/* ============================================
   AK FÜZYON - Design System
   Electrofusion Welding Services - Malatya
   ============================================ */

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

/* ============================================
   CSS VARIABLES (DESIGN TOKENS)
   ============================================ */
:root {
  --primary-rgb: 27, 42, 74;
  --accent-rgb: 232, 107, 44;
  --gold-rgb: 212, 168, 67;
  /* ---- Primary Palette ---- */
  --primary: #1B2A4A;
  --primary-text: #FFFFFF;
  --primary-light: #2A3F6A;
  --primary-dark: #0F1923;
  --accent: #E86B2C;
  --accent-text: #FFFFFF;
  --accent-light: #F08A54;
  --accent-dark: #C75A22;
  --gold: #D4A843;

  /* ---- Neutrals ---- */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F7FA;
  --bg-tertiary: #EEF1F5;
  --text-primary: #2D3436;
  --text-secondary: #636E72;
  --text-muted: #B2BEC3;
  --border-color: #DFE6E9;
  --card-bg: #FFFFFF;
  --card-shadow: 0 4px 24px rgba(var(--primary-rgb), 0.08);
  --card-shadow-hover: 0 12px 40px rgba(var(--primary-rgb), 0.15);

  /* ---- Header / Footer ---- */
  --header-bg: #FFFFFF;
  --header-text: #2D3436;
  --topbar-bg: var(--primary-dark);
  --topbar-text: #FFFFFF;
  --footer-bg: #0F1923;
  --footer-text: #B2BEC3;
  --footer-heading: #FFFFFF;

  /* ---- Overlay ---- */
  --overlay-dark: rgba(15, 25, 35, 0.7);
  --overlay-gradient: linear-gradient(135deg, rgba(15, 25, 35, 0.85) 0%, rgba(var(--primary-rgb), 0.4) 100%);

  /* ---- Typography ---- */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* ---- Spacing ---- */
  --section-padding: 100px;
  --container-width: 1200px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;

  /* ---- Transitions ---- */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   DARK MODE TOKENS
   ============================================ */
[data-theme="dark"] {
  --bg-primary: #0F1923;
  --bg-secondary: #162030;
  --bg-tertiary: #1B2A4A;
  --text-primary: #E0E0E0;
  --text-secondary: #A0AEC0;
  --text-muted: #718096;
  --border-color: #2D3748;
  --card-bg: #1B2A4A;
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5);
  --header-bg: #0F1923;
  --header-text: #E0E0E0;
  --topbar-bg: #0F1923;
  --topbar-text: #E0E0E0;
  --overlay-dark: rgba(10, 15, 25, 0.85);
}

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

html, body {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
  transition: color 0.4s ease;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
  color: #FFFFFF;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  transition: color 0.4s ease;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.responsive-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.responsive-flex-col {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
@media (min-width: 992px) {
  .responsive-flex-col {
    flex-direction: row;
  }
}

.section {
  padding: var(--section-padding) 0;
  transition: background-color 0.4s ease;
}

.section--alt {
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-header p {
  max-width: 600px;
  margin: 20px auto 0;
  font-size: 1.05rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-transform: none;
  letter-spacing: 0.3px;
}

.btn--primary {
  background: var(--accent);
  color: var(--accent-text, #FFFFFF);
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--btn-shadow);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn--white {
  background: #FFFFFF;
  color: var(--primary);
  border-color: #FFFFFF;
}

.btn--white:hover {
  background: transparent;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.animate-left {
  transform: translateX(-40px);
}

.animate-on-scroll.animate-left.animated {
  transform: translateX(0);
}

.animate-on-scroll.animate-right {
  transform: translateX(40px);
}

.animate-on-scroll.animate-right.animated {
  transform: translateX(0);
}

.animate-on-scroll.animate-scale {
  transform: scale(0.9);
}

.animate-on-scroll.animate-scale.animated {
  transform: scale(1);
}

/* Staggered delay for grid items */
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
  background: var(--topbar-bg);
  color: var(--topbar-text);
  padding: 8px 0;
  font-size: 0.85rem;
  position: relative;
  z-index: 1001;
  transition: var(--transition);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar__contact {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar__contact a {
  color: var(--topbar-text);
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
}

.top-bar__contact a:hover {
  opacity: 1;
  color: var(--accent-light);
}

.top-bar__contact i {
  font-size: 0.9rem;
}

.top-bar__social {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-bar__social a {
  color: var(--topbar-text);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  transition: var(--transition);
}

