/* CSS Custom Properties for Theme Support */
:root {
  /* Light theme colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-secondary: #64748b;
  --color-accent: #f59e0b;
  
  --color-background: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-hover: #f1f5f9;
  
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  
  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;
  
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 4rem;
}

/* Dark theme colors */
[data-theme="dark"] {
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-secondary: #94a3b8;
  --color-accent: #fbbf24;
  
  --color-background: #0f172a;
  --color-surface: #1e293b;
  --color-surface-hover: #334155;
  
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-muted: #94a3b8;
  
  --color-border: #334155;
  --color-border-hover: #475569;
  
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-error: #f87171;
}

/* Reset and base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-hover);
}

/* Layout */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.site-header {
  position: relative;
  z-index: 100;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  height: calc(var(--header-height) + 1.5rem);
  padding: var(--spacing-md) 0;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1e3px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  gap: var(--spacing-xl);
}

.navbar-brand {
  flex-shrink: 0;
}

.navbar-brand .brand-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
}

/* Placeholder images for development */
.brand-logo {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
  pointer-events: none; /* Resme tıklamayı engelle */
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-logo::before {
  content: '👤';
  font-size: 1.3rem;
  position: absolute;
  z-index: 1;
  color: white;
}

.brand-logo:not([src]),
.brand-logo[src=""],
.brand-logo[src*="placeholder"] {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

/* PNG profile images get white background */
.brand-logo[src$=".png"],
.brand-logo[src*=".png?"],
.brand-logo[src*=".PNG"],
.brand-logo[src^="data:image/png"] {
  background-color: white;
  padding: 2px;
}

/* JPEG/JPG profile images maintain transparency */
.brand-logo[src$=".jpg"],
.brand-logo[src$=".jpeg"],
.brand-logo[src*=".jpg?"],
.brand-logo[src*=".jpeg?"],
.brand-logo[src*=".JPG"],
.brand-logo[src*=".JPEG"] {
  background: transparent;
}

/* Service icon */
.service-icon {
  margin-bottom: var(--spacing-md);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm);
  position: relative;
}

.service-icon img {
  width: 48px;
  height: 48px;
  position: relative;
  z-index: 2;
}

/* SVG icons - no filter needed */
.service-icon img[src$=".svg"],
.service-icon img[src*=".svg?"] {
  filter: none;
}

/* PNG service icons get white background */
.service-icon img[src$=".png"],
.service-icon img[src*=".png?"],
.service-icon img[src*=".PNG"],
.service-icon img[src^="data:image/png"] {
  background-color: white;
  padding: 4px;
  border-radius: var(--radius-sm);
  filter: none;
}

/* General PNG images get white background */
img[src$=".png"],
img[src*=".png?"],
img[src*=".PNG"],
img[src^="data:image/png"] {
  background-color: white;
  border-radius: var(--radius-sm);
}

/* Override for specific cases where white background is not needed */
.hero-image img[src$=".png"],
.hero-image img[src*=".png?"],
.hero-image img[src*=".PNG"],
.hero-image img[src^="data:image/png"] {
  background-color: transparent;
}

/* SVG and other formats maintain original styling */
.service-icon img[src$=".svg"],
.service-icon img[src*=".svg?"] {
  filter: none;
  background: transparent;
}

.brand-text {
  color: var(--color-text-primary);
  flex-shrink: 0;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  flex-shrink: 0;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  margin: 2px 0;
  transition: var(--transition-fast);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-shrink: 0;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  margin: 0;
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) var(--spacing-xs);
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.nav-link.active {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
}

/* Language Selector */
.language-selector {
  position: relative;
  flex-shrink: 0;
}

.language-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.language-toggle:hover {
  border-color: var(--color-border-hover);
  background-color: var(--color-surface);
}

.language-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  list-style: none;
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 50;
}

.language-selector:hover .language-menu,
.language-selector:focus-within .language-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.language-link:hover {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-border-hover);
  background-color: var(--color-surface);
}

