:root {
      --brand: #2563eb; /* blue-600 */
      --brand-light: #3b82f6; /* blue-500 */
      --brand-dark: #1d4ed8; /* blue-700 */
      --accent: #22d3ee; /* cyan-400 */
      --text: #0f172a; /* slate-900 */
      --text-light: #334155; /* slate-700 */
      --muted: #64748b; /* slate-500 */
      --light: #f8fafc; /* slate-50 */
      --lighter: #f1f5f9; /* slate-100 */
      --bg: #0b1220; /* dark */
      --border: #e2e8f0; /* slate-200 */
      --success: #10b981; /* emerald-500 */
      --radius: 12px;
      --shadow: 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);
      --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      --header-bg: #111827; /* gray-900 */
      --header-border: #374151; /* gray-700 */
    }
    
    body {
      font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: var(--text);
      line-height: 1.6;
    }
    
    h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
      font-weight: 700;
      line-height: 1.3;
    }
    
    .btn-brand {
      background: var(--brand);
      color: #fff;
      font-weight: 600;
      padding: 0.625rem 1.5rem;
      border-radius: 8px;
      transition: all 0.2s ease;
    }
    
    .btn-brand:hover {
      background: var(--brand-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    
    .btn-ghost {
      border: 1px solid var(--border);
      color: var(--text);
      font-weight: 600;
      padding: 0.625rem 1.5rem;
      border-radius: 8px;
      transition: all 0.2s ease;
    }
    
    .btn-ghost:hover {
      background: var(--lighter);
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    /* Hero */
    .hero {
      background: radial-gradient(1200px 400px at 20% -10%, rgba(34, 211, 238, 0.15), transparent 60%),
                  radial-gradient(1000px 500px at 110% 10%, rgba(37, 99, 235, 0.10), transparent 60%),
                  linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      padding: 6rem 0;
      position: relative;
      overflow: hidden;
    }
    
    .hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
      opacity: 0.5;
    }
    
    .hero .badge {
      background: rgba(34, 211, 238, 0.15);
      color: #0e7490;
      font-weight: 600;
      padding: 0.5rem 1rem;
      border-radius: 50px;
      margin-bottom: 1.5rem;
      display: inline-flex;
      align-items: center;
      backdrop-filter: blur(4px);
    }
    
    .code-card {
      background: var(--bg);
      color: #e2e8f0;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: var(--shadow-xl);
      overflow: hidden;
      transition: all 0.3s ease;
    }
    
    .code-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    }
    
    .code-card .toolbar {
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0.75rem 1rem;
    }
    
    pre {
      margin: 0;
      padding: 1.25rem;
      font-size: 0.875rem;
      overflow: auto;
      font-family: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', Consolas, 'Courier New', monospace;
      line-height: 1.5;
    }

    /* Sections */
    .section {
      padding: 5rem 0;
    }
    
    .section-title {
      font-weight: 800;
      margin-bottom: 1rem;
      position: relative;
    }
    
    .section-title.centered {
      text-align: center;
    }
    
    .section-title.centered::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background: var(--brand);
      margin: 1rem auto;
      border-radius: 2px;
    }
    
    .section-subtitle {
      color: var(--muted);
      font-size: 1.125rem;
      margin-bottom: 3rem;
      text-align: center;
    }
    
    .feature-icon {
      width: 64px;
      height: 64px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      background: rgba(37, 99, 235, 0.1);
      color: var(--brand);
      font-size: 1.5rem;
    }
    
    .feature-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 2rem;
      height: 100%;
      transition: all 0.3s ease;
      border: 1px solid var(--border);
    }
    
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--brand-light);
    }
    
    .check {
      color: var(--success);
    }
    
    .muted {
      color: var(--muted);
    }

    /* Pricing */
    .pricing-section {
      background: var(--lighter);
    }
    
    .plan {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2.5rem 2rem;
      height: 100%;
      transition: all 0.3s ease;
      position: relative;
    }
    
    .plan:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    
    .plan.featured {
      border-color: var(--brand);
      box-shadow: var(--shadow-xl);
    }
    
    .plan.featured::before {
      content: 'Most Popular';
      position: absolute;
      top: -12px;
      right: 2rem;
      background: var(--brand);
      color: white;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.25rem 1rem;
      border-radius: 50px;
    }
    
