.expertise-title-track {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 2.5rem;
  z-index: 30;
  overflow: hidden;
  pointer-events: none;
}

.expertise-title {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-inline: auto;
  color: var(--color-heading-pastel);
  opacity: 0;
  animation: none;
  transform: none;
}

.expertise-title.expertise-title--hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.expertise-title.expertise-title--visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.expertise-title__text {
  display: block;
  width: 100%;
  font-family: 'Early Gameboy', var(--font-heading);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.88;
  color: inherit;
  white-space: nowrap;
  transform: none;
}

.expertise-title .pixel-hover-title__canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.expertise-title.pixel-hover-title--webgl-ready .expertise-title__text {
  opacity: 0;
}

.expertise-title.expertise-title--hidden .pixel-hover-title__canvas {
  opacity: 0;
  visibility: hidden;
}

.expertise-title.expertise-title--visible .pixel-hover-title__canvas {
  opacity: 1;
  visibility: visible;
}

.expertise-intro {
  display: grid;
  grid-template-columns: minmax(0, 35rem) auto;
  align-items: end;
  gap: 2.5rem;
  max-height: 12rem;
  margin-top: 2.25rem;
  overflow: hidden;
  color: var(--color-black-soft);
}

.expertise-intro--hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.expertise-intro--visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.expertise-intro__text {
  max-width: 35rem;
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: var(--body-letter-spacing);
}

.expertise-intro__index {
  justify-self: end;
  padding-bottom: 0.125rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1;
}

.expertise-list {
  flex: 1 1 auto;
  min-height: 0;
  margin-top: clamp(4rem, 9vh, 6.5rem);
  border-top: 1px solid var(--color-line-soft);
  color: var(--color-black-soft);
}

.expertise-list--hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.expertise-list--visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

.expertise-list--compact {
  margin-top: clamp(1.5rem, 4vh, 2.5rem);
}

.expertise-list__item {
  border-bottom: 1px solid var(--color-line-soft);
}

.expertise-list__heading {
  padding: 1.35rem 0 1.2rem;
  font-family: var(--font-subheading);
  font-size: var(--subheading-display-size);
  font-weight: 400;
  line-height: var(--subheading-display-line-height);
  letter-spacing: var(--subheading-letter-spacing);
  text-transform: uppercase;
  color: var(--color-black-soft);
}

.expertise-list__body-wrap {
  height: 0;
  overflow: hidden;
}

.expertise-list__body {
  max-width: 100%;
  padding-bottom: 1.35rem;
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: var(--body-letter-spacing);
  opacity: 0;
  transform: translateY(0.5rem);
}

@media (max-width: 1023px) {
  body.is-mobile-runtime .portfolio-transition-scene .expertise-title-track {
    top: 0.625rem;
    right: 0;
    bottom: auto;
    left: 0;
    height: calc(100% - 1.25rem);
  }

  .expertise-title-track {
    padding: 3rem 1.5rem 1.5rem;
  }

  .expertise-list {
    margin-top: clamp(3rem, 7vh, 4.5rem);
  }

  .expertise-list--compact {
    margin-top: clamp(1rem, 2.5vh, 1.75rem);
  }
}

@media (min-width: 1024px) and (max-width: 1439px) {
  .expertise-title-track {
    padding: 1.75rem 2rem 2rem;
  }

  .expertise-intro {
    grid-template-columns: minmax(0, 52.5rem) auto;
    gap: 1.75rem;
    margin-top: 1.5rem;
    max-height: 10rem;
  }

  .expertise-intro__text {
    max-width: 52.5rem;
    font-size: 1rem;
  }

  .expertise-list {
    margin-top: clamp(2rem, 5vh, 3.25rem);
  }

  .expertise-list--compact {
    margin-top: clamp(0.75rem, 2vh, 1.5rem);
  }

  .expertise-list__heading {
    padding: 1.1rem 0 1rem;
  }

  .expertise-list__body {
    font-size: 1rem;
  }

  .expertise-intro--laptop-collapsed {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
  }
}

@media (min-width: 1024px) {
  .expertise-intro {
    grid-template-columns: minmax(0, 52.5rem) auto;
  }

  .expertise-intro__text {
    max-width: 52.5rem;
  }

  .expertise-list__body {
    max-width: 70%;
  }
}

.expertise-intro--collapsed,
.expertise-intro--laptop-collapsed {
  max-height: 0;
  margin-top: 0;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.mobile-expertise-section {
  display: none;
}

body.is-desktop-top-flow .portfolio-transition-scene .green-transition-section,
body.is-desktop-top-flow .portfolio-transition-scene .expertise-title-track {
  display: none;
}

body.is-desktop-top-flow .mobile-expertise-section {
  display: block;
  width: 100%;
  min-height: 100vh;
  padding: 0.625rem 0;
  box-sizing: border-box;
}

body.is-desktop-top-flow .mobile-expertise-section__surface {
  position: relative;
  width: 100%;
  min-height: calc(100vh - 1.25rem);
  height: calc(100vh - 1.25rem);
  background: var(--color-surface-green);
  overflow: hidden;
}

body.is-desktop-top-flow .mobile-expertise-section .expertise-title-track {
  position: relative;
  inset: auto;
  width: 100%;
  height: 100%;
  min-height: 100%;
  padding: 2.5rem;
}

@media (max-width: 1023px) {
  body.is-mobile-runtime .portfolio-transition-scene .green-transition-section,
  body.is-mobile-runtime .portfolio-transition-scene .expertise-title-track {
    display: none;
  }

  body.is-mobile-runtime .mobile-expertise-section {
    display: block;
    width: 100%;
    min-height: 100vh;
    padding: 0.625rem 0;
    box-sizing: border-box;
  }

  body.is-mobile-runtime .mobile-expertise-section__surface {
    position: relative;
    width: 100%;
    min-height: calc(100vh - 1.25rem);
    height: calc(100vh - 1.25rem);
    background: var(--color-surface-green);
    overflow: hidden;
  }

  body.is-mobile-runtime .mobile-expertise-section .expertise-title-track {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    min-height: 100%;
    padding: 3rem 1rem 1.5rem;
  }

  body.is-mobile-runtime .portfolio-transition-scene .expertise-title-track {
    top: 0.625rem;
    right: 0;
    bottom: auto;
    left: 0;
    height: calc(100% - 1.25rem);
  }

  .expertise-title-track {
    padding: 3rem 1.5rem 1.5rem;
  }

  .expertise-intro {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.5rem;
    margin-top: 1.75rem;
  }

  .expertise-intro__text {
    font-size: 1rem;
  }

  .expertise-intro__index {
    font-size: 0.875rem;
  }

  .expertise-list {
    margin-top: 3rem;
  }

  .expertise-list--compact {
    margin-top: 1rem;
  }

  .expertise-list__heading {
    padding: 1rem 0 0.9rem;
  }

  .expertise-list__item--opening .expertise-list__body-wrap,
  .expertise-list__item--open .expertise-list__body-wrap {
    max-height: 26rem;
  }

  .expertise-list__body {
    padding-bottom: 1rem;
    font-size: 1rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  body.is-mobile-runtime .mobile-expertise-section .expertise-title-track {
    padding-inline: 2.5rem;
    padding-top: 8rem;
  }

  .expertise-intro__text,
  .expertise-list__body {
    font-size: 1.125rem;
  }
}