/* ============================================================
   CrumpIT — Portfolio page (@layer pages)
   Masonry grid, live web-preview iframes, hover-zoom media,
   and a themed lightbox (ui.js modal). Reuses tokens + tabs.
   ============================================================ */

@layer pages {

  .page-hero {
    padding-top: calc(var(--header-h) + var(--sp-16));
    padding-bottom: var(--sp-8);
  }
  .page-hero h1 { margin: var(--sp-4) 0; }
  .page-hero .lead { max-width: 58ch; }

  .portfolio-section { padding-top: var(--sp-6); }

  /* ---- Filter tabs (shared look with store) ---- */
  .filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-10);
  }
  .filter-tab {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: var(--fs-14);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: var(--r-pill);
    background: var(--surface);
    transition: color var(--dur-base) var(--ease),
                border-color var(--dur-base) var(--ease),
                background-color var(--dur-base) var(--ease),
                box-shadow var(--dur-base) var(--ease);
  }
  .filter-tab:hover { color: var(--text); border-color: var(--accent-24); }
  .filter-tab.is-active {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--glow-sm);
  }

  /* ---- Masonry (CSS columns) ---- */
  .masonry {
    column-count: 3;
    column-gap: var(--sp-6);
  }
  @media (max-width: 1024px) { .masonry { column-count: 2; } }
  @media (max-width: 640px)  { .masonry { column-count: 1; } }

  /* display:block above the UA sheet would defeat the hidden attribute the
     category filter sets — restate it so filtered-out items really disappear. */
  .pf-item[hidden] { display: none; }
  .pf-empty { color: var(--text-muted); padding: var(--sp-8) 0; }

  .pf-item {
    display: block;
    break-inside: avoid;
    margin: 0 0 var(--sp-6);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--dur-base) var(--ease),
                border-color var(--dur-base) var(--ease),
                box-shadow var(--dur-base) var(--ease);
  }
  .pf-item:hover, .pf-item:focus-visible {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: var(--glow-md);
    outline: none;
  }
  .pf-item:focus-visible { box-shadow: var(--glow-md), 0 0 0 2px var(--accent); }

  .pf-item__media { position: relative; overflow: hidden; }

  /* image + motion tiles */
  .pf-item__art {
    position: relative;
    display: grid;
    place-items: center;
    background: linear-gradient(150deg, var(--pf-a, var(--accent)), var(--pf-b, #05070b));
    transition: transform var(--dur-slow) var(--ease);
  }
  .pf-item:hover .pf-item__art { transform: scale(1.06); }
  .pf-item__art--sq   { aspect-ratio: 1 / 1; }
  .pf-item__art--wide { aspect-ratio: 16 / 9; }
  .pf-item__art--tall { aspect-ratio: 4 / 5; }
  .pf-item__mono {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.5rem, 7vw, 4rem);
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: 0.04em;
    text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  }
  .pf-item__build {
    width: 46%;
    aspect-ratio: 3 / 4;
    border-radius: 6px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    background: linear-gradient(160deg, rgba(255,255,255,0.10), rgba(0,0,0,0.25));
    box-shadow: 0 0 26px rgba(0, 0, 0, 0.4), inset 0 0 22px rgba(255,255,255,0.06);
  }
  .pf-item__play {
    width: 66px; height: 66px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(2px);
  }
  .pf-item__play::before {
    content: "";
    width: 0; height: 0;
    border-left: 18px solid rgba(255, 255, 255, 0.95);
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
    margin-left: 4px;
  }

  /* web preview frame (scaled iframe) */
  .pf-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(150deg, var(--surface-alt), var(--surface));
    overflow: hidden;
  }
  .pf-frame__ph {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--accent);
    transition: opacity var(--dur-base) var(--ease);
  }
  .pf-frame__ph svg { width: 46px; height: 46px; }
  .pf-iframe {
    position: absolute;
    top: 0; left: 0;
    width: 1200px;
    height: 750px;
    border: 0;
    transform-origin: 0 0;
    opacity: 0;
    transition: opacity var(--dur-base) var(--ease);
    pointer-events: none;   /* card handles the click */
  }
  .pf-frame.is-loaded .pf-iframe { opacity: 1; }
  .pf-frame.is-loaded .pf-frame__ph { opacity: 0; }

  .pf-item__hint {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: var(--sp-6) var(--sp-4) var(--sp-3);
    font-family: var(--font-ui);
    font-size: var(--fs-12);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #fff;
    background: linear-gradient(to top, rgba(4,5,8,0.72), transparent);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  }
  .pf-item:hover .pf-item__hint,
  .pf-item:focus-visible .pf-item__hint { opacity: 1; transform: translateY(0); }

  /* caption */
  .pf-item__cap {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: var(--sp-5) var(--sp-6);
  }
  .pf-item__tag {
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: var(--fs-12);
    letter-spacing: var(--ls-ui);
    text-transform: uppercase;
    color: var(--accent);
  }
  .pf-item__title {
    font-family: var(--font-display);
    font-size: var(--fs-18);
    letter-spacing: var(--ls-display);
    text-transform: uppercase;
    line-height: 1.15;
  }

  /* ---- Lightbox (adds onto ui.js .modal) ---- */
  .modal.modal--preview { width: min(1080px, 96vw); }
  .pf-lb__frame {
    width: 100%;
    height: min(68vh, 660px);
    border-radius: var(--r-sm);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg);
  }
  .pf-lb__frame iframe { width: 100%; height: 100%; border: 0; display: block; }
  .pf-lb__open { margin-top: 0; }
  .pf-lb__actions { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-top: var(--sp-4); }
  .pf-lb__art {
    display: grid;
    place-items: center;
    aspect-ratio: 16 / 9;
    border-radius: var(--r-sm);
    background: linear-gradient(150deg, var(--pf-a, var(--accent)), var(--pf-b, #05070b));
  }
  .pf-lb__note { color: var(--text-muted); margin-top: var(--sp-4); font-size: var(--fs-14); }

  /* ---- Responsive ---- */
  @media (max-width: 768px) {
    .pf-item__hint { opacity: 1; transform: none; }
  }
}