/* bəˈspōk interior style : four hands lookbook
   Extends site.css / pages.css. No new tokens: everything below draws on
   --bark, --cream, --gold, --stone, --smoke and the three families. */

/* ---------- chapter rail ---------- */

.rail {
  position: sticky;
  /* sits flush under the sticky .subnav (mark 30px + 2 x 1.1rem padding);
     1px of overlap so no page content leaks through the seam */
  top: 63px;
  z-index: 30;
  background: rgba(25, 20, 16, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
}
.rail__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.85rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.rail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.6rem;
}
.rail__links a {
  font-family: var(--font-label);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: var(--smoke);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
}
.rail__links a:hover,
.rail__links a.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.rail__count {
  font-family: var(--font-label);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--stone);
  white-space: nowrap;
}

/* ---------- chapter ---------- */

.chapter {
  padding: clamp(3.5rem, 7vw, 7rem) var(--gutter);
  scroll-margin-top: 8rem;
}
.chapter + .chapter {
  border-top: 1px solid var(--rule);
}
.chapter__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
}
.chapter__no {
  font-family: var(--font-label);
  font-size: 0.625rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin: 0 0 0.9rem;
}
.chapter__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.85rem, 1.3rem + 2.4vw, 3.1rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0;
}
.chapter__blurb {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--stone);
  margin: 0;
  max-width: 46ch;
}

/* ---------- grid ---------- */

.pieces {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: clamp(1.5rem, 2.5vw, 2.5rem) clamp(1.25rem, 2vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.piece {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.piece__frame {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  background: var(--cream);
  overflow: hidden;
}
.piece__frame img {
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
/* lifestyle photography fills the frame; cutouts float on the cream ground */
.piece--cover .piece__frame img {
  object-fit: cover;
}
.piece--contain .piece__frame img {
  object-fit: contain;
  padding: 8%;
}
.piece:hover .piece__frame img {
  transform: scale(1.03);
}

.piece__tag {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-label);
  font-size: 0.5625rem;
  letter-spacing: 0.2em;
  text-transform: lowercase;
  color: var(--cream);
  background: rgba(25, 20, 16, 0.82);
  padding: 0.4rem 0.7rem;
}

/* selection toggle */
.piece__pick {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-label);
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--ink);
  background: rgba(250, 244, 233, 0.92);
  border: 1px solid rgba(51, 41, 28, 0.22);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.piece__pick:hover {
  border-color: var(--ink);
}
.piece__pick[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--bark);
}
.piece__box {
  width: 9px;
  height: 9px;
  border: 1px solid currentColor;
  display: inline-block;
  position: relative;
  flex: none;
}
.piece__pick[aria-pressed="true"] .piece__box::after {
  content: "";
  position: absolute;
  inset: 1px;
  background: currentColor;
}

.piece__body {
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.piece__name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 0;
  /* long names must wrap between words, never break mid-word */
  overflow-wrap: break-word;
  hyphens: none;
}
.piece__finish {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--stone);
  margin: 0;
  max-width: none;
}
.piece__specs {
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.piece__specs li {
  font-family: var(--font-label);
  font-size: 0.5625rem;
  letter-spacing: 0.14em;
  color: var(--smoke);
  line-height: 1.65;
  overflow-wrap: break-word;
}
.piece__link {
  font-family: var(--font-label);
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--smoke);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 191, 174, 0.22);
  align-self: flex-start;
  margin-top: 0.35rem;
  padding-bottom: 2px;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.piece__link:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- selections tray ---------- */

.tray {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translate(-50%, calc(100% + 2.5rem));
  z-index: 60;
  width: min(46rem, calc(100vw - 2rem));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  padding: 0.9rem 1.1rem;
  background: rgba(33, 26, 21, 0.96);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(222, 157, 55, 0.42);
  transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}
.tray.is-up {
  transform: translate(-50%, 0);
}
.tray__label {
  font-family: var(--font-label);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  color: var(--stone);
  margin: 0;
  min-width: 0;
}
.tray__label b {
  color: var(--gold);
  font-weight: 400;
}
.tray__actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex: none;
}
.tray__clear {
  font-family: var(--font-label);
  font-size: 0.5625rem;
  letter-spacing: 0.18em;
  text-transform: lowercase;
  color: var(--smoke);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.35rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.tray__clear:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.tray__go {
  padding: 0.75rem 1.15rem;
  font-size: 0.625rem;
  cursor: pointer;
}

/* ---------- inquiry ---------- */

.inquire {
  padding: clamp(4rem, 8vw, 8rem) var(--gutter);
  border-top: 1px solid var(--rule);
  scroll-margin-top: 8rem;
}
.inquire__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.inquire__aside .display {
  margin: 0.75rem 0 1.5rem;
}
.inquire__aside p {
  color: var(--stone);
  font-size: 0.9375rem;
  line-height: 1.75;
}
.picked {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
}
.picked li {
  font-family: var(--font-label);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--stone);
  line-height: 1.6;
  display: flex;
  gap: 0.6rem;
  overflow-wrap: break-word;
}
.picked li span {
  color: var(--smoke);
  flex: none;
}
.picked__empty {
  font-family: var(--font-label);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--smoke);
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 1.25rem;
  line-height: 1.7;
}

/* ---------- attribution ---------- */

.attrib {
  padding: 0 var(--gutter) clamp(3rem, 6vw, 5rem);
}
.attrib__inner {
  max-width: 1240px;
  margin: 0 auto;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
}
.attrib p {
  font-size: 0.75rem;
  line-height: 1.75;
  color: var(--smoke);
  max-width: 78ch;
  margin: 0 0 0.6rem;
}
.attrib a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 191, 174, 0.24);
}
.attrib a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .chapter__head,
  .inquire__grid {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }
  .rail__count {
    display: none;
  }
  /* eight chapters would wrap to three rows and push the grid down; keep the
     rail one row tall and let it scroll sideways instead */
  .rail__links {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--gutter));
    padding: 0 var(--gutter);
    mask-image: linear-gradient(
      to right,
      #000 0,
      #000 calc(100% - 2rem),
      transparent 100%
    );
  }
  .rail__links::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 620px) {
  .pieces {
    grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  }
  .rail__inner {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
  }
  .rail__links {
    gap: 0.3rem 1.1rem;
  }
  .tray {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }
  .tray__actions {
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .piece__frame img,
  .tray {
    transition: none;
  }
  .piece:hover .piece__frame img {
    transform: none;
  }
}