:root {
  /* Main Colors - Split-complementary scheme */
  --primary: #0072CE;        /* YPF Blue */
  --primary-dark: #005ca5;   /* Darker Blue */
  --primary-light: #2b90e0;  /* Lighter Blue */
  --secondary: #FF5A00;      /* YPF Orange */
  --secondary-dark: #cc4800; /* Darker Orange */
  --secondary-light: #ff7c33;/* Lighter Orange */
  --accent: #00CE72;         /* Complementary Green */
  --accent-dark: #009955;    /* Darker Green */
  --accent-light: #33e698;   /* Lighter Green */
  
  /* Neutral Colors */
  --dark: #222222;
  --dark-medium: #333333;
  --medium: #666666;
  --light-medium: #999999;
  --light: #f5f5f5;
  --white: #ffffff;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans Pro', sans-serif;
  color: var(--dark-medium);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
}

p {
  margin-bottom: 1rem;
}

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

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

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

.section-title {
  position: relative;
  font-size: var(--text-4xl);
  margin-bottom: 0.5rem;
  text-align: center;
  color: var(--dark);
}

.section-subtitle {
  font-size: var(--text-xl);
  text-align: center;
  color: var(--medium);
  margin-bottom: 2.5rem;
}

/* Global Button Styles */
.btn, 
button, 
input[type="submit"] {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  padding: 0.75rem 1.5rem;
  font-size: var(--text-base);
  line-height: 1.5;
  border-radius: var(--radius-pill);
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.btn::after {
  content: '';
  position: absolute;
  width: 0;
  height: 100%;
  top: 0;
  left: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: width var(--transition-medium);
  z-index: -1;
  border-radius: var(--radius-pill);
}

.btn:hover::after {
  width: 100%;
}

.btn-primary {
  background-color: var(--primary);
  border: 2px solid var(--primary);
  color: var(--white);
}

.btn-primary:hover, 
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover, 
.btn-outline-primary:focus {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary);
  border: 2px solid var(--secondary);
  color: var(--white);
}

.btn-secondary:hover, 
.btn-secondary:focus {
  background-color: var(--secondary-dark);
  border-color: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-secondary {
  background-color: transparent;
  border: 2px solid var(--secondary);
  color: var(--secondary);
}

.btn-outline-secondary:hover, 
.btn-outline-secondary:focus {
  background-color: var(--secondary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-light {
  background-color: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

.btn-outline-light:hover, 
.btn-outline-light:focus {
  background-color: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-lg);
}

/* Card Styles */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card h3 {
  font-size: var(--text-2xl);
  margin-bottom: 1rem;
  color: var(--dark);
}

.card p {
  color: var(--medium);
  margin-bottom: 1.5rem;
}

.card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Read More Links */
.read-more {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  transition: color var(--transition-medium);
}

.read-more::after {
  content: '→';
  margin-left: 0.5rem;
  transition: transform var(--transition-medium);
}

.read-more:hover {
  color: var(--primary-dark);
}

.read-more:hover::after {
  transform: translateX(5px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-medium), box-shadow var(--transition-medium);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.navbar-brand img {
  transition: transform var(--transition-medium);
}

.navbar-brand:hover img {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  color: var(--dark-medium);
  font-weight: 600;
  padding: 0.5rem 1rem;
  transition: color var(--transition-medium);
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-medium), left var(--transition-medium);
}

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

.navbar-nav .nav-link:hover::after {
  width: 80%;
  left: 10%;
}

/* Hero Section */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
  z-index: -1;
}

.min-vh-80 {
  min-height: 80vh;
}

.hero-section h1 {
  font-size: var(--text-5xl);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section .lead {
  font-size: var(--text-xl);
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Stats Section */
.stats-section {
  background-color: var(--light);
  padding: 4rem 0;
}

.stat-widget {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.stat-widget:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.stat-icon {
  margin-bottom: 1.5rem;
  background-color: rgba(0, 114, 206, 0.1);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-medium);
}

.stat-widget:hover .stat-icon {
  transform: scale(1.1);
}

.stat-number {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: var(--text-lg);
  color: var(--medium);
  font-weight: 600;
}

/* Sustainability Section */
.sustainability-section {
  padding: 6rem 0;
  background-color: var(--white);
}

.image-container {
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.image-container:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.sustainability-card {
  padding: 1.5rem;
  background-color: var(--light);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

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

.card-icon {
  margin-bottom: 1rem;
  background-color: rgba(0, 114, 206, 0.1);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-medium);
}

.sustainability-card:hover .card-icon {
  transform: scale(1.1);
}

/* Portfolio Section */
.portfolio-section {
  padding: 6rem 0;
}

.portfolio-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

/* Methodology Section */
.methodology-section {
  padding: 6rem 0;
  background-color: var(--white);
}

.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--primary-light);
}

.timeline-item {
  position: relative;
  padding: 2rem;
  margin-bottom: 2rem;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.timeline-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.timeline-icon {
  position: absolute;
  top: 50%;
  width: 60px;
  height: 60px;
  background-color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: transform var(--transition-medium);
}

