:root{
      --cobalt-blue:#3B5EF7;
      --sky-blue:#60A5FA;
      --zyppts-orange:#FAA52D;
      --graphite-black:#111827;
      --text-color:#111827;
      --text-light:#4B5563;
      --bg:#ffffff;
      --panel:#ffffff;
      --border:rgba(17,24,39,.12);
      --shadow:0 20px 40px rgba(0,0,0,.08);
      
      /* Additional variables for navigation and footer */
      --silver-gray: #6B7280;
      --silver-light: #E5E7EB;
      --primary-color: var(--cobalt-blue);
      --primary-dark: var(--graphite-black);
      --primary-light: var(--sky-blue);
      --secondary-color: #ffffff;
      --text-muted: #6B7280;
      --bg-color: #ffffff;
      --content-bg: #ffffff;
      --primary-gradient: linear-gradient(135deg, var(--cobalt-blue), var(--sky-blue));
      --secondary-gradient: linear-gradient(135deg, var(--zyppts-orange), #FF8A65);
      --nav-gradient: linear-gradient(135deg, #1E293B 0%, var(--cobalt-blue) 100%);
      --page-gradient: linear-gradient(160deg, #ffffff 0%, #f8f8f8 100%);
      
      /* Typography */
      --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
      --font-display: 'Space Grotesk', var(--font-primary);
      --font-mono: 'JetBrains Mono', 'Inter', monospace;
      
      /* Responsive spacing */
      --spacing-xs: clamp(0.5rem, 1vw, 0.75rem);
      --spacing-sm: clamp(1rem, 2vw, 1.5rem);
      --spacing-md: clamp(1.5rem, 3vw, 2rem);
      --spacing-lg: clamp(2rem, 4vw, 3rem);
      --spacing-xl: clamp(3rem, 6vw, 4rem);
      
      /* Shadows */
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      
      /* Dark mode variables */
      --dark-bg: #0F172A;
      --dark-content-bg: #1E293B;
      --dark-text: #F1F5F9;
      --dark-text-muted: #CBD5E1;
      --dark-card-bg: rgba(30, 41, 59, 0.9);
      --dark-nav-gradient: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      --dark-border: #334155;
    }
    [data-theme="dark"]{
      --text-color: var(--dark-text);
      --text-light: var(--dark-text-muted);
      --text-muted: var(--dark-text-muted);
      --bg: var(--dark-bg);
      --bg-color: var(--dark-bg);
      --content-bg: var(--dark-content-bg);
      --nav-gradient: var(--dark-nav-gradient);
      --panel: var(--dark-card-bg);
      --border: var(--dark-border);
      --shadow: 0 30px 60px rgba(0,0,0,.45);
    }
    
    [data-theme="dark"] body {
      background: var(--dark-bg);
      color: var(--dark-text);
    }
    
    [data-theme="dark"] .card {
      background: var(--dark-card-bg);
      border: 1px solid var(--dark-border);
      color: var(--dark-text);
    }
    
    [data-theme="dark"] .navbar-nav .nav-link {
      color: var(--dark-text);
    }
    
    [data-theme="dark"] .footer {
      background: var(--dark-content-bg);
      color: var(--dark-text);
    }
    
    [data-theme="dark"] h1, 
    [data-theme="dark"] h2, 
    [data-theme="dark"] h3, 
    [data-theme="dark"] h4, 
    [data-theme="dark"] h5, 
    [data-theme="dark"] h6 {
      color: var(--dark-text);
    }
    
    [data-theme="dark"] p {
      color: var(--dark-text-muted);
    }
    html,body{margin:0;padding:0;background:var(--bg);color:var(--text-color);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif}
    .container{max-width:1100px;margin:40px auto;padding:0 16px}
    .card{background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}
    .card-body{padding:28px}
    h1{font-family:"JetBrains Mono",Inter,monospace;font-weight:700;margin:0 0 10px;font-size:28px}
    .main-title{font-family:var(--font-display);font-weight:700;margin:18px 0 14px;font-size:clamp(1.5rem,3vw,2rem);line-height:1.2;color:var(--text-color);text-align:center}
    .subtitle{color:var(--text-light);margin-bottom:16px;font-size:1.125rem;text-align:center}
    .tip{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:24px;color:#00bcd4;font-size:1rem;font-weight:600}