.theme-icon {
  transition: opacity var(--transition-fast);
}

[data-theme="light"] .theme-icon-dark,
[data-theme="dark"] .theme-icon-light {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
}

/* Homepage */
.hero-section {
  padding: var(--spacing-2xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background) 100%);
}

/* Hero Slider - Container width */
.hero-slider-65 {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.hero-slider-container {
  position: relative;
  width: 100%;
  height: 500px;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

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

.hero-slide-image {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide-image img {
  width: 100%;
  height: 100%;
  object-fit: scale-down;
  transition: transform var(--transition-slow);
}

.hero-slide:hover .hero-slide-image img {
  transform: scale(1.05);
}

.hero-slide-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-surface), var(--color-border));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 1.2rem;
}

.hero-slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: var(--spacing-xl);
  color: white;
  z-index: 5;
}

.hero-slide-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: white;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-slide-description {
  display: none;
}

.hero-slide-actions {
  display: none;
}

/* Hero Slider Navigation - Hidden */
.hero-slider-nav {
  display: none;
}

.hero-slider-btn {
  display: none;
}

/* Hero Slider Indicators - Below slider */
.hero-slider-indicators {
  position: static;
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  z-index: 10;
}

.hero-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-indicator:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: scale(1.1);
}

.hero-indicator.active {
  background: white;
  transform: scale(1.2);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.3);
}

/* Hero Text Section - Full width */
.hero-text-section {
  width: 100%;
  text-align: center;
}

.hero-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Sections */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-2xl);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-relaxed);
}

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

/* Featured sections spacing */
.featured-projects,
.featured-services {
  padding: var(--spacing-2xl) 0;
}

.featured-projects {
  background: var(--color-background);
}

.featured-services {
  background: var(--color-surface);
}

/* Page Content */
.page-content {
  padding: var(--spacing-2xl) 0;
}

.page-header {
  text-align: left;
  margin-bottom: var(--spacing-3xl);
}

.page-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* Filter Controls */
.filter-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-xl);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  transition: left var(--transition-normal);
  z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
  left: 0;
}

.filter-btn:hover,
.filter-btn.active {
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* Projects Container */
.projects-container,
.services-container {
  margin-bottom: var(--spacing-3xl);
}

/* Enhanced Grids */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Enhanced Project Cards */
.project-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-slow);
  opacity: 1;
  transform: translateY(0);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 600px;
}

/* Animation states for pages with JavaScript */
.projects-container .project-card {
  opacity: 0;
  transform: translateY(30px);
}

.projects-container .project-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-lg);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

/* Project Image Enhanced */
.project-image {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.project-image::before {
  content: '📷 Project Image';
  font-size: 0.875rem;
  color: var(--color-text-muted);
  position: absolute;
  z-index: 1;
  text-align: center;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  position: relative;
  z-index: 2;
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

/* Enhanced Project Content */
.project-content {
  padding: var(--spacing-2xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-meta {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.project-date {
  color: var(--color-text-muted);
}

.project-title {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.project-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.project-title a:hover {
  color: var(--color-primary);
}

.project-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  text-align: center;
}

.project-card-content .project-technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: auto;
  justify-content: center;
}

.project-card-content .project-technologies .tech-tag {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.project-card-content .project-technologies .tech-tag:hover {
  background: var(--color-primary-hover);
}

.project-card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--spacing-lg);
}

.tech-tag {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.tech-tag:hover {
  background: var(--color-primary-hover);
}

.tech-more {
  background: var(--color-secondary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.read-more-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.read-more-btn:hover {
  color: var(--color-primary-hover);
  transform: translateX(4px);
}

/* Enhanced Service Cards */
.service-card {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-slow);
  opacity: 1;
  transform: translateY(0);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 400px; /* Reduced height from 600px */
  border: 1px solid var(--color-border);
  text-align: center;
}

/* Dark theme service cards */
[data-theme="dark"] .service-card {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  border-color: var(--color-border);
}

