/* ====================================================
   LOCK FÁCIL — responsive.css
   Mobile-first breakpoints
   ==================================================== */

/* ── BASE: 320px+ (mobile) ── */
.hamburger { display: flex; }
.nav__menu {
  position: fixed; inset: 0; top: var(--header-height-mobile);
  background: var(--bg-primary); flex-direction: column; padding: var(--space-8) var(--space-6);
  gap: var(--space-2); transform: translateX(100%);
  transition: transform var(--transition-slow); z-index: var(--z-fixed);
  overflow-y: auto;
}
.nav__menu.open { transform: translateX(0); }
.nav__link { font-size: var(--text-lg); padding: var(--space-4); color: var(--text-primary); }
.nav__link:hover, .nav__link.active { background: var(--bg-secondary); color: var(--color-brand-500); }
.nav__actions { gap: var(--space-2); }
.header { height: var(--header-height-mobile); }

.hero__title { font-size: clamp(var(--text-3xl), 8vw, var(--text-5xl)); }
.hero__actions { gap: var(--space-3); }
.hero__actions .btn { flex: 1; min-width: 140px; }

.busca__form { grid-template-columns: 1fr; }
.busca__form .btn { margin-top: var(--space-2); }

.fleet-grid { grid-template-columns: 1fr; }
.frota__filters { gap: var(--space-2); }
.filter-btn { font-size: var(--text-xs); height: 36px; padding: 0 var(--space-4); }

.vantagens__grid { grid-template-columns: repeat(2, 1fr); }
.vantagem-card { padding: var(--space-6) var(--space-4); }
.vantagem-card:hover { transform: none; }

.timeline { flex-direction: column; align-items: center; gap: var(--space-6); }
.timeline::before { display: none; }
.timeline__step { max-width: 100%; width: 100%; display: flex; align-items: flex-start; gap: var(--space-5); text-align: left; }
.timeline__step-num { flex-shrink: 0; width: 56px; height: 56px; font-size: var(--text-xl); }
.timeline__content { flex: 1; }

.avaliacoes__header-stats { flex-direction: column; }

.passeios__grid { grid-template-columns: 1fr; }

.instagram-grid { grid-template-columns: repeat(3, 1fr); }

.contato__grid { grid-template-columns: 1fr; }

.footer__grid { grid-template-columns: 1fr; }
.footer__brand { max-width: 100%; }

.modal-veiculo__specs { grid-template-columns: 1fr; }
.modal-veiculo__actions { flex-direction: column; }
.modal-veiculo__actions .btn { width: 100%; }

.btn-whatsapp-float { bottom: var(--space-4); left: var(--space-4); right: auto; width: 50px; height: 50px; font-size: 1.5rem; }
#back-to-top { right: calc(var(--space-4) + 64px); bottom: var(--space-4); }

/* ── sm: 480px+ ── */
@media (min-width: 480px) {
  .fleet-grid { grid-template-columns: repeat(2, 1fr); }
  .vantagens__grid { grid-template-columns: repeat(2, 1fr); }
  .busca__form { grid-template-columns: repeat(2, 1fr); }
}

/* ── md: 768px+ (Tablets) ── */
@media (min-width: 768px) {
  .header { height: var(--header-height); }
  .hamburger { display: none; }
  .nav__menu {
    position: static; flex-direction: row; background: transparent;
    padding: 0; transform: none; transition: none; overflow: visible;
    gap: var(--space-1);
  }
  .nav__link { font-size: var(--text-sm); padding: var(--space-2) var(--space-3); color: rgba(255,255,255,0.9); }
  .nav__link:hover, .nav__link.active { color: #fff; background: rgba(255,255,255,0.15); }
  .header.scrolled .nav__link { color: var(--text-secondary); }
  .header.scrolled .nav__link:hover { color: var(--color-brand-500); background: var(--bg-secondary); }

  .hero__actions { gap: var(--space-4); }
  .hero__actions .btn { flex: none; }

  .busca__form { grid-template-columns: repeat(2, 1fr); }

  .fleet-grid { grid-template-columns: repeat(2, 1fr); }

  .vantagens__grid { grid-template-columns: repeat(3, 1fr); }

  .timeline {
    flex-direction: row; align-items: flex-start; justify-content: center;
    gap: 0;
  }
  .timeline::before { display: block; }
  .timeline__step {
    flex-direction: column; align-items: center; text-align: center;
    flex: 1;
  }
  .timeline__step-num { width: 72px; height: 72px; font-size: var(--text-2xl); }

  .passeios__grid { grid-template-columns: repeat(2, 1fr); }

  .contato__grid { grid-template-columns: 1fr 1fr; }

  .footer__grid { grid-template-columns: 2fr 1fr 1fr; }

  .modal-veiculo__specs { grid-template-columns: repeat(2, 1fr); }
  .modal-veiculo__actions { flex-direction: row; }

  .avaliacoes__header-stats { flex-direction: row; }
}

/* ── lg: 1024px+ (Desktop) ── */
@media (min-width: 1024px) {
  .fleet-grid { grid-template-columns: repeat(3, 1fr); }
  .vantagens__grid { grid-template-columns: repeat(4, 1fr); }
  .busca__form { grid-template-columns: repeat(4, 1fr) auto; }
  .passeios__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
  .contato__grid { grid-template-columns: 1fr 1fr; gap: var(--space-16); }
}

/* ── xl: 1280px+ ── */
@media (min-width: 1280px) {
  .fleet-grid { grid-template-columns: repeat(4, 1fr); }
  .vantagem-card:hover {
    transform: perspective(800px) rotateX(4deg) rotateY(-4deg) translateY(-4px);
  }
}

/* ── 2xl: 1536px+ ── */
@media (min-width: 1536px) {
  .container { max-width: var(--container-2xl); }
  .fleet-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Print ── */
@media print {
  .header, .btn-whatsapp-float, #back-to-top, .comparador-bar, #scroll-progress { display: none !important; }
  body { font-size: 12pt; }
  .fleet-grid { grid-template-columns: repeat(2, 1fr); }
}