.top-bar__social a:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.header {
  background: var(--header-bg);
  position: sticky;
  top: 0;
  z-index: 10000;
  transition: var(--transition);
  border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .header.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0;
  padding-bottom: 0;
  min-height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo__icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.2rem;
  font-weight: 800;
  font-family: var(--font-display);
}

.logo__text {
  display: flex;
  flex-direction: column;
}

.logo__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary);
  line-height: 1.1;
  letter-spacing: -0.5px;
  transition: color 0.4s ease;
}

[data-theme="dark"] .logo__name {
  color: #FFFFFF;
}

.logo__tagline {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  padding: 8px 10px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--header-text);
  border-radius: var(--border-radius-sm);
  position: relative;
  transition: var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  transform: rotate(30deg) scale(1.1);
}

.theme-toggle .fa-sun { display: none; }
.theme-toggle .fa-moon { display: inline; }

[data-theme="dark"] .theme-toggle .fa-sun { display: inline; }
[data-theme="dark"] .theme-toggle .fa-moon { display: none; }

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SLIDER
   ============================================ */
.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
  background: var(--primary-dark);
}

.hero__slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero__slide.active {
  opacity: 1;
}

.hero__slide-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-gradient);
}

.hero__content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  z-index: 2;
}

.hero__text {
  max-width: 650px;
  color: #FFFFFF;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--accent-rgb), 0.2);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  padding: 8px 18px;
  border-radius: var(--border-radius-lg);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__title span {
  color: var(--accent-light);
}

.hero__desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Slider Controls */
.hero__controls {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  gap: 12px;
  z-index: 5;
}

.hero__control-btn {
  width: 50px;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: #FFFFFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.hero__control-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
}

/* Slider Dots */
.hero__dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 5;
}

.hero__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.hero__dot.active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
}

/* ============================================
   FEATURES SECTION (4 BOXES)
   ============================================ */
.features {
  padding: 80px 0;
  background: var(--bg-primary);
  transition: background-color 0.4s ease;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--border-radius);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.1), rgba(var(--gold-rgb), 0.1));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent);
  transition: var(--transition);
}

.feature-card:hover .feature-card__icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #FFFFFF;
  transform: scale(1.1) rotate(5deg);
}

.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card__text {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
  transition: background-color 0.4s ease;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__image-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.about__image {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  transition: transform 0.5s ease;
}

.about__image-wrapper:hover .about__image {
  transform: scale(1.05);
}

.about__image-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--accent);
  color: #FFFFFF;
  padding: 16px 24px;
  border-radius: var(--border-radius);
  font-family: var(--font-display);
  z-index: 2;
}

.about__image-badge strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}

.about__image-badge span {
  font-size: 0.85rem;
  opacity: 0.9;
}

.about__subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.about__title {
  margin-bottom: 24px;
}

.about__text {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.about__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.about__highlight {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--text-primary);
}

.about__highlight i {
  color: var(--accent);
  font-size: 1rem;
}

/* ============================================
   SERVICES / APPLICATIONS SECTION
   ============================================ */
.services {
  padding: var(--section-padding) 0;
  background: var(--bg-primary);
  transition: background-color 0.4s ease;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--border-radius-sm);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: default;
}

.service-item:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.05);
  transform: translateX(4px);
}

[data-theme="dark"] .service-item:hover {
  background: rgba(var(--accent-rgb), 0.1);
}

.service-item__icon {
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.service-item__text {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* ============================================
   CTA / PARALLAX BANNER
   ============================================ */
.cta-banner {
  position: relative;
  padding: 100px 0;
  background-image: url('../images/hero-slide-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.cta-banner__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-dark);
}

.cta-banner__content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #FFFFFF;
}

.cta-banner__title {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-banner__text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   REFERENCES SECTION
   ============================================ */
.references {
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
  transition: background-color 0.4s ease;
}

.references__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.references__text {
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.reference-logo {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  transition: var(--transition);
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
}

.reference-logo:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow);
}

/* ============================================
   MAP SECTION
   ============================================ */
.map-section {
  background: var(--bg-primary);
  transition: background-color 0.4s ease;
}

.map-section iframe {
  width: 100%;
  height: 400px;
  border: none;
  filter: grayscale(20%);
  transition: filter 0.3s ease;
}

