* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Inter', sans-serif;
      background: #0a0a0a;
      color: #e5e5e5;
      line-height: 1.7;
      overflow-x: hidden;
    }

    /* Custom properties */
    :root {
      --primary: #dc2626;
      --primary-light: #ef4444;
      --secondary: #f59e0b;
      --dark: #0a0a0a;
      --dark-surface: #141414;
      --dark-elevated: #1a1a1a;
      --dark-card: #1f1f1f;
      --text-muted: #9ca3af;
      --border: rgba(255, 255, 255, 0.08);
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #dc2626;
    }

    /* Typography */
    .display-font {
      font-family: 'Syne', sans-serif;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Syne', sans-serif;
      font-weight: 700;
    }

    /* Animated gradient background */
    .hero-gradient {
      background: 
        radial-gradient(circle at 10% 20%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.12) 0%, transparent 50%),
        linear-gradient(180deg, #0a0a0a 0%, #141414 100%);
      position: relative;
    }

    .hero-gradient::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: 
        repeating-linear-gradient(
          0deg,
          transparent,
          transparent 2px,
          rgba(255, 255, 255, 0.02) 2px,
          rgba(255, 255, 255, 0.02) 4px
        );
      pointer-events: none;
    }

    /* Content wrapper */
    .content-wrapper {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    /* Article content */
    .article-content {
      max-width: 800px;
      margin: 0 auto;
    }

    .article-content h2 {
      font-size: 2rem;
      margin-top: 3rem;
      margin-bottom: 1rem;
      color: #f3f4f6;
    }

    .article-content h3 {
      font-size: 1.5rem;
      margin-top: 2rem;
      margin-bottom: 0.75rem;
      color: #e5e7eb;
    }

    .article-content p {
      margin-bottom: 1.25rem;
      color: #d1d5db;
      line-height: 1.8;
    }

    .article-content ul, .article-content ol {
      margin-bottom: 1.25rem;
      padding-left: 1.5rem;
      color: #d1d5db;
    }

    .article-content li {
      margin-bottom: 0.5rem;
      line-height: 1.7;
    }

    /* Cards */
    .info-card {
      background: var(--dark-card);
      border: 1px solid var(--border);
      border-radius: 1rem;
      padding: 2rem;
      margin: 2rem 0;
      transition: all 0.3s ease;
    }

    .info-card:hover {
      border-color: var(--primary);
      box-shadow: 0 10px 40px rgba(220, 38, 38, 0.1);
      transform: translateY(-2px);
    }

    /* Expert badge */
    .expert-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 2rem;
      font-size: 0.875rem;
      font-weight: 600;
      color: white;
      box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
    }

    /* Timeline */
    .timeline-container {
      position: relative;
      padding: 2rem 0;
    }

    .timeline-item {
      position: relative;
      padding-left: 3rem;
      padding-bottom: 3rem;
      border-left: 2px solid var(--border);
    }

    .timeline-item:last-child {
      border-left-color: transparent;
      padding-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: -8px;
      top: 0;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 4px var(--dark), 0 0 12px var(--primary);
      animation: pulse 2s ease-in-out infinite;
    }

    /* Comparison table */
    .comparison-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      margin: 2rem 0;
      overflow: hidden;
      border-radius: 1rem;
      border: 1px solid var(--border);
    }

    .comparison-table th {
      background: var(--dark-elevated);
      padding: 1rem;
      text-align: left;
      font-weight: 600;
      border-bottom: 1px solid var(--border);
    }

    .comparison-table td {
      padding: 1rem;
      border-bottom: 1px solid var(--border);
      background: var(--dark-card);
    }

    .comparison-table tr:last-child td {
      border-bottom: none;
    }

    /* Warning box */
    .warning-box {
      background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(245, 158, 11, 0.1));
      border-left: 4px solid var(--primary);
      border-radius: 0.5rem;
      padding: 1.5rem;
      margin: 2rem 0;
    }

    /* Success box */
    .success-box {
      background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
      border-left: 4px solid var(--success);
      border-radius: 0.5rem;
      padding: 1.5rem;
      margin: 2rem 0;
    }

    /* Info box */
    .info-box {
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.1));
      border-left: 4px solid #3b82f6;
      border-radius: 0.5rem;
      padding: 1.5rem;
      margin: 2rem 0;
    }

    /* Quote block */
    .quote-block {
      background: var(--dark-elevated);
      border-left: 4px solid var(--secondary);
      padding: 1.5rem 2rem;
      margin: 2rem 0;
      font-style: italic;
      position: relative;
    }

    .quote-block::before {
      content: '"';
      position: absolute;
      top: -10px;
      left: 15px;
      font-size: 4rem;
      color: var(--secondary);
      opacity: 0.3;
      line-height: 1;
    }

    /* Stats grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.5rem;
      margin: 2rem 0;
    }

    .stat-item {
      background: var(--dark-card);
      border: 1px solid var(--border);
      border-radius: 0.75rem;
      padding: 1.5rem;
      text-align: center;
      transition: all 0.3s ease;
    }

    .stat-item:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(220, 38, 38, 0.2);
    }

    .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      font-family: 'Syne', sans-serif;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 0.5rem;
    }

