@media (max-width: 1280px) {
  .grid-5 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .home-plan-grid,
  .services-showcase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-grid,
  .story-grid,
  .split-layout,
  .demo-split,
  .jafbot-layout,
  .story-timeline,
  .history-hero-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1260px) {
  .site-header-row {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .site-nav-shell {
    display: none;
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem;
    background: rgba(12, 29, 19, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 26px;
    box-shadow: var(--shadow);
  }

  .site-header.is-open .site-nav-shell {
    display: flex;
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .site-nav a,
  .nav-dropdown-trigger {
    justify-content: flex-start;
    width: 100%;
  }

  .nav-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    min-width: 0;
    padding: 0.4rem 0 0 1rem;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .btn {
    width: 100%;
  }

  .split-panels,
  .dashboard-preview,
  .dashboard-page .dashboard-grid,
  .grid-4,
  .grid-3,
  .grid-5 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dashboard-large,
  .dashboard-page .dashboard-panel {
    grid-column: span 2;
  }

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

  .plan-grid.wide > .plan-card,
  .plan-grid.wide > .plan-card:nth-child(4),
  .plan-grid.wide > .plan-card:nth-child(5) {
    grid-column: auto;
  }
}

@media (max-width: 900px) {
  .site-header {
    padding: 0.65rem 0;
  }

  .site-header-row {
    min-height: 72px;
  }

  .brand-mark img {
    width: 92px;
  }
}

@media (max-width: 720px) {
  .section,
  .hero-section {
    padding: 4rem 0;
  }

  h1 {
    font-size: clamp(2.35rem, 11vw, 3.7rem);
  }

  h2 {
    font-size: clamp(1.8rem, 8vw, 2.45rem);
  }

  .brand-mark img {
    width: 88px;
  }

  .btn {
    width: 100%;
  }

  .button-row,
  .button-stack,
  .centered-actions,
  .wizard-actions,
  .footer-meta,
  .site-footer-top,
  .chat-form {
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5,
  .home-plan-grid,
  .services-showcase-grid,
  .split-panels,
  .dashboard-preview,
  .dashboard-page .dashboard-grid,
  .form-grid,
  .option-grid,
  .option-grid-tight,
  .checkbox-grid,
  .service-line-grid,
  .mentoria-split,
  .plan-grid.wide,
  .story-image-stack {
    grid-template-columns: 1fr;
  }

  .dashboard-large,
  .dashboard-page .dashboard-panel {
    grid-column: span 1;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-points {
    flex-direction: column;
  }

  .login-links {
    flex-direction: column;
  }

  .story-image-stack img:first-child {
    grid-column: auto;
  }
}