/* Dark theme service icons */
[data-theme="dark"] .service-icon img {
  filter: none;
}

/* Animation states for pages with JavaScript */
.services-container .service-card {
  opacity: 0;
  transform: translateY(30px);
}

.services-container .service-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.service-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-lg);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

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

.service-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xs);
  position: relative;
  transition: transform var(--transition-normal);
  margin: 0 auto var(--spacing-md);
}

.service-card:hover .service-icon {
  transform: rotate(5deg) scale(1.1);
}

.service-icon::before {
  content: '';
  font-size: 0;
  position: absolute;
  z-index: 1;
}

.service-icon img {
  width: 40px;
  height: 40px;
  filter: none;
  position: relative;
  z-index: 2;
}

.service-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
  overflow: hidden;
}

.service-title {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  text-align: center;
}

.service-card:hover .service-title {
  color: var(--color-primary);
}

.service-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex: 1;
  margin: 0;
  text-align: center;
  font-size: var(--font-size-sm);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* Service Features */
.service-features {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.service-features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.more-features {
  font-style: italic;
  color: var(--color-text-muted);
}

/* Service Category */
.service-category {
  margin-top: auto;
  padding-top: var(--spacing-md);
}

.category-tag {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

/* Service Footer */
.service-footer {
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.service-btn {
  width: 100%;
  justify-content: center;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.service-contact {
  text-align: center;
}

.contact-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-primary);
}

/* Services CTA */
.services-cta {
  text-align: center;
  background: linear-gradient(135deg, var(--color-surface), var(--color-background));
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  margin-top: var(--spacing-3xl);
}

.services-cta h2 {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
}

.services-cta p {
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Project Single Page */
.project-single {
  padding: var(--spacing-2xl) 0;
}

.project-featured-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  min-height: 200px;
  max-height: 500px;
  overflow: hidden;
  border-radius: 16px;
  margin: 0 auto var(--spacing-2xl);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.project-featured-image img {
  width: 100%;
  height: auto;
  max-height: 500px;
  transition: transform var(--transition-slow);
  border-radius: 20px;
}

.project-featured-image:hover img {
  transform: scale(1.05);
}

.project-content,
.about-content,
.contact-content,
.service-content {
  background: var(--color-surface);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.project-content h2 {
  color: var(--color-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
}

.about-content h2,
.contact-content h2,
.service-content h2 {
  color: var(--color-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
}

.project-content h2:first-child {
  margin-top: 0;
}

.about-content h2:first-child,
.contact-content h2:first-child,
.service-content h2:first-child {
  margin-top: 0;
}

.project-content h3 {
  color: var(--color-text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
}

.about-content h3,
.contact-content h3,
.service-content h3 {
  color: var(--color-text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-xl);
}

.project-content p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.about-content p,
.contact-content p,
.service-content p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.project-content ul,
.project-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.about-content ul,
.about-content ol,
.contact-content ul,
.contact-content ol,
.service-content ul,
.service-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.project-content li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

.about-content li,
.contact-content li,
.service-content li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

.project-technologies-section {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 2px solid var(--color-border);
  text-align: center;
}

.technologies-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
}

.project-technologies-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.project-technologies-list .tech-tag {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.project-technologies-list .tech-tag:hover {
  background: var(--color-primary-hover);
}

/* About, Contact and Service Pages */
.about-single,
.contact-single,
.service-single {
  padding: var(--spacing-2xl) 0;
}

.page-featured-image {
  width: 100%;
  max-width: 500px;
  height: 300px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

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

.page-featured-image:hover img {
  transform: scale(1.05);
}

.cv-download {
  text-align: center;
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.contact-channels-section {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.service-contact-section {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.contact-channels-title,
.service-contact-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.contact-channels-list,
.service-contact-channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  max-width: 600px;
  margin: 0 auto;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.contact-channel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.channel-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.channel-name {
  font-weight: var(--font-weight-medium);
}

/* Load More */
.load-more-container {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

