* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }
  
  /* Navigation */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  }
  
  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-logo h2 {
    color: #27ae60;
    font-weight: bold;
  }
  
  .nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
  }
  
  .nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
  }
  
  .nav-link:hover {
    color: #27ae60;
  }
  
  .hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
  }
  
  .hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
  }
  
  /* Hero Section */
  .hero {
    height: 100vh;
    background-image: url("https://t3.ftcdn.net/jpg/06/70/44/74/360_F_670447419_joiXrE98iFh0o9JZEJPzliGJ3KuQH9B4.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
  }
  
  .hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
  }
  
  .hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
  }
  
  .hero-buttons {
    justify-content: center;
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.4s both;
  }
  
  .btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
  }
  
  .btn-primary {
    background: #27ae60;
    color: white;
  }
  
  .btn-primary:hover {
    background: #2ecc71;
    transform: translateY(-2px);
  }
  
  .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
  }
  
  .btn-secondary:hover {
    background: white;
    color: #333;
  }
  
  .hero-stats {
    position: absolute;
    bottom: 50px;
    display: flex;
    gap: 4rem;
    animation: fadeInUp 1s ease-out 0.6s both;
  }
  
  .stat-item {
    text-align: center;
  }
  
  .stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
  
  .stat-item p {
    font-size: 1rem;
    opacity: 0.9;
  }
  
  /* Sections */
  .section {
    padding: 5rem 0;
  }
  
  .bg-light {
    background: #f8f9fa;
  }
  
  .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
  }
  
  /* Waste Types */
  .waste-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
  }
  
  .waste-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    cursor: pointer;
  }
  
  .waste-card:hover {
    transform: translateY(-10px);
  }
  
  .waste-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
  
  .waste-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
  }
  
  .waste-card p {
    color: #666;
    margin-bottom: 1.5rem;
  }
  
  .waste-tips {
    text-align: left;
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
  }
  
  .waste-tips h4 {
    margin-bottom: 0.5rem;
    color: #27ae60;
  }
  
  .waste-tips ul {
    list-style: none;
    padding: 0;
  }
  
  .waste-tips li {
    padding: 0.2rem 0;
    position: relative;
    padding-left: 1rem;
  }
  
  .waste-tips li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
  }

  /* Take Action */
.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
  }
  
  .action-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
  }
  
  .action-card:hover {
    transform: translateY(-5px);
  }
  
  .action-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
  }
  
  .action-card p {
    color: #666;
    margin-bottom: 1.5rem;
  }
  
  /* Report Waste */
  .report-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
  }
  
  .report-form,
  .report-status {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
  
  .report-form h3,
  .report-status h3 {
    margin-bottom: 1.5rem;
    color: #333;
  }
  
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
  }
  
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: #27ae60;
  }
  
  .status-tracker {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }
  
  .status-item {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .status-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #666;
  }
  
  .status-item.active .status-number {
    background: #27ae60;
    color: white;
  }
  
  .status-text {
    font-weight: 500;
    color: #333;
  }
  
  /* About Us */
  .about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
  }
  
  .about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #333;
  }
  
  .about-text p {
    margin-bottom: 2rem;
    color: #666;
    line-height: 1.8;
  }
  
  .impact-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
  }
  
  .impact-item {
    text-align: center;
  }
  
  .impact-item h4 {
    font-size: 2rem;
    color: #27ae60;
    margin-bottom: 0.5rem;
  }
  
  .impact-item p {
    font-size: 0.9rem;
    color: #666;
  }
  
  .about-image {
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
  }
  
  .placeholder-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
  }
  
  /* Contact */
  .contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
  }
  
  .contact-info,
  .contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }
  
  .contact-info h3,
  .contact-form h3 {
    margin-bottom: 1.5rem;
    color: #333;
  }
  
  .contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .contact-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
  }
  
  .contact-item h4 {
    margin-bottom: 0.5rem;
    color: #333;
  }
  
  .contact-item p {
    color: #666;
    margin: 0;
  }

  /* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
  }
  
  .footer-section h3,
  .footer-section h4 {
    margin-bottom: 1rem;
    color: #27ae60;
  }
  
  .footer-section ul {
    list-style: none;
    padding: 0;
  }
  
  .footer-section li {
    margin-bottom: 0.5rem;
  }
  
  .footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .footer-section a:hover {
    color: #27ae60;
  }
  
  .social-links {
    display: flex;
    gap: 1rem;
  }
  
  .social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #34495e;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: background 0.3s ease;
  }
  
  .social-link:hover {
    background: #99e0b7;
  }
  
  .footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
  }
  
  /* Tips & Community */
  .tips-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
  }
  
  .tip-category {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
  }
  
  .tip-category h4 {
    margin-bottom: 0.5rem;
    color: #27ae60;
  }
  
  .tip-category ul {
    list-style: none;
    padding: 0;
  }
  
  .tip-category li {
    padding: 0.3rem 0;
    color: #666;
  }
  
  .community-content {
    text-align: center;
  }
  
  .community-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
  }
  
  .community-option {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 10px;
    text-align: left;
  }
  
  .community-option h4 {
    margin-bottom: 0.5rem;
    color: #27ae60;
  }
  
  .community-option p {
    color: #666;
    margin: 0;
  }
  
  /* Animations */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Section Margin Fix */
  #contact,
  #report-waste,
  #about {
    margin-top: 0;
  }
  
  /* Responsive Design */
  @media (max-width: 768px) {
    .hamburger {
      display: flex;
    }
  
    .nav-menu {
      position: fixed;
      left: -100%;
      top: 70px;
      flex-direction: column;
      background-color: white;
      width: 100%;
      text-align: center;
      transition: 0.3s;
      box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
      padding: 2rem 0;
    }
  
    .nav-menu.active {
      left: 0;
    }
  
    .nav-menu li {
      margin: 1rem 0;
    }
  
    .hero-content h1 {
      font-size: 2.5rem;
    }
  
    .hero-stats {
      flex-direction: column;
      gap: 2rem;
    }
  
    .section-title {
      font-size: 2rem;
    }
  
    .waste-grid,
    .action-grid,
    .report-container,
    .about-content,
    .contact-container,
    .tips-content {
      grid-template-columns: 1fr;
    }
  
    .impact-stats {
      flex-direction: column;
      gap: 1rem;
    }
  
    .hero-buttons {
      flex-direction: column;
      align-items: center;
    }
  
    .footer-content {
      grid-template-columns: 1fr;
      text-align: center;
    }
  
    #contact,
    #report-waste,
    #about,
    #case-studies {
      margin-top: 8%;
    }
    #case-studies .section{
        margin-top: 8%;
    }
  }
  
  @media (max-width: 480px) {
    .hero-content h1 {
      font-size: 2rem;
    }
  
    .hero-content p {
      font-size: 1.1rem;
    }
  
    .stat-item h3 {
      font-size: 2rem;
    }
  
    .section {
      padding: 3rem 0;
    }
  
    .modal-content {
      width: 95%;
      margin: 10% auto;
      padding: 1.5rem;
    }
  }