/* CSS Variables for Theme Support */
:root {
  /* Light Theme Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #8b5cf6;
  --accent-color: #06b6d4;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --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-size-5xl: 3rem;
  
  /* 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;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  --bg-overlay: rgba(0, 0, 0, 0.8);
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-color: #334155;
  --border-light: #475569;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-spinner {
  text-align: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

.loading-text {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  font-weight: 500;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

/* Brand */
.nav-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-icon {
  transform: scale(1.1);
}

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

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: left var(--transition-normal);
}

.nav-link:hover::before {
  left: 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background-color: var(--bg-secondary);
  transform: translateY(-2px);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.nav-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
}

.nav-text {
  font-size: 0.875rem;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

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

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: none;
  border: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 150px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lang-option:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.flag {
  font-size: var(--font-size-lg);
}

/* Control Buttons */
.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.control-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: left var(--transition-normal);
}

.control-btn:hover::before {
  left: 0;
}

.control-btn:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: left var(--transition-normal);
}

.theme-toggle:hover::before {
  left: 0;
}

.theme-toggle:hover {
  color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 4px;
}

.hamburger {
  width: 25px;
  height: 2px;
  background: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

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

.mobile-menu-toggle.active .hamburger:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Main Content */
#main-content {
  margin-top: 70px;
}

/* Sections */
.section {
  min-height: 100vh;
  padding: var(--spacing-3xl) 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.section.active {
  opacity: 1;
  transform: translateY(0);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 40% 40%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Hero Text */
.hero-text {
  animation: fadeInLeft 1s ease-out;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 1rem;
}

.badge-text {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.title-line {
  display: block;
  margin-bottom: 0.5rem;
}

.title-highlight {
  display: block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

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

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.greeting {
  margin-bottom: var(--spacing-lg);
}

.greeting-text {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.name {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.bio {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-2xl);
}

/* Hero Actions */
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.btn-icon {
  margin-right: 0.5rem;
}

/* Hero Social */
.hero-social {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.social-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 50%;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Hero Visual */
.hero-visual {
  animation: fadeInRight 1s ease-out;
}

.hero-image-container {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 8px solid var(--bg-secondary);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.hero-image-glow {
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: var(--gradient-primary);
  border-radius: 50%;
  opacity: 0.2;
  filter: blur(20px);
  z-index: -1;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-normal);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--spacing-lg);
}

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

.social-link:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Home Image */
.home-image {
  display: flex;
  justify-content: center;
  animation: fadeInRight 1s ease-out;
}

.image-container {
  position: relative;
  width: 400px;
  height: 400px;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 8px solid var(--bg-secondary);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-normal);
}

.profile-image:hover {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.floating-elements {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Floating Tech Icons */
.floating-tech {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.tech-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-color);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  animation: float 3s ease-in-out infinite;
  border: 2px solid rgba(99, 102, 241, 0.1);
}

.tech-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.tech-2 {
  top: 20%;
  right: -15%;
  animation-delay: 0.5s;
}

.tech-3 {
  bottom: 30%;
  left: -5%;
  animation-delay: 1s;
}

.tech-4 {
  bottom: 20%;
  right: -10%;
  animation-delay: 1.5s;
}

.tech-5 {
  top: 50%;
  left: -20%;
  animation-delay: 2s;
}

.tech-6 {
  top: 70%;
  right: -5%;
  animation-delay: 2.5s;
}

/* Achievement Badges */
.achievement-badges {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  animation: float 4s ease-in-out infinite;
}

.badge-1 {
  top: 15%;
  right: -20%;
  animation-delay: 1s;
}

.badge-2 {
  bottom: 15%;
  left: -25%;
  animation-delay: 2s;
}

.badge i {
  color: var(--primary-color);
}

.floating-element:nth-child(1) {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  top: 20%;
  right: -15%;
  animation-delay: 0.5s;
}

.floating-element:nth-child(3) {
  bottom: 30%;
  left: -5%;
  animation-delay: 1s;
}

.floating-element:nth-child(4) {
  bottom: 20%;
  right: -10%;
  animation-delay: 1.5s;
}

.floating-element:nth-child(5) {
  top: 50%;
  left: -20%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  animation: bounce 2s infinite;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-secondary);
  border-radius: 12px;
  margin: 0 auto 0.5rem;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll 2s infinite;
}

.scroll-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scroll {
  0% { transform: translateX(-50%) translateY(0); opacity: 1; }
  100% { transform: translateX(-50%) translateY(12px); opacity: 0; }
}

/* Animations */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* About Section */
.about-section {
  padding: 120px 0;
  background: var(--bg-primary);
}

