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

body {
  font-family: 'Roboto', sans-serif;
  background-color: #f7f7f7;
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  background-color: #ffcd00;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 3em;
  color: #fff;
}

.tool-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); /* Auto responsive grid */
  gap: 20px;
  padding: 20px;
}

.card {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
}

.card:hover {
  background-color: #e1f5fe;
}

.card img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #ffcd00;
}

button {
  background-color: #28a745;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

/* Media Queries */
@media (max-width: 768px) {
  h1 {
    font-size: 2em;
  }

  .tool-cards {
    grid-template-columns: 1fr 1fr; /* 2 columns layout for tablets and smaller devices */
  }

  .card {
    padding: 15px;
  }

  footer {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5em;
  }

  .tool-cards {
    grid-template-columns: 1fr; /* Single column layout for small screens */
  }

  .card {
    padding: 10px;
  }

  footer {
    padding: 10px;
  }

  button {
    padding: 8px 16px;
  }
}