body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    margin: 0;
    padding: 0;
}

header {
    background: #007bff;
    color: #fff;
    text-align: center;
    padding: 25px;
    font-size: 32px;
    font-weight: bold;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
    text-align: center;
}

.category-title {
    font-size: 26px;
    margin-top: 40px;
    color: #222;
    border-bottom: 4px solid #007bff;
    padding-bottom: 10px;
    display: inline-block;
    text-transform: uppercase;
    transition: color 0.3s;
}

.category-title:hover {
    color: #0056b3;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.tool {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease-in-out, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.tool:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.tool h3 {
    margin: 0;
    color: #007bff;
    font-size: 22px;
}

.tool p {
    color: #444;
    font-size: 15px;
    margin: 12px 0;
}

.tool a {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    background: #007bff;
    padding: 10px 15px;
    border-radius: 6px;
    transition: background 0.3s;
}

.tool a:hover {
    background: #0056b3;
}

.contact {
    text-align: center;
    padding: 30px;
    background: #007bff;
    color: #fff;
    margin-top: 40px;
    font-size: 16px;
    font-weight: bold;
}

.contact a {
    color: #fff;
    text-decoration: underline;
}

.multi-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 10px;
    flex-wrap: wrap;
}
.multi-buttons a {
    background: #28a745;
    color: #fff;
    padding: 10px 14px;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.3s;
}
.multi-buttons a:hover {
    background: #218838;
}