.section-badge {
  display: inline-block;
  margin-bottom: 1rem;
}

.about-content {
  margin-bottom: 4rem;
}

/* About Cards */
.about-cards {
  display: flex;
  justify-content: center;
  margin-bottom: 4rem;
}

  .about-card {
    max-width: 6000px;
    width: 100%;
  }

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

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

.about-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.about-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.about-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.about-info {
  margin-top: 1.5rem;
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.8rem;
  color: var(--text-secondary);
}

.info-item i {
  margin-right: 0.8rem;
  color: var(--accent-primary);
  width: 16px;
}

.hero-read-more-btn {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.hero-read-more-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.hero-read-more-btn i {
  transition: transform 0.3s ease;
}

.hero-read-more-btn.expanded i {
  transform: rotate(180deg);
}


/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

/* Info List */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
  border-bottom: none;
}

.info-item i {
  width: 20px;
  color: var(--primary-color);
  font-size: 1rem;
}

.info-label {
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 100px;
}

.info-value {
  font-weight: 600;
  color: var(--text-primary);
}

.about-text h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.about-bio p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.personal-info {
  margin-top: var(--spacing-xl);
}

.info-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast);
}

.info-item:hover {
  transform: translateY(-2px);
}

.info-item i {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  width: 24px;
  text-align: center;
}

.info-item div {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.info-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: 600;
}

/* Skills Showcase - Minimal Design */
.skills-showcase {
  margin-bottom: 2rem;
}

.skills-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.skills-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.skills-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.skills-container {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

/* Skills Section */
.skills-section {
  background: transparent;
  padding: 0;
}

.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.skill-category-section {
  background: var(--bg-card);
  padding: 1rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.skill-category-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  text-align: left;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.skill-category-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-item {
  background: var(--skill-color, #6366f1);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  text-align: center;
  transition: all var(--transition-fast);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: relative;
  overflow: hidden;
}

.skill-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.skill-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.skill-item:hover::before {
  transform: translateX(100%);
}

.skill-icon {
  font-size: 1.4rem;
  color: white;
  margin-right: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

/* Specific skill colors */
.skill-item[data-skill="HTML/HTML5"] { background: #e34c26; }
.skill-item[data-skill="CSS"] { background: #1572b6; }
.skill-item[data-skill="JavaScript"] { background: #f7df1e; color: #000; }
.skill-item[data-skill="Java/Javascript"] { background: #f7df1e; color: #000; }
.skill-item[data-skill="Vue.js ve Nuxt.js"] { background: #4fc08d; }
.skill-item[data-skill="Flutter/Dart"] { background: #02569b; }
.skill-item[data-skill="C"] { background: #00599c; }
.skill-item[data-skill="C#"] { background: #239120; }
.skill-item[data-skill="C++"] { background: #00599c; }
.skill-item[data-skill="Python"] { background: #3776ab; }
.skill-item[data-skill="PHP"] { background: #777bb4; }
.skill-item[data-skill=".NET"] { background: #512bd4; }
.skill-item[data-skill="SQL/MySQL"] { background: #4479a1; }
.skill-item[data-skill="Firebase"] { background: #ffca28; color: #000; }
.skill-item[data-skill="Git/Github"] { background: #f05032; }
.skill-item[data-skill="Postman API"] { background: #ff6c37; }
.skill-item[data-skill="RESTful API"] { background: #ff6b6b; }
.skill-item[data-skill="Adobe Photoshop"] { background: #31a8ff; }
.skill-item[data-skill="Adobe Illustrator"] { background: #ff9a00; }
.skill-item[data-skill="Adobe After Effects"] { background: #9999ff; }
.skill-item[data-skill="Adobe Premiere Pro"] { background: #ea77ff; }
.skill-item[data-skill="Adobe XD"] { background: #ff61f6; }
.skill-item[data-skill="Figma"] { background: #f24e1e; }
.skill-item[data-skill="Blender"] { background: #f5792a; }
.skill-item[data-skill="Unity"] { background: #000000; }
.skill-item[data-skill="Android Studio"] { background: #3ddc84; }
.skill-item[data-skill="Visual Studio"] { background: #007acc; }
.skill-item[data-skill="MS Uygulamaları"] { background: #0078d4; }
.skill-item[data-skill="Kuka Agilus"] { background: #ff6900; }
.skill-item[data-skill="SolidWorks"] { background: #007db3; }
.skill-item[data-skill="Fusion 360"] { background: #00d4aa; }
.skill-item[data-skill="AutoCad"] { background: #ca1016; }
.skill-item[data-skill="Ansys"] { background: #ffb71b; color: #000; }
.skill-item[data-skill="Matlab"] { background: #e16737; }
.skill-item[data-skill="TIA Portal"] { background: #009999; }
.skill-item[data-skill="Proteus"] { background: #ff6600; }
.skill-item[data-skill="Keil"] { background: #00a8cc; }
.skill-item[data-skill="Kuka Sim Pro"] { background: #ff6900; }
.skill-item[data-skill="Sosyal Medya Uzmanlığı"] { background: #1877f2; }
.skill-item[data-skill="Proje Yönetimi"] { background: #28a745; }

