/* See ./value-proposition.md for design notes and rationale. */
.value-proposition {
  --vp-transition: 550ms cubic-bezier(0.4, 0, 0.2, 1);
  --vp-card-radius: 8px;
  --vp-card-w: 260px;
  --vp-card-h: 380px;
  --vp-card-w-active: 280px;
  --vp-card-h-active: 420px;
  --vp-card-gap: 16px;

  /* Desktop trust pill (light, frosted) on the large image. */
  --vp-badge-bg: rgb(255 255 255 / 90%);
  --vp-badge-border: rgb(255 255 255 / 70%);
  --vp-frost-eyebrow-bg: rgb(0 0 0 / 30%);
  --vp-frost-expand-bg: rgb(0 0 0 / 30%);
  --vp-frost-border: rgb(255 255 255 / 25%);
  --vp-frost-blur: blur(10px);
  --vp-scrim: linear-gradient(180deg, rgb(0 0 0 / 0%) 30%, rgb(0 0 0 / 85%) 100%);
  --vp-col-gap: var(--ll-space-14);

  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--ll-space-8);
  padding-block: var(--ll-space-9);
}

/* --- Intro ----------------------------------------------------------- */
.value-proposition__intro {
  display: flex;
  flex-direction: column;
  gap: var(--ll-space-6);
}

.value-proposition__heading {
  margin: 0;
  color: var(--ll-color-text-secondary);
  font-family: var(--ll-text-h3-family);
  font-size: clamp(var(--ds-font-size-28), 6vw, var(--ll-text-h3-size));
  font-weight: var(--ll-text-h3-weight);
  line-height: 1.15;
  letter-spacing: var(--ll-text-h4-letter-spacing);
}

.value-proposition__lead {
  margin: 0;
  color: var(--ll-color-text-secondary);
  font-family: var(--ll-text-body-sm-family);
  font-size: var(--ll-text-body-sm-size);
  font-weight: var(--ll-text-body-sm-weight);
  line-height: var(--ll-text-body-sm-line-height);
  letter-spacing: var(--ll-text-body-sm-letter-spacing);
}

/* --- Coverflow stage (mobile / tablet) ------------------------------- */
.value-proposition__list {
  position: relative;
  display: block;
  height: var(--vp-card-h-active);
  padding: 0;
  overflow: hidden;
  width: 100vw;
  margin-block: 0;
  margin-inline: calc(50% - 50vw);
  touch-action: pan-y;
}

.value-proposition__item {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  width: var(--vp-card-w);
  height: var(--vp-card-h);
  overflow: hidden;
  isolation: isolate;
  border-radius: var(--vp-card-radius);
  background: var(--ll-color-bg-card);
  opacity: 0.7;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition:
    transform var(--vp-transition),
    width var(--vp-transition),
    height var(--vp-transition),
    opacity var(--vp-transition);
}

.value-proposition__item[data-active="true"] {
  width: var(--vp-card-w-active);
  height: var(--vp-card-h-active);
  opacity: 1;
  z-index: 2;
}

.value-proposition__item[data-pos="side"] {
  z-index: 1;
}

.value-proposition__item[data-pos="far"] {
  opacity: 0;
  pointer-events: none;
  z-index: 0;
}

/* --- Media ----------------------------------------------------------- */
.value-proposition__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
}

.value-proposition__picture,
.value-proposition__picture img {
  display: block;
  width: 100%;
  height: 100%;
}

.value-proposition__picture img {
  object-fit: cover;
}

.value-proposition__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--vp-scrim);
  pointer-events: none;
}

.value-proposition__badge {
  display: flex;
  align-items: center;
  gap: var(--ll-space-3);
  margin: 0;
  color: var(--ll-color-highlight-brand-light);
  font-family: var(--ll-text-body-sm-family);
  font-size: var(--ll-text-label-size);
  font-weight: var(--ds-font-weight-medium);
  line-height: var(--ll-text-label-line-height);
  letter-spacing: var(--ll-text-label-letter-spacing);
}

.value-proposition__badge--inline {
  grid-area: badge;
  margin-block-start: var(--ll-space-6);
}

