/* --- HERO SECTION --- */
.hero {
    max-width: 900px;
    margin: 50px auto 30px;
    text-align: center;
    padding: 0 20px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -1px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
}

/* --- GRID DE SISTEMAS --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto 60px;
    padding: 0 20px;
}

/* --- CARDS --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius, 16px);
    padding: 32px 24px;
    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;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card:not(.disabled):hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 35px rgba(0, 0, 0, 0.08);
    border-color: var(--accent);
}

.card-icon {
    width: 110px;
    height: 110px;
    background: var(--bg-secondary, rgba(0,0,0,0.03));
    border-radius: 50%;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition, all 0.3s ease);
}

.card:not(.disabled):hover .card-icon {
    background: var(--accent-soft);
    transform: scale(1.08);
}

.card-icon img {
    width: 65%;
    height: 65%;
    object-fit: contain;
}

.card h3 {
    margin: 0 0 10px;
    font-size: 1.35rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.card:not(.disabled):hover h3 {
    color: var(--accent);
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-grow: 1;
}

/* BOTÃO DENTRO DO CARD (CTA) */
.cta {
    background: var(--accent);
    color: #FFF;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.88rem;
    transition: var(--transition, all 0.3s ease);
    width: 100%;
    text-align: center;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card:not(.disabled):hover .cta {
    filter: brightness(1.08);
    box-shadow: 0 8px 18px var(--accent-soft);
}

/* ESTADO DESATIVADO */
.card.disabled {
    opacity: 0.55;
    cursor: not-allowed;
    filter: grayscale(0.8);
}
.card.disabled .cta {
    background: #94A3B8;
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 768px) {
    .hero {
        margin: 30px auto 20px;
    }
    .hero h2 { 
        font-size: 2rem; 
    }
    .hero p {
        font-size: 0.98rem;
    }
    .grid { 
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 16px;
        padding: 0 14px;
        margin-bottom: 40px;
    }
    .card {
        padding: 24px 18px;
    }
    .card-icon {
        width: 90px;
        height: 90px;
        margin-bottom: 14px;
    }
}