    /* Modern Upload */
    .modern-upload{margin-top:8px}
    .modern-dropzone{
      position:relative;border:2px dashed var(--border);border-radius:16px;background:var(--panel);
      min-height:320px;display:flex;align-items:center;justify-content:center;padding:32px;
      transition:border-color .2s ease, background .2s ease;
    }
    .modern-dropzone.dragover{background:rgba(59,94,247,.06);border-color:var(--cobalt-blue)}
    .modern-dropzone input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}
    .modern-inner{text-align:center;position:relative}
    .choose-btn{
      display:inline-flex;align-items:center;gap:.6rem;background:var(--cobalt-blue);color:#fff;border:0;
      padding:.95rem 1.5rem;border-radius:12px;font-weight:700;box-shadow:0 10px 24px rgba(59,94,247,.28);
      transition:transform .15s ease, box-shadow .15s ease;
    }
    .choose-btn:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(59,94,247,.38)}
    .choose-btn i{font-size:1rem}
    .hint{margin-top:14px}
    .hint .title{font-weight:700}
    .hint .sub{color:var(--text-light)}
    .batch-pill{
      position:absolute;right:16px;bottom:16px;background:#f4f5ff;color:var(--cobalt-blue);
      border-radius:999px;padding:.5rem .9rem;font-weight:700;display:inline-flex;gap:.4rem;align-items:center;
      border:1px solid rgba(59,94,247,.15);
      pointer-events:none;z-index:2
    }
    [data-theme="dark"] .batch-pill{background:rgba(59,94,247,.15);color:#fff;border-color:rgba(59,94,247,.25)}

    /* Previews slot */
    #preview-area{margin-top:16px;display:none}
    .preview-container{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1rem;max-height:300px;overflow-y:auto;padding:1rem;border:1px solid var(--border);border-radius:12px;background:rgba(248,249,250,0.5)}
    .preview-item{position:relative;border:1px solid var(--border);padding:1rem;border-radius:12px;text-align:center;max-width:150px;background:white;box-shadow:0 2px 4px rgba(0,0,0,0.05);transition:all 0.3s ease;flex-shrink:0}
    .preview-item:hover{transform:translateY(-3px);box-shadow:0 8px 15px rgba(0,0,0,0.1);border-color:var(--cobalt-blue)}
    .preview-item img{max-width:100px;max-height:100px;display:block;margin:0 auto 0.5rem auto;object-fit:contain}
    .preview-item .filename{font-size:0.9rem;color:var(--text-light);word-break:break-word;margin-bottom:0.5rem}
    .preview-item .remove-btn{position:absolute;top:8px;right:8px;background:rgba(220,38,38,0.9);color:white;border:none;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;transition:all 0.2s ease}
    .preview-item .remove-btn:hover{background:rgba(220,38,38,1);transform:scale(1.1)}

    /* Options grid */
    .options{margin-top:24px;display:flex;flex-wrap:wrap;justify-content:center}
    .option-chip{
      display:inline-flex;align-items:center;gap:.5rem;border:1px solid var(--border);border-radius:10px;
      padding:.6rem .9rem;margin:6px;background:var(--panel)
    }
    .option-chip.selectable{cursor:pointer;user-select:none}
    .option-chip.selectable:focus{outline:2px solid rgba(59,94,247,.35);outline-offset:2px}
    .option-chip.selected{border-color:var(--cobalt-blue);box-shadow:0 0 0 3px rgba(59,94,247,.15)}

    /* Tabs */
    .tabs{margin-top:22px;border-bottom:1px solid var(--border);display:flex;gap:8px;flex-wrap:wrap}
    .tab-btn{appearance:none;border:none;background:transparent;padding:.7rem 1rem;border-radius:10px 10px 0 0;font-weight:700;color:var(--text-light);cursor:pointer}
    .tab-btn.active{background:var(--panel);border:1px solid var(--border);border-bottom-color:transparent;color:var(--text-color)}
    .tab-content{padding:16px 0}
    .tab-pane{display:none}
    .tab-pane.active{display:block}

