:root {
    --primary-color: #695be7;
    --primary-dark: #5647c7;
    --secondary-color: #7e34e3;
    --light-bg: #f7f8fa;
    --card-shadow: 0 2px 12px rgba(93, 95, 239, 0.08);
    --card-shadow-hover: 0 8px 32px rgba(93, 95, 239, 0.15);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--light-bg);
    color: #2c3e50;
    line-height: 1.7;
  }
  
  /* Navigation */
  .navbar {
    background: #fff !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 1rem 0;
  }
  
  .brand-name {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: 0.02em;
    transition: color 0.3s;
  }
  
  .brand-name:hover {
    color: var(--secondary-color);
    text-decoration: none;
  }
  
  .nav-link {
    font-weight: 500;
    color: #4a5568 !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.3s;
  }
  
  .nav-link:hover {
    color: var(--primary-color) !important;
  }
  
  /* Hero Section */
  .hero-section {
    padding: 4rem 0 5rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  }
  
  .hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1a202c;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.8;
  }
  
  .hero-image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #e8e9ff 0%, #f3f4ff 100%);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
  }
  
  .hero-image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(105, 91, 231, 0.1), transparent);
    animation: shimmer 3s infinite;
  }
  
  @keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
  }
  
  .hero-icon {
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.3;
    z-index: 1;
  }
  
  /* Upload Section */
  .upload-section {
    background: #fff;
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: var(--card-shadow);
    margin: 3rem 0;
  }
  
  .upload-box {
    border: 3px dashed var(--primary-color);
    border-radius: 1rem;
    padding: 4rem 2rem;
    text-align: center;
    background: #f8f9ff;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
  }
  
  .upload-box:hover {
    background: #f3f4ff;
    border-color: var(--secondary-color);
    transform: translateY(-2px);
  }
  
  .upload-box input[type="file"] {
    display: none;
  }
  
  .upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
  }
  
  .progress-container {
    display: none;
    margin-top: 2rem;
  }
  
  .progress {
    height: 2rem;
    border-radius: 1rem;
    background: #e9ecef;
    overflow: visible;
  }
  
  .progress-bar {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(105, 91, 231, 0.3);
    transition: width 0.3s ease;
  }
  
  .processing-steps {
    display: none;
    margin-top: 2rem;
    text-align: left;
  }
  
  .processing-step {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: #fff;
    border-radius: 0.5rem;
    opacity: 0.4;
    transition: all 0.3s;
  }
  
  .processing-step.active {
    opacity: 1;
    background: #f8f9ff;
    transform: translateX(10px);
  }
  
  .processing-step i {
    color: var(--primary-color);
    margin-right: 1rem;
    font-size: 1.5rem;
  }
  
  /* Feature Cards */
  .feature-card {
    background: #fff;
    border: none;
    border-radius: 1.25rem;
    padding: 2.5rem 2rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
  }
  
  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s;
  }
  
  .feature-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-8px);
  }
  
  .feature-card:hover::before {
    transform: scaleX(1);
  }
  
  .feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s;
  }
  
  .feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
  }
  
  /* Section Styling */
  section {
    padding: 5rem 0;
  }
  
  .section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
  }
  
  .section-subtitle {
    color: #718096;
    font-size: 1.125rem;
    margin-bottom: 3rem;
  }
  
  /* Image Placeholders */
  .image-placeholder {
    width: 100%;
    height: 320px;
    background: linear-gradient(135deg, #e8e9ff 0%, #f3f4ff 100%);
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
  }
  
  .image-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.4;
  }
  
  /* Testimonial Cards */
  .testimonial-card {
    background: #fff;
    border-left: 5px solid var(--primary-color);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--card-shadow);
    height: 100%;
    transition: all 0.3s;
  }
  
  .testimonial-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-5px);
  }
  
  .testimonial-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
  }
  
  .testimonial-text {
    font-style: italic;
    color: #4a5568;
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.7;
  }
  
  .testimonial-author {
    font-weight: 600;
    color: #2d3748;
  }
  
  .testimonial-role {
    color: #718096;
    font-size: 0.9rem;
  }
  
  /* FAQ Section */
  .accordion-item {
    border: none;
    margin-bottom: 1rem;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--card-shadow);
  }
  
  .accordion-button {
    background: #fff;
    color: #2d3748;
    font-weight: 600;
    padding: 1.25rem 1.5rem;
    font-size: 1.05rem;
  }
  
  .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    color: var(--primary-color);
    box-shadow: none;
  }
  
  .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
  }
  
  .accordion-body {
    padding: 1.5rem;
    color: #4a5568;
    line-height: 1.8;
  }
  
  /* Button Styles */
  .btn-primary {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 0.75rem;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(105, 91, 231, 0.2);
  }
  
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(105, 91, 231, 0.3);
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  }
  
  .btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: 0.75rem;
    transition: all 0.3s;
  }
  
  .btn-outline-primary:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
  }
  
  /* CTA Section */
  .cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #fff;
    padding: 5rem 0;
    border-radius: 2rem;
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
  }
  
  .cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
  }
  
  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
  }
  
  /* Footer */
  .footer {
    background: #1a202c;
    color: #e2e8f0;
    padding: 3rem 0 1.5rem;
  }
  
  .footer a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s;
  }
  
  .footer a:hover {
    color: var(--primary-color);
  }
  
  /* Trust Badges */
  .trust-badges {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 2rem 0;
  }
  
  .trust-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #718096;
    font-size: 0.95rem;
  }
  
  .trust-badge i {
    color: var(--primary-color);
    font-size: 1.25rem;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .hero-title {
      font-size: 2rem;
    }
    
    .section-title {
      font-size: 1.75rem;
    }
    
    .upload-box {
      padding: 3rem 1.5rem;
    }
    
    .upload-section {
      padding: 2rem 1.5rem;
    }
  }
  
  /* List Styling */
  .feature-list {
    list-style: none;
    padding: 0;
  }
  
  .feature-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
  }
  
  .feature-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
  }
  
  /* Pricing Cards */
  .pricing-card {
    background: #fff;
    border-radius: 1.25rem;
    padding: 2.5rem 2rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s;
    height: 100%;
    border: 2px solid transparent;
  }
  
  .pricing-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-8px);
  }
  
  .pricing-card.featured {
    border-color: var(--primary-color);
    position: relative;
  }
  
  .pricing-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 700;
  }