.map-section iframe:hover {
  filter: grayscale(0%);
}

[data-theme="dark"] .map-section iframe {
  filter: grayscale(30%) invert(92%) hue-rotate(180deg);
}

[data-theme="dark"] .map-section iframe:hover {
  filter: grayscale(0%) invert(92%) hue-rotate(180deg);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 80px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__heading {
  color: var(--footer-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer__heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
}

.footer__about-text {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--footer-text);
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer__social a:hover {
  background: var(--accent);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a {
  color: var(--footer-text);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.footer__links a:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}

.footer__links a i {
  font-size: 0.7rem;
  color: var(--accent);
}

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer__contact li i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
  flex-shrink: 0;
}

.footer__bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer__bottom span {
  color: var(--accent-light);
  font-weight: 600;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 1.6rem;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ============================================
   PAGE BANNER (Inner Pages)
   ============================================ */
.page-banner {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-banner__title {
  color: #FFFFFF;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
}

.page-banner__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.page-banner__breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

.page-banner__breadcrumb a:hover {
  color: var(--accent-light);
}

.page-banner__breadcrumb span {
  color: var(--accent-light);
}

.page-banner__breadcrumb i {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.7rem;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--card-bg);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

/* ============================================
   SERVICE CARDS (Hizmetler Page)
   ============================================ */
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: transparent;
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.1), rgba(var(--gold-rgb), 0.05));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-card__icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #FFFFFF;
}

.service-card__title {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================
   STATS COUNTER
   ============================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding: 60px 0;
}

.stat-item {
  text-align: center;
}

.stat-item__number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-item__label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 991px) {
  :root {
    --section-padding: 70px;
  }

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

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__image {
    height: 350px;
  }

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

  .references__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .hero {
    height: 500px;
  }
}

/* Mobile */
@media (max-width: 767px) {
  :root {
    --section-padding: 50px;
  }

  /* Top Bar */
  .top-bar__contact {
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.78rem;
  }

  .top-bar__social {
    display: none;
  }

  /* Header */
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--header-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 80px 24px 40px;
    gap: 4px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
    z-index: 10001;
    overflow-y: auto;
  }

  .nav__menu.open {
    right: 0;
  }

  .nav__link {
    padding: 14px 16px;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .mobile-toggle {
    display: flex;
  }

  /* Mobile menu overlay */
  .mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
  }

  /* Hero */
  .hero {
    height: 500px;
  }

  .hero__title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .hero__desc {
    font-size: 0.95rem;
  }

  .hero__content {
    padding-bottom: 80px;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .hero__buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__controls {
    bottom: 20px;
    right: 20px;
  }

  .hero__dots {
    bottom: 20px;
  }

  /* Features */
  .features__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .feature-card {
    padding: 30px 20px;
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
  }

  /* About */
  .about__image {
    height: 280px;
  }

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

  /* References */
  .references__logos {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  /* Stats */
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  /* CTA */
  .cta-banner {
    padding: 60px 0;
    background-attachment: scroll;
  }

  /* Map */
  .map-section iframe {
    height: 300px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero {
    height: 450px;
  }

  .hero__badge {
    font-size: 0.7rem;
    padding: 6px 14px;
  }

  .top-bar .container {
    flex-direction: column;
    gap: 4px;
  }

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

/* ============================================
   MISCELLANEOUS
   ============================================ */

/* Selection color */
::selection {
  background: var(--accent);
  color: #FFFFFF;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Smooth scrollbar for dark mode */
[data-theme="dark"]::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

[data-theme="dark"]::-webkit-scrollbar-thumb {
  background: var(--primary-light);
}

/* ============================================
   SERVICES PAGE - Cards Grid
   ============================================ */
.services-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

@media (max-width: 767px) {
  .services-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   CONTACT PAGE - Two Column Layout
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--border-radius-sm);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.contact-info-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.1), rgba(var(--gold-rgb), 0.05));
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-card__content h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-info-card__content p {
  font-size: 0.9rem;
  margin: 0;
}

@media (max-width: 767px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   MISYON / VIZYON CARDS
   ============================================ */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

@media (max-width: 767px) {
  .mv-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   REFERENCE CATEGORY CARDS GRID
   ============================================ */
.ref-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

@media (max-width: 767px) {
  .ref-cards-grid {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   THEMATIC LAYOUT STRUCTURES
   ============================================ */

