/*
  Layout do header e footer compartilhados por todas as páginas (includes/).
  Segue design-system-observatorio-recife.md seção 9 (header simples e
  institucional, poucos itens, sem mega-menu).
*/

/* ---------- Header ---------- */
.cabecalho {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
}

.cabecalho__barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4);
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .cabecalho__barra {
    padding: var(--space-4) var(--space-6);
  }
}

.cabecalho__marca {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text);
  font-size: var(--text-body-lg);
  line-height: 1.2;
}

.cabecalho__alterna {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.cabecalho__alterna span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

.cabecalho__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-5);
}

.cabecalho__nav a {
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  padding: 0.4em 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cabecalho__nav a:hover,
.cabecalho__nav a[aria-current="page"] {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
}

.cabecalho__nav a.cabecalho__nav-destaque {
  border: 1px solid var(--color-brand);
  border-radius: var(--radius-md);
  padding: 0.5em 1em;
}

.cabecalho__nav a.cabecalho__nav-destaque:hover,
.cabecalho__nav a.cabecalho__nav-destaque[aria-current="page"] {
  background: var(--color-brand);
  color: var(--color-white);
  border-bottom-color: var(--color-brand);
}

@media (max-width: 900px) {
  .cabecalho__alterna {
    display: inline-flex;
  }

  .cabecalho__nav {
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    width: 100%;
    transition: max-height 0.2s ease;
  }

  .cabecalho__nav.esta-aberto {
    max-height: 32rem;
  }

  .cabecalho__nav a {
    padding: 0.75em 0;
    border-bottom: 1px solid var(--color-border);
  }

  .cabecalho__barra {
    flex-wrap: wrap;
  }
}

@media (min-width: 901px) {
  .cabecalho__alterna {
    display: none;
  }
}

/* ---------- Footer ---------- */
.rodape {
  background: var(--color-brand);
  color: var(--color-brand-foreground);
  padding: var(--space-9) 0 var(--space-5);
}

.rodape a {
  color: var(--color-brand-foreground);
  text-decoration: none;
}

.rodape a:hover {
  text-decoration: underline;
}

.rodape__grade {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .rodape__grade {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.rodape h4 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-brand-foreground);
  font-size: var(--text-body-lg);
  margin-bottom: 0.75em;
}

.rodape__logo {
  display: inline-block;
  margin-bottom: var(--space-4);
}

.rodape__logo img {
  height: 62px;
  width: auto;
}

.rodape__logo--ifpe {
  display: block;
  margin-top: var(--space-4);
  margin-bottom: 0;
}

.rodape__lista-links a {
  text-decoration: underline;
}

.rodape p, .rodape li {
  color: var(--color-border);
  font-size: var(--text-body-sm);
}

.rodape ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.rodape li + li {
  margin-top: 0.5em;
}

.rodape__base {
  border-top: 1px solid rgba(247, 246, 245, 0.2);
  padding-top: var(--space-5);
  font-size: var(--text-caption);
  color: var(--color-border);
}