:root {
  /* Color Palette */
  --color-primary: #0A2540; /* Deep Blue */
  --color-secondary: #00A650; /* Green */
  --color-accent: #FF6600; /* Warm Orange for highlights */
  --color-dark: #0f172a;
  --color-light: #f8fafc;
  --color-white: #ffffff;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-600: #475569;
  --color-gray-800: #1e293b;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Effects */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 25px 30px -5px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --border-radius-lg: 24px;
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: blur(12px);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-gray-800);
  background-color: var(--color-light);
  line-height: 1.6;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex-grow: 1;
  padding-top: 80px; /* Account for fixed header */
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-alt {
  background-color: var(--color-white);
}

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

.section-primary h2, .section-primary h3, .section-primary .section-subtitle {
  color: var(--color-white);
}

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

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--color-secondary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

/* Cards */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  margin: calc(var(--spacing-md) * -1) calc(var(--spacing-md) * -1) var(--spacing-md) calc(var(--spacing-md) * -1);
  width: calc(100% + var(--spacing-md) * 2);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 166, 80, 0.1);
  color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-normal);
}

.card:hover .card-icon {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: scale(1.1);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.card-text {
  color: var(--color-gray-600);
  flex-grow: 1;
  margin-bottom: var(--spacing-sm);
}

.card-link {
  color: var(--color-secondary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: auto;
}

.card-link:hover {
  color: var(--color-primary);
  gap: 10px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  box-shadow: 0 4px 10px rgba(0, 166, 80, 0.3);
}

.btn-primary:hover {
  background-color: #008a42;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 166, 80, 0.4);
  color: var(--color-white);
}

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

.btn-secondary:hover {
  background-color: #06192e;
  transform: translateY(-2px);
  color: var(--color-white);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background-color: var(--color-gray-100);
  transform: translateY(-2px);
}

/* Header & Nav (Glassmorphism) */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-normal);
  padding: 1rem 0;
}

.header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text span {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  line-height: 1.2;
}

.logo-text small {
  font-size: 0.7rem;
  color: var(--color-gray-600);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-weight: 600;
  color: var(--color-primary);
  position: relative;
  font-size: 0.95rem;
  padding: 0.5rem 0;
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, rgba(10, 37, 64, 0.9) 100%), url('../images/pattern.svg') center/cover;
  padding: 6rem 0 4rem;
  color: var(--color-white);
  text-align: center;
}

.breadcrumb {
  display: inline-flex;
  gap: 10px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

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

/* Footer layout */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--color-secondary);
}

.footer-col p {
  color: var(--color-gray-200);
  opacity: 0.9;
  margin-bottom: 1rem;
}

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

.footer-links a {
  color: var(--color-gray-200);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.footer-links a i {
  font-size: 0.8rem;
  color: var(--color-secondary);
}

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

.footer-contact li {
  display: flex;
  gap: 15px;
  margin-bottom: 1rem;
  color: var(--color-gray-200);
}

.footer-contact i {
  color: var(--color-secondary);
  font-size: 1.2rem;
  margin-top: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-gray-200);
  font-size: 0.875rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}

/* Media Queries */
@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    gap: 1.5rem;
  }
  
  .nav-links.show {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }

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

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 2rem;
  }
}