:root {
      --primary-blue: #2563eb;
      --secondary-blue: #3b82f6;
      --accent-cyan: #06b6d4;
      --ai-purple: #8b5cf6;
      --dark-navy: #1e293b;
      --medium-gray: #64748b;
      --light-gray: #f1f5f9;
      --white: #ffffff;
      --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
      --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
      --gradient-ai: linear-gradient(135deg, #2563eb 0%, #06b6d4 50%, #8b5cf6 100%);
      --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      --font-mono: 'JetBrains Mono', 'Courier New', monospace;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
      --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    }

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

    body {
      font-family: var(--font-primary);
      background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
      color: var(--dark-navy);
      line-height: 1.6;
      min-height: 100vh;
      overflow-x: hidden;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 2rem;
    }

    /* Parallax Background */
    .parallax-bg {
      position: fixed;
      top: 0;
      left: 0;
      width: 120%;
      height: 120%;
      pointer-events: none;
      z-index: -1;
      background: 
        radial-gradient(circle at 30% 70%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(6, 182, 212, 0.03) 0%, transparent 50%);
      animation: slowFloat 20s ease-in-out infinite;
    }

    @keyframes slowFloat {
      0%, 100% { transform: translate(0px, 0px) rotate(0deg); }
      25% { transform: translate(-5px, -10px) rotate(0.5deg); }
      50% { transform: translate(5px, -5px) rotate(-0.3deg); }
      75% { transform: translate(-3px, 8px) rotate(0.2deg); }
    }

    /* AI Circuit Effects */
    .ai-circuit {
      position: absolute;
      width: 100%;
      height: 100%;
      opacity: 0.08;
      background-image: 
        radial-gradient(circle at 25% 25%, #06b6d4 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, #2563eb 1px, transparent 1px),
        linear-gradient(45deg, transparent 48%, rgba(6, 182, 212, 0.1) 49%, rgba(6, 182, 212, 0.1) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(37, 99, 235, 0.1) 49%, rgba(37, 99, 235, 0.1) 51%, transparent 52%);
      background-size: 50px 50px, 30px 30px, 20px 20px, 20px 20px;
      animation: aiFlow 15s ease-in-out infinite;
      pointer-events: none;
    }

    @keyframes aiFlow {
      0%, 100% { transform: translateX(0) translateY(0); }
      25% { transform: translateX(10px) translateY(-5px); }
      50% { transform: translateX(-5px) translateY(10px); }
      75% { transform: translateX(5px) translateY(-10px); }
    }

    .ai-accent {
      background: var(--gradient-ai) !important;
      background-size: 200% 200% !important;
      animation: aiGradient 4s ease infinite;
    }

    @keyframes aiGradient {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    /* Header */
    .header {
      background: var(--gradient-primary);
      color: white;
      padding: 4rem 0 5rem;
      position: relative;
      overflow: hidden;
      margin-bottom: 3rem;
    }

    .header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: 
        radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
      animation: aiFlow 12s ease-in-out infinite;
    }

    .header-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 3rem;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .header-text h1 {
      font-size: 3.5rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      background: linear-gradient(45deg, #ffffff, #e0f2fe);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .header-text .subtitle {
      font-size: 1.4rem;
      font-weight: 500;
      margin-bottom: 1rem;
      opacity: 0.95;
    }

    .header-text .tagline {
      font-size: 1.15rem;
      opacity: 0.85;
      max-width: 600px;
      font-weight: 300;
    }

    .profile-image {
      width: 180px;
      height: 180px;
      border-radius: 50%;
      border: 4px solid rgba(255, 255, 255, 0.2);
      box-shadow: var(--shadow-xl);
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .profile-image:hover {
      transform: scale(1.05) rotate(3deg);
    }

    /* Contact Bar */
    .contact-bar {
      background: var(--white);
      padding: 1.5rem 0;
      margin-bottom: 3rem;
      box-shadow: var(--shadow-sm);
    }

    .contact-info {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--medium-gray);
      font-size: 0.95rem;
    }

    .contact-item a {
      color: var(--primary-blue);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .contact-item a:hover {
      color: var(--accent-cyan);
    }

    .blog-entry-cta {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      background: var(--gradient-primary);
      color: white;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 0.5rem 1.25rem;
      border-radius: 20px;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
      transition: all 0.3s ease;
      white-space: nowrap;
    }

