/* ====================
   Base Styles
   ==================== */
:root {
  --color-primary: #156064;
  --color-secondary: #0D4D6D;
  --color-accent-primary: #FF7D00;
  --color-accent-secondary: #00A896;
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F5F8FA;
  --color-text-primary: #333333;
  --color-text-secondary: #667788;
  --color-border: #E0E6ED;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  
  --box-shadow-light: 0 2px 10px rgba(0, 0, 0, 0.05);
  --box-shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.08);
  --box-shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.15);
  
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Manrope', sans-serif;
  color: var(--color-text-primary);
  line-height: 1.6;
  background-color: var(--color-bg-primary);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-accent-primary);
}

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

ul, ol {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-md);
  margin-left: 0;
  margin-right: 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-lg) 0;
}

button, .button {
  display: inline-block;
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  text-align: center;
  text-decoration: none;
}

button:hover, .button:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
}

button.primary, .button.primary {
  background-color: var(--color-primary);
  color: white;
}

button.secondary, .button.secondary {
  background-color: var(--color-accent-primary);
  color: white;
}

button.hollow, .button.hollow {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

button.hollow:hover, .button.hollow:hover {
  background-color: var(--color-primary);
  color: white;
}

input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-family: 'Manrope', sans-serif;
  font-size: 1rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(21, 96, 100, 0.1);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

/* IntlTelInput specific styling */
.iti {
  width: 100%;
}

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

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

.site-logo {
  display: block;
}

.site-logo img {
  height: 50px;
  width: auto;
}

.menu.horizontal {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu.horizontal li {
  margin-left: var(--spacing-md);
}

.menu.horizontal a {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.menu.horizontal a:hover,
.menu.horizontal a.active {
  background-color: rgba(21, 96, 100, 0.1);
  color: var(--color-primary);
}

.menu-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.menu-icon span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.menu-icon.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.menu-icon.active span:nth-child(2) {
  opacity: 0;
}

.menu-icon.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  background-color: var(--color-bg-primary);
  padding: var(--spacing-md);
  box-shadow: var(--box-shadow-medium);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu .vertical.menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu .vertical.menu li {
  margin-bottom: var(--spacing-sm);
}

.mobile-menu .vertical.menu a {
  display: block;
  padding: var(--spacing-sm) 0;
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  transition: color var(--transition-fast);
}

.mobile-menu .vertical.menu a:hover,
.mobile-menu .vertical.menu a.active {
  color: var(--color-primary);
}

/* ====================
   Hero Section Styles
   ==================== */
.hero-section {
  position: relative;
  height: 600px;
  background-image: url('../images/hero-banner.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  display: flex;
  align-items: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 77, 109, 0.8) 0%, rgba(21, 96, 100, 0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* ====================
   Intro Section Styles
   ==================== */
.intro-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-secondary);
}

.section-title {
  position: relative;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.section-divider {
  width: 80px;
  height: 4px;
  background-color: var(--color-accent-primary);
  margin: 0 auto var(--spacing-lg);
}

.section-divider.centered {
  margin-left: auto;
  margin-right: auto;
}

.section-lead {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.stats-container {
  margin-top: var(--spacing-xl);
}

.stat-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--box-shadow-medium);
  height: 100%;
  transition: transform var(--transition-medium);
}

.stat-card:hover {
  transform: translateY(-10px);
}

.stat-icon {
  font-size: 2.5rem;
  color: var(--color-accent-primary);
  margin-bottom: var(--spacing-md);
}

.stat-card h3 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.stat-card p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

/* ====================
   Alternating Section Styles
   ==================== */
.alternating-section {
  padding: var(--spacing-xl) 0;
}

.section-wrapper {
  min-height: 500px;
  margin-bottom: var(--spacing-xl);
}

.section-wrapper:last-child {
  margin-bottom: 0;
}

.section-wrapper.reverse {
  flex-direction: row-reverse;
}

.section-image {
  height: 100%;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius-lg);
}

.section-content {
  padding: var(--spacing-xl);
}

.section-content h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin-top: var(--spacing-lg);
}

.feature-list li {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
}

.feature-list li i {
  color: var(--color-accent-primary);
  margin-right: var(--spacing-sm);
}

/* ====================
   Transition Section Styles
   ==================== */
.transition-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-secondary);
}

.transition-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.transition-image {
  width: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.transition-image img {
  width: 100%;
  display: block;
}

.transition-text h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.transition-phases {
  margin-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.phase {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--box-shadow-light);
}

.phase-icon {
  background-color: var(--color-primary);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.phase-content h4 {
  margin-bottom: var(--spacing-xs);
}

