/* 2026 Design System - Enhanced Color Palette */
:root {
  /* Dynamic Color Palette - Tech/AI Inspired */
  --primary: #00d9ff;
  --primary-dark: #0099cc;
  --primary-light: #66e5ff;
  --secondary: #ff6b35;
  --accent: #7c3aed;
  --accent-pink: #f72585;
  --accent-green: #06ffa5;
  
  /* Neural Network Inspired Gradients */
  --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #7c3aed 50%, #f72585 100%);
  --gradient-secondary: linear-gradient(135deg, #06ffa5 0%, #00d9ff 100%);
  --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #f72585 100%);
  --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
  
  /* Dynamic Backgrounds */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111827;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.1);
  
  /* Semantic Colors */
  --background: #050505;
  --surface: rgba(20, 20, 30, 0.8);
  --surface-elevated: rgba(30, 30, 40, 0.9);
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0a0a0a;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);
  
  /* Status Colors */
  --success: #06ffa5;
  --warning: #ffd700;
  --error: #ff4757;
  --info: #00d9ff;
  
  /* Enhanced Shadows */
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3);
  --shadow-glow-pink: 0 0 20px rgba(247, 37, 133, 0.3);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  
  /* Modern Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Smooth Animations */
  --transition-fast: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Typography Scale */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
}

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

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-base);
  color: var(--text-primary);
  background: var(--background);
  overflow-x: hidden;
  position: relative;
}

/* Unique Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(247, 37, 133, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(6, 255, 165, 0.1) 0%, transparent 50%),
    linear-gradient(135deg, #050505 0%, #0a0a0a 100%);
  animation: backgroundShift 20s ease-in-out infinite;
  z-index: -2;
}

/* Animated Grid Pattern */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 30s linear infinite;
  z-index: -1;
}

@keyframes backgroundShift {
  0%, 100% { 
    transform: translateX(0px) translateY(0px) rotate(0deg);
    filter: hue-rotate(0deg);
  }
  25% { 
    transform: translateX(-20px) translateY(-20px) rotate(1deg);
    filter: hue-rotate(90deg);
  }
  50% { 
    transform: translateX(20px) translateY(-10px) rotate(-0.5deg);
    filter: hue-rotate(180deg);
  }
  75% { 
    transform: translateX(-10px) translateY(20px) rotate(0.5deg);
    filter: hue-rotate(270deg);
  }
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* Modern Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

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

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

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-16);
  position: relative;
  color: var(--text-primary);
}

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

/* Modern Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.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 0.5s;
}

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

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

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

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

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

.btn.tertiary {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn.tertiary:hover {
  background: var(--background);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Modern Header Styles */
header {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  color: var(--text-inverse);
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

/* Enhanced Navigation with Glassmorphism */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) var(--space-6);
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 217, 255, 0.2);
  transition: var(--transition-base);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

nav.sticky {
  background: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(25px) saturate(200%);
  border-bottom: 1px solid rgba(0, 217, 255, 0.3);
  box-shadow: var(--shadow-glow);
}

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

.logo {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: relative;
}

.logo::before {
  content: '';
  position: absolute;
  top: -5px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: var(--transition-base);
  z-index: -1;
  filter: blur(10px);
}

.logo:hover::before {
  opacity: 0.3;
}

.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0, 217, 255, 0.5);
  transition: var(--transition-base);
}

.logo-text:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

.logo-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8rem;
  color: var(--success);
  opacity: 0.9;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
  box-shadow: 0 0 10px var(--success);
}

@keyframes pulse {
  0%, 100% { 
    opacity: 1;
    transform: scale(1);
  }
  50% { 
    opacity: 0.6;
    transform: scale(1.2);
  }
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition-fast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(0, 217, 255, 0.1);
  transform: translateY(-2px);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.nav-links a:hover::after {
  width: 80%;
}

.nav-cta {
  background: var(--gradient-primary) !important;
  color: var(--text-inverse) !important;
  padding: var(--space-3) var(--space-6) !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-glow) !important;
  transition: var(--transition-base) !important;
}

