:root {
  /* Colors - Dark Theme */
  --bg-primary: #0a0f1c;
  --bg-secondary: #0f1629;
  --bg-tertiary: #1e2a47;
  --bg-card: rgba(15, 22, 41, 0.8);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --accent-light: rgba(14, 165, 233, 0.15);
  --accent-glow: rgba(14, 165, 233, 0.4);
  --border: rgba(148, 163, 184, 0.12);
  --border-light: rgba(148, 163, 184, 0.08);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 0 0 3px rgba(14, 165, 233, 0.2);
  --glow: 0 0 20px rgba(14, 165, 233, 0.3);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent) 0%, #3b82f6 50%, #8b5cf6 100%);
  --gradient-text: linear-gradient(135deg, #60a5fa, #a78bfa, #f472b6);
  --gradient-bg: 
    radial-gradient(600px circle at 25% 25%, rgba(14, 165, 233, 0.15), transparent 50%),
    radial-gradient(800px circle at 75% 75%, rgba(139, 92, 246, 0.1), transparent 50%),
    radial-gradient(1000px circle at 50% 0%, rgba(59, 130, 246, 0.08), transparent 50%),
    var(--bg-primary);
  
  /* Particle colors */
  --particle-color-1: rgba(14, 165, 233, 0.6);
  --particle-color-2: rgba(139, 92, 246, 0.4);
  --particle-color-3: rgba(59, 130, 246, 0.5);
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --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-24: 6rem;
  
  /* Animation */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --animation-float: float 6s ease-in-out infinite;
  --animation-glow: glow 2s ease-in-out infinite alternate;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(248, 250, 252, 0.8);
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent: #0284c7;
  --accent-hover: #0369a1;
  --accent-light: rgba(2, 132, 199, 0.1);
  --accent-glow: rgba(2, 132, 199, 0.3);
  --border: rgba(15, 23, 42, 0.12);
  --border-light: rgba(15, 23, 42, 0.08);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
  --glow: 0 0 20px rgba(2, 132, 199, 0.2);
  --gradient-bg: 
    radial-gradient(600px circle at 25% 25%, rgba(2, 132, 199, 0.08), transparent 50%),
    radial-gradient(800px circle at 75% 75%, rgba(139, 92, 246, 0.05), transparent 50%),
    radial-gradient(1000px circle at 50% 0%, rgba(59, 130, 246, 0.04), transparent 50%),
    var(--bg-primary);
  
  --particle-color-1: rgba(2, 132, 199, 0.4);
  --particle-color-2: rgba(139, 92, 246, 0.3);
  --particle-color-3: rgba(59, 130, 246, 0.3);
}

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

html {
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--gradient-bg);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: var(--transition);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--gradient-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 1;
  visibility: visible;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.loading-logo {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-8);
  animation: var(--animation-float), var(--animation-glow);
}

.loading-logo svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

.loading-progress {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.loading-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 999px;
  width: 0%;
  animation: loading-progress 2s ease-in-out forwards;
  box-shadow: 0 0 10px var(--accent-glow);
}

.loading-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  animation: fade-pulse 1.5s ease-in-out infinite;
}

/* Language Selector */
.language-selector {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.language-selector.active {
  opacity: 1;
  visibility: visible;
}

.language-modal {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: var(--space-12);
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.8) translateY(20px);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.language-selector.active .language-modal {
  transform: scale(1) translateY(0);
}

.language-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-6);
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  animation: var(--animation-glow);
}

.language-modal h2 {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.language-modal p {
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.language-option {
  background: var(--bg-tertiary);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: var(--space-6);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.language-option:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.language-option.selected {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: var(--glow);
}

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

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

.language-continue {
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 12px;
  padding: var(--space-4) var(--space-8);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.language-continue:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow);
}

.language-continue:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Particle Background */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--particle-color-1);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

.particle:nth-child(2n) {
  background: var(--particle-color-2);
  animation-duration: 15s;
}

.particle:nth-child(3n) {
  background: var(--particle-color-3);
  animation-duration: 20s;
}

/* Custom Cursor */
.cursor-dot, .cursor-outline {
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  border-radius: 50%;
  transition: all 0.1s ease-out;
  mix-blend-mode: difference;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--accent-glow);
}

.cursor-outline {
  width: 40px;
  height: 40px;
  border: 2px solid var(--accent);
  transform: translate(-50%, -50%);
  transition: all 0.15s ease-out;
  opacity: 0.6;
}

@media (hover: none) {
  .cursor-dot, .cursor-outline {
    display: none;
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

