.page-header {
    text-align: center;
    margin: 40px 0 30px;
}

    .page-header img {
        height: 50px;
        margin-bottom: 10px;
    }

    .page-header h1 {
        color: #111;
        font-weight: 700;
    }

    .page-header p {
        color: #555;
    }

.tool-card {
    border: none;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease-in-out;
}

    .tool-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    }

.tool-icon {
    font-size: 42px;
    color: #009688;
    margin-bottom: 14px;
}

.card-title {
    font-weight: 600;
    font-size: 1.15rem;
    color: #222;
}

.btn-tool {
    border-radius: 50px;
    padding: 8px 22px;
    font-weight: 500;
    background: linear-gradient(135deg, #009688, #00796b);
    border: none;
    color: #fff;
}

    .btn-tool:hover {
        background: linear-gradient(135deg, #00796b, #004d40);
        color: #fff;
    }