/* ============================================================
   ESO GÜVENLİK TEKNOLOJİLERİ — Ana Stil Dosyası
   style.css
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   1. CSS DEĞİŞKENLERİ (Custom Properties)
   ============================================================ */
:root {
  /* Renkler */
  --color-primary:    #0F172A;
  --color-secondary:  #06B6D4;
  --color-accent:     #14B8A6;
  --color-bg:         #F8FAFC;
  --color-dark:       #111827;
  --color-text:       #334155;
  --color-text-light: #64748B;
  --color-white:      #FFFFFF;
  --color-card:       #FFFFFF;
  --color-border:     #E2E8F0;

  /* Gradyanlar */
  --gradient-primary:    linear-gradient(135deg, #0F172A 0%, #1E3A5F 100%);
  --gradient-secondary:  linear-gradient(135deg, #06B6D4 0%, #14B8A6 100%);
  --gradient-hover:      linear-gradient(135deg, #06B6D4 0%, #14B8A6 100%);
  --gradient-dark:       linear-gradient(135deg, #111827 0%, #0F172A 100%);
  --gradient-glass:      linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%);
  --gradient-overlay:    linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(6,182,212,0.3) 100%);

  /* Gölgeler */
  --shadow-sm:   0 2px 8px rgba(15, 23, 42, 0.08);
  --shadow-md:   0 8px 24px rgba(15, 23, 42, 0.12);
  --shadow-lg:   0 16px 48px rgba(15, 23, 42, 0.16);
  --shadow-xl:   0 32px 64px rgba(15, 23, 42, 0.20);
  --shadow-cyan: 0 8px 32px rgba(6, 182, 212, 0.25);
  --shadow-glow: 0 0 30px rgba(6, 182, 212, 0.4);

  /* Tipografi */
  --font-family:  'Poppins', sans-serif;
  --font-size-xs:  0.75rem;   /* 12px */
  --font-size-sm:  0.875rem;  /* 14px */
  --font-size-base:1rem;      /* 16px */
  --font-size-lg:  1.125rem;  /* 18px */
  --font-size-xl:  1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */

  /* Köşe Yuvarlaklığı */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --radius-full: 9999px;

  /* Boşluklar */
  --spacing-xs:  0.5rem;
  --spacing-sm:  1rem;
  --spacing-md:  2rem;
  --spacing-lg:  3rem;
  --spacing-xl:  5rem;
  --spacing-2xl: 8rem;

  /* Geçişler */
  --transition-fast:   0.2s ease;
  --transition-base:   0.3s ease;
  --transition-slow:   0.5s ease;

  /* Z-index */
  --z-dropdown:   1000;
  --z-sticky:     1010;
  --z-overlay:    1020;
  --z-modal:      1030;
  --z-loading:    9999;

  /* Header yüksekliği */
  --header-height: 80px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Scrollbar stilistikleri */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-family);
}

input, textarea, select {
  font-family: var(--font-family);
}

/* ============================================================
   3. LAYOUT YARDIMCILARI
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-white);
}

.section--alt {
  background: #EFF6FF;
}

/* Grid yardımcıları */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

/* Flex yardımcıları */
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }

/* ============================================================
   4. TİPOGRAFİ
   ============================================================ */
.section-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.section-title span {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title--white {
  color: var(--color-white);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

/* ============================================================
   5. BUTONLAR
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  white-space: nowrap;
}

/* Ripple efekti için */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.2);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-cyan);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}
.btn-dark:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: 10px 22px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 18px 44px;
  font-size: var(--font-size-lg);
}

/* WhatsApp butonu */
.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.5);
}

/* ============================================================
   6. LOADING SCREEN
   ============================================================ */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loading);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-logo {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  letter-spacing: 2px;
}

.loading-logo span {
  color: var(--color-secondary);
}

.loading-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loading-bar-fill {
  height: 100%;
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
  animation: loading-fill 1.5s ease forwards;
}

@keyframes loading-fill {
  from { width: 0%; }
  to   { width: 100%; }
}

/* ============================================================
   7. HEADER & NAVİGASYON
   ============================================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

#header.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: var(--shadow-lg);
  height: 70px;
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-white);
  flex-shrink: 0;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: var(--shadow-cyan);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text span:first-child {
  font-size: var(--font-size-xl);
  margin-top: 22px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 1px;
}

.logo-text span:last-child {
  font-size: var(--font-size-xs);
  font-weight: 400;
  color: var(--color-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Ana Navigasyon */
#main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-secondary);
  background: rgba(6, 182, 212, 0.08);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* Dropdown menü */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: rgba(15, 23, 42, 0.98);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-left: 1px solid rgba(255,255,255,0.08);
  transform: translateX(-50%) rotate(45deg);
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-secondary);
  padding-left: 20px;
}