    .plan-title {
      font-weight: 700;
      margin-bottom: 1rem;
    }
    
    .plan-price {
      font-weight: 800;
      font-size: 2.5rem;
      margin-bottom: 1.5rem;
      color: var(--text);
    }
    
    .plan-features {
      list-style: none;
      padding: 0;
      margin: 0 0 2rem 0;
    }
    
    .plan-features li {
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
    }
    
    .plan-features li i {
      margin-right: 0.75rem;
    }

    /* FAQ */
    .faq-item {
      background: #fff;
      border-radius: var(--radius);
      padding: 1.5rem;
      margin-bottom: 1rem;
      border: 1px solid var(--border);
      transition: all 0.2s ease;
    }
    
    .faq-item:hover {
      border-color: var(--brand-light);
    }
    
    .faq-question {
      font-weight: 600;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
    }
    
    .faq-question i {
      margin-right: 0.75rem;
      color: var(--brand);
    }

    /* CTA */
    .cta-section {
      background: linear-gradient(135deg, #e0f2fe 0%, #eef2ff 100%);
      border-radius: var(--radius);
      padding: 4rem 2rem;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    
    .cta-section::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -50%;
      width: 100%;
      height: 200%;
      background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%232563eb' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
      opacity: 0.5;
    }

    /* ENHANCED: Header Styles */
    .navbar {
      background: linear-gradient(90deg, var(--header-bg) 0%, #0f172a 100%) !important;
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 0.5rem 0;
      transition: all 0.3s ease;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-brand {
      font-weight: 800;
      font-size: 1.5rem;
      color: white !important;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    
    .navbar-brand i {
      color: var(--brand-light);
      font-size: 1.8rem;
    }
    
    .nav-link {
      font-weight: 500;
      color: #d1d5db !important;
      transition: all 0.2s ease;
      padding: 0.5rem 1rem !important;
      border-radius: 6px;
      position: relative;
    }
    
    .nav-link::before {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      width: 0;
      height: 2px;
      background: var(--brand-light);
      transition: all 0.3s ease;
      transform: translateX(-50%);
    }
    
    .nav-link:hover::before,
    .nav-link.active::before {
      width: 70%;
    }
    
    .nav-link:hover {
      color: white !important;
    }
    
    .navbar-toggler {
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #d1d5db;
      padding: 0.4rem 0.6rem;
    }
    
    .navbar-toggler:focus {
      box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
    }
    
    .navbar .btn-ghost {
      border-color: rgba(255, 255, 255, 0.2);
      color: #d1d5db;
      transition: all 0.3s ease;
    }
    
    .navbar .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--brand-light);
      color: white;
      transform: translateY(-2px);
    }
    
    .navbar .btn-brand {
      background: var(--brand);
      border-color: var(--brand);
      transition: all 0.3s ease;
    }
    
    .navbar .btn-brand:hover {
      background: var(--brand-dark);
      border-color: var(--brand-dark);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    }

    /* ENHANCED: Footer Styles */
    .footer {
      background: linear-gradient(to bottom, var(--header-bg) 0%, #0b1220 100%);
      color: #d1d5db;
      padding: 5rem 0 2rem;
      position: relative;
      overflow: hidden;
    }
    
    .footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent 0%, var(--brand-light) 50%, transparent 100%);
    }
    
    .footer a {
      color: #9ca3af;
      text-decoration: none;
      transition: all 0.2s ease;
      position: relative;
    }
    
    .footer a::before {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 1px;
      background: var(--brand-light);
      transition: width 0.3s ease;
    }
    
    .footer a:hover {
      color: white;
      text-decoration: none;
    }
    
    .footer a:hover::before {
      width: 100%;
    }
    
    .footer h5, .footer h6 {
      color: white;
      margin-bottom: 1.5rem;
      font-weight: 700;
      position: relative;
      display: inline-block;
    }
    
    .footer h5::after, .footer h6::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 40px;
      height: 3px;
      background: var(--brand-light);
      border-radius: 2px;
    }
    
    .footer ul {
      list-style: none;
      padding: 0;
    }
    
    .footer ul li {
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
    }
    
    .footer ul li::before {
      content: '→';
      color: var(--brand-light);
      margin-right: 0.75rem;
      font-weight: bold;
      /*opacity: 0;*/
      transform: translateX(-10px);
      transition: all 0.3s ease;
    }
    
    .footer ul li:hover::before {
      opacity: 1;
      transform: translateX(0);
    }
    
