/* ===================================================================
   ELFIGOART - TEKNİK BASKI MERKEZİ
   Aydınlık / Beyaz Arka Planlı, Renkli & Profesyonel UV Baskı Portalı
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700;800&display=swap');

:root {
  /* Aydınlık Zemin Paleti */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-elevated: #ffffff;
  --bg-light-tint: rgba(124, 58, 237, 0.04);

  /* UV Vurgu Renkleri (Aydınlıkta Canlı & Okunaklı) */
  --uv-violet: #7c3aed;
  --uv-purple: #9333ea;
  --uv-magenta: #db2777;
  --uv-cyan: #0284c7;
  --uv-blue: #2563eb;
  --uv-amber: #d97706;
  --uv-emerald: #059669;

  /* Gradyanlar */
  --gradient-uv: linear-gradient(135deg, #7c3aed 0%, #db2777 50%, #0284c7 100%);
  --gradient-neon: linear-gradient(135deg, #9333ea 0%, #2563eb 100%);
  --gradient-amber: linear-gradient(135deg, #d97706 0%, #db2777 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --gradient-soft-glow: radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.08) 0%, transparent 70%);

  /* Metin Renkleri (Aydınlıkta Yüksek Kontrast) */
  --text-main: #0f172a;       /* Koyu Slate / Siyaha yakın */
  --text-body: #334155;       /* Gövde metinleri */
  --text-muted: #64748b;      /* İkincil metinler */
  --text-subtle: #94a3b8;     /* Açık gri metinler */
  --text-highlight: #0284c7;  /* Vurgulu link rengi */

  /* Kenarlık & Gölgeler */
  --border-subtle: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-focus: rgba(124, 58, 237, 0.4);
  --border-active: rgba(2, 132, 199, 0.5);
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 18px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.09);
  --shadow-uv-glow: 0 10px 30px rgba(124, 58, 237, 0.12);
  --shadow-cyan-glow: 0 10px 30px rgba(2, 132, 199, 0.12);

  /* Tipografi & Ölçüler */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.16s ease;
  --container-max: 1240px;
}

/* ===================================================================
   GENEL SIFIRLAMA & TEMEL STİLLER (BEYAZ ARKA PLAN)
   =================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Sayfa Arka Planında Çok Hafif, Şık UV Renk Parıltıları */
body::before {
  content: '';
  position: fixed;
  top: -180px;
  right: -120px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.06) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

body::after {
  content: '';
  position: fixed;
  bottom: -180px;
  left: -120px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.05) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Tipografi */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

.gradient-text {
  background: var(--gradient-uv);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.22);
  color: var(--uv-violet);
}

.badge-cyan {
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.22);
  color: var(--uv-cyan);
}

.badge-amber {
  background: rgba(217, 119, 6, 0.08);
  border-color: rgba(217, 119, 6, 0.22);
  color: var(--uv-amber);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse-dot 2s infinite ease-in-out;
}

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

/* ===================================================================
   ÜST BİLGİ VE NAVİGASYON (HEADER)
   =================================================================== */
.top-notice-bar {
  background: linear-gradient(90deg, #ede9fe 0%, #e0f2fe 100%);
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.85rem;
  padding: 8px 0;
  text-align: center;
  color: #334155;
}

.top-notice-bar a {
  color: var(--uv-violet);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.site-header.scrolled {
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-logo {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* Masaüstü Menü */
.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-shrink: 0;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--uv-violet);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-uv);
  transition: width 0.25s ease;
  border-radius: 2px;
}

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

/* Header Aksiyon Butonları */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-uv);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.38);
  color: #ffffff;
}

.btn-outline {
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  background: var(--bg-secondary);
  border-color: var(--uv-violet);
  color: var(--uv-violet);
  transform: translateY(-2px);
}

.btn-magaza {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.22);
}

.btn-magaza:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.35);
}

.btn-whatsapp {
  background: #16a34a;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: #15803d;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22, 163, 74, 0.28);
}

.social-btn.btn-instagram {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  border: none;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(225, 48, 108, 0.22);
  padding: 8px 12px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.social-btn.btn-instagram:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(225, 48, 108, 0.35);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.mobile-toggle {
  display: none;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  font-size: 1.3rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ===================================================================
   HERO BÖLÜMÜ (BEYAZ ARKA PLAN / AYDINLIK)
   =================================================================== */
.hero-section {
  padding: 70px 0 60px;
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.3vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-main);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-body);
  max-width: 580px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}

