/* work index — physical shelf display ───────────────────── */

.work {
  padding-block: var(--sc-p-space-96) var(--sc-p-space-120);
  display: flex;
  flex-direction: column;
  gap: var(--sc-p-space-120);
  /* Grid item of .page: min-width:auto would let it grow to the .shelf__items
     carousel's content width and overflow the page on narrow viewports. 0 lets
     it shrink so the carousel constrains to the viewport and scrolls internally. */
  min-width: 0;
}

@media (max-width: 767px) {
  .work {
    padding-block: var(--sc-p-space-48) var(--sc-p-space-64);
    gap: var(--sc-p-space-96);
  }
}

/* shelf section ───────────────────────────────────────── */

.shelf {
  display: flex;
  flex-direction: column;
  gap: var(--sc-p-space-32);
}

.shelf__label {
  font-family: var(--sc-p-font-family-mono);
  font-size: var(--sc-p-font-size-13);
  color: var(--sc-color-text-secondary);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  max-width: 1440px;
  margin-inline: auto;
  width: 100%;
}

.shelf__deck {
  position: relative;
}

.shelf__items {
  display: flex;
  align-items: flex-end;
  gap: clamp(var(--sc-p-space-48), 5vw, var(--sc-p-space-96));
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block-end: 0;
  margin-block-end: 0;
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
  scroll-padding-inline-start: clamp(1rem, 4vw, 2.5rem);
  -webkit-overflow-scrolling: touch;
  position: relative;
  z-index: 2;
  scroll-behavior: smooth;
}

.shelf__items::-webkit-scrollbar { display: none; }

/* shelf rail — full-bleed image, fixed height (Sprint 4) */
.shelf__rail {
  display: block;
  height: 160px;
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: max(100vw, 2246px) 160px;
  position: relative;
  z-index: 1;
  user-select: none;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 65%, transparent 100%);
}

@media (max-width: 767px) {
  .shelf__rail {
    height: 52px;
    background-size: max(100vw, 2246px) 52px;
  }
}

.shelf__rail--digital {
  background-image: url('../images/shelf/shelf-1.jpg');
}

.shelf__rail--woodworking {
  background-image: url('../images/shelf/shelf-2.jpg');
}

/* project item ────────────────────────────────────────── */

.project {
  display: flex;
  align-items: flex-end;
  gap: var(--sc-p-space-24);
  flex-shrink: 0;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.project__link {
  display: block;
  flex-shrink: 0;
  border-radius: var(--sc-radius-control);
  transition:
    transform var(--sc-motion-mode-duration) var(--sc-p-motion-easing-cinematic),
    filter var(--sc-motion-mode-duration) var(--sc-p-motion-easing-out);
  will-change: transform;
  transform-origin: bottom center;
}

.project__link:hover {
  filter: drop-shadow(0 var(--sc-p-space-16) var(--sc-p-space-24) color-mix(in srgb, var(--sc-p-color-utility-black) 18%, transparent));
}

.project__link:focus-visible {
  outline: var(--sc-border-width-focus) solid var(--sc-color-border-focus);
  outline-offset: var(--sc-p-space-8);
  border-radius: var(--sc-radius-control);
}

.project__link:active,
.project__link[data-pressed="true"] {
  transform: scale(0.96);
  transition-duration: var(--sc-p-motion-duration-micro);
  transition-timing-function: var(--sc-p-motion-easing-cinematic);
}

.project__link[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.4;
  filter: grayscale(1);
}

@media (hover: none) {
  .project__link:hover {
    transform: none;
    filter: none;
  }
}

/* placard ─────────────────────────────────────────────── */

.placard {
  display: flex;
  flex-direction: column;
  gap: var(--sc-p-space-8);
  margin-block-end: var(--sc-p-space-32);
  flex-shrink: 0;
  max-width: 16ch;
}

.placard__name {
  font-family: var(--sc-p-font-family-sans);
  font-size: var(--sc-p-font-size-16);
  font-weight: 400;
  color: var(--sc-color-text-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.placard__desc {
  font-family: var(--sc-p-font-family-mono);
  font-size: var(--sc-p-font-size-13);
  color: var(--sc-color-text-secondary);
  letter-spacing: 0.14em;
  line-height: 1.7;
  text-transform: uppercase;
}

@media (max-width: 480px) {
  .placard {
    max-width: 18ch;
    margin-block-end: var(--sc-p-space-24);
  }
  .placard__name { font-size: var(--sc-p-font-size-13); }
}

/* phone — flat diagrammatic ─────────────────────────────── */

.phone {
  width: var(--sc-p-space-64);
  height: calc(var(--sc-p-space-64) * 1.78);
  background: var(--sc-color-surface-deep-sunk);
  border-radius: var(--sc-radius-control);
  position: relative;
  border: 1px solid var(--sc-p-color-warm-gray-350);
}