.phase-content p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

/* ====================
   Projects Section Styles
   ==================== */
.projects-section {
  padding: var(--spacing-xxl) 0;
}

.projects-grid {
  margin-top: var(--spacing-xl);
}

.project-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-medium);
  height: 100%;
  transition: transform var(--transition-medium);
}

.project-card:hover {
  transform: translateY(-10px);
}

.project-image {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.project-content {
  padding: var(--spacing-lg);
}

.project-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.project-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.feature-tag {
  background-color: rgba(21, 96, 100, 0.1);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
}

/* ====================
   Articles Section Styles
   ==================== */
.articles-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-bg-secondary);
}

.article-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  height: 100%;
  box-shadow: var(--box-shadow-light);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-medium);
}

.article-date {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.article-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.article-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.article-category {
  background-color: rgba(21, 96, 100, 0.1);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-weight: var(--font-weight-medium);
}

/* ====================
   Contact Form Styles
   ==================== */
.contact-section {
  padding: var(--spacing-xxl) 0;
}

.contact-form-container {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--box-shadow-medium);
}

.form-agreement {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.form-agreement input[type="checkbox"] {
  width: auto;
  margin-right: var(--spacing-sm);
  margin-top: 4px;
}

.form-agreement label {
  margin-bottom: 0;
  font-weight: var(--font-weight-regular);
}

/* ====================
   Footer Styles
   ==================== */
.site-footer {
  background-color: var(--color-secondary);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-brand {
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  height: 40px;
  margin-bottom: var(--spacing-md);
}

.footer-title {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-contact {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact p {
  margin-bottom: var(--spacing-sm);
}

.footer-contact i {
  margin-right: var(--spacing-sm);
  color: var(--color-accent-primary);
}

.footer-copyright {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-copyright p {
  margin-bottom: var(--spacing-xs);
}

/* ====================
   Cookie Consent Styles
   ==================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
  z-index: 9999;
  padding: var(--spacing-lg);
  display: none;
}

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

.cookie-content h3 {
  margin-bottom: var(--spacing-sm);
}

.cookie-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.cookie-settings-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}

.cookie-settings-modal.active {
  display: flex;
}

.cookie-settings-content {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.cookie-options {
  margin: var(--spacing-lg) 0;
}

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

.cookie-option:last-child {
  border-bottom: none;
}

.cookie-option label {
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.cookie-option p {
  margin-bottom: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.cookie-settings-buttons {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ====================
   Page Banner Styles
   ==================== */
.page-banner {
  position: relative;
  height: 300px;
  background-size: cover;
  background-position: center;
  color: white;
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 77, 109, 0.8) 0%, rgba(21, 96, 100, 0.8) 100%);
}

.page-banner h1 {
  position: relative;
  z-index: 2;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-description {
  position: relative;
  z-index: 2;
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ====================
   Main Content Styles (Procedimientos page)
   ==================== */
.main-content {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
}

.sidebar {
  margin-bottom: var(--spacing-xl);
}

.sidebar-section {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--box-shadow-light);
}

.sidebar-section h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin-bottom: var(--spacing-xs);
}

.sidebar-nav a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.sidebar-nav a:hover {
  color: var(--color-primary);
}

.sidebar-documents {
  margin-top: var(--spacing-md);
}

.document-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
}

.document-item i {
  color: var(--color-accent-primary);
  margin-right: var(--spacing-sm);
}

.content-wrapper {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--box-shadow-light);
}

.intro-block {
  margin-bottom: var(--spacing-xl);
}

.lead-paragraph {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.key-facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.fact-item {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
}

.fact-icon {
  background-color: var(--color-primary);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.fact-content h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.fact-content p {
  margin-bottom: 0;
  font-size: 0.875rem;
}

.content-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.content-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.image-text-block {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.block-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.block-image img {
  display: block;
  width: 100%;
}

.info-box {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.info-box h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.technique-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.technique-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  text-align: center;
}

.technique-icon {
  color: var(--color-accent-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.technique-card h4 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.process-steps {
  margin: var(--spacing-lg) 0;
}

.step {
  display: flex;
  margin-bottom: var(--spacing-md);
}

.step-number {
  background-color: var(--color-primary);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.step-content h4 {
  margin-bottom: var(--spacing-xs);
}

.step-content p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.info-callout {
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.info-callout h3, .info-callout h4 {
  color: white;
}

.info-callout.dark {
  background-color: var(--color-secondary);
}

.technology-comparison {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.tech-column {
  flex: 1;
  min-width: 250px;
}

