/* Compact layout: ≤1023px */
@media (max-width: 63.9375rem) {
  :root {
    --header-height: 5rem;
    --level-page-padding: 2rem;
    --level-card-padding: 2rem;
    --font-size-heading-primary: 2.125rem;
    --card-edge-gap: 1.5rem;
    --map-camera-offset-y: 3.125rem;
    --theme-switch-height: calc(2.75rem * var(--ui-scale));
    --chrome-bottom: calc(var(--level-page-padding) + var(--theme-switch-height));
  }

  .page > .map-viewport {
    --card-height: calc(100% - var(--chrome-bottom) - var(--card-edge-gap));
    --card-min-height: var(--card-height);
  }

  .map-card.card {
    height: var(--card-height);
    max-height: var(--card-height);
  }

  .card__menu {
    flex-shrink: 0;
    min-height: 0;
    height: auto;
  }

  .map-card--subpage .card__menu {
    height: auto;
  }

  .site-header {
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--spacing-3);
  }

  .site-header__identity {
    flex: 1 1 auto;
    min-width: 0;
  }

  .site-header__name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-header__title {
    flex-shrink: 1;
    min-width: 0;
    width: auto;
    order: unset;
    padding-left: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-header__cta {
    flex-shrink: 0;
    margin-left: 0;
  }

  .site-header__cta .btn .btn__label {
    position: absolute;
    width: 0.0625rem;
    height: 0.0625rem;
    padding: 0;
    margin: -0.0625rem;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .about__highlights {
    grid-template-columns: 1fr;
    gap: var(--spacing-9);
  }

  .card__content--about .about__gallery {
    --about-gallery-media-height: 12.5rem;
    grid-template-columns: var(--about-gallery-media-height) minmax(0, 1fr);
    grid-template-rows: var(--about-gallery-media-height);
    gap: var(--spacing-2);
    height: auto;
    padding: var(--spacing-9) 0;
    overflow: visible;
  }

  .card__content--about .about__figure--portrait {
    grid-column: 1;
    grid-row: 1;
    width: var(--about-gallery-media-height);
    height: var(--about-gallery-media-height);
    max-width: var(--about-gallery-media-height);
    max-height: var(--about-gallery-media-height);
    aspect-ratio: 1 / 1;
  }

  .card__content--about .about__media--primary,
  .card__content--about .about__figure--prototype {
    display: none;
  }

  .card__content--about .about__gallery-stack--videos {
    display: contents;
  }

  .card__content--about .about__gallery-stack--videos .about__media--video {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
  }

  .card__content--about .about__gallery-stack--videos .about__media--video .about__video {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
  }

  .about__gallery {
    gap: var(--spacing-2);
    padding: var(--spacing-9) 0;
  }

  .cases__gallery.about__gallery {
    padding: var(--spacing-9) 0;
  }

  .card {
    flex-direction: column;
  }

  .card__divider {
    display: none;
  }

  .card__menu {
    width: 100%;
    flex-direction: column;
    justify-content: flex-start;
    border-top: 0.0625rem solid var(--stroke-dark-default);
    padding: calc(var(--level-menu-padding-y) * 0.5) var(--level-menu-padding-x);
  }

  .card__menu-bar {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-4);
    width: 100%;
    padding: 0;
  }

  .map-card--subpage .card__menu-bar .card__menu-actions,
  .map-card--subpage .card__menu-bar .card__menu-title {
    order: unset;
  }

  .card__menu-title {
    flex-shrink: 0;
    margin-top: 0.375rem;
    font-size: 1rem;
    line-height: var(--line-height-heading-tertiary);
  }

  .card__menu-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  ul.card__menu-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .card__back-link.card__menu-actions {
    align-self: flex-start;
  }

  .card__submenu {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-3);
  }
}

/* Mobile: ≤520px */
@media (max-width: 32.5rem) {
  :root {
    --header-height: 4.5rem;
    --level-page-padding: 1.25rem;
    --level-card-padding: 1.25rem;
    --level-menu-padding-x: 1.25rem;
    --level-menu-padding-y: 1.25rem;
    --font-size-heading-primary: 1.75rem;
    --font-size-heading-amount: 9rem;
    --font-size-heading-tertiary: 1.25rem;
    --avatar-size: 2.5rem;
    --card-edge-gap: 0.75rem;
    --map-camera-offset-y: 2.375rem;
  }

