.mapa-nav {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 4px 12px;
}
.mapa-nav__link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #B7C0C8;
  text-decoration: none;
}
.mapa-nav__link:hover { color: #fff; }

.mapa-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.mapa-head { margin-bottom: 18px; }
.mapa-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  margin: 4px 0 8px;
  line-height: 1.2;
}
.mapa-sub {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 60ch;
}

/* Iframe responsivo -- proporcao fixa em vez de altura fixa em pixels */
.mapa-frame-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--stone-deep);
}
.mapa-frame {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.mapa-open-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

@media (min-width: 640px) {
  .mapa-frame-wrap { aspect-ratio: 16 / 10; }
  .mapa-title { font-size: 32px; }
}