/* The desktop pill copy is hidden on small screens. */
.value-proposition__badge--media {
  display: none;
}

.value-proposition__badge-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  flex: none;
  background-color: currentcolor;
  mask: var(--value-proposition-badge-icon-url) center / contain no-repeat;
  /* stylelint-disable-next-line property-no-vendor-prefix --
     Safari < 15.4 still requires the -webkit-mask shorthand. */
  -webkit-mask: var(--value-proposition-badge-icon-url) center / contain no-repeat;
}

.value-proposition__badge-icon > img {
  display: none;
}

.value-proposition__expand {
  position: absolute;
  z-index: 3;
  inset-block-start: var(--ll-space-4);
  inset-inline-end: var(--ll-space-5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--vp-frost-border);
  border-radius: var(--ll-radius-s);
  background: var(--vp-frost-expand-bg);
  backdrop-filter: var(--vp-frost-blur);
  color: var(--ll-color-text-inverse);
  opacity: 1;
  visibility: visible;
  pointer-events: none;
  transition: opacity var(--vp-transition), visibility var(--vp-transition);
}

.value-proposition__item.is-expanded .value-proposition__expand {
  opacity: 0;
  visibility: hidden;
}

/* --- Card text overlay (mobile / tablet) ----------------------------- */
.value-proposition__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template:
    "kicker" auto
    ".     " 1fr
    "title " auto
    "body  " auto
    "badge " auto
    / 1fr;
  padding-block: var(--ll-space-4) var(--ll-space-6);
  padding-inline: var(--ll-space-5);
  color: var(--ll-color-text-inverse);
  pointer-events: none;
}

/* The number + eyebrow render as one frosted pill at the top of the card. */
.value-proposition__kicker {
  grid-area: kicker;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: var(--ll-space-2) var(--ll-space-3);
  border: 1px solid var(--vp-frost-border);
  border-radius: var(--ll-radius-s);
  background: var(--vp-frost-eyebrow-bg);
  backdrop-filter: var(--vp-frost-blur);
}

.value-proposition__num,
.value-proposition__eyebrow {
  font-family: var(--ll-text-body-sm-family);
  font-size: var(--ll-text-label-size);
  font-weight: var(--ds-font-weight-medium);
  line-height: var(--ll-text-label-line-height);
  letter-spacing: var(--ll-text-label-letter-spacing);
}

.value-proposition__num {
  grid-area: num;
  display: none;
}

.value-proposition__eyebrow {
  grid-area: eyebrow;
}

/* Middle-dot separator inside the pill (only when an eyebrow follows). */
.value-proposition__num:not(:last-child)::after {
  content: "·";
  margin-inline: 0.45ch;
}

.value-proposition__trigger {
  grid-area: title;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: start;
  cursor: pointer;
  pointer-events: auto;
}

.value-proposition__title {
  font-family: var(--ll-text-h6-family);
  font-size: var(--ll-text-h7-size);
  font-weight: var(--ll-text-h7-weight);
  line-height: var(--ll-text-h7-line-height);
  letter-spacing: var(--ll-text-h6-letter-spacing);
}

.value-proposition__body {
  grid-area: body;
  max-height: 0;
  margin: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--vp-transition), opacity var(--vp-transition);
}

.value-proposition__body p {
  margin: var(--ll-space-3) 0 0;
  font-family: var(--ll-text-body-sm-family);
  font-size: var(--ll-text-body-sm-size);
  font-weight: var(--ll-text-body-sm-weight);
  line-height: var(--ll-text-body-sm-line-height);
  letter-spacing: var(--ll-text-body-sm-letter-spacing);
}

.value-proposition__item.is-expanded .value-proposition__body {
  max-height: 320px;
  opacity: 1;
}

/* --- Icons (mask-painted, theme-aware) ------------------------------- */
.value-proposition__icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  flex: none;
  background-color: currentcolor;
  mask: var(--value-proposition-icon-url) center / contain no-repeat;
  /* stylelint-disable-next-line property-no-vendor-prefix --
     Safari < 15.4 still requires the -webkit-mask shorthand. */
  -webkit-mask: var(--value-proposition-icon-url) center / contain no-repeat;
}