.hero-trust-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-body);
}

.trust-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.1);
  color: var(--uv-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
}

/* Hero Görsel Vitrini */
.hero-visual {
  position: relative;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.hero-main-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(124, 58, 237, 0.08);
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.hero-main-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.3);
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.status-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
  border: 1px solid rgba(5, 150, 105, 0.25);
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #059669;
  box-shadow: 0 0 6px #059669;
}

.hero-layers-visual {
  background: #f8fafc;
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--border-subtle);
}

.layer-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  min-height: 48px;
  font-weight: 700;
  transition: var(--transition-fast);
}

.layer-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
  color: inherit;
  flex: 1;
}

.layer-box.cmyk {
  background: linear-gradient(90deg, #ecfeff 0%, #fdf2f8 50%, #fffbeb 100%);
  border: 1px solid #f472b6;
  color: #db2777;
}

.layer-box.white {
  background: #ffffff;
  color: #0f172a;
  border: 1px solid #cbd5e1;
  box-shadow: var(--shadow-sm);
}

.layer-box.substrate {
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #475569;
}

.layer-badge {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.08);
  color: var(--text-main);
  line-height: 1.2;
}

.layer-box.cmyk .layer-badge {
  background: rgba(219, 39, 119, 0.12);
  color: #db2777;
}

.layer-box.white .layer-badge {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #334155;
}

.layer-box.substrate .layer-badge {
  background: rgba(71, 85, 105, 0.12);
  color: #334155;
}

/* Katman Analizi Kutusu İçi Kürleme Bilgi Bandı */
.card-cure-info {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.22);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--text-body);
}

.card-cure-info .cure-icon {
  font-size: 1.35rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-cure-info .cure-text strong {
  color: #b45309;
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}

.card-cure-info .cure-text span {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* ===================================================================
   ÜST VITRİN ÜRÜNLERİ (ONLINE MAĞAZA - 1 SIRA AYDINLIK TASARIM)
   =================================================================== */
.featured-products-section {
  padding: 60px 0;
  position: relative;
  background: #ffffff;
}

.section-header-compact {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-header-compact .title-wrap h2 {
  font-size: 1.9rem;
  margin-top: 8px;
  color: var(--text-main);
}

.products-track-wrap {
  position: relative;
  overflow: hidden;
}

.products-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  overflow-x: auto;
  padding: 6px 4px 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--uv-violet) #e2e8f0;
}

.products-row::-webkit-scrollbar {
  height: 6px;
}

.products-row::-webkit-scrollbar-track {
  background: #e2e8f0;
  border-radius: 4px;
}

.products-row::-webkit-scrollbar-thumb {
  background: var(--uv-violet);
  border-radius: 4px;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
  color: inherit;
  min-width: 180px;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(2, 132, 199, 0.4);
  box-shadow: 0 12px 28px rgba(2, 132, 199, 0.14);
}

.product-card .product-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(124, 58, 237, 0.1);
  color: var(--uv-violet);
  border: 1px solid rgba(124, 58, 237, 0.2);
  z-index: 2;
}

.product-thumb {
  width: 100%;
  height: 140px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
  border: 1px solid #f1f5f9;
}

.product-thumb svg {
  width: 64px;
  height: 64px;
  transition: var(--transition);
}

.product-card:hover .product-thumb svg {
  transform: scale(1.1);
}

.product-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-main);
}

.product-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.product-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.product-shop-link {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--uv-cyan);
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-card:hover .product-shop-link {
  color: var(--uv-violet);
}

/* ===================================================================
   HİZMETLER BÖLÜMÜ (AYDINLIK / BEYAZ KARTLAR)
   =================================================================== */
.services-section {
  padding: 90px 0;
  position: relative;
  background: #f8fafc;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head-center {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-head-center h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-top: 12px;
  margin-bottom: 16px;
  color: var(--text-main);
}

.section-head-center p {
  font-size: 1.05rem;
  color: var(--text-body);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 38px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-uv);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 16px 36px rgba(124, 58, 237, 0.1);
}

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

.service-icon-box {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--uv-violet);
}