.timeline-item:hover .timeline-icon {
  transform: scale(1.1);
}

.col-md-6:nth-child(odd) .timeline-icon {
  right: -30px;
  transform: translate(0, -50%);
}

.col-md-6:nth-child(even) .timeline-icon {
  left: -30px;
  transform: translate(0, -50%);
}

.timeline-content {
  padding: 1rem;
}

.timeline-content h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

/* Resources Section */
.resources-section {
  padding: 6rem 0;
}

.resource-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.resource-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.resource-card .card-icon {
  background-color: rgba(0, 114, 206, 0.1);
  width: 100px;
  height: 100px;
}

/* Accolades Section */
.accolades-section {
  padding: 6rem 0;
  background-color: var(--white);
}

.accolade-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

.accolade-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.accolade-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.accolade-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.accolade-card:hover .accolade-image img {
  transform: scale(1.05);
}

.accolade-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.accolade-year {
  display: inline-block;
  padding: 0.25rem 1rem;
  background-color: var(--primary);
  color: var(--white);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-top: auto;
  align-self: flex-start;
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
  background-color: var(--light);
}

.contact-info {
  background-color: var(--primary);
  color: var(--white);
  height: 100%;
}

.contact-info h3 {
  color: var(--white);
  margin-bottom: 2rem;
}

.contact-item {
  margin-bottom: 1.5rem;
}

.contact-item h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
  font-size: var(--text-lg);
}

.contact-item p {
  color: rgba(255, 255, 255, 0.8);
}

.contact-form {
  background-color: var(--white);
}

.form-control, .form-select {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--light-medium);
  transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(0, 114, 206, 0.25);
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding-top: 4rem;
}

.footer-brand img {
  transition: transform var(--transition-medium);
}

.footer-brand:hover img {
  transform: scale(1.05);
}

.footer-title {
  color: var(--white);
  font-size: var(--text-xl);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--primary);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--light);
  transition: color var(--transition-medium), transform var(--transition-medium);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--white);
  transform: translateX(5px);
}

.social-links a {
  color: var(--light);
  transition: color var(--transition-medium);
  font-weight: 600;
}

.social-links a:hover {
  color: var(--primary-light);
}

.newsletter-form .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.newsletter-form .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.app-links {
  display: flex;
  flex-wrap: wrap;
}

.app-links img {
  transition: transform var(--transition-medium);
}

.app-links img:hover {
  transform: scale(1.05);
}

.copyright {
  margin-bottom: 0;
}

.footer-legal {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: flex-end;
}

.footer-legal li {
  margin-left: 1.5rem;
}

.footer-legal a {
  color: var(--light-medium);
  font-size: var(--text-sm);
  transition: color var(--transition-medium);
}

.footer-legal a:hover {
  color: var(--white);
}

/* Cookie Consent */
.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(34, 34, 34, 0.95);
  backdrop-filter: blur(10px);
  color: var(--white);
  padding: 1rem;
  z-index: 9999;
  display: none;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.cookie-content p {
  margin-bottom: 0;
  flex: 1;
}

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

.cookie-content a:hover {
  color: var(--white);
}

/* Success Page */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.success-content {
  max-width: 600px;
  padding: 3rem;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.success-icon {
  font-size: 5rem;
  color: var(--accent);
  margin-bottom: 2rem;
}

.success-content h1 {
  margin-bottom: 1.5rem;
}

.success-content p {
  margin-bottom: 2rem;
}

/* Privacy & Terms Pages */
.page-content {
  padding-top: 100px;
  padding-bottom: 4rem;
}

.page-content h1 {
  margin-bottom: 2rem;
  text-align: center;
}

.page-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.page-content p {
  margin-bottom: 1.5rem;
}

.page-content ul, .page-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) forwards;
}

/* Barba.js Transitions */
.fade-enter {
  opacity: 0;
  transform: translateY(20px);
}

.fade-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.fade-exit {
  opacity: 1;
}

.fade-exit-active {
  opacity: 0;
  transition: opacity var(--transition-medium);
}

/* Media Queries */
@media (max-width: 991.98px) {
  .section-title {
    font-size: var(--text-3xl);
  }
  
  .hero-section h1 {
    font-size: var(--text-4xl);
  }
  
  .hero-section .lead {
    font-size: var(--text-lg);
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-icon {
    left: 0 !important;
    transform: translate(0, -50%) !important;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
}

@media (max-width: 767.98px) {
  .section-title {
    font-size: var(--text-2xl);
  }
  
  .section-subtitle {
    font-size: var(--text-base);
  }
  
  .hero-section h1 {
    font-size: var(--text-3xl);
  }
  
  .hero-section .lead {
    font-size: var(--text-base);
  }
  
  .stat-number {
    font-size: var(--text-3xl);
  }
  
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-content button {
    width: 100%;
  }
  
  .footer-legal {
    justify-content: flex-start;
    margin-top: 1rem;
  }
  
  .footer-legal li {
    margin-left: 0;
    margin-right: 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
  }
  
  .hero-section .d-flex {
    flex-direction: column;
    gap: 1rem !important;
  }
  
  .hero-section .btn {
    width: 100%;
  }
}