/* ============ Hero ============ */
.hero {
  padding: var(--sp-20) 0 var(--sp-16);
  text-align: center;
}
.hero .eyebrow { margin-bottom: var(--sp-4); display: inline-block; }
.hero h1 { max-width: 16ch; margin-inline: auto; }

/* Cinematic title-card hero — programmatic teal→indigo gradient (Asset 5
   palette) with slow-drifting aurora blobs for ambient premium motion. The
   teal bg layers (::before base + ::after aurora) are mask-faded to transparent
   at the bottom so the page background shows through — no color-matching seam
   against the body's cream gradient. Content sits at flex-start (not centered)
   so the logo hugs the header and the tabs stay confidently on full teal,
   well above the fade band. */
.hero--logo {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(620px, 78vh, 820px);
  padding: var(--sp-4) 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
/* Layer 1 — base teal→indigo gradient. Long multi-stop eased mask so the fade
   has no perceptible "start line": top 28% stays fully opaque, then alpha
   decays gradually across 60% of the section, and the final 8% is fully
   transparent so the section's bottom edge is invisible against body bg. */
.hero--logo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    #364F9E 0%,
    #2D7BA5 48%,
    #4DB7B5 100%);
  -webkit-mask-image: linear-gradient(to bottom,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,1) 28%,
    rgba(0,0,0,0.96) 42%,
    rgba(0,0,0,0.82) 54%,
    rgba(0,0,0,0.60) 66%,
    rgba(0,0,0,0.35) 78%,
    rgba(0,0,0,0.14) 88%,
    rgba(0,0,0,0.04) 94%,
    rgba(0,0,0,0)    100%);
          mask-image: linear-gradient(to bottom,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,1) 28%,
    rgba(0,0,0,0.96) 42%,
    rgba(0,0,0,0.82) 54%,
    rgba(0,0,0,0.60) 66%,
    rgba(0,0,0,0.35) 78%,
    rgba(0,0,0,0.14) 88%,
    rgba(0,0,0,0.04) 94%,
    rgba(0,0,0,0)    100%);
  pointer-events: none;
  z-index: 0;
}
/* Layer 2 — drifting aurora blobs on top of the base, with the same eased
   mask so they dissolve in lockstep with the base teal. translate3d + scale
   gives ambient "light shift" motion at ~32s loop — barely perceptible,
   premium-restrained. */
.hero--logo::after {
  content: "";
  position: absolute;
  inset: -25%;
  background:
    radial-gradient(38% 32% at 22% 28%, rgba(120, 220, 220, 0.55), transparent 65%),
    radial-gradient(34% 30% at 78% 72%, rgba(45, 70, 165, 0.55), transparent 68%),
    radial-gradient(28% 24% at 60% 18%, rgba(160, 230, 230, 0.35), transparent 70%);
  filter: blur(48px);
  -webkit-mask-image: linear-gradient(to bottom,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,1) 22%,
    rgba(0,0,0,0.92) 38%,
    rgba(0,0,0,0.70) 52%,
    rgba(0,0,0,0.42) 65%,
    rgba(0,0,0,0.18) 78%,
    rgba(0,0,0,0.04) 88%,
    rgba(0,0,0,0)    96%);
          mask-image: linear-gradient(to bottom,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,1) 22%,
    rgba(0,0,0,0.92) 38%,
    rgba(0,0,0,0.70) 52%,
    rgba(0,0,0,0.42) 65%,
    rgba(0,0,0,0.18) 78%,
    rgba(0,0,0,0.04) 88%,
    rgba(0,0,0,0)    96%);
  animation: hero-aurora 32s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 1;
}
@keyframes hero-aurora {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-3%, 2.5%, 0) scale(1.08); }
  100% { transform: translate3d(2.5%, -2%, 0) scale(1.04); }
}
/* Container + content sit above the bg layers. */
.hero--logo > .container { position: relative; z-index: 2; }

.hero-poster {
  display: block;
  width: min(640px, 88vw);
  margin: 0 auto var(--sp-2);
}
.hero-poster-img {
  display: block;
  width: 100%;
  height: auto;
  /* Cap visual height so the logo doesn't push the toggle/tabs down into the
     mask-fade band on tall screens. */
  max-height: 540px;
  object-fit: contain;
}