    /* Process CTA and progress */
    .process-wrap{display:none;align-items:center;gap:14px;justify-content:flex-end;margin-top:12px}
    .process-btn{
      display:inline-flex;align-items:center;gap:.6rem;background:var(--cobalt-blue);color:#fff;border:0;
      padding:.9rem 1.4rem;border-radius:12px;font-weight:700;box-shadow:0 8px 20px rgba(59,94,247,.25);
      transition:transform .15s ease, box-shadow .15s ease; cursor:pointer
    }
    .process-btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none}
    .process-btn:hover:not([disabled]){transform:translateY(-1px);box-shadow:0 12px 28px rgba(59,94,247,.35)}
    .progress-track{position:relative;height:10px;border-radius:12px;background:rgba(59,94,247,.12);overflow:hidden;flex:1}
    .progress-fill{position:absolute;left:0;top:0;height:100%;width:0;background:linear-gradient(90deg,var(--cobalt-blue),var(--sky-blue))}

    /* Progress and notifications */
    .progress-container{display:none;margin-top:20px;padding:20px;background:var(--panel);border-radius:12px;border:1px solid var(--border)}
    .progress-bar{height:8px;background:linear-gradient(90deg,var(--cobalt-blue),var(--sky-blue));border-radius:4px;transition:width 0.3s ease}
    .progress-message{color:var(--text-light);font-size:0.9rem;margin-top:8px}
    .batch-notification{position:fixed;top:20px;right:20px;background:var(--cobalt-blue);color:white;padding:12px 20px;border-radius:8px;box-shadow:var(--shadow);z-index:1000;display:none}
    .batch-notification.success{background:#10B981}
    .batch-notification.error{background:#EF4444}

    /* Modal styles */
    .modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);display:none;align-items:center;justify-content:center;z-index:1000}
    .modal-content{background:var(--panel);border-radius:12px;padding:20px;max-width:90vw;max-height:90vh;overflow:auto}
    .modal img{max-width:100%;height:auto;border-radius:8px}

    .bar{height:3px;border-radius:3px;background:linear-gradient(90deg,var(--cobalt-blue),var(--sky-blue));margin:18px 0}
    .brand{display:flex;align-items:center;justify-content:center;gap:.6rem;margin-bottom:4px}
    .brand-badge{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--zyppts-orange),#FF8A65);color:#fff}
    
    /* Theme toggle styles */
    .theme-toggle {
      position: relative;
      margin-left: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      transition: all 0.3s ease;
      overflow: hidden;
      cursor: pointer;
      border: 2px solid rgba(255, 255, 255, 0.2);
    }
    
    .theme-toggle:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: scale(1.1);
    }
    
    .theme-toggle .moon,
    .theme-toggle .sun {
      position: absolute;
      transition: all 0.3s ease;
      font-size: 1.2rem;
    }
    
    .theme-toggle .moon {
      opacity: 1;
      transform: translateY(0);
      color: #FAA52D;
    }
    
    .theme-toggle .sun {
      opacity: 0;
      transform: translateY(20px);
      color: #FAA52D;
    }
    
    [data-theme="dark"] .theme-toggle {
      background: rgba(255, 255, 255, 0.2);
    }
    
    [data-theme="dark"] .theme-toggle .moon {
      opacity: 0;
      transform: translateY(-20px);
    }
    
    [data-theme="dark"] .theme-toggle .sun {
      opacity: 1;
      transform: translateY(0);
    }

    /* Hidden form elements */
    .hidden-inputs{display:none}

    /* Error Modal Styles */
    .error-modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10000;
      animation: fadeIn 0.3s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .error-modal-container {
      background: var(--panel);
      border-radius: 20px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
      max-width: 500px;
      width: 90%;
      max-height: 90vh;
      overflow-y: auto;
      animation: slideUp 0.3s ease;
      border: 1px solid var(--border);
    }

    @keyframes slideUp {
      from {
        transform: translateY(30px);
        opacity: 0;
      }
      to {
        transform: translateY(0);
        opacity: 1;
      }
    }

    .error-modal-header {
      padding: 32px 32px 24px;
      text-align: center;
      border-bottom: 1px solid var(--border);
    }