.service-card:nth-child(2) .service-icon-box {
  background: rgba(2, 132, 199, 0.1);
  border-color: rgba(2, 132, 199, 0.2);
  color: var(--uv-cyan);
}

.service-card:nth-child(3) .service-icon-box {
  background: rgba(217, 119, 6, 0.1);
  border-color: rgba(217, 119, 6, 0.2);
  color: var(--uv-amber);
}

.service-card:nth-child(4) .service-icon-box {
  background: rgba(219, 39, 119, 0.1);
  border-color: rgba(219, 39, 119, 0.2);
  color: var(--uv-magenta);
}

.service-content h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.service-content .service-summary {
  color: var(--text-body);
  font-size: 0.98rem;
  margin-bottom: 22px;
  line-height: 1.6;
}

.service-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  padding: 18px;
  background: #f8fafc;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.service-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-body);
}

.service-features-list li span.bullet {
  color: var(--uv-cyan);
  font-size: 1rem;
  line-height: 1.2;
}

.service-action-bar {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

/* ===================================================================
   NEDEN UV BASKI? (AYDINLIK AVANTAJ KARTLARI)
   =================================================================== */
.uv-advantages-section {
  padding: 90px 0;
  position: relative;
  background: #ffffff;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.advantage-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.advantage-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 58, 237, 0.3);
  box-shadow: 0 10px 25px rgba(124, 58, 237, 0.08);
}

.adv-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: #f1f5f9;
  position: absolute;
  top: 16px;
  right: 18px;
}

.adv-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.adv-icon.icon-purple {
  background: rgba(147, 51, 234, 0.1);
  color: #9333ea;
  border: 1px solid rgba(147, 51, 234, 0.2);
}

.adv-icon.icon-cyan {
  background: rgba(2, 132, 199, 0.1);
  color: #0284c7;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.adv-icon.icon-magenta {
  background: rgba(219, 39, 119, 0.1);
  color: #db2777;
  border: 1px solid rgba(219, 39, 119, 0.2);
}

.adv-icon.icon-amber {
  background: rgba(217, 119, 6, 0.1);
  color: #d97706;
  border: 1px solid rgba(217, 119, 6, 0.2);
}

.advantage-card h4 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.advantage-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===================================================================
   İNTERAKTİF MALZEME & UV EFEKT LABI (AYDINLIK & ŞIK)
   =================================================================== */
.interactive-lab-section {
  padding: 80px 0;
  position: relative;
  background: #f8fafc;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.lab-container {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(124, 58, 237, 0.06);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.lab-info h3 {
  font-size: 2rem;
  margin-bottom: 14px;
  color: var(--text-main);
}

.lab-info p {
  color: var(--text-body);
  margin-bottom: 24px;
  font-size: 0.98rem;
}

.material-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.material-btn {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: #f8fafc;
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.material-btn:hover, .material-btn.active {
  background: var(--uv-violet);
  color: #ffffff;
  border-color: var(--uv-violet);
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
}

.effect-toggles {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.effect-toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-switch {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .3s;
  border-radius: 24px;
}

.slider-switch:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

input:checked + .slider-switch {
  background-color: var(--uv-cyan);
}

input:checked + .slider-switch:before {
  transform: translateX(20px);
}

/* Önizleme Panosu */
.lab-preview-box {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.15), var(--shadow-md);
  border: 2px solid var(--border-medium);
  transition: all 0.4s ease;
}

.preview-material-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: all 0.4s ease;
}

.mat-wood {
  background: linear-gradient(135deg, #a16207 0%, #713f12 100%);
}

.mat-metal {
  background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
}

.mat-glass {
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
}

.mat-acrylic {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.mat-leather {
  background: linear-gradient(135deg, #78350f 0%, #451a03 100%);
}

.preview-print-layer {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.preview-print-layer h4 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.preview-print-layer span {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.preview-print-layer.has-varnish {
  text-shadow: 0 2px 5px rgba(255,255,255,0.7), 0 0 16px rgba(255,255,255,0.9);
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
}

.preview-print-layer.has-white {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

/* ===================================================================
   NASIL ÇALIŞIYORUZ? (ADIMLAR)
   =================================================================== */
.process-section {
  padding: 80px 0;
  position: relative;
  background: #ffffff;
}

