   * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }
      body {
        font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
        background: #f9f9f9;
        color: #222;
        line-height: 1.5;
      }
      a {
        color: inherit;
        text-decoration: none;
      }
      a:hover {
        text-decoration: underline;
      }
      header {
        background: #1b3a2c; /* verde musgo */
        color: white;
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
      }
      header .logo {
        font-weight: 700;
        font-size: 1.3rem;
      }
      nav a {
        margin-left: 25px;
        font-weight: 600;
        transition: color 0.3s;
      }
      nav a:hover {
        color: #e63946; /* vermelho */
      }
      main {
        padding-top: 80px;
      }
      /* Banner */
      .banner {
        background: url("") center/cover no-repeat;
        background-color: #000;
        color: white;
        text-align: center;
        padding: 80px 20px;
      }
      .banner img {
        max-width: 300px;
        width: 100%;
        height: auto;
        margin-bottom: 20px;
      }
      .banner h1 {
        font-size: 2.8rem;
        margin-bottom: 10px;
        text-shadow: 1px 1px 5px #000;
      }
      .banner p {
        font-size: 1.25rem;
        font-weight: 600;
        text-shadow: 1px 1px 5px #000;
      }
      /* Categorias */
      .categorias {
        display: flex;
        justify-content: center;
        gap: 30px;
        padding: 40px 10px;
        flex-wrap: wrap;
        background: #1b3a2c;
      }
      .categoria {
        background: #2e573f;
        color: white;
        flex: 1 1 160px;
        max-width: 180px;
        border-radius: 8px;
        text-align: center;
        padding: 25px 10px;
        cursor: pointer;
        transition: background 0.3s;
      }
      .categoria:hover {
        background: #e63946;
      }
      .categoria h3 {
        margin-bottom: 8px;
        font-size: 1.2rem;
      }
      /* Produtos */
      .produtos {
        max-width: 1200px;
        margin: 40px auto;
        padding: 0 15px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
      }
      .produto-card {
        background: white;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgb(0 0 0 / 0.15);
        display: flex;
        flex-direction: column;
        transition: transform 0.3s;
      }
      .produto-card:hover {
        transform: scale(1.05);
      }
      .produto-card img {
        width: 100%;
        height: 400px;
        object-fit: cover;
        background: #ddd;
      }
      .produto-info {
        padding: 15px 20px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
      }
      .produto-info h4 {
        margin-bottom: 10px;
        color: #1b3a2c;
      }
      .produto-info p {
        flex-grow: 1;
        font-size: 0.9rem;
        color: #555;
        margin-bottom: 15px;
      }
      .btn-whatsapp {
        background: #25d366;
        color: white;
        font-weight: 600;
        border: none;
        border-radius: 6px;
        padding: 10px;
        text-align: center;
        cursor: pointer;
        transition: background 0.3s;
        user-select: none;
      }
      .btn-whatsapp:hover {
        background: #1ebe57;
      }

    .whatsapp-float-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    z-index: 1000;
    transition: background-color 0.3s ease;
  }
  .whatsapp-float-btn:hover {
    background-color: #1ebe57;
      /* Marcas */
  }
      .marcas-section {
        background: #f0f0f0;
        padding: 40px 20px;
        text-align: center;
      }
      .marcas-section h2 {
        margin-bottom: 30px;
        color: #1b3a2c;
      }
      .marcas-logos {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 30px;
      }
      .marcas-logos img {
        max-height: 100px;
        filter: grayscale(100%);
        opacity: 0.7;
        transition: opacity 0.3s, filter 0.3s;
      }
      .marcas-logos img:hover {
        filter: none;
        opacity: 1;
      }
      /* Contato */
      .contato-section {
        max-width: 900px;
        margin: 40px auto;
        padding: 0 20px 40px;
      }
      .contato-section h2 {
        text-align: center;
        margin-bottom: 25px;
        color: #1b3a2c;
      }
      .contato-info {
        display: flex;
        flex-wrap: wrap;
        gap: 30px;
        justify-content: center;
      }
      .contato-info div {
        flex: 1 1 250px;
        background: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 2px 8px rgb(0 0 0 / 0.1);
      }
      .contato-info h3 {
        margin-bottom: 15px;
        color: #1b3a2c;
      }
      .contato-info p {
        margin-bottom: 10px;
        font-size: 0.95rem;
      }
      iframe {
        width: 100%;
        border: none;
        height: 200px;
        border-radius: 10px;
      }
      /* Footer */
      footer {
        background: #1b3a2c;
        color: white;
        text-align: center;
        padding: 20px 15px;
        font-size: 0.9rem;
      }
      /* Responsive fixes */
      @media (max-width: 600px) {
        nav a {
          margin-left: 10px;
          font-size: 0.9rem;
        }
        .categorias {
          gap: 15px;
        }
      }