@media (max-width: 980px) {
  .page-heading__split,
  .hiisi-auth-layout--split,
  .hiisi-split-grid {
    grid-template-columns: 1fr;
  }

  .hiisi-plan-grid,
  .hiisi-plan-grid--with-founder,
  .hiisi-plan-grid--standard {
    grid-template-columns: 1fr;
  }

  .landing-pricing-grid--with-founder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-heading__actions {
    justify-content: flex-start;
  }

  .hiisi-auth-card {
    justify-self: stretch;
    width: 100%;
  }

  .hiisi-auth-layout--institution-register .hiisi-auth-stage {
    display: none;
  }

  .admin-workspace {
    grid-template-columns: 1fr;
  }

  .admin-workspace__menu {
    position: static;
  }

  .admin-command-center {
    grid-template-columns: 1fr;
  }

  .admin-table-desktop {
    display: none;
  }

  .admin-list-mobile {
    display: grid;
    gap: 0.85rem;
  }

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

  .translate-quota-banner__content,
  .translation-result__footer,
  .translation-result__bookmark-controls,
  .translation-bookmark-confirmation,
  .translation-result__deck-selector,
  .translation-rate-controls,
  .translation-rate-controls__actions {
    width: 100%;
  }

  .translate-workspace {
    grid-template-columns: 1fr;
  }

  .translate-workspace__main,
  .translate-workspace__actions,
  .translate-workspace__result,
  .translate-workspace__note {
    grid-column: 1;
    grid-row: auto;
  }

  .translate-workspace__main {
    order: 1;
  }

  .translate-workspace__result {
    order: 2;
    position: static;
  }

  .translate-workspace__note {
    order: 3;
  }

  .translate-workspace__actions {
    order: 4;
  }
}

@media (max-width: 900px) {
  .hiisi-landing-nav,
  .hiisi-app-nav,
  .hiisi-auth-nav,
  .hiisi-public-nav {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.65rem;
    padding-left: max(0.65rem, env(safe-area-inset-left));
    padding-right: max(0.65rem, env(safe-area-inset-right));
  }

  .hiisi-site-nav__summary {
    display: inline-grid;
  }

  .hiisi-landing-nav__desktop,
  .hiisi-app-nav__desktop,
  .hiisi-auth-nav__desktop,
  .hiisi-public-nav__desktop {
    display: none;
  }

  .hiisi-landing-nav__mobile,
  .hiisi-app-nav__mobile,
  .hiisi-auth-nav__mobile,
  .hiisi-public-nav__mobile {
    display: block;
    justify-self: end;
  }

  .hiisi-mobile-menu {
    display: block;
  }

  .hiisi-site-nav__shell {
    min-width: auto;
  }

  .hiisi-site-nav__panel {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: min(calc(100vw - 1.3rem), 24rem);
    padding: 0.5rem;
    border: 1px solid var(--rule-strong);
    background: color-mix(in srgb, var(--panel-strong) 96%, var(--paper) 4%);
    box-shadow: var(--surface-shadow-strong);
    z-index: 40;
  }

  .hiisi-site-nav__shell[open] > .hiisi-site-nav__panel {
    display: grid;
    gap: 0.5rem;
  }

  .hiisi-landing-nav__panel,
  .hiisi-auth-nav__panel,
  .hiisi-public-nav__panel,
  .hiisi-app-nav__panel {
    grid-template-columns: minmax(0, 1fr);
    justify-content: stretch;
    gap: 0.5rem;
  }

  .hiisi-landing-nav__controls,
  .hiisi-auth-nav__controls,
  .hiisi-public-nav__controls,
  .hiisi-app-nav__controls {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    overflow: visible;
  }

  .hiisi-landing-nav__controls > li,
  .hiisi-auth-nav__controls > li,
  .hiisi-public-nav__controls > li,
  .hiisi-app-nav__controls > li {
    width: 100%;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
    margin: 0;
    min-height: 2.35rem;
  }

  .hiisi-landing-nav__controls > li > a,
  .hiisi-auth-nav__controls > li > a,
  .hiisi-public-nav__controls > li > a,
  .hiisi-app-nav__controls > li > a {
    padding: 0;
    margin: 0;
    min-height: 2.35rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-inline: 0.7rem;
  }