.nav-cta:hover {
  transform: translateY(-3px) scale(1.05) !important;
  box-shadow: var(--shadow-glow), 0 10px 30px rgba(0, 217, 255, 0.4) !important;
}

.nav-cta::after {
  display: none !important;
}

/* Enhanced Hero Section with Werkstudent Focus */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - 5rem);
  padding: calc(var(--space-24) + var(--space-8)) var(--space-4) var(--space-20);
  position: relative;
  z-index: 1;
}

/* Prominent Werkstudent Badge */
.hero-badge {
  background: var(--gradient-primary);
  border: 2px solid rgba(0, 217, 255, 0.3);
  color: var(--text-inverse);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
  animation: werkstudentPulse 3s ease-in-out infinite;
  box-shadow: 
    var(--shadow-glow),
    0 0 40px rgba(0, 217, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.hero-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmerEffect 2s infinite;
}

@keyframes werkstudentPulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 
      var(--shadow-glow),
      0 0 40px rgba(0, 217, 255, 0.4),
      inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
  50% { 
    transform: scale(1.05);
    box-shadow: 
      var(--shadow-glow),
      0 0 60px rgba(0, 217, 255, 0.6),
      inset 0 1px 0 rgba(255, 255, 255, 0.3);
  }
}

@keyframes shimmerEffect {
  0% { left: -100%; }
  100% { left: 100%; }
}

.hero-title {
  margin-bottom: var(--space-6);
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-greeting {
  display: block;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.hero-name {
  display: block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  text-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
}

.hero-role {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 600;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.role-text {
  color: var(--primary);
  background: rgba(0, 217, 255, 0.1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 217, 255, 0.2);
  transition: var(--transition-base);
}

.role-text:hover {
  transform: translateY(-2px);
  background: rgba(0, 217, 255, 0.2);
  box-shadow: 0 5px 15px rgba(0, 217, 255, 0.3);
}

.role-separator {
  color: var(--accent-pink);
  font-weight: 400;
  font-size: 1.2em;
}

.hero-subtitle {
  max-width: 600px;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  animation: fadeInUp 1s ease-out 0.8s both;
}

.tech-highlight {
  color: var(--primary);
  font-weight: 600;
  background: rgba(0, 217, 255, 0.1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.hero-location {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  animation: fadeInUp 1s ease-out 1s both;
  background: var(--bg-card);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.separator {
  color: var(--accent-pink);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-12);
  animation: fadeInUp 1s ease-out 1.2s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-8);
  max-width: 600px;
  width: 100%;
  animation: fadeInUp 1s ease-out 1.4s both;
}

.stat {
  text-align: center;
  background: var(--bg-card);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  transition: var(--transition-base);
}

.stat:hover {
  transform: translateY(-5px);
  background: var(--bg-glass);
  box-shadow: var(--shadow-lg);
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-1);
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

/* About Section - Enhanced Dark Theme */
.about-section {
  padding: var(--space-24) 0;
  background: var(--bg-secondary);
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  align-items: start;
  position: relative;
  z-index: 1;
}

.about-image {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-img {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-2xl);
  object-fit: cover;
  border: 3px solid var(--primary);
  box-shadow: 
    var(--shadow-glow),
    0 0 40px rgba(0, 217, 255, 0.3);
  transition: var(--transition-base);
  background: var(--gradient-primary);
}

.profile-img:hover {
  transform: scale(1.02) rotate(1deg);
  box-shadow: 
    var(--shadow-glow),
    0 0 60px rgba(0, 217, 255, 0.4);
}

.availability-badge,
.work-auth-badge {
  position: absolute;
  background: var(--bg-glass);
  border: 1px solid var(--border-strong);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(15px);
}

.availability-badge {
  bottom: 20%;
  right: -10%;
  background: rgba(6, 255, 165, 0.1);
  border-color: var(--success);
}

.work-auth-badge {
  top: 10%;
  left: -10%;
  color: var(--info);
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--info);
}

.about-highlight {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.about-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

.about-highlight h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.value-props {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.value-prop {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  backdrop-filter: blur(10px);
}

.value-prop:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
  background: var(--bg-glass);
}

