/* ==========================================================================
   Homepage opening sequence: full-screen slides that snap, with dot navigation.
   Entrances play when a slide gets .is-active (kusho-slides.js). Everything is visible and static
   without motion, and there is no snapping then either.
   ========================================================================== */

/* Snap only when the script has confirmed motion is allowed */
html.kusho-snap {
  scroll-snap-type: y proximity;
}

html.kusho-snap .kusho-hero-section .khero,
html.kusho-snap .kslide {
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.kslide {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 92svh;
  overflow: hidden;
}

/* Phones: slides size to their content and do not snap */
@media screen and (max-width: 749px) {
  .kslide {
    min-height: 0;
  }

  .kslide__inner {
    padding-block: var(--sp-7);
  }

  html.kusho-snap .kslide {
    scroll-snap-align: none;
  }
}

.kslide__inner {
  display: grid;
  justify-items: center;
  gap: var(--sp-5);
  width: 100%;
  padding-block: var(--sp-8);
  text-align: center;
}

.kslide__inner--split {
  justify-items: stretch;
  text-align: left;
}

@media screen and (min-width: 990px) {
  .kslide__inner--split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: var(--sp-9);
  }
}

/* ---- product slide ---- */
.kslide__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.kslide__chip {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--line);
  color: var(--stone);
  font-family: var(--font-ui);
  font-size: var(--fs-label);
  letter-spacing: var(--track-label);
  text-decoration: none;
  text-transform: uppercase;
  transition:
    color var(--dur-base) var(--ease-foam),
    border-color var(--dur-base) var(--ease-foam),
    background-color var(--dur-base) var(--ease-foam);
}

.kslide__chip.is-current,
.kslide__chip:hover {
  border-color: var(--kusho-green);
  background: var(--kusho-green);
  color: var(--white);
}

.kslide__title {
  max-width: 22ch;
  margin: 0;
  font-size: var(--fs-h1);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: var(--track-heading);
  text-transform: uppercase;
  text-wrap: balance;
}

.kslide__title--left {
  max-width: 18ch;
  color: var(--white);
}

.kslide__word {
  display: inline-block;
}

.kslide__figure {
  display: block;
  width: min(100%, 76rem);
  aspect-ratio: 7 / 4;
  cursor: pointer;
}

.kslide__name {
  color: inherit;
  text-decoration: none;
}

.kslide__name:hover {
  color: var(--kusho-green);
}

.kslide__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.kslide__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3) var(--sp-5);
}

.kslide__name {
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.kslide__price {
  font-family: var(--font-ui);
  font-size: var(--fs-body);
}

.kslide__was {
  margin-right: var(--sp-2);
  color: var(--stone);
}

/* ---- dark anatomy slide ---- */
.kslide--dark {
  background: #0c1410;
  color: var(--white);
}

.kslide__art {
  width: 100%;
}

.kslide__svg {
  display: block;
  width: 100%;
  height: auto;
}

.kslide__line {
  stroke: rgba(255, 255, 255, 0.85);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

.kslide__line--spine {
  stroke: var(--kusho-gold);
}

.kslide__dot {
  fill: var(--kusho-gold);
  opacity: 0;
}

.kslide__facts {
  display: grid;
  gap: var(--sp-4);
  margin: var(--sp-6) 0 0;
  padding: 0;
  list-style: none;
}

.kslide__facts li {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0 var(--sp-3);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.kslide__num {
  grid-row: span 2;
  color: var(--kusho-gold);
  font-family: var(--font-ui);
  font-size: var(--fs-label);
  letter-spacing: var(--track-label);
  padding-top: 0.3rem;
}

.kslide__fact-title {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 600;
  letter-spacing: var(--track-heading);
  text-transform: uppercase;
}

.kslide__fact-text {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.kslide__link {
  margin-top: var(--sp-6);
  color: var(--white);
}

/* ---- dots ---- */
.kdots {
  position: fixed;
  z-index: 30;
  top: 50%;
  left: var(--sp-4);
  transform: translateY(-50%);
  transition: opacity var(--dur-base) var(--ease-foam);
}