.value-proposition__icon > img {
  display: none;
}

.value-proposition__expand-icon {
  display: block;
  width: 12px;
  height: 14px;
}

/* --- Controls (mobile / tablet only) --------------------------------- */
.value-proposition__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ll-space-5);
  margin-block-start: var(--ll-space-3);
}

.value-proposition__dots {
  display: flex;
  align-items: center;
}

.value-proposition__dot {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: width var(--vp-transition);
}

.value-proposition__dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--ll-radius-pill);
  background: var(--ll-color-border-default);
  transition:
    width var(--vp-transition),
    background-color var(--vp-transition);
}

.value-proposition__dot[aria-selected="true"] {
  width: 40px;
}

.value-proposition__dot[aria-selected="true"]::before {
  width: 24px;
  background: var(--ll-color-text-brand);
}

.value-proposition__arrows {
  display: flex;
  align-items: center;
  gap: var(--ll-space-5);
}

.value-proposition__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--ll-color-text-primary);
  border-radius: var(--ll-radius-pill);
  background: transparent;
  color: var(--ll-color-text-primary);
  cursor: pointer;
}

.value-proposition__arrow .value-proposition__icon {
  width: 24px;
  height: 24px;
}

.value-proposition__arrow:hover {
  border-color: var(--ll-color-text-brand);
  color: var(--ll-color-text-brand);
}

/* --- Tablet ---------------------------------------------------------- */
@media (width >= 768px) {
  .value-proposition {
    gap: var(--ll-space-12);
    padding-block: var(--ll-space-15);

    --vp-card-w: 320px;
    --vp-card-h: 448px;
    --vp-card-w-active: 344px;
    --vp-card-h-active: 480px;
  }

  .value-proposition__heading {
    letter-spacing: var(--ll-text-h3-letter-spacing);
  }

  .value-proposition__lead {
    font-size: var(--ll-text-body-lg-size);
    line-height: var(--ll-text-body-lg-line-height);
    letter-spacing: var(--ll-text-body-lg-letter-spacing);
  }

  .value-proposition__content {
    padding-block: var(--ll-space-5) var(--ll-space-7);
    padding-inline: var(--ll-space-6);
  }

  .value-proposition__expand {
    inset-block-start: var(--ll-space-5);
    inset-inline-end: var(--ll-space-6);
  }

  .value-proposition__title {
    font-size: var(--ll-text-h6-size);
    line-height: var(--ll-text-h6-line-height);
  }

  .value-proposition__num,
  .value-proposition__eyebrow,
  .value-proposition__badge {
    font-size: var(--ll-text-button-sm-size);
    line-height: var(--ll-text-button-sm-line-height);
    letter-spacing: var(--ll-text-button-sm-letter-spacing);
  }
}

/* --- Desktop: two-column band, image swap, no carousel --------------- */
@media (width >= 1024px) {
  .value-proposition {
    display: block;
    min-height: 640px;
    padding-block: var(--ll-space-15);
    padding-inline: var(--ll-space-13) 0;
  }

  .value-proposition.block {
    max-width: min(100dvw, 1440px);
    margin-inline: auto;
  }

  .value-proposition__intro,
  .value-proposition__list {
    width: calc((100% - var(--vp-col-gap)) * 0.48);
  }

  .value-proposition__intro {
    margin-block-end: var(--ll-space-12);
  }

  .value-proposition__list {
    position: static;
    display: flex;
    flex-direction: column;
    gap: 0;
    height: auto;
    margin-inline: 0;
    padding-block: 0;
    overflow: visible;
  }

  .value-proposition__item {
    position: static;
    flex: none;
    width: auto;
    height: auto;
    aspect-ratio: auto;
    overflow: visible;
    border-radius: 0;
    background: none;
    opacity: 1;
    border-block-start: 1px solid var(--ll-color-border-default);
    padding-block: var(--ll-space-7);
    padding-inline: var(--ll-space-7);
    transform: none;
  }