.load-more-btn {
  transition: all var(--transition-normal);
}

.load-more-btn:hover {
  transform: translateY(-2px);
}

/* No Content States */
.no-projects,
.no-services {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
}

/* About Preview */
.about-preview {
  background: var(--color-surface);
  padding: var(--spacing-3xl) 0;
}

.about-preview-content {
  text-align: center;
  margin: 0 auto;
}

.about-content {
  text-align: left;
  margin: 0 auto;
}

.about-text {
  max-width: none;
}

.about-summary {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.about-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Contact Channels Float */
.contact-channels-float {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 50;
}

.contact-float {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  color: white;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.whatsapp-float {
  background-color: #25d366;
}

.whatsapp-float:hover {
  background-color: #128c7e;
  transform: scale(1.1);
}

.zalo-float {
  background-color: #0068ff;
}

.zalo-float:hover {
  background-color: #0052cc;
  transform: scale(1.1);
}

.email-float {
  background-color: var(--color-primary);
}

.email-float:hover {
  background-color: var(--color-primary-hover);
  transform: scale(1.1);
}

.youtube-float {
  background-color: #ff0000;
}

.youtube-float:hover {
  background-color: #cc0000;
  transform: scale(1.1);
}

.telegram-float {
  background-color: #0088cc;
}

.telegram-float:hover {
  background-color: #006699;
  transform: scale(1.1);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.footer-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: white;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.social-link:hover {
  transform: translateY(-2px) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.social-link.whatsapp {
  background-color: #25d366;
}

.social-link.whatsapp:hover {
  background-color: #128c7e;
  color: white;
}

.social-link.zalo {
  background-color: #0068ff;
}

.social-link.zalo:hover {
  background-color: #0052cc;
  color: white;
}

.social-link.youtube {
  background-color: #ff0000;
}

.social-link.youtube:hover {
  background-color: #cc0000;
  color: white;
}

.social-link.telegram {
  background-color: #0088cc;
}

.social-link.telegram:hover {
  background-color: #006699;
  color: white;
}

.social-link.email {
  background-color: var(--color-primary);
}

.social-link.email:hover {
  background-color: var(--color-primary-hover);
  color: white;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  padding: var(--spacing-xs) 0;
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-links a::before {
  content: '→';
  margin-right: var(--spacing-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.footer-links a:hover::before {
  opacity: 1;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
}

.contact-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.contact-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-item a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

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

.copyright {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}

.admin-link {
  opacity: 0.7;
  font-size: var(--font-size-xs) !important;
}

/* Service Detail Pages */
.service-header-detail {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
  padding: var(--spacing-2xl);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
}

.service-icon-large {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
}

.service-icon-large img {
  width: 80px;
  height: 80px;
  filter: brightness(0) invert(1);
}

.service-header-content {
  flex: 1;
}

.service-title-large {
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.service-description-large {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.service-detail-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.service-main-content {
  background: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
}

.service-main-content h2 {
  color: var(--color-primary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.service-main-content h2:first-child {
  margin-top: 0;
}

.service-main-content ul {
  list-style: none;
  padding: 0;
}

.service-main-content li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.service-main-content li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-cta-box {
  background: linear-gradient(135deg, var(--color-surface), var(--color-background));
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
  height: fit-content;
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-lg));
}

.service-cta-box h3 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.service-contact-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.service-navigation {
  text-align: center;
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar {
    height: var(--header-height);
    padding: var(--spacing-xs) 0;
  }
  
  .navbar-container {
    justify-content: space-between;
    max-width: none;
    gap: var(--spacing-md);
  }
  
  .navbar-brand .brand-link {
    font-size: var(--font-size-xl);
  }
  
  .brand-logo {
    width: 40px;
    height: 40px;
  }
  
  .brand-logo::before {
    font-size: 1.2rem;
  }
  
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    border-top: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    gap: var(--spacing-lg);
  }
  
  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navbar-nav {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
  }
  
