/* Local Inter variable font from iGEM tools CDN (allowed host) */
@font-face {
    font-family: 'Inter';
    src: url('https://tools.igem.org/uploads/teams/3887/fonts/inter-variablefont-opsz-wght.woff2') format('woff2');
    font-weight: 100 900; /* variable font range */
    font-style: normal;
    font-display: swap;
  }
  
  html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
      Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  }
  /* iGEM Wiki Main Styles */
  
  /* CSS Variables for Theme Support */
  :root {
      /* Light Theme - Eucaplyn Style */
      --primary-color: #4CAF50;
      --primary-dark: #388E3C;
      --secondary-color: #4CAF50;
      --accent-color: #4CAF50;
      --success-color: #4CAF50;
      --warning-color: #FF9800;
      --error-color: #f44336;
      
      /* Background Colors */
      --bg-primary: #DFFFE7;
      --bg-secondary: #ffffff;
      --bg-tertiary: #f8f8f8;
      --bg-overlay: rgba(255, 255, 255, 0.95);
      
      /* Text Colors */
      --text-primary: #2E7D32;
      --text-secondary: #4CAF50;
      --text-muted: #81C784;
      --text-inverse: #ffffff;
      
      /* Border Colors */
      --border-color: #4CAF50;
      --border-light: #C8E6C9;
      
      /* Shadows */
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      
      /* Spacing */
      --spacing-xs: 0.25rem;
      --spacing-sm: 0.5rem;
      --spacing-md: 1rem;
      --spacing-lg: 1.5rem;
      --spacing-xl: 2rem;
      --spacing-2xl: 3rem;
      
      /* Typography */
      --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --font-size-xs: 0.75rem;
      --font-size-sm: 0.875rem;
      --font-size-base: 1rem;
      --font-size-lg: 1.125rem;
      --font-size-xl: 1.25rem;
      --font-size-2xl: 1.5rem;
      --font-size-3xl: 1.875rem;
      --font-size-4xl: 2.25rem;
      
      /* Transitions */
      --transition-fast: 0.15s ease-in-out;
      --transition-normal: 0.3s ease-in-out;
      --transition-slow: 0.5s ease-in-out;
  }
  
  
  /* Reset and Base Styles */
  * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
  }
  
  html {
      scroll-behavior: smooth;
  }
  
  body {
      font-family: var(--font-family);
      font-size: var(--font-size-base);
      line-height: 1.6;
      color: var(--text-primary);
      background-color: var(--bg-primary);
      transition: background-color var(--transition-normal), color var(--transition-normal);
  }
  
  /* Container */
  .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
  }
  
  /* Typography */
  h1, h2, h3, h4, h5, h6 {
      font-weight: 600;
      line-height: 1.3;
      margin-bottom: var(--spacing-md);
      color: var(--text-primary);
  }
  
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
  h4 { font-size: var(--font-size-xl); }
  h5 { font-size: var(--font-size-lg); }
  h6 { font-size: var(--font-size-base); }
  
  p {
      margin-bottom: var(--spacing-md);
      color: var(--text-secondary);
  }
  
  a {
      color: var(--primary-color);
      text-decoration: none;
      transition: color var(--transition-fast);
  }
  
  a:hover {
      color: var(--primary-dark);
  }
  
  /* Buttons */
  .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: var(--spacing-sm) var(--spacing-lg);
      font-size: var(--font-size-base);
      font-weight: 500;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: all var(--transition-fast);
      text-decoration: none;
      gap: var(--spacing-sm);
  }
  
  .btn-primary {
      background-color: var(--primary-color);
      color: var(--text-inverse);
  }
  
  .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
  }
  
  .btn-secondary {
      background-color: transparent;
      color: var(--primary-color);
      border: 2px solid var(--primary-color);
  }
  
  .btn-secondary:hover {
      background-color: var(--primary-color);
      color: var(--text-inverse);
  }
  
  /* Navigation */
  .navbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: var(--bg-secondary);
      border-bottom: 2px solid var(--border-color);
      z-index: 1000;
      transition: all var(--transition-normal);
      box-shadow: 0 2px 10px rgba(76, 175, 80, 0.1);
  }
  
  .navbar.scrolled {
      box-shadow: var(--shadow-lg);
  }
  
  .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
      width: 100%;
  }
  
  .nav-logo {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      font-size: var(--font-size-xl);
      font-weight: 700;
      color: var(--primary-color);
  }
  