    .error-icon-wrapper {
      width: 80px;
      height: 80px;
      margin: 0 auto 20px;
      background: linear-gradient(135deg, #EF4444, #DC2626);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(239, 68, 68, 0.3);
    }

    .error-icon-wrapper i {
      font-size: 2.5rem;
      color: white;
    }

    .error-modal-title {
      font-family: var(--font-display);
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--text-color);
      margin: 0;
    }

    .error-modal-body {
      padding: 24px 32px;
    }

    .error-modal-message {
      color: var(--text-light);
      font-size: 1rem;
      line-height: 1.6;
      margin: 0 0 20px;
      text-align: center;
    }

    .error-notification-banner {
      background: linear-gradient(135deg, rgba(59, 94, 247, 0.1), rgba(96, 165, 250, 0.1));
      border: 1px solid rgba(59, 94, 247, 0.2);
      border-radius: 12px;
      padding: 16px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-top: 20px;
    }

    .error-notification-banner i {
      color: var(--cobalt-blue);
      font-size: 1.25rem;
      margin-top: 2px;
      flex-shrink: 0;
    }

    .error-notification-banner span {
      color: var(--text-color);
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .error-modal-footer {
      padding: 24px 32px 32px;
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .error-btn-primary,
    .error-btn-secondary {
      padding: 12px 24px;
      border-radius: 12px;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
      font-family: var(--font-primary);
    }

    .error-btn-primary {
      background: linear-gradient(135deg, var(--cobalt-blue), var(--sky-blue));
      color: white;
      box-shadow: 0 4px 12px rgba(59, 94, 247, 0.3);
    }

    .error-btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(59, 94, 247, 0.4);
    }

    .error-btn-secondary {
      background: var(--panel);
      color: var(--text-color);
      border: 1px solid var(--border);
    }

    .error-btn-secondary:hover {
      background: rgba(59, 94, 247, 0.05);
      border-color: var(--cobalt-blue);
    }

    [data-theme="dark"] .error-modal-container {
      background: var(--dark-card-bg);
      border-color: var(--dark-border);
    }

    [data-theme="dark"] .error-notification-banner {
      background: rgba(59, 94, 247, 0.15);
      border-color: rgba(59, 94, 247, 0.3);
    }

    /* Zyppts Success Modal */
    .success-icon-wrapper {
      width: 80px;
      height: 80px;
      margin: 0 auto 20px;
      background: linear-gradient(135deg, #10B981, #059669);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
    }
    .success-icon-wrapper i {
      font-size: 2.5rem;
      color: white;
    }
    .success-modal-message {
      text-align: center;
    }

    /* Error/Success modal responsive */
    @media (max-width: 767px) {
      .error-modal-overlay {
        padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
        align-items: flex-start;
        padding-top: max(16px, env(safe-area-inset-top));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
      }
      .error-modal-container {
        width: 100%;
        max-width: calc(100vw - 24px);
        margin: 12px auto 24px;
        max-height: calc(100vh - 48px);
        max-height: calc(100dvh - 48px);
        border-radius: 16px;
      }
      .error-modal-header {
        padding: 20px 20px 16px;
      }
      .error-modal-title {
        font-size: 1.35rem;
      }
      .error-modal-body {
        padding: 16px 20px;
      }
      .error-modal-footer {
        padding: 16px 20px 20px;
        flex-wrap: wrap;
        gap: 10px;
      }
      .error-modal-footer .error-btn-primary,
      .error-modal-footer .error-btn-secondary {
        min-width: 0;
        flex: 1 1 auto;
        padding: 12px 20px;
      }
      .error-modal-overlay .close-modal {
        min-width: 44px;
        min-height: 44px;
        padding: 10px;
        top: 12px;
        right: 12px;
      }
      #upscalePreviewModal .error-modal-container {
        max-width: calc(100vw - 16px);
        max-height: calc(100vh - 32px);
      }
    }

    /* Core Features Pillars Section */
    .pillars-section {
      margin-top: 3rem;
      padding: 2.5rem 0;
      background: var(--panel);
      border-radius: 16px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .pillars-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary-gradient);
    }

