:root {
  --accordion-bg: #fff;
  --accordion-border: #ccc;
  --accordion-accent: #C96148;
  --accordion-text: #222;
  --accordion-radius: 10px;
  --accordion-transition: 0.28s ease;
}

/* Botões */
.topo-site-accordion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--accordion-bg);
  color: var(--accordion-text);
  cursor: pointer;
  padding: 15px 16px;
  width: 100%;
  border: 1px solid var(--accordion-border);
  border-radius: var(--accordion-radius);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
  transition: background var(--accordion-transition), box-shadow var(--accordion-transition);
}

.topo-site-accordion:hover {
  background: #f6f6f6;
}

.topo-site-accordion.active {
  border-color: transparent;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

/* Ícone */
.topo-site-accordion::after {
  content: "";
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--accordion-accent);
  border-bottom: 2px solid var(--accordion-accent);
  transform: rotate(45deg);
  transition: transform var(--accordion-transition);
}

.topo-site-accordion.active::after {
  transform: rotate(-135deg);
}

/* Painel */
.topo-site-panel {
  max-height: 0;
  overflow: hidden;
  background: var(--accordion-bg);
  border-radius: var(--accordion-radius);
  margin-bottom: 12px;
  color: var(--accordion-text);
  line-height: 1.6;
  padding: 0 18px;
  transition: max-height var(--accordion-transition), padding var(--accordion-transition);
}

.topo-site-panel.open {
  padding-top: 12px;
  padding-bottom: 12px;
  font-family: "Nunito Sans", sans-serif;
}