:root {
      --bg: #0a0a0a;
      --surface: #111;
      --card: #1a1a1a;
      --border: rgba(255,255,255,0.08);
      --text: #f8fafc;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --accent: #475be8;
      --accent-hover: #3730a3;
      --success: #10b981;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
      --radius: 12px;
      --transition: all 0.2s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* Header */
    .header {
      position: sticky;
      top: 0;
      z-index: 40;
      background: rgba(10, 10, 10, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 1rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text);
      text-decoration: none;
    }

    .nav {
      display: flex;
      gap: 2rem;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .nav a {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      padding: 0.5rem 0;
      border-radius: 6px;
      transition: var(--transition);
    }

    .nav a:hover,
    .nav a.active {
      color: var(--text);
      background: rgba(71, 91, 232, 0.1);
      border-radius: 6px;
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text);
      font-size: 1.5rem;
      cursor: pointer;
      padding: 0.5rem;
    }

    /* Hero */
    .hero {
      text-align: center;
      padding: 8rem 1.5rem 6rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    .hero h1 {
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      margin-bottom: 1rem;
      line-height: 1.2;
    }

    .hero p {
      font-size: 1.125rem;
      color: var(--text-secondary);
      max-width: 500px;
      margin: 0 auto 2rem;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(71, 91, 232, 0.15);
      color: var(--accent);
      padding: 0.5rem 1.25rem;
      border: 1px solid rgba(71, 91, 232, 0.2);
      border-radius: var(--radius);
      font-size: 0.875rem;
      font-weight: 600;
    }

    /* Grid */
    .projects {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem 8rem;
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
      gap: 2rem;
    }

    /* Project Card */
    .project-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: var(--transition);
      opacity: 0;
      transform: translateY(20px);
    }

    .project-card.animated {
      opacity: 1;
      transform: translateY(0);
    }

    .project-card:hover {
      border-color: rgba(71, 91, 232, 0.3);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .project-media {
      position: relative;
      height: 240px;
      overflow: hidden;
    }

    .project-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .slider-controls {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 100%;
      display: flex;
      justify-content: space-between;
      padding: 0 1rem;
      pointer-events: none;
    }

    .slider-btn {
      background: rgba(0,0,0,0.6);
      border: 1px solid rgba(255,255,255,0.2);
      color: white;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      transition: var(--transition);
      pointer-events: all;
    }

    .slider-btn:hover {
      background: var(--accent);
      border-color: var(--accent);
    }

    .slider-dots {
      position: absolute;
      bottom: 1rem;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 0.5rem;
    }

    .slider-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(255,255,255,0.4);
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }

    .slider-dot.active {
      background: var(--accent);
    }

    .project-content {
      padding: 2rem;
    }

    .project-title {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 0.75rem;
      line-height: 1.3;
    }

    .project-description {
      color: var(--text-secondary);
      margin-bottom: 1.5rem;
      line-height: 1.6;
    }

    .project-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-bottom: 1.5rem;
    }

    .tag {
      background: rgba(71, 91, 232, 0.1);
      color: var(--accent);
      padding: 0.25rem 0.75rem;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 500;
      border: 1px solid rgba(71, 91, 232, 0.2);
    }

    .project-actions {
      display: flex;
      gap: 1rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem 1.5rem;
      border: 1px solid var(--accent);
      color: var(--accent);
      background: transparent;
      text-decoration: none;
      border-radius: var(--radius);
      font-weight: 500;
      font-size: 0.9rem;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent);
      color: white;
    }

    .btn:hover {
      background: var(--accent-hover);
      color: white;
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
    }

    /* Footer */
    .footer {
      background: var(--surface);
      text-align: center;
      padding: 3rem 1.5rem;
      border-top: 1px solid var(--border);
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }

      .nav {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        background: var(--bg);
        flex-direction: column;
        padding: 5rem 1.5rem 1.5rem;
        gap: 1.5rem;
        border-left: 1px solid var(--border);
        transition: right 0.3s ease;
      }

      .nav.open {
        right: 0;
      }

      .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }

      .project-media {
        height: 220px;
      }

      .project-actions {
        flex-direction: column;
      }
    }

    @media (max-width: 480px) {
      .hero {
        padding: 6rem 1rem 4rem;
      }

      .projects {
        padding: 0 1rem 6rem;
      }
    }

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

    .visually-hidden {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    /* Focus styles */
    .slider-btn:focus,
    .btn:focus,
    .nav a:focus {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }