.change {
    cursor: pointer;
    perspective: 210px;
    padding-top: 60px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-change {

    --btn-height: 200px;
    --half-btn-height: calc(var(--btn-height) / 2);
    text-align: center;
    height: var(--btn-height);
    width: 320px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s ease-in-out;
    transform: translateZ(calc(-1 * var(--half-btn-height)));
}

.btn-change:hover {
    transform: rotateX(-90deg) translateY(var(--half-btn-height));
}

.side {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 45px;
    backface-visibility: hidden;
}

.default-side {

    background-color: var(--scarlet);
    color: var(--blue);
    transform: translateZ(var(--half-btn-height));

}

.hover-side {
    color: blue;
    background-color: gold;
    transform: rotateX(90deg) translateZ(var(--half-btn-height));
}

.logros {
    margin-top: 50px;
}

.container {
    background-color: transparent;
    backdrop-filter: blur(30px);
    margin: 30px auto;
    border-radius: 20px;
    padding: 10px 20px;
    border: 2px;
    width: 220px;
    box-shadow: 10px 10px 20px black;
    transition: all 0.3s ease-out;
}

@media screen and (min-width: 420px) {
    .container {
        width: 280px;
    }
}

@media screen and (min-width: 520px) {
    .container {
        width: 360px;
    }
}

@media screen and (min-width: 650px) {
    .container {
        width: 440px;
    }
}

@media screen and (min-width: 800px) {
    .container {
        width: 500px;
    }
}

@media screen and (min-width: 1100px) {
    .container {
        width: 700px;
    }
}

.container:hover {
    border: 3px;
    box-shadow: 0px 35px 40px black;
    transform: translateY(-7%);
}

.step {
    text-align: center;
}

.step h1 {
    font-size: 40px;
    color: blue;
    margin-top: 15px;
}

.step h2 {
    font-size: 28px;
    margin-top: 15px;
    margin-bottom: 10px;
    color: gold;
}

@media screen and (min-width: 620px) {
    .container .step h2 {
        font-size: 35px;
    }
}

@media screen and (min-width: 999px) {
    .container .step h2 {
        font-size: 40px;
    }
}

.step h3 {
    color: rgb(112, 4, 4);
    font-size: 30px;
    margin-bottom: 15px;
    margin-top: 10px;
}

@media screen and (min-width: 650px) {
    .container .step h3 {
        font-size: 32px;
    }
}

@media screen and (min-width: 999px) {
    .container .step h3 {
        font-size: 38px;
    }
}

.step a {
    color: var(--scarlet);
    font-size: 20px;
}

@media screen and (min-width: 620px) {
    .container .step a {
        font-size: 30px;
    }
}

@media screen and (min-width: 999px) {
    .container .step a {
        font-size: 42px;
    }
}

.container .step img {
  width: 140px;
  height: 110px;
  margin-top: 5px;
}

.proyects {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 80px;
    margin-bottom: 30px;
    margin-left: 30px;
    margin-right: 30px;
  }
  @media (min-width: 510px) {
    .proyects  {
      margin-left: 50px;
      margin-right: 50px;
    }
  }
    @media (min-width: 600px) {
    .proyects  {
      margin-left: 70px;
      margin-right: 70px;
    }
  }
    @media (min-width: 750px) {
    .proyects  {
      margin-left: 90px;
      margin-right: 90px;
    }
  }
  @media (min-width: 900px) {
    .proyects  {
      margin-left: 120px;
      margin-right: 120px;
    }
  }
  @media (min-width: 1024px) {
    .proyects  {
      margin-left: 180px;
      margin-right: 180px;
    }
  }
  
  .proyects .proyect {
    flex: 0 0 calc(25% - 2px);
    border: 2px solid blue;
    border-radius: 10px;
    background-color: transparent;
    backdrop-filter: blur(100px);
    margin-top: 5px;
    margin-bottom: 5px;
    text-align: center;
  }
  
  .proyects .proyect img {
    width: 90px;
    height: 80px;
    margin-top: 15px;
    margin-bottom: 5px;
  }
  @media (min-width: 500px) {
    .proyects .proyect img  {
      width: 95px;
    }
  }
  @media (min-width: 650px) {
    .proyects .proyect img  {
      height: 85px;
    }
  }
  @media (min-width: 770px) {
    .proyects .proyect img  {
      width: 100px;
    }
  }
  @media (min-width: 950px) {
    .proyects .proyect img {
      height: 95px;
      width: 105px;
    }
  }
  @media (min-width: 1024px) {
    .proyects .proyect img {
      height: 100px;
      width: 120px;
    }
  }