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 2rem;
      margin-top: 3rem;
      color: #9ca3af;
      font-size: 0.875rem;
      position: relative;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
    }
    
    .footer .form-control {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: white;
      transition: all 0.3s ease;
    }
    
    .footer .form-control:focus {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--brand-light);
      color: white;
      box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.25);
    }
    
    .footer .form-control::placeholder {
      color: #9ca3af;
    }
    
    .footer .btn-brand {
      background: var(--brand);
      border-color: var(--brand);
      transition: all 0.3s ease;
    }
    
    .footer .btn-brand:hover {
      background: var(--brand-dark);
      border-color: var(--brand-dark);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    }
    
    .social-links {
      display: flex;
      gap: 1rem;
      margin-top: 1.5rem;
    }
    
    .social-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      color: #d1d5db;
      transition: all 0.3s ease;
    }
    
    .social-links a:hover {
      background: var(--brand);
      color: white;
      transform: translateY(-3px);
    }
    
    .copyright {
      color: #9ca3af;
      margin: 0;
    }
    
    .legal-links {
      display: flex;
      gap: 1.5rem;
    }
    
    .legal-links a {
      color: #9ca3af;
      text-decoration: none;
      transition: all 0.2s ease;
      position: relative;
    }
    
    .legal-links a:hover {
      color: white;
    }
    
    .legal-links a::after {
      content: '';
      position: absolute;
      width: 0;
      height: 2px;
      bottom: -4px;
      left: 0;
      background-color: var(--brand-light);
      transition: width 0.3s ease;
    }
    
    .legal-links a:hover::after {
      width: 100%;
    }
    
    .divider {
      color: #4b5563;
    }

    /* Utilities */
    .rounded-4 {
      border-radius: var(--radius) !important;
    }
    
    .py-6 {
      padding-top: 5rem !important;
      padding-bottom: 5rem !important;
    }
    
    .py-7 {
      padding-top: 6rem !important;
      padding-bottom: 6rem !important;
    }

    /* Smooth scroll */
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 80px;
    }

    /* How it works */
    .step-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 2rem;
      height: 100%;
      text-align: center;
      border: 1px solid var(--border);
      transition: all 0.3s ease;
    }
    
    .step-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
    }
    
    .step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: var(--brand);
      color: white;
      border-radius: 50%;
      font-weight: 700;
      margin-bottom: 1rem;
    }

    /* NEW: Demo Section Styles */
    .demo-section {
      background: linear-gradient(to bottom, #f8fafc, #ffffff);
      position: relative;
      overflow: hidden;
    }
    
    .demo-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
      opacity: 0.5;
    }
    
    .demo-container {
      position: relative;
      z-index: 2;
    }
    
    .demo-card {
      background: white;
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      overflow: hidden;
      transition: all 0.3s ease;
    }
    
    .demo-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-xl);
    }
    
    .demo-header {
      padding: 1.5rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    
    .demo-browser {
      padding: 0;
      border-radius: 0 0 var(--radius) var(--radius);
      overflow: hidden;
    }
    
    .demo-browser iframe {
      width: 100%;
      height: 400px;
      border: none;
    }
    
    .demo-controls {
      padding: 1.5rem;
      background: var(--lighter);
      border-top: 1px solid var(--border);
    }
    
    .token-input {
      font-family: 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', Consolas, 'Courier New', monospace;
      font-size: 0.875rem;
    }
    
    .demo-feature-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
      margin-top: 1.5rem;
    }
    
    .demo-feature {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    
    .demo-feature-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(37, 99, 235, 0.1);
      color: var(--brand);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .hero {
        padding: 4rem 0;
        text-align: center;
      }
      
      .section {
        padding: 3rem 0;
      }
      
      .display-5 {
        font-size: 2.5rem;
      }
      
      .demo-feature-grid {
        grid-template-columns: 1fr;
      }
      
      .navbar .btn {
        margin-top: 0.5rem;
        width: 100%;
        text-align: center;
      }
      
      .navbar-collapse {
        padding: 1rem 0;
        background: var(--header-bg);
        border-radius: 8px;
        margin-top: 0.5rem;
        padding: 1rem;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
      }
      
      .footer ul li::before {
        opacity: 1;
        transform: translateX(0);
      }
      
      .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
      }
      
      .legal-links {
        justify-content: center;
      }
    }