  .hiisi-landing-nav__controls > li > a:has(sl-button),
  .hiisi-auth-nav__controls > li > a:has(sl-button),
  .hiisi-public-nav__controls > li > a:has(sl-button),
  .hiisi-app-nav__controls > li > a:has(sl-button) {
    padding-inline: 0;
  }

  .hiisi-app-nav__links {
    display: none !important;
  }

  .hiisi-app-nav__mobile-links {
    display: grid;
    gap: 0.4rem;
  }

  .hiisi-app-nav__controls > li > a,
  .hiisi-app-nav__controls > li > form,
  .hiisi-landing-nav__controls > li > a,
  .hiisi-landing-nav__controls > li > form,
  .hiisi-auth-nav__controls > li > a,
  .hiisi-auth-nav__controls > li > form,
  .hiisi-public-nav__controls > li > a,
  .hiisi-public-nav__controls > li > form,
  .hiisi-app-nav__controls sl-dropdown,
  .hiisi-app-nav__controls sl-button,
  .hiisi-app-nav__controls .hiisi-language-picker,
  .hiisi-landing-nav__controls sl-button,
  .hiisi-landing-nav__controls .hiisi-language-picker,
  .hiisi-auth-nav__controls sl-button,
  .hiisi-auth-nav__controls .hiisi-language-picker,
  .hiisi-public-nav__controls sl-button,
  .hiisi-public-nav__controls .hiisi-language-picker {
    width: 100%;
  }

  .hiisi-app-nav__account-menu {
    width: 100%;
  }

  .hiisi-site-nav__utility {
    width: 100%;
  }

  .hiisi-landing-nav__controls > .hiisi-site-nav__utility--theme,
  .hiisi-app-nav__controls > .hiisi-site-nav__utility--theme,
  .hiisi-auth-nav__controls > .hiisi-site-nav__utility--theme,
  .hiisi-public-nav__controls > .hiisi-site-nav__utility--theme {
    justify-content: flex-start;
    margin-inline-start: 0;
    padding-inline-start: 0;
    border-inline-start: 0;
  }

  .hiisi-landing-nav__controls > li.hiisi-landing-nav__auth-pair {
    flex-direction: row;
    gap: 0.45rem;
  }

  .hiisi-landing-nav__auth-pair > a {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    padding-inline: 0;
  }

  .hiisi-landing-nav__controls sl-button::part(base),
  .hiisi-auth-nav__controls sl-button::part(base),
  .hiisi-public-nav__controls sl-button::part(base),
  .hiisi-app-nav__controls sl-button::part(base) {
    padding-inline: 0.7rem;
    min-height: 2.35rem;
    justify-content: flex-start;
    width: 100%;
  }

  .hiisi-site-nav__panel .hiisi-language-picker .hiisi-language-picker__trigger::part(base) {
    padding-inline: 0.7rem;
    justify-content: flex-start;
  }

  .hiisi-app-nav__mobile-utilities {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.45rem;
  }

  .hiisi-app-nav__mobile-utility {
    min-width: 0;
    display: flex;
    align-items: center;
  }

  .hiisi-app-nav__mobile-utility--theme {
    justify-content: flex-start;
  }

  .hiisi-app-nav__mobile-utility--language {
    justify-content: stretch;
  }

  .hiisi-app-nav__mobile-utility--account {
    justify-content: flex-end;
  }

  .hiisi-app-nav__mobile-utility .theme-toggle,
  .hiisi-app-nav__mobile-utility sl-dropdown {
    width: auto;
  }

  .hiisi-app-nav__mobile-utility--language .hiisi-language-picker,
  .hiisi-app-nav__mobile-utility--language sl-dropdown {
    width: 100%;
  }

  .hiisi-app-nav__mobile-utility--language .hiisi-language-picker__trigger::part(base),
  .hiisi-app-nav__mobile-utility--account .hiisi-app-nav__control-trigger::part(base) {
    min-width: 0;
  }

  .hiisi-app-nav__mobile-utility--language .hiisi-language-picker__trigger::part(base) {
    width: 100%;
  }

  .hiisi-app-nav__mobile-trigger::part(base),
  .hiisi-app-nav__control-trigger::part(base),
  .hiisi-language-picker .hiisi-language-picker__trigger::part(base) {
    min-height: 2rem;
    height: 2rem;
    padding-inline: 0.6rem;
    width: 100%;
    justify-content: space-between;
  }

  .hiisi-site-nav__panel .hiisi-site-nav__utility {
    box-sizing: border-box;
    padding-inline: 0.7rem;
  }

