@media (max-width: 1199px) {
  :root { --rf-page-gutter: 24px; }
  .rf-navigation-list { gap: 21px; }
  .rf-header-actions { gap: 12px; margin-left: 24px; }
  .rf-header-action span:not(.rf-cart-count) { display: none; }
}
@media (max-width: 1023px) {
  :root { --rf-header-height: 64px; --rf-section-space: 80px; }
  .rf-header-inner { max-width: none; }
  .rf-brand { width: 132px; }
  .rf-brand-image { height: auto !important; max-height: 36px; width: 132px; }
  .rf-mobile-menu-toggle { display: block; }
  .rf-primary-navigation { align-items: stretch; background: #252525; display: flex; flex-direction: column; height: calc(100dvh - var(--rf-header-height)); justify-content: flex-start; left: 0; opacity: 0; overflow-y: auto; padding: var(--rf-space-5) var(--rf-page-gutter) var(--rf-space-8); pointer-events: none; position: fixed; right: 0; top: var(--rf-header-height); transform: translateY(-10px); transition: opacity var(--rf-motion-normal) var(--rf-ease-standard), transform var(--rf-motion-normal) var(--rf-ease-standard); visibility: hidden; }
  .rf-primary-navigation.is-open { opacity: 1; pointer-events: auto; transform: none; visibility: visible; }
  .rf-navigation-list { align-items: stretch; display: block; }
  .rf-navigation-item { border-bottom: 1px solid rgba(255,255,255,.12); }
  .rf-navigation-parent { justify-content: space-between; }
  .rf-navigation-link { display: flex; flex: 1; font-size: 18px; min-height: 58px; padding: 17px 0; }
  .rf-navigation-link::after { display: none; }
  .rf-submenu-toggle { height: 48px; margin-left: var(--rf-space-4); width: 48px; }
  .rf-products-submenu { background: rgba(255,255,255,.04); border: 0; border-radius: 0; box-shadow: none; display: none; left: auto; min-width: 0; opacity: 1; padding: var(--rf-space-2) 0 var(--rf-space-3); pointer-events: auto; position: static; transform: none; transition: none; visibility: visible; }
  .rf-products-submenu::before { display: none; }
  .rf-navigation-products:hover .rf-products-submenu, .rf-navigation-products:focus-within .rf-products-submenu { display: none; transform: none; }
  .rf-navigation-products.is-open .rf-products-submenu { display: block; transform: none; }
  .rf-products-submenu a { min-height: 48px; padding: 14px var(--rf-space-5); }
  .rf-header-actions { border-top: 1px solid rgba(255,255,255,.12); display: grid; gap: var(--rf-space-3); grid-template-columns: repeat(3,1fr); margin: var(--rf-space-6) 0 0; padding-top: var(--rf-space-6); }
  .rf-header-action { border: 1px solid rgba(255,255,255,.18); justify-content: center; min-height: 48px; padding: var(--rf-space-2); }
  .rf-header-action span:not(.rf-cart-count) { display: inline; }
  .rf-split-layout { gap: var(--rf-space-7); grid-template-columns: 1fr 1fr; }
  .rf-footer-inner { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 820px) {
  :root { --rf-page-gutter: 18px; --rf-section-space: 68px; }
  .rf-hero { height: 620px; min-height: 620px; }
  .rf-hero::after { display: none; }
  .rf-hero-media img { object-position: center top; }
  .rf-hero-content { padding-top: 24px; }
  .rf-hero h1 { font-size: clamp(24px,5vw,34px); white-space: normal; }
  .rf-hero-actions { gap: 18px; margin-top: 18px; }
  .rf-split-layout { grid-template-columns: 1fr; }
  .rf-split-reverse .rf-section-copy { order: 1; }
  .rf-split-reverse .rf-product-media { order: 2; }
  .rf-section-copy { order: 1; }
  .rf-product-media, .rf-software-panel { order: 2; }
  .rf-product-media { aspect-ratio: 1.2/1; }
  .rf-section-heading { margin-bottom: var(--rf-space-7); text-align: left; }
  .rf-card-grid-three { grid-template-columns: 1fr; }
  .rf-platform-card { min-height: 0; padding: var(--rf-space-6) var(--rf-space-5); }
  .rf-platform-index { margin-bottom: var(--rf-space-5); }
  .rf-demo-media { aspect-ratio: 4/3; }
  .rf-faq-item button { font-size: 17px; min-height: 72px; }
  .rf-faq-answer { padding-right: 0; }
  .rf-footer-inner { gap: var(--rf-space-6); grid-template-columns: 1fr 1fr; padding-bottom: var(--rf-space-7); padding-top: var(--rf-space-8); }
  .rf-footer-brand { grid-column: 1/-1; }
}
@media (max-width: 479px) {
  :root { --rf-page-gutter: 16px; --rf-section-space: 60px; }
  .rf-brand { width: 120px; }
  .rf-brand-image { max-height: 33px; width: 120px; }
  .rf-header-actions { grid-template-columns: repeat(3,1fr); }
  .rf-header-action { flex-direction: column; font-size: 12px; gap: 2px; min-width: 0; }
  .rf-header-action i { font-size: 18px; }
  .rf-cart-action { position: relative; }
  .rf-cart-count { position: absolute; right: 7px; top: 5px; }
  .rf-hero { height: 520px; min-height: 520px; }
  .rf-hero-media img { object-position: 51% top; }
  .rf-hero h1 { font-size: 23px; line-height: 1.18; }
  .rf-hero-content { padding-top: 22px; }
  .rf-button-group { display: grid; grid-template-columns: 1fr; }
  .rf-button { min-height: 48px; width: 100%; }
  .rf-hero-actions { gap: 12px; margin-top: 16px; }
  .rf-hero-actions .rf-button { font-size: 12px; min-height: 36px; min-width: 112px; padding: 6px 14px; width: auto; }
  .rf-product-media { aspect-ratio: 1/1; }
  .rf-software-window { min-height: 270px; }
  .rf-software-window-body { grid-template-columns: 25% 75%; min-height: 238px; }
  .rf-software-sidebar { padding: 18px 8px; }
  .rf-software-sidebar strong { font-size: 9px; }
  .rf-software-controls { padding: 26px 18px; }
  .rf-demo-play { height: 60px; width: 60px; }
  .rf-demo-play::after { left: 25px; top: 20px; }
  .rf-demo-label { bottom: 16px; left: 16px; }
  .rf-footer-inner { grid-template-columns: 1fr; }
  .rf-footer-brand { grid-column: auto; }
}