/* Toggle + tabs sit in the lower part of the section where the teal has
   already faded to body cream — let them use their default cream-on-page
   styling. (No overrides needed.) */

/* Reduced motion — keep the gradient depth but freeze the aurora drift. */
@media (prefers-reduced-motion: reduce) {
  .hero--logo::after { animation: none; }
}

@media (max-width: 720px) {
  .hero--logo {
    min-height: clamp(520px, 72vh, 680px);
    padding: var(--sp-3) 0 0;
  }
  .hero-poster { width: min(440px, 92vw); }
  .hero-poster-img { max-height: 380px; }
}
.hero .lede {
  max-width: 52ch;
  margin: var(--sp-5) auto 0;
  color: var(--ab-ink-soft);
  font-size: 1.1rem;
}
.hero .phase-strip {
  margin-top: var(--sp-8);
  display: inline-flex; gap: var(--sp-2);
  padding: var(--sp-2);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  max-width: 100%;
}
.hero .phase-strip button {
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--ab-ink-soft);
  transition: all var(--dur) var(--ease-out);
  white-space: nowrap;
  min-height: 40px;
  scroll-snap-align: center;
}
.hero .phase-strip button.hidden { display: none; }
.hero .phase-strip button.active {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 6px 18px -8px rgba(199,108,160,0.5);
}
@media (max-width: 640px) {
  .hero .phase-strip {
    display: flex;
    width: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: var(--sp-2) var(--sp-3);
    gap: var(--sp-1);
    scrollbar-width: none;
    mask-image: linear-gradient(90deg, transparent 0, #000 22px, #000 calc(100% - 22px), transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 22px, #000 calc(100% - 22px), transparent 100%);
  }
  .hero .phase-strip::-webkit-scrollbar { display: none; }
  .hero .phase-strip button {
    padding: 0.5rem 0.95rem;
    font-size: 0.82rem;
    flex: 0 0 auto;
  }
}

/* ============ How it works — toggle ============ */
.how-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  margin: var(--sp-5) auto 0;
  padding: var(--sp-2) var(--sp-4);
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--ab-ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color var(--dur) var(--ease-out);
}
.how-toggle:hover { color: var(--ab-pink-deep); }
.how-toggle-line {
  display: inline-block;
  width: 44px;
  height: 1px;
  background: currentColor;
  opacity: 0.4;
  transition: width var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out);
}
.how-toggle:hover .how-toggle-line { width: 60px; opacity: 0.7; }
.how-toggle-label { font-weight: 500; }
.how-toggle-chev {
  display: inline-grid;
  place-items: center;
  width: 22px; height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.6;
  transition: transform 380ms var(--ease-out), opacity var(--dur) var(--ease-out);
}
.how-toggle:hover .how-toggle-chev { opacity: 1; }
.how-toggle.is-open .how-toggle-chev { transform: rotate(180deg); opacity: 1; }

/* ============ How it works — collapsible panel ============ */
.how-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 520ms var(--ease-out);
  overflow: hidden;
}
.how-panel.open { grid-template-rows: 1fr; }
.how-panel[hidden] { display: none; }
.how-panel-inner {
  min-height: 0;
  overflow: hidden;
  padding: var(--sp-8) 0 var(--sp-12);
}
.how-grid {
  display: grid;
  gap: var(--sp-8);
}
.how-flow {
  padding: var(--sp-8) var(--sp-7);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-soft);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.how-flow-head {
  text-align: center;
  max-width: 48ch;
  margin: 0 auto var(--sp-8);
}
.how-phase-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.32rem 0.8rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-4);
}
.how-phase-tag--now {
  background: var(--ab-pink-mist, rgba(199,108,160,0.12));
  color: var(--ab-pink-deep);
}
.how-phase-tag--soon {
  background: var(--ab-teal-mist, rgba(80,150,160,0.12));
  color: var(--ab-teal-deep, var(--ab-ink));
}
.how-flow-head h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: 1.5rem;
  color: var(--ab-ink);
  margin-bottom: var(--sp-3);
}
.how-flow-head p {
  color: var(--ab-ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
@media (max-width: 720px) {
  .how-steps { grid-template-columns: 1fr; gap: var(--sp-7); }
}
.how-step {
  text-align: center;
  padding: var(--sp-3) var(--sp-2);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.how-flow.in-view .how-step { opacity: 1; transform: none; }
.how-flow.in-view .how-step:nth-child(1) { transition-delay: 80ms; }
.how-flow.in-view .how-step:nth-child(2) { transition-delay: 220ms; }
.how-flow.in-view .how-step:nth-child(3) { transition-delay: 360ms; }

