:root {
  --cor-fundo: #f0f0f0;
  --cor-cabecalho: #2A9D8F;
  --cor-link: #E9C46A;
  --cor-titulo: #ffffff;
  --cor-overlay: rgba(0, 0, 0, 0.5);
  --cor-rodape: #E76F51;
  --cor-texto-rodape: #F4A261;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--cor-fundo);
  font-family: Arial, sans-serif;
  min-height: 100vh;
}

.cabecalho {
  background-color: var(--cor-cabecalho);
  color: var(--cor-titulo);
  display: flex;
  justify-content: center;
  padding: 1rem 2rem;
}

.cabecalho__titulo {
  font-size: 2.5rem;
}

.grid__container {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(3, 500px);
  gap: 5px;
  padding: 1rem 2rem;
  min-height: calc(100vh - 200px);
}

.grid__item {
  position: relative;
  overflow: hidden;
}

.grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.grid__titulo {
  position: absolute;
  top: 0;
  left: 0;
  background-color: var(--cor-overlay);
  color: white;
  padding: 0.5rem;
  font-weight: bold;
}

.link__cidade {
  display: block;
  text-decoration: none;
  color: inherit;
  width: 100%;
  height: 100%;
}

.grid__item--atenas { grid-column: 1 / 3; grid-row: 1 / 2; }
.grid__item--berlin { grid-column: 3 / 5; grid-row: 1 / 2; }
.grid__item--dublin { grid-column: 5 / 7; grid-row: 1 / 2; }
.grid__item--lisboa { grid-column: 1 / 4; grid-row: 2 / 3; }
.grid__item--londres { grid-column: 4 / 7; grid-row: 2 / 3; }
.grid__item--madri { grid-column: 1 / 3; grid-row: 3 / 4; }
.grid__item--roma { grid-column: 3 / 5; grid-row: 3 / 4; }
.grid__item--viena { grid-column: 5 / 7; grid-row: 3 / 4; }

.rodape {
  background-color: var(--cor-rodape);
  color: var(--cor-texto-rodape);
  text-align: center;
  padding: 1rem;
  margin-top: 1rem;
}

.botao {
  background: var(--cor-link);
  color: white;
  padding: 0.5rem 1rem;
  text-decoration: none;
  margin: 0.5rem;
  display: inline-block;
}

.botao:hover {
  background: var(--cor-cabecalho);
}