/* 1. Geleneksel & Kitapsı Düzen (Merkezcil Layout) */
[data-color-theme="nemrut"] .header .container,
[data-color-theme="zeytin"] .header .container,
[data-color-theme="kapadokya"] .header .container,
[data-color-theme="harran"] .header .container {
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    padding: 20px 0;
}
[data-color-theme="nemrut"] .logo,
[data-color-theme="zeytin"] .logo,
[data-color-theme="kapadokya"] .logo,
[data-color-theme="harran"] .logo {
    align-items: center;
    text-align: center;
}
[data-color-theme="nemrut"] .logo__text,
[data-color-theme="zeytin"] .logo__text,
[data-color-theme="kapadokya"] .logo__text,
[data-color-theme="harran"] .logo__text {
    font-size: 2.2rem;
}
[data-color-theme="nemrut"] .nav,
[data-color-theme="zeytin"] .nav,
[data-color-theme="kapadokya"] .nav,
[data-color-theme="harran"] .nav {
    width: 100%;
    justify-content: center;
}
[data-color-theme="nemrut"] .footer .footer__grid,
[data-color-theme="zeytin"] .footer .footer__grid,
[data-color-theme="kapadokya"] .footer .footer__grid,
[data-color-theme="harran"] .footer .footer__grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 40px;
}
[data-color-theme="nemrut"] .footer__col,
[data-color-theme="zeytin"] .footer__col,
[data-color-theme="kapadokya"] .footer__col,
[data-color-theme="harran"] .footer__col {
    align-items: center;
}
[data-color-theme="nemrut"] .footer__social,
[data-color-theme="zeytin"] .footer__social,
[data-color-theme="kapadokya"] .footer__social,
[data-color-theme="harran"] .footer__social {
    justify-content: center;
}

/* 2. Endüstriyel & Teknolojik Düzen (Kompakt ve Koyu Layout) */
[data-color-theme="endustriyel"] .header,
[data-color-theme="oltu"] .header,
[data-color-theme="kayisi"] .header {
    background: var(--primary-dark);
    border-bottom: 2px solid var(--accent);
}
[data-color-theme="endustriyel"] .header .logo__text,
[data-color-theme="oltu"] .header .logo__text,
[data-color-theme="kayisi"] .header .logo__text {
    color: #FFFFFF;
}
[data-color-theme="endustriyel"] .header .logo__tagline,
[data-color-theme="oltu"] .header .logo__tagline,
[data-color-theme="kayisi"] .header .logo__tagline {
    color: var(--accent);
}
[data-color-theme="endustriyel"] .nav__link,
[data-color-theme="oltu"] .nav__link,
[data-color-theme="kayisi"] .nav__link {
    color: #FFFFFF;
}
[data-color-theme="endustriyel"] .nav__link.active,
[data-color-theme="oltu"] .nav__link.active,
[data-color-theme="kayisi"] .nav__link.active {
    color: var(--accent-light);
    background: transparent;
    border-bottom: 2px solid var(--accent-light);
    border-radius: 0;
}
[data-color-theme="endustriyel"] .nav__link:hover,
[data-color-theme="oltu"] .nav__link:hover,
[data-color-theme="kayisi"] .nav__link:hover {
    color: var(--accent-light);
}
[data-color-theme="endustriyel"] .top-bar,
[data-color-theme="oltu"] .top-bar,
[data-color-theme="kayisi"] .top-bar {
    display: none;
}
[data-color-theme="endustriyel"] .header,
[data-color-theme="oltu"] .header,
[data-color-theme="kayisi"] .header {
    top: 0 !important; /* Top bar removed, header should sit at top */
}

[data-color-theme="endustriyel"] .footer,
[data-color-theme="oltu"] .footer,
[data-color-theme="kayisi"] .footer {
    border-top: 5px solid var(--accent);
}
@media (min-width: 992px) {
    [data-color-theme="endustriyel"] .footer__grid,
    [data-color-theme="oltu"] .footer__grid,
    [data-color-theme="kayisi"] .footer__grid {
        grid-template-columns: 2fr 1fr;
    }
    [data-color-theme="endustriyel"] .footer__col:nth-child(2),
    [data-color-theme="endustriyel"] .footer__col:nth-child(3),
    [data-color-theme="oltu"] .footer__col:nth-child(2),
    [data-color-theme="oltu"] .footer__col:nth-child(3),
    [data-color-theme="kayisi"] .footer__col:nth-child(2),
    [data-color-theme="kayisi"] .footer__col:nth-child(3) {
        display: none;
    }
}