.how-stage {
  width: 132px;
  height: 132px;
  margin: 0 auto var(--sp-5);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad-brand-soft);
  color: var(--ab-ink);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.55),
    inset 0 -16px 32px -16px rgba(26,36,48,0.1),
    0 18px 40px -22px rgba(26,36,48,0.22);
  position: relative;
  overflow: hidden;
}
.how-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,0.6), transparent 55%);
  pointer-events: none;
}
.how-flow--auction .how-stage {
  background: linear-gradient(135deg, var(--ab-cream-warm) 0%, var(--ab-pink-mist) 100%);
}
.how-stage .anim {
  width: 86%;
  height: 86%;
  display: block;
  position: relative;
  z-index: 1;
}

/* Pause all step animations until the panel is open (perf + freshness) */
.anim, .anim * { animation-play-state: paused; }
.how-panel.open .anim, .how-panel.open .anim * { animation-play-state: running; }

.how-step h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  margin-bottom: var(--sp-2);
  color: var(--ab-ink);
}
.how-step p {
  color: var(--ab-ink-soft);
  font-size: 0.9rem;
  line-height: 1.55;
  max-width: 28ch;
  margin: 0 auto;
}

/* Linear (auction) flow gets connector arrows between steps */
.how-steps--linear .how-step { position: relative; }
@media (min-width: 721px) {
  .how-steps--linear .how-step + .how-step::before {
    content: "";
    position: absolute;
    top: 32px;
    left: -12%;
    width: 24%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ab-ink-faint), transparent);
    opacity: 0;
    transition: opacity 600ms var(--ease-out) 700ms;
  }
  .how-flow.in-view .how-steps--linear .how-step + .how-step::before { opacity: 0.7; }
}

.how-divider {
  display: flex; align-items: center; gap: var(--sp-4);
  max-width: 320px;
  margin: 0 auto;
  color: var(--ab-ink-faint);
}
.how-divider-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ab-ink-faint), transparent);
}
.how-divider-glyph {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .how-step,
  .how-steps--linear .how-step + .how-step::before {
    transition: none !important;
  }
  .how-step { opacity: 1; transform: none; }
  .anim, .anim * { animation: none !important; transform: none !important; opacity: 1 !important; }
}

/* ============ Step illustrations ============ */

/* Purchase — coin drops into bag, then a seal of confirmation */
.anim--purchase .coin {
  transform-box: fill-box;
  transform-origin: center;
  animation: coin-drop 3.4s var(--ease-out) infinite;
}
.anim--purchase .bag {
  transform-box: fill-box;
  transform-origin: 50% 90%;
  animation: bag-thud 3.4s var(--ease-out) infinite;
}
.anim--purchase .seal {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  animation: seal-pop 3.4s var(--ease-out) infinite;
}
@keyframes coin-drop {
  0%   { transform: translate(0, -8px) scale(1); opacity: 0; }
  10%  { opacity: 1; }
  35%  { transform: translate(0, 14px) scale(1); opacity: 1; }
  42%  { transform: translate(0, 18px) scale(1.05, 0.85); opacity: 1; }
  50%  { transform: translate(0, 14px) scale(0.9, 1.05); opacity: 0; }
  100% { transform: translate(0, -8px) scale(1); opacity: 0; }
}
@keyframes bag-thud {
  0%, 38%, 100% { transform: scale(1, 1); }
  43% { transform: scale(1.04, 0.96); }
  50% { transform: scale(0.98, 1.02); }
  56% { transform: scale(1, 1); }
}
@keyframes seal-pop {
  0%, 55% { opacity: 0; transform: scale(0.4); }
  68%     { opacity: 1; transform: scale(1.08); }
  76%     { transform: scale(1); }
  88%     { opacity: 1; }
  95%, 100% { opacity: 0; transform: scale(0.95); }
}

