/* ==========================================================================
   Mega Mall Murree — Floor-by-Floor Experience
   --------------------------------------------------------------------------
   01 Floor cards     the base layout: stacked cards (mobile, tablet,
                      reduced motion, no JS) — always readable
   02 Staged desktop  .floors.is-staged, added by js/floors.js: one pinned
                      viewport, cards layered, rail + ghost code on top
   ========================================================================== */

/* ---------- 00. Floor plans (extracted PDF plans, one per level) ---------- */
.section--plans { background: var(--color-bg); }
.plans {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr));
  gap: var(--grid-gap);
}
.plan__figure { margin: 0; display: grid; gap: var(--space-sm); }
.plan__img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;             /* plans are drawn on white paper */
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
}
.plan__caption {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.plan__code {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-accent);
}

/* ---------- 01. Floor cards ---------- */
.floors { position: relative; background: var(--color-bg); }

/* Lets keyboard users jump past the long pinned tour */
.floors__skip {
  position: absolute;
  left: -10000px;
}
.floors__skip:focus {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: calc(var(--z-preloader) + 1);
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-bg);
}

.floor-card {
  position: relative;
  padding-block: var(--space-2xl);
  border-top: 1px solid var(--color-line);
}
.floor-card:nth-child(even) { background: var(--color-bg-alt); }

.floor-card__inner {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: center;
}
.floor-card__media {
  grid-column: 1 / 8;
  grid-row: 1;
  aspect-ratio: 4 / 3;
}
.floor-card__body {
  grid-column: 9 / 13;
  grid-row: 1;
  position: relative;
  display: grid;
  gap: var(--space-md);
  align-content: center;
}
/* Alternate sides down the stack */
.floor-card:nth-child(even) .floor-card__media { grid-column: 6 / 13; }
.floor-card:nth-child(even) .floor-card__body  { grid-column: 1 / 5; }

.floor-card__title {
  font-size: var(--fs-h3);
  line-height: var(--lh-snug);
  max-width: 14ch;
}
.floor-card__desc { font-size: var(--fs-lead); color: var(--color-text-muted); }

/* Level list: every level of the group, with its code */
.floor-card__levels { border-top: 1px solid var(--color-line); }
.floor-level {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  align-items: baseline;
  padding-block: 0.6em;
  border-bottom: 1px solid var(--color-line);
}
.floor-level__code {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-accent);
}
.floor-level__name {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--dur-base);
}
.floor-level.is-current .floor-level__name { color: var(--color-text); }

/* Tags and Shop / Dine groups */
.floor__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}
.floor__tags li {
  padding: 0.55em 1.1em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  line-height: 1.3;
  color: var(--color-text-muted);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.floor__tags li:hover { border-color: var(--color-accent); color: var(--color-text); }
.floor__groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}
.floor__group-title {
  margin-bottom: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--fs-2xs);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-accent);
}

/* Tablet & mobile: image on top, text below — vertical only */
@media (max-width: 1024px) {
  .floor-card__media,
  .floor-card:nth-child(even) .floor-card__media {
    grid-column: 1 / -1;
    grid-row: 1;
    aspect-ratio: 16 / 10;
  }
  .floor-card__body,
  .floor-card:nth-child(even) .floor-card__body {
    grid-column: 1 / -1;
    grid-row: 2;
    padding-top: var(--space-lg);
    max-width: 640px;
  }
  .floor-card__title { max-width: none; }
}
@media (max-width: 560px) {
  .floor-card { padding-block: var(--space-xl); }
  .floor-card__media,
  .floor-card:nth-child(even) .floor-card__media { aspect-ratio: 4 / 3; }
  .floor__groups { grid-template-columns: 1fr; gap: var(--space-md); }
  .floor__tags li { font-size: 0.72rem; }
  .floor-level { grid-template-columns: 3.5rem 1fr; }
}

/* ---------- 02. Staged desktop experience ---------- */
.floors.is-staged {
  height: 100vh;
  overflow: hidden;
}

