/* Skills marquee: two rows of tech logos scrolling in opposite directions. Pure CSS. */

.marquee {
  --marquee-gap: var(--space-6);
  --marquee-speed: 55s;

  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-block: 1px solid var(--color-border);
  background: var(--paper);
  overflow: hidden;
}

.marquee__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.marquee__label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--navy-soft);
}

.marquee__row {
  display: flex;
  gap: var(--marquee-gap);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  flex-shrink: 0;
  gap: var(--marquee-gap);
  min-width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  animation: marquee-scroll var(--marquee-speed) linear infinite;
}

.marquee__row--reverse .marquee__track {
  animation-direction: reverse;
  animation-duration: calc(var(--marquee-speed) * 1.15);
}

/* WCAG 2.2.2: the button pauses everything (touch + keyboard). Hovering a row also
   pauses it, but only on devices with a real pointer, because touch screens keep
   :hover "stuck" after a tap. */
.marquee.is-paused .marquee__track {
  animation-play-state: paused;
}

@media (hover: hover) {
  .marquee__row:hover .marquee__track {
    animation-play-state: paused;
  }
}

/* Compact pause/play pill. Drawn at 24px to sit on the label's line,
   with an invisible ::after that enlarges the touch target to 32px (WCAG 2.5.8). */
.marquee__toggle {
  position: relative;
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  height: 1.5rem;
  padding: 0 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 1;
  background: transparent;
  color: var(--navy-soft);
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.marquee__toggle::after {
  content: "";
  position: absolute;
  inset: -0.25rem;
  border-radius: var(--radius-pill);
}

.marquee__toggle:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.has-js .marquee__toggle {
  display: inline-flex;
}

.marquee__toggle svg {
  width: 0.5625rem;
  height: 0.5625rem;
}

.marquee__toggle[aria-pressed="true"] {
  background: var(--navy);
  color: var(--cream);
}

.marquee__track li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--navy);
}

.marquee__track svg {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  flex-shrink: 0;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-100% - var(--marquee-gap)));
  }
}

/* No motion: show a static, wrapped list instead of a scrolling one */
@media (prefers-reduced-motion: reduce) {
  .marquee__row {
    -webkit-mask-image: none;
    mask-image: none;
    width: min(100% - 2 * var(--gutter), var(--container));
    margin-inline: auto;
  }

  .marquee__track {
    flex: 1 1 100%;
    min-width: 0;
    flex-wrap: wrap;
    gap: var(--space-3) var(--space-5);
    animation: none;
  }

  .marquee__track[aria-hidden="true"],
  .has-js .marquee__toggle {
    display: none;
  }
}