/* Reserve — ribbon glides down into a framed artwork */
.anim--reserve .ribbon {
  transform-box: fill-box;
  transform-origin: 50% 0%;
  animation: ribbon-place 3.6s var(--ease-out) infinite;
}
.anim--reserve .frame,
.anim--reserve .frame-art,
.anim--reserve .frame-sun {
  opacity: 0.85;
}
.anim--reserve .frame {
  animation: frame-fade 3.6s var(--ease-out) infinite;
}
@keyframes ribbon-place {
  0%   { transform: translateY(-32px) scaleY(0.7); opacity: 0; }
  20%  { opacity: 1; }
  45%  { transform: translateY(0) scaleY(1); opacity: 1; }
  55%  { transform: translateY(-2px) scaleY(1.02); }
  65%  { transform: translateY(1px) scaleY(0.99); }
  80%  { transform: translateY(0) scaleY(1); opacity: 1; }
  100% { transform: translateY(-32px) scaleY(0.7); opacity: 0; }
}
@keyframes frame-fade {
  0%, 100% { opacity: 0.55; }
  40%, 80% { opacity: 1; }
}

/* Notify — bell rings, sound waves radiate outward */
.anim--notify .bell {
  transform-box: fill-box;
  transform-origin: 50% 18%;
  animation: bell-ring 2.4s var(--ease-out) infinite;
}
.anim--notify .bell-clap {
  transform-box: fill-box;
  transform-origin: 50% 0%;
  animation: clap-swing 2.4s var(--ease-out) infinite;
}
.anim--notify .wave { opacity: 0; }
.anim--notify .wave-l1, .anim--notify .wave-r1 { animation: wave-pulse 2.4s var(--ease-out) infinite; }
.anim--notify .wave-l2, .anim--notify .wave-r2 { animation: wave-pulse 2.4s var(--ease-out) infinite; animation-delay: 240ms; }
@keyframes bell-ring {
  0%, 70%, 100% { transform: rotate(0); }
  10% { transform: rotate(-12deg); }
  22% { transform: rotate(10deg); }
  34% { transform: rotate(-7deg); }
  46% { transform: rotate(5deg); }
  58% { transform: rotate(-2deg); }
}
@keyframes clap-swing {
  0%, 70%, 100% { transform: translateX(0); }
  16% { transform: translateX(2px); }
  28% { transform: translateX(-2px); }
  40% { transform: translateX(1px); }
}
@keyframes wave-pulse {
  0%   { opacity: 0; transform: scale(0.85); }
  20%  { opacity: 0.9; }
  60%  { opacity: 0; transform: scale(1.15); }
  100% { opacity: 0; transform: scale(1.15); }
}
.anim--notify .wave { transform-box: fill-box; transform-origin: 50% 100%; }

/* Browse — eye scans, then blinks */
.anim--browse .eye {
  transform-box: fill-box;
  transform-origin: center;
  animation: eye-blink 4.2s var(--ease-out) infinite;
}
.anim--browse .eye-pupil-group {
  transform-box: fill-box;
  transform-origin: center;
  animation: eye-scan 4.2s ease-in-out infinite;
}
@keyframes eye-blink {
  0%, 88%, 100% { transform: scaleY(1); }
  92%, 96%      { transform: scaleY(0.08); }
}
@keyframes eye-scan {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-6px); }
  55%      { transform: translateX(6px); }
  80%      { transform: translateX(0); }
}