.dropdown-link svg {
  width: 16px;
  height: 16px;
  color: var(--color-secondary);
  flex-shrink: 0;
}

/* Hamburger menü butonu */
#menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  cursor: pointer;
  transition: background var(--transition-fast);
}

#menu-toggle:hover {
  background: rgba(6, 182, 212, 0.2);
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

#menu-toggle.active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#menu-toggle.active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-toggle.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   8. HERO SLIDER
   ============================================================ */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-height);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.4);
  border-radius: var(--radius-full);
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s ease 0.3s;
}

.hero-slide.active .hero-badge {
  opacity: 1;
  transform: translateY(0);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--spacing-sm);
  max-width: 750px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease 0.5s;
}

.hero-slide.active .hero-title {
  opacity: 1;
  transform: translateY(0);
}

.hero-title span {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease 0.7s;
}

.hero-slide.active .hero-desc {
  opacity: 1;
  transform: translateY(0);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease 0.9s;
}

.hero-slide.active .hero-buttons {
  opacity: 1;
  transform: translateY(0);
}

/* Slider kontrolleri */
.hero-controls {
  position: absolute;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero-dot.active {
  width: 32px;
  background: var(--gradient-secondary);
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: 10;
  color: var(--color-white);
}

.hero-arrow:hover {
  background: var(--gradient-secondary);
  border-color: transparent;
  box-shadow: var(--shadow-cyan);
}

.hero-arrow--prev { left: var(--spacing-md); }
.hero-arrow--next { right: var(--spacing-md); }

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--spacing-xl);
  right: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 10;
  writing-mode: vertical-rl;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(6, 182, 212, 0.8), transparent);
  animation: scroll-line 2s ease infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   9. KURUMSAL TANITIM BÖLÜMÜ
   ============================================================ */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-main {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.about-image-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient-secondary);
  color: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-cyan);
}

.about-image-badge strong {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1;
}

.about-image-badge span {
  font-size: var(--font-size-xs);
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-content {
  padding-left: var(--spacing-md);
}

.about-content .section-badge { margin-bottom: var(--spacing-sm); }

.about-content .section-title {
  text-align: left;
  margin-bottom: var(--spacing-sm);
}

.about-lead {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: var(--spacing-lg);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 500;
}

.about-feature-icon {
  width: 24px;
  height: 24px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  flex-shrink: 0;
}

/* ============================================================
   10. İSTATİSTİK SAYAÇLARI
   ============================================================ */
.stats-section {
  background: var(--gradient-primary);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2306B6D4' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  position: relative;
}

.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
}

.stat-card:hover {
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
}

.stat-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
  font-size: 28px;
  color: var(--color-white);
}

.stat-number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================================
   11. HİZMETLER KARTları
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.service-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-xl);
  border-color: rgba(6, 182, 212, 0.2);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-secondary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.service-card-image {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.service-card-image-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card:hover .service-card-image-overlay {
  opacity: 1;
}

.service-card-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 52px;
  height: 52px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-white);
  box-shadow: var(--shadow-cyan);
}

.service-card-body {
  padding: var(--spacing-md);
}

.service-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.service-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.service-card-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--spacing-sm);
}

.service-area-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(6, 182, 212, 0.08);
  color: var(--color-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.service-card-footer {
  padding: 0 var(--spacing-md) var(--spacing-md);
}

/* ============================================================
   12. CTA BÖLÜMÜ
   ============================================================ */
.cta-section {
  background: var(--gradient-secondary);
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  position: relative;
}

.cta-text h2 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 8px;
}

.cta-text p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.85);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

/* ============================================================
   13. BLOG KARTLARI
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.blog-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(6, 182, 212, 0.2);
}

.blog-card-image {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.06);
}

.blog-category {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 14px;
  background: var(--gradient-secondary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.blog-card-body {
  padding: var(--spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: 12px;
}

.blog-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.blog-meta-item svg {
  width: 13px;
  height: 13px;
}

.blog-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--color-secondary);
}

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
  flex: 1;
  line-height: 1.7;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.blog-card:hover .blog-read-more {
  gap: 12px;
}

/* ============================================================
   14. GALERİ
   ============================================================ */
.gallery-filters {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.gallery-filter-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  border: 2px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-card);
  transition: all var(--transition-base);
}

.gallery-filter-btn:hover,
.gallery-filter-btn.active {
  background: var(--gradient-secondary);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-cyan);
}

.gallery-masonry {
  columns: 4;
  column-gap: var(--spacing-sm);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-zoom-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 22px;
  transform: scale(0.8);
  transition: all var(--transition-base);
}