.phone__screen {
  position: absolute;
  inset: var(--sc-p-space-8);
  background: var(--sc-p-color-warm-gray-350);
  border-radius: var(--sc-radius-control);
  display: grid;
  place-items: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .phone {
    width: calc(var(--sc-p-space-64) + var(--sc-p-space-16));
    height: calc((var(--sc-p-space-64) + var(--sc-p-space-16)) * 1.78);
  }
}

@media (min-width: 1024px) {
  .phone {
    width: var(--sc-p-space-96);
    height: calc(var(--sc-p-space-96) * 1.78);
  }
}

/* laptop — flat diagrammatic ───────────────────────────── */

.laptop {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.laptop__lid {
  width: calc(var(--sc-p-space-96) * 2.25);
  aspect-ratio: 3 / 2;
  background: var(--sc-color-surface-deep-sunk);
  border-radius: var(--sc-radius-control) var(--sc-radius-control) 0 0;
  position: relative;
  border: 1px solid var(--sc-p-color-warm-gray-350);
  border-bottom: 0;
}

.laptop__screen {
  position: absolute;
  inset: var(--sc-p-space-8);
  background: var(--sc-p-color-warm-gray-350);
  border-radius: var(--sc-radius-control);
  overflow: hidden;
}

.laptop__hinge {
  width: calc(var(--sc-p-space-96) * 2.25 + var(--sc-p-space-8));
  height: var(--sc-p-space-8);
  background: var(--sc-p-color-warm-gray-350);
  border-radius: var(--sc-radius-control);
}

.laptop__base {
  width: calc(var(--sc-p-space-96) * 2.25 + var(--sc-p-space-16));
  height: var(--sc-p-space-8);
  background: var(--sc-color-surface-deep-sunk);
  border-radius: 0 0 var(--sc-radius-control) var(--sc-radius-control);
  border: 1px solid var(--sc-p-color-warm-gray-350);
  border-top: 0;
}

@media (max-width: 480px) {
  .laptop__lid { width: calc(var(--sc-p-space-96) * 1.75); }
  .laptop__hinge { width: calc(var(--sc-p-space-96) * 1.75 + var(--sc-p-space-8)); }
  .laptop__base { width: calc(var(--sc-p-space-96) * 1.75 + var(--sc-p-space-16)); }
}

/* placeholder caption inside screen ────────────────────── */

.screen-fallback {
  font-family: var(--sc-p-font-family-mono);
  font-size: var(--sc-p-font-size-13);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sc-color-text-secondary);
  padding: var(--sc-p-space-8);
  text-align: center;
  line-height: 1.3;
  text-wrap: balance;
}

/* isometric woodworking objects — flat, no shadow ──────── */

.iso {
  flex-shrink: 0;
  display: block;
}

/* woodworking viewer canvas — Sprint 4 ─────────────────── */

.viewer-slot {
  display: block;
  width: 296px;
  height: 192px;
  flex-shrink: 0;
}

.project--viewer {
  align-items: flex-start;
}

.project--viewer .placard {
  margin-block-end: 0;
}

.iso--viewer {
  width: 296px;
  height: 192px;
  cursor: grab;
  touch-action: none;
  border-radius: var(--sc-radius-control);
  background: transparent;
  transition: outline-color var(--sc-motion-press-duration) var(--sc-p-motion-easing-out);
}

.iso--viewer:focus-visible {
  outline: var(--sc-border-width-focus) solid var(--sc-color-border-focus);
  outline-offset: var(--sc-p-space-8);
}

.iso--viewer[data-grabbing="true"] {
  cursor: grabbing;
}

@media (prefers-reduced-motion: reduce) {
  .iso--viewer { cursor: default; }
}

/* placard name as link — viewer position only ───────────── */

.placard__link {
  display: inline-block;
  border-radius: var(--sc-radius-control);
  transition: color var(--sc-motion-press-duration) var(--sc-p-motion-easing-out);
}

.placard__link:hover .placard__name,
.placard__link:focus-visible .placard__name {
  color: var(--sc-color-brand-accent-deep);
}

.placard__link:focus-visible {
  outline: var(--sc-border-width-focus) solid var(--sc-color-border-focus);
  outline-offset: var(--sc-p-space-8);
}

/* scroll-affordance edge fade — every width ───────────── */

.shelf__deck {
  --fade: clamp(var(--sc-p-space-24), 4vw, var(--sc-p-space-64));
}
.shelf__items {
  mask-image: linear-gradient(
    to right,
    transparent 0,
    var(--sc-p-color-utility-black) clamp(1rem, 4vw, 2.5rem),
    var(--sc-p-color-utility-black) calc(100% - var(--fade)),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    var(--sc-p-color-utility-black) clamp(1rem, 4vw, 2.5rem),
    var(--sc-p-color-utility-black) calc(100% - var(--fade)),
    transparent 100%
  );
}

/* reduced motion ───────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .shelf__items { scroll-behavior: auto; }
  .project__link {
    transition: none;
  }
  .project__link:hover { transform: none; filter: none; }
  .project__link:active,
  .project__link[data-pressed="true"] { transform: none; }
}