nav {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, #000000 0%, #2d2d2d 100%);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: all 0.3s ease;
  }

  nav.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  }

  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
  }

  .nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 1.5em;
    font-weight: 700;
  }

  .nav-logo img {
    width: 40px;
    height: 40px;
  }

  .nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
  }

  .nav-links a {
    color: #e0e0e0;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #818181, #e9e9e9);
    transition: all 0.3s ease;
    transform: translateX(-50%);
  }

  .nav-links a:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
  }

  .nav-links a:hover::after {
    width: 80%;
  }

  .nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
  }

  .nav-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    border-radius: 3px;
    transition: all 0.3s ease;
  } 
  footer {
    background-color: #0a0a0a;
    color: #b0b0b0;
    padding: 60px 20px 30px;
    font-size: 0.95em;
  }

  .footer-container {
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: left;
  }

  .footer-col h3 {
    color: #fff;
    margin-bottom: 25px;
    font-size: 1.3em;
    border-bottom: 2px solid #e9e9e9;
    padding-bottom: 10px;
    display: inline-block;
  }

  .footer-col p,
  .footer-col a {
    opacity: 0.85;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    display: block;
  }

  .footer-col a:hover {
    color: #fff;
    opacity: 1;
    padding-left: 5px;
  }

  .footer-col ul {
    list-style: none;
    padding: 0;
  }

  .footer-col ul li {
    margin-bottom: 12px;
  }

  .social-link {
    margin-top: 20px;
  }

  .social-link a {
    display: inline-block;
    margin-right: 15px;
    font-size: 1.6em;
    transition: all 0.3s ease;
  }

  .social-link a:hover {
    transform: translateY(-3px);
    color: #e9e9e9;
  }

  .footer-bottom {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #2d2d2d;
    font-size: 0.9em;
    opacity: 0.7;
  }

  .footer-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 25px 0 15px;
  }

  .footer-logos img {
    width: 45px;
    height: 45px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
  }

  .footer-logos img:hover {
    opacity: 1;
  }
  

  @media(max-width: 900px) {
    .nav-links {
      position: fixed;
      top: 70px;
      right: -100%;
      flex-direction: column;
      background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
      width: 70%;
      height: calc(100vh - 70px);
      padding: 40px 20px;
      gap: 20px;
      transition: right 0.4s ease;
      box-shadow: -5px 0 15px rgba(0,0,0,0.3);
    }

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

    .nav-toggle {
      display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
      transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
      transform: rotate(-45deg) translate(7px, -7px);
    }

    header h1 {
      font-size: 2.5em;
    }

    header h4 {
      font-size: 1.1em;
    }

    section {
      padding: 50px 15px;
    }

    section h2 {
      font-size: 2em;
    }

    .cta {
      width: 90%;
      font-size: 1.05em;
    }

    .footer-container {
      grid-template-columns: 1fr;
      text-align: center;
    }

    .footer-col h3 {
      width: 100%;
      text-align: center;
    }
  }

  @media(max-width: 480px) {
    header h1 {
      font-size: 2em;
    }

    section h2 {
      font-size: 1.7em;
    }
  }