/* Bid — gavel raises and strikes, ripple radiates */
.anim--bid .gavel {
  transform-box: fill-box;
  transform-origin: 27px 48px;
  animation: gavel-strike 2.4s var(--ease-out) infinite;
}
.anim--bid .ripple { opacity: 0; transform-box: fill-box; transform-origin: center; }
.anim--bid .ripple-1 { animation: ripple-out 2.4s var(--ease-out) infinite; }
.anim--bid .ripple-2 { animation: ripple-out 2.4s var(--ease-out) infinite; animation-delay: 180ms; }
.anim--bid .anvil {
  transform-box: fill-box;
  transform-origin: 56px 56px;
  animation: anvil-jolt 2.4s var(--ease-out) infinite;
}
@keyframes gavel-strike {
  0%        { transform: rotate(0); }
  35%       { transform: rotate(-55deg); }
  50%       { transform: rotate(-58deg); }
  62%       { transform: rotate(-15deg); }
  68%       { transform: rotate(-22deg); }
  100%      { transform: rotate(0); }
}
@keyframes ripple-out {
  0%, 60% { opacity: 0; transform: scale(0.4); }
  64%     { opacity: 0.8; transform: scale(0.6); }
  90%     { opacity: 0; transform: scale(2.4); }
  100%    { opacity: 0; transform: scale(2.4); }
}
@keyframes anvil-jolt {
  0%, 60%, 100% { transform: translateY(0); }
  64% { transform: translateY(2px); }
  72% { transform: translateY(0); }
}

/* Win — trophy rises, sparkles twinkle */
.anim--win .trophy {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: trophy-rise 4s var(--ease-out) infinite;
}
.anim--win .sp {
  transform-box: fill-box;
  transform-origin: center;
  opacity: 0;
  fill: currentColor;
  stroke: none;
}
.anim--win .sp-1 { animation: sparkle 4s var(--ease-out) infinite; animation-delay: 0.6s; }
.anim--win .sp-2 { animation: sparkle 4s var(--ease-out) infinite; animation-delay: 1s; }
.anim--win .sp-3 { animation: sparkle 4s var(--ease-out) infinite; animation-delay: 1.4s; }
.anim--win .sp-4 { animation: sparkle 4s var(--ease-out) infinite; animation-delay: 1.8s; }
@keyframes trophy-rise {
  0%   { transform: translateY(8px) scale(0.94); opacity: 0; }
  18%  { opacity: 1; }
  40%  { transform: translateY(0) scale(1); opacity: 1; }
  55%  { transform: translateY(-2px) scale(1.02); }
  70%  { transform: translateY(0) scale(1); opacity: 1; }
  88%  { opacity: 1; }
  100% { transform: translateY(8px) scale(0.94); opacity: 0; }
}
@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0.2) rotate(0); }
  40%      { opacity: 1; transform: scale(1.1) rotate(45deg); }
  60%      { opacity: 1; transform: scale(1) rotate(60deg); }
  80%      { opacity: 0; transform: scale(0.4) rotate(90deg); }
}

/* ============ Filters ============ */
.filter-bar {
  display: flex; gap: var(--sp-3); flex-wrap: wrap;
  padding: var(--sp-4) var(--sp-5);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-soft);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-8);
  box-shadow: var(--shadow-xs);
}
.filter-chip {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--ab-ink-soft);
  transition: all var(--dur-fast) var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  scroll-snap-align: start;
}
.filter-chip:hover { color: var(--ab-ink); }
.filter-chip.active {
  background: var(--ab-ink);
  color: var(--ab-cream);
}
@media (max-width: 640px) {
  .filter-bar {
    /* Flush rail on phones — no surrounding pill blob */
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: var(--sp-2) var(--sp-3);
    gap: var(--sp-2);
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    margin: 0 calc(-1 * var(--sp-4)) var(--sp-5);
    padding-left: var(--sp-4);
    padding-right: var(--sp-4);
    scrollbar-width: none;
    mask-image: linear-gradient(90deg, transparent 0, #000 24px, #000 calc(100% - 24px), transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 24px, #000 calc(100% - 24px), transparent 100%);
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-chip {
    flex: 0 0 auto;
    background: rgba(255,255,255,0.55);
    border: 1px solid var(--glass-border-soft);
    padding: 0.48rem 0.95rem;
    min-height: 36px;
  }
  .filter-chip.active {
    background: var(--ab-ink);
    color: var(--ab-cream);
    border-color: var(--ab-ink);
  }
}