  .nav-link {
    font-size: var(--font-size-base);
    padding: var(--spacing-sm) 0;
  }
  
  .hero-section {
    flex-direction: column;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
  }
  
  .hero-slider-65 {
    width: 100%;
    margin: 0 var(--spacing-md);
    max-width: calc(100% - 2 * var(--spacing-md));
  }
  
  .hero-slider-container {
    height: 250px;
  }
  
  .hero-text-section {
    width: 100%;
  }
  
  .hero-indicator {
    width: 10px;
    height: 10px;
  }
  
  .hero-slide-overlay {
    padding: var(--spacing-md);
  }
  
  .hero-slide-title {
    font-size: var(--font-size-lg);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-actions .btn {
    width: 200px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Mobile project cards like service cards */
  .project-card {
    transform: scale(1) !important;
    border: 1px solid var(--color-border);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: auto;
    max-width: 400px;
    margin: 0 auto;
  }
  
  .project-image {
    height: 200px;
    margin-bottom: 0;
  }
  
  .project-content {
    padding: var(--spacing-xl);
    flex: 1;
  }
  
  .project-title {
    margin-bottom: var(--spacing-lg);
  }
  
  .project-description {
    margin-bottom: var(--spacing-lg);
    -webkit-line-clamp: unset;
    line-clamp: unset;
    display: block;
  }
  
  .project-technologies {
    justify-content: center;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .filter-controls {
    gap: var(--spacing-xs);
  }
  
  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .service-card {
    padding: var(--spacing-lg);
    max-width: 350px;
    margin: 0 auto;
  }
  
  .service-icon {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
  }
  
  .service-icon img {
    width: 32px;
    height: 32px;
    filter: none;
  }
  
  .services-cta {
    padding: var(--spacing-2xl);
  }
  
  .project-links {
    gap: var(--spacing-md);
  }
  
  .project-link {
    padding: var(--spacing-sm);
  }
  
  .about-actions {
    justify-content: center;
  }
  
  .contact-channels-float {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
  }
  
  .contact-float {
    width: 48px;
    height: 48px;
  }
  
  .service-header-detail {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .service-icon-large {
    width: 100px;
    height: 100px;
  }
  
  .service-detail-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .service-cta-box {
    position: static;
  }
  
  /* Project Single Mobile */
  .project-featured-image {
    margin: 0 auto var(--spacing-lg);
  }
  
  .project-content,
  .service-content {
    padding: var(--spacing-xl);
  }
  
  .project-technologies-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
  }
  
  .project-technologies-list {
    gap: var(--spacing-xs);
  }
  
  .project-technologies-list .tech-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  /* About, Contact and Service Mobile */
  .page-featured-image {
    margin: 0 auto var(--spacing-lg);
  }
  
  .cv-download {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
  }
  
  .contact-channels-section,
  .service-contact-section {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
  }
  
  .contact-channels-list,
  .service-contact-channels {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .contact-channel {
    padding: var(--spacing-md);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Print styles */
@media print {
  .site-header,
  .contact-channels-float,
  .site-footer {
    display: none;
  }
  
  body {
    color: black;
    background: white;
  }
}


/* ===== Base64 Images & Video Embeds ===== */
.base64-figure,
.image-figure {
    margin: 1.5rem 0;
    text-align: center;
}

.base64-figure img,
.image-figure img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.base64-figure figcaption,
.image-figure figcaption {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted, #6b7280);
    font-style: italic;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 1.5rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 12px;
}

/* Project body content styling */
.project-body {
    line-height: 1.8;
    font-size: 1.1rem;
}

.project-body p {
    margin-bottom: 1.25rem;
}

.project-body h2,
.project-body h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.project-body ul,
.project-body ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.project-body li {
    margin-bottom: 0.5rem;
}




/* ===== Enhanced Mobile Styles for Projects ===== */
@media (max-width: 768px) {
  /* Filter buttons mobile - horizontal scroll */
  .filter-controls {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: var(--spacing-xs);
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
  }
  