    .pillars-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    .pillar-card {
      text-align: center;
      padding: 2rem 1.5rem;
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }

    .pillar-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--primary-gradient);
      transform: scaleX(0);
      transition: transform 0.3s ease;
    }

    .pillar-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
      border-color: var(--cobalt-blue);
    }

    .pillar-card:hover::before {
      transform: scaleX(1);
    }

    .pillar-icon {
      width: 80px;
      height: 80px;
      margin: 0 auto 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--cobalt-blue), var(--sky-blue));
      border-radius: 20px;
      box-shadow: 0 8px 16px rgba(59, 94, 247, 0.25);
      transition: all 0.3s ease;
    }

    .pillar-card:hover .pillar-icon {
      transform: scale(1.1) rotate(5deg);
      box-shadow: 0 12px 24px rgba(59, 94, 247, 0.35);
    }

    .pillar-icon i {
      font-size: 2rem;
      color: white;
      transition: transform 0.3s ease;
    }

    .pillar-card:hover .pillar-icon i {
      transform: scale(1.1);
    }

    .pillar-title {
      font-family: var(--font-display);
      font-size: clamp(1.25rem, 2.5vw, 1.5rem);
      font-weight: 700;
      color: var(--text-color);
      margin: 0 0 0.75rem 0;
      position: relative;
    }

    .pillar-description {
      color: var(--text-light);
      font-size: 1rem;
      line-height: 1.6;
      margin: 0;
    }

    /* Dark mode styles for pillars */
    [data-theme="dark"] .pillars-section {
      background: var(--dark-card-bg);
      border-color: var(--dark-border);
    }

    [data-theme="dark"] .pillar-card {
      background: var(--dark-content-bg);
      border-color: var(--dark-border);
    }

    [data-theme="dark"] .pillar-title {
      color: var(--dark-text);
    }

    [data-theme="dark"] .pillar-description {
      color: var(--dark-text-muted);
    }

    /* Responsive design for pillars */
    @media (max-width: 768px) {
      .pillars-section {
        margin-top: 2rem;
        padding: 2rem 0;
      }

      .pillars-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
      }

      .pillar-card {
        padding: 1.5rem 1rem;
      }

      .pillar-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 1rem;
      }

      .pillar-icon i {
        font-size: 1.75rem;
      }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
      .pillars-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
      }
    }

    /* Visual Examples Section */
    .visual-examples-section {
      margin-top: 3rem;
      padding: 2rem 0;
      background: var(--panel);
      border-radius: 16px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .examples-title {
      font-family: var(--font-display);
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 700;
      text-align: center;
      margin: 0 0 0.5rem 0;
      color: var(--text-color);
    }

    .examples-subtitle {
      text-align: center;
      color: var(--text-light);
      font-size: 1.125rem;
      margin-bottom: 2rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .examples-container {
      display: flex;
      flex-wrap: wrap;
      gap: 3rem;
      max-width: 1000px;
      margin: 0 auto;
      padding: 0 1rem;
      justify-content: center;
    }

    .example-comparison {
      display: flex;
      gap: 1.5rem;
      justify-content: center;
      align-items: center;
      flex: 1;
      min-width: 350px;
    }

    .example-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      flex: 1;
      min-width: 200px;
    }

    .example-label {
      font-weight: 600;
      color: var(--text-color);
      font-size: 0.9rem;
      text-align: center;
      padding: 0.5rem 1rem;
      background: rgba(59, 94, 247, 0.1);
      border-radius: 8px;
      border: 1px solid rgba(59, 94, 247, 0.2);
    }

    .example-image {
      position: relative;
      width: 120px;
      height: 120px;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      border: 2px solid var(--border);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .example-image:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .example-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: #f8f9fa;
    }

    .example-image-large {
      width: 180px;
      height: 180px;
    }

    .transparent-bg {
      background: repeating-conic-gradient(#E5E7EB 0% 25%, #F9FAFB 0% 50%) 50% / 20px 20px !important;
    }