.gallery-item:hover .gallery-zoom-icon {
  transform: scale(1);
}

/* Lightbox */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
}

#lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-content img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
}

.lightbox-close {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 22px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(239, 68, 68, 0.5);
}

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 22px;
  cursor: pointer;
  transition: all var(--transition-base);
}

.lightbox-prev { left: var(--spacing-md); }
.lightbox-next { right: var(--spacing-md); }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--gradient-secondary);
  border-color: transparent;
}

/* ============================================================
   15. İLETİŞİM
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-info-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: rgba(6, 182, 212, 0.08);
  border-radius: 50%;
}

.contact-info-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.contact-info-desc {
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: var(--spacing-md);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-secondary);
  font-size: 20px;
}

.contact-info-item-content strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-item-content span {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.contact-hours {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.contact-hours h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-secondary);
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.7);
  margin-bottom: 6px;
}

/* İletişim formu */
.contact-form-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.form-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-primary);
  background: var(--color-bg);
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-secondary);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.1);
}

.form-input.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-error {
  display: none;
  font-size: var(--font-size-xs);
  color: #EF4444;
  margin-top: 6px;
}

.form-error.show { display: block; }

textarea.form-input {
  height: 150px;
  resize: vertical;
}

.form-success {
  display: none;
  padding: var(--spacing-md);
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.form-success.show { display: block; }

/* Harita */
.map-container {
  margin-top: var(--spacing-xl);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 400px;
  background: #1E3A5F;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  position: relative;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   16. BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) 0;
}

.breadcrumb-item {
  color: rgba(255,255,255,0.7);
}

.breadcrumb-item a {
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb-item a:hover { color: var(--color-accent); }

.breadcrumb-sep { color: rgba(255,255,255,0.3); }

/* ============================================================
   17. PAGE HERO (İç sayfalar için)
   ============================================================ */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
  background: var(--gradient-primary);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2306B6D4' fill-opacity='0.04'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40zm0-40h2l-2 2V0zm0 4l4-4h2l-6 6V4zm0 4l8-8h2L40 10V8zm0 4L52 0h2L40 14v-2zm0 4L56 0h2L40 18v-2zm0 4L60 0h2L40 22v-2zm0 4L64 0h2L40 26v-2zm0 4L68 0h2L40 30v-2zm0 4L72 0h2L40 34v-2zm0 4L76 0h2L40 38v-2zm0 4L80 0v2L42 40h-2zm4 0L80 4v2L46 40h-2zm4 0L80 8v2L50 40h-2zm4 0L80 12v2L54 40h-2zm4 0L80 16v2L58 40h-2zm4 0L80 20v2L62 40h-2zm4 0L80 24v2L66 40h-2zm4 0L80 28v2L70 40h-2zm4 0L80 32v2L74 40h-2zm4 0L80 36v2L78 40h-2zm4 0L80 40v0h-2v-2l2-2v4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.page-hero-title span {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero-desc {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  line-height: 1.8;
}

/* ============================================================
   18. HİZMET DETAY SAYFASI
   ============================================================ */
.service-detail-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.service-detail-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.service-detail-img img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.feature-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(6, 182, 212, 0.2);
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-white);
  font-size: 24px;
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* Avantajlar listesi */
.advantages-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.advantage-item:hover {
  border-color: rgba(6, 182, 212, 0.3);
  background: rgba(6, 182, 212, 0.02);
}

.advantage-check {
  width: 28px;
  height: 28px;
  background: rgba(20, 184, 166, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  font-size: 14px;
}

/* Kullanım alanları */
.usage-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.usage-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.usage-tag:hover {
  background: var(--gradient-secondary);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: var(--shadow-cyan);
}

/* Teknik özellikler tablosu */
.tech-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.tech-table th {
  background: var(--gradient-primary);
  color: var(--color-white);
  padding: 16px 20px;
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.tech-table td {
  padding: 14px 20px;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-card);
}

.tech-table tr:last-child td { border-bottom: none; }
.tech-table tr:nth-child(even) td { background: var(--color-bg); }

/* SSS */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-card);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  background: none;
  border: none;
  transition: color var(--transition-fast);
}

.faq-question:hover { color: var(--color-secondary); }

.faq-icon {
  width: 28px;
  height: 28px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  flex-shrink: 0;
  transition: all var(--transition-base);
  font-size: 18px;
}

.faq-item.active .faq-icon {
  background: var(--gradient-secondary);
  color: var(--color-white);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 20px 18px;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================================
   19. BLOG DETAY SAYFASI
   ============================================================ */
.blog-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--spacing-xl);
  align-items: start;
}

.blog-detail-content {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.blog-detail-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.blog-detail-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin: var(--spacing-md) 0 10px;
}

