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

    body {
      font-family: 'Inter', sans-serif;
      background-color: #ffffff;
      color: #1e2a32;
      line-height: 1.5;
      scroll-behavior: smooth;
    }

    :root {
      --primary-dark: #0a3b2f;
      --primary: #1f6e43;
      --primary-light: #d9f0e6;
      --accent: #f5a623;
      --accent-dark: #e08e1a;
      --gray-light: #f8fafc;
      --gray-border: #e2e8f0;
      --text-dark: #0f172a;
      --text-muted: #475569;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header & navigation */
    .navbar {
      background: white;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(2px);
      border-bottom: 1px solid var(--gray-border);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      padding: 1rem 0;
    }

    .logo h1 {
      font-size: 1.7rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      letter-spacing: -0.3px;
    }

    .logo span {
      font-size: 0.8rem;
      font-weight: 500;
      color: var(--text-muted);
      display: block;
    }

    .nav-links {
      display: flex;
      gap: 2rem;
      list-style: none;
    }

    .nav-links a {
      text-decoration: none;
      font-weight: 600;
      color: var(--text-dark);
      transition: 0.2s;
    }

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

    .mobile-menu-btn {
      display: none;
      font-size: 1.6rem;
      background: none;
      border: none;
      cursor: pointer;
      color: var(--primary-dark);
    }

    /* Hero section */
    .hero {
      background: linear-gradient(120deg, #f4fbf7 0%, #ffffff 100%);
      padding: 4rem 0 5rem 0;
      border-bottom: 1px solid var(--gray-border);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.2;
      color: var(--primary-dark);
      margin-bottom: 1.2rem;
    }

    .hero-title span {
      color: var(--accent);
    }

    .hero-sub {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 2rem;
    }

    .btn-group {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--primary);
      color: white;
      border: none;
      padding: 0.9rem 2rem;
      border-radius: 40px;
      font-weight: 600;
      cursor: pointer;
      transition: 0.2s;
      text-decoration: none;
      display: inline-block;
    }

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

    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      padding: 0.9rem 2rem;
      border-radius: 40px;
      font-weight: 600;
      text-decoration: none;
      transition: 0.2s;
    }

    .btn-outline:hover {
      background: var(--primary-light);
    }

    .hero-stats {
      display: flex;
      gap: 2rem;
      margin-top: 2rem;
    }

    .stat {
      font-weight: 700;
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
    }

    .hero-img {
      background: linear-gradient(145deg, #e6f2ed, #ffffff);
      border-radius: 2rem;
      padding: 1.5rem;
      text-align: center;
      box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.08);
    }

    .hero-img i {
      font-size: 8rem;
      color: var(--primary);
    }

    .about-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 3rem;
      flex-wrap: wrap;
    }

    .about-content {
      flex: 1;
      min-width: 300px;
    }

    .about-logo {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .about-logo img {
      max-width: 420px;
      width: 100%;
      opacity: 0.12;
      /* translucent effect */
      filter: grayscale(10%);
      transition: 0.3s ease;
    }

    .about-logo img:hover {
      opacity: 0.2;
    }

    @media(max-width:800px) {
      .about-wrapper {
        flex-direction: column;
      }

      .about-logo img {
        max-width: 280px;
      }
    }

    /* section headings */
    .section-heading {
      text-align: center;
      margin-bottom: 3rem;
    }

    .section-heading h2 {
      font-size: 2.3rem;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .section-heading p {
      color: var(--text-muted);
      max-width: 700px;
      margin: 0.8rem auto 0;
    }

    /* cards & grids */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      margin: 2rem 0;
    }

    .product-card {
      background: white;
      border-radius: 1.5rem;
      padding: 1.8rem;
      box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
      transition: all 0.25s;
      border: 1px solid var(--gray-border);
    }

    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.1);
      border-color: var(--primary-light);
    }

    .product-icon {
      font-size: 2.5rem;
      color: var(--primary);
      margin-bottom: 1rem;
    }

    .product-card h3 {
      font-size: 1.5rem;
      margin-bottom: 0.75rem;
    }

    .badge {
      background: var(--primary-light);
      color: var(--primary-dark);
      padding: 0.2rem 0.7rem;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
      margin: 0.5rem 0;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 2rem;
      margin: 2rem 0;
    }

    .feature-item {
      background: var(--gray-light);
      padding: 1.5rem;
      border-radius: 1.2rem;
      text-align: center;
    }

    .feature-item i {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 1rem;
    }

    .specs-table {
      background: white;
      border-radius: 1.5rem;
      overflow-x: auto;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
      border: 1px solid var(--gray-border);
    }

    table {
      width: 100%;
      border-collapse: collapse;
    }

    th,
    td {
      text-align: left;
      padding: 1rem 1.2rem;
      border-bottom: 1px solid var(--gray-border);
    }

    th {
      background-color: var(--primary-light);
      font-weight: 700;
      color: var(--primary-dark);
    }

    .director-card {
      background: var(--gray-light);
      border-left: 5px solid var(--accent);
      padding: 1.8rem;
      border-radius: 1.2rem;
      margin: 2rem 0;
    }

    /* contact */
    .contact-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
      background: var(--gray-light);
      border-radius: 2rem;
      padding: 2rem;
    }

    .form-group {
      margin-bottom: 1rem;
    }

    input,
    textarea {
      width: 100%;
      padding: 0.8rem 1rem;
      border-radius: 1rem;
      border: 1px solid var(--gray-border);
      font-family: inherit;
    }

    footer {
      background: #0f2c24;
      color: #ccdfda;
      padding: 2rem 0;
      margin-top: 4rem;
    }

    .footer-content {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1.5rem;
    }

    @media (max-width: 800px) {

      .hero-grid,
      .contact-wrap {
        grid-template-columns: 1fr;
      }

      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: white;
        padding: 1rem 0;
      }

      .nav-links.show {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero-title {
        font-size: 2.2rem;
      }
    }