.skill-category {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Timeline Showcase */
.timeline-showcase {
  margin-bottom: 4rem;
}

.timeline-header {
  text-align: center;
  margin-bottom: 3rem;
}

.timeline-header h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.timeline-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.timeline-container {
  position: relative;
}

/* Timeline Section */
.timeline-section {
  margin-top: var(--spacing-3xl);
}

.timeline-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.timeline-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.timeline-tab.active,
.timeline-tab:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

.timeline-content {
  position: relative;
}

.timeline {
  display: none;
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline.active {
  display: block;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-2xl);
  padding-left: var(--spacing-2xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 10px;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-primary);
}

.timeline-content-item {
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.timeline-content-item:hover {
  transform: translateY(-2px);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.timeline-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-company {
  font-size: var(--font-size-base);
  color: var(--primary-color);
  font-weight: 500;
}

.timeline-date {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About CTA */
.about-cta {
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: 3rem;
  text-align: center;
  color: white;
  margin-top: 4rem;
}

.cta-content h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn {
  background: white;
  color: var(--primary-color);
  border: 2px solid white;
}

.cta-actions .btn:hover {
  background: transparent;
  color: white;
  border-color: white;
}

.cta-actions .btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

/* CV Download */
.cv-download {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

/* Projects Section */
.projects-section {
  padding: 120px 0;
  background: var(--bg-secondary);
  transition: background-color var(--transition-normal);
}

/* Ensure projects section adapts to theme */
[data-theme="light"] .projects-section {
  background: #f8fafc;
}

[data-theme="dark"] .projects-section {
  background: #1e293b;
}

/* Ensure section titles in projects section adapt to theme */
[data-theme="light"] .projects-section .section-title {
  color: #1e293b;
}

[data-theme="light"] .projects-section .section-description {
  color: #64748b;
}

[data-theme="dark"] .projects-section .section-title {
  color: #f8fafc;
}

[data-theme="dark"] .projects-section .section-description {
  color: #cbd5e1;
}

.project-categories {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  transition: all var(--transition-normal);
}

.category-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 2rem;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* Ensure category buttons adapt to theme */
[data-theme="light"] .category-btn {
  background: #ffffff;
  border-color: #e2e8f0;
  color: #64748b;
}

[data-theme="dark"] .category-btn {
  background: #1e293b;
  border-color: #334155;
  color: #cbd5e1;
}

.category-icon {
  font-size: 1rem;
}

.projects-showcase {
  margin-bottom: 3rem;
}

/* Project Filters */
.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
  transition: all var(--transition-normal);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  border: 1px solid var(--border-color);
}

/* Ensure project cards adapt to theme */
[data-theme="light"] .project-card {
  background: #ffffff;
  border-color: #e2e8f0;
}

[data-theme="dark"] .project-card {
  background: #1e293b;
  border-color: #334155;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

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

.project-content {
  padding: var(--spacing-xl);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-normal);
}

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  transition: color var(--transition-normal);
}

/* Ensure project content adapts to theme */
[data-theme="light"] .project-title {
  color: #1e293b;
}

[data-theme="light"] .project-description {
  color: #64748b;
}

[data-theme="dark"] .project-title {
  color: #f8fafc;
}

[data-theme="dark"] .project-description {
  color: #cbd5e1;
}

.project-technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.technology-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
}

/* Ensure technology tags adapt to theme */
[data-theme="light"] .technology-tag {
  background: #f1f5f9;
  color: #64748b;
}

[data-theme="dark"] .technology-tag {
  background: #334155;
  color: #cbd5e1;
}

.project-links {
  display: flex;
  gap: var(--spacing-md);
}

.project-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--primary-color);
  color: var(--text-inverse);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.project-link:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.project-link.secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.project-link.secondary:hover {
  background: var(--secondary-color);
  color: var(--text-inverse);
  border-color: var(--secondary-color);
}

/* Ensure project links adapt to theme */
[data-theme="light"] .project-link.secondary {
  background: #f8fafc;
  color: #1e293b;
  border-color: #e2e8f0;
}

[data-theme="dark"] .project-link.secondary {
  background: #1e293b;
  color: #f8fafc;
  border-color: #334155;
}

