*{margin: 0;
box-sizing: border-box;}
video{width: 100%;
position: fixed;
z-index: -1;}

.div1{font-size: 3em;
}
.div1 > a {
    color: whitesmoke;
    text-decoration: none;
 
}


#N{animation: maiusc infinite 5s;}
#I{animation: maiusc infinite 1s alternate-reverse;}
#C{animation: maiusc infinite 3s alternate}
#O{animation: maiusc infinite 2s alternate-reverse;}


@keyframes maiusc{
    from {text-transform: lowercase;}
    to{text-transform: uppercase;}
}

.cimadireita{
    nav-right: auto;
    height: 100%; 
    width: 100%; 
    inset: 0px; 
    color: transparent; 
  font-family: "Oswald"sans-serif;

   
}



.letraB{
text-decoration: none;
color: black;
font-size: 20px ;
font-family: "Oswald"sans-serif;

}

.quadradosec{
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 4%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 3%;
    flex-grow: 0;
    flex-shrink: 1;
    flex-basis: 32%;
    transition: 0.4s;
}
.quadradosec > h2{
    font-size: 18px;
    color: rgb(247, 245, 245);
    font-weight: 600;}

    .quadradosec > p{
        font-size: 14px;
        color: white;
        margin-top: 5%;}



        footer{
            height: 15vh;
            background-color: rgb(119, 119, 119);
            display: flex;
            align-items: center;
            margin-top: 17%;
        }
        .divfoot{
            width: 100%;
            display: flex;
            justify-content: space-around;
            flex-direction: row;
            padding-left: 10%;
        }
        .foot1{
            display: flex;
            flex-direction: column;
            text-align: left;
        }
        .foot1 > h2{
            color: #FFF;
            font-size: 18px;
        }
        .foot1 > p{
            color: #fffafa;
            font-size: 14px;
            margin-top: 10%;
        }
        
        .foot2{
            display: flex;
            flex-direction: column;
            text-align: left;
        }
        .foot2 > h2{
            color: #FFF;
            font-size: 18px;
        }
        .foot2 > p{
            color: #f0e9e9;
            font-size: 14px;
            margin-top: 10%;
            margin-bottom: 5%;
        }
        .input-btn{
            display: flex;
        }
        .input-btn > input{
            height: 5vh;
            width: 20vw;
        }
        .btn_env{
            display: flex;
            width: 13%;
            height: 4.95vh;
            background-color: #464544;
            margin-left: -1%;
            justify-content: center;
            align-items: center;
        }
        .bt_env > svg{
            height: 4vh;
        }
        
        .foot3{
            display: flex;
            flex-direction: column;
            text-align: left;
            padding-right: 15%;
        }
        .foot3 > h2{
            color: #FFF;
            font-size: 18px;
        }
        .foot3 > p{
            color: #777777;
            font-size: 14px;
            margin-top: 20%;
            margin-bottom: 10%;
        }
        @media (max-width: 768px) {
            .top-bar {
              flex-direction: column;
              gap: 15px;
              padding: 20px;
            }
          
            .product-details {
              flex-direction: column;
              gap: 20px;
            }
          
            .product-options {
              display: flex;
              justify-content: space-between;
            }
          
            .nav {
              flex-wrap: wrap;
              justify-content: center;
            }
          
            .buttons {
              flex-direction: column;
              gap: 10px;
            }
          
            .product-gallery img,
            .product-info {
              max-width: 100%;
            }
          
            .tabs {
              padding: 10px 0;
            }
          
            .tabs li {
              display: flex;
            }
          }
          
          @media (max-width: 480px) {
            .logo h1 {
              font-size: 1.5rem;
            }
          
            .nav a {
              font-size: 0.9rem;
            }
          
            .product-info h2 {
              font-size: 2rem;
            }
          
            .price {
              font-size: 1.5rem;
            }
          }