/* Cards are layered in one viewport; JS cross-fades them. Opacity (not
   visibility) keeps every card in the accessibility tree. */
.floors.is-staged .floor-card {
  position: absolute;
  inset: 0;
  z-index: 1;
  padding: 0;
  border: 0;
  background: transparent;
  opacity: 0;
}
.floors.is-staged .floor-card__inner {
  height: 100%;
  padding-top: calc(var(--header-h) + var(--space-md));
  padding-bottom: var(--space-xl);
}
.floors.is-staged .floor-card__media,
.floors.is-staged .floor-card:nth-child(even) .floor-card__media {
  grid-column: 3 / 9;
  height: min(68vh, 700px);
  aspect-ratio: auto;
}
.floors.is-staged .floor-card__body,
.floors.is-staged .floor-card:nth-child(even) .floor-card__body {
  grid-column: 9 / 13;
  padding-left: var(--space-md);
}
.floors.is-staged .floor-card__title { font-size: clamp(2rem, 1.2rem + 2vw, 3.4rem); }

/* Rooftop finale: the photograph opens to the full viewport.
   `.floor-card.floor-card--rooftop` matches the specificity of the
   :nth-child(even) rules above (declared later, so it wins). */
.floors.is-staged .floor-card.floor-card--rooftop .floor-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
}
.floors.is-staged .floor-card--rooftop .floor-card__media::before {
  background:
    linear-gradient(90deg, rgba(17,17,17,0.82) 0%, rgba(17,17,17,0.45) 45%, rgba(17,17,17,0.12) 100%),
    linear-gradient(180deg, rgba(17,17,17,0.35) 0%, transparent 30%, transparent 55%, rgba(17,17,17,0.75) 100%);
}
.floors.is-staged .floor-card.floor-card--rooftop .floor-card__body {
  grid-column: 3 / 9;
  align-self: end;
  z-index: 2;
  padding-left: 0;
}
.floors.is-staged .floor-card--rooftop .floor-card__title { font-size: var(--fs-h2); max-width: 16ch; }
.floors.is-staged .floor-card--rooftop .floor__tags li {
  border-color: var(--color-line-strong);
  background: rgba(17, 17, 17, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--color-text);
}

/* Ghost floor code, behind the cards */
.floor-stage__ghost,
.floor-stage__hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.floor-stage__ghost { z-index: 0; }
.floor-stage__hud { z-index: 5; }
.floor-stage__ghost > .container,
.floor-stage__hud > .container {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  padding-top: calc(var(--header-h) + var(--space-md));
  padding-bottom: var(--space-xl);
}
.floor-stage__ghost > .container { align-items: start; }
.floor-stage__code {
  grid-column: 8 / 13;
  justify-self: end;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: var(--fs-ghost);
  font-weight: 300;
  line-height: 0.85;
  letter-spacing: -0.04em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(184, 154, 112, 0.3);
}
.floor-stage__code span { display: inline-block; }

/* Rail: all nine levels, top to bottom like a building section */
.floor-stage__hud > .container { align-items: center; }
.floor-rail {
  grid-column: 1 / 3;
  display: grid;
  gap: var(--space-md);
}
.floor-rail__count {
  font-size: var(--fs-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.floor-rail__current {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  color: var(--color-text);
}
.floor-rail__current span { display: inline-block; }
.floor-rail__body { position: relative; padding-left: 1.4rem; }
.floor-rail__track {
  position: absolute;
  left: 0;
  top: 1rem;
  bottom: 1rem;
  width: 1px;
  background: var(--color-line-strong);
}
.floor-rail__fill {
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform-origin: 50% 100%;
  transform: scaleY(0);
}
.floor-rail__item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.9em;
  height: 2rem;
  font-size: var(--fs-2xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--color-text-faint);
  transition: color var(--dur-base);
}
.floor-rail__item::before { /* marker on the track */
  content: "";
  position: absolute;
  left: calc(-1.4rem - 3px);
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-line-strong);
  transition: background-color var(--dur-base), border-color var(--dur-base), transform var(--dur-base) var(--ease-out-expo);
}
.floor-rail__code { min-width: 2.8em; font-weight: 500; }
.floor-rail__name {
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--dur-base), transform var(--dur-base) var(--ease-out-expo);
}
.floor-rail__item.is-passed::before { background: var(--color-accent); border-color: var(--color-accent); }
.floor-rail__item.is-active { color: var(--color-text); }
.floor-rail__item.is-active::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.5);
}
.floor-rail__item.is-active .floor-rail__name { opacity: 1; transform: none; }