@media only screen and (min-width: 0rem) {
    #classes-page {
        padding: 3rem 2rem;
        max-width: 62rem;
        margin: 0 auto;
        background-color: #fff;
    }

    .classes-header {
        text-align: center;
        margin-bottom: 2.5rem;
    }

    #classes-page h1 {
        font-size: 2.2rem;
        font-weight: 800;
        color: #1a1a2e;
        margin-bottom: 1rem;
    }

    .classes-intro {
        font-size: 1.15rem;
        line-height: 1.6;
        color: #555;
        max-width: 40rem;
        margin: 0 auto;
    }

    /* ─── Category Grid ─── */
    .categories-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1.25rem;
    }

    .category-card {
        background: #fff;
        border: 1px solid #e2e2e2;
        border-radius: 12px;
        padding: 1.75rem 1.5rem;
        text-decoration: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        transition: transform 0.2s ease, box-shadow 0.25s ease, border-color 0.2s ease;
    }

    .category-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(69, 43, 131, 0.12);
        border-color: var(--secondary);
        text-decoration: none;
    }

    .category-emoji {
        font-size: 2.5rem;
        margin-bottom: 0.75rem;
        display: block;
    }

    .category-card h2 {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--secondary);
        margin: 0 0 0.5rem 0;
    }

    .category-card p {
        font-size: 0.95rem;
        line-height: 1.5;
        color: #666;
        margin: 0;
    }
}

@media only screen and (max-width: 63.9375rem) {
    #classes-page {
        padding: 2rem 1.25rem;
    }

    #classes-page h1 {
        font-size: 1.75rem;
    }

    .classes-intro {
        font-size: 1.05rem;
    }

    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .category-card {
        padding: 1.25rem 1rem;
    }

    .category-emoji {
        font-size: 2rem;
    }

    .category-card h2 {
        font-size: 1.15rem;
    }
}