  .nav-logo i {
      font-size: var(--font-size-2xl);
  }
  
  .logo-image {
      width: 50px;
      height: 50px;
      transition: transform var(--transition-fast);
  }
  
  .logo-image:hover {
      transform: scale(1.05);
  }
  
  .team-name-logo {
      height: 50px;
      width: auto;
      vertical-align: middle;
  }
  
  .nav-menu {
      display: flex;
      align-items: center;
      margin-left: auto;
  }
  
  .nav-list {
      display: flex;
      list-style: none;
      gap: var(--spacing-lg);
      align-items: center;
  }
  
  .nav-link {
      display: flex;
      align-items: center;
      gap: var(--spacing-xs);
      padding: var(--spacing-sm) var(--spacing-md);
      color: #333333;
      font-weight: 500;
      font-size: var(--font-size-base);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-radius: 6px;
      transition: all var(--transition-fast);
  }
  
  .nav-link:hover,
  .nav-link.active {
      color: var(--primary-color);
      background-color: var(--bg-primary);
      transform: translateY(-2px);
      box-shadow: 0 4px 8px rgba(76, 175, 80, 0.2);
  }
  
  .dropdown {
      position: relative;
  }
  
  .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      background-color: var(--bg-secondary);
      border: 2px solid var(--border-color);
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      opacity: 0;
      visibility: hidden;
      transform: translateY(-10px);
      transition: all var(--transition-fast);
      min-width: 200px;
      z-index: 1001;
      list-style: none;
      padding: var(--spacing-sm) 0;
      margin-top: 5px;
  }
  
  .dropdown:hover .dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
  }
  
  .dropdown-menu li {
      margin: 0;
  }
  
  .dropdown-menu a {
      display: block;
      padding: var(--spacing-sm) var(--spacing-lg);
      color: var(--text-secondary);
      transition: all var(--transition-fast);
      font-size: var(--font-size-sm);
  }
  
  .dropdown-menu a:hover {
      background-color: var(--bg-primary);
      color: var(--primary-color);
      transform: translateX(5px);
  }
  
  .nav-link i {
      font-size: 0.8em;
      margin-left: 4px;
      transition: transform var(--transition-fast);
  }
  
  .dropdown:hover .nav-link i {
      transform: rotate(180deg);
  }
  
  .nav-actions {
      display: flex;
      align-items: center;
      gap: var(--spacing-md);
  }
  
  
  .mobile-menu-toggle {
      display: none;
      flex-direction: column;
      background: none;
      border: none;
      cursor: pointer;
      padding: var(--spacing-sm);
  }
  
  .mobile-menu-toggle span {
      width: 25px;
      height: 3px;
      background-color: var(--text-primary);
      margin: 3px 0;
      transition: var(--transition-fast);
  }
  
  /* Main Content */
  .main-content {
      margin-top: 70px;
      min-height: calc(100vh - 70px);
      background-color: var(--bg-primary);
      position: relative;
  }
  
  .main-content::before {
      content: '';
      position: absolute;
      top: 20px;
      left: 20px;
      right: 20px;
      bottom: 20px;
      border: 2px solid var(--primary-color);
      border-radius: 20px 0 0 20px;
      pointer-events: none;
      z-index: 0;
  }
  
  /* Hero Section */
  .hero {
      padding: var(--spacing-2xl) 0;
      background-color: transparent;
      position: relative;
      z-index: 1;
  }
  
  .hero-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      min-height: 70vh;
      padding-top: 120px;
  }
  
  .hero-content {
      max-width: 800px;
      width: 100%;
  }
  
  .hero-logo {
      text-align: center;
      margin-bottom: var(--spacing-lg);
  }
  
  .hero-logo-image {
      width: 120px;
      height: 120px;
      transition: transform var(--transition-normal);
  }
  
  .hero-logo-image:hover {
      transform: scale(1.05) rotate(5deg);
  }
  
  .hero-title {
      font-family: 'Brush Script MT', cursive;
      font-size: 3.5rem;
      font-weight: 400;
      margin-bottom: var(--spacing-lg);
      color: var(--primary-color);
      text-align: center;
      letter-spacing: 2px;
  }
  
  .hero-subtitle {
      font-size: var(--font-size-lg);
      color: var(--text-secondary);
      margin-bottom: var(--spacing-xl);
      line-height: 1.7;
      text-align: center;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
  }
  
