/* ===== Variables ===== */
:root {
    --primary: #002147;       /* Zimbabwe blue */
    --secondary: #FFD700;     /* Zimbabwe gold */
    --accent: #CE1126;        /* Zimbabwe red accent */
    --text: #333333;
    --light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --header-height: 70px;
  }
  
  /* ===== Base Styles ===== */
  * {
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding-top: var(--header-height);
  }
  
  body.nav-active {
    overflow: hidden;
  }
  
  .main-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    height: var(--header-height);
  }
  
  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
  }
  
  /* ===== Logo Styles ===== */
  .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    z-index: 1001;
  }
  
  .logo-img {
    height: 40px;
    width: auto;
    transition: var(--transition);
  }
  
  .logo-text {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
  }
  
  /* ===== Desktop Navigation ===== */
  .main-nav {
    display: flex;
  }
  
  .nav-list {
    display: flex;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  
  .nav-item a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    position: relative;
    transition: var(--transition);
    font-size: 0.95rem;
  }
  
  .nav-icon {
    font-size: 1rem;
  }
  
  .nav-text {
    display: inline;
  }
  
  .nav-item a:hover {
    color: var(--primary);
  }
  
  .nav-item a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.75rem;
    width: calc(100% - 1.5rem);
    height: 2px;
    background: var(--secondary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
  }
  
  .nav-item a:hover:after {
    transform: scaleX(1);
    transform-origin: left;
  }
  
  .nav-item.highlight a {
    background: var(--secondary);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 600;
    margin-left: 0.5rem;
  }
  
  .nav-item.highlight a:hover {
    background: var(--primary);
    color: var(--white);
  }
  
  /* ===== Mobile Navigation ===== */
  .mobile-nav-controls {
    display: none;
    z-index: 1001;
  }
  
  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
  }
  
  .toggle-bar {
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  /* Mobile menu styles */
  @media (max-width: 768px) {
    .header-container {
      padding: 0 1rem;
    }
    
    .mobile-nav-controls {
      display: block;
    }
    
    .main-nav {
      position: fixed;
      top: var(--header-height);
      left: 0;
      width: 100%;
      height: calc(100vh - var(--header-height));
      background: var(--white);
      box-shadow: var(--shadow);
      transform: translateX(100%);
      transition: transform 0.3s ease;
      z-index: 999;
      overflow-y: auto;
    }
    
    .main-nav.active {
      transform: translateX(0);
    }
    
    .nav-list {
      flex-direction: column;
      gap: 0;
      padding: 1rem;
    }
    
    .nav-item {
      width: 100%;
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav-item a {
      padding: 1rem;
      justify-content: flex-start;
    }
    
    .nav-icon {
      width: 24px;
      text-align: center;
    }
    
    .nav-item.highlight {
      border-bottom: none;
      margin-top: 1rem;
    }
    
    .nav-item.highlight a {
      justify-content: center;
      margin-left: 0;
    }
    
    .nav-item a:after {
      display: none;
    }
  }
  
  /* Small mobile devices */
  @media (max-width: 480px) {
    .logo-text {
      display: none;
    }
    
    .logo-img {
      height: 35px;
    }
    
    .nav-item a {
      font-size: 1rem;
    }
  }