    .blog-entry-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
    }

    /* Main Content */
    .main-content {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 3rem;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .content-section {
      background: var(--gradient-card);
      padding: 2.5rem;
      border-radius: 16px;
      box-shadow: var(--shadow-md);
      margin-bottom: 2rem;
      border: 1px solid rgba(37, 99, 235, 0.1);
      transition: all 0.3s ease;
      position: relative;
    }

    .content-section:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-xl);
    }

    .section-title {
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--dark-navy);
      margin-bottom: 1.5rem;
      position: relative;
      padding-left: 1rem;
    }

    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: var(--gradient-primary);
      border-radius: 2px;
    }

    /* eBook Section */
    .ebook-section {
      background: var(--gradient-ai);
      color: white;
      position: relative;
      overflow: hidden;
    }

    .ebook-content {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 2rem;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .ebook-cover {
      width: 120px;
      height: 160px;
      border-radius: 8px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.3);
      transition: transform 0.3s ease;
      object-fit: cover;
      border: 2px solid rgba(255, 255, 255, 0.2);
    }

    .ebook-cover:hover {
      transform: scale(1.05) rotateY(5deg);
    }

    .ebook-text h3 {
      font-size: 1.4rem;
      margin-bottom: 0.5rem;
    }

    .ebook-text p {
      opacity: 0.9;
      margin-bottom: 1.5rem;
      line-height: 1.6;
    }

    .ebook-link {
      background: white;
      color: var(--primary-blue);
      padding: 0.75rem 2rem;
      border-radius: 25px;
      text-decoration: none;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.3s ease;
    }

    .ebook-link:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    }

    /* Blog Section Styles */
    .blog-preview {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
      margin-top: 1.5rem;
    }

    .blog-card {
      background: rgba(255, 255, 255, 0.15);
      border-radius: 12px;
      padding: 1.5rem;
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: all 0.3s ease;
    }

    .blog-card:hover {
      transform: translateY(-5px);
      background: rgba(255, 255, 255, 0.2);
    }

    .blog-card h4 {
      color: white;
      margin-bottom: 0.5rem;
      font-size: 1.1rem;
      font-weight: 600;
    }

    .blog-date {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.85rem;
      margin-bottom: 1rem;
      font-family: var(--font-mono);
    }

    .blog-excerpt {
      color: rgba(255, 255, 255, 0.9);
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 1.5rem;
    }

    .blog-read-more {
      color: white;
      background: rgba(255, 255, 255, 0.2);
      padding: 0.5rem 1.2rem;
      border-radius: 20px;
      text-decoration: none;
      font-size: 0.9rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.3s ease;
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .blog-read-more:hover {
      background: white;
      color: var(--primary-blue);
      transform: translateY(-2px);
    }

    .view-all-link {
      text-align: center;
      margin-top: 2rem;
    }

    .view-all-btn {
      background: white;
      color: var(--primary-blue);
      padding: 1rem 2.5rem;
      border-radius: 30px;
      text-decoration: none;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.8rem;
      transition: all 0.3s ease;
      font-size: 1rem;
    }

    .view-all-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    }

    /* Stats Grid */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 1.5rem;
      margin-bottom: 2rem;
    }

    .stat-card {
      text-align: center;
      padding: 1.5rem;
      background: rgba(37, 99, 235, 0.05);
      border-radius: 12px;
      border: 1px solid rgba(37, 99, 235, 0.1);
      transition: transform 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-5px) scale(1.05);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 700;
      color: var(--primary-blue);
      display: block;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--medium-gray);
      margin-top: 0.5rem;
    }

    /* Experience Items */
    .experience-item {
      margin-bottom: 2.5rem;
      position: relative;
      padding-left: 2rem;
      transition: transform 0.2s ease;
    }

    .experience-item::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0.5rem;
      width: 12px;
      height: 12px;
      background: var(--gradient-primary);
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    }

    .company-name {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--primary-blue);
      margin-bottom: 0.5rem;
    }

    .position {
      font-weight: 600;
      color: var(--dark-navy);
      margin-bottom: 0.25rem;
    }

    .duration {
      font-size: 0.9rem;
      color: var(--medium-gray);
      margin-bottom: 0.75rem;
      font-family: var(--font-mono);
    }

