/* Home · gallery grammar: rooms on pinned acts, tags on strings, the black-light peak. */

/* ------------------------------------------------------------- stages --- */
.act .stage { background: var(--color-paper); }
.stage__gl { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0; transition: opacity 600ms var(--ease-out); }
.gl-ready .stage__gl { opacity: 1; }
.stage__poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: opacity 600ms var(--ease-out); }
.gl-ready .stage__poster { opacity: 0; }
.no-gl .stage__gl { display: none; }

.scrim { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.scrim--lead {
  background: linear-gradient(to top right,
    color-mix(in oklab, var(--color-paper) 94%, transparent) 0%,
    color-mix(in oklab, var(--color-paper) 80%, transparent) 30%,
    color-mix(in oklab, var(--color-paper) 40%, transparent) 50%,
    transparent 66%);
}
.scrim--case {
  background: linear-gradient(to right,
    color-mix(in oklab, var(--color-paper) 70%, transparent) 0%,
    color-mix(in oklab, var(--color-paper) 30%, transparent) 30%,
    transparent 48%);
}
.strings { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; overflow: visible; }
.string { fill: none; stroke: var(--tag-string); stroke-width: 1.4; stroke-linecap: round; opacity: 0; }
:root[data-light="uv"] .string { stroke: var(--uv-white); }

/* poster capture: the scene alone */
.poster-mode .hero, .poster-mode .objtag, .poster-mode .peak, .poster-mode .strings, .poster-mode .scrim,
.poster-mode .bar, .poster-mode .livetag, .poster-mode .skip { visibility: hidden !important; }

/* ------------------------------------------------------------- hero ----- */
.hero {
  position: absolute; z-index: 3;
  left: var(--gutter); right: var(--gutter); bottom: clamp(2.5rem, 9vh, 6.5rem);
  max-width: 44rem;
}
.hero__no { color: var(--color-ink); margin-bottom: var(--space-4); text-shadow: 0 1px 12px var(--scrim); }
.hero__title { max-width: 16ch; }
.hero .lede { margin-top: var(--space-4); }
.hero__cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); margin: var(--space-6) 0 0; }

/* ------------------------------------------------------------- object tags */
.objtag {
  position: absolute; z-index: 3;
  left: var(--gutter); bottom: clamp(2rem, 8vh, 5.5rem);
  width: min(25rem, calc(100% - 2 * var(--gutter)));
  opacity: 0; visibility: hidden;
  filter: drop-shadow(0 10px 18px oklch(4% 0.02 268 / 0.55));
  will-change: opacity, transform;
}
.objtag--right { left: auto; right: var(--gutter); }
.objtag .tag__face { padding-block: var(--space-5); }

/* ------------------------------------------------------------- the peak - */
.peak {
  position: absolute; z-index: 3;
  left: var(--gutter); top: clamp(5.5rem, 16vh, 10rem);
  max-width: 34rem;
}
.peak__title { color: var(--color-ink); }
.peak__lede { margin-top: var(--space-5); color: var(--color-ink-2); }
.peak__hint { margin-top: var(--space-5); color: var(--uv-pink); }
.act--case .objtag--right { top: clamp(5.5rem, 13vh, 8.5rem); bottom: auto; }

/* ------------------------------------------------------------- flow ----- */
.flow { position: relative; z-index: var(--z-content); background: var(--color-paper); }

.promise { padding: var(--section) 0 calc(var(--section) * 0.8); }
.promise__grid { display: grid; gap: var(--space-7); }
.promise .h2 { margin-top: var(--space-3); max-width: 14ch; }
.ledger { margin: 0; border-top: 1px solid var(--color-rule); }
.ledger__row { display: grid; gap: var(--space-1) var(--space-6); padding: var(--space-5) 0; border-bottom: 1px solid var(--color-rule-2); }
.ledger__row dt { font-stretch: 78%; font-weight: 700; font-size: var(--text-sm); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.ledger__row dd { margin: 0; color: var(--color-ink-2); max-width: 54ch; }
@media (min-width: 52rem) {
  .promise__grid { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.2fr); align-items: start; gap: var(--space-9); }
  .promise__head { position: sticky; top: 7rem; }
  .ledger__row { grid-template-columns: 7.5rem minmax(0, 1fr); }
}