    .transparent-bg img {
      background: transparent !important;
    }

    .transparent-bg {
      padding: 0 !important;
    }

    .sketch-example-original {
      background: linear-gradient(135deg, #f5f5f0 0%, #e8e8e0 100%) !important;
      border: 1px solid rgba(0, 0, 0, 0.06);
    }

    .example-image-large {
      padding: 0 !important;
    }

    .bg-removed-overlay {
      position: relative;
      width: 100%;
      height: 100%;
      overflow: hidden;
    }

    .bg-removed-overlay img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      filter: contrast(1.2) brightness(1.1);
      mix-blend-mode: multiply;
    }

    /* Dark mode styles for examples */
    [data-theme="dark"] .visual-examples-section {
      background: var(--dark-card-bg);
      border-color: var(--dark-border);
    }

    [data-theme="dark"] .examples-title {
      color: var(--dark-text);
    }

    [data-theme="dark"] .examples-subtitle {
      color: var(--dark-text-muted);
    }

    [data-theme="dark"] .example-label {
      color: var(--dark-text);
      background: rgba(59, 94, 247, 0.2);
      border-color: rgba(59, 94, 247, 0.3);
    }

    [data-theme="dark"] .example-image {
      border-color: var(--dark-border);
      background: var(--dark-content-bg);
    }

    /* Responsive design for examples */
    @media (max-width: 768px) {
      .examples-container {
        gap: 2rem;
        padding: 0 0.5rem;
      }
      
      .example-comparison {
        flex-direction: column;
        gap: 1rem;
        min-width: 100%;
        width: 100%;
      }
      
      .example-item {
        min-width: 150px;
        width: 100%;
      }
      
      .example-image {
        width: 140px;
        height: 140px;
      }

      .example-image-large {
        width: 160px;
        height: 160px;
      }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
      .examples-container {
        gap: 2rem;
      }
      
      .example-comparison {
        min-width: 400px;
      }
    }

    /* Testimonials Section Styles */
    .testimonials-section {
      margin-top: 4rem;
      padding: 3rem 0;
      background: var(--panel);
      border-radius: 20px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .testimonials-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary-gradient);
    }

    .testimonials-title {
      font-family: var(--font-display);
      font-size: clamp(1.75rem, 3.5vw, 2.5rem);
      font-weight: 700;
      text-align: center;
      margin: 0 0 0.5rem 0;
      color: var(--text-color);
      position: relative;
    }

    .testimonials-title::after {
      content: '';
      position: absolute;
      bottom: -0.5rem;
      left: 50%;
      transform: translateX(-50%);
      width: 3rem;
      height: 3px;
      background: var(--primary-gradient);
      border-radius: 2px;
    }

    .testimonials-subtitle {
      text-align: center;
      color: var(--text-light);
      font-size: 1.125rem;
      margin-bottom: 3rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .testimonials-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
    }

    .testimonial-card {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 2rem;
      position: relative;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .testimonial-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--primary-gradient);
      transform: scaleX(0);
      transition: transform 0.3s ease;
    }

    .testimonial-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
      border-color: var(--cobalt-blue);
    }

    .testimonial-card:hover::before {
      transform: scaleX(1);
    }

    .testimonial-content {
      position: relative;
    }


    .testimonial-text {
      font-size: 1.1rem;
      line-height: 1.6;
      color: var(--text-color);
      margin: 0 0 1.5rem 0;
      font-style: italic;
      position: relative;
      z-index: 1;
    }

    .testimonial-author {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 1.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border);
    }

    .author-info {
      flex: 1;
    }

    .author-name {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text-color);
      margin: 0 0 0.25rem 0;
      font-family: var(--font-display);
    }

    .author-title {
      font-size: 0.9rem;
      color: var(--text-light);
      margin: 0;
      font-weight: 500;
    }

    .author-rating {
      display: flex;
      gap: 0.25rem;
      margin-left: 1rem;
    }

    .author-rating i {
      color: #FAA52D;
      font-size: 1rem;
      transition: transform 0.2s ease;
    }

    .testimonial-card:hover .author-rating i {
      transform: scale(1.1);
    }

    /* Dark mode styles for testimonials */
    [data-theme="dark"] .testimonials-section {
      background: var(--dark-card-bg);
      border-color: var(--dark-border);
    }

