*{box-sizing:border-box}

body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#eef7ff;
  color:#222;
}

header{
  background:linear-gradient(135deg,#1e88e5,#7e57c2,#43a047);
  color:white;
  text-align:center;
  padding:25px;
}

header h1{
  margin:0;
  font-size:34px;
}

nav{
  position:sticky;
  top:0;
  z-index:10;
  background:white;
  display:flex;
  gap:8px;
  justify-content:center;
  flex-wrap:wrap;
  padding:12px;
  box-shadow:0 2px 10px #0002;
}

button{
  border:none;
  background:#1e88e5;
  color:white;
  padding:14px 18px;
  border-radius:16px;
  font-size:18px;
  font-weight:bold;
  cursor:pointer;
}

button:hover{
  background:#1565c0;
}

main{
  max-width:1200px;
  margin:auto;
  padding:18px;
}

.tela{
  display:none;
}

.tela.ativa{
  display:block;
}

.card{
  background:white;
  padding:20px;
  margin:14px 0;
  border-radius:20px;
  box-shadow:0 4px 14px #0002;
}

.destaque{
  border-left:10px solid #43a047;
}

.grade{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.cartao{
  background:white;
  border-radius:24px;
  padding:12px;
  box-shadow:0 4px 14px #0002;
  text-align:center;
  cursor:pointer;
  border:5px solid transparent;
}

.cartao:hover{
  border-color:#43a047;
  transform:scale(1.03);
}

.cartao img{
  width:100%;
  height:190px;
  object-fit:contain;
}

.cartao .texto{
  font-size:28px;
  font-weight:bold;
  margin-top:8px;
}

.frase{
  position:fixed;
  bottom:20px;
  left:50%;
  transform:translateX(-50%);
  background:#0d47a1;
  color:white;
  padding:18px 28px;
  border-radius:18px;
  font-size:28px;
  font-weight:bold;
  box-shadow:0 4px 16px #0004;
  display:none;
  z-index:20;
}

footer{
  background:#0d47a1;
  color:white;
  text-align:center;
  padding:14px;
  margin-top:30px;
}

@media(max-width:900px){
  .grade{
    grid-template-columns:repeat(2,1fr);
  }

  .cartao img{
    height:150px;
  }

  .cartao .texto{
    font-size:24px;
  }

  button{
    width:100%;
  }
}

@media(max-width:420px){
  .grade{
    grid-template-columns:1fr;
  }

  .cartao img{
    height:180px;
  }
}

@media print{
  header,nav,footer,.card,button{
    display:none!important;
  }

  .tela{
    display:block!important;
  }

  .grade{
    grid-template-columns:repeat(2,1fr);
  }

  .cartao{
    box-shadow:none;
    border:2px solid #000;
    page-break-inside:avoid;
  }
}