/* Crystal Tropical — componentes: botoes, header, ancoras de conversao */

/* ---------- Botoes ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .875rem 1.75rem;
  border: 1.5px solid transparent;
  border-radius: var(--raio);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .9375rem;
  line-height: 1;
  cursor: pointer;
  transition: transform var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--laranja {
  background: var(--laranja-crystal);
  color: #3D2202;
}
.btn--laranja:hover { background: #FFA738; }

.btn--contorno {
  background: transparent;
  border-color: rgba(191, 238, 255, .55);
  color: var(--texto-claro);
}
.btn--contorno:hover {
  border-color: var(--azul-gelo);
  background: rgba(191, 238, 255, .12);
}

/* ---------- Header fixo ---------- */
.cabecalho {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .875rem var(--gutter);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 360ms var(--ease),
              border-color 360ms var(--ease),
              backdrop-filter 360ms var(--ease);
}
/* Ganha corpo assim que o hero comeca a sair */
.cabecalho.is-solido {
  background: rgba(7, 26, 62, .88);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(109, 207, 246, .18);
}

.cabecalho__marca { display: flex; align-items: center; gap: .625rem; }
.cabecalho__marca img { width: clamp(108px, 13vw, 148px); height: auto; }

.cabecalho__nav {
  display: none;
  gap: 1.75rem;
  font-size: .9375rem;
  color: var(--texto-suave);
}
.cabecalho__nav a { transition: color var(--dur) var(--ease); }
.cabecalho__nav a:hover { color: var(--texto-claro); }

.cabecalho__cta { flex-shrink: 0; }
.cabecalho__cta .btn { padding: .6875rem 1.25rem; font-size: .8125rem; }

@media (min-width: 900px) {
  .cabecalho__nav { display: flex; }
}
/* No celular o CTA do header e a unica ancora visivel — nao pode sumir */
@media (max-width: 480px) {
  .cabecalho__cta .btn { padding: .625rem 1rem; font-size: .75rem; }
  .cabecalho__marca img { width: 96px; }
}

/* ---------- Botao flutuante de WhatsApp ---------- */
.zap {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .8125rem 1.25rem;
  border-radius: var(--raio);
  background: #25D366;
  color: #06331A;
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: .875rem;
  box-shadow: 0 10px 30px rgba(3, 16, 46, .45);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.zap:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(3, 16, 46, .55);
}
.zap svg { width: 20px; height: 20px; flex-shrink: 0; }

@media (max-width: 600px) {
  .zap__texto { display: none; }
  .zap { padding: .875rem; }
}