/* ===== Grade de botões da seção features ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 25px;
    margin: 0 auto;
    max-width: 1000px;
  }
  
  /* ===== Botão estilo card ===== */
  .feature-btn {
    background: #161b22;
    border-radius: 14px;
    padding: 25px 20px;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 0 12px rgba(0, 180, 255, 0.1);
    transition: all 0.3s ease-in-out;
    border: 1px solid rgba(0, 180, 255, 0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .feature-btn:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.4);
    border-color: rgba(0, 180, 255, 0.5);
    background: #0e141b;
  }
  
  .feature-btn i {
    font-size: 2rem;
    color: #00b4ff;
    margin-bottom: 12px;
    transition: color 0.3s ease;
  }
  
  .feature-btn:hover i {
    color: #33ccff;
  }
  
  .feature-btn h5 {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1.1rem;
  }
  
  .feature-btn p {
    font-size: 0.9rem;
    color: #ccc;
    margin: 0;
  }
  
  /* ===== Título e subtítulo da seção ===== */
  #features h2 {
    font-size: 1.8rem;
    text-shadow: 0 0 8px rgba(0, 180, 255, 0.4);
  }
  
  #features p.text-muted {
    font-size: 1.05rem;
  }