/* ============ Item detail ============ */
.item-detail {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--sp-12);
  padding: var(--sp-10) 0;
}
@media (max-width: 900px) {
  .item-detail { grid-template-columns: 1fr; gap: var(--sp-8); }
}
.item-detail .gallery {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.item-detail .gallery .viewer {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grad-brand-soft);
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lux);
}
.item-detail .gallery .viewer img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0;
  transition: opacity 420ms var(--ease-out);
}
.item-detail .gallery .viewer img.active { opacity: 1; }
.item-detail .gallery .strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(70px, 84px);
  gap: var(--sp-2);
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: var(--sp-1);
}
.item-detail .gallery .strip button {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 0;
  background: var(--grad-brand-soft);
  box-shadow: 0 1px 3px rgba(26,36,48,0.06);
  transition: transform var(--dur-fast), box-shadow var(--dur-fast);
  cursor: pointer;
}
.item-detail .gallery .strip button img { width: 100%; height: 100%; object-fit: cover; display: block; }
.item-detail .gallery .strip button::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 2px transparent;
  transition: box-shadow var(--dur-fast);
}
.item-detail .gallery .strip button:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26,36,48,0.1); }
.item-detail .gallery .strip button.active::after { box-shadow: inset 0 0 0 2px var(--ab-pink-deep); }
.item-detail .gallery .viewer .counter {
  position: absolute; bottom: var(--sp-3); right: var(--sp-3);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(26,36,48,0.58);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 2;
}
.item-detail h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin: var(--sp-3) 0;
}
.item-detail .author,
.item-detail .author-line { font-size: 1.05rem; color: var(--ab-ink-soft); }
.item-detail .author-line .meta-dot,
.item-detail .author-line .year { color: var(--ab-ink-faint); }
.item-detail .price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  margin: var(--sp-6) 0 var(--sp-4);
}
.item-detail .description {
  color: var(--ab-ink-soft);
  line-height: 1.7;
  margin: var(--sp-6) 0;
}
.item-detail .description p { margin: 0 0 var(--sp-3) 0; }
.item-detail .description p:last-child { margin-bottom: 0; }
.item-detail .description ul,
.item-detail .description ol { margin: 0 0 var(--sp-3) 0; padding-left: 1.5em; }
.item-detail .description a { color: var(--ab-pink-deep); text-decoration: underline; }
.item-detail .description strong { color: var(--ab-ink); }
.item-detail .description img { max-width: 100%; height: auto; border-radius: var(--radius-md); }
.item-detail .actions {
  display: flex; flex-direction: column; gap: var(--sp-4);
  padding: var(--sp-5);
  background: rgba(255,255,255,0.4);
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
}
.item-detail .actions .presale-section,
.item-detail .actions .auction-section {
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.item-detail .actions .presale-section > .btn + .btn,
.item-detail .actions .auction-section > .btn + .btn {
  margin-top: 0;
}
.item-detail .actions .presale-section > p,
.item-detail .actions .auction-section > p {
  margin-top: var(--sp-1);
}

/* ============ Checkout ============ */
.checkout-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--sp-8);
  padding: var(--sp-10) 0;
}
@media (max-width: 900px) { .checkout-grid { grid-template-columns: 1fr; } }
.checkout-grid .form-col, .checkout-grid .summary-col {
  padding: var(--sp-8);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.checkout-grid .summary-col { position: sticky; top: calc(80px + var(--sp-4)); align-self: start; }
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}
.field-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .field-grid { grid-template-columns: 1fr; } }

.totals-row {
  display: flex; justify-content: space-between;
  padding: var(--sp-2) 0;
  font-size: 0.95rem;
}
.totals-row.grand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  border-top: 1px solid var(--glass-border-soft);
  padding-top: var(--sp-4);
  margin-top: var(--sp-4);
}

/* ============ Empty state ============ */
.empty {
  padding: var(--sp-16) var(--sp-6);
  text-align: center;
  color: var(--ab-ink-soft);
}
.empty h3 { margin-bottom: var(--sp-2); }

