/* CSS Custom Properties - Premium Design System */
:root {
  /* Colors - Sophisticated Dark Theme */
  --primary-bg: #0a0e1a;
  --secondary-bg: #111827;
  --tertiary-bg: #1f2937;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --surface-active: rgba(255, 255, 255, 0.1);
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  --accent-primary: #3b82f6;
  --accent-secondary: #8b5cf6;
  --accent-tertiary: #06b6d4;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-glow: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  --code-bg: #0d1117;
  --code-border: #30363d;
  
  /* Typography Scale - Premium */
  --font-sans: 'SF Pro Display', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', Consolas, 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-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3rem;
  --space-4xl: 4rem;
  --space-5xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;
  
  /* Shadows - Sophisticated */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --shadow-glow-lg: 0 0 60px rgba(59, 130, 246, 0.2);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-Index Scale */
  --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;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--primary-bg);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* Premium Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(6, 182, 212, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

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

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-content {
  text-align: center;
  max-width: 300px;
}

.logo-container {
  margin-bottom: var(--space-xl);
}

.logo {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  background: var(--gradient-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: white;
  margin: 0 auto var(--space-lg);
  animation: logoFloat 3s ease-in-out infinite;
  position: relative;
  box-shadow: 
    0 20px 40px rgba(100, 179, 244, 0.4),
    0 0 60px rgba(100, 179, 244, 0.3),
    inset 0 2px 20px rgba(255, 255, 255, 0.2);
}

.logo::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: conic-gradient(from 0deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary), var(--accent-primary));
  animation: rotate 2s linear infinite;
  z-index: -1;
}

.logo::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: inherit;
  background: var(--primary-bg);
  z-index: -1;
}

.loading-text {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
  font-weight: 600;
  animation: pulse 2s ease-in-out infinite;
}

.progress-bar {
  width: 300px;
  height: 8px;
  background: var(--surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-fill {
  height: 100%;
  background: var(--gradient-secondary);
  width: 0%;
  animation: progressFill 2s ease-in-out forwards;
  position: relative;
  box-shadow: 0 0 10px rgba(100, 179, 244, 0.5);
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes logoFloat {
  0%, 100% { 
    transform: translateY(0px) scale(1);
    filter: hue-rotate(0deg);
  }
  50% { 
    transform: translateY(-20px) scale(1.05);
    filter: hue-rotate(180deg);
  }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes progressFill {
  0% { width: 0%; }
  100% { width: 100%; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Premium Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--surface);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-text {
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 3s ease-in-out infinite;
}

.nav-links {
  display: flex;
  gap: var(--space-2xl);
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  letter-spacing: 0.01em;
  position: relative;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: var(--transition-normal);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition-normal);
}

/* Premium Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
}

.particles-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particles-bg::before,
.particles-bg::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  opacity: 0.08;
  animation: float 8s ease-in-out infinite;
  filter: blur(2px);
}

.particles-bg::before {
  background: var(--accent-primary);
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.particles-bg::after {
  background: var(--accent-secondary);
  bottom: 20%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) scale(1);
    opacity: 0.08;
  }
  50% {
    transform: translateY(-30px) scale(1.1);
    opacity: 0.12;
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 10px 0 0;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 120px;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding-bottom: 80px;
  padding-left: 0;
  margin-left: -50px;
  padding-right: 20px;
}

.hero-text {
  flex: 1;
  max-width: 600px;
  margin-right: 0;
  padding-left: 0;
  margin-left: 0;
}

.hero-visual {
  flex: 0 0 400px;
  width: 400px;
  height: 250px;
  margin-left: auto;
  margin-right: -20px;
}

.hero-greeting {
  font-size: var(--font-size-lg);
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0;
  animation: slideInLeft 0.8s ease 0.2s forwards;
}

.hero-name {
  font-size: clamp(var(--font-size-5xl), 8vw, var(--font-size-7xl));
  font-weight: 800;
  margin-bottom: var(--space-md);
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  line-height: 0.9;
  letter-spacing: -0.04em;
  opacity: 0;
  animation: fadeInUp 1s ease 0.4s forwards, gradientShift 4s ease-in-out infinite 1s;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-tagline {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-lg);
  min-height: 3rem;
}

.typewriter {
  border-right: 2px solid var(--accent-primary);
  animation: blink 1s infinite;
  padding-right: 2px;
}

@keyframes blink {
  0%, 50% { border-color: var(--accent-primary); }
  51%, 100% { border-color: transparent; }
}

/* Enhanced Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

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

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--accent-primary);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-primary);
  }
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg) 0;
}