  .site-header {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-3);
    padding-top: var(--level-page-padding);
    padding-bottom: var(--level-page-padding);
  }

  .site-header__identity {
    width: auto;
  }

  .site-header__title {
    display: none;
  }

  .site-header__cta {
    width: auto;
  }

  .site-header__cta .btn {
    width: auto;
    justify-content: center;
  }

  .page > .map-viewport {
    padding-top: 0;
  }

  .hero__headline-block {
    padding-top: var(--spacing-9);
    padding-bottom: var(--spacing-4);
  }

  .hero__headline-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-right: 0;
  }

  .hero__logo {
    order: -1;
    width: 2.75rem;
    height: calc(2.75rem * 95 / 61);
  }

  .hero__headline {
    align-self: stretch;
    max-width: none;
  }

  .hero__columns,
  .contacts__columns {
    padding-top: var(--spacing-4);
    padding-bottom: var(--spacing-9);
  }

  .hero__columns,
  .contacts__columns {
    grid-template-columns: 1fr;
    gap: var(--spacing-9);
  }

  .card__content--about .about__gallery {
    gap: var(--spacing-1);
    padding: var(--spacing-4) 0;
  }

  .cases__gallery.about__gallery {
    display: grid;
    grid-template-columns: 34% minmax(0, 1fr);
    gap: var(--spacing-1);
    padding: var(--spacing-4) 0;
    align-items: stretch;
  }

  .cases__gallery .about__figure--portrait {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
  }

  .cases__gallery .about__gallery-stack {
    grid-column: 2;
    grid-row: 1;
    align-self: stretch;
    flex-direction: column;
    min-height: 0;
    gap: 0;
  }

  .cases__gallery .about__gallery-stack .about__media--video,
  .cases__gallery .about__gallery-stack .about__figure--prototype {
    display: none;
  }

  .cases__gallery .about__gallery-center {
    display: flex;
    flex: 1 1 0;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    height: 100%;
    gap: 0;
  }

  .cases__gallery .about__gallery-stack .about__media--thumb {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    height: 100%;
    aspect-ratio: 672 / 378;
  }

  .cases__gallery .about__gallery-stack .about__media--thumb .about__thumb {
    flex: 1 1 0;
    width: 100%;
    min-height: 0;
    height: 100%;
    object-fit: cover;
  }

  .cases__gallery .about__gallery-stack .about__media--video {
    display: flex;
    flex: 1 1 0;
    min-height: 0;
    height: 100%;
    background-color: transparent;
    border-radius: 0;
    overflow: visible;
  }

  .cases__gallery .about__gallery-stack .about__media--video .about__thumb {
    flex: 1 1 0;
    width: 100%;
    min-height: 0;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
  }

  .cases__gallery .about__gallery-stack .about__figure--prototype {
    display: none;
  }

  .about__gallery {
    padding: var(--spacing-4) 0;
  }

  .about__body {
    padding-top: var(--spacing-4);
    padding-bottom: var(--spacing-4);
  }

  .contacts__headline-block {
    padding-top: 0;
    padding-bottom: var(--spacing-9);
  }

  .contacts__headline {
    font-size: calc(var(--font-size-heading-primary) - 0.125rem);
  }

  .contacts__email {
    display: flex;
    width: 100%;
    max-width: 100%;
  }

  .contacts__email-arrow {
    display: none;
  }

  .contacts__column--closing {
    /* Match link-to-link rhythm: column gap + caption + label/link gap */
    margin-top: calc(var(--spacing-4) + var(--font-size-text-caption) * var(--line-height-text-caption));
    text-align: left;
  }

  .contacts__column:nth-child(2) .contact-link {
    width: fit-content;
  }

  .contacts__column:nth-child(2) .contact-link__label {
    flex: unset;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    word-break: break-word;
    direction: ltr;
  }

  ul.card__menu-actions {
    flex-direction: column;
    align-items: flex-end;
  }

  .card__back-link.card__menu-actions {
    flex-direction: row-reverse;
  }

  .card__submenu {
    flex-direction: column;
    align-items: flex-end;
    width: auto;
  }
}

