/* =========================================================================
   BBRU — Galeri sayfası (çerçeveler + ızgara + lightbox)
   Tasarım: Enfessoft Bilişim Teknolojileri — https://enfessoft.com/
   ========================================================================= */

/* ---------- Ortak çerçeve (frame) ---------- */
.frame {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
  cursor: zoom-in;
  transition: transform 0.55s var(--ease), box-shadow 0.55s var(--ease), border-color 0.4s;
}
.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.75s var(--ease);
  display: block;
}
/* İnce altın iç çerçeve */
.frame::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid rgba(201, 162, 75, 0.32);
  border-radius: calc(var(--radius) - 9px);
  pointer-events: none;
  z-index: 3;
  transition: inset 0.45s var(--ease), border-color 0.4s;
}
.frame:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2), var(--glow-gold);
  border-color: rgba(201, 162, 75, 0.45);
}
.frame:hover img { transform: scale(1.06); }
.frame:hover::after { inset: 8px; border-color: var(--gold); }
.frame:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Büyüteç ikonu (sağ üst) */
.frame__zoom {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 4;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(10, 10, 13, 0.55);
  border: 1px solid rgba(201, 162, 75, 0.4);
  color: var(--gold-2);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(-6px) scale(0.9);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.frame__zoom svg { width: 20px; height: 20px; }
.frame:hover .frame__zoom { opacity: 1; transform: translateY(0) scale(1); }

/* Alt başlık şeridi */
.frame__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  display: flex; flex-direction: column; gap: 2px;
  padding: 44px 20px 18px;
  background: linear-gradient(180deg, transparent, rgba(6, 6, 8, 0.55) 40%, rgba(6, 6, 8, 0.92));
  transform: translateY(8px);
  opacity: 0.92;
  transition: transform 0.45s var(--ease), opacity 0.4s;
}
.frame__cap strong {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: #fff;
}
.frame__cap span {
  font-size: 0.82rem;
  color: var(--gold-2);
  letter-spacing: 0.02em;
}
.frame:hover .frame__cap { transform: translateY(0); opacity: 1; }

/* ---------- Kurucu: 2 fotoğraf yan yana ---------- */
.founder-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 26px;
  align-items: stretch;
}
.founder-grid .frame { height: clamp(360px, 46vw, 560px); }

/* ---------- Ofis ızgarası: 3 × 2 ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.gallery-grid .frame { aspect-ratio: 4 / 3; }

/* ---------- Sahadan: 2 geniş kare (16:9) ---------- */
.ops-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.ops-grid .frame { aspect-ratio: 16 / 9; }
@media (max-width: 700px) {
  .ops-grid { grid-template-columns: 1fr; }
}

/* ---------- Duyarlı (responsive) ---------- */
@media (max-width: 900px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .founder-grid { grid-template-columns: 1fr; gap: 20px; }
  .founder-grid .frame { height: auto; aspect-ratio: 4 / 3; }
  .founder-grid .frame--portrait { aspect-ratio: 4 / 5; }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; gap: 18px; }
  .frame__cap { transform: translateY(0); opacity: 1; }
  .frame__zoom { opacity: 1; transform: none; }
}

/* =========================================================================
   LIGHTBOX (büyütme + gezinme)
   ========================================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(14px, 4vw, 56px);
  background: rgba(6, 6, 8, 0.93);
  backdrop-filter: blur(10px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.lightbox.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
.lightbox__stage {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: min(1120px, 94vw);
  max-height: 90vh;
}
.lightbox__img {
  max-width: 100%;
  max-height: 78vh;
  width: auto; height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(201, 162, 75, 0.35);
  box-shadow: var(--shadow-2), 0 0 60px rgba(201, 162, 75, 0.12);
  background: var(--bg-2);
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}
.lightbox__img.loaded { opacity: 1; transform: scale(1); }
.lightbox__cap {
  text-align: center;
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  max-width: 60ch;
}
.lightbox__count {
  position: absolute;
  top: clamp(16px, 3.4vw, 30px);
  left: 50%;
  transform: translateX(-50%);
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
}

/* Kontrol butonları */
.lightbox__btn {
  position: absolute;
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(20, 20, 25, 0.7);
  border: 1px solid var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(6px);
  transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s, color 0.3s;
}
.lightbox__btn svg { width: 24px; height: 24px; }
.lightbox__btn:hover {
  background: var(--grad-gold);
  border-color: transparent;
  color: #1a1206;
  transform: scale(1.08);
}
.lightbox__close { top: clamp(14px, 3vw, 26px); right: clamp(14px, 3vw, 26px); }
.lightbox__prev { left: clamp(10px, 2.5vw, 34px); top: 50%; transform: translateY(-50%); }
.lightbox__next { right: clamp(10px, 2.5vw, 34px); top: 50%; transform: translateY(-50%); }
.lightbox__prev:hover { transform: translateY(-50%) scale(1.08); }
.lightbox__next:hover { transform: translateY(-50%) scale(1.08); }

@media (max-width: 560px) {
  .lightbox__btn { width: 46px; height: 46px; }
  .lightbox__prev { left: 8px; }
  .lightbox__next { right: 8px; }
  .lightbox__img { max-height: 70vh; }
}

/* Scroll kilidi */
body.lb-lock { overflow: hidden; }