.value-prop i {
  flex-shrink: 0;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-xl);
  font-size: 1.25rem;
  box-shadow: var(--shadow-glow);
}

.value-prop h4 {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.value-prop p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.quick-facts {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
}

.quick-facts h3 {
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.quick-facts ul {
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.quick-facts li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.quick-facts i {
  color: var(--success);
}

.social-links {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  transition: var(--transition-base);
  font-size: 1.25rem;
  backdrop-filter: blur(10px);
}

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

/* Experience Section - Modern Timeline */
.experience-section {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  position: relative;
}

.experience-intro {
  text-align: center;
  margin-bottom: var(--space-16);
}

.experience-intro p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  border-radius: var(--radius-full);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-16);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: calc(50% + var(--space-8));
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: calc(50% + var(--space-8));
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: var(--space-6);
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--surface);
  border: 4px solid var(--primary);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  z-index: 2;
  transition: var(--transition-base);
}

.timeline-item:hover::before {
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.2);
}

.timeline-date {
  position: absolute;
  top: var(--space-4);
  font-weight: 600;
  color: var(--primary);
  background: var(--surface);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  border: 1px solid var(--border);
  white-space: nowrap;
}

.timeline-item:nth-child(odd) .timeline-date {
  right: calc(50% + var(--space-12));
}

.timeline-item:nth-child(even) .timeline-date {
  left: calc(50% + var(--space-12));
}

.timeline-content {
  background: var(--surface);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  transition: var(--transition-base);
  position: relative;
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.company-header {
  margin-bottom: var(--space-6);
}

.company-header h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.company-header h4 {
  color: var(--text-secondary);
  font-weight: 500;
}

.company-type {
  color: var(--primary);
  font-size: 0.875rem;
}

.impact-metrics {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.metric {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

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

.achievements {
  list-style: none;
  margin-bottom: var(--space-6);
}

.achievements li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: 0.95rem;
  line-height: 1.6;
}

.achievements i {
  color: var(--success);
  margin-top: 2px;
  flex-shrink: 0;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag-category {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.tech-tags span:not(.tag-category) {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.tech-tags span:not(.tag-category):hover {
  background: var(--primary);
  color: var(--text-inverse);
  transform: translateY(-1px);
}

/* Skills Section - 2026 Tech Stack */
.skills-section {
  padding: var(--space-24) 0;
  background: var(--background);
}

.skills-intro {
  text-align: center;
  margin-bottom: var(--space-16);
}

.skills-intro p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.skills-showcase {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.skill-category.featured {
  background: linear-gradient(135deg, var(--surface) 0%, #f8fafc 100%);
  border: 2px solid var(--primary-light);
}

.skill-category:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.category-header i {
  font-size: 1.5rem;
  color: var(--primary);
}

.category-header h3 {
  flex-grow: 1;
  color: var(--text-primary);
}

.badge-hot {
  background: var(--gradient-accent);
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  animation: pulse 2s infinite;
}

.featured-skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.skill-card.expert {
  border-color: var(--primary-light);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, var(--surface) 100%);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.skill-icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.skill-card h4 {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.skill-card p {
  font-size: 0.875rem;
  margin-bottom: var(--space-3);
}

.skill-level-indicator {
  margin-top: auto;
}

.level {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.level.expert {
  background: var(--success);
  color: var(--text-inverse);
}

.skills-grid {
  display: grid;
  gap: var(--space-4);
}

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
}

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

.skill-name {
  font-weight: 500;
  color: var(--text-primary);
  min-width: 120px;
}

.skill-bar {
  flex-grow: 1;
  height: 8px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.skill-level {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 2s ease-out;
  position: relative;
}

.skill-level::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

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

.skill-percentage {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  min-width: 40px;
  text-align: right;
}

.language-skills {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
}

.language-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: var(--transition-base);
  position: relative;
}

.language-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.flag {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.language-card h4 {
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.language-card p {
  margin-bottom: var(--space-4);
  font-size: 0.875rem;
}

.progress-ring {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto;
}

.progress-ring svg {
  width: 80px;
  height: 80px;
  transform: rotate(-90deg);
}