  .hero-actions {
      display: flex;
      gap: var(--spacing-md);
      justify-content: center;
  }
  
  .hero-visual {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: -1;
  }
  
  .decorative-illustrations {
      position: relative;
      width: 100%;
      height: 100%;
      min-height: 400px;
  }
  
  .plant-illustration {
      position: absolute;
      top: 20px;
      left: 20px;
      z-index: 1;
  }
  
  .plant-illustration .illustration {
      width: 400px;
      height: 400px;
  }
  
  .lab-equipment-illustration {
      position: absolute;
      bottom: -50px;
      right: 20px;
      z-index: 1;
  }
  
  .illustration {
      width: 300px;
      height: 300px;
      opacity: 0.6;
      pointer-events: none;
      user-select: none;
      object-fit: contain;
  }
  
  .hero-image,
  .hero-video {
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-xl);
  }
  
  .hero-image img,
  .hero-video video {
      width: 100%;
      height: auto;
      display: block;
  }
  
  /* Section Styles */
  .section-title {
      text-align: center;
      margin-bottom: var(--spacing-2xl);
      font-size: var(--font-size-3xl);
      font-weight: 700;
  }
  
  /* Highlights Section */
  .highlights {
      padding: calc(var(--spacing-2xl) + 100px) 0 var(--spacing-2xl) 0;
      background-color: transparent;
      position: relative;
      z-index: 1;
  }
  
  .highlights-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--spacing-xl);
  }
  
  .highlight-card {
      background-color: var(--bg-secondary);
      padding: var(--spacing-xl);
      border-radius: 12px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(76, 175, 80, 0.1);
      transition: all var(--transition-normal);
      border: 2px solid var(--border-color);
  }
  
  .highlight-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-xl);
  }
  
  .highlight-icon {
      width: 60px;
      height: 60px;
      background: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto var(--spacing-lg);
      color: var(--text-inverse);
      font-size: var(--font-size-xl);
      border: 2px solid var(--primary-color);
  }
  
  .highlight-card h3 {
      margin-bottom: var(--spacing-md);
      color: var(--text-primary);
  }
  
  /* Quick Navigation */
  .quick-nav {
      padding: calc(var(--spacing-2xl) + 50px) 0 var(--spacing-2xl) 0;
      background-color: transparent;
      position: relative;
      z-index: 1;
  }
  
  .quick-nav-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: var(--spacing-lg);
  }
  
  .quick-nav-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--spacing-sm);
      padding: var(--spacing-xl);
      background-color: var(--bg-secondary);
      border: 2px solid var(--border-color);
      border-radius: 12px;
      text-decoration: none;
      color: var(--text-primary);
      transition: all var(--transition-normal);
      box-shadow: 0 4px 15px rgba(76, 175, 80, 0.1);
  }
  
  .quick-nav-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-color);
  }
  
  .quick-nav-item i {
      font-size: var(--font-size-2xl);
      color: var(--primary-color);
  }
  
  .quick-nav-item span {
      font-weight: 500;
  }
  
  /* Sidebar Navigation */
  .sidebar-nav {
      position: fixed;
      top: 50%;
      right: var(--spacing-lg);
      transform: translateY(-50%);
      background-color: var(--bg-primary);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      box-shadow: var(--shadow-lg);
      padding: var(--spacing-lg);
      z-index: 100;
      opacity: 0;
      visibility: hidden;
      transition: all var(--transition-normal);
      max-width: 250px;
  }
  
  .sidebar-nav.visible {
      opacity: 1;
      visibility: visible;
  }
  
  .sidebar-content h3 {
      font-size: var(--font-size-sm);
      font-weight: 600;
      margin-bottom: var(--spacing-md);
      color: var(--text-primary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
  }
  
  .sidebar-menu {
      list-style: none;
  }
  
  .sidebar-menu li {
      margin-bottom: var(--spacing-xs);
  }
  
  .sidebar-menu a {
      display: block;
      padding: var(--spacing-xs) var(--spacing-sm);
      font-size: var(--font-size-sm);
      color: var(--text-secondary);
      text-decoration: none;
      border-radius: 4px;
      transition: all var(--transition-fast);
  }
  
  .sidebar-menu a:hover,
  .sidebar-menu a.active {
      background-color: var(--bg-secondary);
      color: var(--primary-color);
  }
  
