body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f2f2f2;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" fill="none" stroke="%23ddd"><rect width="40" height="40" fill="white"/><path d="M0 0L40 40M40 0L0 40" stroke-width="0.5"/></svg>');
  background-repeat: repeat;
  background-size: 40px 40px;
}

nav {
  background-color: #2c2c2c;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: purple;
  cursor: pointer;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.menu a,
.dropdown > button {
  background-color: #5c9ded;
  color: white;
  padding: 10px 16px;
  text-decoration: none;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.menu a:hover,
.dropdown-content a:hover,
.submenu:hover {
  background-color: #3c7ac9;
}

.dropdown {
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  min-width: 200px;
  box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
  border-radius: 5px;
  z-index: 10;
}

.dropdown-content a {
  color: #333;
  padding: 10px 16px;
  text-decoration: none;
  display: block;
}

.dropdown.show > .dropdown-content {
  display: block;
}

.submenu {
  background-color: #5c9ded;
  color: white;
  padding: 10px 16px;
  text-decoration: none;
  display: block;
  border-radius: 5px;
  cursor: pointer;
}

.dropdown-content .dropdown {
  position: relative;
}

.dropdown-content .nested {
  top: 0;
  left: 100%;
  position: absolute;
  display: none;
  background-color: white;
  min-width: 200px;
  box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
  border-radius: 5px;
}

.dropdown-content .dropdown:hover .nested {
  display: block;
}

@media (max-width: 768px) {
  .menu {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 10px;
  }

  .menu.show {
    display: flex;
  }

  .hamburger {
    display: block;
  }

  .dropdown-content {
    position: static;
    box-shadow: none;
    width: 100%;
  }

  .dropdown-content .nested {
    position: static;
    box-shadow: none;
    margin-left: 0;
  }

  .dropdown-content .dropdown:hover .nested {
    display: block;
  }
}

.container {
  border: 2px solid #444;
  margin: 20px auto;
  padding: 20px;
  background: white;
  max-width: 1000px;
}

.header {
  text-align: center;
}

.header img {
  width: 150px;
}

.welcome {
  text-align: center;
  font-size: 1.5em;
  margin: 30px 0;
}

.products {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.product {
  border: 2px solid #ccc;
  border-radius: 10px;
  padding: 20px;
  width: 400px;
  background-color: #eaf2ff;
  text-align: center;
  margin: 10px;
}

.product img {
  width: 100%;
  border-radius: 10px;
}

.price {
  font-size: 1.2em;
  font-weight: bold;
  color: #333;
  margin: 10px 0;
}

.order-button {
  display: inline-block;
  padding: 10px 20px;
  background-color: #5c9ded;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.about {
  padding: 20px;
  background-color: #f9f9f9;
  margin: 20px auto;
  border: 1px solid #ddd;
  max-width: 800px;
}

.vpn-banner {
  margin: 40px 0;
  text-align: center;
}

.vpn-banner img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

footer {
  text-align: center;
  padding: 15px;
  background-color: #222;
  color: white;
}

footer a {
  color: #66ccff;
  text-decoration: none;
}