/* Desktop: cap card height to available viewport space */
@media (min-width: 64rem) {
  :root {
    --theme-switch-height: calc(2.75rem * var(--ui-scale));
    --chrome-bottom: calc(var(--level-page-padding) + var(--theme-switch-height));
    --card-design-height: 37.5rem;
  }

  .page > .map-viewport {
    --card-available-height: calc(100% - var(--chrome-bottom));
    --card-height: min(var(--card-design-height), var(--card-available-height));
    --card-min-height: var(--card-height);
    padding-bottom: var(--chrome-bottom);
  }
}

/* Large desktop: proportional scale from 90rem, capped at 1.3 */
@media (min-width: 90rem) {
  :root {
    --theme-switch-height: calc(2.75rem * var(--ui-scale-applied));
    --chrome-bottom: calc(var(--level-page-padding) + var(--theme-switch-height));

    --ui-scale: calc(100vw / var(--ui-scale-ref));
    --ui-scale-applied: min(var(--ui-scale-max), max(1, var(--ui-scale)));

    /* Levels (before --card-width) */
    --level-page-padding: calc(2.5rem * var(--ui-scale-applied));
    --level-card-padding: calc(2.5rem * var(--ui-scale-applied));
    --level-menu-padding-x: calc(1.625rem * var(--ui-scale-applied));
    --level-menu-padding-y: calc(2.5rem * var(--ui-scale-applied));

    /* Layout */
    --card-width: min(
      calc(64rem * var(--ui-scale-applied)),
      calc(100vw - 2 * var(--level-page-padding))
    );
    --card-design-height: calc(37.5rem * var(--ui-scale-applied));
    --card-min-height: var(--card-design-height);
    --card-menu-width: calc(11.25rem * var(--ui-scale-applied));
    --header-height: calc(8rem * var(--ui-scale-applied));
    --avatar-size: calc(3rem * var(--ui-scale-applied));
    --icon-size: calc(1rem * var(--ui-scale-applied));
    --icon-size-dot: calc(0.375rem * var(--ui-scale-applied));

    /* Spacing */
    --spacing-0: calc(0.125rem * var(--ui-scale-applied));
    --spacing-1: calc(0.25rem * var(--ui-scale-applied));
    --spacing-2: calc(0.375rem * var(--ui-scale-applied));
    --spacing-3: calc(0.5rem * var(--ui-scale-applied));
    --spacing-4: calc(1rem * var(--ui-scale-applied));
    --spacing-9: calc(2.5rem * var(--ui-scale-applied));

    /* Typography */
    --font-size-heading-primary: calc(2.5rem * var(--ui-scale-applied));
    --font-size-heading-amount: calc(12rem * var(--ui-scale-applied));
    --font-size-heading-tertiary: calc(1.5rem * var(--ui-scale-applied));
    --font-size-text-secondary: calc(0.875rem * var(--ui-scale-applied));
    --font-size-text-reading: calc(1.125rem * var(--ui-scale-applied));
    --font-size-text-caption: calc(0.75rem * var(--ui-scale-applied));
    --font-size-action-secondary: calc(0.875rem * var(--ui-scale-applied));

    /* Radius */
    --radius-pill: calc(3.5rem * var(--ui-scale-applied));
    --radius-card: calc(1rem * var(--ui-scale-applied));
    --radius-3: calc(0.75rem * var(--ui-scale-applied));
    --radius-4: calc(0.5rem * var(--ui-scale-applied));

    /* Map */
    --map-camera-offset-y: calc(2.5rem * var(--ui-scale-applied));
    --map-slide-up: calc(0.5rem * var(--ui-scale-applied));

    /* Background */
    --page-grid-size: calc(2rem * var(--ui-scale-applied));

    /* Shadow */
    --shadow-lvl-1: 0 calc(0.375rem * var(--ui-scale-applied)) calc(1.5rem * var(--ui-scale-applied))
      calc(-0.1875rem * var(--ui-scale-applied)) rgba(0, 0, 0, 0.16);
  }

  .page > .map-viewport {
    --card-available-height: calc(100% - var(--chrome-bottom));
    --card-height: min(var(--card-design-height), var(--card-available-height));
    --card-min-height: var(--card-height);
  }
}