    .description {
      color: var(--medium-gray);
      line-height: 1.6;
    }

    .highlight {
      background: linear-gradient(120deg, rgba(6, 182, 212, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
      padding: 0.2rem 0.5rem;
      border-radius: 4px;
      font-weight: 500;
    }

    /* Skills Grid */
    .skills-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .skill-tag {
      background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
      color: white;
      padding: 0.75rem 1rem;
      border-radius: 8px;
      text-align: center;
      font-weight: 500;
      font-size: 0.9rem;
      transition: transform 0.3s ease;
    }

    .skill-tag:hover {
      transform: translateY(-3px) scale(1.05);
    }

    /* AI Chat Widget */
    .ai-chat-widget {
      background: var(--gradient-card);
      border-radius: 20px;
      box-shadow: var(--shadow-xl);
      overflow: hidden;
      border: 1px solid rgba(37, 99, 235, 0.1);
      transition: all 0.3s ease;
      position: relative;
    }

    .ai-widget-header {
      background: var(--gradient-ai);
      color: white;
      padding: 2rem;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .ai-widget-title {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      position: relative;
      z-index: 2;
    }

    .ai-widget-subtitle {
      opacity: 0.9;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      position: relative;
      z-index: 2;
    }

    .chat-container {
      height: 450px;
      background: white;
      display: flex;
      flex-direction: column;
    }

    .chat-messages {
      flex: 1;
      padding: 1.5rem;
      overflow-y: auto;
      background: linear-gradient(135deg, #fafbfc 0%, #f1f5f9 100%);
    }

    .message {
      margin-bottom: 1rem;
      animation: messageSlide 0.5s ease-out;
    }

    @keyframes messageSlide {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .ai-message {
      background: var(--gradient-primary);
      color: white;
      padding: 1rem 1.2rem;
      border-radius: 18px 18px 18px 6px;
      max-width: 85%;
      box-shadow: var(--shadow-md);
      line-height: 1.5;
    }

    .user-message {
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      padding: 1rem 1.2rem;
      border-radius: 18px 18px 6px 18px;
      max-width: 85%;
      margin-left: auto;
      box-shadow: var(--shadow-md);
      line-height: 1.5;
    }

    .quick-questions {
      padding: 1.5rem;
      background: rgba(37, 99, 235, 0.02);
      border-top: 1px solid rgba(37, 99, 235, 0.1);
    }

    .question-buttons {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 0.75rem;
    }

    .question-btn {
      background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
      color: white;
      border: none;
      padding: 0.75rem 1rem;
      border-radius: 12px;
      font-size: 0.85rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .question-btn:hover {
      transform: translateY(-2px);
    }

    .input-area {
      padding: 1.5rem;
      background: white;
      border-top: 1px solid rgba(37, 99, 235, 0.1);
      display: flex;
      gap: 1rem;
      align-items: center;
    }

    .chat-input {
      flex: 1;
      padding: 1rem 1.5rem;
      border: 2px solid #e2e8f0;
      border-radius: 25px;
      outline: none;
      font-size: 0.95rem;
      transition: all 0.3s ease;
      background: #fafbfc;
    }

    .chat-input:focus {
      border-color: var(--primary-blue);
      background: white;
    }

    .send-btn {
      background: var(--gradient-primary);
      color: white;
      border: none;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease;
      font-size: 1.2rem;
    }

    .send-btn:hover {
      transform: scale(1.05);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .header-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
      }

      .header-text h1 {
        font-size: 2.5rem;
      }

      .main-content {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .contact-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
      }

      .skills-grid, .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }

      .container {
        padding: 1rem;
      }

      .content-section {
        padding: 1.5rem;
      }

      .ebook-content {
        grid-template-columns: 1fr;
        text-align: center;
      }

      .blog-preview {
        grid-template-columns: 1fr;
      }
    }

    /* Animations */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      animation: fadeInUp 0.8s ease forwards;
    }

    .fade-in:nth-child(1) { animation-delay: 0.1s; }
    .fade-in:nth-child(2) { animation-delay: 0.2s; }
    .fade-in:nth-child(3) { animation-delay: 0.3s; }
    .fade-in:nth-child(4) { animation-delay: 0.4s; }

