/* ============================================
   GALERI.CSS — Galeri Sayfası
   v3 — Premium Edition
   ============================================ */

/* ---- HERO ---- */
.hero {
  position: relative;
  background: var(--bg);
  padding: 80px 28px 68px;
  text-align: center;
  overflow: hidden;
}

/* Animasyonlu grid arka plan */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,168,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,168,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  animation: gridSlide 25s linear infinite;
}
@keyframes gridSlide {
  0%   { background-position: 0 0; }
  100% { background-position: 48px 48px; }
}

/* Mavi glow ortada */
.hero::after {
  content: '';
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0,168,255,0.1) 0%, rgba(0,229,255,0.03) 40%, transparent 70%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50%      { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

/* Parçacık container */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--blue);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(100%) scale(0); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1); }
}

/* Hero giriş animasyonları */
.hero-eyebrow { animation: fadeUp 0.6s 0.1s cubic-bezier(0.22,1,0.36,1) both; }
.hero h1      { animation: fadeUp 0.6s 0.22s cubic-bezier(0.22,1,0.36,1) both; }
.hero p       { animation: fadeUp 0.6s 0.34s cubic-bezier(0.22,1,0.36,1) both; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-glow);
  border: 1px solid var(--border-active);
  border-radius: 24px;
  padding: 6px 16px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero-eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--blue), 0 0 16px rgba(0,168,255,0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(30px, 5.5vw, 56px);
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero p {
  font-size: 16px;
  color: var(--gray);
  font-weight: 300;
  line-height: 1.7;
  max-width: 460px;
  margin: 0 auto;
}

/* ---- FİLTRE BARI ---- */
.filter-bar {
  background: rgba(13,17,23,0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  position: sticky;
  top: 64px;
  z-index: 100;
  animation: fadeUp 0.5s 0.4s cubic-bezier(0.22,1,0.36,1) both;
}

.filter-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-dim);
  font-weight: 500;
  margin-right: 4px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--gray-dim);
  color: var(--gray);
  padding: 6px 16px;
  border-radius: 24px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.22s cubic-bezier(0.22,1,0.36,1);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.22s;
  border-radius: 24px;
}

.filter-btn:hover {
  border-color: var(--blue-dim);
  color: var(--white);
  background: var(--blue-glow);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--gradient-accent);
  border-color: transparent;
  color: #000;
  font-weight: 600;
  box-shadow: 0 2px 16px rgba(0,168,255,0.25);
  transform: translateY(-1px);
}

/* Filtre badge (eser sayısı) */
.filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  font-size: 10px;
  font-weight: 700;
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  padding: 0 5px;
  margin-left: 6px;
}

.filter-btn.active .filter-count {
  background: rgba(0,0,0,0.25);
}

/* ---- GALERİ ALANI ---- */
.gallery-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 44px 28px 72px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 22px;
}

/* ---- KART — GLASSMORPHISM ---- */
.artwork-card {
  background: rgba(13, 17, 23, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  position: relative;

  /* Giriş animasyonu */
  opacity: 0;
  transform: translateY(28px) scale(0.97);
  transition:
    opacity 0.45s cubic-bezier(0.22,1,0.36,1),
    transform 0.45s cubic-bezier(0.22,1,0.36,1),
    box-shadow 0.35s cubic-bezier(0.22,1,0.36,1),
    border-color 0.22s ease;
}

/* Glassmorphism kart iç glow */
.artwork-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, rgba(0,168,255,0.04) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s;
}

.artwork-card:hover::before { opacity: 1; }

.artwork-card.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.artwork-card.visible:hover {
  transform: translateY(-10px) scale(1.015);
  border-color: var(--border-active);
  box-shadow:
    0 24px 64px rgba(0,0,0,0.5),
    0 0 0 1px var(--border-active),
    0 0 48px rgba(0,168,255,0.1);
}

.artwork-card:hover .card-overlay { opacity: 1; }
.artwork-card:hover .card-img img { transform: scale(1.08); }
.artwork-card:hover .qr-badge { transform: rotate(6deg) scale(1.08); }

/* Resim alanı */
.card-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #0a0f14;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.22,1,0.36,1);
}

/* Hover overlay — gelişmiş */
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,168,255,0.2) 0%, rgba(8,12,16,0.65) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.28s ease, backdrop-filter 0.28s ease;
  backdrop-filter: blur(0px);
}

.artwork-card:hover .card-overlay {
  backdrop-filter: blur(3px);
}

.card-overlay span {
  background: var(--gradient-accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 8px;
  font-family: 'Syne', sans-serif;
  box-shadow: 0 4px 20px rgba(0,168,255,0.3);
  transform: translateY(8px);
  transition: transform 0.3s cubic-bezier(0.22,1,0.36,1);
}

.artwork-card:hover .card-overlay span {
  transform: translateY(0);
}

/* QR rozet */
.qr-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(8,12,16,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-active);
  border-radius: 8px;
  padding: 6px;
  z-index: 2;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1);
}

.qr-badge svg { display: block; width: 26px; height: 26px; }

/* Üst renk şeridi — animated gradient */
.card-stripe {
  height: 2px;
  background: linear-gradient(90deg, var(--blue-dim), var(--blue), var(--cyan), var(--blue-dim));
  background-size: 300% 100%;
  animation: stripeShine 4s ease infinite;
}
@keyframes stripeShine {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Kart bilgi alanı */
.card-body { padding: 18px 20px 22px; }

.card-period {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  margin-bottom: 4px;
  color: var(--white);
  transition: color 0.2s;
}

.artwork-card:hover .card-title { color: var(--blue); }

.card-artist {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 14px;
}

.card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  font-size: 10px;
  letter-spacing: 0.3px;
  color: var(--gray);
  background: rgba(0,168,255,0.05);
  border: 1px solid rgba(0,168,255,0.12);
  padding: 3px 10px;
  border-radius: 6px;
  transition: all 0.18s;
}

.artwork-card:hover .tag {
  border-color: var(--border-active);
  color: var(--blue);
}

/* ---- MOBİL ---- */
@media (max-width: 600px) {
  .hero { padding: 52px 20px 44px; }
  .filter-bar { padding: 14px 20px; top: 56px; }
  .gallery-section { padding: 28px 16px 48px; }
  .gallery-grid { grid-template-columns: 1fr; gap: 16px; }
  .filter-label { display: none; }
  .hero h1 { font-size: clamp(26px, 7vw, 40px); }
}