/* --- CONTEÚDO --- */
main {
    max-width: 1200px;
    margin: 30px auto 60px;
    padding: 0 20px;
    width: 100%;
}

.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 30px 0 20px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    color: var(--text-main);
}

/* --- GRID --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

/* --- CARDS --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius, 16px);
    padding: 24px 20px;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition, all 0.3s ease);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card:not(.disabled):hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.card h3 {
    margin: 0 0 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.25;
}

.card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

/* CTA (Botão Interno) */
.cta {
    background: var(--bg-secondary);
    color: var(--text-main);
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    text-align: center;
    transition: var(--transition, all 0.3s ease);
    border: 1px solid var(--border);
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card:not(.disabled):hover .cta {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* DISABLED */
.card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(0.8);
}
.card.disabled .cta {
    background: transparent;
    color: var(--text-muted);
}

/* --- BACK BUTTON STYLING --- */
.back-btn { 
    color: white; 
    text-decoration: none; 
    font-size: 1.5rem; 
    transition: 0.2s; 
}

@media (max-width: 600px) {
    main { 
        padding: 0 12px;
        margin-top: 15px; 
    }
    .section-title { 
        font-size: 1.3rem; 
        margin: 20px 0 14px;
    }
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 14px;
    }
    .card {
        padding: 18px 16px;
    }
}