    @keyframes fadeInUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
  

   .edition-new-badge {
     display: inline-flex; align-items: center;
     background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.3);
     padding: 0.25rem 0.8rem; border-radius: 20px;
     font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em;
     text-transform: uppercase; color: white; margin-bottom: 1.1rem;
   }
   .edition-main {
     display: grid; grid-template-columns: 120px 1fr;
     gap: 1.5rem; align-items: flex-start;
     position: relative; z-index: 2;
   }
   .edition-cover-wrap { position: relative; flex-shrink: 0; }
   .edition-cover {
     width: 120px; height: 160px; border-radius: 8px;
     box-shadow: 0 12px 35px rgba(0,0,0,0.4), 0 0 0 2px rgba(255,255,255,0.12);
     object-fit: cover; display: block; transition: transform 0.3s ease;
   }
   .edition-cover:hover { transform: scale(1.04) rotateY(4deg); }
   .edition-2-badge {
     position: absolute; top: -8px; right: -8px;
     background: #fbbf24; color: #1e293b;
     font-size: 0.58rem; font-weight: 800;
     padding: 0.2rem 0.5rem; border-radius: 6px; letter-spacing: 0.04em;
     box-shadow: 0 2px 8px rgba(0,0,0,0.2);
   }
   .edition-title { font-size: 1.25rem; font-weight: 700; color: white; margin-bottom: 0.2rem; }
   .edition-label { font-size: 0.72rem; opacity: 0.75; margin-bottom: 0.7rem; font-style: italic; }
   .edition-features { list-style: none; padding: 0; margin: 0 0 1.1rem; }
   .edition-features li {
     font-size: 0.8rem; opacity: 0.92; display: flex;
     align-items: flex-start; gap: 0.4rem; margin-bottom: 0.3rem; line-height: 1.35;
   }
   .edition-features li::before { content: "\2713"; color: #6ee7b7; font-weight: 700; flex-shrink: 0; margin-top: 0.05rem; }
   .edition-cta {
     background: white; color: var(--primary-blue);
     padding: 0.6rem 1.35rem; border-radius: 25px;
     text-decoration: none; font-weight: 700; font-size: 0.875rem;
     display: inline-flex; align-items: center; gap: 0.4rem;
     transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(0,0,0,0.2);
   }
   .edition-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.3); }
   .edition-price {
     display: inline-block; background: rgba(37,99,235,0.12);
     border-radius: 10px; padding: 0.1rem 0.5rem;
     font-size: 0.78rem; font-weight: 700; margin-left: 0.3rem; vertical-align: middle;
   }
   .edition-divider {
     border: none; border-top: 1px solid rgba(255,255,255,0.15); margin: 1.25rem 0;
     position: relative; z-index: 2;
   }
   .edition-prev {
     display: grid; grid-template-columns: 52px 1fr;
     gap: 0.875rem; align-items: center;
     background: rgba(0,0,0,0.18); border-radius: 12px;
     padding: 0.875rem 1rem; position: relative; z-index: 2;
   }
   .edition-prev-cover {
     width: 52px; height: 69px; border-radius: 5px; object-fit: cover;
     opacity: 0.65; filter: grayscale(25%);
     box-shadow: 0 4px 12px rgba(0,0,0,0.3); display: block;
   }
   .edition-prev .prev-label {
     font-size: 0.6rem; font-weight: 700; letter-spacing: 0.08em;
     text-transform: uppercase; opacity: 0.5; margin-bottom: 0.15rem;
   }
   .edition-prev h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.15rem; opacity: 0.8; color: white; }
   .edition-prev p { font-size: 0.7rem; opacity: 0.5; margin-bottom: 0.45rem; line-height: 1.35; color: white; }
   .edition-prev-link {
     color: rgba(255,255,255,0.55); font-size: 0.72rem; font-weight: 600;
     text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.2);
     transition: all 0.2s;
   }
   .edition-prev-link:hover { color: white; }
   @media (max-width: 480px) {
     .edition-main { grid-template-columns: 90px 1fr; gap: 1rem; }
     .edition-cover { width: 90px; height: 120px; }
   }
 

  .video-thumbnail-link:hover img {
    transform: scale(1.05);
  }
  
  .video-thumbnail-link:hover .play-overlay {
    transform: translate(-50%, -50%) scale(1.1);
    background: rgba(255, 255, 255, 1);
  }
  
  .video-thumbnail-link:hover {
    box-shadow: 0 15px 50px rgba(0,0,0,0.4);
  }