/* ============================================
   CHATBOT UI
   ============================================ */
.chatbot-wrapper {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 10005;
  font-family: var(--font-primary);
}

.chatbot-window {
  width: 380px;
  max-width: 90vw;
  height: 520px;
  max-height: 80vh;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  overflow: hidden;
  display: flex; /* overridden by inline style none initially */
  flex-direction: column;
  transform: scale(0);
  opacity: 0;
  transform-origin: bottom right;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.chatbot-header {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-header-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.chatbot-avatar {
  width: 45px;
  height: 45px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.3);
}

.chatbot-header h4 {
  margin: 0;
  font-size: 1.2rem;
  color: white;
}

.chatbot-header span {
  font-size: 0.8rem;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 5px;
}

.chatbot-close {
  background: none;
  border: none;
  color: white;
  font-size: 1.4rem;
  cursor: pointer;
  opacity: 0.7;
  transition: 0.2s;
}
.chatbot-close:hover {
  opacity: 1;
  transform: scale(1.1);
}

.chatbot-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.chatbot-message {
  display: flex;
  gap: 10px;
  max-width: 85%;
  animation: slideUpFade 0.3s forwards;
}

@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.chatbot-message-bot {
  align-self: flex-start;
}

.chatbot-message-user {
  align-self: flex-end;
  justify-content: flex-end;
  width: 100%;
}

.chatbot-message-avatar {
  width: 30px;
  height: 30px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 5px;
}

.chatbot-message-bot .chatbot-message-text {
  background: var(--card-bg);
  padding: 14px 18px;
  border-radius: 4px 16px 16px 16px;
  font-size: 0.95rem;
  line-height: 1.5;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.chatbot-message-user .chatbot-message-text {
  background: linear-gradient(135deg, var(--accent), var(--primary));
  color: white;
  padding: 14px 18px;
  border-radius: 16px 4px 16px 16px;
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 85%;
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.2);
}

.chatbot-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 8px 16px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: 0.2s;
}
.chatbot-link:hover {
  background: var(--accent);
  color: white;
}

.chatbot-form {
  padding: 15px 20px;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 12px;
  align-items: center;
}

.chatbot-input {
  flex: 1;
  padding: 14px 20px;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.2s;
}
.chatbot-input:focus {
  border-color: var(--accent);
}

.chatbot-submit {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.3);
  transition: transform 0.2s;
}
.chatbot-submit:hover {
  transform: scale(1.08);
}

.chatbot-footer {
  text-align: center;
  padding: 10px;
  background: var(--card-bg);
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

.chatbot-toggle-btn {
  position: fixed;
  bottom: 90px;
  right: 20px;
  z-index: 10005;
  width: 65px;
  height: 65px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 2rem;
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(var(--accent-rgb), 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.chatbot-toggle-btn:hover {
  transform: scale(1.1);
}

/* Chatbot Mobile Fullscreen */
@media (max-width: 767px) {
  .chatbot-window {
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100vh !important;
    max-height: 100vh !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    z-index: 10005 !important;
  }
}

/* ============================================
   ADVANCED THEMATIC AESTHETICS
   ============================================ */

/* 1. Global Variables for Animation */
:root {
    --transition-speed: 0.3s;
    --transition-timing: ease;
    --entry-animation: fadeUp 0.8s ease forwards;
}
[data-color-theme="nemrut"],
[data-color-theme="zeytin"],
[data-color-theme="kapadokya"],
[data-color-theme="harran"] {
    --transition-speed: 0.5s;
    --transition-timing: ease-in-out;
    --entry-animation: slowFadeIn 1.2s ease forwards;
}
[data-color-theme="endustriyel"],
[data-color-theme="oltu"],
[data-color-theme="kayisi"] {
    --transition-speed: 0.15s;
    --transition-timing: linear;
    --entry-animation: sharpSlide 0.5s cubic-bezier(0.1, 0.9, 0.2, 1) forwards;
}

/* Apply Transition Speed Globally */
a, .btn, .service-card, .product-card, .nav__link {
    transition: all var(--transition-speed) var(--transition-timing) !important;
}