.progress-ring circle {
  fill: none;
  stroke-width: 6;
}

.progress-ring circle:first-child {
  stroke: var(--border);
}

.progress-ring circle:last-child {
  stroke: var(--primary);
  stroke-linecap: round;
  stroke-dasharray: 226;
  animation: progress 2s ease-out forwards;
}

.progress-ring span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 600;
  color: var(--primary);
}

@keyframes progress {
  from { stroke-dashoffset: 226; }
}

.certifications {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
}

.certifications h3 {
  margin-bottom: var(--space-6);
  color: var(--text-primary);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.cert-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  transition: var(--transition-base);
}

.cert-card.in-progress {
  border-color: var(--warning);
  background: rgba(245, 158, 11, 0.05);
}

.cert-card.completed {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.05);
}

.cert-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cert-card i {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.cert-card.in-progress i {
  color: var(--warning);
}

.cert-card.completed i {
  color: var(--success);
}

.cert-card h4 {
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.cert-card p {
  font-size: 0.875rem;
}

/* Projects Section - Modern Showcase */
.projects-section {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.projects-intro {
  text-align: center;
  margin-bottom: var(--space-16);
}

.projects-intro p {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.featured-project {
  background: var(--surface);
  border: 2px solid var(--primary-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  margin-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.featured-project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.featured-badge {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

.featured-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  z-index: 1;
}

.featured-info h3 {
  font-size: 2rem;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.featured-description {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
  color: var(--text-secondary);
}

.featured-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.highlight {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(99, 102, 241, 0.05);
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

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

.featured-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.status-badge {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.code-preview {
  background: #1e293b;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: #334155;
  border-bottom: 1px solid #475569;
}

.code-file {
  color: #e2e8f0;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
}

.code-lang {
  color: #94a3b8;
  font-size: 0.75rem;
}

.code-preview pre {
  margin: 0;
  padding: var(--space-4);
  background: #1e293b;
  color: #e2e8f0;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.project-card.production {
  border-color: var(--success);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.project-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid var(--border);
}

.status-live {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-complete {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.github-stars {
  color: var(--warning);
  font-size: 0.875rem;
  font-weight: 500;
}

.project-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6) var(--space-3);
}

.project-icon {
  color: var(--primary);
  font-size: 1.5rem;
}

.project-header h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
}

.project-description {
  padding: 0 var(--space-6);
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0 var(--space-6);
  margin-bottom: var(--space-4);
}

.project-tech span {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

.project-metrics {
  display: flex;
  gap: var(--space-4);
  padding: 0 var(--space-6);
  margin-bottom: var(--space-4);
}

.project-metrics .metric {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.project-links {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.01);
}

.github-cta {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.github-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-6);
}

.github-stats .stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--text-secondary);
}

.github-stats i {
  color: var(--primary);
  font-size: 1.25rem;
}

/* Education Section - Modern Timeline */
.education-section {
  padding: var(--space-24) 0;
  background: var(--background);
}

.education-timeline {
  display: grid;
  gap: var(--space-8);
  max-width: 800px;
  margin: 0 auto;
}

.education-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-6);
  position: relative;
  transition: var(--transition-base);
}

.education-card.current {
  border-color: var(--primary-light);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, var(--surface) 100%);
}

.education-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.education-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--gradient-primary);
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.education-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.education-content h3 {
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.education-content h4 {
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.education-period {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
}

.education-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.education-highlights span {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

.education-note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

/* CTA Section - Modern Gradient */
.cta-section {
  padding: var(--space-20) 0;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-6);
  font-weight: 700;
}

.cta-content > p {
  font-size: 1.25rem;
  margin-bottom: var(--space-8);
  opacity: 0.9;
  line-height: 1.6;
  color: var(--text-inverse);
}

.cta-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
}

.cta-feature i {
  color: var(--success);
}

.cta-content .btn {
  background: var(--surface);
  color: var(--primary);
  border: none;
  font-weight: 600;
  padding: var(--space-4) var(--space-8);
}

.cta-content .btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

/* Contact Section - Modern Layout */
.contact-section {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.contact-intro {
  text-align: center;
  margin-bottom: var(--space-16);
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-12);
}

