@charset "UTF-8";
 
* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background-color: black;
  min-height: 100dvh;
  color: white;
  overflow-x: hidden;
}

header {
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  width: 100px;
  height: 100px;
  margin: 0;
}

.link-visitante {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: #2a2a2a;
  color: #ffffff;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 30px;
  font-size: 16px;
  transition: 0.3s;
}

.link-visitante:hover {
  background-color: #3a3a3a;
  color: #7ed957;
  transform: scale(1.03);
}

main {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  margin: 0;
  text-align: center;
}

.titulo {
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeIn 2.5s forwards;
  color: white;
}

.login-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
}

.opcao-aluno,
.opcao-professor {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.opcao-aluno {
  animation: entrarEsquerda 1s forwards;
  animation-delay: 0.7s;
  opacity: 0;
  text-align: center;
}

/* style do circulo */
.circulo {
  width: 200px;
  height: 200px;
  display: flex;
  text-decoration: none;
  color: #aaa;
  background: #2a2a2a;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  transition: all 0.25s ease;
}

.circulo:hover {
  transform: scale(1.08);
  background: #3a3a3a;
}

.circulo:active {
  transform: scale(0.92);
}

.circulo:focus-visible {
  box-shadow: 0 0 0 2px white;
}

.linha {
  display: flex;
  width: 1px;
  height: 120px;
  background: #ffffff;
  opacity: 0;
  animation: crescerLinha 1s forwards;
  animation-delay: 0.4s;
}

.opcao-aluno p,
.opcao-professor p {
  margin-top: 10px;
  font-size: 25px;
  letter-spacing: 2px;
  color: #ffffff;
  font-weight: bolder;
}

.opcao-professor {
  opacity: 0;
  animation: entrarDireita 0.8s ease-out forwards;
  animation-delay: 0.7s;
}

/* keyframes */

/* animação circulo esquerda */
@keyframes entrarEsquerda {
  from {
    transform: translateX(-80px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* animação circulo direita */
@keyframes entrarDireita {
  from {
    transform: translateX(80px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* animação linha vertical */
@keyframes crescerLinha {
  from {
    height: 0;
    opacity: 0;
  }
  to {
    height: 200px;
    opacity: 1;
  }
}

/* animação fade in entrar*/
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/*responsividade*/
@media (max-width: 440px) {
  header {
    left: 20px;
    padding: 0;
  }

  .logo {
    width: 70px;
    height: 70px;
  }

.link-visitante {
  font-size: 13px;
  padding: 9px 12px;
}

  .container {
    width: 100%;
    padding: 0 15px;
  }

  .titulo {
    margin-bottom: 40px;
    font-size: 28px;
  }

  .login-area {
    gap: 15px;
  }

  .circulo {
    width: 140px;
    height: 140px;
    font-size: 55px;
  }

  .linha {
    width: 1px;
    height: 140px;
  }

  .opcao-aluno p,
  .opcao-professor p {
    margin-top: 10px;
    font-size: 22px;
    letter-spacing: 2px;
    color: #ffffff;
  }
}