  .filter-controls::-webkit-scrollbar {
    display: none;
  }
  
  .filter-btn {
    flex-shrink: 0;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
  }
  
  /* Project cards mobile - full width */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .project-card {
    height: auto;
    max-width: 100%;
    margin: 0;
  }
  
  .project-image {
    height: 200px;
  }
  
  .project-card-content {
    padding: var(--spacing-md);
  }
  
  .project-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
  }
  
  .project-description {
    font-size: var(--font-size-sm);
    -webkit-line-clamp: 3;
    line-clamp: 3;
  }
  
  .project-technologies {
    gap: var(--spacing-xs);
  }
  
  .tech-tag {
    font-size: var(--font-size-xs);
    padding: 2px var(--spacing-sm);
  }
  
  /* Page header mobile */
  .page-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
  }
  
  .page-title {
    font-size: var(--font-size-2xl);
  }
  
  .page-description {
    font-size: var(--font-size-base);
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }
  
  .project-image {
    height: 180px;
  }
  
  .project-card-content {
    padding: var(--spacing-sm);
  }
  
  .page-title {
    font-size: var(--font-size-xl);
  }
}


/* ===== Project Footer - Chart Style ===== */
.project-footer {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-surface), var(--color-background));
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  text-align: center;
}

.project-footer h3 {
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

/* ===== Project Footer Technologies Section (inside footer) ===== */
.project-footer .project-technologies {
  margin-top: 0;
  padding: 0;
}

.project-footer .project-technologies h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  font-size: var(--font-size-xl);
  text-align: center;
  font-weight: var(--font-weight-bold);
}

.project-footer .project-technologies .tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}

.project-footer .project-technologies .tech-tag {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.project-footer .project-technologies .tech-tag:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== Project Navigation (Previous/Next) ===== */
.project-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 2px solid var(--color-border);
}

.project-navigation .nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
  min-height: 100px;
}

.project-navigation .nav-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.project-navigation .prev-project {
  justify-content: flex-start;
}

.project-navigation .next-project {
  justify-content: flex-end;
  text-align: right;
}

.project-navigation .nav-arrow {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.project-navigation .prev-project:hover .nav-arrow {
  transform: translateX(-4px);
}

.project-navigation .next-project:hover .nav-arrow {
  transform: translateX(4px);
}

.project-navigation .nav-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.project-navigation .nav-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--font-weight-medium);
}

.project-navigation .nav-label-full {
  display: inline;
}

.project-navigation .nav-label-short {
  display: none;
}

.project-navigation .nav-title {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

/* ===== Mobile Responsive for Project Detail ===== */
@media (max-width: 768px) {
  /* Reduce all font sizes by 10% on mobile */
  html {
    font-size: 14.4px; /* 16px * 0.9 = 14.4px */
  }
  
  .project-footer {
    padding: var(--spacing-lg);
  }
  
  .project-footer h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
  }
  
  .project-navigation {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
  }
  
  .project-navigation .nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: auto;
    gap: var(--spacing-sm);
  }
  
  .project-navigation .prev-project,
  .project-navigation .next-project {
    text-align: left;
    justify-content: flex-start;
  }
  
  .project-navigation .nav-arrow {
    width: 16px;
    height: 16px;
  }
  
  .project-navigation .nav-text {
    gap: 2px;
  }
  
  .project-navigation .nav-label {
    font-size: var(--font-size-xs);
    letter-spacing: 0.3px;
  }
  
  .project-navigation .nav-label-full {
    display: none;
  }
  
  .project-navigation .nav-label-short {
    display: inline;
  }
  
  .project-navigation .nav-title {
    font-size: var(--font-size-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .project-footer .project-technologies {
    padding: 0;
  }
  
  .project-footer .project-technologies h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
  }
  
  .project-footer .project-technologies .tech-tags {
    gap: var(--spacing-xs);
  }
  
  .project-footer .project-technologies .tech-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
  }
}