/* =============================================================
   PLAYGROUND HOME
   The landing page for the Playground. Deliberately spare: a
   very short introduction, then a four-tile bento grid that is
   the whole point of the page. Chrome (nav, footer, type,
   colour, spacing) all come from the portfolio's shared CSS —
   this file only styles the intro and the bento tiles, each of
   which carries a handcrafted thumbnail.
   ============================================================= */

/* =============================================================
   INTRO — one small heading, two short sentences. Nothing else.
   ============================================================= */
.home-hero {
  padding-top: clamp(2rem, 6vw, 4rem);
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.home-hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-display);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.03em;
  line-height: 1;
}

.home-hero__text {
  margin-top: var(--space-5);
  max-width: 54ch;
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* =============================================================
   BENTO GRID — four projects. Two full-width tiles (Nerve top,
   Stitch bottom) frame a two-up middle row (More KLYMB ·
   Candidate Screening).
   ============================================================= */
.bento-section {
  padding-bottom: clamp(3.5rem, 8vw, 6.5rem);
}

.bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.85rem, 2vw, 1.5rem);
}

/* --- The tile: a link wrapping a thumbnail and a hover label -- */
.bento__card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out);
}

.bento__card--wide {
  grid-column: 1 / -1;
}

/* Generous, deliberately varied tile heights. The clamp floors
   protect the compositions when the grid collapses to one column
   on narrow screens (where vw-based heights would go too short). */
.bento__card--nerve     { min-height: clamp(340px, 42vw, 500px); }
.bento__card--klymb,
.bento__card--screening { min-height: clamp(300px, 33vw, 420px); }
.bento__card--stitch    { min-height: clamp(230px, 24vw, 320px); }

.bento__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}

.bento__card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* --- Thumbnail surface, filling the tile -------------------- */
.bento__thumb {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

/* Subtle darken on hover — signals the whole tile is a link. */
.bento__thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 5;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}

.bento__card:hover .bento__thumb::after,
.bento__card:focus-visible .bento__thumb::after {
  opacity: 0.16;
}

/* --- Hover label: dark translucent chip, bottom-left -------- */
.bento__label {
  position: absolute;
  left: clamp(0.85rem, 2vw, 1.35rem);
  bottom: clamp(0.85rem, 2vw, 1.35rem);
  z-index: 6;
  padding: 0.4em 0.85em;
  background: rgba(12, 11, 15, 0.62);
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.01em;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    opacity var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
}

.bento__card:hover .bento__label,
.bento__card:focus-visible .bento__label {
  opacity: 1;
  transform: none;
}

/* Two-line variant of the same chip — a project name with its
   metadata under it. Used where the name alone doesn't say what
   the project is. Identical chip, identical hover; only the
   contents stack. */
.bento__label--stack {
  display: grid;
  gap: 0.15em;
  padding: 0.55em 0.9em;
}

.bento__label-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.bento__label-meta {
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: rgba(255, 255, 255, 0.66);
}

/* =============================================================
   THUMB 01 — NERVE
   A concept-board composition: three dark app screens scattered,
   rotated a few degrees, cropped by the tile, at varied depth.
   The screens' corners are transparent, so drop-shadow follows
   the phone silhouette — no frames, no device mockups.
   ============================================================= */
.thumb--nerve {
  background:
    radial-gradient(120% 92% at 50% 130%, rgba(212, 112, 58, 0.13), transparent 60%),
    #0B0A0E;
}

.nerve-shot {
  position: absolute;
  bottom: -14%;
  height: 132%;
  width: auto;
  filter: drop-shadow(0 20px 34px rgba(0, 0, 0, 0.72));
}

/* Left — behind, smaller, tilted away */
.nerve-shot--left {
  left: 4%;
  height: 118%;
  bottom: -16%;
  transform: rotate(-7deg);
  z-index: 1;
  opacity: 0.9;
}

/* Centre — dominant, front, near-upright */
.nerve-shot--center {
  left: 50%;
  height: 146%;
  bottom: -8%;
  transform: translateX(-50%) rotate(2deg);
  z-index: 3;
}

/* Right — mid depth, tilted the other way */
.nerve-shot--right {
  right: 4%;
  height: 122%;
  bottom: -17%;
  transform: rotate(7deg);
  z-index: 2;
  opacity: 0.94;
}

/* =============================================================
   THUMB 02 — MORE KLYMB
   The supplied transparent phone mockup, unaltered, centred over
   a restrained crimson glow — the same ground the KLYMB Featured
   Work thumbnail uses. The mockup stays the focal point.
   ============================================================= */
.thumb--klymb {
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2rem);
  background:
    radial-gradient(66% 52% at 50% 44%, rgba(245, 53, 79, 0.30), transparent 62%),
    radial-gradient(130% 95% at 50% 122%, rgba(245, 53, 79, 0.10), transparent 55%),
    #0E0D11;
}

.thumb--klymb img {
  width: auto;
  height: auto;
  /* Square mockup — cap BOTH axes so the phone is never cropped by
     the tile, whatever the tile's aspect works out to. */
  max-width: 86%;
  max-height: 92%;
  filter: drop-shadow(0 26px 44px rgba(0, 0, 0, 0.5));
}

/* =============================================================
   THUMB 03 — CANDIDATE SCREENING
   The exact thumbnail the case study opens with, filled
   edge-to-edge. The export is already a deliberate crop of the
   dashboard's top-left — anchoring to the left keeps the title,
   the filters and the first candidate rows intact, and lets the
   tile take its crop from the same edge the export already cuts.
   ============================================================= */
.thumb--screening {
  background: #F2F2F2; /* matches the export's own margin */
}

.thumb--screening img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

/* =============================================================
   THUMB 04 — STITCH AI
   A clean, hero-like panel: a soft blue-to-purple flow over near
   black, one line of large minimal type. No logos, no BETA.
   ============================================================= */
.thumb--stitch {
  display: grid;
  place-items: center;
  background:
    radial-gradient(78% 130% at 16% 112%, rgba(129, 104, 255, 0.55), transparent 56%),
    radial-gradient(70% 110% at 88% 6%, rgba(88, 66, 214, 0.42), transparent 55%),
    linear-gradient(150deg, #0A0A12 0%, #131128 46%, #1B1740 100%);
}

/* A quiet diagonal light-sweep for soft lighting — no blobs. */
.thumb--stitch::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.06) 50%, transparent 68%);
  pointer-events: none;
}

.stitch-word {
  position: relative;
  z-index: 1;
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 5.2vw, 3.1rem);
  font-weight: var(--weight-medium);
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 30px rgba(129, 104, 255, 0.35);
}

/* =============================================================
   RESPONSIVE — collapse to a single column; keep tiles roomy.
   ============================================================= */
@media (max-width: 720px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .bento__card {
    grid-column: 1 / -1;
  }

  /* Two phones read better than three once the wide tile narrows. */
  .nerve-shot--left {
    display: none;
  }

  .nerve-shot--center {
    left: 34%;
  }

  .nerve-shot--right {
    right: 6%;
  }
}