:root {
      --bg-primary: #000000;
      --bg-secondary: #0d1117;
      --bg-card: #21262d;
      --text-primary: #ffffff;
      --text-secondary: #8b949e;
      --text-muted: #6e7681;
      --border-primary: #30363d;
      --accent-green: #39d353;
      --accent-blue: #58a6ff;
      --terminal-green: #00ff41;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 2rem;
      overflow-x: hidden;
    }
    
    body {
      font-family: 'Inter', sans-serif;
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Lightweight Grid Background */
    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.15) 1px, transparent 0);
      background-size: 20px 20px;
      z-index: -1;
      pointer-events: none;
    }

    /* Simplified Navigation */
    .nav-container {
      position: fixed;
      top: 1.5rem;
      right: 1.5rem;
      z-index: 1000;
      background: var(--bg-card);
      border: 1px solid var(--border-primary);
      border-radius: 8px;
      padding: 0.5rem;
      backdrop-filter: blur(10px);
    }

    .nav-dots {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .nav-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .nav-dot.active {
      background: var(--accent-green);
      transform: scale(1.2);
    }

    .nav-dot:hover:not(.active) {
      background: var(--text-secondary);
    }

    /* Optimized Sections */
    .section {
      min-height: 100vh;
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      padding: 1rem 1rem;
      will-change: transform, opacity;
    }

    .container {
      width: 100%;
      max-width: 85%;
    }

    /* Hero Section */
    .hero {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }

    .hero-content {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .terminal-prompt {
      font-family: 'JetBrains Mono', monospace;
      color: var(--terminal-green);
      font-size: 0.9rem;
      margin-bottom: 1rem;
      opacity: 0.8;
    }

    .hero-title {
      font-family: 'JetBrains Mono', monospace;
      font-size: clamp(2rem, 6vw, 4rem);
      font-weight: 600;
      line-height: 1.2;
      margin-bottom: 1rem;
      color: var(--text-primary);
    }

    .hero-subtitle {
      font-family: 'JetBrains Mono', monospace;
      font-size: 1.2rem;
      color: var(--accent-blue);
      margin-bottom: 2rem;
      font-weight: 500;
    }

    .typing-container {
      margin-bottom: 2rem;
    }

    .typing-text {
      font-family: 'JetBrains Mono', monospace;
      font-size: 1.1rem;
      color: var(--accent-green);
      min-height: 1.5rem;
    }

    .cursor {
      animation: blink 1s infinite;
    }

    @keyframes blink {
      0%, 50% { opacity: 1; }
      51%, 100% { opacity: 0; }
    }

    .hero-description {
      font-size: 1rem;
      line-height: 1.7;
      color: var(--text-secondary);
      margin-bottom: 2rem;
      max-width: 500px;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      align-items: center;
      flex-wrap: wrap;
    }

    .btn-primary {
      background: var(--bg-card);
      color: var(--text-primary);
      border: 1px solid var(--border-primary);
      padding: 0.75rem 1.5rem;
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.85rem;
      cursor: pointer;
      border-radius: 4px;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .btn-primary:hover {
      border-color: var(--accent-green);
      color: var(--accent-green);
      transform: translateY(-1px);
    }

    .social-links {
      display: flex;
      gap: 0.5rem;
    }

    .social-link {
      width: 36px;
      height: 36px;
      background: var(--bg-card);
      border: 1px solid var(--border-primary);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      color: var(--text-secondary);
      font-size: 0.9rem;
      transition: all 0.2s ease;
      font-family: 'JetBrains Mono', monospace;
    }

    .social-link:hover {
      border-color: var(--accent-blue);
      color: var(--accent-blue);
      transform: translateY(-1px);
    }

    /* Lightweight Code Block */
    .code-block {
      background: var(--bg-secondary);
      border: 1px solid var(--border-primary);
      border-radius: 8px;
      padding: 1rem;
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.8rem;
      line-height: 1.6;
    }

    .code-header {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid var(--border-primary);
    }

    .code-dots {
      display: flex;
      gap: 0.25rem;
    }

    .code-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }

    .code-dot.red { background: #ff5f56; }
    .code-dot.yellow { background: #ffbd2e; }
    .code-dot.green { background: #27ca3f; }

    .code-title {
      color: var(--text-secondary);
      font-size: 0.7rem;
      margin-left: auto;
    }

    .code-line {
      margin: 0.3rem 0;
    }

    .keyword { color: var(--accent-blue); }
    .string { color: var(--accent-green); }
    .comment { color: var(--text-muted); }
    .function { color: #f9e71e; }
    .variable { color: var(--text-primary); }

    /* Section Headers */
    .section-header {
      margin-bottom: 3rem;
      text-align: center;
    }

    .section-meta {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.5rem;
    }

    .section-title {
      font-family: 'JetBrains Mono', monospace;
      font-size: clamp(2rem, 5vw, 3rem);
      font-weight: 600;
      margin-bottom: 1rem;
      color: var(--text-primary);
    }

    .section-description {
      font-size: 1rem;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto;
    }

    /* About Section with Profile Picture */
    .about-container {
      display: flex;
      align-items: flex-start;
      gap: 2rem;
      margin: 0 auto;
    }

