/* ==========================================================================
   CEL-01 · Home → Celulares · RailScene
   Patterns: SML-008 Snap Carousel · SML-002 Staggered Reveal ·
             SML-006 Color Nav Gallery · SML-014 Accordion
   Everything is scoped to :is([data-block="cel-01"],[data-block="acc-01"]). Uses the site's existing
   tokens (--motion-fast, --motion-medium, --ease-out, --ease-in-out, --gutter…)
   and the global .reveal primitive; it defines no new global tokens.
   ========================================================================== */

:is([data-block="cel-01"],[data-block="acc-01"]){
  --cel-gap: clamp(12px, 1.4vw, 20px);
  --cel-cards: 4.25;        /* visible cards (fraction = peek of the next one) */
  --cel-gaps: 4;            /* gaps inside the visible area                    */
  --cel-stage-ratio: 4 / 5; /* product stage; derivatives are exported at 4:5 */
  --cel-fade: var(--motion-fast, .22s);
}
@media (max-width: 1279px){ :is([data-block="cel-01"],[data-block="acc-01"]){ --cel-cards: 3.3;  --cel-gaps: 3; } }
@media (max-width: 1068px){ :is([data-block="cel-01"],[data-block="acc-01"]){ --cel-cards: 2.35; --cel-gaps: 2; } }
@media (max-width: 734px) { :is([data-block="cel-01"],[data-block="acc-01"]){ --cel-cards: 1.2;  --cel-gaps: 1; } }
/* short landscape phones: more, shorter cards so a card fits the visible height */
@media (max-height: 520px) and (orientation: landscape){ :is([data-block="cel-01"],[data-block="acc-01"]){ --cel-cards: 3.2; --cel-gaps: 3; --cel-stage-ratio: 1 / 1; } }

/* ---------- Progressive enhancement: never hide content without JS ------- */
:is([data-block="cel-01"],[data-block="acc-01"]):not(.cel-ready) .reveal{ opacity: 1; transform: none; }
:is([data-block="cel-01"],[data-block="acc-01"]):not(.cel-ready) .cel-count{ display: none !important; }  /* counter needs JS */

/* ---------- Head controls ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .rail-nav{ display: flex; gap: .5rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .rail-nav button{
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-light); display: grid; place-items: center; color: var(--ink);
  background: transparent;
  transition: background var(--motion-fast) var(--ease-out), border-color var(--motion-fast) var(--ease-out), opacity var(--motion-fast) var(--ease-out);
}
:is([data-block="cel-01"],[data-block="acc-01"]) .rail-nav button:disabled{ opacity: .35; cursor: default; }
:is([data-block="cel-01"],[data-block="acc-01"]) .rail-nav[hidden]{ display: none; }

/* ---------- Rail (SML-008) ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .cel-rail-wrap{
  position: relative;
  margin-inline: calc(-1 * var(--gutter));
  container-type: inline-size;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .cel-rail{
  display: flex; gap: var(--cel-gap);
  margin: 0; padding: 6px var(--gutter) 28px; list-style: none;
  overflow-x: auto; overflow-y: hidden;
  overscroll-behavior-x: contain;         /* no back-swipe navigation, vertical untouched */
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .cel-rail::-webkit-scrollbar{ display: none; }

/* ---------- Card ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard{
  flex: 0 0 max(240px, calc((100cqi - var(--gutter) - var(--cel-gaps) * var(--cel-gap)) / var(--cel-cards)));
  scroll-snap-align: start;
  background: #fff; border: 1px solid var(--line-light); border-radius: var(--radius-l);
  display: grid; grid-template-rows: auto auto 1fr;
  overflow: hidden; position: relative;
}
/* Reveal (opacity/transform, staggered by --d) and hover (translate/box-shadow, no delay)
   run on separate properties so hover never inherits the stagger delay. */
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal,
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard{
  --d: 0s;
  transition-property: opacity, transform, translate, box-shadow;
  transition-duration: var(--motion-slow), var(--motion-slow), var(--motion-medium), var(--motion-medium);
  transition-timing-function: var(--ease-out);
  transition-delay: var(--d), var(--d), 0s, 0s;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="1"]{ --d: .08s; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="2"]{ --d: .16s; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="3"]{ --d: .24s; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="4"]{ --d: .32s; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="5"]{ --d: .40s; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="6"]{ --d: .48s; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-top{ display: flex; justify-content: space-between; align-items: center; padding: 1.1rem 1.2rem 0; min-height: 2.9rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-top .tag{
  display: inline-flex; align-items: center; gap: .45rem; padding: .38rem .75rem; border-radius: var(--radius-pill);
  border: 1px solid var(--line-light); color: var(--ink-2); background: var(--studio);
  font-size: .76rem; font-weight: 500; line-height: 1.2;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-top .tag .dot{ width: 6px; height: 6px; border-radius: 50%; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-top .tag.new{ border-color: transparent; background: var(--ink); color: #fff; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-top .tag.new .dot{ background: var(--signal); }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-top .year{ font-family: var(--font-label); font-size: .6rem; letter-spacing: .2em; color: var(--ink-3); }

