:root {
  --color-primary: #67a546;
  --color-secondary: #0073aa;
  --color-dark: #333333;
  --color-gray: #808080;
  --color-light-gray: #f4f4f4;
  --color-white: #ffffff;
  --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
}

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  z-index: 100;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

/* Header Styles */
.header-top {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xs) 0;
  font-size: 0.9rem;
}

.header-top-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.contact-info {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.contact-info span {
  color: var(--color-gray);
}

.btn-adherent {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.btn-adherent:hover {
  background-color: #005a8a;
}

/* Navigation */
.navbar {
  background-color: var(--color-white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo img {
  height: 60px;
  width: auto;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
}

.nav-toggle span {
  display: block;
  height: 3px;
  background-color: var(--color-dark);
  transition: transform 0.3s ease;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-menu a {
  color: var(--color-dark);
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-xs) 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after {
  width: 100%;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary), #5a9039);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></svg>') repeat;
  animation: rotate 60s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

/* Values Section */
.values {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-light-gray);
}

.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--color-dark);
  margin-bottom: var(--spacing-xl);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.value-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.value-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.value-card h3 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--color-gray);
  line-height: 1.8;
}

/* About Section */
.about {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.about-features {
  list-style: none;
  margin-top: var(--spacing-lg);
}

.about-features li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-dark);
}

.about-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Partners Section */
.partners {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-light-gray);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  align-items: center;
  justify-items: center;
}

.partner-logo {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: 8px;
  width: 100%;
  max-width: 200px;
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.partner-logo:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.partner-logo img {
  max-width: 100%;
  height: auto;
  filter: grayscale(100%);
  transition: filter 0.3s ease;
}

.partner-logo:hover img {
  filter: grayscale(0%);
}

/* CTA Section */
.cta {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--color-secondary), #005a8a);
  color: var(--color-white);
  text-align: center;
}

.cta h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
}

.cta p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.btn-primary {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-primary:hover {
  background-color: #5a9039;
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  margin-left: var(--spacing-sm);
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

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

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

.footer-section ul li {
  padding: var(--spacing-xs) 0;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-tagline {
  color: var(--color-primary);
  font-weight: 600;
  margin-top: var(--spacing-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 0;
    flex-direction: column;
    background-color: var(--color-white);
    width: 100%;
    max-width: 300px;
    height: 100vh;
    padding: var(--spacing-xxl) var(--spacing-lg);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    z-index: 999;
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .header-top-content {
    justify-content: center;
    text-align: center;
  }
  
  .contact-info {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.py-1 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-3 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-4 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

/* Print Styles */
@media print {
  .header-top,
  .nav-toggle,
  .footer {
    display: none;
  }
  
  body {
    font-size: 12pt;
  }
  
  a {
    color: var(--color-dark);
    text-decoration: underline;
  }
}