  .hiisi-site-nav__panel .hiisi-site-nav__utility--theme .theme-toggle,
  .hiisi-site-nav__panel .hiisi-site-nav__utility--language sl-dropdown {
    width: max-content;
    max-width: 100%;
  }

  .hiisi-site-nav__panel .hiisi-site-nav__utility--language .hiisi-language-picker__trigger::part(base) {
    width: auto;
    min-width: 0;
    justify-content: flex-start;
  }

  .hiisi-mobile-menu__drawer {
    right: 0;
    width: min(20rem, calc(100vw - 1.3rem - env(safe-area-inset-left) - env(safe-area-inset-right)));
  }

  .hiisi-mobile-menu__utility--language sl-dropdown {
    width: auto;
  }

  .hiisi-mobile-menu__utility--language .hiisi-language-picker__trigger::part(base) {
    width: auto;
    min-width: 3.3rem;
    min-height: 2rem;
    justify-content: center;
  }

  .hiisi-footer__bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hiisi-footer__actions {
    width: 100%;
    justify-content: flex-start;
    margin-left: 0;
  }

  .hiisi-plan-card__badge-row {
    justify-content: flex-start;
  }

  .hiisi-plan-card {
    gap: 1rem;
    padding: 1rem;
  }

  .hiisi-plan-card__body {
    gap: 0.6rem;
  }

  .hiisi-check-list {
    gap: 0.5rem;
  }

  .review-hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .review-hero__cta::part(base) {
    width: 100%;
  }

  .review-progress {
    flex-direction: column;
    align-items: flex-start;
  }

  .institutions-hero-grid,
  .institutions-section-header,
  .institutions-form-grid,
  .institutions-benefit-grid,
  .hiisi-plan-grid,
  .landing-steps,
  .landing-pricing-grid,
  .cs-signup {
    grid-template-columns: 1fr;
  }

  .landing-hero {
    grid-template-columns: 1fr;
  }

  .landing-public-translate__compose-row {
    grid-template-columns: 1fr;
  }

  .landing-public-translate__form-header {
    align-items: center;
    flex-direction: column;
  }

  .landing-public-translate__title {
    min-width: 0;
    text-align: center;
  }

  .landing-public-translate__controls {
    align-self: center;
  }

  .landing-hero__demo {
    order: -1;
    max-width: 28rem;
  }

  .cs-signup-info h2 {
    text-align: center;
  }

  .dashboard-shell,
  .dashboard-hero__top {
    grid-template-columns: 1fr;
  }

  .hiisi-manage-workspace,
  .account-layout,
  .account-settings-grid,
  .account-settings-column,
  .account-profile-grid,
  .account-settings-section__row,
  .account-reminders-inline,
  .account-billing-shell {
    grid-template-columns: 1fr;
  }

  .account-overview {
    position: static;
  }

  .dashboard-hero__actions {
    justify-content: flex-start;
  }

  .dashboard-hero__side {
    justify-items: start;
  }

  .dashboard-hero__side .dashboard-hero__actions {
    justify-content: flex-start;
  }

  .starter-deck-preview-shell {
    width: min(100%, 100%);
  }

  .starter-deck-preview-source-card {
    grid-template-columns: 2.2rem minmax(0, 1fr);
    gap: 0.7rem;
    padding: 0.8rem;
  }

  .flashcards-page-controls {
    grid-template-columns: 1fr;
  }

  .flashcards-page-controls__secondary {
    justify-content: flex-start;
  }

  .custom-flashcard-form-row {
    grid-template-columns: 1fr;
  }

  .custom-flashcard-row-remove {
    width: 100%;
  }
}

@media (max-width: 640px) {
  :root {
    --page-width: min(100%, calc(100% - 1.25rem));
    --page-width-narrow: min(100%, calc(100% - 1.25rem));
    --page-width-auth: min(100%, calc(100% - 1.25rem));
  }

  body::before {
    background-size: 24px 24px;
  }

  .hiisi-landing-nav,
  .hiisi-app-nav,
  .hiisi-auth-nav,
  .hiisi-public-nav {
    padding-top: 0.8rem;
  }

