* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
a:link,
a:visited,
a:hover,
a:active {
  text-decoration: none;
}
    body {
      font-family: 'Helvetica Neue', sans-serif;
      background-color: #f9f9f9;
      color: #333;
      line-height: 1.6;
    }

    /* Navigation */
    header {
      background-color: #1a1a1a;
      padding: 1rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #fff;
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    header .logo {
      font-size: 1.5rem;
      font-weight: bold;
    }

    nav a {
      color: #fff;
      text-decoration: none;
      margin-left: 1.5rem;
      font-weight: 500;
      transition: color 0.3s;
    }

    nav a:hover {
      color: #00aced;
    }

    /* Banner */
    .banner {
      background: url('https://source.unsplash.com/1600x600/?tech,innovation') no-repeat center center/cover;
      height: 60vh;
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: white;
    }

    .banner h1 {
      font-size: 3rem;
      background-color: rgba(0, 0, 0, 0.5);
      padding: 1rem 2rem;
      border-radius: 8px;
    }

    /* Section Styles */
    section {
      padding: 4rem 2rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    section h2 {
      text-align: center;
      margin-bottom: 2rem;
      font-size: 2rem;
      color: #222;
    }

    /* Products & News */
    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
    }

    .card {
      background: #fff;
      border-radius: 10px;
      padding: 1rem;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      transition: transform 0.3s ease;
    }

    .card:hover {
      transform: translateY(-5px);
    }

    .card img {
      width: 100%;
      border-radius: 10px;
      margin-bottom: 1rem;
    }

    .card h3 {
      margin-bottom: 0.5rem;
      font-size: 1.25rem;
    }

    .card p {
      color: #666;
    }

    /* Footer */
    footer {
      background-color: #1a1a1a;
      color: white;
      text-align: center;
      padding: 2rem;
      margin-top: 2rem;
    }

    /* Responsive Nav */
    @media (max-width: 768px) {
      header {
        flex-direction: column;
        align-items: flex-start;
      }

      nav {
        margin-top: 1rem;
      }

      nav a {
        display: inline-block;
        margin: 0.5rem 0;
      }

      .banner h1 {
        font-size: 2rem;
        padding: 1rem;
      }
    }