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

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
}

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

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.3s forwards;
  opacity: 0;
  animation-fill-mode: forwards;
}

/* Page Transition Animations */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* Premium Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  letter-spacing: 0.01em;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  min-width: 180px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-lg), 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 
    var(--shadow-2xl),
    0 0 40px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: var(--surface-active);
  color: var(--text-primary);
  border: 2px solid var(--surface-hover);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-lg);
}

.hero-visual {
  position: relative;
  height: 250px;
}

.code-editor-mini {
  background: var(--code-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--code-border);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  height: 100%;
  width: 100%;
}

.code-editor {
  background: var(--code-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--code-border);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  height: 100%;
  max-width: 900px; /* Increased width significantly */
  width: 100%; /* Full width within container */
  margin: 0 auto;
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #161b22;
  padding: var(--space-sm);
  border-bottom: 1px solid var(--code-border);
}

.editor-tabs {
  display: flex;
  gap: var(--space-xs);
}

.tab {
  padding: var(--space-xs) var(--space-md);
  background: #21262d;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-normal);
}

.tab.active {
  background: var(--code-bg);
  color: var(--text-primary);
}

.editor-controls {
  display: flex;
  gap: var(--space-xs);
}

.control-btn {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: #ff5f56;
}

.control-btn:nth-child(2) {
  background: #ffbd2e;
}

.control-btn:nth-child(3) {
  background: #27ca3f;
}

.editor-content {
  display: flex;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  height: calc(100% - 60px);
}

.line-numbers {
  background: #161b22;
  padding: var(--space-md) var(--space-sm);
  color: #6e7681;
  text-align: right;
  min-width: 40px;
  user-select: none;
}

.line-numbers span {
  display: block;
}

.code-lines {
  flex: 1;
  padding: var(--space-md);
  overflow: hidden;
}

.code-line {
  margin-bottom: 2px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.3s ease;
}

.keyword {
  color: #ff7b72;
}

.function {
  color: #d2a8ff;
}

.variable {
  color: #79c0ff;
}

.string {
  color: #a5d6ff;
}

.comment {
  color: #8b949e;
  font-style: italic;
}

.scroll-indicator {
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  z-index: 10;
}

.scroll-indicator:hover {
  opacity: 1;
}

.mouse-icon {
  position: relative;
  width: 24px;
  height: 36px;
  border: 2px solid var(--accent-primary);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.mouse-wheel {
  width: 3px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 1.5px;
  animation: mouseScroll 2s infinite;
}

@keyframes mouseScroll {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(8px);
    opacity: 0.5;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.scroll-indicator span {
  font-size: 0.8rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* Shared Section Styles */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
  min-height: auto;
  overflow: visible;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-line {
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  margin: 0 auto;
  border-radius: var(--radius-full);
}

/* About Section */
.about-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.about-text {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--text-secondary);
  opacity: 1;
  transform: translateY(0);
}

.about-intro {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.about-text p {
  margin-bottom: var(--space-lg);
}

.about-highlights {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.highlight-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.highlight-item i {
  color: var(--accent-primary);
  font-size: var(--font-size-lg);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.stat-card {
  background: var(--accent-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  border: 1px solid var(--surface-hover);
  transition: var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.stat-card h4 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
}

.stat-card span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.profile-card {
  background: var(--surface);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  border: 1px solid var(--surface-hover);
}

.profile-image {
  margin-bottom: var(--space-lg);
}

.profile-placeholder {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: white;
  margin: 0 auto;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.tech-item {
  background: var(--accent-bg);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
  font-weight: 500;
}

/* Experience Timeline Section */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  width: 4px;
  background: var(--gradient-secondary);
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px rgba(100, 179, 244, 0.3);
}

.timeline-item {
  position: relative;
  background: var(--surface);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid var(--surface-hover);
  margin-bottom: var(--space-2xl);
  transition: all var(--transition-normal);
  opacity: 1;
  transform: translateY(0);
  width: calc(50% - var(--space-xl));
}

.timeline-item:nth-child(odd) {
  left: 0;
  animation: slideInLeft 0.8s ease forwards;
}

.timeline-item:nth-child(even) {
  left: calc(50% + var(--space-xl));
  animation: slideInRight 0.8s ease forwards;
}

.timeline-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.timeline-marker {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--gradient-secondary);
  border: 4px solid var(--primary-bg);
  border-radius: 50%;
  top: var(--space-xl);
  box-shadow: 0 0 15px rgba(100, 179, 244, 0.5);
  z-index: 10;
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -62px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -62px;
}

