/* ============================================================
   tajwalia.com · 2026 — Layer 4: BENTO
   Interactive case-study grid: category toggle rail +
   FLIP-animated card swapping (engine in assets/js/bento.js).
   12-column lattice, 16px gutters, everything on the 8px grid.
   ============================================================ */

/* ---------- Category toggle rail (glass tier 3) ---------- */
.bento-rail{
  display:inline-flex;flex-wrap:wrap;align-items:center;gap:var(--s1);
  background:var(--glass-3-bg);
  -webkit-backdrop-filter:blur(var(--glass-3-blur));
  backdrop-filter:blur(var(--glass-3-blur));
  border:var(--glass-3-border);
  border-radius:var(--r-pill);
  padding:var(--s1);
  margin-bottom:var(--s5);
  box-shadow:var(--shadow-1);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .bento-rail{background:var(--card)}
}
.bento-tab{
  appearance:none;border:1px solid transparent;background:transparent;
  font-family:var(--sans);font-size:var(--text-sm);font-weight:600;
  color:var(--ink-soft);cursor:pointer;
  padding:.55em 1.1em;border-radius:var(--r-pill);
  transition:background var(--t-fast) var(--ease-out-quart),
             color var(--t-fast) var(--ease-out-quart),
             border-color var(--t-fast) var(--ease-out-quart),
             transform var(--t-fast) var(--ease-spring);
}
.bento-tab:hover{color:var(--ink);background:rgba(var(--ink-rgb), .05)}
.bento-tab:active{transform:scale(.97)}
.bento-tab:focus-visible{outline:var(--focus-ring);outline-offset:2px}
.bento-tab[aria-selected="true"]{
  background:var(--ink);color:#fff;
  border-color:var(--ink);
}
.bento-tab[aria-selected="true"]:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.bento-count{
  display:inline-block;margin-left:.5em;
  font-size:var(--text-2xs);font-weight:600;
  color:var(--accent-deep);background:var(--accent-tint);
  border-radius:var(--r-pill);padding:.1em .6em;
  font-variant-numeric:tabular-nums;
}
.bento-tab[aria-selected="true"] .bento-count{
  color:#fff;background:rgba(255,255,255,.18);
}

/* ---------- The grid ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(12, 1fr);
  gap:var(--s2);
  grid-auto-flow:dense;
  /* Height is animated inline by bento.js during swaps to
     prevent the footer jumping (CLS guard). */
}

/* ---------- Cards ---------- */
.bento-card{
  grid-column:span 3;
  position:relative;
  display:flex;flex-direction:column;gap:var(--s1);
  background:var(--glass-2-bg);
  -webkit-backdrop-filter:blur(var(--glass-2-blur)) saturate(1.1);
  backdrop-filter:blur(var(--glass-2-blur)) saturate(1.1);
  border:var(--glass-2-border);
  box-shadow:var(--shadow-1), var(--glass-2-highlight);
  border-radius:var(--r-lg);
  padding:var(--card-pad);
  color:inherit;text-decoration:none;
  overflow:hidden;
  /* Composite transform driven by custom properties:
     --rx/--ry  cursor-tracking 3D tilt (set by main.js)
     --lift/--zoom  hover elevation (set by :hover below)
     Idle values resolve to the identity transform. */
  transform:perspective(900px)
            rotateX(var(--rx, 0deg))
            rotateY(var(--ry, 0deg))
            translateY(var(--lift, 0px))
            scale(var(--zoom, 1));
  transition:transform .18s var(--ease-out-quart),
             box-shadow var(--t-med) var(--ease-out-quart),
             border-color var(--t-fast) var(--ease-out-quart),
             opacity var(--t-med) var(--ease-out-quart);
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .bento-card{background:var(--card)}
}
/* Cursor-following sheen: a soft light spot that tracks the
   pointer across the glass (position fed by main.js) */
.bento-card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%),
             rgba(255,255,255,.55), transparent 62%);
  opacity:0;pointer-events:none;z-index:0;
  transition:opacity var(--t-med) var(--ease-out-quart);
}
.bento-card:hover::before{opacity:1}
.bento-card > *{position:relative;z-index:1}
.bento-card:hover{
  --lift:-6px;
  --zoom:1.012;
  box-shadow:var(--shadow-3), var(--glass-2-highlight);
  border-color:rgba(var(--accent-rgb), .35);
  text-decoration:none;
}
.bento-card:active{--lift:-2px;--zoom:1.004}
.bento-card:focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-offset)}

.bento-card.b-feature{grid-column:span 6}

/* Feature cards carry a soft copper aura in their corner */
.bento-card.b-feature::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle, rgba(var(--accent-rgb), .1), transparent 70%);
  pointer-events:none;
  transition:opacity var(--t-med) var(--ease-out-quart);
  opacity:.7;
}
.bento-card.b-feature:hover::after{opacity:1}