.tech-column h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.production-methods {
  margin: var(--spacing-lg) 0;
}

.method-item {
  margin-bottom: var(--spacing-lg);
}

.method-item h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.stat-block {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.transport-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.transport-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
}

.transport-icon {
  color: var(--color-accent-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.transport-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.refining-process {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.process-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.process-step {
  margin-bottom: var(--spacing-md);
}

.process-step h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.refinery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.refinery-card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
}

.refinery-card h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.refinery-capacity {
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-primary);
  margin-top: var(--spacing-sm);
}

.distribution-channels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.channel-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  height: 100%;
}

.channel-icon {
  color: var(--color-accent-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.channel-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.two-column-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.info-column {
  flex: 1;
  min-width: 250px;
}

.info-column h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.clean-tech-intro {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.tech-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.tech-image img {
  display: block;
  width: 100%;
}

.tech-solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.tech-solution-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  height: 100%;
}

.solution-icon {
  color: var(--color-accent-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.tech-solution-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.conclusion-block {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* ====================
   Timeline Styles (Historia page)
   ==================== */
.timeline-hero {
  position: relative;
  height: 400px;
  background-image: url('../images/petroleo-historia.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  display: flex;
  align-items: center;
}

.timeline-hero .hero-overlay {
  background: linear-gradient(135deg, rgba(13, 77, 109, 0.85) 0%, rgba(21, 96, 100, 0.85) 100%);
}

.history-intro {
  padding: var(--spacing-xl) 0;
}

.intro-text {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.intro-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat-item {
  flex: 1;
  min-width: 200px;
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--box-shadow-light);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--color-text-secondary);
}

.timeline-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-secondary);
}

.timeline {
  position: relative;
  margin-top: var(--spacing-xl);
}

.timeline-era {
  margin-bottom: var(--spacing-xxl);
}

.timeline-era:last-child {
  margin-bottom: 0;
}

.era-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.era-header h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.era-header p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

.timeline-items {
  position: relative;
}

.timeline-items::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background-color: var(--color-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
  width: 100%;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-weight: var(--font-weight-bold);
  z-index: 2;
}

.timeline-content {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow-light);
  width: calc(50% - 30px);
  margin-left: auto;
  margin-top: 30px;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: auto;
}

.timeline-content h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.timeline-image {
  margin-top: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.timeline-image img {
  display: block;
  width: 100%;
}

.timeline-quote {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-sm);
  border-left: 4px solid var(--color-primary);
}

.timeline-quote blockquote {
  margin: 0;
  padding: 0;
  border: none;
  font-style: italic;
}

.timeline-quote cite {
  display: block;
  margin-top: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.timeline-item.highlighted .timeline-marker {
  background-color: var(--color-primary);
}

.timeline-item.highlighted .timeline-content {
  border: 2px solid var(--color-primary);
}

.key-figures-section {
  padding: var(--spacing-xl) 0;
}

.key-figures-grid {
  margin-top: var(--spacing-xl);
}

.figure-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-light);
  height: 100%;
}

.figure-image {
  height: 200px;
  background-color: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--color-text-secondary);
}

.image-placeholder i {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.figure-content {
  padding: var(--spacing-lg);
}

.figure-content h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.figure-role {
  color: var(--color-accent-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

.interactive-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-secondary);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.impact-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow-light);
  height: 100%;
}

.impact-icon {
  color: var(--color-accent-primary);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.impact-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.production-chart {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--box-shadow-light);
}

.production-chart h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.chart-container {
  height: 300px;
  margin-bottom: var(--spacing-md);
}

.chart-placeholder {
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
  border-left: 2px solid var(--color-border);
}

.chart-bar {
  width: 30px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  position: relative;
}

.bar-label {
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.chart-legend {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.legend-item {
  display: flex;
  align-items: center;
}

.legend-color {
  width: 20px;
  height: 20px;
  background-color: var(--color-primary);
  margin-right: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

.chart-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
}

.legacy-section {
  padding: var(--spacing-xl) 0;
}

.legacy-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.legacy-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.legacy-image img {
  display: block;
  width: 100%;
}

.legacy-text h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.legacy-list {
  margin-bottom: var(--spacing-md);
}

.quote-block {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-left: 4px solid var(--color-primary);
}

.quote-block blockquote {
  margin: 0;
  padding: 0;
  border: none;
}

.future-scenarios {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.scenario-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  height: 100%;
}

.scenario-card h4 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.conclusion-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-secondary);
}

.conclusion-content {
  margin-top: var(--spacing-lg);
}

.cta-block {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--box-shadow-light);
}

