/* ═══════════════════════════════════════════════════════
   PORTFOLIO PAGE STYLES
   Ana sitenin tasarım diliyle uyumlu, ayrı sayfa stili.
   ═══════════════════════════════════════════════════════ */

/* ─── HERO BANNER ────────────────── */
.portfolio-hero {
  padding: 160px 0 60px;
  position: relative;
}

.portfolio-hero-content {
  max-width: 700px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 30px;
  transition: all 0.3s var(--ease);
}

.back-link:hover {
  color: var(--purple);
  transform: translateX(-5px);
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.portfolio-title .accent {
  color: var(--purple2);
}

.portfolio-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 40px;
}

/* ─── FİLTRE BUTONLARI ────────────────── */
.portfolio-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.35s var(--ease);
}

.filter-btn:hover {
  border-color: var(--purple);
  color: var(--purple);
}

.filter-btn.active {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
  box-shadow: 0 4px 20px hsla(255, 100%, 65%, 0.3);
}

/* ─── GALERİ GRID ────────────────── */
.portfolio-gallery {
  padding: 40px 0 120px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ─── PORTFOLYO KARTI ────────────────── */
.portfolio-item {
  transition: all 0.5s var(--ease);
}

.portfolio-item.hidden {
  opacity: 0;
  transform: scale(0.85);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.portfolio-card {
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border2);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.portfolio-card:hover {
  border-color: var(--purple);
  transform: translateY(-12px);
  box-shadow: var(--card-shadow), 0 0 40px var(--glow-primary);
}

/* Görsel Alanı */
.portfolio-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg2);
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.08);
}

/* Hover Overlay */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: hsla(255, 50%, 10%, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: all 0.4s var(--ease);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.overlay-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: hsla(255, 100%, 65%, 0.2);
  border: 1px solid hsla(255, 100%, 65%, 0.4);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.3s var(--ease);
  transform: translateY(20px);
  opacity: 0;
}

.portfolio-card:hover .overlay-btn {
  transform: translateY(0);
  opacity: 1;
}

.portfolio-card:hover .overlay-btn:nth-child(2) {
  transition-delay: 0.08s;
}

.overlay-btn:hover {
  background: var(--purple);
  border-color: var(--purple);
  transform: scale(1.15) !important;
  box-shadow: 0 0 25px var(--glow-primary);
}

/* Bilgi Alanı */
.portfolio-info {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.portfolio-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.portfolio-category {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--purple2);
  background: var(--tag-bg);
  border: 1px solid var(--tag-border);
  padding: 4px 12px;
  border-radius: 50px;
}

/* ─── LIGHTBOX MODAL ────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: hsla(240, 30%, 3%, 0.92);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
  cursor: zoom-out;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.5s var(--ease);
  cursor: default;
}

.lightbox.active .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: hsla(255, 100%, 65%, 0.15);
  border: 1px solid hsla(255, 100%, 65%, 0.3);
  color: #fff;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.lightbox-close:hover {
  background: var(--purple);
  transform: rotate(90deg);
}

/* ─── FOOTER ────────────────── */
.portfolio-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
}

.portfolio-footer .footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

.portfolio-footer .back-to-top {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1rem;
  transition: all 0.3s var(--ease);
}

.portfolio-footer .back-to-top:hover {
  background: var(--purple);
  color: #fff;
  border-color: var(--purple);
  transform: translateY(-3px);
}

/* ─── BOŞ DURUM ────────────────── */
.portfolio-empty {
  text-align: center;
  padding: 80px 20px;
  grid-column: 1 / -1;
}

.portfolio-empty i {
  font-size: 3rem;
  color: var(--muted2);
  margin-bottom: 20px;
  display: block;
}

.portfolio-empty p {
  font-size: 1.1rem;
  color: var(--muted);
  font-weight: 500;
}

/* ─── RESPONSIVE ────────────────── */
@media (max-width: 992px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .portfolio-title {
    font-size: 2.4rem;
  }
}

@media (max-width: 640px) {
  .portfolio-hero {
    padding: 130px 0 40px;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .portfolio-title {
    font-size: 2rem;
  }
  
  .portfolio-subtitle {
    font-size: 0.95rem;
  }
  
  .filter-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
  }

  .lightbox-img {
    max-width: 95vw;
    border-radius: 10px;
  }
}