.estates { padding: calc(var(--section) * 0.9) 0; }
.estates__grid { display: grid; gap: var(--space-6); }
.estates__title { max-width: 18ch; font-weight: 600; font-variation-settings: "SOFT" 100, "WONK" 0; }
.estates__links { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-7); margin: var(--space-6) 0 0; }
@media (min-width: 52rem) { .estates__grid { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: end; gap: var(--space-9); } }

.lessons { padding: var(--section) 0; }
.lessons__grid { display: grid; gap: var(--space-7); align-items: center; }
.lessons .h2 { margin: var(--space-3) 0 var(--space-4); max-width: 13ch; }
.lessons .body + p { margin-top: var(--space-5); }
@media (min-width: 56rem) { .lessons__grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--space-9); } }

.tuner {
  margin: 0; padding: var(--space-5);
  background: var(--color-paper-2); border-radius: var(--radius-3);
  box-shadow: var(--edge), var(--shadow-2);
}
.tuner__scale { background: var(--color-paper); border-radius: var(--radius-2); overflow: hidden; box-shadow: inset 0 0 0 1px var(--color-rule-2); }
.tuner__canvas { width: 100%; height: auto; aspect-ratio: 5 / 1; }
.tuner__label { display: block; margin-top: var(--space-5); font-size: var(--text-sm); font-weight: 600; color: var(--color-ink-2); }
.tuner__range { width: 100%; margin: var(--space-3) 0 0; accent-color: var(--color-accent); min-height: 44px; }
.tuner__out { margin-top: var(--space-2); font-family: var(--font-display); font-variation-settings: "SOFT" 60; font-weight: 700; font-size: var(--text-2xl); letter-spacing: -0.02em; line-height: 1.1; }
.tuner__unit { font-size: var(--text-lg); color: var(--color-ink-2); }
.tuner__c { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500; color: var(--color-muted); letter-spacing: 0; margin-left: var(--space-2); }
.tuner__note { margin: var(--space-3) 0 0; font-size: var(--text-xs); color: var(--color-muted); }

.hunt { padding: var(--section) 0 calc(var(--section) * 1.1); }
.hunt__grid { display: grid; gap: var(--space-7); align-items: center; }
.hunt__copy .body { margin-top: var(--space-4); }
.hunt__plain { margin: var(--space-5) 0 0; color: var(--color-ink-2); font-size: var(--text-sm); }
.hunt__plain .link { white-space: normal; overflow-wrap: anywhere; }
.hunt__hang { position: relative; padding-top: 3.5rem; }
.hunt__string { position: absolute; top: 0; left: 10%; width: 120px; height: 160px; overflow: visible; }
.hunt__string path { fill: none; stroke: var(--tag-string); stroke-width: 1.6; }
@media (min-width: 56rem) { .hunt__grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.1fr); gap: var(--space-9); } }

