/* Seção Concentradores - Refatorada */
#concentradores {
    background-color: #0D1320;
    color: #ffffff;
}

.concentradores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.concentrador-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.concentrador-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
    border-color: rgba(220, 38, 38, 0.3);
}

.concentrador-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

.concentrador-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    max-width: 100%;
    max-height: 100%;
}

.concentrador-card:hover .concentrador-image img {
    transform: scale(1.05);
}

.concentrador-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.concentrador-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.concentrador-description {
    font-size: 1rem;
    line-height: 1.6;
    color: #e0e0e0;
    margin: 0;
}

.concentrador-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 8px;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    font-size: 0.9rem;
}

.spec-item i {
    font-size: 1.2rem;
    background: linear-gradient(135deg, #dc2626 0%, #f87171 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.spec-item span {
    color: #cbd5e1;
}

.spec-item strong {
    color: #ffffff;
    font-weight: 600;
}

/* Responsividade */
@media (max-width: 768px) {
    .concentradores-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .concentrador-image {
        height: 260px;
        padding: 16px;
    }

    .concentrador-content {
        padding: 24px;
    }

    .concentrador-specs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .concentrador-image {
        height: 220px;
        padding: 12px;
    }

    .concentrador-title {
        font-size: 1.3rem;
    }
}