body {
    font-family:Arial, Helvetica, sans-serif;
    margin: 0;
    background: #f4f4f5;
    color: #444;
}

/* Background image layer */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("./assets/office-seal.png");
    background-repeat: no-repeat;
    background-size: 1500px 1500px;
    background-position: center 30%;
    opacity: 0.10;
    pointer-events: none;
    z-index: -2;
}

/* Light overlay to keep text readable */
body::after{
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(247,247,248.0.92);
    pointer-events: none;
    z-index: -1;
}

main {
    max-width: 900px;
    margin: 4rem auto;
    padding: 0 1rem;
}

header {
    margin-bottom: 2rem;
    display: block;
    padding: 1.5rem;
    background: #faf3e1;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    border: 1px solid #e5e7eb;
}

.tool-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.tool-card {
    display: block;
    padding: 1.5rem;
    background: #faf3e1;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    border: 1px solid #e5e7eb;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .08);
}