/* ============ Footer ============ */
.footer {
  padding: var(--sp-12) 0 var(--sp-8);
  margin-top: var(--sp-16);
  border-top: 1px solid var(--glass-border-soft);
  background: rgba(255,255,255,0.3);
  text-align: center;
  font-size: 0.88rem;
  color: var(--ab-ink-soft);
}

/* ============ Reservations pane (inline "My Reservations" tab) ============ */
.reservations-pane { padding-top: var(--sp-4); }
.reservations-shell {
  display: grid;
  gap: var(--sp-6);
  max-width: 820px;
  margin: 0 auto;
}
.reservations-intro {
  text-align: center;
  max-width: 52ch;
  margin: 0 auto;
}
.reservations-intro .eyebrow { display: inline-block; margin-bottom: var(--sp-2); }
.reservations-intro h2 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1.2;
  margin: var(--sp-2) 0;
}
.reservations-intro p { color: var(--ab-ink-soft); margin: 0; }

.reservations-lookup {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-3);
  max-width: 520px;
  margin: 0 auto;
  padding: var(--sp-5) var(--sp-5);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-soft);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}
.reservations-lookup .field { margin: 0; }
.reservations-lookup .btn { align-self: stretch; min-height: 44px; }
@media (max-width: 520px) {
  .reservations-lookup { grid-template-columns: 1fr; }
}

.reservations-results { display: grid; gap: var(--sp-6); margin-top: var(--sp-2); }

.res-section-head {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: var(--sp-2) 0 0;
  color: var(--ab-ink);
}
.res-section-hint { margin: 0 0 var(--sp-2); font-size: 0.9rem; }
.res-card-stack { display: grid; gap: var(--sp-4); }

.res-card {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: var(--sp-5);
  align-items: center;
  padding: var(--sp-5);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-soft);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.res-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.res-card-thumb {
  width: 88px; height: 88px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--grad-brand-soft);
  flex-shrink: 0;
}
.res-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.res-card-body { min-width: 0; }
.res-card-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.2rem;
  margin: 0 0 var(--sp-1);
  line-height: 1.25;
  color: var(--ab-ink);
  letter-spacing: -0.01em;
}
.res-card-author { color: var(--ab-ink-soft); font-size: 0.9rem; margin-bottom: var(--sp-1); }
.res-card-meta { color: var(--ab-ink-soft); font-size: 0.9rem; }
.res-card-meta .dot { margin: 0 0.4ch; opacity: 0.5; }
.res-card-actions {
  display: flex; flex-direction: column; align-items: flex-end; gap: var(--sp-2);
}
.res-card-actions .pill {
  display: inline-flex; align-items: center;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-soft);
  color: var(--ab-ink-soft);
}
.res-card-actions .pill.ok { background: var(--ab-teal-mist); color: var(--ab-teal-deep); border-color: transparent; }
.res-card-actions .pill.manual { background: var(--ab-pink-mist); color: var(--ab-pink-deep); border-color: transparent; }
.res-card-actions .pill.pend { background: rgba(26,36,48,0.08); color: var(--ab-ink-soft); border-color: transparent; }
.res-card-actions .pill.fail { background: rgba(197,70,114,0.14); color: #c54672; border-color: transparent; }
.res-card-actions .countdown { font-size: 0.85rem; color: var(--ab-ink); }

@media (max-width: 640px) {
  .res-card {
    grid-template-columns: 64px 1fr;
    gap: var(--sp-4);
    padding: var(--sp-4);
  }
  .res-card-thumb { width: 64px; height: 64px; }
  .res-card-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--sp-2);
    border-top: 1px solid var(--glass-border-soft);
  }
  .res-card-title { font-size: 1.05rem; }
}

.res-empty {
  padding: var(--sp-10) var(--sp-6);
  text-align: center;
  color: var(--ab-ink-soft);
  background: var(--glass-bg);
  border: 1px dashed var(--glass-border-soft);
  border-radius: var(--radius-lg);
}
.res-skeleton-stack { display: grid; gap: var(--sp-4); }
.res-card-skeleton { height: 120px; border-radius: var(--radius-lg); }