.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  position: relative;
}

.process-steps-grid::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--uv-violet), var(--uv-cyan), var(--uv-magenta));
  opacity: 0.25;
  z-index: 0;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px 20px;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: rgba(2, 132, 199, 0.4);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--uv-violet);
  color: var(--uv-violet);
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step-card h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-main);
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ===================================================================
   HIZLI TEKLİF & ÇAĞRI BANNER'I
   =================================================================== */
.cta-banner-section {
  padding: 60px 0 90px;
  position: relative;
  background: #ffffff;
}

.cta-banner {
  background: linear-gradient(135deg, #ede9fe 0%, #e0f2fe 100%);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.cta-text h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.cta-text p {
  color: var(--text-body);
  font-size: 1.05rem;
  max-width: 580px;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 260px;
}

/* ===================================================================
   FOOTER (AYDINLIK, ŞIK & OKUNAKLI)
   =================================================================== */
.site-footer {
  background: #f8fafc;
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 28px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col-brand .brand-logo-wrap {
  margin-bottom: 16px;
}

.footer-col-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-brand-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.footer-brand-actions .social-btn,
.footer-brand-actions .btn {
  margin: 0;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: var(--text-main);
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--uv-violet);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  color: var(--text-muted);
  font-size: 0.925rem;
  transition: var(--transition-fast);
}

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

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-meta-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--text-body);
}

.contact-meta-row .icon {
  color: var(--uv-violet);
  font-size: 1.15rem;
  margin-top: 2px;
}

.contact-meta-row a {
  color: var(--text-main);
  font-weight: 700;
}

.contact-meta-row a:hover {
  color: var(--uv-violet);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-subtle);
}

/* ===================================================================
   İÇ SAYFALAR: HAKKIMIZDA, REFERANSLAR, İLETİŞİM
   =================================================================== */
.page-hero {
  padding: 60px 0 40px;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-top: 10px;
  margin-bottom: 16px;
  color: var(--text-main);
}

.page-hero p {
  color: var(--text-body);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Hakkımızda İçeriği */
.about-section {
  background: #ffffff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 50px 0 80px;
}

.about-content h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--text-main);
}

.about-content p {
  color: var(--text-body);
  font-size: 1rem;
  margin-bottom: 18px;
  line-height: 1.7;
}

.info-highlight-box {
  background: #f8fafc;
  border-left: 4px solid var(--uv-violet);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.stat-box {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-box .stat-num {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--uv-violet);
  display: block;
}

.stat-box .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

/* Referanslar Sayfası */
.gallery-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 40px 0;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-uv);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
}

.reference-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-bottom: 80px;
}

.ref-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.ref-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.35);
  box-shadow: var(--shadow-md);
}

.ref-img {
  width: 100%;
  height: 220px;
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.ref-img svg {
  width: 80px;
  height: 80px;
}

.ref-body {
  padding: 22px;
}

.ref-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--uv-cyan);
  margin-bottom: 6px;
  display: block;
}

.ref-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text-main);
}

.ref-body p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* İletişim Sayfası */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  padding: 40px 0 80px;
}

.contact-info-panel {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  box-shadow: var(--shadow-sm);
}

.contact-card-box {
  display: flex;
  gap: 16px;
}

.contact-card-box .icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  color: var(--uv-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card-box h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--text-main);
}

.contact-card-box p, .contact-card-box a {
  color: var(--text-body);
  font-size: 0.925rem;
}

.contact-card-box a:hover {
  color: var(--uv-violet);
}

.contact-form-panel {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: #f8fafc;
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--uv-violet);
  box-shadow: 0 0 10px rgba(124, 58, 237, 0.2);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.map-wrapper {
  margin-top: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  height: 240px;
}

/* ===================================================================
   İNTERAKTİF BEYAZ ALT BASKI SİMÜLATÖRÜ (GERÇEKÇİ DOKULAR & CHOKE)
   =================================================================== */
.sim-stage-container {
  width: 100%;
  height: 330px;
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: inset 0 0 35px rgba(0, 0, 0, 0.6), var(--shadow-md);
  border: 2px solid var(--border-medium);
}

.sim-material-bg {
  position: absolute;
  inset: 0;
  transition: all 0.4s ease;
  z-index: 1;
}

