:root {
    --gray: #808080;
    --gold: #D4AF37;
    --white: #ffffff;
    --gray-text: #6c757d;
  }

  #diferenciais {
    padding: 4rem 0;
    background: var(--white);
  }

 .diferencial-card.center-card {
    background: url('../images/gestao-riscos-2.jpg') center/cover no-repeat;
    position: relative;
    color: #fff;               /* texto branco para contraste */
    min-height: 320px;         /* garanta altura mínima */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow: hidden;
  }
  /* Overlay semitransparente para melhorar legibilidade */
  .diferencial-card.center-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
  }
  /* Conteúdo real acima do overlay */
  .diferencial-card.center-card .card-content {
    position: relative;
    z-index: 1;
    text-align: center;
  }
  .diferencial-card.center-card .diferencial-title {
    color: #fff;
    margin-bottom: 0.5rem;
  }
  .diferencial-card.center-card .diferencial-desc {
    color: #f1f1f1;
    font-size: 0.95rem;
    line-height: 1.4;
  }

  /* Grid 3x2, centro ocupando as duas linhas */
  .diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 2rem;
    align-items: stretch;
  }

  .diferenciais-grid .center-card {
    grid-row: 1 / span 2;
  }

  /* Cards básicos */
  .diferencial-card {
    background: var(--white);
    border: 2px solid var(--gold);
    border-radius: 0.75rem;
    padding: 2rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: background-color 0.3s;
  }


  .icon-diferencial {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 1rem;
    transition: color 0.3s;
  }
  .diferencial-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray);
    margin-bottom: 0.75rem;
    transition: color 0.3s;
  }
  .diferencial-desc {
    color: var(--gray-text);
    line-height: 1.5;
    font-size: 0.95rem;
    transition: color 0.3s;
    margin: 0;
  }

  @media (max-width: 767px) {
    .diferenciais-grid {
      grid-template-columns: 1fr;
      grid-template-rows: repeat(5, auto);
    }
    .diferenciais-grid .center-card {
      grid-column: 1
    }
  }

  .diferencial-card.center-card {
  position: relative;
}
.diferencial-card.center-card::before {
  z-index: 0;    
}

.diferencial-card.center-card .diferencial-title,
.diferencial-card.center-card .diferencial-desc {
  position: relative;
  z-index: 1;              
  color: #fff !important;   
}

.diferencial-card:not(.center-card):hover {
  background-color: var(--gray);
}

.diferencial-card:not(.center-card):hover .icon-diferencial,
.diferencial-card:not(.center-card):hover .diferencial-title,
.diferencial-card:not(.center-card):hover .diferencial-desc {
  color: #fff !important;
}