.kdots.is-hidden {
  opacity: 0;
  pointer-events: none;
}

@media screen and (max-width: 749px) {
  .kdots {
    display: none;
  }
}

.kdots ol {
  display: grid;
  gap: var(--sp-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.kdots__dot {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: inherit;
  text-decoration: none;
}

.kdots__mark {
  display: block;
  width: 0.8rem;
  height: 0.8rem;
  border: 1px solid currentcolor;
  border-radius: 50%;
  transition:
    transform var(--dur-base) var(--ease-rebound),
    background-color var(--dur-base) var(--ease-foam);
}

.kdots__dot.is-current .kdots__mark {
  background: currentcolor;
  transform: scale(1.3);
}

.kdots__label {
  font-family: var(--font-ui);
  font-size: var(--fs-micro);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(-0.4rem);
  transition:
    opacity var(--dur-base) var(--ease-foam),
    transform var(--dur-base) var(--ease-foam);
}

.kdots__dot:hover .kdots__label,
.kdots__dot:focus-visible .kdots__label {
  opacity: 1;
  transform: none;
}

/* Dots take the colour of the slide behind them: light on dark slides */
.kdots {
  color: var(--ink);
  mix-blend-mode: difference;
}

.kdots__dot {
  color: var(--white);
}

/* ==========================================================================
   Entrances (motion on only)
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  html[data-kusho-motion] .kslide [data-slide-item] {
    opacity: 0;
    transform: translateY(1.6rem);
    transition:
      opacity 550ms var(--ease-foam),
      transform 650ms var(--ease-foam);
    transition-delay: calc(var(--d, 0) * 70ms);
  }

  html[data-kusho-motion] .kslide.is-active [data-slide-item] {
    opacity: 1;
    transform: none;
  }

  html[data-kusho-motion] .kslide__word {
    display: inline-block;
    opacity: 0;
    transform: translateY(0.6em);
    transition:
      opacity 500ms var(--ease-foam),
      transform 650ms var(--ease-foam);
    transition-delay: calc(var(--i, 0) * 40ms + 120ms);
  }

  html[data-kusho-motion] .kslide.is-active .kslide__word {
    opacity: 1;
    transform: none;
  }

  /* The product photo settles in with a slight scale */
  html[data-kusho-motion] .kslide__figure {
    transform: translateY(2rem) scale(0.96);
  }

  html[data-kusho-motion] .kslide.is-active .kslide__figure {
    transform: none;
  }

  /* Line drawing: each path draws in turn, the spine guide last, then the gold marks pop */
  html[data-kusho-motion] .kslide__line {
    transition: stroke-dashoffset 1s var(--ease-foam);
  }

  html[data-kusho-motion] .kslide.is-active .kslide__line {
    stroke-dashoffset: 0;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__line--pillow {
    transition-delay: 200ms;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__line--inner {
    transition-delay: 500ms;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__line--head {
    transition-delay: 750ms;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__line--body {
    transition-delay: 1000ms;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__line--spine {
    transition-delay: 1300ms;
  }

  html[data-kusho-motion] .kslide__dot {
    transform-box: fill-box;
    transform-origin: center;
    transform: scale(0);
    transition:
      opacity 400ms var(--ease-foam),
      transform 600ms var(--ease-rebound);
  }

  html[data-kusho-motion] .kslide.is-active .kslide__dot {
    opacity: 1;
    transform: scale(1);
    transition-delay: 1800ms;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__dot:nth-of-type(2) {
    transition-delay: 1900ms;
  }

  html[data-kusho-motion] .kslide.is-active .kslide__dot:nth-of-type(3) {
    transition-delay: 2000ms;
  }
}

/* Without motion the drawing is complete */
@media (prefers-reduced-motion: reduce) {
  .kslide__line {
    stroke-dashoffset: 0;
  }

  .kslide__dot {
    opacity: 1;
  }
}

html:not([data-kusho-motion]) .kslide__line {
  stroke-dashoffset: 0;
}

html:not([data-kusho-motion]) .kslide__dot {
  opacity: 1;
}