.portfolio-intro {
     background: linear-gradient(135deg, #1e1e2f, #0d47a1);
    color: white;
    text-align: center;
    padding: 100px 20px 60px;
  }
  
  .titulo-portfolio {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
  }
  
  .descricao-portfolio {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    color: #e3f2fd;
  }
  
  /* Responsivo */
  @media (max-width: 600px) {
    .titulo-portfolio {
      font-size: 28px;
    }
    .descricao-portfolio {
      font-size: 16px;
    }
  }
  

  .portfolio-grid {
    padding: 60px 20px;
    background-color: #f4f6f9;
    text-align: center;
  }
  
  .filtro {
    margin-bottom: 40px;
  }
  
  .filtro-btn {
    background: #e0e0e0;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
  }
  
  .filtro-btn.ativo,
  .filtro-btn:hover {
    background: #0d47a1;
    color: white;
  }
  
  .grid-projetos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
  }
  
  .projeto-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s;
  }
  
  .projeto-card img {
    width: 70%;
    height: 270px;
    display: block;
  }
  
  .projeto-card h3 {
    margin: 15px;
    font-size: 18px;
    color: #0d47a1;
  }
  
  .projeto-card:hover {
    transform: translateY(-5px);
  }
  
  .projeto-card {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  }
  
  .projeto-card img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
  }
  
  .projeto-card:hover img {
    transform: scale(1.1);
  }
  
  .info-card {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(13, 71, 161, 0.9), rgba(13, 71, 161, 0));
    color: white;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
    text-align: center;
  }
  
  .projeto-card:hover .info-card {
    transform: translateY(0);
  }
  
  .info-card h3 {
    margin-bottom: 10px;
    font-size: 18px;
  }
  
  .btn-ver {
    background: #ffffff;
    color: #0d47a1;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
  }
  
  .btn-ver:hover {
    background: #e3f2fd;
  }
  
  .clientes-feedback {
    background-color: #f4f6f9;
    padding: 60px 20px;
    text-align: center;
  }
  
  .titulo-feedback {
    font-size: 36px;
    margin-bottom: 40px;
    font-weight: bold;
    color: #0d47a1;
  }
  
  .feedback-carousel {
    display: flex;
    overflow: hidden;
    justify-content: center;
    position: relative;
  }
  
  .feedback-item {
    min-width: 300px;
    margin: 0 20px;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 20px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  
  .feedback-text {
    font-size: 18px;
    color: #333;
    font-style: italic;
  }
  
  .cliente-nome {
    margin-top: 20px;
    font-size: 20px;
    color: #0d47a1;
    font-weight: bold;
  }
  
  .cliente-cargo {
    font-size: 16px;
    color: #666;
  }
  
  .feedback-item:hover {
    transform: scale(1.05);
    opacity: 1;
  }
  
  .feedback-carousel {
    display: flex;
    justify-content: center;
    gap: 20px;
  }
  
  .carousel-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
  }
  
  .prev-btn, .next-btn {
    background-color: rgba(13, 71, 161, 0.7);
    color: white;
    border: none;
    padding: 15px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 50%;
    transition: 0.3s;
  }
  
  .prev-btn:hover, .next-btn:hover {
    background-color: rgba(13, 71, 161, 1);
  }
  
  /* Responsivo */
  @media (max-width: 600px) {
    .titulo-feedback {
      font-size: 28px;
    }
  
    .feedback-item {
      min-width: 250px;
      margin: 0 10px;
    }
  }
  
  @media (max-width: 1024px) {
    .feedback-item {
      min-width: 280px;
    }
  }
  
  @media (min-width: 1025px) {
    .feedback-item {
      min-width: 300px;
    }
  }
  
  .tecnologias-por-projeto {
    background: #f0f4f8;
    padding: 60px 20px;
    text-align: center;
  }
  
  .titulo-tecnologia {
    font-size: 36px;
    color: #0d47a1;
    font-weight: bold;
    margin-bottom: 40px;
  }
  
  .projetos-tecnologias-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
  }
  
  .card-projeto {
    background: white;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    padding: 20px;
    max-width: 300px;
    transition: transform 0.3s ease;
  }
  
  .card-projeto img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
  }
  
  .card-projeto h3 {
    font-size: 20px;
    color: #0d47a1;
    margin-bottom: 10px;
  }
  
  .tecnologias {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
  }
  
  .tech {
    background-color: #e3f2fd;
    color: #0d47a1;
    font-weight: bold;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 14px;
    transition: background 0.3s ease;
  }
  
  .tech:hover {
    background-color: #bbdefb;
    cursor: default;
  }
  
  .card-projeto:hover {
    transform: translateY(-5px);
  }
  
  /* Responsivo */
  @media (max-width: 768px) {
    .projetos-tecnologias-grid {
      flex-direction: column;
      align-items: center;
    }
  
    .card-projeto {
      width: 90%;
    }
  }
  

  .carta-apresentacao-img {
    background: linear-gradient(to right, #e3f2fd, #f9f9f9);
    padding: 80px 20px;
  }
  
  .carta-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    max-width: 1200px;
    margin: auto;
    flex-wrap: wrap;
  }
  
  .carta-texto {
    flex: 1;
    min-width: 300px;
  }
  
  .titulo-carta {
    font-size: 36px;
    color: #0d47a1;
    margin-bottom: 20px;
  }
  
  .carta-texto p {
    font-size: 18px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 16px;
  }
  
  .assinatura {
    font-style: italic;
    color: #0d47a1;
    margin-top: 20px;
  }
  
  .carta-imagem {
    flex: 1;
    min-width: 300px;
  }
  
  .carta-imagem img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    animation: fadeIn 1s ease-in-out;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: scale(0.95);
    }
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  /* Responsivo */
  @media (max-width: 768px) {
    .carta-container {
      flex-direction: column;
    }
  
    .titulo-carta {
      font-size: 28px;
    }
  
    .carta-texto p {
      font-size: 16px;
    }
  }
  