/* the blank tag form never turns over; under UV its paper glows like brightened stock */
.tag--form .tag__inner { transform: none !important; }
.tag--form .tag__front { padding: var(--space-6) var(--space-6) var(--space-6) calc(var(--space-6) + 18px); }
:root[data-light="uv"] .tag--form .tag__front {
  background:
    radial-gradient(circle at 17px 50%, oklch(12% 0.05 292) 0 4.5px, oklch(70% 0.1 262) 5px 9.5px, transparent 10px),
    linear-gradient(100deg, oklch(84% 0.09 258), oklch(78% 0.1 262));
  color: oklch(18% 0.06 290);
}
.field { display: block; margin-top: var(--space-4); }
.field__label { display: block; font-stretch: 75%; font-weight: 700; font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--tag-ink-2); }
:root[data-light="uv"] .field__label { color: oklch(32% 0.07 290); }
.field textarea, .field input {
  display: block; width: 100%; box-sizing: border-box; margin-top: var(--space-1);
  font: inherit; font-family: var(--font-display); font-variation-settings: "SOFT" 100; font-size: var(--text-md); font-weight: 500;
  color: var(--tag-ink); background: transparent; border: 0; border-bottom: 1.5px solid oklch(50% 0.04 70 / 0.55);
  padding: var(--space-2) 0; resize: vertical; min-height: 44px; border-radius: 0;
}
:root[data-light="uv"] .field textarea, :root[data-light="uv"] .field input { color: oklch(18% 0.06 290); border-bottom-color: oklch(35% 0.1 290 / 0.6); }
.field textarea::placeholder, .field input::placeholder { color: oklch(52% 0.03 70); opacity: 1; }
.field textarea:focus-visible, .field input:focus-visible { outline: 2px solid oklch(52% 0.19 355); outline-offset: 4px; border-bottom-color: transparent; }
.field textarea:user-invalid { border-bottom-color: oklch(52% 0.2 25); }
.tag__price--form { flex-wrap: wrap; align-items: center; margin-top: var(--space-6); }
.field__note { font-size: var(--text-xs); color: var(--tag-ink-2); max-width: 30ch; }
:root[data-light="uv"] .field__note { color: oklch(28% 0.07 290); }

/* ----------------------------------------------------------- live tag --- */
.livetag {
  position: fixed; z-index: var(--z-tag);
  right: max(var(--gutter), env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom));
  padding: 0; border: 0; background: none; cursor: pointer; perspective: 600px;
  filter: drop-shadow(0 8px 14px oklch(4% 0.02 268 / 0.6));
  transform-origin: 70% 0;
}
.livetag::before {
  content: ""; position: absolute; left: 20px; top: -26px; width: 1.5px; height: 30px;
  background: var(--tag-string); transform: rotate(14deg); transform-origin: bottom;
}
.livetag__inner { display: grid; transform-style: preserve-3d; transition: transform 700ms var(--ease-in-out); }
:root[data-light="uv"] .livetag__inner { transform: rotateY(180deg); }
.livetag__face {
  grid-area: 1 / 1; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  display: grid; gap: 1px; text-align: left; min-width: 11.5rem; max-width: 15rem;
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 14px);
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.livetag__front {
  background: radial-gradient(circle at 13px 50%, oklch(16% 0.02 268) 0 3.5px, var(--tag-paper-2) 4px 7px, transparent 7.5px), var(--tag-paper);
  color: var(--tag-ink);
}
.livetag__back {
  transform: rotateY(180deg);
  background: linear-gradient(100deg, oklch(22% 0.1 292), oklch(17% 0.08 292));
  color: var(--uv-white);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  padding: var(--space-3) calc(var(--space-4) + 14px) var(--space-3) var(--space-4);
}
.livetag__no { font-stretch: 72%; font-weight: 700; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--tag-ink-2); }
.livetag__back .livetag__no { color: var(--uv-pink); }
.livetag__name { font-family: var(--font-display); font-weight: 700; font-variation-settings: "SOFT" 80; font-size: var(--text-base); line-height: 1.2; }
.livetag__price { font-size: var(--text-sm); font-weight: 700; }
.livetag__note { font-family: var(--font-display); font-weight: 600; font-variation-settings: "SOFT" 100; font-size: var(--text-sm); line-height: 1.3; color: var(--uv-green); }
.livetag.is-swapping .livetag__face { opacity: 0; transform: translateY(4px); }
:root[data-light="uv"] .livetag.is-swapping .livetag__back { transform: rotateY(180deg) translateY(4px); }
@media (hover: hover) and (pointer: fine) { .livetag:hover .livetag__inner { transform: rotate(-3deg); } :root[data-light="uv"] .livetag:hover .livetag__inner { transform: rotateY(180deg) rotate(3deg); } }
.livetag:focus-visible { outline: none; }
.livetag:focus-visible .livetag__face { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* ----------------------------------------------------------- the index -- */
.index {
  border: 0; padding: 0; margin: auto 0 0 auto; max-height: 100dvh; height: 100dvh;
  width: min(30rem, 100%); background: var(--color-paper-2); color: var(--color-ink);
  box-shadow: -20px 0 40px oklch(4% 0.02 268 / 0.5);
}
.index::backdrop { background: oklch(6% 0.02 268 / 0.62); }
.index__top { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--color-rule-2); }
.index__list { list-style: none; margin: 0; padding: var(--space-3) var(--space-5); }
.index__list a {
  display: grid; grid-template-columns: 6.2rem minmax(0, 1fr) auto; gap: var(--space-3); align-items: baseline;
  padding: var(--space-3) 0; border-bottom: 1px solid var(--color-rule-2); text-decoration: none; min-height: 44px; box-sizing: border-box;
}
.index__list a:hover .index__name { color: var(--color-accent); }
.index__no { font-stretch: 75%; font-weight: 700; font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-muted); }
.index__name { font-family: var(--font-display); font-weight: 650; font-variation-settings: "SOFT" 70; }
.index__price { font-size: var(--text-sm); color: var(--color-ink-2); white-space: nowrap; }
.index__more { padding: var(--space-4) var(--space-5); margin: 0; }

