/* =============================================
   navbar.css — Header sticky + drawer mobile
   Mobile-first: 375px base → 1024px+
   ============================================= */

/* ─── Estrutura base do header ─── */
#navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem 1rem;
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  background: transparent;
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base);
}

#navbar.is-scrolled {
  background: #002070;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .4);
}

/* ─── Logo ─── */
.navbar__logo {
  font-size: 1.375rem;
  font-weight: var(--fw-black);
  color: var(--color-text);
  letter-spacing: .04em;
  text-decoration: none;
  z-index: 1;
}

/* ─── Botão hamburger (mobile) ─── */
#menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-navbar) + 10);
}

#menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
  transform-origin: center;
}

/* Animação X quando aberto */
#menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

#menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

#menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Nav drawer (mobile) ─── */
#navbar nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 75vw;
  height: 100vh;
  background: var(--color-surface);
  transition: right var(--transition-slow);
  display: flex;
  flex-direction: column;
  padding: 5rem 2rem 2rem;
  gap: 1.5rem;
  z-index: var(--z-navbar);
  box-shadow: -8px 0 32px rgba(0, 0, 0, .4);
}

/* Overlay — cobre os 25vw restantes quando drawer aberto */
#navbar nav::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  z-index: -1;
}

#navbar nav.is-open {
  right: 0;
}

#navbar nav.is-open::before {
  opacity: 1;
  pointer-events: auto;
}

/* ─── Links de navegação ─── */
#navbar nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
  transition: color var(--transition-base);
  padding: .25rem 0;
}

#navbar nav a:hover {
  color: var(--color-accent);
}

#navbar nav a.active {
  color: var(--color-accent);
}

/* Botão CTA no nav */
#navbar nav .navbar__cta {
  display: inline-block;
  background: var(--color-whatsapp);
  color: #fff;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-btn);
  text-align: center;
  font-size: 1rem;
  font-weight: var(--fw-bold);
  transition: opacity var(--transition-base);
  margin-top: .5rem;
}

#navbar nav .navbar__cta:hover {
  opacity: .88;
  color: #fff;
}

/* ─── ≥1024px: nav inline, hamburger oculto ─── */
@media (min-width: 1024px) {
  #menu-toggle {
    display: none;
  }

  #navbar nav {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    padding: 0;
    transition: none;
    box-shadow: none;
  }

  #navbar nav::before {
    display: none;
  }

  #navbar nav a {
    font-size: .9375rem;
    padding: 0;
  }

  #navbar nav .navbar__cta {
    padding: .5rem 1.25rem;
    font-size: .9375rem;
    margin-top: 0;
  }
}