  .value-proposition__item[data-active="true"] {
    width: auto;
    height: auto;
    transform: none;
    z-index: auto;
  }

  .value-proposition__item:last-of-type {
    border-block-end: 1px solid var(--ll-color-border-default);
  }

  .value-proposition__content {
    position: relative;
    display: grid;
    grid-template:
      "num eyebrow" auto
      ".   title" auto
      ".   body" auto
      / auto 1fr;
    column-gap: var(--ll-space-8);
    padding: 0;
    color: var(--ll-color-text-secondary);
    opacity: 0.5;
    pointer-events: auto;
    transition: opacity var(--vp-transition);
  }

  .value-proposition__content::before {
    content: "";
    position: absolute;
    inset-block: 0;
    inset-inline-start: calc(-1 * var(--ll-space-7));
    width: 4px;
    border-radius: var(--ll-radius-pill);
    background: var(--ll-color-text-primary);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--vp-transition);
  }

  .value-proposition__item[data-active="true"] .value-proposition__content::before {
    transform: scaleY(1);
  }

  .value-proposition__item[data-active="true"] .value-proposition__content {
    opacity: 1;
  }

  .value-proposition__kicker {
    display: contents;
  }

  .value-proposition__num {
    display: block;
    color: var(--ll-color-text-primary);
  }

  .value-proposition__num:not(:last-child)::after {
    content: none;
  }

  .value-proposition__eyebrow {
    color: var(--ll-color-text-brand);
  }

  .value-proposition__trigger {
    margin-block-start: var(--ll-space-4);
  }

  .value-proposition__title {
    color: var(--ll-color-text-secondary);
    font-size: var(--ll-text-h6-size);
  }

  .value-proposition__body p {
    margin-block-start: var(--ll-space-5);
    font-size: var(--ll-text-body-base-size);
    line-height: var(--ll-text-body-base-line-height);
    letter-spacing: var(--ll-text-body-base-letter-spacing);
  }

  .value-proposition__body {
    max-height: none;
    height: 0;
    transition:
      height var(--vp-transition),
      opacity var(--vp-transition);
  }

  .value-proposition__item[data-active="true"] .value-proposition__body {
    max-height: none;
    height: calc((2 * var(--ll-text-body-base-line-height)) + var(--ll-space-5));
    opacity: 1;
  }

  .value-proposition__media {
    position: absolute;
    inset-block: var(--ll-space-15);
    inset-inline: auto 0;
    width: calc((100% - var(--ll-space-13) - var(--vp-col-gap)) * 0.52);
    overflow: visible;
    border-radius: 0;
    opacity: 0;
    pointer-events: none;
    cursor: default;
    transition: opacity var(--vp-transition);
  }

  .value-proposition__picture {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
  }

  .value-proposition__media .value-proposition__picture img {
    transform: scale(1.06);
    transition: transform var(--vp-transition);
  }

  .value-proposition__item[data-active="true"] .value-proposition__media .value-proposition__picture img {
    transform: scale(1);
  }

  .value-proposition__media::after {
    display: none;
  }

  .value-proposition__item[data-active="true"] .value-proposition__media {
    opacity: 1;
    pointer-events: auto;
  }

  .value-proposition__badge--inline {
    display: none;
  }

  .value-proposition__badge--media {
    position: sticky;
    z-index: 3;
    top: calc(
      var(--sticky-container-top-height, 0px)
      + var(--product-nav-height, 0px)
      + var(--ll-space-7)
    );
    display: inline-flex;
    align-items: center;
    width: max-content;
    max-width: calc(100% - (2 * var(--ll-space-7)));
    margin-block: var(--ll-space-7);
    margin-inline-start: var(--ll-space-7);
    gap: var(--ll-space-2);
    padding: var(--ll-space-2) var(--ll-space-4);
    border: 1px solid var(--vp-badge-border);
    border-radius: var(--ll-radius-s);
    background: var(--vp-badge-bg);
    color: var(--ll-color-text-brand);
    font-weight: var(--ll-text-body-sm-weight-emphasis);
  }

  .value-proposition__expand,
  .value-proposition__controls {
    display: none;
  }
}