:root {
      --primary-dark: #0d1b1e;
      --secondary-dark: #1d2d2f;
      --accent-green: #3aaf85;
      --accent-light: #e0f2e9;
      --text-primary: #ffffff;
      --text-secondary: #b8c5c6;
      --highlight: #4ecdc4;
      --section-padding: 6rem 10%;
      --transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Poppins', sans-serif;
      background-color: var(--primary-dark);
      color: var(--text-primary);
      line-height: 1.7;
      overflow-x: hidden;
    }

    /* Hero Section with Video Background */
    .hero {
      position: relative;
      height: 100vh;
      min-height: 700px;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .hero-video {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
    }

    .hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(13, 27, 30, 0.7);
      z-index: 2;
    }

    .hero-content {
      position: relative;
      z-index: 3;
      text-align: center;
      padding: 0 2rem;
      max-width: 1200px;
    }

    .hero h1 {
      font-size: clamp(2.5rem, 5vw, 4.5rem);
      font-weight: 700;
      margin-bottom: 1.5rem;
      line-height: 1.2;
      text-transform: uppercase;
      letter-spacing: 2px;
    }

    .hero h1 span {
      color: var(--accent-green);
      position: relative;
      display: inline-block;
    }

    .hero h1 span::after {
      content: '';
      position: absolute;
      bottom: 5px;
      left: 0;
      width: 100%;
      height: 8px;
      background: var(--accent-green);
      opacity: 0.3;
      z-index: -1;
    }

    .hero p {
      font-size: clamp(1.2rem, 2vw, 1.5rem);
      max-width: 700px;
      margin: 0 auto 2.5rem;
      color: var(--text-secondary);
    }

    /* Navigation */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      padding: 1.5rem 5%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      z-index: 1000;
      transition: var(--transition);
    }

    .navbar.scrolled {
      background: rgba(13, 27, 30, 0.95);
      backdrop-filter: blur(10px);
      padding: 1rem 5%;
      box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    }

    .logo {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--text-primary);
      text-decoration: none;
    }

    .logo span {
      color: var(--accent-green);
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
    }

    .nav-links a {
      color: var(--text-primary);
      text-decoration: none;
      font-weight: 500;
      font-size: 1.1rem;
      position: relative;
      transition: var(--transition);
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-green);
      transition: var(--transition);
    }

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

    .nav-links a:hover {
      color: var(--accent-green);
    }

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

    /* Sections */
    section {
      padding: var(--section-padding);
      position: relative;
    }

    .section-title {
      font-size: clamp(1.8rem, 3vw, 2.5rem);
      margin-bottom: 1.5rem;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 0;
      width: 60px;
      height: 4px;
      background: var(--accent-green);
      border-radius: 2px;
    }

    .section-subtitle {
      font-size: clamp(1rem, 1.5vw, 1.2rem);
      margin-bottom: 3rem;
      color: var(--text-secondary);
      max-width: 700px;
    }

    .highlight {
      color: var(--accent-green);
      font-weight: 600;
    }

    /* Grid Layout */
    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2.5rem;
      margin: 3rem 0;
    }

    .card {
      background: var(--secondary-dark);
      border-radius: 12px;
      padding: 2.5rem;
      transition: var(--transition);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      position: relative;
      overflow: hidden;
      z-index: 1;
    }

    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, rgba(58, 175, 133, 0.1) 0%, rgba(13, 27, 30, 0.8) 100%);
      z-index: -1;
    }

    .card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }

    .card h3 {
      font-size: 1.5rem;
      margin-bottom: 1.5rem;
      color: var(--accent-green);
      display: flex;
      align-items: center;
      gap: 0.8rem;
    }

    .card h3 i {
      font-size: 1.8rem;
    }

    .card p {
      color: var(--text-secondary);
    }

    /* List Styles */
    .feature-list {
      list-style: none;
      margin: 3rem 0;
    }

