/* ============================================================
   Ponderosa Pixels — Portfolio page styles
   Filter tabs · asymmetric grid · lightbox · video modal
   (Social tiles are shared and live in site.css)
   ============================================================ */

/* ------------------------------------------------------------
   Filter tabs
   ------------------------------------------------------------ */
.filters {
  background: var(--bg-primary);
  padding: clamp(40px, 5vw, 64px) 0 0;
}
.filters__row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(4px, 1vw, 14px);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: clamp(28px, 4vw, 40px);
}
.filter-btn {
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--fg-secondary);
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  position: relative;
  transition: color 240ms var(--ease-cinematic),
              background-color 240ms var(--ease-cinematic);
}
.filter-btn:hover { color: var(--color-canyon); }
.filter-btn[aria-pressed="true"] {
  color: var(--color-stone);
  background: var(--color-pine);
}

/* ------------------------------------------------------------
   Asymmetric grid
   ------------------------------------------------------------ */
.portfolio {
  background: var(--bg-primary);
  padding: clamp(40px, 5vw, 64px) 0 clamp(96px, 12vw, 160px);
}
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 12vw;
  grid-auto-flow: dense;
  gap: 14px;
}

/* Tile defaults */
.pg-tile {
  position: relative;
  overflow: hidden;
  background: var(--color-sand);
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 320ms var(--ease-cinematic),
              transform 320ms var(--ease-cinematic);
}
.pg-tile.is-hidden { display: none; }
.pg-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-cinematic);
}
.pg-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(17, 19, 19, 0.55) 100%);
  opacity: 0;
  transition: opacity 320ms var(--ease-cinematic);
  pointer-events: none;
}
.pg-tile:hover img { transform: scale(1.05); }
.pg-tile:hover::after { opacity: 1; }

.pg-tile figcaption {
  position: absolute;
  left: 20px; bottom: 18px; right: 20px;
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-stone);
  z-index: 2;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 360ms var(--ease-cinematic), transform 360ms var(--ease-cinematic);
}
.pg-tile:hover figcaption { opacity: 1; transform: translateY(0); }

/* Tile sizes — asymmetric editorial grid (desktop) */
.pg-1  { grid-column: span 7; grid-row: span 3; }  /* feature */
.pg-2  { grid-column: span 5; grid-row: span 2; }
.pg-3  { grid-column: span 5; grid-row: span 1; }  /* wide-short */
.pg-4  { grid-column: span 4; grid-row: span 2; }
.pg-5  { grid-column: span 4; grid-row: span 2; }
.pg-6  { grid-column: span 4; grid-row: span 2; }
.pg-7,  .pg-8,  .pg-9,
.pg-10, .pg-11, .pg-12,
.pg-13, .pg-14, .pg-15,
.pg-16, .pg-17, .pg-18,
.pg-19 { grid-column: span 4; grid-row: span 2; }
.pg-10 { grid-column: span 8; grid-row: span 3; }  /* mid-grid feature */

@media (max-width: 1024px) {
  .portfolio__grid { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 18vw; }
  .pg-1 { grid-column: span 6; grid-row: span 2; }
  .pg-2, .pg-3 { grid-column: span 6; grid-row: span 2; }
  .pg-4, .pg-5, .pg-6,
  .pg-7, .pg-8, .pg-9,
  .pg-11, .pg-12, .pg-13, .pg-14, .pg-15, .pg-16, .pg-17, .pg-18, .pg-19 {
    grid-column: span 3; grid-row: span 2;
  }
  .pg-10 { grid-column: span 6; grid-row: span 2; }  /* feature spans full row on tablet */
}

@media (max-width: 600px) {
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 36vw; gap: 10px; }
  .pg-1, .pg-10 { grid-column: span 2; grid-row: span 2; }
  .pg-2, .pg-3, .pg-4, .pg-5, .pg-6,
  .pg-7, .pg-8, .pg-9,
  .pg-11, .pg-12, .pg-13, .pg-14, .pg-15, .pg-16, .pg-17, .pg-18, .pg-19 {
    grid-column: span 1; grid-row: span 1;
  }
}

/* ------------------------------------------------------------
   Lightbox (photo viewer)
   ------------------------------------------------------------ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(17, 19, 19, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms var(--ease-cinematic);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 4vw, 64px);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.lightbox__figure {
  margin: 0;
  max-width: min(1600px, 90vw);
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.lightbox__img {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.lightbox__caption {
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-sage);
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: rgba(245, 241, 234, 0.08);
  border: 1px solid rgba(245, 241, 234, 0.2);
  color: var(--color-stone);
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  line-height: 1;
  transition: background-color 240ms var(--ease-cinematic),
              border-color 240ms var(--ease-cinematic),
              transform 240ms var(--ease-cinematic);
}
.lightbox__close:hover,
.lightbox__nav:hover {
  background: rgba(190, 107, 75, 0.4);
  border-color: rgba(190, 107, 75, 0.7);
}
.lightbox__close { top: clamp(20px, 3vw, 32px); right: clamp(20px, 3vw, 32px); font-size: 28px; }
.lightbox__nav--prev { left: clamp(16px, 3vw, 32px); top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: clamp(16px, 3vw, 32px); top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev:hover { transform: translateY(-50%) scale(1.08); }
.lightbox__nav--next:hover { transform: translateY(-50%) scale(1.08); }

@media (max-width: 600px) {
  .lightbox__nav { width: 40px; height: 40px; font-size: 18px; }
  .lightbox__close { width: 40px; height: 40px; font-size: 22px; }
}