/* ---------- Product stage (ProductStage + ColorNav target) ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-stage{
  position: relative; aspect-ratio: var(--cel-stage-ratio);
  margin: .5rem 1rem 0; overflow: hidden; border-radius: var(--radius-m);
  background: #fff;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-shot{
  position: absolute; inset: 0; margin: 0;
  opacity: 0; transition: opacity var(--cel-fade) var(--ease-in-out);
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-shot.is-active{ opacity: 1; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-shot img{
  display: block; width: 100%; height: 100%; object-fit: contain; object-position: 50% 100%;
  transition: transform var(--motion-slow) var(--ease-out);
}

/* Placeholder device (only while a model has no real photo) */
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-stage.is-pending{ display: grid; place-items: center; background: var(--studio); }
:is([data-block="cel-01"],[data-block="acc-01"]) .mini{
  --mw: clamp(104px, 40%, 140px); width: var(--mw); aspect-ratio: 1 / 2.05; border-radius: 22px;
  background: #0E0F12; position: relative;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35), inset 0 0 0 3px #0E0F12, inset 0 0 0 4px #43444B, 0 20px 40px -18px rgba(17,17,20,.5);
}
:is([data-block="cel-01"],[data-block="acc-01"]) .mini .screen{ position: absolute; inset: 4px; border-radius: 19px; overflow: hidden; background: var(--wall, linear-gradient(160deg,#5B6BFF,#0B0B0D 90%)); }
:is([data-block="cel-01"],[data-block="acc-01"]) .mini .screen::after{ content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255,255,255,.28), transparent 40%); }
:is([data-block="cel-01"],[data-block="acc-01"]) .mini .island{ position: absolute; left: 50%; top: 6%; translate: -50%; width: 32%; height: 5%; border-radius: 999px; background: #000; }
:is([data-block="cel-01"],[data-block="acc-01"]) .mini .time{ position: absolute; inset: 20% 0 auto; text-align: center; color: #fff; font-weight: 600; font-size: 1.5rem; letter-spacing: -.04em; }
:is([data-block="cel-01"],[data-block="acc-01"]) .mini .home{ position: absolute; left: 50%; bottom: 3%; translate: -50%; width: 34%; height: 2.5%; border-radius: 999px; background: rgba(255,255,255,.85); }

/* ---------- Body ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-body{ padding: 1rem 1.4rem 1.3rem; display: flex; flex-direction: column; gap: .45rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-body h3{ margin: 0; font-size: 1.45rem; font-weight: 600; letter-spacing: -.03em; line-height: 1.1; color: var(--ink); }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-body p{ margin: 0; color: var(--ink-2); font-size: .92rem; line-height: 1.4; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-body .row{ display: flex; justify-content: space-between; align-items: center; gap: .6rem; margin-top: auto; padding-top: .5rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-body .specs{ display: flex; gap: .35rem; flex-wrap: wrap; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard-body .go{
  flex: none; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: #fff;
  display: grid; place-items: center; transition: transform var(--motion-fast) var(--ease-out);
}

/* ---------- Color Nav (SML-006) ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-colors{ display: flex; align-items: center; gap: .35rem; min-height: 44px; margin-top: .15rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-colors[hidden]{ display: none; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-swatches{ display: flex; gap: 0; margin-left: -9px; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-sw{
  position: relative; width: 44px; height: 44px; padding: 0; border: 0; background: none; cursor: pointer;
  display: grid; place-items: center; border-radius: 50%;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-sw::before{   /* the visible 22px swatch inside a 44px hit area */
  content: ""; width: 22px; height: 22px; border-radius: 50%; background: var(--sw);
  box-shadow: inset 0 0 0 1px rgba(17,17,20,.18);
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-sw::after{    /* selected ring */
  content: ""; position: absolute; width: 30px; height: 30px; border-radius: 50%;
  box-shadow: 0 0 0 1.5px var(--ink); opacity: 0; transform: scale(.85);
  transition: opacity var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-sw[aria-pressed="true"]::after{ opacity: 1; transform: none; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-sw:focus-visible{ outline: 2px solid var(--signal); outline-offset: -4px; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pc-color-name{ font-size: .82rem; color: var(--ink-2); font-weight: 500; white-space: nowrap; }

