/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

html, body {
  width: 100%;
  background: #0d0d0d;
  color: #f0ede8;
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.overlay-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ==========================================================================
   Wordmark
   ========================================================================== */

.wordmark {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  font-size: 11px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: rgba(240, 237, 232, 0.35);
  pointer-events: none;
  white-space: nowrap;
}

/* ==========================================================================
   Hamburger toggle (checkbox trick from Fixed+ theme)
   ========================================================================== */

#ShowMenu {
  position: fixed;
  left: -9999px;
  top: 0;
  opacity: 0;
  width: 0;
  height: 0;
}

.menu-wrap {
  position: fixed;
  z-index: 110;
  top: 0;
  left: 0;
}

.hamburger {
  position: fixed;
  z-index: 115;
  top: 12px;
  left: 12px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 13, 13, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  transition: background 200ms;
}

.hamburger:hover {
  background: rgba(13, 13, 13, 0.9);
}

/* Three-bar icon */
.hamburger span {
  display: block;
  width: 16px;
  height: 2px;
  background: #f0ede8;
  position: relative;
  transition: background 200ms;
}

.hamburger span::before,
.hamburger span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: #f0ede8;
  transition: opacity 200ms, transform 200ms;
}

.hamburger span::before { top: -5px; }
.hamburger span::after  { top:  5px; }

/* When menu is open: hide top and bottom bars, middle bar stays as × */
#ShowMenu:checked ~ .menu-wrap .hamburger span::before,
#ShowMenu:checked ~ .menu-wrap .hamburger span::after {
  opacity: 0;
}

#ShowMenu:checked ~ .menu-wrap .hamburger span {
  background: rgba(240, 237, 232, 0.5);
}

/* ==========================================================================
   Filter Panel
   ========================================================================== */

#filter-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  background: #111;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 230ms ease-in-out;
  z-index: 110;
  padding: 64px 0 48px;
  border-right: 1px solid rgba(240, 237, 232, 0.06);
}

#ShowMenu:checked ~ .menu-wrap #filter-panel {
  transform: translateX(0);
}

/* Scrollbar styling for the panel */
#filter-panel::-webkit-scrollbar { width: 4px; }
#filter-panel::-webkit-scrollbar-track { background: transparent; }
#filter-panel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }

.filter-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px 14px;
  border-bottom: 1px solid rgba(240, 237, 232, 0.07);
  margin-bottom: 4px;
}

.filter-panel-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  opacity: 0.35;
  font-weight: 400;
}

#clear-filters {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: none;
  border: none;
  color: #f0ede8;
  opacity: 0.3;
  padding: 2px 0;
  transition: opacity 150ms;
}

#clear-filters:hover { opacity: 0.9; }

.filter-group {
  padding: 14px 24px 16px;
  border-bottom: 1px solid rgba(240, 237, 232, 0.05);
}

.filter-group h4 {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  opacity: 0.3;
  font-weight: 400;
  margin-bottom: 10px;
}

.filter-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  cursor: pointer;
  font-size: 13px;
  color: rgba(240, 237, 232, 0.65);
  transition: color 150ms;
  user-select: none;
}

.filter-item:hover {
  color: #f0ede8;
}

.filter-item input[type=checkbox] {
  width: 13px;
  height: 13px;
  accent-color: #c8a96e;
  cursor: pointer;
  flex-shrink: 0;
}

/* ==========================================================================
   Scroll Feed
   ========================================================================== */

/*
  Each card is position:fixed so all cards occupy the same viewport space,
  stacked by z-index. JS translates each card on scroll: the active card
  moves upward (translateY negative), revealing the card beneath it.
  #scroll-space (injected by JS) provides the scrollable height.
*/

#feed {
  position: relative;
}

.card {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  cursor: pointer;
  background: #1a1818;
  will-change: transform;
}

.card-bg {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}

/* Caption fades up from bottom on hover */
.card-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 80px 40px 32px;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 300ms ease, transform 300ms ease;
  pointer-events: none;
}

.card:hover .card-caption {
  opacity: 1;
  transform: translateY(0);
}

.card-name {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-price {
  font-size: 14px;
  letter-spacing: 0.06em;
  color: #c8a96e;
}

