {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.timeline-item p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* Calculator Widget */
.calc-widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 480px;
}

.calc-widget label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.calc-widget select,
.calc-widget input {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  background: var(--color-bg);
}

.calc-result {
  background: var(--color-primary);
  color: white;
  padding: 1rem;
  border-radius: var(--radius);
  margin-top: 0.5rem;
  font-size: 0.95rem;
  display: none;
}

.calc-result.visible {
  display: block;
}

/* Newsletter */
.newsletter-box {
  background: var(--color-primary);
  color: white;
  padding: 2rem;
  border-radius: var(--radius);
  margin: 2.5rem 0;
}

.newsletter-box h2 {
  font-family: var(--font-serif);
  margin-bottom: 0.75rem;
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
  align-items: flex-start;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  padding: 0.7rem 1rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
}

.newsletter-form .consent {
  width: 100%;
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.newsletter-form .consent input {
  margin-top: 0.25rem;
}

.newsletter-form .consent a {
  color: var(--color-accent-light);
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-white);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 42, 0.15);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 1.25rem 0;
  font-size: 0.9rem;
}

.form-consent input {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.form-consent a {
  text-decoration: underline;
}

.form-error {
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: 0.35rem;
  display: none;
}

.form-success {
  background: #e8f5e9;
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: 1rem;
  border-radius: var(--radius);
  margin-top: 1rem;
  display: none;
}

/* Contact Info */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 2rem 0;
}

.contact-info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.contact-info-card h3 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.contact-info-card p {
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
}

.contact-info-card strong {
  color: var(--color-primary);
}

.map-container {
  margin: 2rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 350px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Legal Pages */
.legal-content {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 1.5rem 0;
}

.legal-content h1 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.legal-content .last-updated {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.legal-content h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1.25rem;
  margin: 1.75rem 0 0.75rem;
}

.legal-content h3 {
  font-size: 1.05rem;
  color: var(--color-primary-light);
  margin: 1.25rem 0 0.5rem;
}

.legal-content p, .legal-content li {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.legal-content ul, .legal-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Page Header */
.page-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 1rem;
}

.page-header h1 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-header .breadcrumb {
  max-width: var(--max-width);
  margin: 0.5rem auto 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.page-header .breadcrumb a {
  color: var(--color-text-muted);
}

/* Content Prose */
.prose {
  max-width: 720px;
}

.prose h2 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-size: 1.4rem;
  margin: 2rem 0 0.75rem;
}

.prose h3 {
  font-size: 1.15rem;
  color: var(--color-primary-light);
  margin: 1.5rem 0 0.6rem;
}

.prose p {
  margin-bottom: 1rem;
}

.prose ul, .prose ol {
  margin: 0 0 1rem 1.5rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #d4cbb8;
  padding: 2.5rem 1rem 1.5rem;
  margin-top: auto;
  font-size: 0.9rem;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-serif);
  margin-bottom: 0.85rem;
  font-size: 1.05rem;
}

.footer-col p, .footer-col li {
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

.footer-col a {
  color: #d4cbb8;
}

.footer-col a:hover {
  color: var(--color-accent-light);
}

.footer-col ul {
  list-style: none;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: #d4cbb8;
  margin: 0 0.5rem;
}

.footer-legal {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  opacity: 0.9;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: white;
  padding: 1.25rem 1rem;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
  display: none;
}

.cookie-banner.visible {
  display: block;
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
}

.cookie-banner p {
  flex: 1;
  min-width: 260px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.cookie-banner a {
  color: var(--color-accent-light);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.cookie-actions button {
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-accept {
  background: var(--color-accent);
  color: white;
}

.btn-accept:hover {
  background: var(--color-accent-light);
}

.btn-reject {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  color: white;
}

.btn-reject:hover {
  background: rgba(255,255,255,0.1);
}

.btn-customize {
  background: rgba(255,255,255,0.15);
  color: white;
}

.btn-customize:hover {
  background: rgba(255,255,255,0.25);
}

/* Cookie Modal */
.cookie-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.cookie-modal.visible {
  display: flex;
}

.cookie-modal-content {
  background: white;
  border-radius: var(--radius);
  padding: 1.75rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.cookie-modal-content h3 {
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.cookie-option {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.cookie-option label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-weight: 600;
  cursor: pointer;
}

.cookie-option p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0.4rem 0 0 1.6rem;
}

.cookie-modal-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem 0;
  }

  .search-form {
    width: 100%;
  }

  .search-form input {
    flex: 1;
    width: auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .header-top {
    flex-direction: column;
    text-align: center;
  }

  .ticker {
    order: -1;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2rem 1rem;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-actions button {
    flex: 1;
    text-align: center;
  }
}

/* Print */
@media print {
  .site-header, .site-footer, .cookie-banner, .nav-toggle {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
}