@media (max-width: 1023px) {
  :root {
    --qon-page: min(100% - 36px, 860px);
    --qon-section-space: 88px;
  }

  .qon-header {
    min-height: 66px;
  }

  .qon-menu-toggle {
    display: grid;
  }

  .qon-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: grid;
    padding: 12px;
    border: var(--qon-border);
    border-radius: var(--qon-radius);
    background: rgba(3, 22, 43, 0.96);
    box-shadow: var(--qon-shadow-large);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .qon-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .qon-nav a {
    padding: 13px 14px;
  }

  .qon-header-actions > .qon-button {
    display: none;
  }

  .qon-hero {
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 70px;
  }

  .qon-hero-grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .qon-hero-copy {
    max-width: 760px;
  }

  .qon-hero-copy h1 {
    font-size: 42px;
    line-height: 48px;
  }

  .qon-demo {
    min-height: 480px;
    transform: none;
  }

  .qon-hero-visual {
    min-height: 480px;
    transform: none;
  }

  .qon-hero-visual > img {
    height: 480px;
  }

  .qon-section-heading h2,
  .qon-operation-copy h2,
  .qon-credit-copy h2 {
    font-size: 30px;
    line-height: 36px;
  }

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

  .qon-feature-card {
    grid-column: span 6;
  }

  .qon-operation {
    grid-template-columns: 1fr;
    gap: 42px;
  }

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

  .qon-final-card h2 {
    font-size: 36px;
    line-height: 43px;
  }
}

@media (max-width: 767px) {
  :root {
    --qon-page: calc(100% - 28px);
    --qon-section-space: 72px;
  }

  .qon-header {
    top: 10px;
    min-height: 62px;
    padding: 8px 9px 8px 13px;
  }

  .qon-brand img {
    width: 34px;
    height: 34px;
  }

  .qon-brand-text strong {
    font-size: 16px;
  }

  .qon-brand-text small {
    font-size: 8px;
  }

  .qon-hero {
    padding-top: 122px;
  }

  .qon-hero::before {
    top: 10%;
    right: -100%;
  }

  .qon-hero-copy h1 {
    font-size: 34px;
    line-height: 40px;
  }

  .qon-hero-copy > p {
    font-size: 16px;
    line-height: 25px;
  }

  .qon-hero-actions {
    display: grid;
  }

  .qon-button {
    width: 100%;
  }

  .qon-trust-note {
    align-items: flex-start;
  }

  .qon-demo {
    min-height: 0;
    padding: 13px;
  }

  .qon-hero-visual {
    min-height: 410px;
  }

  .qon-hero-visual > img {
    height: 410px;
    object-position: 66% center;
  }

  .qon-live-card {
    right: 12px;
    bottom: 12px;
    width: calc(100% - 24px);
  }

  .qon-live-card-two {
    right: 12px;
    bottom: 78px;
    left: 12px;
  }

  .qon-demo::before,
  .qon-demo::after,
  .qon-signal {
    display: none;
  }

  .qon-message {
    max-width: 94%;
  }

  .qon-demo-flow {
    grid-template-columns: 1fr;
  }

  .qon-demo-step {
    min-height: 68px;
  }

  .qon-section-heading {
    margin-bottom: 34px;
  }

  .qon-section-heading h2,
  .qon-operation-copy h2,
  .qon-credit-copy h2 {
    font-size: 26px;
    line-height: 32px;
  }

  .qon-process-grid,
  .qon-feature-grid {
    grid-template-columns: 1fr;
  }

  .qon-benefit-grid {
    grid-template-columns: 1fr;
  }

  .qon-consumer-visual,
  .qon-consumer-visual > img {
    min-height: 660px;
    height: 660px;
  }

  .qon-consumer-visual > img {
    object-position: 50% center;
  }

  .qon-consumer-steps {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    right: 10px;
    bottom: 10px;
    left: 10px;
  }

  .qon-consumer-step {
    padding: 11px;
  }

  .qon-consumer-step span {
    margin-bottom: 9px;
  }

  .qon-process-card,
  .qon-feature-card,
  .qon-feature-card-wide {
    grid-column: 1;
    min-height: 0;
  }

  .qon-process-number,
  .qon-feature-icon {
    margin-bottom: 24px;
  }

  .qon-process-card h3,
  .qon-feature-card h3 {
    font-size: 18px;
    line-height: 24px;
  }

  .qon-operation-display {
    min-height: 260px;
    padding: 24px;
  }

  .qon-credit-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .qon-credit-visual {
    width: 100%;
  }

  .qon-final-card {
    padding: 54px 24px;
  }

  .qon-final-card h2 {
    font-size: 30px;
    line-height: 37px;
  }

  .qon-footer-main,
  .qon-footer-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}