body {
      font-family: 'Poppins', sans-serif;
      scroll-behavior: smooth;
    }

    /* NAVBAR */
    .navbar {
      background: transparent;
      transition: 0.4s;
    }

    .navbar.scrolled {
      background: rgba(0, 0, 0, 0.85);
      backdrop-filter: blur(10px);
    }

    .nav-link {
      color: #fff !important;
      font-weight: 500;
      transition: 0.3s;
    }

    .nav-link:hover {
      color: #00bcd4 !important;
    }

    /* HERO SECTION */
    .hero {
      height: 100vh;
      background: linear-gradient(135deg, #007bff, #00bcd4);
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      flex-direction: column;
    }

    .hero img {
      width: 140px;
      margin-bottom: 20px;
    }

    .hero h1 {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 15px;
    }

    .hero p {
      font-size: 1.1rem;
      max-width: 700px;
      margin: 0 auto 30px auto;
      line-height: 1.7;
    }

    .btn-main {
      background: #fff;
      color: #007bff;
      font-weight: 600;
      border-radius: 50px;
      padding: 12px 35px;
      transition: 0.3s;
    }

    .btn-main:hover {
      background: #0b1b3b;
      color: white;
      transform: translateY(-3px);
    }

    /* SECTIONS */
    section {
      padding: 100px 0;
    }

    #about {
      background: #f9fbfd;
    }

    #products {
      background: #fff;
    }

    #contact {
      background: linear-gradient(135deg, #007bff, #00bcd4);
      color: white;
    }

    footer {
      background: #0b1b3b;
      color: white;
      padding: 25px 0;
      text-align: center;
      font-size: 0.9rem;
    }

    .icon {
      font-size: 3rem;
      color: #00bcd4;
      margin-bottom: 15px;
    }

    @media (max-width: 768px) {
      .hero h1 { font-size: 2rem; }
    }