/* Orders — CSS grid "table" (works on mobile by stacking) */
.res-orders {
  display: grid;
  gap: var(--sp-2);
}
.res-orders-head,
.res-orders-row {
  display: grid;
  grid-template-columns: 1.4fr 2fr 1fr 1fr 1.2fr;
  gap: var(--sp-4);
  align-items: center;
}
.res-orders-head {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ab-ink-soft);
  padding: var(--sp-2) var(--sp-4);
}
.res-orders-row {
  padding: var(--sp-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
}
.res-orders-ref code { font-size: 0.78rem; }
.res-orders-row .pill {
  display: inline-flex; padding: 0.22rem 0.65rem;
  border-radius: var(--radius-pill); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(26,36,48,0.08); color: var(--ab-ink-soft);
}
.res-orders-row .pill.ok { background: var(--ab-teal-mist); color: var(--ab-teal-deep); }
.res-orders-row .pill.pend { background: rgba(26,36,48,0.08); color: var(--ab-ink-soft); }
.res-orders-row .pill.fail { background: rgba(197,70,114,0.14); color: #c54672; }

@media (max-width: 720px) {
  .res-orders-head { display: none; }
  .res-orders-row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "ref    status"
      "items  items"
      "total  when";
    row-gap: var(--sp-2);
  }
  .res-orders-row > :nth-child(1) { grid-area: ref; }
  .res-orders-row > :nth-child(2) { grid-area: items; color: var(--ab-ink-soft); font-size: 0.88rem; }
  .res-orders-row > :nth-child(3) { grid-area: total; font-family: var(--font-display); font-size: 1.1rem; }
  .res-orders-row > :nth-child(4) { grid-area: status; justify-self: end; }
  .res-orders-row > :nth-child(5) { grid-area: when; justify-self: end; font-size: 0.82rem; }
}

/* ============ Mobile sweep ============ */
@media (max-width: 640px) {
  .hero { padding: var(--sp-12) 0 var(--sp-8); }
  .hero h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
  .hero .lede { font-size: 1rem; }

  .container { padding: 0 var(--sp-4); }

  .item-grid { gap: var(--sp-4); grid-template-columns: 1fr; }
  .item-card .body { padding: var(--sp-4); }
  .item-card .name { font-size: 1.2rem; }
  .item-card .meta { gap: var(--sp-3); }

  /* Checkout — release sticky, full-width CTA */
  .checkout-grid { padding: var(--sp-6) 0; gap: var(--sp-5); }
  .checkout-grid .form-col,
  .checkout-grid .summary-col { padding: var(--sp-5); }
  .checkout-grid .summary-col { position: static; }
  .checkout-grid .row { flex-direction: column; align-items: stretch; }
  .checkout-grid .row .btn { width: 100%; }
  .btn-lg { width: 100%; justify-content: center; }

  /* Item detail */
  .item-detail { padding: var(--sp-6) 0; }
  .item-detail h1 { font-size: clamp(1.7rem, 7vw, 2.2rem); }
  .item-detail .price { font-size: 1.8rem; margin: var(--sp-4) 0 var(--sp-3); }

  /* How-it-works accordion */
  .how-flow { padding: var(--sp-6) var(--sp-5); }
  .how-stage { width: 112px; height: 112px; }

  .admin-head { flex-direction: column; align-items: flex-start; gap: var(--sp-3); }
  .admin-head .btn { align-self: stretch; text-align: center; justify-content: center; }
}
@media (min-width: 481px) and (max-width: 720px) {
  .item-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Drawer + iOS safe area */
.drawer {
  padding-bottom: env(safe-area-inset-bottom);
}
.drawer-foot {
  padding-bottom: max(var(--sp-5), calc(env(safe-area-inset-bottom) + var(--sp-3))) !important;
}
@media (max-width: 480px) {
  .drawer-header, .drawer-body, .drawer-foot {
    padding-left: var(--sp-5);
    padding-right: var(--sp-5);
  }
}