/* ==========================================================================
   BILAL AĞRALI — ÇAĞDAŞ SANAT ATÖLYESİ & GALERİSİ
   İlham: Van Gogh Museum (Amsterdam) Estetiği
   Yüksek Sanat, Tipografik Şıklık, Akdeniz Melankolisi
   ========================================================================== */

:root {
  /* Renk Paleti - Van Gogh Museum & Bilal Ağralı Paleti */
  --bg-primary: #0A0F14;        /* Gece derinliği, galeri siyahı */
  --bg-secondary: #101720;      /* Salon paneli */
  --bg-card: #151F2B;           /* Eser kart arka planı */
  --bg-card-hover: #1A2736;
  --bg-light: #F8F6F0;          /* Müze tuval fildişisi */
  
  /* Sanat Vurgu Renkleri */
  --accent-rust: #D0693B;       /* Tekne pası & gün batımı aşı boyası */
  --accent-rust-glow: rgba(208, 105, 59, 0.25);
  --accent-gold: #C9A86A;       /* Sergi pirinci & çerçeve altını */
  --accent-teal: #1F7A8C;       /* Akdeniz derin su mavisi */
  
  /* Metin Renkleri */
  --text-main: #F4F2EC;
  --text-muted: #A3ADB8;
  --text-dim: #6E7B88;
  
  /* Kenarlık & Gölge */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(201, 168, 106, 0.35);
  --shadow-artwork: 0 25px 60px rgba(0, 0, 0, 0.65);
  --shadow-floating: 0 35px 80px rgba(0, 0, 0, 0.85);

  /* Tipografi */
  --font-serif: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --font-display: 'Cinzel', 'Playfair Display', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --header-height: 80px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   KUSURSUZ MOUSE TEKERLEĞİ KAYDIRMA (Native Smooth CSS Scroll Snap)
   Kullanıcının Talimatı: "mouse topunu her aşağı çevirdiğim de farklı bir eser gelsin"
   ========================================================================== */
body.slideshow-mode {
  height: 100vh;
  overflow-y: scroll;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* İnce ve Şık Kaydırma Çubuğu */
body.slideshow-mode::-webkit-scrollbar {
  width: 6px;
}
body.slideshow-mode::-webkit-scrollbar-track {
  background: #0A0F14;
}
body.slideshow-mode::-webkit-scrollbar-thumb {
  background: rgba(201, 168, 106, 0.3);
  border-radius: 3px;
}
body.slideshow-mode::-webkit-scrollbar-thumb:hover {
  background: var(--accent-rust);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button, input, textarea, select {
  font-family: inherit;
}

.container {
  width: 90%;
  max-width: 1360px;
  margin: 0 auto;
}

/* ==========================================================================
   ÜST BİLGİ & NAVİGASYON (Header)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(10, 15, 20, 0.90);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.18em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-main);
}

.brand-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-rust);
  transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  border-radius: 2px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  background: transparent;
}

.nav-cta-btn:hover {
  background: var(--accent-gold);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(201, 168, 106, 0.4);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
}

/* ==========================================================================
   TAM EKRAN SLIDE YAPISI
   Her slide tam 100vh boyutundadır ve scroll-snap-stop: always ile kilitlenir
   ========================================================================== */
.presentation-slide {
  width: 100%;
  height: 100vh;
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always; /* Mouse tekerleğini her çevirdiğinizde tam 1 eserde durur! */
  position: relative;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  box-sizing: border-box;
  background: radial-gradient(circle at 15% 25%, rgba(15, 56, 71, 0.25) 0%, transparent 50%),
              radial-gradient(circle at 85% 70%, rgba(208, 105, 59, 0.15) 0%, transparent 55%),
              var(--bg-primary);
}

.slide-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4.5rem;
  align-items: center;
  height: calc(100vh - var(--header-height) - 3rem);
  max-height: 820px;
}