/* Blog Section */
.featured-post {
  margin-bottom: var(--spacing-3xl);
}

.featured-post-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

.featured-post-card:hover {
  transform: translateY(-5px);
}

.featured-post-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.featured-post-content {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-post-category {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary-color);
  color: var(--text-inverse);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.featured-post-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.featured-post-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.featured-post-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.blog-card {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: var(--spacing-xl);
}

.blog-category {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.blog-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.blog-excerpt {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.blog-date {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.blog-reading-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

.contact-items {
  margin-bottom: var(--spacing-2xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-fast);
}

.contact-item:hover {
  transform: translateY(-2px);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
}

.contact-details h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-details p {
  color: var(--text-secondary);
}

.contact-social h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

/* Contact Form */
.contact-form-container {
  background: var(--bg-secondary);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
}

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

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

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

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: var(--spacing-2xl) 0;
  border-top: 1px solid var(--border-color);
}

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

.footer-text p {
  color: var(--text-secondary);
}

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

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

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

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--text-inverse);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
}

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

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-modal);
}

.modal.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--radius-2xl);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.open .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-xl);
}

/* Toast Notification */
.toast {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transform: translateX(100px);
  transition: all var(--transition-normal);
  z-index: var(--z-toast);
  max-width: 400px;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.toast.success {
  border-left: 4px solid #10b981;
}

.toast.error {
  border-left: 4px solid #ef4444;
}

.toast.warning {
  border-left: 4px solid #f59e0b;
}

.toast-info {
  border-left: 4px solid var(--primary-color);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.toast-icon {
  font-size: var(--font-size-lg);
}

.toast.success .toast-icon {
  color: #10b981;
}

.toast.error .toast-icon {
  color: #ef4444;
}

.toast.warning .toast-icon {
  color: #f59e0b;
}

.toast-info .toast-icon {
  color: var(--primary-color);
}

.toast-message {
  color: var(--text-primary);
  font-weight: 500;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Load More Container */
/* Load More Section */
.load-more-section {
  text-align: center;
  margin-top: 3rem;
  transition: all var(--transition-normal);
}

.load-more-container {
  text-align: center;
  margin-top: var(--spacing-3xl);
  transition: all var(--transition-normal);
}

/* Ensure load more button adapts to theme */
[data-theme="light"] .btn-outline {
  color: #6366f1;
  border-color: #6366f1;
}

[data-theme="dark"] .btn-outline {
  color: #6366f1;
  border-color: #6366f1;
}

/* No Projects Message */
.no-projects-message {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--text-secondary);
}

.no-projects-message i {
  display: block;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.no-projects-message p {
  margin: var(--spacing-sm) 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .home-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .featured-post-card {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-2xl);
    transition: left var(--transition-normal);
    z-index: var(--z-dropdown);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-controls {
    gap: var(--spacing-sm);
  }
  
  .lang-btn span {
    display: none;
  }
  
  .home-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .image-container {
    width: 300px;
    height: 300px;
  }
  
  .floating-element {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }
  
  .timeline-tabs {
    flex-direction: column;
    align-items: center;
  }
  
  .timeline-tab {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .project-filters {
    gap: var(--spacing-sm);
  }
  
  .filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .blog-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .modal-content {
    width: 95%;
    margin: var(--spacing-md);
  }
  
  .toast {
    right: var(--spacing-md);
    left: var(--spacing-md);
    transform: translateY(-100px);
  }
  
  .toast.show {
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .name {
    font-size: var(--font-size-4xl);
  }
  
  .title {
    font-size: var(--font-size-xl);
  }
  
  .home-buttons {
    gap: var(--spacing-md);
  }
  
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }
  
  .image-container {
    width: 250px;
    height: 250px;
  }
  
  .floating-element {
    width: 30px;
    height: 30px;
    font-size: var(--font-size-base);
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .info-item {
    padding: var(--spacing-md);
  }
  
  .timeline-content-item {
    padding: var(--spacing-lg);
  }
  
  .project-content {
    padding: var(--spacing-lg);
  }
  
  .contact-form-container {
    padding: var(--spacing-lg);
  }
  
  .back-to-top {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    font-size: var(--font-size-base);
  }
}

/* Print Styles */
@media print {
  .navbar,
  .back-to-top,
  .mobile-menu-toggle,
  .theme-toggle,
  .language-selector,
  .scroll-indicator,
  .modal,
  .toast {
    display: none !important;
  }
  
  .section {
    page-break-inside: avoid;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .btn {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
  }
  
  [data-theme="dark"] {
    --border-color: #ffffff;
    --text-secondary: #ffffff;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-element {
    animation: none;
  }
  
  .scroll-indicator {
    animation: none;
  }
}

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

button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Selection Styles */
::selection {
  background: var(--primary-color);
  color: var(--text-inverse);
}

::-moz-selection {
  background: var(--primary-color);
  color: var(--text-inverse);
}