:root {
  --large-default-padding: 6.5em;
  --medium-default-padding: 4em;
}

body {
  font-family: "Roboto", tahoma, arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #ffffff;
  color: #f1f1f1;
  line-height: 1.6;
}

/* Container principal */

#principal {
  width: 64em;
  margin: 1.25em auto;
}

h1,
h2 {
  font-family: "Viaoda Libre", cursive;
  font-weight: normal;
}

/* Cabeçalho */

.header-top {
  display: flex;
  justify-content: space-between;
  max-width: 1200px;
  border-bottom: 1px solid #e0e0e0;
}

.logotipo {
  margin: 0.5em 0 0.5em 8.4375em;
  color: #e63946;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.header-nav ul {
  margin: 12px;
  padding: 0;
}

.header-nav li {
  list-style: none;
  display: inline-block;
  margin: 0 1em 0 0;
  padding: 1em;
}

.header-nav a {
  color: #111111;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.8em;
  letter-spacing: 0.15em;
  transition: color 0.3s;
}

.header-nav a:hover {
  color: #e63946;
}

.topo-imagem {
  max-width: 1200px;
  margin: 0 auto;
}

.topo-imagem img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
}

/* Conteúdo principal */

.portfolio {
  padding: var(--medium-default-padding) var(--large-default-padding);
  text-align: center;
}

.portfolio h1 {
  font-size: 2.25em;
  color: #111111;
}

.portfolio p {
  font-size: 1em;
  line-height: 2;
  color: #555555;
}

/* Galeria */

.gallery {
  color: #555;
  padding: 0 var(--large-default-padding) var(--medium-default-padding);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.gallery-card {
  text-align: center;
}

.gallery-card:hover {
  transform: scale(1.03);
}

.gallery-title {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 1em;
  font-weight: bold;
  color: #111111;
}

/* Seção sobre */

.about {
  background-color: #ffffff;
  padding: var(--large-default-padding);
  color: #111111;
}

.about h2 {
  text-transform: uppercase;
  font-size: 3em;
  font-weight: normal;
  color: #111111;
}

.about p {
  line-height: 1.5;
  width: 70%;
  color: #555555;
}

/* Rodapé */
.rodape {
  padding: 1.8em;
  font-size: 0.75em;
  color: #999999;
  letter-spacing: 0.3em;
  text-align: center;
  border-top: 1px solid #e0e0e0;
}