.contact-info {
  display: grid;
  gap: var(--space-6);
}

.contact-card,
.availability-card,
.social-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.contact-card h3,
.availability-card h3,
.social-card h3 {
  margin-bottom: var(--space-4);
  color: var(--text-primary);
  font-size: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item i {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
}

.contact-label {
  font-weight: 500;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.contact-item a {
  color: var(--primary);
  font-weight: 500;
}

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

.availability-card ul {
  list-style: none;
}

.availability-card li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

.availability-card i {
  color: var(--success);
}

.social-links.large {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

.social-links.large a {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition-base);
}

.social-links.large a:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.contact-form h3 {
  margin-bottom: var(--space-6);
  color: var(--text-primary);
  font-size: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  background: var(--surface);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Footer - Modern Design */
footer {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: var(--text-inverse);
  padding: var(--space-16) 0 var(--space-8);
  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(99, 102, 241, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  position: relative;
  z-index: 1;
}

.footer-brand h3 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.75rem;
  margin-bottom: var(--space-2);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-3);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--success);
  font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4 {
  margin-bottom: var(--space-4);
  color: var(--text-inverse);
  font-size: 1.125rem;
}

.footer-links a,
.footer-contact a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-2);
  transition: var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--text-inverse);
  transform: translateX(4px);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-base);
  margin: 0;
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

.footer-tech {
  display: flex;
  gap: var(--space-2);
}

.footer-tech span {
  color: var(--primary-light);
}

/* Scroll Top Button */
.scroll-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--text-inverse);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

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

.scroll-top:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: var(--shadow-xl);
}

/* Responsive Design - Mobile First */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .featured-content {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  }
}

@media (max-width: 992px) {
  .hero-role {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }
  
  .timeline::before {
    left: var(--space-8);
  }
  
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(var(--space-8) + var(--space-6));
    margin-right: 0;
  }
  
  .timeline-item:nth-child(odd) .timeline-date,
  .timeline-item:nth-child(even) .timeline-date {
    left: calc(var(--space-8) + var(--space-8));
    right: auto;
  }
  
  .timeline-item::before {
    left: var(--space-8);
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  /* Mobile Navigation */
  .nav-links {
    position: fixed;
    top: 5rem;
    right: -100%;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    width: 100%;
    height: calc(100vh - 5rem);
    padding: var(--space-8);
    gap: var(--space-6);
    transition: right 0.3s ease;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-inverse);
    cursor: pointer;
    transition: var(--transition-base);
  }
  
  .menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
  }
  
  .hero {
    padding: var(--space-16) var(--space-4);
  }
  
  .hero-location {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .about-image {
    order: -1;
  }
  
  .profile-img {
    width: 200px;
    height: 200px;
  }
  
  .availability-badge,
  .work-auth-badge {
    position: static;
    display: inline-block;
    margin: var(--space-2);
  }
  
  .value-props {
    gap: var(--space-4);
  }
  
  .value-prop {
    flex-direction: column;
    text-align: center;
    padding: var(--space-6);
  }
  
  .featured-highlights {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .education-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .education-icon {
    margin: 0 auto;
  }
  
  .cta-features {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    gap: var(--space-4);
  }
  
  .github-stats {
    flex-direction: column;
    gap: var(--space-4);
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .hero {
    padding: var(--space-12) var(--space-3);
  }
  
  .hero-badge {
    font-size: 0.75rem;
    padding: var(--space-1) var(--space-3);
  }
  
  .impact-metrics {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .project-links {
    flex-direction: column;
    gap: var(--space-2);
  }
  
  .social-links.large {
    gap: var(--space-3);
  }
  
  .social-links.large a {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  .scroll-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 45px;
    height: 45px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* Menu Toggle (hidden by default, shown on mobile) */
.menu-toggle {
  display: none;
}

/* Animation Utilities */
@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 zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading States */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Focus Styles for Accessibility */
.btn:focus,
.social-link:focus,
.nav-links a:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0f172a;
    --surface: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border: #334155;
    --border-strong: #475569;
  }
}