* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

header {
  height: 100%;
  width: 100%;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  position: fixed;
  width: 100%;
  height: 76px;
  top: 0;
  z-index: 2;
  background: linear-gradient(
    90deg,
    rgba(58, 58, 58),
    rgba(18, 80, 206),
    rgb(58, 58, 58)
  );
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 35px;
  border-radius: 50%;
  margin-right: 15px;
  border: 2px solid white;
}

.logo h3 {
  color: white;
}

.nav-ul {
  display: flex;
  list-style: none;
}

.ul-li {
  padding-right: 10px;
}

.ul-li a {
  text-decoration: none;
  text-transform: uppercase;
  font-size: 12px;
  padding: 5px 10px;
  color: white;
  font-weight: bolder;
  margin: 10px;
  text-shadow: 0px 6px 16px black;
}

.ul-li a:hover {
  background-color: rgb(0, 145, 255);
  border-radius: 20px;
  color: white;
  box-shadow: 0px 3px black;
}

.bx {
  font-size: 20px;
  padding: 5px;
  margin-left: 40px;
  margin-bottom: 15px;
  color: #083692;
  background-color: white;
  border-radius: 50%;
  box-shadow: 0px 6px #021741;
}

.fondo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  grid-template-areas:
    "carta img ."
    "p1 img p2";
  height: 100vh;
  width: 100%;
  position: relative;
  z-index: 1;
  /* top: 75px; */
  background: linear-gradient(
    90deg,
    rgba(58, 58, 58),
    rgba(18, 80, 206),
    rgb(58, 58, 58)
  );
}

.fondo-logo img {
  height: 400px;
  background-size: cover;
}
.fondo-logo {
  grid-area: img;
  display: flex;
  justify-content: center;
  align-items: center;
}

.fondo-carta {
  grid-area: carta;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.carta {
  background-color: rgba(58, 58, 58);
  height: 70px;
  width: 200px;
  display: flex;
  flex-direction: column;
  font-size: 18px;
  justify-content: center;
  align-items: center;
  border-radius: 20px;
  color: white;
  box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.487);
}

.carta:hover {
  height: 71.5px;
  width: 201.5px;
  font-size: 18px;
  cursor: pointer;
}

.fondo-p1 {
  grid-area: p1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.fondo-p2 {
  grid-area: p2;
}

.main::before {
  content: "";
  display: block;
}

main {
  margin: 0px 40px 10px;
}

@media screen and (max-width: 768px) {
  .header {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: fixed;
    padding: 60px 40px;
    width: 100%;
    height: 70px;
    top: 0;
    z-index: 2;
    background: linear-gradient(
      90deg,
      rgba(58, 58, 58),
      rgba(18, 80, 206),
      rgb(58, 58, 58)
    );
  }
  .nav {
    margin-top: 10px;
  }

  .fondo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    grid-template-areas:
      ". img ."
      "p1 carta .";
    height: 100vh;
    top: 120px;
  }

  .fondo-logo img {
    height: 290px;
    background-size: cover;
  }

  .fondo-carta {
    grid-area: carta;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .fondo-p1 {
    grid-area: p1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    margin-bottom: 20px;
  }
}

@media screen and (max-width: 576px) {
  .header {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: fixed;
    padding: 10px 40px;
    width: 100%;
    height: 70px;
    top: 0;
    z-index: 2;
    background: linear-gradient(
      90deg,
      rgba(58, 58, 58, 1),
      rgba(18, 80, 206),
      rgba(18, 80, 206),
      rgb(58, 58, 58, 1)
    );
  }

  .fondo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    grid-template-areas:
      ". img ."
      "p1 carta .";
    height: 100vh;
    top: 60px;
    background: linear-gradient(
      90deg,
      rgba(58, 58, 58, 1),
      rgba(18, 80, 206),
      rgba(18, 80, 206),
      rgb(58, 58, 58, 1)
    );
  }

  .nav {
    display: none;
  }
}