.blog-detail-content p {
  margin-bottom: var(--spacing-sm);
  line-height: 1.9;
  color: var(--color-text);
}

.blog-detail-content img {
  border-radius: var(--radius-lg);
  margin: var(--spacing-md) 0;
  width: 100%;
  object-fit: cover;
}

.blog-detail-content ul,
.blog-detail-content ol {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-md);
}

.blog-detail-content ul { list-style: disc; }
.blog-detail-content ol { list-style: decimal; }

.blog-detail-content li {
  margin-bottom: 8px;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-detail-content blockquote {
  border-left: 4px solid var(--color-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: var(--spacing-md) 0;
  background: rgba(6, 182, 212, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text);
}

/* İçindekiler */
.toc {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.toc h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc ol {
  padding-left: var(--spacing-md);
  list-style: decimal;
}

.toc li {
  margin-bottom: 6px;
}

.toc a {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.toc a:hover { color: var(--color-accent); }

/* Paylaş */
.share-section {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.share-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.share-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.share-btn--twitter  { background: #1DA1F2; }
.share-btn--linkedin { background: #0A66C2; }
.share-btn--facebook { background: #1877F2; }
.share-btn--whatsapp { background: #25D366; }

/* Blog sidebar */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.sidebar-widget {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.widget-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gradient-secondary);
  border-image: var(--gradient-secondary) 1;
}

/* Yorum formu */
.comment-form-section {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

/* ============================================================
   20. İLGİLİ HİZMETLER / İLGİLİ BLOGLAR
   ============================================================ */
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

/* ============================================================
   21. FOOTER
   ============================================================ */
#footer {
  background: var(--color-dark);
  padding: var(--spacing-xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  margin-top: var(--spacing-sm);
  line-height: 1.8;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.social-link:hover {
  background: var(--gradient-secondary);
  border-color: transparent;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-cyan);
}

.footer-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--gradient-secondary);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.footer-links a::before {
  content: '›';
  color: var(--color-secondary);
  font-size: 18px;
  line-height: 1;
}

.footer-links a:hover {
  color: var(--color-secondary);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
}

.footer-contact-icon {
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 16px;
}

.footer-bottom {
  padding: var(--spacing-md) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-bottom p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

/* ============================================================
   22. BACK TO TOP
   ============================================================ */
#back-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-md);
  width: 52px;
  height: 52px;
  background: var(--gradient-secondary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  box-shadow: var(--shadow-cyan);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: var(--z-overlay);
}

#back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* ============================================================
   23. HAKKIMIZDA, VİZYON, MİSYON SAYFALARI
   ============================================================ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.team-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.team-card-img {
  height: 260px;
  overflow: hidden;
}

.team-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.team-card:hover .team-card-img img {
  transform: scale(1.05);
}

.team-card-body {
  padding: var(--spacing-md);
}

.team-card-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.team-card-role {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  font-weight: 500;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.value-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-secondary);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(6, 182, 212, 0.2);
}

.value-icon {
  width: 72px;
  height: 72px;
  background: rgba(6, 182, 212, 0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
  font-size: 32px;
  color: var(--color-secondary);
  transition: all var(--transition-base);
}

.value-card:hover .value-icon {
  background: var(--gradient-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-cyan);
}

.value-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.value-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================================
   24. REFERANSLAR
   ============================================================ */
.references-section {
  background: var(--color-bg);
  padding: var(--spacing-xl) 0;
}

.references-slider {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: hidden;
  position: relative;
}

.reference-logo {
  flex-shrink: 0;
  width: 160px;
  height: 80px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  filter: grayscale(1) opacity(0.6);
  transition: all var(--transition-base);
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.reference-logo:hover {
  filter: grayscale(0) opacity(1);
  box-shadow: var(--shadow-md);
  border-color: rgba(6, 182, 212, 0.2);
}

/* ============================================================
   25. GENEL YARDIMCILAR
   ============================================================ */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }

.separator {
  width: 60px;
  height: 3px;
  background: var(--gradient-secondary);
  border-radius: var(--radius-full);
  margin: var(--spacing-sm) auto;
}

.separator--left { margin-left: 0; }

/* Tag/Badge */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.tag--cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--color-secondary);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

/* ============================================================
   26. SCROLL REVEAL (reveal sınıfı)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"] {
  transform: translateX(-30px);
}

[data-reveal="left"].revealed {
  transform: translateX(0);
}

[data-reveal="right"] {
  transform: translateX(30px);
}

[data-reveal="right"].revealed {
  transform: translateX(0);
}

[data-reveal="scale"] {
  transform: scale(0.95);
}

[data-reveal="scale"].revealed {
  transform: scale(1);
}