/* Eser Görsel Paneli */
.slide-visual-col {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.museum-canvas-frame {
  position: relative;
  width: 100%;
  max-width: 580px;
  max-height: 580px;
  aspect-ratio: 1 / 1;
  background: #0E1620;
  border-radius: 4px;
  padding: 1.2rem;
  box-shadow: var(--shadow-floating);
  border: 1px solid var(--border-gold);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.museum-canvas-frame:hover {
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.95), 0 0 30px rgba(208, 105, 59, 0.25);
  border-color: #dfbe90;
}

.artwork-display-window {
  position: relative;
  width: 100%;
  height: 100%;
  background: #070D12;
  border: 6px solid #141E28;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.9);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ÇOK ÖNEMLİ: Iframe'in mouse tekerleği olaylarını yutmasını engeller! */
.pdf-page-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
  display: block;
  pointer-events: none; /* Mouse ile kaydırırken tekerlek kilitlenmez! */
}

.frame-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.8rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.source-badge {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.btn-open-pdf-page {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-rust);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.btn-open-pdf-page:hover {
  color: #E27B49;
  text-decoration: underline;
}

/* Eser Bilgi & Küratöryel Anlatım Paneli */
.slide-info-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 620px;
}

.slide-number-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.large-index {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  font-weight: 700;
  color: var(--accent-rust);
  opacity: 0.85;
}

.slide-badge-meta {
  display: flex;
  flex-direction: column;
}

.slide-series-name {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
  font-weight: 600;
}

.slide-artwork-year {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.slide-artwork-title {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  line-height: 1.1;
  color: var(--text-main);
  margin-bottom: 0.8rem;
}

.slide-artwork-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--accent-rust);
  margin-bottom: 1.4rem;
}

.slide-artwork-desc {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
}

.slide-artwork-desc p {
  margin-bottom: 0.8rem;
}

.slide-specs-row {
  display: flex;
  gap: 2.2rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.slide-spec-unit {
  display: flex;
  flex-direction: column;
}

.slide-spec-label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.slide-spec-val {
  font-size: 0.96rem;
  color: var(--text-main);
  font-weight: 600;
}

.slide-actions {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   ÖZEL SLIDE 0: HERO / GİRİŞ
   ========================================================================== */
.hero-slide-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-main-title {
  font-family: var(--font-serif);
  font-size: 4.2rem;
  line-height: 1.12;
  color: var(--text-main);
  margin-bottom: 1.6rem;
  letter-spacing: -0.01em;
}

.hero-main-title em {
  font-style: italic;
  color: var(--accent-gold);
}

.hero-main-desc {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 740px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.mouse-scroll-guide {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 40px;
  color: var(--accent-gold);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 1.5rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mouse-scroll-guide:hover {
  background: rgba(201, 168, 106, 0.12);
  border-color: var(--accent-gold);
}

.mouse-icon {
  width: 22px;
  height: 36px;
  border: 2px solid var(--accent-gold);
  border-radius: 12px;
  position: relative;
}

.mouse-wheel {
  width: 4px;
  height: 8px;
  background: var(--accent-rust);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: mouseWheelMove 1.6s infinite ease;
}

@keyframes mouseWheelMove {
  0% { top: 6px; opacity: 1; }
  100% { top: 20px; opacity: 0; }
}

/* ==========================================================================
   ÖZEL SLIDE 5: EN ALTTTAKİ İLETİŞİM & SOSYAL MEDYA KÖPRÜSÜ
   Kullanıcı: "biri agralibilal kişisel hesap diğeri işlerin olduğu debisanat"
   ========================================================================== */
.contact-slide-card {
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 3.2rem 3rem;
  background: rgba(18, 26, 36, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  box-shadow: var(--shadow-floating);
  text-align: center;
}

.contact-channels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin: 2.2rem 0 2.5rem 0;
  text-align: left;
}

.slide-channel-box {
  display: flex;
  align-items: center;
  padding: 1.1rem 1.2rem;
  background: #0E1620;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.slide-channel-box:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
  background: #141F2B;
}