  /* Back to Top Button */
  .back-to-top {
      position: fixed;
      bottom: var(--spacing-xl);
      right: var(--spacing-xl);
      width: 50px;
      height: 50px;
      background-color: var(--primary-color);
      color: var(--text-inverse);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: all var(--transition-normal);
      z-index: 100;
      box-shadow: var(--shadow-lg);
  }
  
  .back-to-top.visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
  }
  
  .back-to-top:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-xl);
  }
  
  /* Footer */
  .footer {
      background-color: var(--bg-secondary);
      border-top: 2px solid var(--border-color);
      padding: var(--spacing-2xl) 0 var(--spacing-lg);
      margin-top: var(--spacing-2xl);
      position: relative;
      z-index: 1;
  }
  
  .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
  }
  
  .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--spacing-xl);
      margin-bottom: var(--spacing-xl);
  }
  
  .footer-section h3 {
      font-size: var(--font-size-lg);
      font-weight: 600;
      margin-bottom: var(--spacing-md);
      color: var(--text-primary);
  }
  
  .footer-section ul {
      list-style: none;
  }
  
  .footer-section ul li {
      margin-bottom: var(--spacing-sm);
  }
  
  .footer-section ul li a {
      color: var(--text-secondary);
      transition: color var(--transition-fast);
  }
  
  .footer-section ul li a:hover {
      color: var(--primary-color);
  }
  
  .social-links {
      display: flex;
      gap: var(--spacing-md);
      margin-bottom: var(--spacing-md);
  }
  
  .social-links a {
      width: 40px;
      height: 40px;
      background-color: var(--bg-primary);
      border: 2px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      transition: all var(--transition-fast);
  }
  
  .social-links a:hover {
      background-color: var(--primary-color);
      color: var(--text-inverse);
      transform: translateY(-2px);
  }
  
  .contact-info {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      color: var(--text-secondary);
  }
  
  .contact-info i {
      color: var(--primary-color);
  }
  
  .sponsors {
      display: flex;
      flex-wrap: wrap;
      gap: var(--spacing-md);
  }
  
  .sponsor-item {
      background-color: var(--bg-primary);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: var(--spacing-md);
      display: flex;
      align-items: center;
      justify-content: center;
  }
  
  .sponsor-item img {
      max-height: 40px;
      max-width: 120px;
      filter: grayscale(100%);
      transition: filter var(--transition-fast);
  }
  
  .sponsor-item:hover img {
      filter: grayscale(0%);
  }
  
  .footer-bottom {
      text-align: center;
      padding-top: var(--spacing-lg);
      border-top: 1px solid var(--border-color);
      color: var(--text-muted);
      font-size: var(--font-size-sm);
  }
  
  /* Utility Classes */
  .text-center { text-align: center; }
  .text-left { text-align: left; }
  .text-right { text-align: right; }
  
  .mt-0 { margin-top: 0; }
  .mt-1 { margin-top: var(--spacing-xs); }
  .mt-2 { margin-top: var(--spacing-sm); }
  .mt-3 { margin-top: var(--spacing-md); }
  .mt-4 { margin-top: var(--spacing-lg); }
  .mt-5 { margin-top: var(--spacing-xl); }
  
  .mb-0 { margin-bottom: 0; }
  .mb-1 { margin-bottom: var(--spacing-xs); }
  .mb-2 { margin-bottom: var(--spacing-sm); }
  .mb-3 { margin-bottom: var(--spacing-md); }
  .mb-4 { margin-bottom: var(--spacing-lg); }
  .mb-5 { margin-bottom: var(--spacing-xl); }
  
  .p-0 { padding: 0; }
  .p-1 { padding: var(--spacing-xs); }
  .p-2 { padding: var(--spacing-sm); }
  .p-3 { padding: var(--spacing-md); }
  .p-4 { padding: var(--spacing-lg); }
  .p-5 { padding: var(--spacing-xl); }
  
  .d-none { display: none; }
  .d-block { display: block; }
  .d-flex { display: flex; }
  .d-grid { display: grid; }
  
  .w-100 { width: 100%; }
  .h-100 { height: 100%; }
  
  .rounded { border-radius: 8px; }
  .rounded-lg { border-radius: 12px; }
  .rounded-full { border-radius: 50%; }
  
  .shadow-sm { box-shadow: var(--shadow-sm); }
  .shadow-md { box-shadow: var(--shadow-md); }
  .shadow-lg { box-shadow: var(--shadow-lg); }
  .shadow-xl { box-shadow: var(--shadow-xl); }