  .hiisi-brand__name {
    font-size: 0.72rem;
  }

  .page-heading__title {
    max-width: none;
  }

  .hiisi-auth-stage__title {
    max-width: none;
  }

  .admin-menu {
    padding: 0.75rem;
  }

  .admin-menu__items {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .translate-composer__actions,
  .translate-quota-banner__content,
  .translation-result__footer,
  .translation-result__bookmark-controls,
  .translation-result__deck-selector,
  .translation-rate-controls,
  .translation-rate-controls__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .translation-result__spacer {
    display: none;
  }

  .translate-composer__language-row {
    grid-template-columns: 1fr;
  }

  .review-card__face--front,
  .review-card__face--back {
    padding: 1rem;
  }

  .review-rating__grid {
    grid-template-columns: 1fr;
  }

  .translation-deck-select {
    width: 100%;
    min-width: 0;
  }

  .translation-result__deck-selector {
    width: 100%;
  }

  .translation-result__bookmark-controls.translation-save-module {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.55rem;
    min-width: 0;
    width: 100%;
  }

  .translation-save-module__destination {
    width: 100%;
    min-width: 0;
  }

  .translation-save-module__create {
    display: flex;
    width: auto;
  }

  .translate-placeholder__button {
    flex: 1 1 100%;
    width: 100%;
  }

  .landing-hero__actions,
  .cs-checkbox-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .landing-credibility {
    flex-direction: column;
    align-items: center;
  }

  .hiisi-form-actions,
  .hiisi-form-actions--split {
    justify-content: stretch;
  }

  .hiisi-form-actions > *,
  .translate-composer__actions > *,
  .landing-hero__actions > *,
  .landing-hero__actions .landing-cta-link,
  .landing-hero__actions .landing-cta-link sl-button,
  .translation-result__bookmark-controls sl-button,
  .translation-bookmark-confirmation__link,
  .translation-bookmark-confirmation__link sl-button,
  .translation-rate-controls sl-button,
  .cs-submit-button,
  .newsletter-unsubscribe-submit {
    flex: 1 1 100%;
  }

  .translate-composer__actions sl-button::part(base),
  .landing-public-translate__submit::part(base),
  .landing-hero__actions sl-button::part(base),
  .landing-hero__actions .landing-cta-link sl-button::part(base),
  .translation-result__bookmark-controls sl-button::part(base),
  .translation-bookmark-confirmation__link sl-button::part(base),
  .translation-rate-controls sl-button::part(base),
  .cs-submit-button::part(base),
  .newsletter-unsubscribe-submit::part(base) {
    width: 100%;
    justify-content: center;
  }

  .translation-result__bookmark-controls .translation-save-module__create-button {
    flex: 0 0 auto;
  }

  .translation-result__bookmark-controls .translation-save-module__create-button::part(base) {
    width: 2.75rem;
    padding-inline: 0;
  }

  .dashboard-progress-fragment,
  .dashboard-subscription-fragment__row {
    flex-direction: column;
    align-items: flex-start;
  }

  .dashboard-progress-fragment__label {
    min-width: 0;
    text-align: left;
  }

  .dashboard-recent-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .dashboard-recent-row__action,
  .dashboard-hero__actions a {
    width: 100%;
  }

  .dashboard-hero__side {
    justify-items: stretch;
  }

  .dashboard-hero__streak {
    grid-template-columns: auto minmax(0, 1fr);
    justify-self: stretch;
  }

  .dashboard-hero__actions sl-button::part(base) {
    width: 100%;
    justify-content: center;
  }

  .starter-deck-status-panel__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .starter-deck-status-panel__actions > a,
  .starter-deck-status-panel__actions > form,
  .starter-deck-status-panel__actions sl-button::part(base) {
    width: 100%;
  }

  .flashcards-page-controls__secondary,
  .flashcards-page-controls__secondary-actions,
  .flashcards-pagination,
  .flashcards-pagination__actions,
  .flashcard-card__recollection-header {
    flex-direction: column;
    align-items: stretch;
  }

  .flashcards-toggle {
    width: 100%;
  }

  .flashcards-page-controls__secondary-actions > sl-button,
  .flashcards-pagination__actions > sl-button,
  .flashcards-page__create-action {
    flex: 1 1 100%;
  }

  .flashcards-page-controls__secondary-actions > sl-button::part(base),
  .flashcards-pagination__actions > sl-button::part(base),
  .flashcards-page__create-action::part(base) {
    width: 100%;
    justify-content: center;
  }

  .flashcard-image-dialog__submit::part(base),
  .flashcard-image-dialog__delete::part(base) {
    width: 100%;
    justify-content: center;
  }
}