/* --- HERO SECTION --- */
.hero {
    max-width: 900px;
    margin: 60px auto 40px;
    text-align: center;
    padding: 0 20px;
}

.hero h2 {
    font-size: 2.8rem;
    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: 1.2rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto;
}

/* --- GRID DE SISTEMAS --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto 80px;
    padding: 0 24px;
}

/* --- CARDS --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card:not(.disabled):hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--accent);
}

.card-icon {
    width: 100px;
    height: 100px;
    background: var(--bg-secondary);
    border-radius: 50%;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.card:not(.disabled):hover .card-icon {
    background: var(--accent-soft);
    transform: scale(1.1);
}

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

.card h3 {
    margin: 0 0 12px;
    font-size: 1.5rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

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

.card p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    flex-grow: 1;
}

/* BOTÃO DENTRO DO CARD (CTA) */
.cta {
    background: var(--accent);
    color: #FFF;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
    width: 100%;
    text-align: center;
}

.card:not(.disabled):hover .cta {
    filter: brightness(1.1);
    box-shadow: 0 10px 20px var(--accent-soft);
}

/* ESTADO DESATIVADO */
.card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}
.card.disabled .cta {
    background: #94A3B8;
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 768px) {
    .hero h2 { font-size: 2.2rem; }
    .grid { grid-template-columns: 1fr; }
    header { flex-direction: column; gap: 15px; padding: 1.5rem; }
    .btn-theme { width: 100%; }
}