:host {
  display: block;
}

.section {
  margin-bottom: 4rem;
  scroll-margin-top: 5.5rem;
}

h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.section-title-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.3rem;
}

.section-title-row p {
  margin: 0;
  color: #8b949e;
}

.stack-carousel-shell {
  --carousel-nav-space: 4.25rem;
  position: relative;
  width: calc(100% + (var(--carousel-nav-space) * 2));
  margin-inline: calc(var(--carousel-nav-space) * -1);
  overflow: visible;
}

.stack-carousel-column {
  width: calc(100% - (var(--carousel-nav-space) * 2));
  margin-inline: auto;
}

.stack-carousel {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  width: 100%;
  padding: 0.2rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(88, 166, 255, 0.45) rgba(33, 38, 45, 0.65);
}

.stack-carousel.is-auto-scrolling {
  scroll-snap-type: none;
}

.stack-slide {
  flex: 0 0 min(320px, calc(100% - 0.2rem));
  scroll-snap-align: start;
}

.skill-heading {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.skill-heading h3 {
  margin: 0;
  font-size: 1.08rem;
}

.skill-icon {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  border: 1px solid rgba(88, 166, 255, 0.4);
  background: radial-gradient(circle at 30% 20%, rgba(88, 166, 255, 0.2), rgba(22, 27, 34, 0.95));
  box-shadow: inset 0 1px 0 rgba(240, 246, 252, 0.08);
  overflow: hidden;
  transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.skill-logo {
  width: 1.2rem;
  height: 1.2rem;
  object-fit: contain;
  opacity: 0.92;
  filter: grayscale(1) brightness(1.25) contrast(0.92);
  transition: transform 140ms ease, opacity 140ms ease, filter 140ms ease;
}

.skill-fallback {
  display: none;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #9ecbff;
}

.skill-icon.is-fallback .skill-logo {
  display: none;
}

.skill-icon.is-fallback .skill-fallback {
  display: inline;
}

.skill-card {
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.skill-card .meta {
  margin: 0.9rem 0 0;
  color: #8b949e;
  font-size: 0.92rem;
}

.stack-slide:hover .skill-icon,
.stack-slide:focus-within .skill-icon {
  border-color: rgba(121, 192, 255, 0.75);
  box-shadow: 0 0 0 3px rgba(56, 139, 253, 0.18), inset 0 1px 0 rgba(240, 246, 252, 0.14);
  background: radial-gradient(circle at 30% 20%, rgba(121, 192, 255, 0.28), rgba(22, 27, 34, 0.95));
}

.stack-slide:hover .skill-logo,
.stack-slide:focus-within .skill-logo {
  opacity: 1;
  transform: scale(1.04);
  filter: grayscale(1) brightness(1.4) contrast(1);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid #3d444d;
  border-radius: 999px;
  background: rgba(33, 38, 45, 0.8);
  color: #e6edf3;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(calc(-50% + 2px));
  transition: border-color 120ms ease, background-color 120ms ease, transform 120ms ease, opacity 120ms ease;
}

.stack-carousel-shell > .carousel-btn:first-of-type {
  left: 0.85rem;
}

.stack-carousel-shell > .carousel-btn:last-of-type {
  right: 0.85rem;
}

.stack-carousel-shell:hover .carousel-btn,
.stack-carousel-shell:focus-within .carousel-btn {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%);
}

.carousel-btn:hover {
  border-color: #58a6ff;
  background: rgba(56, 139, 253, 0.2);
  transform: translateY(calc(-50% - 1px));
}

.carousel-btn:focus-visible {
  outline: 2px solid #58a6ff;
  outline-offset: 2px;
}

@media (max-width: 760px) {
  .stack-carousel-shell {
    --carousel-nav-space: 0;
    width: 100%;
    margin-inline: 0;
  }

  .stack-carousel-column {
    width: 100%;
  }

  .carousel-btn {
    display: none;
  }

  .stack-slide {
    flex-basis: min(280px, 85%);
  }
}

@media (min-width: 1000px) {
  .stack-slide {
    flex-basis: calc((100% - 2rem) / 3);
  }
}