/* Material Design Dark Theme CSS */
:root {
  /* Material Design Dark Color Palette */
  --primary-color: #bb86fc;
  --primary-light: #d7b4ff;
  --primary-dark: #985eff;
  --secondary-color: #03dac6;
  --accent-color: #cf6679;
  --error-color: #cf6679;
  
  /* Modern Colors */
  --neon-blue: #00d4ff;
  --neon-purple: #b794f6;
  --neon-green: #68d391;
  --neon-orange: #ffa726;
  
  /* Dark Surface Colors */
  --surface-color: #1e1e1e;
  --background-color: #121212;
  --card-color: #1e1e1e;
  --elevated-surface: #2d2d2d;
  --elevated-surface-2: #383838;
  
  /* Text Colors for Dark Theme */
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --text-hint: #717171;
  --text-on-primary: #000000;
  --text-on-surface: #ffffff;
  --text-disabled: #606060;
  
  /* Dark Theme Shadows with Glow */
  --shadow-1: 0 2px 8px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
  --shadow-2: 0 4px 16px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.08);
  --shadow-3: 0 8px 32px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.1);
  --shadow-4: 0 16px 64px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.12);
  --glow-primary: 0 0 20px rgba(187, 134, 252, 0.4);
  --glow-secondary: 0 0 20px rgba(3, 218, 198, 0.4);
  --glow-accent: 0 0 20px rgba(207, 102, 121, 0.4);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  
  /* Border Radius */
  --border-radius: 8px;
  --border-radius-lg: 12px;
}

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

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 50%, #533483 75%, var(--primary-color) 100%);
  color: var(--text-primary);
  padding: var(--spacing-xxl) 0;
  box-shadow: var(--shadow-3), var(--glow-primary);
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(187, 134, 252, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(3, 218, 198, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 40% 80%, rgba(207, 102, 121, 0.1) 0%, transparent 50%);
  opacity: 0.6;
}

.header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
  opacity: 0.2;
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(187, 134, 252, 0.3), rgba(3, 218, 198, 0.3));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-2), var(--glow-primary);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.1);
}

.avatar .material-icons {
  font-size: 40px;
  color: var(--text-primary);
}

.header-text h1.name {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.5px;
}

.header-text .title {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--spacing-xs);
  opacity: 0.9;
}

.header-text .subtitle {
  font-size: 1rem;
  font-weight: 300;
  opacity: 0.8;
  margin-bottom: var(--spacing-md);
}

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

.social-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-1);
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2), var(--glow-primary);
}

.social-link .material-icons {
  font-size: 1.1rem;
}

/* Main Content */
.main {
  padding: var(--spacing-xxl) 0;
}

/* Section Titles */
.section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.75rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-color);
}

.section-title .material-icons {
  font-size: 2rem;
  color: var(--primary-color);
}

/* Cards with Glass Effect */
.card {
  background: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.card:hover {
  background: rgba(30, 30, 30, 0.8);
  border-color: rgba(187, 134, 252, 0.3);
  box-shadow: var(--shadow-2), var(--glow-primary);
  transform: translateY(-3px);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
  color: var(--text-on-primary);
}

.card-header .material-icons {
  font-size: 1.5rem;
}

.card-header h3 {
  font-size: 1.25rem;
  font-weight: 500;
  margin: 0;
}

.card-content {
  padding: var(--spacing-lg);
}

.card-content h2 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

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

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

.card-content li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.card-content li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Section Layouts */
.intro-section {
  margin-bottom: var(--spacing-xxl);
}

.journey-section {
  margin-bottom: var(--spacing-xxl);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* Expertise Section */
.expertise-section {
  margin-bottom: var(--spacing-xxl);
}

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

.expertise-card {
  background: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
}

.expertise-card:hover {
  box-shadow: var(--shadow-3), var(--glow-primary);
  transform: translateY(-6px);
  border-color: rgba(187, 134, 252, 0.3);
}

/* Cloud Computing Card */
.expertise-card:nth-child(1) .expertise-icon {
  background: linear-gradient(135deg, var(--neon-blue), #0099cc);
}

