/* ==========================================================================
   Bileşenler (Components)
   ========================================================================== */

/* --- Bento Grid --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  grid-auto-rows: minmax(180px, auto);
}

.bento-item {
  background-color: var(--bg-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.bento-item.bg-accent {
  background-color: var(--accent-color);
  color: #fff;
}

/* Span Yardımcıları */
.span-2-col { grid-column: span 2; }
.span-3-col { grid-column: span 3; }
.span-2-row { grid-row: span 2; }

@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .span-2-col, .span-3-col, .span-2-row {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* --- Sekme (Tab) Bar Sistemi --- */
.tab-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-2xs);
}

.tab-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  position: relative;
  transition: color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--text-main);
  font-weight: 500;
}

/* Aktif Sekme Alt Çizgisi */
.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: calc(var(--space-2xs) * -1); /* Border bottom'a denk gelmesi için */
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
}

/* Sekme İçerikleri */
.tab-pane {
  display: none; /* JS ile block/flex yapılacak */
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.tab-pane.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* --- Yazı (Article) Modu --- */
.article-item {
  transition: transform var(--transition-fast);
}
.article-item:hover {
  transform: translateX(8px);
}

/* --- Video Sinematik Grid --- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl); /* Kartlar arasına bol lüks boşluk */
}

.video-card {
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
}

.video-thumbnail {
  transition: filter var(--transition-slow), transform var(--transition-slow);
  filter: grayscale(100%); /* Başlangıçta asil bir Siyah&Beyaz */
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16/9;
  background-color: var(--border-color); /* Yüklenme esnasında yer tutucu renk */
  background-size: cover;
  background-position: center;
}

.video-card:hover .video-thumbnail {
  filter: grayscale(0%); /* Hover'da canlı renkler fışkırır */
  transform: scale(1.02); /* Çok hafif öne büyüme */
  box-shadow: var(--shadow-lg);
}

/* Şık Oynat Butonu Overlay */
.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 64px;
  height: 64px;
  background: rgba(20, 20, 20, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow), background var(--transition-fast);
}

/* Ok (Play) İkonu Çizimi */
.video-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px; /* Oku tam merkeze oturtmak için */
}

.video-card:hover .video-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1); /* Pürüzsüzce belirip büyür */
}

.video-play-btn:hover {
  background: rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* --- Lightbox (Sinematik Modal) --- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(10, 10, 10, 0.95); /* Çok koyu antrasit (Premium karanlık) */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0; /* JS ile active eklendiğinde 1 olacak */
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 40px;
  font-size: 48px;
  font-weight: 300;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), color var(--transition-fast);
  z-index: 100001;
}

.lightbox-close:hover {
  transform: scale(1.1);
  color: #ccc;
}

.lightbox-content {
  width: 90%;
  max-width: 1100px; /* Sinema ekranı genişliği */
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 40px 60px -15px rgba(0, 0, 0, 0.7);
  background-color: #000; /* Video yüklenirken kenarlar siyah kalsın */
  transform: scale(0.95);
  transition: transform var(--transition-slow);
}

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

/* --- İletişim & Hakkımda Modal Özel Görünümü (Glassmorphism Pano) --- */
#contact-modal.lightbox,
#about-modal.lightbox {
  background-color: rgba(249, 247, 242, 0.5); /* Ana Fildişi renginin %50 transparan hali */
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

body.dark-mode #contact-modal.lightbox,
body.dark-mode #about-modal.lightbox {
  background-color: rgba(26, 26, 26, 0.6); /* Antrasit temanın karanlık camı */
}

/* Modal arkası açık/koyu olacağı için sağ üstteki X ikonunun uygun renk alması */
#contact-modal .lightbox-close,
#about-modal .lightbox-close {
  color: var(--text-main); /* Gündüz modunda buton siyah */
}

body.dark-mode #contact-modal .lightbox-close,
body.dark-mode #about-modal .lightbox-close {
  color: var(--text-light); /* Karanlık modda buton fildişi */
}

/* Hover durumları */
#contact-modal .lightbox-close:hover,
#about-modal .lightbox-close:hover {
  color: var(--accent-color);
}

.iframe-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio koruması */
}

.iframe-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Masonry (Editoryal) Galeri --- */
/* CSS Columns ile asimetrik dizilim */
.masonry-grid {
  column-count: 2;
  column-gap: var(--space-md);
}

.masonry-item {
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  break-inside: avoid;
  transform: rotate(var(--rot, 0deg)) scale(1);
  transition: transform var(--transition-base), filter var(--transition-base);
  filter: grayscale(20%);
}

.masonry-item:hover {
  transform: rotate(var(--rot, 0deg)) scale(1.03);
  filter: grayscale(0%);
  z-index: 10;
  position: relative;
}

@media (max-width: 768px) {
  .masonry-grid {
    column-count: 1;
  }
}