.slide-channel-box.wp-box {
  border-left: 4px solid #25D366;
}

.slide-channel-box.insta-art-box {
  border-left: 4px solid #E1306C;
}

.slide-channel-box.insta-personal-box {
  border-left: 4px solid #833AB4;
}

.slide-channel-box.phone-box {
  border-left: 4px solid var(--accent-teal);
}

.slide-channel-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 0.9rem;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
}

.slide-channel-icon svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   SAĞ KENAR DİKEY SLIDE GÖSTERGESİ (Pagination)
   ========================================================================== */
.slide-pagination-dots {
  position: fixed;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  z-index: 100;
}

.pagination-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.pagination-number {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  transition: var(--transition-smooth);
}

.pagination-line {
  width: 20px;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
  transition: var(--transition-smooth);
}

.pagination-tooltip {
  position: absolute;
  right: 40px;
  background: rgba(10, 15, 20, 0.9);
  padding: 0.35rem 0.8rem;
  border-radius: 2px;
  border: 1px solid var(--border-gold);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: var(--transition-smooth);
}

.pagination-item:hover .pagination-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.pagination-item.active .pagination-number {
  color: var(--accent-rust);
  font-weight: 700;
  transform: scale(1.15);
}

.pagination-item.active .pagination-line {
  width: 38px;
  background: var(--accent-rust);
  box-shadow: 0 0 10px var(--accent-rust);
}

.bottom-slide-progress {
  position: fixed;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent-rust);
  z-index: 1000;
  transition: width 0.4s ease;
}

/* Ortak Butonlar */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2rem;
  background: var(--accent-rust);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 2px;
  box-shadow: 0 10px 25px var(--accent-rust-glow);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary:hover {
  background: #B8592C;
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(208, 105, 59, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.8rem;
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.btn-whatsapp-large {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.8rem;
  background: #25D366;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-large:hover {
  background: #1EBE5D;
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 13, 0.94);
  backdrop-filter: blur(20px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  max-width: 1100px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  box-shadow: var(--shadow-floating);
}

.modal-close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-visual-pane {
  background: #090F16;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-info-pane {
  padding: 3rem 2.5rem;
}

/* ==========================================================================
   ALT SAYFA STİLLERİ (biyografi.html, eserler.html, iletisim.html)
   ========================================================================== */
.bio-page-hero {
  padding: 10rem 0 4rem 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.bio-page-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.artist-portrait-box {
  position: relative;
  padding: 1.2rem;
  background: #0E1620;
  border: 1px solid var(--border-gold);
  box-shadow: var(--shadow-artwork);
}

.artist-image-frame {
  width: 100%;
  aspect-ratio: 1/1;
  background: #141f2b;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bio-narrative-section {
  padding: 6rem 0;
}

.narrative-container {
  max-width: 840px;
  margin: 0 auto;
}

.narrative-block {
  margin-bottom: 4rem;
}

.narrative-block-title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  color: var(--accent-rust);
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.narrative-block-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background-color: var(--accent-gold);
}

.narrative-text {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.narrative-text p {
  margin-bottom: 1.2rem;
}

.timeline-section {
  padding: 5rem 0 7rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.timeline-list {
  position: relative;
  max-width: 760px;
  margin: 3rem auto 0 auto;
  padding-left: 2.5rem;
  border-left: 2px solid rgba(201, 168, 106, 0.3);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-dot {
  position: absolute;
  left: calc(-2.5rem - 7px);
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-rust);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 10px var(--accent-rust);
}

.timeline-year {
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.timeline-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--text-main);
  margin-bottom: 0.3rem;
}

.timeline-loc {
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* İletişim Sayfası */
.contact-page-header {
  padding: 10rem 0 4rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.contact-page-title {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  color: var(--text-main);
  margin-bottom: 0.8rem;
}

.contact-page-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

.contact-page-body {
  padding: 6rem 0;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 4.5rem;
}

