.portfolio-nav__brand-group {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
}

.portfolio-language {
  position: relative;
  display: inline-flex;
  padding-bottom: 0.375rem;
  margin-bottom: -0.375rem;
}

.portfolio-language__current {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 1.75rem;
  border: 0;
  border-radius: 999rem;
  background-color: transparent;
  color: var(--ru-muted);
  cursor: default;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  padding: 0 0.375rem;
}

.portfolio-language__chevron {
  width: 1em;
  height: 1em;
  color: currentColor;
}

.portfolio-language__menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 3;
  min-width: 4rem;
  border: 0.0625rem solid var(--ru-border);
  border-radius: 0.375rem;
  background-color: var(--ru-surface);
  box-shadow: var(--ru-shadow);
  opacity: 0;
  padding: 0.25rem;
  pointer-events: none;
  transform: translateY(-0.25rem);
  transition: opacity 160ms ease, transform 160ms ease;
}

.portfolio-language:hover .portfolio-language__menu,
.portfolio-language:focus-within .portfolio-language__menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.portfolio-language:hover .portfolio-language__current,
.portfolio-language:focus-within .portfolio-language__current {
  color: var(--ru-text);
}

.portfolio-language__option {
  display: block;
  border-radius: 0.25rem;
  color: var(--ru-text);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.2;
  padding: 0.375rem 0.5rem;
  text-decoration: none;
}

.portfolio-language__option:hover,
.portfolio-language__option:focus-visible {
  background-color: var(--ru-bg);
  outline: none;
}

.portfolio-footer__top-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 2rem;
  border: 0.0625rem solid var(--ru-border);
  border-radius: 999rem;
  background-color: var(--ru-surface);
  box-shadow: var(--ru-shadow);
  padding: 0.3125rem 0.75rem;
}

.portfolio-footer__top-link:hover,
.portfolio-footer__top-link:focus-visible {
  border-color: var(--ru-border-strong);
  outline: none;
}

.portfolio-footer__top-icon {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
}

.portfolio-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 1.5rem);
  bottom: clamp(1rem, 3vw, 1.5rem);
  z-index: 90;
  display: flex;
  flex-direction: column;
  max-width: calc(100vw - 2rem);
}

.portfolio-fab__link {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  max-width: 100%;
  min-width: 0;
  color: #fff;
  text-decoration: none;
}

.portfolio-fab__tooltip-wrap {
  display: flex;
  flex-direction: column;
  max-width: calc(100vw - 5rem);
  min-width: 0;
  opacity: 0;
  padding-right: 0.75rem;
  transform: translateX(0.5rem);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s ease;
  visibility: hidden;
}

.portfolio-fab__link:hover .portfolio-fab__tooltip-wrap,
.portfolio-fab__link:focus-visible .portfolio-fab__tooltip-wrap {
  opacity: 1;
  transform: translateX(0);
  visibility: visible;
}

.portfolio-fab__tooltip {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  min-width: 0;
  border: 0.0625rem solid var(--ru-border);
  border-radius: 999rem;
  background-color: var(--ru-surface);
  box-shadow: var(--ru-shadow);
  color: var(--ru-text);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.25rem;
  overflow-wrap: break-word;
  padding: 0.5rem 0.875rem;
  white-space: normal;
}

.portfolio-fab__button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 0.0625rem solid #27a7e7;
  border-radius: 999rem;
  background-color: #27a7e7;
  box-shadow: var(--ru-shadow);
  transition:
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.portfolio-fab__link:hover .portfolio-fab__button,
.portfolio-fab__link:focus-visible .portfolio-fab__button {
  box-shadow:
    0 0.0625rem 0.1875rem rgba(39, 167, 231, 0.2),
    0 1rem 2.5rem rgba(39, 167, 231, 0.35);
  transform: translateY(-0.0625rem);
}

.portfolio-fab__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.portfolio-fab__icon {
  display: block;
  width: 1.5rem;
  height: 1.5rem;
}

.portfolio-tooltip {
  position: relative;
  display: inline;
  border-bottom: 0.0625rem dashed currentColor;
  color: var(--ru-text);
  cursor: help;
}

.portfolio-tooltip__bubble {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.5rem);
  z-index: 4;
  width: max-content;
  max-width: min(26rem, 82vw);
  border-radius: 0.375rem;
  background-color: var(--ru-text);
  color: var(--ru-bg);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.35;
  opacity: 0;
  padding: 0.5rem 0.625rem;
  pointer-events: none;
  transform: translate(-50%, 0.25rem);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.portfolio-tooltip:hover .portfolio-tooltip__bubble,
.portfolio-tooltip:focus-within .portfolio-tooltip__bubble {
  opacity: 1;
  transform: translate(-50%, 0);
}

.portfolio-video-tooltip {
  position: relative;
  display: inline;
  border-bottom: 0.0625rem dashed currentColor;
  color: var(--ru-text);
  cursor: help;
}

.portfolio-video-tooltip__bubble {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  width: min(28rem, calc(100vw - 2rem));
  border: 0.0625rem solid var(--ru-border);
  border-radius: 0.5rem;
  background-color: var(--ru-text);
  box-shadow: var(--ru-shadow);
  color: #fff;
  opacity: 0;
  padding: 0.5rem;
  pointer-events: none;
  transform: translateY(0.25rem);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
  visibility: hidden;
}

.portfolio-video-tooltip__bubble.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.portfolio-video-tooltip__media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: min(18rem, 56vh);
  border-radius: 0.375rem;
  background-color: #000;
  object-fit: contain;
}

