* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 16px Arial, sans-serif;
  color: #18332a;
  background: #f7faf8;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.topo,
.layout,
footer {
  max-width: 1200px;
  margin: auto;
}

.topo,
.conta,
.linha-busca,
.titulo-secao,
footer {
  display: flex;
  gap: 10px;
  align-items: center;
}

.topo {
  flex-wrap: wrap;
  padding: 14px 16px;
}

.marca {
  margin-right: auto;
  color: #176b4b;
  font-size: 1.4rem;
  font-weight: bold;
  text-decoration: none;
}

.menu {
  display: none;
}

.conta {
  width: 100%;
}

.conta .botao {
  flex: 1;
}

.botao,
.botao-link {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
}

.botao {
  color: white;
  background: #176b4b;
}

.secundario {
  color: #176b4b;
  background: #e9f4ee;
}

.botao-link {
  padding-left: 0;
  color: #176b4b;
  background: transparent;
  font-weight: bold;
  text-align: left;
}

.layout {
  display: grid;
  gap: 18px;
  padding: 10px 16px 28px;
}

.principal {
  min-width: 0;
}

.busca {
  max-width: 760px;
}

.busca label,
legend {
  font-weight: bold;
}

.busca label {
  display: block;
  margin-bottom: 8px;
}

.linha-busca {
  align-items: stretch;
  flex-direction: column;
}

.busca input {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  border: 1px solid #b9c9c0;
  border-radius: 8px;
  background: white;
}

.ajuda-busca,
.texto-apoio {
  color: #64756d;
}

.ajuda-busca {
  margin: 8px 0 14px;
  font-size: .92rem;
  line-height: 1.4;
}

.mapa-placeholder {
  position: relative;
  display: grid;
  place-content: center;
  min-height: 52vh;
  overflow: hidden;
  border: 1px solid #cbdad2;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  background: #eef5f1;
}

.mapa-placeholder span {
  margin-top: 8px;
  color: #64756d;
}

.pino {
  position: absolute;
  color: #176b4b;
  font-size: 2rem;
}

.pino-a { top: 22%; left: 28%; }
.pino-b { top: 55%; left: 62%; }
.pino-c { top: 35%; left: 78%; }

.barra-lateral,
.cartao,
.sobre {
  border: 1px solid #d8e4dd;
  border-radius: 12px;
  background: white;
}

.barra-lateral {
  display: grid;
  gap: 22px;
  padding: 18px;
}

.barra-lateral h2,
h3 {
  margin-top: 0;
}

.barra-lateral h2 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.lista-opcoes,
fieldset,
.lista-pontos {
  display: grid;
  gap: 12px;
}

fieldset {
  margin: 18px 0 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 10px;
}

.largura-total {
  width: 100%;
}

.resultados,
.sobre {
  margin-top: 28px;
}

.titulo-secao {
  justify-content: space-between;
}

.destaque {
  margin-bottom: 6px;
  color: #176b4b;
  font-weight: bold;
}

.cartao,
.sobre {
  padding: 18px;
}

footer {
  align-items: flex-start;
  flex-direction: column;
  padding: 20px 16px;
  color: #617269;
  font-size: .9rem;
}

@media (min-width: 700px) {
  .topo {
    flex-wrap: nowrap;
  }

  .menu {
    display: flex;
    gap: 18px;
  }

  .menu a {
    color: inherit;
    text-decoration: none;
  }

  .conta {
    width: auto;
  }

  .linha-busca {
    flex-direction: row;
  }

  .linha-busca input {
    flex: 1;
  }

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

  footer {
    justify-content: space-between;
    flex-direction: row;
  }
}

@media (min-width: 900px) {
  .topo {
    padding: 18px 24px;
  }

  .layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 28px;
    padding: 22px 24px 34px;
  }

  .barra-lateral {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: 20px;
  }

  .principal {
    grid-column: 2;
    grid-row: 1;
  }

  .mapa-placeholder {
    min-height: 560px;
  }

  .lista-pontos {
    grid-template-columns: repeat(3, 1fr);
  }
}