    [data-theme="dark"] .testimonials-title {
      color: var(--dark-text);
    }

    [data-theme="dark"] .testimonials-subtitle {
      color: var(--dark-text-muted);
    }

    [data-theme="dark"] .testimonial-card {
      background: var(--dark-content-bg);
      border-color: var(--dark-border);
    }

    [data-theme="dark"] .testimonial-text {
      color: var(--dark-text);
    }

    [data-theme="dark"] .author-name {
      color: var(--dark-text);
    }

    [data-theme="dark"] .author-title {
      color: var(--dark-text-muted);
    }

    [data-theme="dark"] .testimonial-author {
      border-color: var(--dark-border);
    }

    /* Responsive design for testimonials */
    @media (max-width: 768px) {
      .testimonials-section {
        margin-top: 3rem;
        padding: 2rem 0;
      }

      .testimonials-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.5rem;
      }

      .testimonial-card {
        padding: 1.5rem;
      }

      .testimonial-text {
        font-size: 1rem;
      }

      .testimonial-author {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
      }

      .author-rating {
        margin-left: 0;
      }
    }

    @media (min-width: 769px) and (max-width: 1024px) {
      .testimonials-container {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    /* Navigation styles - matching base; z-index above Zypper so mobile menu is tappable */
    .navbar {
      background: var(--nav-gradient) !important;
      padding: 1rem 0 !important;
      position: sticky;
      top: 0;
      z-index: 10050;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
      transition: all 0.3s ease;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
    }
    
    .navbar.scrolled {
      padding: 0.75rem 0;
      background: rgba(30, 41, 59, 0.95);
    }

    .navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: var(--spacing-sm);
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
    }

    .navbar-brand {
      color: white !important;
      font-family: var(--font-display);
      font-weight: 600;
      font-size: clamp(1.25rem, 2vw, 1.5rem);
      display: flex;
      align-items: center;
      text-decoration: none;
      padding: 0;
      letter-spacing: -0.02em;
    }

    .navbar-brand img {
      height: clamp(24px, 3.75vw, 30px);
      width: auto;
      max-width: 150px;
      margin-right: var(--spacing-sm);
      transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
      object-fit: contain;
      aspect-ratio: auto;
    }

    .navbar-brand:hover img {
      transform: scale(1.05);
    }

    /* Mobile hamburger button - touch-friendly, above widgets */
    .navbar-toggler {
      border: none;
      padding: 0.5rem;
      min-width: 44px;
      min-height: 44px;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 8px;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      transition: all 0.3s ease;
      display: none;
      cursor: pointer;
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
      position: relative;
      z-index: 10051;
    }

    .navbar-toggler:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: scale(1.05);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
      outline: none;
    }

    .navbar-toggler-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
    }

    .navbar-toggler-icon i {
      color: white;
      font-size: 1.2rem;
      transition: transform 0.3s ease;
    }

    .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon i {
      transform: rotate(90deg);
    }

    /* Responsive navigation */
    .nav-center {
      display: flex;
      gap: var(--spacing-xs);
      background: rgba(17, 24, 39, 0.4);
      padding: var(--spacing-xs);
      border-radius: 12px;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-center .nav-link {
      color: #E5E7EB !important;
      padding: var(--spacing-xs) var(--spacing-sm);
      border-radius: 8px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      font-weight: 500;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .nav-center .nav-link:hover {
      color: var(--secondary-color) !important;
      background: rgba(96, 165, 250, 0.15);
      transform: translateY(-1px);
    }

    .nav-center .nav-link.active {
      color: var(--secondary-color) !important;
      background: var(--primary-gradient);
      box-shadow: var(--shadow-md);
    }

    .nav-center .nav-link i {
      font-size: 1.1rem;
      transition: transform 0.3s ease;
      color: #FAA52D;
    }

    .nav-center .nav-link:hover i {
      transform: translateY(-1px);
      color: #FAA52D;
    }

    .nav-center .nav-link.active i {
      color: #FAA52D;
    }

    .navbar-nav.ms-auto {
      display: flex;
      align-items: center;
      gap: var(--spacing-xs);
    }

