/* ============================================
   Responsive Breakpoints
   ============================================ */

/* ── Tablet & Below: < 1024px ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__gallery { position: static; }
  .studio-hero { grid-template-columns: 1fr; text-align: center; }
  .studio-features { grid-template-columns: repeat(2, 1fr); }
  .qr-showcase { grid-template-columns: 1fr; }
  .export-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .customizer__body { grid-template-columns: 1fr; }
  .customizer__sidebar { border-right: none; border-bottom: 1px solid var(--color-border); }
}

/* ── Mobile Nav: < 900px ── */
@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: block; }

  .scrollytelling__timeline { display: none; }
  .scrollytelling__visual { width: 280px; height: 280px; }
  .scrollytelling__plate { width: 220px; height: 220px; }
}

/* ── Small Tablet: < 768px ── */
@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
  }

  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }

  .section { padding: var(--space-16) 0; }
  .section-lg { padding: var(--space-20) 0; }
  .grid-2 { grid-template-columns: 1fr; }
  .studio-features { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero { min-height: 80vh; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__trust-row { flex-direction: column; align-items: flex-start; }

  .trace-timeline::before { left: 20px; }
  .trace-step { padding-left: 60px; }
  .trace-step__number { left: 0; width: 36px; height: 36px; font-size: var(--fs-xs); }
}

/* ── Phone: < 480px ── */
@media (max-width: 480px) {
  h1 { font-size: var(--fs-3xl); }
  h2 { font-size: var(--fs-2xl); }

  .hero__title { font-size: var(--fs-3xl); }
  .page-hero__title { font-size: var(--fs-2xl); }

  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab-btn { white-space: nowrap; }

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

  .whatsapp-float { bottom: var(--space-4); right: var(--space-4); }
  .whatsapp-float__btn { width: 52px; height: 52px; }
  .whatsapp-float__btn svg { width: 24px; height: 24px; }

  .scrollytelling__step-content { max-width: 100%; padding: var(--space-5); }
}