/* 1. Siyah Parlak Pleksi Dokusu (Derin ayna siyahı ve ışık yansıması) */
.mat-acrylic {
  background-color: #05070e;
  background-image: 
    linear-gradient(115deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.01) 35%, rgba(255,255,255,0.09) 42%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(30, 41, 59, 0.9) 0%, #030611 75%);
  box-shadow: inset 0 0 50px rgba(0,0,0,0.9);
}

/* 2. Yeni: Beyaz Parlak Pleksi Dokusu (Saf pürüzsüz beyaz akrilik) */
.mat-white-acrylic {
  background-color: #ffffff;
  background-image: linear-gradient(135deg, #ffffff 0%, #f8fafc 55%, #e2e8f0 100%);
  box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.05);
}

/* 3. Doğal Masif Ahşap Dokusu (Kullanıcı Tarafından Sağlanan Texture) */
.mat-wood {
  background: url('../images/textures/wood.jpg') center/cover no-repeat;
  box-shadow: inset 0 0 45px rgba(0,0,0,0.45);
}

/* 4. Fırçalanmış Paslanmaz Metal / Çelik (Kullanıcı Tarafından Sağlanan Texture) */
.mat-metal {
  background: url('../images/textures/metal.jpg') center/cover no-repeat;
  box-shadow: inset 0 0 35px rgba(0,0,0,0.35);
}

/* 5. Koyu Hakiki Deri (Doğal deri gözenekleri ve kırışıklık deseni - aynı kaldı) */
.mat-leather {
  background-color: #1a110a;
  background-image: 
    radial-gradient(#2c1a0e 15%, transparent 16%),
    radial-gradient(#2c1a0e 15%, transparent 16%),
    repeating-linear-gradient(45deg, #140c06 0px, #22140a 2px, #140c06 4px);
  background-size: 7px 7px, 7px 7px, 100% 100%;
  background-position: 0 0, 3.5px 3.5px, 0 0;
  box-shadow: inset 0 0 60px rgba(0,0,0,0.9);
}

/* 6. Şeffaf Kristal Cam (Eski Temiz Haline Getirildi) */
.mat-glass {
  background: linear-gradient(135deg, rgba(224, 242, 254, 0.45) 0%, rgba(186, 230, 253, 0.2) 100%);
  box-shadow: inset 0 0 30px rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.sim-print-wrapper {
  position: relative;
  z-index: 10;
  padding: 30px 40px;
  text-align: center;
  user-select: none;
}

.sim-title-group {
  position: relative;
  display: inline-block;
  text-align: center;
}

/* 1. Alt Katman: Beyaz Alt Baskı (SIFIR KAYMA: Birebir piksel çakışması) */
.sim-layer-white {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  color: #ffffff;
  z-index: 1;
  opacity: 1;
  transform: none; /* Scale kayması tamamen kaldırıldı, pikseli pikseline tam örtüşür */
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  text-shadow: none;
  filter: none;
}

.sim-layer-white.is-hidden {
  opacity: 0;
}

/* 2. Üst Katman: Renkli Baskı (CHOKE KORUMASI: Kırmızı renk 1.2px dışa yayılır, alttaki beyazı tam örter) */
.sim-layer-color {
  position: relative;
  z-index: 2;
  color: #ef4444; /* Canlı kırmızı */
  -webkit-text-stroke: 1.2px #ef4444; /* Gerçek Choke / Trapping: Kırmızı beyazın kenarlarını tamamen örterek taşmayı ve kaymayı sıfırlar */
  paint-order: stroke fill;
  transition: all 0.35s ease;
}

/* BEYAZ ALT BASKI KAPALIYKEN: Göze gelir, okunur ancak zeminle karışmış, mat ve canlı olmayan kırmızı */
.sim-layer-white.is-hidden ~ .sim-layer-color,
.sim-layer-color.no-white {
  color: #991b1b !important; /* Koyu kırmızı / bordomsu */
  -webkit-text-stroke: 0px transparent !important;
  opacity: 0.6 !important; /* Göze gelir ve okunur seviyede ayarlandı */
  filter: brightness(0.65) contrast(0.85) !important;
  mix-blend-mode: multiply !important;
  text-shadow: none !important;
}