.timeline-content {
  position: relative;
}

.timeline-date {
  color: var(--accent-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: inline-block;
  background: var(--accent-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
}

.timeline-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

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

.experience-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.experience-link {
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition-normal);
}

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

.experience-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tech-tag {
  background: var(--accent-bg);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
  font-weight: 500;
}

.resume-link-container {
  text-align: center;
  margin-top: 3rem;
}

.resume-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-normal);
}

.resume-link:hover {
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* Premium Projects Section - 3 Cards in Row */
.projects-showcase {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.project-card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--surface-hover);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
  width: 350px;
  height: 500px;
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
}

.project-card.featured {
  transform: scale(1.1); /* Middle card zoomed in */
  z-index: 10;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-active) 100%);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow-lg);
}

.project-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);
}

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

.project-card:hover {
  transform: scale(0.95);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-xl);
}

.project-card.featured:hover {
  transform: scale(1.15); /* Featured card hover */
}

.project-header {
  padding: var(--space-xl);
  border-bottom: 1px solid var(--surface-hover);
  flex-shrink: 0;
}

.project-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: white;
  margin-bottom: var(--space-lg);
}

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

.project-description {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: var(--font-size-sm);
}

.project-content {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.tech-badge {
  background: var(--tertiary-bg);
  color: var(--accent-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border: 1px solid var(--surface-hover);
}

.project-links {
  display: flex;
  gap: var(--space-md);
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-hover);
}

.project-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: var(--surface-active);
  transform: translateY(-2px);
}

/* More Projects Section */
.more-projects {
  margin-top: var(--space-5xl);
  text-align: center;
}

.more-projects h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2xl);
}

.more-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto var(--space-2xl);
}

.mini-project {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--surface-hover);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.mini-project:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
}

.mini-project i {
  font-size: var(--font-size-xl);
  color: var(--accent-primary);
  min-width: 24px;
}

.mini-project span {
  font-weight: 500;
  font-size: var(--font-size-base);
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-2xl);
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.view-all-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.project-icon i {
  font-size: var(--font-size-2xl);
  color: white;
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.project-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.tech-badge {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.project-links {
  display: flex;
  gap: var(--space-sm);
}

.project-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
}

.project-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* More Projects */
.more-projects {
  text-align: center;
}

.more-projects h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xl);
  color: var(--text-primary);
}

.more-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.mini-project {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--surface);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition-normal);
  border: 1px solid var(--surface-hover);
}

.mini-project:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.mini-project i {
  font-size: var(--font-size-2xl);
  color: var(--accent-primary);
}

.mini-project span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-align: center;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--gradient-secondary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: var(--transition-normal);
}

.view-all-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Skills Section */
.skills-content {
  max-width: 900px;
  margin: 0 auto;
}

.skills-category {
  background: var(--surface);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--surface-hover);
  transition: var(--transition-normal);
}

.skills-category:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
}

.skills-category-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
  text-align: center;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.skill-item {
  margin-bottom: var(--space-lg);
}

.skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.skill-name {
  font-weight: 600;
  color: var(--text-primary);
}

.skill-level {
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
}

.skill-bar {
  height: 8px;
  background: var(--accent-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  width: 0%;
  animation: skillFill 2s ease-out forwards;
  animation-delay: 0.5s;
}

@keyframes skillFill {
  to { width: var(--progress); }
}

.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-lg);
}

.tech-stack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--accent-bg);
  border-radius: var(--radius-lg);
  transition: var(--transition-normal);
}

.tech-stack-item:hover {
  background: var(--surface-hover);
  transform: translateY(-5px);
}

.tech-stack-item i {
  font-size: var(--font-size-2xl);
  color: var(--accent-primary);
}

.tech-stack-item span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.languages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.language-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  background: var(--accent-bg);
  border-radius: var(--radius-lg);
}

.language-name {
  font-weight: 600;
  color: var(--text-primary);
}

.language-level {
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
}

/* Contact Section */
.contact-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-text {
  margin-bottom: var(--space-3xl);
}

.contact-text h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.contact-text p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-info {
  margin-bottom: var(--space-3xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  border: 1px solid var(--surface-hover);
  transition: var(--transition-normal);
}

.contact-item:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

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

.contact-details {
  flex: 1;
  text-align: left;
}

.contact-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.contact-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-normal);
}

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

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--surface);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-normal);
  border: 1px solid var(--surface-hover);
}

.social-link:hover {
  background: var(--accent-primary);
  color: var(--primary-bg);
  transform: translateY(-2px);
}