/* 2. Text Selection Color */
::selection {
    background: var(--accent);
    color: #fff;
}
[data-color-theme="endustriyel"] ::selection,
[data-color-theme="oltu"] ::selection {
    background: var(--accent-light);
    color: var(--primary-dark);
}

/* 3. Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: var(--border-radius-lg);
    border: 3px solid var(--bg-secondary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}
/* Sharp Scrollbars for Industrial */
[data-color-theme="endustriyel"] ::-webkit-scrollbar,
[data-color-theme="oltu"] ::-webkit-scrollbar {
    width: 6px;
}
[data-color-theme="endustriyel"] ::-webkit-scrollbar-thumb,
[data-color-theme="oltu"] ::-webkit-scrollbar-thumb {
    border-radius: 0;
    border: none;
    background: var(--accent-dark);
}
[data-color-theme="endustriyel"] ::-webkit-scrollbar-track,
[data-color-theme="oltu"] ::-webkit-scrollbar-track {
    background: var(--primary-dark);
}

/* 4. Micro Textures via Body::before */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
}
/* Kapadokya & Nemrut - Sand/Noise Texture */
[data-color-theme="kapadokya"] body::before,
[data-color-theme="nemrut"] body::before {
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    mix-blend-mode: multiply;
}
/* Endustriyel & Oltu - Grid Texture */
[data-color-theme="endustriyel"] body::before,
[data-color-theme="oltu"] body::before {
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 1;
}

/* 5. Page Entry Animations */
body {
    opacity: 0; /* Starts hidden */
}
body.is-loaded {
    animation: var(--entry-animation);
}

@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(15px); }
    100% { opacity: 1; transform: translateY(0); }
}
@keyframes slowFadeIn {
    0% { opacity: 0; filter: blur(3px); }
    100% { opacity: 1; filter: blur(0); }
}
@keyframes sharpSlide {
    0% { opacity: 0; transform: translateX(-20px) skewX(1deg); }
    100% { opacity: 1; transform: translateX(0) skewX(0); }
}


/* Theme Toggle & Mobile Toggle Overrides for Dark Headers */
[data-color-theme="endustriyel"] .theme-toggle,
[data-color-theme="oltu"] .theme-toggle,
[data-color-theme="kayisi"] .theme-toggle {
    color: #FFFFFF;
}

[data-color-theme="endustriyel"] .mobile-toggle span,
[data-color-theme="oltu"] .mobile-toggle span,
[data-color-theme="kayisi"] .mobile-toggle span {
    background-color: #FFFFFF;
}

[data-color-theme="endustriyel"] .theme-toggle:hover,
[data-color-theme="oltu"] .theme-toggle:hover,
[data-color-theme="kayisi"] .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
}


/* Dark Mode Top Bar Synchronization */
[data-theme="dark"] .top-bar {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}


/* ============================================
   GLOBAL HEADER LAYOUTS
   ============================================ */

/* LAYOUT 2: Renkli Arka Plan */
[data-header-layout="2"] .header {
    background: var(--primary-dark) !important;
    border-bottom: 2px solid var(--accent) !important;
    top: 0 !important;
}
[data-header-layout="2"] .header .logo__text {
    color: #FFFFFF !important;
}
[data-header-layout="2"] .header .logo__tagline {
    color: var(--accent) !important;
}
@media (min-width: 992px) {
    [data-header-layout="2"] .nav__link {
        color: #FFFFFF !important;
    }
    [data-header-layout="2"] .nav__link:hover,
    [data-header-layout="2"] .nav__link.active {
        color: var(--accent) !important;
    }
    [data-header-layout="2"] .theme-toggle,
    [data-header-layout="2"] .nav__toggle {
        color: #FFFFFF !important;
    }
}

/* LAYOUT 3: Ortalanmış (Logo Üstte, Menü Altta) */
@media (min-width: 992px) {
    [data-header-layout="3"] .header .container {
        flex-direction: column !important;
        justify-content: center !important;
        padding-top: 15px !important;
        padding-bottom: 5px !important;
    }
    [data-header-layout="3"] .nav {
        margin-top: 15px !important;
        width: 100% !important;
    }
    [data-header-layout="3"] .nav__menu {
        justify-content: center !important;
        width: 100% !important;
    }
    [data-header-layout="3"] .logo {
        margin: 0 auto !important;
    }
}

/* Responsive Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 20px;
}
.table-responsive table {
  width: 100%;
  min-width: 600px;
}