/* ============================================================================
   page-250.css — "All Categories" index (Itemid 250, com_content=categories)
   Pixel-perfect overlay for the Pencil "Page/Categories" frame (XKWaX).
   Scope: body.item-250 — loaded LAST via index.php filemtime loop.
   Shared template.css / darkmode.css are READ-ONLY; everything here.
   All colour/type route through design tokens → light + dark + the three
   directions (terminal/blueprint/signal) resolve automatically.
   Axes: light/dark × desktop (≥768px) / tablet / mobile (≤620px).
   ============================================================================ */

/* ── Page-level tokens ────────────────────────────────────────────────────── */
body.item-250 {
  --cats-mast-end:  var(--elevated);
  /* design-system §A: tile / pill / glow tints are FIXED brand lime in BOTH
     themes — routing them through var(--primary) re-tints them olive in light.
     Pin to fixed #A3E635; the pill TEXT still flips via var(--primary) below. */
  --cats-tile-bg:   color-mix(in srgb, #A3E635 13%, transparent);
  --cats-pill-bg:   color-mix(in srgb, #A3E635 8%,  transparent);
  --cats-pill-bd:   color-mix(in srgb, #A3E635 25%, transparent);
  --cats-glow:      color-mix(in srgb, #A3E635 6%,  transparent);
}
html.t4-dark body.item-250 {
  --cats-mast-end:  var(--chrome-elevated);
}

/* 0. STRUCTURAL — strip the T4 .t4-main-body top padding so the masthead band
   sits flush under the sticky nav (P58 STICKY-HEADER-CONTENT-GAP). */
body.item-250 .t4-main-body { padding-top: 0 !important; }

/* ============================================================================
   MASTHEAD — .hx-cats-mast
   ============================================================================ */
body.item-250 .hx-cats-mast {
  padding-block: 66px 58px;
  border-bottom: 1px solid var(--border);
  background-color: var(--cats-mast-end);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(ellipse 150% 130% at 50% 0%, var(--cats-glow) 0%, var(--cats-mast-end) 55%);
  background-size: 30px 30px, 30px 30px, 100% 100%;
}

body.item-250 .hx-cats-mast .hx-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

/* Eyebrow → mono BLOG pill with dot */
body.item-250 .hx-cats-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  width: fit-content;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--cats-pill-bg);
  border: 1px solid var(--cats-pill-bd);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
}
body.item-250 .hx-cats-pill__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

/* Title */
body.item-250 .hx-cats-title {
  margin: 0;
  max-width: 760px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 46px;
  font-weight: 700;
  letter-spacing: -1.3px;
  line-height: 1.08;
  color: var(--heading);
}

/* Subtitle */
body.item-250 .hx-cats-sub {
  margin: 0;
  max-width: 600px;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text);
}

/* ============================================================================
   BODY — .hx-cats-body
   ============================================================================ */
body.item-250 .hx-cats-body {
  background: var(--bg);
  padding-block: 64px 80px;
}

/* ============================================================================
   CARD GRID — .hx-cats-grid
   ============================================================================ */
body.item-250 .hx-cats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* ── Card : whole-card link ──────────────────────────────────────────────── */
/* MICRO-INTERACTION: CARD gesture (3a) — neutral border → primary border +
   2px lift + soft shadow on hover/focus; card title color-shifts (3c). */
body.item-250 .hx-cat-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: inherit;
  text-decoration: none;
  transition: border-color .15s ease, transform .2s ease, box-shadow .2s ease;
}
body.item-250 .hx-cat-card:hover,
body.item-250 .hx-cat-card:focus-visible {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px -12px color-mix(in srgb, var(--primary) 40%, transparent);
  outline: none;
}
body.item-250 .hx-cat-card:hover .hx-cat-name,
body.item-250 .hx-cat-card:focus-visible .hx-cat-name {
  color: var(--primary);
}

/* Header row: tile left, count right */
body.item-250 .hx-cat-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

body.item-250 .hx-cat-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 11px;
  background: var(--cats-tile-bg);
}
body.item-250 .hx-cat-ic {
  width: 21px;
  height: 21px;
  color: var(--primary);
}

body.item-250 .hx-cat-count {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 400;
  line-height: 1;
  color: var(--muted);
}

body.item-250 .hx-cat-name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--heading);
  transition: color .15s ease;
}

body.item-250 .hx-cat-desc {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text);
}

body.item-250 .hx-cats-empty { padding: 40px 0; }

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
/* Tablet : 2 columns */
@media (max-width: 980px) {
  body.item-250 .hx-cats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile : 1 column + smaller masthead title */
@media (max-width: 620px) {
  body.item-250 .hx-cats-grid { grid-template-columns: 1fr; }
  body.item-250 .hx-cats-mast { padding-block: 48px 40px; }
  body.item-250 .hx-cats-title { font-size: 32px; letter-spacing: -1px; }
  body.item-250 .hx-cats-sub { font-size: 16px; }
  body.item-250 .hx-cats-body { padding-block: 48px 56px; }
}

/* ============================================================================
   MICRO-INTERACTIONS — reduced-motion guard (build-docs/micro-interactions.md §4)
   ============================================================================ */
@media (prefers-reduced-motion: reduce) {
  body.item-250 .hx-cat-card,
  body.item-250 .hx-cat-card * {
    transition-duration: .01ms !important;
  }
  body.item-250 .hx-cat-card:hover,
  body.item-250 .hx-cat-card:focus-visible {
    transform: none;
  }
}