    .profile-photo {
      width: 200px;
      height: 200px;
      border-radius: 50%;
      object-fit: cover;
      border: 3px solid var(--accent-green);
      transition: all 0.3s ease;
      flex-shrink: 0;
      margin-top:5%;
    }

    .profile-photo:hover {
      transform: translateY(-5px);
      border-color: var(--accent-blue);
    }

    /* About Content */
    .about-content {
      background: var(--bg-card);
      border: 1px solid var(--border-primary);
      border-radius: 8px;
      padding: 2rem;
      font-size: 1rem;
      line-height: 1.7;
      color: var(--text-secondary);
      flex: 1;
    }

    /* Skills Grid */
    .skills-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      margin-top: 3rem;
    }

    .skill-card {
      background: var(--bg-card);
      border: 1px solid var(--border-primary);
      border-radius: 8px;
      padding: 1.5rem;
      transition: all 0.2s ease;
    }

    .skill-card:hover {
      border-color: var(--accent-green);
      transform: translateY(-2px);
    }

    .skill-card h3 {
      font-family: 'JetBrains Mono', monospace;
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .skill-list {
      list-style: none;
    }

    .skill-item {
      padding: 0.4rem 0;
      color: var(--text-secondary);
      font-size: 0.9rem;
      border-bottom: 1px solid rgba(48, 54, 61, 0.3);
      font-family: 'JetBrains Mono', monospace;
      position: relative;
      padding-left: 1rem;
    }

    .skill-item::before {
      content: '•';
      position: absolute;
      left: 0;
      color: var(--accent-green);
    }

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

    .skill-item:hover {
      color: var(--text-primary);
    }

    /* Timeline */
    .timeline {
      max-width: 800px;
      margin: 3rem auto 0;
      position: relative;
      padding-left: 2rem;
    }

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

    .timeline-item {
      position: relative;
      margin-bottom: 3rem;
      padding-left: 2rem;
      transition: all 0.2s ease;
    }

    .timeline-item:hover {
      transform: translateX(5px);
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: -5px;
      top: 1rem;
      width: 8px;
      height: 8px;
      background: var(--accent-green);
      border-radius: 50%;
      border: 2px solid var(--bg-primary);
    }

    .timeline-date {
      font-family: 'JetBrains Mono', monospace;
      font-size: 0.8rem;
      color: var(--accent-blue);
      margin-bottom: 0.5rem;
    }

    .timeline-title {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .timeline-company {
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin-bottom: 1rem;
      font-style: italic;
    }

    .timeline-description {
      color: var(--text-secondary);
      line-height: 1.6;
      font-size: 0.95rem;
    }

    /* Contact Cards */
    .contact-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 0.5rem;
      margin-top: 3rem;
      max-width: 100%;
      margin-left: auto;
      margin-right: auto;
    }

    .contact-card {
      background: var(--bg-card);
      border: 1px solid var(--border-primary);
      border-radius: 8px;
      padding: 1.5rem;
      text-align: center;
      transition: all 0.2s ease;
    }

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

    .contact-icon {
      font-size: 2rem;
      margin-bottom: 1rem;
      color: var(--accent-blue);
    }

    .contact-card h4 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 0.5rem;
      color: var(--text-primary);
    }

    .contact-card a,
    .contact-card p {
      color: var(--text-secondary);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .contact-card a:hover {
      color: var(--accent-blue);
    }

    /* Lightweight Scroll Indicator */
    .scroll-indicator {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
    user-select: none;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
  }

  .scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
  }

  .scroll-text {
    margin-bottom: 0.3rem;
    animation: textFade 2s ease-in-out infinite;
  }

  .scroll-arrow {
    font-size: 1.2rem;
    animation: bounce 1.2s infinite ease-in-out;
    margin-bottom: 0.3rem;
  }

  .scroll-line {
    width: 2px;
    height: 40px;
    background: var(--border-primary);
    border-radius: 1px;
    position: relative;
    overflow: hidden;
  }

  .scroll-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--accent-green);
    border-radius: 1px;
    transition: height 0.3s ease-out;
  }

  @keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
  }

  @keyframes textFade {
    0%, 100% {
      opacity: 0.6;
      transform: translateY(0);
    }
    50% {
      opacity: 1;
      transform: translateY(-2px);
    }
  }


    /* Responsive Design */
    @media (max-width: 768px) {
      .nav-container {
        top: 1rem;
        right: 1rem;
      }

      .nav-dots {
        flex-direction: row;
        gap: 0.5rem;
      }

      .section {
        padding: 3rem 1rem;
      }

      .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
      }

      .about-container {
        flex-direction: column;
        text-align: center;
      }

      .profile-photo {
        width: 150px;
        height: 150px;
        margin: 0 auto;
      }

      .skills-grid {
        grid-template-columns: 1fr;
      }

      .timeline {
        padding-left: 1.5rem;
      }

      .timeline-item {
        padding-left: 1.5rem;
      }
    }

    @media (max-width: 480px) {
      .section {
        padding: 4rem 0.5rem;
      }

      .skill-card,
      .contact-card {
        padding: 1rem;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .social-links {
        justify-content: center;
      }

      .profile-photo {
        width: 120px;
        height: 120px;
      }
    }

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