/* ---------- Image band ----------
   Bleeds to the card edges by cancelling the card padding
   (padding is var(--card-pad) = 32px top/sides). */
.bento-media{
  margin:calc(var(--s4) * -1) calc(var(--s4) * -1) var(--s2);
  height:112px;overflow:hidden;
  border-bottom:1px solid rgba(var(--ink-rgb), .07);
  background:var(--paper-deep);
}
.bento-card.b-feature .bento-media{height:156px}
.bento-media img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s var(--ease-out-quart);
}
.bento-card:hover .bento-media img{transform:scale(1.05)}

.bento-kicker{
  font-size:var(--text-2xs);font-weight:600;
  letter-spacing:var(--track-caps);text-transform:uppercase;
  color:var(--accent-deep);
}
.bento-card h3{font-size:1.18rem;margin:0;line-height:1.25}
.bento-card.b-feature h3{font-size:clamp(1.4rem, 2.2vw, 1.7rem)}

/* Compact metric row: numeral + short label side by side */
.bento-metric-row{
  display:flex;align-items:center;gap:var(--s2);
  margin-top:var(--s1);
}
.bento-metric{
  font-family:var(--serif);
  font-size:clamp(1.9rem, 2.8vw, 2.5rem);
  font-weight:600;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums; /* counter ticks cannot reflow */
  letter-spacing:-.02em;white-space:nowrap;
}
.bento-card.b-feature .bento-metric{font-size:clamp(2.2rem, 3.4vw, 3rem)}
.bento-metric em{font-style:normal;color:var(--accent);font-size:.6em}
.bento-metric-lbl{
  font-size:var(--text-xs);font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  line-height:1.5;
}
.bento-card p{color:var(--ink-soft);font-size:.95rem;margin:0}
.bento-cta{
  margin-top:auto;padding-top:var(--s2);
  font-weight:600;color:var(--accent-deep);font-size:var(--text-sm);
}
.bento-cta::after{
  content:" →";display:inline-block;
  transition:transform var(--t-fast) var(--ease-out-quart);
}
.bento-card:hover .bento-cta::after{transform:translateX(3px)}

/* ---------- Swap-state classes driven by bento.js ---------- */
/* A card leaving the active view */
.bento-card.is-exiting{
  opacity:0;
  transform:scale(.96);
  pointer-events:none;
}
/* A card fully removed from flow once its exit transition ends */
.bento-card.is-out{display:none}
/* A card entering the view (start frame; bento.js releases it) */
.bento-card.is-entering{
  opacity:0;
  transform:translateY(16px) scale(.98);
}
/* During a FLIP pass the engine applies inline transforms;
   this class suppresses hover-transition conflicts */
.bento.is-flipping .bento-card{transition:none}

/* ---------- View-specific layouts (desktop) ----------
   Each filter recomposes the lattice so every view fills its
   rows evenly (bento.js sets data-view on the grid):
     all        → 2 features (6) + 8 standard (3) = even rows
     growth (3) → thirds        retention (2) → halves
     brand  (4) → quarters      ai (3)        → thirds       */
@media (min-width:1081px){
  .bento[data-view="growth"] .bento-card,
  .bento[data-view="ai"] .bento-card{grid-column:span 4}
  .bento[data-view="retention"] .bento-card{grid-column:span 6}
  .bento[data-view="brand"] .bento-card{grid-column:span 3}
  .bento[data-view="retention"] .bento-media{height:156px}
}

/* ---------- Responsive lattice ---------- */
@media (max-width:1080px){
  .bento{grid-template-columns:repeat(6, 1fr)}
  .bento-card{grid-column:span 3}
  .bento-card.b-feature{grid-column:span 6}
}
@media (max-width:640px){
  .bento{grid-template-columns:1fr}
  .bento-card,
  .bento-card.b-feature{grid-column:auto}
  .bento-rail{
    width:100%;border-radius:var(--r-lg);
    justify-content:flex-start;
  }
}

/* ---------- Mobile card cap ----------
   On phones the "All" view shows the first six cards with a
   "Show all work" toggle (same pattern as the brand wall).
   Filtered views always show everything that matches, and the
   cap never fights the .is-out filtering (it only applies in
   the data-view="all" state). */
.bento-more{display:none;text-align:center;margin-top:var(--s3)}
@media (max-width:640px){
  #bento-grid[data-view="all"]:not(.m-open) .bento-card.m-extra{display:none}
  #bento-grid[data-view="all"]:not(.m-open) + .bento-more{display:block}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  .bento-card.is-exiting,
  .bento-card.is-entering{opacity:1;transform:none}
}