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

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #333;
  color: white;
  padding: 1rem;
}

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

.burger-menu {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.burger-menu .line {
  width: 25px;
  height: 3px;
  background-color: white;
  margin: 4px;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
}

main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px;
}

.tool {
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
}

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

.tool h2 {
  margin: 10px 0;
  font-size: 1.5rem;
}

.tool p {
  font-size: 1rem;
  margin-bottom: 15px;
}

.tool-link {
  display: inline-block;
  padding: 10px 20px;
  background-color: #333;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.tool-link:hover {
  background-color: #555;
}

@media (max-width: 768px) {
  .burger-menu {
      display: flex;
  }

  .nav-links {
      display: none;
      flex-direction: column;
      background-color: #333;
      position: absolute;
      top: 60px;
      right: 0;
      width: 100%;
      text-align: center;
  }

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

  main {
      grid-template-columns: 1fr;
  }
}