/* ==========================================================================
   Fortune Group — Our Gallery: filterable albums in bento grids + lightbox
   ========================================================================== */
.gf-gal {
  --g-ink: #1b1f24;
  --g-soft: #5a636d;
  --g-line: rgba(27, 31, 36, 0.1);
  --g-mist: #f3f5f7;
  --g-red: #d90a0a;
  --g-grad: linear-gradient(100deg, #ff3b2f 0%, #d90a0a 45%, #7e0606 100%);
  --g-font: "Archivo", "Manrope", system-ui, sans-serif;
  --g-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  padding: clamp(60px, 7vw, 110px) 0 clamp(70px, 8vw, 120px);
  background: linear-gradient(180deg, #fff 0%, var(--g-mist) 100%);
}

/* header */
.gf-gal__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 34px; }
.gf-gal__eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px; font: 600 15px/1 var(--g-font); color: var(--g-red); }
.gf-gal__eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--g-grad); }
.gf-gal .gf-gal__h2 { margin: 0; max-width: 16ch; font: 800 clamp(32px, 3.8vw, 58px)/1.02 var(--g-font); font-variation-settings: "wdth" 112; letter-spacing: -0.03em; color: var(--g-ink); text-transform: none; }
.gf-gal__intro { margin: 0; max-width: 44ch; font-size: 16px; line-height: 1.7; color: var(--g-soft); }

/* filter chips (stick under the header while scrolling) */
.gf-gal__chips {
  position: sticky; top: 76px; z-index: 5;
  display: flex; flex-wrap: wrap; gap: 10px;
  margin: 0 0 clamp(36px, 4vw, 56px);
  padding: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--g-line);
  box-shadow: 0 18px 40px -30px rgba(27, 31, 36, 0.5);
  width: max-content; max-width: 100%;
}
.gf-gal__chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 42px; padding: 0 18px;
  border: 0; border-radius: 999px;
  background: transparent;
  font: 600 14px/1 var(--g-font); color: var(--g-ink);
  cursor: pointer; white-space: nowrap;
  transition: background 0.3s, color 0.3s;
}
.gf-gal__chip b { min-width: 22px; height: 22px; padding: 0 6px; display: grid; place-items: center; border-radius: 999px; background: var(--g-mist); font-size: 12px; color: var(--g-soft); transition: background 0.3s, color 0.3s; }
.gf-gal__chip:hover { background: var(--g-mist); }
.gf-gal__chip.is-active { background: var(--g-grad); color: #fff; box-shadow: 0 10px 22px -12px rgba(217, 10, 10, 0.8); }
.gf-gal__chip.is-active b { background: rgba(255, 255, 255, 0.22); color: #fff; }
.gf-gal__chip:focus-visible, .gf-gal__open:focus-visible, .gf-gal__tile:focus-visible, .gf-lb__btn:focus-visible { outline: 3px solid rgba(217, 10, 10, 0.4); outline-offset: 3px; }

/* album: info on the left (sticky), bento grid on the right */
.gf-gal__album {
  display: grid; grid-template-columns: 300px 1fr; gap: clamp(24px, 3.5vw, 56px);
  padding: clamp(30px, 4vw, 54px) 0;
  border-top: 1px solid var(--g-line);
  transition: opacity 0.45s ease, transform 0.55s var(--g-ease);
}
.gf-gal__album:first-of-type { border-top: 0; padding-top: 0; }
.gf-gal__album.is-hidden { display: none; }
.gf-gal__album.is-fading { opacity: 0; transform: translateY(16px); }
.gf-gal__info { position: sticky; top: 160px; align-self: start; }
.gf-gal__label { margin-bottom: 12px; font: 700 15px/1.3 var(--g-font); color: var(--g-red); }
.gf-gal .gf-gal__title { margin: 0 0 18px; font: 700 clamp(19px, 1.6vw, 23px)/1.35 var(--g-font); letter-spacing: -0.01em; color: var(--g-ink); text-transform: none; }
.gf-gal__meta { margin-bottom: 20px; font-size: 14px; color: var(--g-soft); }
.gf-gal__meta i { color: var(--g-red); margin-right: 4px; }
.gf-gal__open {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 22px;
  border: 1px solid rgba(27, 31, 36, 0.16); border-radius: 999px;
  background: #fff; cursor: pointer;
  font: 700 14px/1 var(--g-font); color: var(--g-ink);
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s var(--g-ease);
}
.gf-gal__open::after { content: ""; width: 20px; height: 2px; background: var(--g-grad); transition: width 0.3s var(--g-ease), background 0.3s; }
.gf-gal__open:hover { background: var(--g-grad); border-color: transparent; color: #fff; transform: translateY(-2px); }
.gf-gal__open:hover::after { background: #fff; width: 30px; }

/* bento grids by photo count */
.gf-gal__grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: clamp(140px, 13vw, 200px); gap: 14px; }
.gf-gal__grid > :first-child { grid-column: span 2; grid-row: span 2; }
.gf-gal__grid--4 > :nth-child(4) { grid-column: 1 / -1; }
.gf-gal__grid--2 { grid-template-columns: 1fr 1fr; grid-auto-rows: clamp(260px, 26vw, 400px); }
.gf-gal__grid--2 > :first-child { grid-column: auto; grid-row: auto; }