.expertise-card:nth-child(1):hover {
  box-shadow: var(--shadow-3), 0 0 30px rgba(0, 212, 255, 0.4);
}

.expertise-card:nth-child(1)::before {
  background: linear-gradient(90deg, var(--neon-blue), #00aaff);
}

/* AI & DataOps Card */
.expertise-card:nth-child(2) .expertise-icon {
  background: linear-gradient(135deg, var(--neon-purple), var(--primary-color));
}

.expertise-card:nth-child(2):hover {
  box-shadow: var(--shadow-3), var(--glow-primary);
}

.expertise-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--neon-purple), var(--primary-color));
}

/* DevOps Card */
.expertise-card:nth-child(3) .expertise-icon {
  background: linear-gradient(135deg, var(--neon-green), #4ade80);
}

.expertise-card:nth-child(3):hover {
  box-shadow: var(--shadow-3), 0 0 30px rgba(104, 211, 145, 0.4);
}

.expertise-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--neon-green), #22c55e);
}

/* Automotive Tech Card */
.expertise-card:nth-child(4) .expertise-icon {
  background: linear-gradient(135deg, var(--neon-orange), #ff8500);
}

.expertise-card:nth-child(4):hover {
  box-shadow: var(--shadow-3), 0 0 30px rgba(255, 167, 38, 0.4);
}

.expertise-card:nth-child(4)::before {
  background: linear-gradient(90deg, var(--neon-orange), #ff9500);
}

.expertise-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.expertise-card:hover .expertise-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-3);
}

.expertise-icon .material-icons {
  font-size: 2.2rem;
  color: var(--text-on-primary);
}

.expertise-card h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.expertise-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Leadership Section */
.leadership-section {
  margin-bottom: var(--spacing-xxl);
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.leadership-item {
  background: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 4px solid var(--accent-color);
  position: relative;
  overflow: hidden;
}

.leadership-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-color), #ff7043);
}

.leadership-item:hover {
  background: rgba(30, 30, 30, 0.8);
  border-color: rgba(207, 102, 121, 0.4);
  box-shadow: var(--shadow-2), var(--glow-accent);
  transform: translateY(-3px);
}

.leadership-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent-color), #ff7043);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.leadership-icon .material-icons {
  font-size: 1.75rem;
  color: var(--text-on-primary);
}

.leadership-item h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.leadership-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Personal Section */
.personal-section {
  margin-bottom: var(--spacing-xxl);
}

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

.personal-item {
  background: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.personal-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.personal-item:hover {
  background: rgba(30, 30, 30, 0.8);
  border-color: rgba(187, 134, 252, 0.3);
  box-shadow: var(--shadow-2), var(--glow-primary);
  transform: translateY(-3px);
}

.personal-item .material-icons {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  display: block;
}

.personal-item h4 {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.personal-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #2d2d2d 100%);
  color: var(--text-primary);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.footer-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.footer-item .material-icons {
  color: var(--primary-light);
  margin-top: 2px;
}

.footer-item a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-item a:hover {
  color: var(--text-on-primary);
  text-decoration: underline;
}

.footer-item p {
  margin: 0;
  opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .header {
    padding: var(--spacing-lg) 0;
  }
  
  .header-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
  
  .header-text h1.name {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .cards-grid,
  .expertise-grid,
  .leadership-grid,
  .personal-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .header-text h1.name {
    font-size: 1.75rem;
  }
  
  .header-text .title {
    font-size: 1.125rem;
  }
  
  .card-content,
  .expertise-card,
  .leadership-item,
  .personal-item {
    padding: var(--spacing-lg);
  }
  
  .expertise-icon,
  .leadership-icon {
    width: 48px;
    height: 48px;
  }
  
  .expertise-icon .material-icons,
  .leadership-icon .material-icons {
    font-size: 1.5rem;
  }
}

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

.card,
.expertise-card,
.leadership-item,
.personal-item {
  animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header {
    background: var(--primary-color) !important;
    -webkit-print-color-adjust: exact;
  }
  
  .card,
  .expertise-card,
  .leadership-item,
  .personal-item {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #ddd;
  }
}