body {
    margin: 0;
    background: #f5f7fa;
    font-family: Arial, Helvetica, sans-serif;
    color: #222;
}

.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 20px;
}

.hero {
    background: #0d6efd;
    color: white;
    padding: 45px;
    border-radius: 18px;
    margin-bottom: 30px;
}

.hero h1 {
    margin: 0 0 10px 0;
    font-size: 42px;
}

.hero p {
    margin: 0;
    font-size: 18px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.tool-card {
    display: block;
    background: white;
    padding: 28px;
    border-radius: 16px;
    text-decoration: none;
    color: #222;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    border-left: 6px solid #0d6efd;
}

.tool-card:hover {
    transform: translateY(-3px);
}

.tool-card h2 {
    margin-top: 0;
}

.tool-card span {
    display: inline-block;
    margin-top: 15px;
    font-weight: bold;
    color: #0d6efd;
}

.tool-card.disabled {
    opacity: 0.55;
    border-left-color: #999;
}

.tool-icon {
    font-size: 42px;
    margin-bottom: 15px;
}