.gf-gal__tile {
  position: relative; display: block; overflow: hidden;
  border-radius: 16px;
  background: var(--g-mist);
  box-shadow: 0 20px 40px -30px rgba(27, 31, 36, 0.6);
  isolation: isolate;
  /* reveal when the album scrolls into view */
  opacity: 0; transform: translateY(18px) scale(0.97);
  transition: opacity 0.7s ease calc(var(--n) * 0.07s), transform 0.8s var(--g-ease) calc(var(--n) * 0.07s), box-shadow 0.4s;
}
.gf-gal__album.is-in .gf-gal__tile { opacity: 1; transform: none; }
.gf-gal__tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1.1s var(--g-ease), filter 0.5s; }
.gf-gal__tile::after { /* white frame that draws in on hover */
  content: ""; position: absolute; inset: 10px; z-index: 1;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  opacity: 0; transform: scale(1.04);
  transition: opacity 0.35s, transform 0.45s var(--g-ease);
  pointer-events: none;
}
.gf-gal__tile::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(27, 31, 36, 0) 50%, rgba(126, 6, 6, 0.55) 100%); opacity: 0; transition: opacity 0.4s; }
.gf-gal__zoom {
  position: absolute; right: 18px; bottom: 18px; z-index: 2;
  width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 50%; background: var(--g-grad); color: #fff;
  box-shadow: 0 10px 22px -8px rgba(217, 10, 10, 0.9);
  opacity: 0; transform: translateY(10px) scale(0.8);
  transition: opacity 0.35s, transform 0.4s var(--g-ease);
}
.gf-gal__tile:hover { box-shadow: 0 30px 50px -28px rgba(217, 10, 10, 0.55); }
.gf-gal__tile:hover img { transform: scale(1.07); }
.gf-gal__tile:hover::after, .gf-gal__tile:hover::before { opacity: 1; transform: none; }
.gf-gal__tile:hover .gf-gal__zoom { opacity: 1; transform: none; }

/* ------------------------------------------------------------ lightbox */
.gf-lb {
  position: fixed; inset: 0; z-index: 20000;
  display: grid; grid-template-columns: 80px 1fr 80px; grid-template-rows: 1fr auto; align-items: center;
  padding: 30px 20px 20px;
  background: rgba(13, 15, 18, 0.95);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; transition: opacity 0.3s ease;
}
.gf-lb[hidden] { display: none; }
.gf-lb.is-open { opacity: 1; }
.gf-lb__stage { grid-column: 2; margin: 0; display: flex; flex-direction: column; align-items: center; gap: 14px; min-height: 0; }
.gf-lb__img { max-width: 100%; max-height: calc(100vh - 220px); border-radius: 12px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8); transition: opacity 0.3s ease, transform 0.4s var(--g-ease); }
.gf-lb__img.is-swap { opacity: 0; transform: scale(0.97); }
.gf-lb__cap { display: flex; gap: 16px; align-items: center; font: 600 14px/1.3 var(--g-font); color: #fff; }
.gf-lb__count { padding: 5px 10px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); font-variant-numeric: tabular-nums; }
.gf-lb__btn {
  width: 54px; height: 54px; display: grid; place-items: center; justify-self: center;
  border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 50%;
  background: rgba(255, 255, 255, 0.06); color: #fff; font-size: 18px; cursor: pointer;
  transition: background 0.3s, border-color 0.3s, transform 0.3s var(--g-ease);
}
.gf-lb__btn:hover { background: var(--g-grad); border-color: transparent; transform: scale(1.06); }
.gf-lb__close { position: absolute; top: 18px; right: 18px; }
.gf-lb__prev { grid-column: 1; grid-row: 1; }
.gf-lb__next { grid-column: 3; grid-row: 1; }
.gf-lb__thumbs { grid-column: 1 / -1; display: flex; justify-content: center; gap: 8px; padding-top: 16px; overflow-x: auto; }
.gf-lb__thumbs button { flex: none; width: 64px; height: 46px; padding: 0; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: none; cursor: pointer; opacity: 0.45; transition: opacity 0.3s, border-color 0.3s; }
.gf-lb__thumbs button img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gf-lb__thumbs button.is-active, .gf-lb__thumbs button:hover { opacity: 1; border-color: #ff3b2f; }
body.gf-lb-open { overflow: hidden; }

/* responsive */
@media (max-width: 991px) {
  .gf-gal__head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .gf-gal__album { grid-template-columns: 1fr; }
  .gf-gal__info { position: static; }
  .gf-gal__chips { top: 72px; border-radius: 18px; flex-wrap: nowrap; overflow-x: auto; width: 100%; }
}
@media (max-width: 600px) {
  .gf-gal__grid, .gf-gal__grid--2 { grid-template-columns: 1fr 1fr; grid-auto-rows: 130px; gap: 10px; }
  .gf-gal__grid--2 { grid-auto-rows: 200px; }
  .gf-gal__grid > :first-child { grid-column: 1 / -1; grid-row: span 2; }
  .gf-gal__grid--4 > :nth-child(4) { grid-column: auto; }
  .gf-gal__grid--4 > :nth-child(4), .gf-gal__grid--3 > :nth-child(3) { grid-column: 1 / -1; }
  .gf-lb { grid-template-columns: 1fr; padding: 60px 12px 16px; }
  .gf-lb__prev, .gf-lb__next { position: absolute; top: 50%; width: 44px; height: 44px; }
  .gf-lb__prev { left: 10px; } .gf-lb__next { right: 10px; }
  .gf-lb__stage { grid-column: 1; }
  .gf-lb__thumbs { display: none; }
}
@media (prefers-reduced-motion: reduce) { .gf-gal__tile { opacity: 1; transform: none; transition: none; } }