.cta-block .button {
  margin-top: var(--spacing-md);
}

/* ====================
   Contact Page Styles
   ==================== */
.contact-hero {
  position: relative;
  height: 300px;
  background-image: url('../images/campos-petroleo.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  display: flex;
  align-items: center;
}

.contact-hero .hero-overlay {
  background: linear-gradient(135deg, rgba(13, 77, 109, 0.85) 0%, rgba(21, 96, 100, 0.85) 100%);
}

.contact-info-section {
  padding: var(--spacing-xl) 0;
}

.contact-cards {
  margin-top: var(--spacing-xl);
}

.contact-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--box-shadow-light);
  height: 100%;
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.contact-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.contact-card p {
  margin-bottom: var(--spacing-sm);
}

.contact-card .note {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.map-section {
  padding-bottom: var(--spacing-xl);
}

.map-container {
  height: 400px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-secondary);
}

.map-placeholder i {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.contact-form-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-secondary);
}

.faq-section {
  padding: var(--spacing-xl) 0;
}

.accordion-container {
  margin-top: var(--spacing-xl);
}

.accordion-item {
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--box-shadow-light);
}

.accordion-header {
  background-color: white;
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion-header h3 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

.accordion-icon {
  color: var(--color-primary);
  transition: transform var(--transition-medium);
}

.accordion-header.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  background-color: white;
  padding: 0 var(--spacing-md) var(--spacing-md);
  display: none;
  border-top: 1px solid var(--color-border);
}

.accordion-content.active {
  display: block;
}

/* ====================
   Legal Pages Styles
   ==================== */
.legal-title-section {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  background-color: var(--color-bg-secondary);
}

.update-date {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.legal-content-section {
  padding: var(--spacing-lg) 0 var(--spacing-xxl);
}

.legal-content {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--box-shadow-light);
}

.introduction {
  margin-bottom: var(--spacing-xl);
}

.legal-section {
  margin-bottom: var(--spacing-xl);
}

.legal-section:last-child {
  margin-bottom: 0;
}

.legal-section h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.contact-details {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.cookies-table {
  margin-top: var(--spacing-lg);
}

.cookie-category {
  margin-bottom: var(--spacing-xl);
}

.cookie-category h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.cookie-examples {
  margin-top: var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.cookie-example {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
}

.cookie-example h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.cookie-duration {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.cookie-settings-button {
  margin-top: var(--spacing-lg);
  text-align: center;
}

/* ====================
   Thanks Page Styles
   ==================== */
.thanks-section {
  padding: var(--spacing-xxl) 0;
}

.thanks-container {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--box-shadow-medium);
  text-align: center;
}

.thanks-icon {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: var(--spacing-md);
}

.thanks-message {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.info-block {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.info-block h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.next-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.next-steps li {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
}

.next-steps li i {
  color: var(--color-primary);
  margin-right: var(--spacing-sm);
  width: 20px;
  text-align: center;
}

.action-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.related-info-section {
  padding: var(--spacing-xl) 0 var(--spacing-xxl);
  background-color: var(--color-bg-secondary);
}

.related-links {
  margin-top: var(--spacing-xl);
}

.related-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--box-shadow-light);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.related-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.related-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.related-card p {
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.related-link {
  display: inline-block;
  font-weight: var(--font-weight-medium);
  color: var(--color-accent-primary);
}

.related-link:hover {
  color: var(--color-primary);
}

/* ====================
   Media Queries
   ==================== */
@media (min-width: 640px) {
  .image-text-block {
    flex-direction: row;
  }
  
  .block-image {
    width: 40%;
    flex-shrink: 0;
  }
  
  .refining-process {
    flex-direction: row;
  }
  
  .process-image {
    width: 40%;
    flex-shrink: 0;
  }
  
  .clean-tech-intro {
    flex-direction: row;
    align-items: center;
  }
  
  .tech-image {
    width: 40%;
    flex-shrink: 0;
  }
  
  .legacy-content {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .legacy-image {
    width: 40%;
    flex-shrink: 0;
  }
}

@media (max-width: 639px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .timeline-items::before {
    left: 20px;
  }
  
  .timeline-marker {
    left: 20px;
    transform: translateX(-50%);
  }
  
  .timeline-content {
    width: calc(100% - 40px);
    margin-left: 40px;
  }
  
  .timeline-item:nth-child(odd) .timeline-content {
    margin-left: 40px;
    margin-right: 0;
  }
  
  .action-buttons {
    flex-direction: column;
  }
}

@media (max-width: 1023px) {
  .section-image {
    min-height: 300px;
  }
}