.social-link i {
  font-size: var(--font-size-lg);
}

/* Certifications Section */
.certifications-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.certification-item {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--surface);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--surface-hover);
  transition: var(--transition-normal);
  align-items: flex-start;
}

.certification-item:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
}

.certification-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.certification-icon i {
  font-size: var(--font-size-2xl);
  color: white;
}

.certification-details {
  flex: 1;
}

.certification-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.certification-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.certification-date {
  font-size: var(--font-size-sm);
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.certification-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-normal);
}

.certification-link:hover {
  color: var(--text-primary);
  transform: translateX(5px);
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--secondary-bg) 0%, rgba(24, 25, 26, 0.95) 100%);
  border-top: 2px solid var(--accent-primary);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(96, 165, 250, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.footer-logo .logo-text {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.5rem;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 220px;
  font-size: var(--font-size-sm);
  font-style: italic;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-column h4 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: var(--space-xs);
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 1px;
}

.footer-column a {
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-normal);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  padding: var(--space-xs) 0;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.footer-column a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(96, 165, 250, 0.1), rgba(168, 85, 247, 0.1));
  transition: width 0.3s ease;
  z-index: -1;
}

.footer-column a:hover {
  color: var(--accent-primary);
  transform: translateX(8px);
  padding-left: var(--space-sm);
}

.footer-column a:hover::before {
  width: 100%;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.footer-bottom::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-bottom: var(--space-xs);
  line-height: 1.4;
  opacity: 0.8;
}

.footer-bottom p:first-child {
  font-weight: 500;
}

.footer-bottom p:last-child {
  margin-bottom: 0;
  font-style: italic;
  background: linear-gradient(45deg, var(--text-muted), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animation Classes */
.fade-in {
  opacity: 1;
  transform: translateY(0);
  animation: fadeInUp 1s ease forwards;
}

.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.6s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-text {
  opacity: 1;
  transform: translateY(0);
  transition: var(--transition-slow);
}

.reveal-text.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal-fade {
  opacity: 1;
  transform: translateY(0);
  transition: var(--transition-slow);
}

.reveal-fade.in-view {
  opacity: 1;
  transform: translateY(0);
}

.reveal-card {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: var(--transition-slow);
}

.reveal-card.in-view {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
  
  .about-content {
    max-width: 100%;
    padding: 0 var(--space-md);
  }
  
  .projects-showcase {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }
  
  .project-book:nth-child(1),
  .project-book:nth-child(3) {
    transform: scale(0.9) rotateY(0deg);
  }
  
  .project-book.featured {
    transform: scale(1) rotateY(0deg);
  }
  
  .certifications-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
  
  .footer-links {
    gap: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero {
    padding-top: 90px;
  }
  
  .hero-container {
    padding: 0 var(--space-md);
  }
  
  .hero-content {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
    padding-bottom: var(--space-2xl);
    margin-left: 0;
    padding-right: 0;
    justify-content: center;
  }
  
  .hero-text {
    margin-right: 0;
    margin-left: 0;
    max-width: 100%;
  }
  
  .hero-visual {
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    max-width: 350px;
    height: 220px;
  }
  
  .hero-stats {
    gap: var(--space-lg);
  }
  
  .code-editor {
    max-width: 100%;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  /* Projects Mobile Styles */
  .projects-showcase {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }
  
  .project-card {
    width: 100%;
    max-width: 400px;
    transform: scale(1) !important;
  }
  
  .project-card.featured {
    transform: scale(1) !important;
    order: -1; /* Move featured to top on mobile */
  }
  
  /* Timeline Mobile Styles */
  .timeline::before {
    left: 30px;
  }
  
  .timeline-item {
    width: calc(100% - 60px);
    left: 60px !important;
  }
  
  .timeline-item:nth-child(odd) .timeline-marker,
  .timeline-item:nth-child(even) .timeline-marker {
    left: -50px;
    right: auto;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .projects-showcase {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .project-book {
    transform: scale(1) rotateY(0deg) !important;
  }
  
  .book-cover {
    width: 100%;
    max-width: 300px;
  }
  
  .more-projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .certification-item {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-item {
    flex-direction: column;
    text-align: center;
  }
  
  .contact-details {
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero-name {
    font-size: var(--font-size-4xl);
  }
  
  .hero-tagline {
    font-size: var(--font-size-xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .more-projects-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-stack-grid {
    grid-template-columns: 1fr;
  }
  
  .social-links {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--space-lg);
  }
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --accent-primary: #00ff00;
    --surface: rgba(255, 255, 255, 0.2);
  }
}

/* Dark mode (default) */
@media (prefers-color-scheme: dark) {
  /* Already defined as default */
}