    .navbar-nav.ms-auto .nav-link {
      color: white !important;
      padding: var(--spacing-xs) var(--spacing-sm);
      border-radius: 8px;
      transition: all 0.3s ease;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 500;
    }

    .navbar-nav.ms-auto .nav-link:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-1px);
    }

    /* Footer styles - matching base template exactly */
    .footer {
      background: linear-gradient(135deg, var(--cobalt-blue) 0%, var(--graphite-black) 100%);
      color: var(--silver-gray);
      padding: var(--spacing-xl) 0 var(--spacing-lg);
      margin-top: auto;
      position: relative;
      z-index: 1;
      box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.2), 0 -2px 4px -1px rgba(0, 0, 0, 0.1);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }

    .footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.1) 100%);
    }

    .footer-content {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
      display: flex;
      justify-content: center;
      gap: var(--spacing-xl);
      margin-bottom: var(--spacing-lg);
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .footer-section {
      text-align: center;
      min-width: 200px;
      background: rgba(17, 24, 39, 0.4);
      padding: var(--spacing-md);
      border-radius: 12px;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .footer-section:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .footer-section h4 {
      color: var(--secondary-color);
      margin-bottom: var(--spacing-md);
      font-family: var(--font-display);
      font-size: clamp(1.125rem, 2vw, 1.5rem);
      font-weight: 600;
      letter-spacing: -0.01em;
      position: relative;
      display: inline-block;
    }

    .footer-section h4::after {
      content: '';
      position: absolute;
      bottom: -0.5rem;
      left: 50%;
      transform: translateX(-50%);
      width: 2rem;
      height: 2px;
      background: var(--primary-gradient);
      border-radius: 2px;
    }

    .footer-section a {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--spacing-sm);
      color: var(--silver-gray);
      text-decoration: none;
      padding: var(--spacing-xs) 0;
      transition: all 0.3s ease;
      font-weight: 500;
      font-size: clamp(0.875rem, 1.5vw, 1rem);
      letter-spacing: -0.01em;
    }

    .footer-section a:hover {
      color: var(--sky-blue);
      transform: translateY(-2px);
    }

    .footer-section a i {
      font-size: 1.1rem;
      color: var(--sky-blue);
      transition: transform 0.3s ease;
    }

    .footer-section a:hover i {
      transform: scale(1.1);
    }

    .footer-bottom {
      text-align: center;
      padding-top: var(--spacing-md);
      border-top: 1px solid rgba(209, 213, 219, 0.1);
      max-width: 1400px;
      margin: 0 auto;
      padding-left: var(--spacing-md);
      padding-right: var(--spacing-md);
      position: relative;
      z-index: 2;
    }

    .footer-bottom p {
      color: var(--silver-gray);
      font-size: clamp(0.875rem, 1.5vw, 1rem);
      margin: 0;
    }

    /* Mobile navigation */
    @media (max-width: 991.98px) {
      .navbar-toggler {
        display: block;
      }

      .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        z-index: 10049;
        background: rgba(17, 24, 39, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-radius: 0 0 12px 12px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: var(--spacing-md);
        transition: all 0.3s ease;
        pointer-events: auto;
        -webkit-overflow-scrolling: touch;
      }

      .navbar-collapse.collapsing {
        transition: height 0.35s ease;
      }

      .navbar-collapse.show {
        display: block;
      }

      .nav-center {
        background: transparent;
        border: none;
        padding: 0;
        flex-direction: column;
        gap: 0.5rem;
      }

      .nav-center .nav-link {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        margin: 0 1rem;
        padding: 0.75rem 1rem;
        border-radius: 8px;
        justify-content: flex-start;
      }

      .nav-center .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(5px);
      }

      .navbar-nav.ms-auto {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        flex-direction: column;
        gap: 0.5rem;
      }

      .navbar-nav.ms-auto .nav-item {
        margin: 0 1rem;
      }

      .navbar-nav.ms-auto .nav-link {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 0.75rem 1rem;
        border-radius: 8px;
        justify-content: flex-start;
      }

      .navbar-nav.ms-auto .nav-link:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(5px);
      }

      .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: center;
      }

      .footer-section {
        width: 100%;
        max-width: 300px;
      }
    }