.cabecalho {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  padding: var(--espaco-4) 0;
}

.cabecalho__interior {
  display: grid;
  padding: 0.3em 0.9em;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--espaco-4);
  max-width: var(--largura-max);
  margin-inline: auto;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 999px;
  box-shadow: 0 4px 24px rgba(31, 23, 41, 0.13);
  transition:
    opacity 0.35s ease,
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.cabecalho__logo {
  display: block;
}

.cabecalho__logo img {
  height: 48px;
  width: auto;
  border-radius: var(--raio-suave);
}

.nav-principal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--espaco-8);
}

.nav-principal__link {
  position: relative;
  padding: var(--espaco-2) 0;
  font-size: var(--texto-sm);
  font-weight: 500;
  color: var(--texto-corpo);
  transition: color var(--duracao-rapida) var(--easing-suave);
}

.nav-principal__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--lime);
  border-radius: 2px;
  transition: width var(--duracao-media) var(--easing-suave);
}

.nav-principal__link:hover,
.nav-principal__link:focus-visible {
  color: var(--texto-titulo);
}

.nav-principal__link:hover::after,
.nav-principal__link:focus-visible::after {
  width: 100%;
}

.cabecalho__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--espaco-2);
  padding: 0.2em 0.9em;
  background: var(--lime);
  color: var(--roxo-fundo);
  font-size: var(--texto-sm);
  font-weight: 500;
  border-radius: var(--raio-suave);
  white-space: nowrap;
  transition: background var(--duracao-rapida) var(--easing-suave);
}

.cabecalho__cta:hover,
.cabecalho__cta:focus-visible {
  background: var(--lime-suave);
}

.cabecalho__cta i {
  font-size: 1.1rem;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--roxo-profundo);
  font-size: 1.25rem;
  border-radius: var(--raio-suave);
  transition: background var(--duracao-rapida) var(--easing-suave);
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  background: var(--creme-suave);
}

.menu-drawer {
  display: none;
}

@media (max-width: 767px) {
  .cabecalho__interior {
    grid-template-columns: auto 1fr auto;
    padding: var(--espaco-3) var(--espaco-4);
  }

  .nav-principal,
  .cabecalho__cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
    pointer-events: auto;
  }

  .menu-drawer {
    display: flex;
    flex-direction: column;
    gap: var(--espaco-1);
    max-height: 0;
    overflow: hidden;
    padding-inline: var(--espaco-6);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 0 0 var(--raio-grande) var(--raio-grande);
    margin-inline: var(--espaco-4);
    box-shadow: 0 8px 24px rgba(31, 23, 41, 0.12);
    transition:
      max-height var(--duracao-media) var(--easing-suave),
      padding var(--duracao-media) var(--easing-suave);
  }

  .menu-drawer.aberto {
    max-height: 380px;
    padding-block: var(--espaco-4);
  }

  .menu-drawer__link {
    padding: var(--espaco-3) 0;
    font-size: var(--texto-md);
    font-weight: 500;
    color: var(--texto-corpo);
    border-bottom: 1px solid var(--borda-sutil);
  }

  .menu-drawer__link:last-of-type {
    border-bottom: none;
  }

  .menu-drawer__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--espaco-2);
    margin-top: var(--espaco-3);
    padding: var(--espaco-3) var(--espaco-5);
    background: var(--lime);
    color: var(--roxo-fundo);
    font-size: var(--texto-sm);
    font-weight: 500;
    border-radius: var(--raio-suave);
  }
}