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

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

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

.section {
  padding: var(--space-24) 0;
  position: relative;
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-top: var(--space-4);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: saturate(1.8) blur(20px);
  background: rgba(10, 15, 28, 0.8);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.8);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  min-height: 80px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
  text-decoration: none;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow), var(--glow);
  color: white;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2;
}

.logo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.2;
  transition: var(--transition);
}

.logo:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-lg), var(--glow);
}

.logo:hover::before {
  opacity: 0.4;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.desktop-nav a {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: var(--space-2) 0;
  transition: var(--transition-fast);
}

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

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  border-radius: 1px;
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
  width: 100%;
}

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

.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.theme-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-2px) rotate(360deg);
  box-shadow: var(--glow);
}

.theme-toggle:hover::before {
  opacity: 0.1;
}

.theme-icon {
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.language-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.language-toggle:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
  border-radius: 1px;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-6);
  transform: translateY(-10px);
  opacity: 0;
  transition: var(--transition);
}

.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--accent);
  padding-left: var(--space-2);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav.active {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn:hover::before {
  transform: translateX(100%);
}

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

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

.btn--secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  transform: translateY(-1px);
  color: var(--accent);
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--space-24)) 0 var(--space-24);
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-text {
  position: relative;
  z-index: 3;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(14, 165, 233, 0.3);
  margin-bottom: var(--space-6);
  animation: var(--animation-glow);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
  box-shadow: 0 0 10px #10b981;
}

.hero h1 {
  margin-bottom: var(--space-6);
  animation: fade-up 1s ease-out 0.5s both;
}

.highlight {
  color: var(--accent);
  position: relative;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0.3;
  animation: expand-line 1s ease-out 1.5s both;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease-in-out infinite;
}

.lead {
  display:flex;
  font-size: 1.125rem;
  text-align: center !important;
  justify-content: center;
  margin-bottom: var(--space-8);
  margin-left: 90px;
  animation: fade-up 1s ease-out 0.7s both;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  animation: fade-up 1s ease-out 0.9s both;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--glow);
}

.chip:hover::before {
  opacity: 0.1;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fade-up 1s ease-out 1.1s both;
}

.featured-project {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  animation: fade-up 1s ease-out 0.8s both;
}

.featured-project:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--glow);
  border-color: rgba(14, 165, 233, 0.3);
}

.project-preview {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  margin-top: var(--space-4);
  cursor: pointer;
}

.project-preview img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-preview:hover .project-overlay {
  opacity: 1;
}

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

.play-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.play-btn:hover {
  transform: scale(1.1);
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--glow);
  border-color: rgba(14, 165, 233, 0.3);
}

.project-image {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: var(--space-4);
}

.project-link {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.project-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
  color: white;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.project-content {
  padding: var(--space-6);
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

.project-content p {
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

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

.tag {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.tag:hover {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
}

/* Experience Section - Timeline */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.timeline-item {
  position: relative;
  padding-left: var(--space-12);
  margin-bottom: var(--space-12);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 6px var(--accent-light), 0 0 20px var(--accent-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-8);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.timeline-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.timeline-content:hover {
  transform: translateX(8px);
  border-color: rgba(14, 165, 233, 0.3);
  box-shadow: var(--shadow-lg), var(--glow);
}

.timeline-content:hover::before {
  opacity: 0.05;
}

.timeline-date {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-2);
}

.company {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--space-3);
}

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

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-12);
  align-items: start;
}
.centered-hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.contact-form {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-8);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-4);
  color: var(--text-primary);
  transition: var(--transition);
  font-size: 1rem;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  background: var(--accent-light);
}

.contact-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-8);
  text-align: center;
}

.contact-card h3 {
  margin-bottom: var(--space-4);
}

.muted {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Footer */
.footer {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0;
  text-align: center;
  color: var(--text-muted);
}

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

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

@keyframes loading-progress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

@keyframes fade-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) translateX(0px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) translateX(200px);
    opacity: 0;
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulse-dot {
  0%, 100% { 
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 6px var(--accent-light), 0 0 20px var(--accent-glow); 
  }
  50% { 
    box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 10px var(--accent-light), 0 0 30px var(--accent-glow); 
  }
}

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

@keyframes expand-line {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

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

/* Reveal Animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="100"].revealed {
  transition-delay: 0.1s;
}

[data-reveal-delay="200"].revealed {
  transition-delay: 0.2s;
}

/* 3D Tilt Effect */
[data-tilt] {
  transform-style: preserve-3d;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Focus Styles */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .timeline::before {
    left: 12px;
  }
  
  .timeline-item {
    padding-left: var(--space-8);
  }
  
  .timeline-item::before {
    left: 4px;
  }

}