/* Base page styling */
body {
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
    background-color: #f9fafb; /* subtle light background */
    color: #111827; /* strong dark text */
    line-height: 1.6;
    font-size: 16px;
    margin: 0;
}

/* Header Styling */
h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 0.75rem;
    color: #1f2937; /* deep gray */
    letter-spacing: -0.025em;
}

/* Paragraph Styling */
p {
    color: rgb(107, 114, 128); /* slate gray */
    font-size: 1rem;
    margin-bottom: 10px;
    margin-top: 5px;
}

/* Card Component */
.card {
    max-width: 620px;
    margin: 2rem auto;
    padding: 1.5rem;
    border: 1px solid #e5e7eb; /* soft border */
    border-radius: 16px;
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05),
                0 1px 2px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

/* Last Paragraph in Card: remove bottom margin */
.card p:last-child {
    margin-bottom: 0;
}

/* Hover effect on card */
.card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.08),
                0 10px 15px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 640px) {
    body {
        padding: 1rem;
    }

    .card {
        padding: 1rem;
        border-radius: 12px;
    }

    h1 {
        font-size: 1.5rem;
    }

    p {
        font-size: 0.95rem;
    }
}