/* Reset básico */
 * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: Arial, sans-serif;
    background: #000000;
    color: #fff;
    line-height: 1.6;
  }

  /* ====== Loader ====== */
  #loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #121212;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    z-index: 9999;
    overflow: hidden;
  }
  /* A barra de progresso que se expande de cima para baixo */
  #loader-bar {
    background: #1a1c1d;
    width: 100%;
    height: 0;
    position: absolute;
    top: 0;
    left: 0;
    transition: height 0.2s ease-out;
  }
  /* Exibe a porcentagem no centro da tela */
  #loader-percentage {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2em;
    color: #fff;
  }

  /* ====== Menu ====== */
  #logo-dev{
    color: rgb(35, 115, 219);
  }

  nav {
    background: #070505;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    position: relative;
    z-index: 2;
  }

  nav .logo {
    font-size: 1.7em;
    font-weight: bold;
  }
  nav ul {
    list-style: none;
    display: flex;
    transition: max-height 0.3s ease-out;
  }
  nav ul li {
    margin-left: 20px;
  }
  nav ul li a {
    text-decoration: none;
    color: #fff;
    font-size: 1.5em;
    padding: 8px;
    transition: background 0.3s;
  }
  /* nav ul li a:hover {
    background: #555;
    border-radius: 4px;
  } */
  .menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
  }
  .menu-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 4px 0;
    transition: all 0.3s;
  }
  @media (max-width: 768px) {
    nav ul {
      position: absolute;
      top: 60px;
      left: 0;
      right: 0;
      background: #333;
      flex-direction: column;
      overflow: hidden;
      max-height: 0;
    }
    nav ul li {
      margin: auto;
      text-align: center;
    }
    .menu-toggle {
      display: flex;
    }
    nav ul.show {
      max-height: 300px;
    }
  }


  /* adaptação de
   https://uiverse.io/Cornerstone-04/bitter-impala-54 */

  .box {
   
    height: auto;
    float: left;
    transition: .5s linear;
    position: relative;
    display: flex;
    overflow: hidden;
    text-align: center;
    margin: 0 5px;
    background: transparent;
    
    
  }
  
  .box:before {
    position: absolute;
    content: '';
    left: 0;
    bottom: 0;
    height: 4px;
    width: 100%;
    border-bottom: 4px solid transparent;
    border-left: 4px solid transparent;
    box-sizing: border-box;
    transform: translateX(100%);
  }
  
  .box:after {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    border-top: 4px solid transparent;
    border-right: 4px solid transparent;
    box-sizing: border-box;
    transform: translateX(-100%);
  }
  
  .box:hover {
    box-shadow: 0 5px 15px rgba(40, 77, 146, 0.616);
  }
  
  .box:hover:before {
    border-color: #221effc9;
    height: 100%;
    transform: translateX(0);
    transition: .3s transform linear, .3s height linear .3s;
  }
  
  .box:hover:after {
    border-color: #6bc8e4;
    height: 100%;
    transform: translateX(0);
    transition: .3s transform linear, .3s height linear .5s;
  }



  /* header */

  header {
    background: #000000;
    padding: 20px;
    text-align: center;
  }
  header h1 {
    font-size: 2em;
  }


    /* Ícones das tecnologias */
    .tech-icons {
      margin-bottom: 15px;
    }
    .tech-icons i {
      font-size: 1.5em;
      margin-right: 10px;
      transition: transform 0.3s ease;
      color: rgb(255, 255, 255);
    }
    .tech-icons i:hover {
      transform: scale(1.2);
    }