/* ==========================================================================
   Projects page
   ========================================================================== */

/* ---------- Featured (real) work: stacked cards ---------- */
.featured-work .section-head--split .lead { max-width: 440px; }
.featured-work .stack-card .info .stack { gap: 18px; }
.featured-work .stack-card .info h3 { font-size: var(--h4); line-height: 1.15; letter-spacing: -0.02em; }
.real-badge {
  position: absolute; left: 18px; top: 18px; z-index: 1;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 100px;
  background: rgba(28, 20, 12, .72); color: var(--cream);
  font-size: 13px; font-weight: 600; letter-spacing: .02em;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.real-badge i { width: 7px; height: 7px; border-radius: 50%; background: #6fcf7b; box-shadow: 0 0 0 4px rgba(111, 207, 123, .22); }
.scope { display: flex; flex-wrap: wrap; gap: 8px; }
.scope li {
  padding: 7px 14px; border-radius: 100px;
  background: rgba(252, 217, 160, .08); border: 1px solid var(--line-dark);
  color: var(--cream); font-size: 14px; font-weight: 500;
}
.featured-work .link-arrow { color: var(--cream); }
.featured-work .link-arrow:hover { color: var(--white); }

/* ---------- Filter chips ---------- */
.pf-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.pf-chip {
  padding: 11px 20px; border-radius: 100px;
  border: 1px solid var(--line); background: var(--white);
  font-size: 15px; font-weight: 500; color: var(--title);
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s;
}
.pf-chip:hover { border-color: var(--rust); color: var(--rust); }
.pf-chip.is-active { background: var(--rust); border-color: var(--rust); color: var(--white); }
.pf-chip:focus-visible { outline: 2px solid var(--rust); outline-offset: 3px; }

/* ---------- Portfolio grid ---------- */
.pf-grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 260px;
  grid-auto-flow: dense;
}
.pf-tile {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--radius-lg); background: var(--sand);
  text-align: left; padding: 0; isolation: isolate;
  cursor: zoom-in;
}
.pf-tile[hidden] { display: none; }
.pf-tile--tall { grid-row: span 2; }
.pf-tile--wide { grid-column: span 2; }
.pf-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.pf-tile::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, rgba(18, 12, 7, 0) 35%, rgba(18, 12, 7, .82) 100%);
  opacity: 0; transition: opacity .5s var(--ease);
}
.pf-overlay {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  padding: 24px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  transform: translateY(18px); opacity: 0;
  transition: transform .5s var(--ease), opacity .5s var(--ease);
}
.pf-cat {
  padding: 5px 12px; border-radius: 100px;
  background: var(--cream); color: var(--brown-deep);
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.pf-title { color: var(--white); font-size: var(--h5); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.pf-zoom {
  position: absolute; top: 16px; right: 16px; z-index: 1;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .9); color: var(--rust);
  transform: scale(.6); opacity: 0;
  transition: transform .45s var(--ease), opacity .45s var(--ease);
}
.pf-zoom svg { width: 20px; height: 20px; }
.pf-tile:hover img, .pf-tile:focus-visible img { transform: scale(1.06); }
.pf-tile:hover::after, .pf-tile:focus-visible::after { opacity: 1; }
.pf-tile:hover .pf-overlay, .pf-tile:focus-visible .pf-overlay { transform: none; opacity: 1; }
.pf-tile:hover .pf-zoom, .pf-tile:focus-visible .pf-zoom { transform: none; opacity: 1; }
.pf-tile:focus-visible { outline: 3px solid var(--rust); outline-offset: 3px; }
.pf-pop { animation: pfPop .6s var(--ease) both; }
@keyframes pfPop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }

/* Touch devices: no hover, so keep captions visible */
@media (hover: none) {
  .pf-tile::after, .pf-overlay { opacity: 1; }
  .pf-overlay { transform: none; padding: 18px; }
  .pf-zoom { display: none; }
}

/* Honest note */
.pf-note {
  margin-top: 40px; display: flex; gap: 16px; align-items: flex-start;
  padding: 22px 26px; border-radius: var(--radius-lg);
  background: var(--sand); border: 1px dashed rgba(160, 78, 18, .35);
}
.pf-note p { color: var(--text); font-size: 15px; }
.pf-note a { color: var(--rust); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.pf-note-ic { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: rgba(160, 78, 18, .1); color: var(--rust); }
.pf-note-ic svg { width: 20px; height: 20px; }

/* Metrics band */
.pf-metrics .section-head { margin-bottom: 48px; }
.pf-metrics .metric { border-color: rgba(86, 61, 35, .2); }
main + .cta { padding-top: var(--section-y); }

/* ---------- Lightbox ---------- */
html.lb-open { overflow: hidden; }
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px;
  padding: 70px 24px 30px;
  background: rgba(18, 12, 7, .94);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; transition: opacity .25s ease;
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }
.lb-figure { margin: 0; min-width: 0; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; }
.lb-img {
  max-width: 100%; max-height: calc(100vh - 190px); width: auto; height: auto;
  border-radius: var(--radius-lg); object-fit: contain;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .7);
  transform: scale(.97); transition: transform .35s var(--ease);
}
.lightbox.is-open .lb-img { transform: none; }
.lb-cap { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; color: var(--white); text-align: center; }
.lb-cat { padding: 5px 12px; border-radius: 100px; background: var(--cream); color: var(--brown-deep); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.lb-title { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.lb-count { font-size: 14px; color: rgba(255, 255, 255, .6); }
.lb-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .1); color: var(--white);
  border: 1px solid rgba(255, 255, 255, .16);
  transition: background .3s, transform .35s var(--ease);
}
.lb-btn svg { width: 22px; height: 22px; }
.lb-btn:hover { background: var(--rust); }
.lb-btn:focus-visible { outline: 2px solid var(--cream); outline-offset: 3px; }
.lb-close { position: absolute; top: 16px; right: 16px; }
.lb-close:hover { transform: rotate(90deg); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .pf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 220px; }
  .featured-work .section-head--split .lead { max-width: none; }
}
@media (max-width: 640px) {
  .pf-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; gap: 16px; }
  .pf-tile--wide { grid-column: auto; }
  .pf-tile--tall { grid-row: span 1; }
  .pf-filters { flex-wrap: nowrap; overflow-x: auto; margin: 0 calc(var(--gutter) * -1) 28px; padding: 2px var(--gutter) 6px; scrollbar-width: none; }
  .pf-filters::-webkit-scrollbar { display: none; }
  .pf-chip { flex: none; padding: 10px 16px; font-size: 14px; }
  .pf-note { padding: 18px; }
  .lightbox { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr auto; padding: 70px 16px 24px; gap: 14px; }
  .lb-figure { grid-column: 1 / -1; grid-row: 1; }
  .lb-prev { grid-column: 1; grid-row: 2; justify-self: end; }
  .lb-next { grid-column: 2; grid-row: 2; justify-self: start; }
  .lb-img { max-height: calc(100vh - 240px); }
  .lb-title { font-size: 17px; }
}