/* Empty state when all pairs filtered out */
/* Sold card — slightly dimmed with a badge */
.card-sold .card-bg {
  filter: grayscale(40%) brightness(0.7);
}

.sold-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #f0ede8;
  border: 1px solid rgba(240, 237, 232, 0.4);
  padding: 4px 10px;
  pointer-events: none;
}

.empty-state {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.25;
}

/* ==========================================================================
   Product Overlay
   ========================================================================== */

#overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 10, 10, 0.97);
  display: grid;
  grid-template-columns: 1fr 360px;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.015);
  transition: opacity 280ms ease, transform 280ms ease;
}

#overlay.show {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

#overlay-close {
  position: absolute;
  top: 14px;
  right: 18px;
  z-index: 10;
  background: none;
  border: none;
  color: #f0ede8;
  font-size: 26px;
  line-height: 1;
  opacity: 0.35;
  padding: 6px 10px;
  transition: opacity 150ms;
}

#overlay-close:hover { opacity: 1; }

/* --- Carousel --- */

#overlay-carousel {
  position: relative;
  overflow: hidden;
  background: #0d0d0d;
}

#overlay-photo {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}

#photo-prev,
#photo-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.38);
  border: none;
  color: #f0ede8;
  font-size: 32px;
  line-height: 1;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background 150ms;
}

#photo-prev:hover,
#photo-next:hover {
  background: rgba(0, 0, 0, 0.8);
}

#photo-prev { left: 12px; }
#photo-next { right: 12px; }

#photo-counter {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.2em;
  opacity: 0.3;
  white-space: nowrap;
}

/* --- Specs panel --- */

#overlay-specs {
  padding: 52px 28px 40px;
  overflow-y: auto;
  border-left: 1px solid rgba(240, 237, 232, 0.07);
  display: flex;
  flex-direction: column;
}

#overlay-specs::-webkit-scrollbar { width: 4px; }
#overlay-specs::-webkit-scrollbar-track { background: transparent; }
#overlay-specs::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); }

.overlay-name {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  line-height: 1.3;
}

.overlay-price {
  font-size: 22px;
  font-weight: 300;
  color: #c8a96e;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}

.spec-list {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(240, 237, 232, 0.06);
}

.spec-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  opacity: 0.3;
  white-space: nowrap;
  flex-shrink: 0;
}

.spec-tag {
  background: none;
  border: 1px solid rgba(240, 237, 232, 0.14);
  color: #f0ede8;
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  transition: border-color 150ms, color 150ms, background 150ms;
  text-align: right;
}

.spec-tag:hover {
  border-color: #c8a96e;
  color: #c8a96e;
  background: rgba(200, 169, 110, 0.07);
}

.spec-hint {
  margin-top: 24px;
  font-size: 10px;
  letter-spacing: 0.12em;
  opacity: 0.2;
  text-transform: uppercase;
  text-align: center;
}

/* ==========================================================================
   Mobile
   ========================================================================== */

@media (max-width: 700px) {

  .wordmark {
    display: none;
  }

  /*
    Cards are transparent on mobile. Images use contain so they fit
    the full width. Two fixed grey bars (#mobile-bar-top/bottom) are
    injected by JS and sit above the cards — they never move, creating
    a static grey frame while images scroll beneath them.
  */
  body {
    background: #3a3a3a;
  }

  .card {
    background: transparent;
  }

  .card-bg {
    background-color: transparent;
  }

  /* Caption sits behind the bottom grey bar on mobile — hide it */
  .card-caption {
    display: none;
  }

  #overlay {
    grid-template-columns: 1fr;
    grid-template-rows: 52vh 1fr;
  }

  #overlay-specs {
    border-left: none;
    border-top: 1px solid rgba(240, 237, 232, 0.07);
    padding: 20px 20px 32px;
  }

  .overlay-price {
    margin-bottom: 18px;
  }

  #filter-panel {
    width: min(300px, 85vw);
  }

}

/* ==========================================================================
   No-script fallback
   ========================================================================== */

.noscript-msg {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.4;
  background: #0d0d0d;
}