/* ---------- Otras opciones (SML-014 · <details>) ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.drawer{ background: var(--ink); color: #fff; border-color: transparent; grid-template-rows: auto minmax(0, 1fr) auto; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.drawer .pcard-top .year{ color: rgba(255,255,255,.5); }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-area{ position: relative; margin: .5rem 1.2rem 0; min-height: 12rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-scroll{ position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.25) transparent; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-list{ list-style: none; margin: 0; padding: 0; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-list li{ border-top: 1px solid var(--line-dark); }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-list a{
  display: flex; justify-content: space-between; align-items: center; min-height: 44px; padding: .55rem 0;
  font-size: .95rem; font-weight: 500; color: rgba(255,255,255,.86);
  transition: color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-list a span{ color: rgba(255,255,255,.45); font-size: .8rem; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more{ border-top: 1px solid var(--line-dark); }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more > summary{
  list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: .55rem;
  min-height: 44px; margin: .5rem 0; padding: 0 1rem;
  border: 1px solid var(--line-dark); border-radius: var(--radius-pill);
  font-size: .85rem; font-weight: 600; color: #fff;
}
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more > summary::-webkit-details-marker{ display: none; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more > summary:focus-visible{ outline: 2px solid var(--signal); outline-offset: 3px; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .pm{ width: 14px; height: 14px; position: relative; flex: none; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .pm::before,
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .pm::after{ content: ""; position: absolute; left: 50%; top: 50%; translate: -50% -50%; background: #fff; transition: transform var(--motion-fast) var(--ease-out); }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .pm::before{ width: 14px; height: 2px; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .pm::after{ width: 2px; height: 14px; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more[open] .pm::after{ transform: rotate(90deg); }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .lbl-open{ display: none; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more[open] .lbl-open{ display: inline; }
:is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more[open] .lbl-closed{ display: none; }
/* Native height animation where supported (Chromium 131+); instant elsewhere */
@supports selector(::details-content){
  :is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more{ interpolate-size: allow-keywords; }
  :is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more::details-content{
    height: 0; overflow: clip;
    transition: height var(--motion-medium) var(--ease-out), content-visibility var(--motion-medium) allow-discrete;
  }
  :is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more[open]::details-content{ height: auto; }
}
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.drawer .pcard-body h3{ color: #fff; }
:is([data-block="cel-01"],[data-block="acc-01"]) .pcard.drawer .pcard-body p{ color: rgba(255,255,255,.66); }

/* ---------- Mobile counter ---------- */
:is([data-block="cel-01"],[data-block="acc-01"]) .cel-count{
  display: none; justify-content: center; margin-top: .25rem;
  font-family: var(--font-label); font-size: .66rem; letter-spacing: .2em; color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

/* ---------- Staggered reveal tuning (SML-002 · global .reveal primitive) ---------- */

/* ---------- Hover: fine pointers only ---------- */
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference){
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard:hover{ translate: 0 -4px; box-shadow: 0 30px 60px -30px rgba(17,17,20,.25); }
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard:hover .pc-shot img{ transform: scale(1.03); }
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard:hover .go{ transform: translateX(3px); }
  :is([data-block="cel-01"],[data-block="acc-01"]) .rail-nav button:not(:disabled):hover{ background: #fff; border-color: rgba(17,17,20,.3); }
  :is([data-block="cel-01"],[data-block="acc-01"]) .drawer-list a:hover{ color: #fff; transform: translateX(4px); }
}

/* ---------- Mobile ---------- */
@media (max-width: 734px){
  :is([data-block="cel-01"],[data-block="acc-01"]) .rail-nav{ display: none; }
  :is([data-block="cel-01"],[data-block="acc-01"]) .cel-count{ display: flex; }
  :is([data-block="cel-01"],[data-block="acc-01"]) .cel-rail{ padding-bottom: 14px; }
  /* max 3 staggered steps; the rest enter with the 3rd */
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="4"],
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="5"],
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard.reveal[data-delay="6"]{ --d: .24s; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  :is([data-block="cel-01"],[data-block="acc-01"]) .pc-shot,
  :is([data-block="cel-01"],[data-block="acc-01"]) .pc-shot img,
  :is([data-block="cel-01"],[data-block="acc-01"]) .pcard,
  :is([data-block="cel-01"],[data-block="acc-01"]) .pc-sw::after,
  :is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more .pm::after{ transition: none; }
  :is([data-block="cel-01"],[data-block="acc-01"]) .drawer-more::details-content{ transition: none; }
}