/* Virtual decks — scoped to this page. styles.css is linked first for
   fonts, spacing, buttons, and the wordmark. Its :root is dark because the
   homepage interpolates grounds; this page stays on the how/contact sheet. */

:root {
  color-scheme: light;
  --bg: #FFFFFF;
  --fg: #130F0C;
  --fg-60: color-mix(in srgb, #130F0C 62%, transparent);
  --fg-50: color-mix(in srgb, #130F0C 52%, transparent);
  --fg-35: color-mix(in srgb, #130F0C 35%, transparent);
  --rule: color-mix(in srgb, #130F0C 16%, transparent);
  --rule-strong: color-mix(in srgb, #130F0C 32%, transparent);
}

html,
body {
  background: var(--bg);
  color: var(--fg);
  font-weight: 400;
  min-height: 100dvh;
}

/* ── Top bar — homepage nav on a light sheet, not a black bar ───────────── */
.dvnav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-6);
  max-width: var(--wrap);
  margin-inline: auto;
  padding: var(--pad);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.2) blur(12px);
  -webkit-backdrop-filter: saturate(1.2) blur(12px);
}
.dvnav__brand {
  display: inline-flex;
  align-items: center;
  color: var(--fg);
}
.dvnav__brand .logo {
  height: 36px;
  width: calc(36px * 351.4 / 92.3);
  color: var(--fg);
  fill: currentColor;
}
.dvnav .btn--ghost {
  color: var(--fg);
  border-color: var(--rule-strong);
}

/* ── Shell ───────────────────────────────────────────────────────────────── */
.dv {
  --deck: #7D1C1C;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--pad) clamp(48px, 8vw, 96px);
}

/* ── Picker ──────────────────────────────────────────────────────────────── */
.dv__lead {
  max-width: 46ch;
  margin-bottom: var(--gap-title-block);
}
.dv__title {
  font-size: clamp(42px, 10vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.026em;
  font-weight: 400;
  color: var(--fg);
  text-wrap: balance;
  margin: 0 0 var(--s-4);
}
.dv__sub {
  color: var(--fg-60);
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.55;
  font-weight: 400;
  margin: 0;
}

/* One-row picker: peek the next deck so it reads as a carousel, not a wrap. */
.dv__pickerBleed {
  /* Stay in the title column; overflow clips at the sheet edge. */
  min-width: 0;
}
.dv__grid {
  --picker-gap: clamp(16px, 2vw, 24px);
  --picker-peek: clamp(56px, 18%, 120px);
  position: relative;
  display: flex;
  gap: var(--picker-gap);
  padding-block: var(--s-2);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  cursor: grab;
  touch-action: pan-x;
  user-select: none;
  -webkit-overflow-scrolling: touch;
}
.dv__grid::-webkit-scrollbar { display: none; }
.dv__grid.is-grabbing { cursor: grabbing; scroll-snap-type: none; }
.dv__grid.is-grabbing .dv__tile { pointer-events: none; }

.dv__tile {
  --deck: #7D1C1C;
  flex: 0 0 calc(100% - var(--picker-peek));
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  padding: var(--s-4);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--bg);
  text-align: left;
  cursor: pointer;
  font: inherit;
  font-weight: 400;
  color: inherit;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
@media (min-width: 768px) {
  .dv__tile {
    flex-basis: calc((100% - var(--picker-gap) - var(--picker-peek)) / 2);
  }
}
.dv__tile:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--deck) 55%, var(--rule));
  box-shadow: 0 18px 40px -28px color-mix(in srgb, var(--fg) 28%, transparent);
}
.dv__tile:focus-visible { outline: 2px solid var(--fg); outline-offset: 4px; }

.dv__tileArt {
  position: relative;
  aspect-ratio: 446 / 617;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: color-mix(in srgb, var(--deck) 16%, var(--bg));
}
.dv__tileArt img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.dv__tileMeta { display: flex; flex-direction: column; gap: 2px; }
.dv__tileName {
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  font-weight: 400;
  color: var(--fg);
}
.dv__tileTag {
  color: var(--fg-60);
  font-size: var(--t-body);
  line-height: 1.4;
  font-weight: 400;
}
.dv__tileCount {
  margin-top: var(--s-2);
  font-size: var(--t-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--fg);
}

/* ── Carousel ────────────────────────────────────────────────────────────── */
[data-view][hidden] { display: none; }

.dv__back {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4) var(--s-2) var(--s-3);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-pill);
  background: transparent;
  font: inherit;
  font-size: var(--t-body);
  font-weight: 400;
  color: var(--fg);
  cursor: pointer;
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}
.dv__back:hover { border-color: var(--fg); background: color-mix(in srgb, var(--fg) 5%, transparent); }
.dv__back svg { width: 18px; height: 18px; }

.dv__head {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin: var(--s-8) 0 var(--s-6);
}
.dv.is-playing { padding-bottom: clamp(32px, 5vw, 64px); }
.dv__headName {
  font-size: clamp(42px, 10vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.026em;
  font-weight: 400;
  color: var(--fg);
  text-wrap: balance;
}
.dv__headTag {
  color: var(--fg);
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.55;
  font-weight: 400;
}

/* Full-bleed track so cards can sit edge to edge and snap centered. */
.dv__carousel {
  width: 100vw;
  margin-left: calc(50% - 50vw);
}
.dv__track {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  padding-inline: max(var(--pad), calc((100vw - min(405px, 82vw)) / 2));
  padding-block: var(--s-2);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}
.dv__track::-webkit-scrollbar { display: none; }
.dv__track.is-grabbing { cursor: grabbing; scroll-snap-type: none; }

.dv__card {
  flex: 0 0 auto;
  height: min(58vh, 560px);
  max-width: 82vw;
  aspect-ratio: 446 / 617;
  margin: 0;
  scroll-snap-align: center;
  border-radius: var(--r-md);
  overflow: hidden;
  background: color-mix(in srgb, var(--deck) 10%, var(--bg));
  box-shadow: 0 16px 40px -28px color-mix(in srgb, var(--fg) 35%, transparent);
}
.dv__card img { width: 100%; height: 100%; object-fit: contain; display: block; }
.dv__track.is-grabbing .dv__card img { pointer-events: none; }

.dv__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-5);
  margin-top: var(--s-8);
}
.dv__controls[hidden] { display: none; }
.dv__arrow {
  width: 44px;
  height: 44px;
  display: grid;
  place-content: center;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--fg);
  cursor: pointer;
  transition: transform .2s var(--ease), border-color .2s var(--ease), opacity .2s var(--ease);
}
.dv__arrow:hover:not(:disabled) { border-color: var(--fg); }
.dv__arrow:disabled { opacity: .32; cursor: default; }
.dv__arrow svg { width: 20px; height: 20px; }
.dv__counter {
  min-width: 72px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  font-weight: 400;
  color: var(--fg-60);
}

@media (prefers-reduced-motion: reduce) {
  .dv__tile, .dv__arrow { transition: none; }
  .dv__track, .dv__grid { scroll-behavior: auto; }
}