.direct-channels-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.channel-card {
  display: flex;
  align-items: center;
  padding: 1.4rem 1.6rem;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.channel-card:hover {
  transform: translateX(8px);
  border-color: var(--accent-gold);
  background: var(--bg-card-hover);
}

.channel-card.whatsapp-card { border-left: 4px solid #25D366; }
.channel-card.instagram-art-card { border-left: 4px solid #E1306C; }
.channel-card.instagram-personal-card { border-left: 4px solid #833AB4; }
.channel-card.email-card { border-left: 4px solid var(--accent-rust); }
.channel-card.phone-card { border-left: 4px solid var(--accent-teal); }
.channel-card.location-card { border-left: 4px solid var(--accent-gold); }

.channel-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1.2rem;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
}

.channel-icon svg { width: 22px; height: 22px; }
.whatsapp-icon { color: #25D366; }
.instagram-art-icon { color: #E1306C; }
.instagram-personal-icon { color: #833AB4; }
.email-icon { color: var(--accent-rust); }
.phone-icon { color: var(--accent-teal); }
.location-icon { color: var(--accent-gold); }

.channel-details { flex-grow: 1; }
.channel-label { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); }
.channel-value { font-size: 1.05rem; font-weight: 600; color: var(--text-main); margin-bottom: 0.15rem; }
.channel-action-hint { font-size: 0.76rem; color: var(--accent-gold); }
.channel-action-arrow { margin-left: 1rem; color: var(--text-dim); }

.inquiry-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  padding: 3rem;
  box-shadow: var(--shadow-artwork);
}

.form-title { font-family: var(--font-serif); font-size: 1.8rem; color: var(--text-main); margin-bottom: 0.5rem; }
.form-subtitle { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 2rem; }
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.5rem; font-weight: 500; }
.form-control { width: 100%; padding: 0.95rem 1.2rem; background: #0E1620; border: 1px solid var(--border-subtle); border-radius: 2px; color: var(--text-main); font-size: 0.95rem; }
.form-control:focus { outline: none; border-color: var(--accent-rust); box-shadow: 0 0 15px rgba(208, 105, 59, 0.2); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-submit-btn { width: 100%; padding: 1.1rem; background: var(--accent-rust); color: #FFFFFF; border: none; font-size: 0.9rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; cursor: pointer; border-radius: 2px; }
.form-submit-btn:hover { background: #C05D2E; }

/* Koleksiyon Sayfası (eserler.html) */
.collection-page-header {
  padding: 10rem 0 3.5rem 0;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.65rem 1.4rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: 30px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-rust);
  border-color: var(--accent-rust);
  color: #FFFFFF;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  padding: 5rem 0 8rem 0;
}

.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.gallery-item:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-artwork);
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 1/1;
  background: #0E1620;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item-meta {
  padding: 1.4rem 1.6rem;
}

.gallery-item-series {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.3rem;
}

.gallery-item-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.gallery-item-specs {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Alt Bilgi (Footer) */
.site-footer {
  margin-top: auto;
  background: #070B0F;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.footer-brand-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1.2rem;
}

.footer-brand-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-col-title {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-main);
  margin-bottom: 1.4rem;
  font-weight: 600;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links-list a:hover {
  color: var(--accent-rust);
  padding-left: 4px;
}

.footer-social-row {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.social-icon-btn:hover {
  background: var(--accent-rust);
  border-color: var(--accent-rust);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.footer-bottom-row {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Duyarlı Tasarım */
@media (max-width: 1024px) {
  .slide-grid {
    grid-template-columns: 1fr;
    height: auto;
    max-height: none;
    gap: 2.5rem;
  }

  .slide-pagination-dots {
    display: none;
  }

  .contact-channels-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-main-title {
    font-size: 2.8rem;
  }

  .slide-artwork-title {
    font-size: 2.3rem;
  }
}

@media (max-width: 768px) {
  .contact-channels-grid,
  .gallery-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    transition: transform 0.4s ease;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-toggle {
    display: block;
  }
}