/* ----------------------------------------------------------- phones ----- */
@media (max-width: 47.99rem) {
  .hero { bottom: clamp(5.5rem, 13vh, 7rem); }
  .hero__title { font-size: clamp(2rem, 8.4vw, 2.6rem); }
  .hero .lede { font-size: var(--text-base); }
  .objtag, .objtag--right, .act--case .objtag--right { left: var(--gutter); right: var(--gutter); width: auto; top: auto; bottom: 5.8rem; }
  .objtag .tag__rows { font-size: 0.8125rem; }
  .objtag .tag__name { font-size: var(--text-md); }
  .peak { top: 5rem; right: var(--gutter); }
  .peak__title { font-size: clamp(2.1rem, 9vw, 2.8rem); }
  .peak__lede { font-size: var(--text-sm); }
  .scrim--lead { background: linear-gradient(to top, color-mix(in oklab, var(--color-paper) 94%, transparent) 0%, color-mix(in oklab, var(--color-paper) 70%, transparent) 30%, transparent 58%); }
  .scrim--case { background: linear-gradient(to bottom, color-mix(in oklab, var(--color-paper) 90%, transparent) 0%, color-mix(in oklab, var(--color-paper) 78%, transparent) 30%, color-mix(in oklab, var(--color-paper) 30%, transparent) 42%, transparent 54%); }
  .peak__hint { display: none; }
  /* phones: the live tag shrinks to its number; tapping it still opens the index */
  .livetag__face { min-width: 0; max-width: none; padding: var(--space-2) var(--space-3) var(--space-2) calc(var(--space-3) + 12px); min-height: 40px; align-content: center; }
  .livetag__back { padding: var(--space-2) calc(var(--space-3) + 12px) var(--space-2) var(--space-3); }
  .livetag__name, .livetag__price, .livetag__note { display: none; }
  .livetag__no { font-size: 0.75rem; }
  .flow { padding-bottom: calc(var(--section) + 3rem); }
}

@media (prefers-reduced-motion: reduce) {
  .objtag { transition: opacity 150ms linear; }
}
/* no WebGL: the case poster follows the black light */
:root[data-light="uv"] .act--case .stage__poster { content: url("../posters/case-uv.webp"); }

/* the live tag is fixed bottom-right: keep focused controls clear of it */
html { scroll-padding-bottom: 88px; }