/* Final responsive safety layer. Desktop design remains untouched. */

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 760px) {
  /* Public website */
  .site-header {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-inline: 16px;
  }

  .wordmark {
    min-width: 0;
  }

  .wordmark b {
    font-size: 14px;
  }

  .wordmark small {
    font-size: 8px;
    letter-spacing: 0.1em;
  }

  .site-header nav.mobile-open {
    top: 78px;
    max-height: calc(100vh - 78px);
    overflow-y: auto;
    z-index: 40;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy,
  .hero-visual,
  .feature-card,
  .surface-card,
  .engine-list article,
  .pricing-grid article {
    min-width: 0;
  }

  .hero h1 {
    font-size: clamp(39px, 12vw, 48px);
    overflow-wrap: anywhere;
  }

  .hero-copy > p,
  .offering-head > p,
  .report-head > p,
  .membership-head > p:last-child {
    font-size: 16px;
    line-height: 1.7;
  }

  .hero-actions,
  .final-cta > div {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button,
  .final-cta .button {
    width: 100%;
    min-height: 48px;
  }

  .hero-chart {
    height: 225px;
  }

  .visual-foot {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .section,
  .options-copy,
  .surface-card {
    padding-inline: 18px;
  }

  .surface-card svg {
    height: 270px;
  }

  .feature-card {
    min-height: auto;
  }

  .engine-list article {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .engine-list article > em {
    grid-column: 2;
    justify-self: start;
  }

  .authority-line article {
    min-height: 125px;
  }

  .site-footer {
    padding-inline: 20px;
  }

  .footer-nav {
    flex-wrap: wrap;
    row-gap: 10px;
  }

  /* Operating platform */
  .sidebar {
    width: min(286px, 86vw);
    box-shadow: 22px 0 60px #07101a4d;
  }

  .topbar {
    gap: 10px;
    min-width: 0;
  }

  .top-actions {
    min-width: 0;
    margin-left: auto;
  }

  .top-actions .icon-button[aria-label="Search"] {
    display: none;
  }

  .account-switcher {
    min-width: 0;
  }

  .account-switcher > button {
    width: min(178px, 56vw);
    min-width: 0;
  }

  .account-menu {
    position: fixed;
    top: 66px;
    right: 10px;
    left: 10px;
    width: auto;
    max-height: calc(100vh - 82px);
    overflow-y: auto;
  }

  .page-heading {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .page-heading > div {
    min-width: 0;
  }

  .page-heading h1 {
    font-size: clamp(27px, 8vw, 32px);
  }

  .page-heading > .primary-button,
  .page-heading > .secondary-button,
  .page-heading > .locked-badge {
    width: 100%;
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .status-strip {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .status-strip > div {
    min-width: 0;
    flex: 1;
  }

  .status-time {
    width: 100%;
    margin-left: 37px;
  }

  .panel,
  .metric-card,
  .account-cards > article,
  .model-grid > article {
    min-width: 0;
  }

  .panel {
    padding: 16px;
  }

  .panel header {
    align-items: flex-start;
    gap: 12px;
  }

  .panel header .filter-row {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .chart-summary {
    flex-wrap: wrap;
  }

  .chart-summary small {
    width: 100%;
    margin-left: 0;
  }

  .chart-area {
    height: 220px;
    padding-left: 30px;
  }

  .chart-area > svg {
    height: 180px;
  }

  .y-axis {
    height: 180px;
  }

  .signal-top {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .signal-meta {
    flex-wrap: wrap;
  }

  .explain-button {
    width: 100%;
    margin-left: 0;
    text-align: left;
    min-height: 34px;
  }

  .underlying-strip {
    overflow: hidden;
  }

  .vol-panel svg {
    height: 245px;
  }

  .limit-list > div {
    grid-template-columns: minmax(120px, 1fr) 1fr 38px;
    gap: 9px;
  }

  .stress-grid {
    min-width: 520px;
  }

  .panel:has(.stress-grid) {
    overflow-x: auto;
  }

  .autonomy-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .autonomy-banner > div {
    align-items: flex-start;
  }

  .autonomy-state {
    flex: none;
  }

  .kill-switch {
    width: 100%;
    min-height: 42px;
    white-space: normal;
  }

  .mode-list > div {
    grid-template-columns: 25px minmax(0, 1fr) auto;
  }

  .mode-list small {
    grid-column: 2 / 4;
  }

  .access-summary > div {
    min-width: 0;
  }

  .modal-backdrop {
    align-items: end;
    padding: 10px;
  }

  .modal {
    max-height: calc(100vh - 20px);
    overflow-y: auto;
    border-radius: 12px 12px 6px 6px;
    padding: 18px;
  }

  .toast {
    right: 12px;
    bottom: 12px;
    left: 12px;
    font-size: 12px;
  }

  .corporate-footer {
    padding-inline: 20px;
  }
}

@media (max-width: 480px) {
  .visual-foot,
  .underlying-strip,
  .greeks,
  .trade-stats,
  .access-summary {
    grid-template-columns: 1fr;
  }

  .underlying-strip > div {
    border-right: 0;
    border-bottom: 1px solid #d9dee5;
  }

  .underlying-strip > div:last-child {
    border-bottom: 0;
  }

  .account-switcher > button {
    width: min(154px, 54vw);
  }

  .account-switcher > button small {
    display: none;
  }

  .notification {
    display: none;
  }

  .page {
    padding-inline: 14px;
  }

  .metric-card > strong {
    font-size: 26px;
  }

  .account-health > div {
    grid-template-columns: 32px minmax(0, 1fr) auto !important;
    gap: 8px !important;
    padding: 10px !important;
  }

  .account-row-action {
    min-width: 50px;
    padding-inline: 8px !important;
  }

  .trade-legs > div {
    grid-template-columns: 52px minmax(0, 1fr) auto;
  }

  .limit-list > div {
    grid-template-columns: 1fr 40px;
  }

  .limit-list > div > i {
    grid-column: 1 / 3;
    grid-row: 2;
  }

  .limit-list > div > strong {
    grid-column: 2;
    grid-row: 1;
  }

  .corporate-footer,
  .site-footer {
    gap: 20px;
  }
}