.portfolio-video-tooltip__controls {
  display: grid;
  align-items: center;
  grid-template-columns: 2rem minmax(0, 1fr) 2rem;
  gap: 0.625rem;
}

.portfolio-video-tooltip__button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.24);
  border-radius: 999rem;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  cursor: pointer;
  font-size: 0;
  padding: 0;
}

.portfolio-video-tooltip__button:hover,
.portfolio-video-tooltip__button:focus-visible {
  background-color: rgba(255, 255, 255, 0.2);
  outline: none;
}

.portfolio-video-tooltip__button::before {
  width: 0;
  height: 0;
  margin-left: 0.125rem;
  border-top: 0.375rem solid transparent;
  border-bottom: 0.375rem solid transparent;
  border-left: 0.5625rem solid currentColor;
  content: "";
}

.portfolio-video-tooltip__button.is-playing::before {
  width: 0.625rem;
  height: 0.75rem;
  margin-left: 0;
  border: 0;
  background:
    linear-gradient(currentColor, currentColor) left / 0.1875rem 100% no-repeat,
    linear-gradient(currentColor, currentColor) right / 0.1875rem 100% no-repeat;
}

.portfolio-video-tooltip__button--sound {
  font-size: 1rem;
}

.portfolio-video-tooltip__button--sound::before {
  display: none;
}

.portfolio-video-tooltip__icon {
  width: 1.125rem;
  height: 1.125rem;
}

.portfolio-video-tooltip__sound-tooltip {
  position: absolute;
  right: 0;
  bottom: calc(100% + 0.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: max-content;
  max-width: min(15rem, 74vw);
  border-radius: 0.375rem;
  background-color: #fff;
  color: #141414;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  opacity: 0;
  padding: 0.375rem 0.5rem;
  pointer-events: none;
  transform: translateY(0.25rem);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
  white-space: normal;
}

.portfolio-video-tooltip__sound-title {
  display: block;
}

.portfolio-video-tooltip__sound-warning {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: rgba(20, 20, 20, 0.72);
  font-size: 0.6875rem;
  font-weight: 500;
}

.portfolio-video-tooltip__sound-warning-icon {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  color: #141414;
}

.portfolio-video-tooltip__button--sound:hover .portfolio-video-tooltip__sound-tooltip,
.portfolio-video-tooltip__button--sound:focus-visible .portfolio-video-tooltip__sound-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-video-tooltip__range {
  width: 100%;
  min-width: 0;
  accent-color: #fff;
  cursor: pointer;
}

.case-carousel {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #ececea;
}

.case-carousel__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.case-carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.case-carousel__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.case-carousel__button {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(2rem, 4vw, 2.5rem);
  height: clamp(2rem, 4vw, 2.5rem);
  border: 0.0625rem solid rgba(255, 255, 255, 0.24);
  border-radius: 999rem;
  background-color: rgba(0, 0, 0, 0.48);
  color: #fff;
  cursor: pointer;
  opacity: 0.9;
  padding: 0;
  transform: translateY(-50%);
  transition:
    background-color 160ms ease,
    opacity 160ms ease,
    transform 160ms ease;
}

.case-carousel__button--prev {
  left: 0.75rem;
}

.case-carousel__button--next {
  right: 0.75rem;
}

.case-carousel:hover .case-carousel__button,
.case-carousel:focus-within .case-carousel__button {
  opacity: 1;
}

.case-carousel__button:hover,
.case-carousel__button:focus-visible {
  background-color: rgba(0, 0, 0, 0.72);
  outline: none;
  transform: translateY(-50%) scale(1.04);
}

.case-carousel__icon {
  width: 1.25rem;
  height: 1.25rem;
}

.case-card__title {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  width: fit-content;
  max-width: 100%;
  position: relative;
}

.case-anchor-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  margin: 0;
  border: 0;
  border-radius: 999rem;
  background-color: transparent;
  color: var(--ru-muted);
  cursor: pointer;
  font: inherit;
  line-height: 1;
  opacity: 0;
  padding: 0;
  transform: translateY(0.0625rem);
  transition: background-color 160ms ease, color 160ms ease, opacity 160ms ease;
}

.case-card__title:hover .case-anchor-button,
.case-card__title:focus-within .case-anchor-button,
.case-anchor-button.is-copied {
  opacity: 1;
}

.case-anchor-button:hover,
.case-anchor-button:focus-visible {
  background-color: var(--ru-bg);
  color: var(--ru-text);
  outline: none;
}

.case-anchor-button__tooltip {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.5rem);
  z-index: 2;
  width: max-content;
  max-width: min(14rem, 70vw);
  border-radius: 0.375rem;
  background-color: var(--ru-text);
  color: var(--ru-bg);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.25;
  opacity: 0;
  padding: 0.375rem 0.5rem;
  pointer-events: none;
  transform: translate(-50%, 0.25rem);
  transition: opacity 160ms ease, transform 160ms ease;
  white-space: normal;
}

.case-anchor-button.is-copied .case-anchor-button__tooltip {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 48rem) {
  .portfolio-tooltip__bubble,
  .case-anchor-button__tooltip {
    display: none;
  }

  .portfolio-fab {
    right: 1rem;
    bottom: 1rem;
  }

  .portfolio-fab__tooltip-wrap {
    display: none;
  }

  .portfolio-fab__button {
    width: 3rem;
    height: 3rem;
  }

  .portfolio-fab__icon {
    width: 1.375rem;
    height: 1.375rem;
  }
}