/* ÖZEL: Beyaz Plekside Zemin Zaten Beyaz Olduğu İçin Her Zaman Canlı & Güzel Görünür */
.sim-material-bg.mat-white-acrylic ~ .sim-print-wrapper .sim-layer-color,
.sim-material-bg.mat-white-acrylic ~ .sim-print-wrapper .sim-layer-color.no-white {
  color: #ef4444 !important;
  -webkit-text-stroke: 0.6px #ef4444 !important;
  opacity: 1 !important;
  filter: none !important;
  mix-blend-mode: normal !important;
}

.sim-main-text {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.1;
  margin: 0;
}

.sim-sub-text {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: 6px;
}

.sim-status-box {
  margin-top: 14px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  transition: var(--transition-fast);
}

.sim-status-box.active {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #059669;
}

.sim-status-box.inactive {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #b91c1c;
}

/* ===================================================================
   MOBİL İÇİN SABİT HIZLI AKSİYON ÇUBUĞU (MOBILE QUICK ACTION BAR)
   =================================================================== */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  z-index: 1050;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.mobile-sticky-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 8px;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
}

.sticky-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 8px 4px;
  min-height: 48px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-main);
  text-decoration: none;
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}

.sticky-action-btn:active {
  transform: scale(0.97);
}

.sticky-action-btn svg {
  width: 18px;
  height: 18px;
}

.sticky-action-btn.btn-sticky-wa {
  background: #16a34a;
  color: #ffffff;
  border-color: #16a34a;
  font-size: 0.78rem;
  box-shadow: 0 2px 10px rgba(22, 163, 74, 0.25);
}

.sticky-action-btn.btn-sticky-shop {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

.mobile-nav-cta {
  display: none !important;
}

/* ===================================================================
   RESPONSIVE & MOBİL UYARLAMALAR (TAM TEST EDİLMİŞ GELİŞMİŞ MOBİL UX)
   =================================================================== */
@media (max-width: 1200px) {
  .main-nav {
    gap: 16px;
  }
  .nav-link {
    font-size: 0.88rem;
  }
  .header-actions .btn {
    padding: 7px 12px;
    font-size: 0.82rem;
  }
}

@media (max-width: 992px) {
  body {
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }

  .mobile-sticky-bar {
    display: block;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  .header-container {
    height: 64px;
  }

  .brand-logo {
    max-height: 42px;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 1.35rem;
    cursor: pointer;
    background: #ffffff;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    transition: var(--transition-fast);
  }

  .mobile-toggle:active {
    background: #f1f5f9;
    transform: scale(0.96);
  }

  /* Mobil Menü Çekmecesi - Header'ın altından kusursuz açılır */
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 16px 20px calc(80px + env(safe-area-inset-bottom, 0px));
    gap: 6px;
    display: flex;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 999;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.2s;
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .main-nav .nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
  }

  .main-nav .nav-link:hover, 
  .main-nav .nav-link.active {
    background: rgba(124, 58, 237, 0.06);
    color: var(--uv-violet);
  }

  .main-nav .nav-link::after {
    display: none;
  }

  .header-actions .btn-whatsapp, 
  .header-actions .social-btn,
  .header-actions .btn-magaza {
    display: none;
  }

  /* Layout Izgaraları */
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

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

  .lab-container {
    grid-template-columns: 1fr;
  }

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

  .process-steps-grid::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .top-notice-bar {
    font-size: 0.78rem;
    padding: 7px 12px;
    line-height: 1.4;
  }

  /* Hero */
  .hero-section {
    padding: 36px 0 30px;
  }

  .hero-content .badge {
    margin-bottom: 14px;
    font-size: 0.78rem;
    line-height: 1.4;
  }

  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2.2rem);
    line-height: 1.2;
  }

  .hero-description {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .hero-cta-group {
    width: 100%;
    flex-direction: column;
    gap: 12px;
  }

  .hero-cta-group .btn {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }

  .hero-trust-indicators {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 16px;
    margin-top: 16px;
  }

  .hero-card-stack {
    max-width: 100%;
  }

  .hero-main-card {
    padding: 20px 16px;
  }

  /* Üst Vitrin Ürünleri: Kenardan Kenara Pürüzsüz Akıcı Yatay Kaydırma */
  .featured-products-section {
    padding: 36px 0;
  }

