/* Base Styles */
:root {
  --color-primary: #1a3c5a;
  --color-primary-light: #3a6ea5;
  --color-primary-dark: #102536;
  --color-secondary: #2c6e49;
  --color-secondary-light: #4c956c;
  --color-secondary-dark: #1b4d31;
  --color-accent: #e9ecef;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #6c757d;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  --color-white: #ffffff;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --transition-short: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-long: 0.5s ease;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --box-shadow-large: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-gray-800);
  background-color: var(--color-white);
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-900);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

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

.lead-text {
  font-size: 1.25rem;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-short);
  text-decoration: none;
  border: 2px solid transparent;
}

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

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

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

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-white);
}

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

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

/* Header */
header {
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background-color var(--transition-medium);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
}

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

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin: 0 var(--spacing-md);
}

.nav-links a {
  color: var(--color-gray-800);
  font-weight: 500;
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.nav-links a:hover, 
.nav-links a.active {
  color: var(--color-primary);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.language-toggle {
  margin-left: var(--spacing-md);
}

.language-toggle button {
  background-color: transparent;
  border: 1px solid var(--color-gray-400);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  transition: all var(--transition-short);
}

.language-toggle button:hover {
  background-color: var(--color-gray-200);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--color-gray-800);
  transition: all var(--transition-short);
}

/* Page Header */
.page-header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: 0;
}

.page-header .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: 0;
}

/* Footer */
footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

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

.footer-logo p {
  color: var(--color-gray-400);
}

.footer-links h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

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

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

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-short);
}

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

.footer-contact h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

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

.footer-contact a {
  color: var(--color-gray-400);
  transition: color var(--transition-short);
  display: inline-block;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-800);
  color: var(--color-gray-500);
  font-size: 0.875rem;
}

/* Media Queries */
@media (max-width: 992px) {
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .header-container {
    height: 70px;
  }
  
  .logo img {
    height: 40px;
  }
  
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-medium);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-sm) var(--spacing-xl);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .header-container {
    height: 60px;
  }
  
  .logo img {
    height: 35px;
  }
  
  .nav-links {
    top: 60px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-logo img {
    margin: 0 auto var(--spacing-md);
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .header-container {
    padding: 0 var(--spacing-md);
  }
  
  .language-toggle {
    margin-left: var(--spacing-sm);
  }
  
  .btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
  }
}