@media (max-width: 1024px) {
  .desktop-nav {
    display: none;
  }

  .header-row {
    gap: 12px;
  }

  .menu-toggle {
    display: block;
  }

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

  .about-grid > div {
    padding: 26px 0 0;
    border-top: 1px solid rgba(30, 58, 95, 0.1);
    border-left: 0;
  }

  .feature-shell {
    padding: 32px 24px 38px;
  }

  .feature-stage {
    grid-template-columns: 1fr;
  }

  .feature-visual-card,
  .feature-visual-card img {
    min-height: 440px;
  }

  .scene-detail-grid {
    grid-template-columns: 1fr;
  }

  .scene-panel {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 26px;
  }

  .scene-panel-visual {
    min-height: 0;
    justify-content: stretch;
  }

  .scene-visual-frame {
    width: 100%;
  }

  .scene-visual-backdrop {
    inset: 24px 0 12px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card--featured {
    transform: none;
  }

  .product-card--extensions {
    grid-column: span 2;
    transform: none;
  }

  .product-card--featured:hover,
  .product-card--extensions:hover {
    transform: translateY(-8px);
  }

  .payment-shell {
    padding: 28px;
  }

  .payment-panel {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .payment-visual {
    min-height: 280px;
    max-width: 460px;
  }

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

  .contact-full {
    width: calc(100% - 96px);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 68px 0;
  }

  .hero {
    min-height: 580px;
  }

  .product-grid,
  .start-grid,
  .adv-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .product-card,
  .product-card--featured,
  .product-card--extensions {
    grid-column: auto;
    padding: 28px 20px 24px;
    border-radius: 24px;
    transform: none;
  }

  .product-card:hover,
  .product-card--featured:hover,
  .product-card--extensions:hover {
    transform: translateY(-5px);
  }

  .product-mark {
    width: 92px;
    height: 92px;
    padding: 0;
    border-radius: 999px;
  }

  .product-card h3 {
    font-size: clamp(1.7rem, 7vw, 2.2rem);
  }

  .product-card-intro {
    min-height: 0;
  }

  .scene-shell {
    margin-top: 32px;
  }

  .scene-tabs {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 24px;
  }

  .scene-tab {
    min-height: 0;
    padding: 16px 18px;
  }

  .scene-tab-label {
    font-size: 1.12rem;
  }

  .scene-panel-copy {
    max-width: none;
  }

  .scene-panel {
    padding: 20px;
    border-radius: 24px;
  }

  .scene-heading-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .scene-metric {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 18px 0;
  }

  .scene-panel-visual {
    min-height: 0;
  }

  .scene-visual-frame {
    border-radius: 22px;
  }

  .scene-visual-note {
    position: static;
    max-width: none;
    margin-top: 14px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .services-title {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .feature-shell {
    margin-top: 26px;
    padding: 22px 16px 28px;
    border-radius: 24px;
  }

  .feature-tabs {
    width: 100%;
    border-radius: 26px;
    padding: 8px;
    justify-content: stretch;
  }

  .feature-tab {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.96rem;
  }

  .feature-list-card {
    padding: 18px 16px;
  }

  .feature-item {
    min-height: 60px;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px;
    font-size: 1rem;
  }

  .feature-point-icon {
    width: 36px;
    height: 36px;
  }

  .feature-visual-card,
  .feature-visual-card img {
    min-height: 260px;
  }

  .start-panel {
    padding: 28px 20px;
  }

  .payments-heading {
    margin-bottom: 28px;
  }

  .payment-shell {
    padding: 22px;
    border-radius: 24px;
  }

  .payment-tabs {
    gap: 10px;
    margin-bottom: 24px;
  }

  .payment-tab {
    width: 100%;
    padding: 15px 18px;
    text-align: center;
  }

  .payment-visual {
    min-height: 220px;
    border-radius: 22px;
  }

  .payment-kicker {
    margin-top: 30px;
  }

  .payment-logo-wall {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px 8px;
  }

  .payment-logo {
    justify-content: center;
  }

  .payment-logo img {
    max-height: 24px;
  }

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

  .contact-box {
    padding: 22px;
  }

  .floating-contact {
    right: 18px;
    bottom: 18px;
    width: 64px;
    height: 64px;
    padding: 0 10px;
    font-size: 0.86rem;
  }

  .contact-modal {
    padding: 16px;
  }

  .contact-modal-dialog {
    border-radius: 16px;
    padding: 26px 20px;
  }

  .phone-field {
    grid-template-columns: 1fr;
  }

  .contact-phone-row {
    grid-template-columns: auto minmax(70px, 92px) auto minmax(0, 1fr);
    gap: 6px;
  }

  .site-logo {
    height: 46px;
  }

  .lang-switcher {
    padding: 3px;
  }

  .lang-switcher-btn {
    padding: 7px 10px;
    font-size: 0.84rem;
  }

  .contact-full {
    width: calc(100% - 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}