  .section-header-compact {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
  }

  .section-header-compact .title-wrap h2 {
    font-size: 1.45rem;
  }

  .products-row {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 6px 16px 16px 16px;
    scrollbar-width: thin;
  }

  .product-card {
    flex: 0 0 220px;
    min-width: 220px;
    scroll-snap-align: start;
  }

  /* Hizmet Kartları */
  .services-section {
    padding: 50px 0;
  }

  .section-head-center {
    margin-bottom: 30px;
  }

  .section-head-center h2 {
    font-size: 1.65rem;
  }

  .service-card {
    padding: 22px 16px;
    border-radius: var(--radius-md);
  }

  .service-content h3 {
    font-size: 1.25rem;
  }

  .service-features-list {
    padding: 14px;
    gap: 10px;
    margin-bottom: 20px;
  }

  .service-features-list li {
    font-size: 0.88rem;
  }

  .service-action-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .service-action-bar .btn {
    width: 100%;
    min-height: 46px;
    justify-content: center;
  }

  /* Avantajlar */
  .uv-advantages-section {
    padding: 50px 0;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .advantage-card {
    padding: 20px 16px;
  }

  /* Simülatör (Dokunmatik ve Taşmayan Ergonomik Düzen) */
  .interactive-lab-section {
    padding: 45px 0;
  }

  .lab-container {
    padding: 20px 14px;
    gap: 20px;
    border-radius: var(--radius-md);
  }

  .lab-info h3 {
    font-size: 1.45rem;
  }

  .material-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .material-btn {
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 6px;
    font-size: 0.82rem;
    text-align: center;
  }

  .sim-stage-container {
    height: 220px;
  }

  .sim-print-wrapper {
    padding: 12px;
  }

  .sim-main-text {
    font-size: clamp(1.4rem, 5.5vw, 2.1rem);
    letter-spacing: 1px;
    white-space: nowrap;
  }

  .sim-sub-text {
    font-size: clamp(0.65rem, 2.5vw, 0.82rem);
    letter-spacing: 1.5px;
    white-space: nowrap;
  }

  .effect-toggle-item {
    padding: 12px 14px;
  }

  /* Adımlar & CTA */
  .process-section {
    padding: 45px 0;
  }

  .process-steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .step-card {
    padding: 20px 16px;
  }

  .cta-banner {
    flex-direction: column;
    align-items: stretch;
    padding: 26px 16px;
    gap: 18px;
    border-radius: var(--radius-md);
    text-align: left;
  }

  .cta-text {
    width: 100%;
  }

  .cta-text h2 {
    font-size: 1.45rem;
    margin-bottom: 8px;
  }

  .cta-text p {
    font-size: 0.92rem;
    line-height: 1.5;
  }

  .cta-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .cta-actions .btn {
    width: 100%;
    min-height: 46px;
    padding: 10px 6px;
    font-size: 0.82rem;
    font-weight: 700;
    justify-content: center;
    white-space: nowrap;
    text-align: center;
    border-radius: var(--radius-sm);
  }

  /* Footer */
  .site-footer {
    padding: 45px 0 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  /* Form & İç Sayfalar */
  .contact-layout {
    padding: 16px 0 40px;
    gap: 20px;
  }

  .contact-info-panel, .contact-form-panel {
    padding: 20px 16px;
    border-radius: var(--radius-md);
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .form-control {
    font-size: 16px; /* iOS Safari otomatik zoom yapmasını engeller */
    min-height: 48px;
  }

  .reference-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Referans Filtreleri: Mobil App Tarzı Akıcı Yatay Kaydırma */
  .gallery-filter-bar {
    display: flex;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 8px;
    margin: 16px -16px 24px;
    padding: 4px 16px 12px;
    scrollbar-width: none;
  }

  .gallery-filter-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 9px 16px;
    font-size: 0.85rem;
    min-height: 40px;
    border-radius: var(--radius-full);
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-hero {
    padding: 36px 0 24px;
  }

  .page-hero h1 {
    font-size: 1.75rem;
  }
}

/* Şık Yakında Etiketi */
.badge-soon {
  font-size: 0.75em;
  font-weight: 600;
  opacity: 0.9;
  margin-left: 4px;
  display: inline-block;
  letter-spacing: 0.02em;
}