    .feature-list li {
      padding: 1.5rem;
      margin-bottom: 1rem;
      background: var(--secondary-dark);
      border-left: 4px solid var(--accent-green);
      border-radius: 0 8px 8px 0;
      display: flex;
      align-items: center;
      gap: 1rem;
      transition: var(--transition);
    }

    .feature-list li:hover {
      transform: translateX(10px);
    }

    .feature-list li i {
      color: var(--accent-green);
      font-size: 1.5rem;
    }

    /* Stats Section */
    .stats {
      background: linear-gradient(rgba(13, 27, 30, 0.9), rgba(13, 27, 30, 0.9)), url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      text-align: center;
      padding: 5rem 10%;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 3rem;
      margin-top: 4rem;
    }

    .stat-item {
      padding: 2rem;
    }

    .stat-number {
      font-size: 3.5rem;
      font-weight: 700;
      color: var(--accent-green);
      margin-bottom: 0.5rem;
    }

    .stat-label {
      font-size: 1.1rem;
      color: var(--text-secondary);
    }

    /* Contact Section */
    .contact-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 4rem;
      align-items: center;
    }

    .contact-info {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .contact-item i {
      font-size: 1.5rem;
      color: var(--accent-green);
      width: 50px;
      height: 50px;
      background: var(--secondary-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.8rem;
      background: var(--accent-green);
      color: var(--primary-dark);
      padding: 1rem 2rem;
      border-radius: 50px;
      text-decoration: none;
      font-weight: 600;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(58, 175, 133, 0.3);
    }

    .btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(58, 175, 133, 0.4);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--accent-green);
      color: var(--accent-green);
      box-shadow: none;
    }

    .btn-outline:hover {
      background: var(--accent-green);
      color: var(--primary-dark);
    }

    .btn i {
      font-size: 1.2rem;
    }

    /* Footer */
    footer {
      background: var(--secondary-dark);
      padding: 4rem 10% 2rem;
    }

    .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 3rem;
      margin-bottom: 3rem;
    }

    .footer-logo {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
      display: block;
    }

    .footer-logo span {
      color: var(--accent-green);
    }

    .footer-about p {
      color: var(--text-secondary);
      margin-bottom: 1.5rem;
    }

    .social-links {
      display: flex;
      gap: 1.5rem;
    }

    .social-links a {
      color: var(--text-secondary);
      font-size: 1.5rem;
      transition: var(--transition);
    }

    .social-links a:hover {
      color: var(--accent-green);
      transform: translateY(-3px);
    }

    .footer-links h3 {
      font-size: 1.3rem;
      margin-bottom: 1.5rem;
      color: var(--text-primary);
    }

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

    .footer-links li {
      margin-bottom: 0.8rem;
    }

    .footer-links a {
      color: var(--text-secondary);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--accent-green);
      padding-left: 5px;
    }

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

    /* Animations */
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .fade-in {
      animation: fadeIn 1s ease-out forwards;
    }

    .delay-1 { animation-delay: 0.2s; }
    .delay-2 { animation-delay: 0.4s; }
    .delay-3 { animation-delay: 0.6s; }
    .delay-4 { animation-delay: 0.8s; }

    /* Responsive Design */
    @media (max-width: 992px) {
      :root {
        --section-padding: 5rem 8%;
      }

      .nav-links {
        gap: 1.5rem;
      }
    }

    @media (max-width: 768px) {
      :root {
        --section-padding: 4rem 5%;
      }

      .navbar {
        padding: 1.5rem 5%;
      }

      .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
        z-index: 999;
      }

      .nav-links.active {
        right: 0;
      }

      .mobile-menu-btn {
        display: block;
        z-index: 1000;
      }

      .hero h1 {
        font-size: 3rem;
      }

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

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

    @media (max-width: 576px) {
      :root {
        --section-padding: 3rem 5%;
      }

      .hero h1 {
        font-size: 2.5rem;
      }

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

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