    /* Button styles */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.875rem 1.75rem;
      border-radius: 0.5rem;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      cursor: pointer;
      border: none;
      font-size: 1rem;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), #b91c1c);
      color: white;
      box-shadow: 0 4px 14px rgba(220, 38, 38, 0.4);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(220, 38, 38, 0.5);
    }

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

    .btn-outline:hover {
      background: var(--secondary);
      color: var(--dark);
    }

    /* Table of Contents */
    .toc {
      background: var(--dark-elevated);
      border: 1px solid var(--border);
      border-radius: 1rem;
      padding: 2rem;
      position: sticky;
      top: 100px;
    }

    .toc-link {
      display: block;
      color: var(--text-muted);
      text-decoration: none;
      padding: 0.5rem 0;
      border-left: 2px solid transparent;
      padding-left: 1rem;
      transition: all 0.3s ease;
    }

    .toc-link:hover {
      color: var(--primary);
      border-left-color: var(--primary);
      padding-left: 1.5rem;
    }

    /* Author card */
    .author-card {
      background: var(--dark-elevated);
      border: 1px solid var(--border);
      border-radius: 1rem;
      padding: 2rem;
      margin: 3rem 0;
    }

    .author-avatar {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      font-weight: 800;
      color: white;
    }

    /* FAQ accordion */
    .faq-item {
      background: var(--dark-card);
      border: 1px solid var(--border);
      border-radius: 0.75rem;
      margin-bottom: 1rem;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-item:hover {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 1.5rem;
      cursor: pointer;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-answer {
      padding: 0 1.5rem 1.5rem;
      color: var(--text-muted);
      display: none;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-icon {
      transition: transform 0.3s ease;
      font-size: 1.5rem;
      color: var(--primary);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* Breadcrumb */
    .breadcrumb {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 2rem;
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    .breadcrumb a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.3s ease;
    }

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

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

    /* Scrollbar styling */
    ::-webkit-scrollbar {
      width: 10px;
    }

    ::-webkit-scrollbar-track {
      background: var(--dark);
    }

    ::-webkit-scrollbar-thumb {
      background: var(--primary);
      border-radius: 5px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: var(--secondary);
    }

    /* ============================================
       ANIMATIONS
       ============================================ */

    /* Fade in animation */
    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .fade-in {
      animation: fadeIn 0.8s ease-out forwards;
    }

    /* Slide in from left */
    @keyframes slideInLeft {
      from {
        opacity: 0;
        transform: translateX(-30px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

    .slide-in-left {
      animation: slideInLeft 0.8s ease-out forwards;
    }

    /* Slide in from right */
    @keyframes slideInRight {
      from {
        opacity: 0;
        transform: translateX(30px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

    .slide-in-right {
      animation: slideInRight 0.8s ease-out forwards;
    }

    /* Scale in */
    @keyframes scaleIn {
      from {
        opacity: 0;
        transform: scale(0.9);
      }
      to {
        opacity: 1;
        transform: scale(1);
      }
    }

    .scale-in {
      animation: scaleIn 0.6s ease-out forwards;
    }

    /* Pulse */
    @keyframes pulse {
      0%, 100% {
        transform: scale(1);
        opacity: 1;
      }
      50% {
        transform: scale(1.05);
        opacity: 0.8;
      }
    }

    /* Glow effect */
    @keyframes glow {
      0%, 100% {
        box-shadow: 0 0 5px rgba(220, 38, 38, 0.3);
      }
      50% {
        box-shadow: 0 0 20px rgba(220, 38, 38, 0.6);
      }
    }

    /* Float */
    @keyframes float {
      0%, 100% {
        transform: translateY(0px);
      }
      50% {
        transform: translateY(-15px);
      }
    }

    .float-animation {
      animation: float 3s ease-in-out infinite;
    }

    /* Stagger animations */
    .stagger-1 { animation-delay: 0.1s; }
    .stagger-2 { animation-delay: 0.2s; }
    .stagger-3 { animation-delay: 0.3s; }
    .stagger-4 { animation-delay: 0.4s; }
    .stagger-5 { animation-delay: 0.5s; }
    .stagger-6 { animation-delay: 0.6s; }

    /* Title animation */
    .animated-title {
      opacity: 0;
      animation: titleReveal 1s ease-out forwards;
    }

    @keyframes titleReveal {
      0% {
        opacity: 0;
        transform: translateY(-20px);
        letter-spacing: 0.5em;
      }
      100% {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: -0.02em;
      }
    }

    /* Highlight effect */
    .highlight {
      background: linear-gradient(90deg, 
        rgba(220, 38, 38, 0) 0%, 
        rgba(220, 38, 38, 0.2) 50%, 
        rgba(220, 38, 38, 0) 100%
      );
      background-size: 200% 100%;
      animation: highlightSweep 3s ease-in-out infinite;
    }

    @keyframes highlightSweep {
      0%, 100% { background-position: 200% 0; }
      50% { background-position: -200% 0; }
    }

    /* Progress bar */
    .progress-bar {
      height: 4px;
      background: var(--dark-elevated);
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 9999;
    }

    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
      width: 0%;
      transition: width 0.3s ease;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .display-font { font-size: 2rem; }
      .article-content h2 { font-size: 1.5rem; }
      .article-content h3 { font-size: 1.25rem; }
      .toc { position: static; }
      .stat-number { font-size: 2rem; }
    }

    /* Print styles */
    @media print {
      .no-print { display: none; }
      body { background: white; color: black; }
    }