:root {
            --primary-blue: #2A4D9B;
            --secondary-blue: #61A5FF;
            --background-color: #F9FAFB;
            --surface-color: #FFFFFF;
            --text-primary: #1F2937;
            --text-secondary: #6B7280;
            --success-color: #10B981;
            --warning-color: #F59E0B;
            --error-color: #EF4444;
            --accent-purple: #8B5CF6;
            --accent-pink: #EC4899;
            --light-gray: #F3F4F6;
            --border-color: #E5E7EB;
        }

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

        body {
            font-family: 'Inter', 'Roboto', sans-serif;
            background-color: var(--background-color);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Enhanced Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

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

        ::-webkit-scrollbar-thumb {
            background: var(--primary-blue);
            border-radius: 4px;
        }

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

        /* Loading Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .animate-fadeInUp {
            animation: fadeInUp 0.6s ease-out;
        }

        .animate-slideInRight {
            animation: slideInRight 0.6s ease-out;
        }

        .animate-pulse {
            animation: pulse 2s infinite;
        }

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

        /* Enhanced Navbar */
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            padding: 1rem 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            padding: 0.5rem 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        }

        .navbar-brand {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-blue) !important;
            transition: all 0.3s ease;
        }

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

        .navbar-brand i {
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: pulse 2s infinite;
        }

        .nav-link {
            color: var(--text-primary) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            padding: 0.5rem 1rem !important;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-link:hover {
            color: var(--primary-blue) !important;
            background-color: rgba(42, 77, 155, 0.1);
            transform: translateY(-2px);
        }

        .nav-link:hover::before,
        .nav-link.active::before {
            width: 100%;
        }

        .nav-link.active {
            color: var(--primary-blue) !important;
            background-color: rgba(42, 77, 155, 0.1);
        }

        /* Enhanced Buttons */
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            border: none;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: 12px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(42, 77, 155, 0.3);
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--secondary-blue), var(--accent-purple));
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(42, 77, 155, 0.4);
        }

        .btn-primary:active {
            transform: translateY(-1px);
        }

        .btn-outline-primary {
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
            border-radius: 12px;
            font-weight: 600;
            padding: 0.75rem 2rem;
            background: transparent;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-outline-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            transition: width 0.3s ease;
            z-index: -1;
        }

        .btn-outline-primary:hover::before {
            width: 100%;
        }

        .btn-outline-primary:hover {
            color: white;
            border-color: var(--primary-blue);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(42, 77, 155, 0.3);
        }

        /* Enhanced Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 50%, var(--accent-purple) 100%);
            color: white;
            padding: 6rem 0;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                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='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            animation: float 20s linear infinite;
        }

        .hero-content {
            position: relative;
            z-index: 3;
        }

        .hero-title {
            font-size: 56px;
            font-weight: 900;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff, #f0f8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        .hero-subtitle {
            font-size: 22px;
            margin-bottom: 2.5rem;
            opacity: 0.95;
            font-weight: 400;
            line-height: 1.6;
        }

        .hero-illustration {
            position: relative;
            z-index: 2;
        }

        .hero-icon {
            font-size: 280px;
            background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.05));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 10px 30px rgba(0,0,0,0.2));
        }

        /* Enhanced Stats Cards */
        .stats-card {
            background: var(--surface-color);
            border-radius: 20px;
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .stats-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
        }

        .stats-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .stats-number {
            font-size: 42px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
            display: block;
        }

        .stats-label {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .stats-icon {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 24px;
            color: var(--secondary-blue);
            opacity: 0.3;
        }

        /* Enhanced Feature Cards */
        .feature-card {
            background: var(--surface-color);
            border-radius: 20px;
            padding: 2.5rem;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(42, 77, 155, 0.02), rgba(97, 165, 255, 0.02));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
            border-color: var(--secondary-blue);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 32px;
            margin-bottom: 1.5rem;
            position: relative;
            box-shadow: 0 8px 20px rgba(42, 77, 155, 0.3);
        }

        .feature-icon::after {
            content: '';
            position: absolute;
            top: 10px;
            left: 10px;
            right: 10px;
            bottom: 10px;
            background: rgba(255,255,255,0.2);
            border-radius: 12px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover .feature-icon::after {
            opacity: 1;
        }

        .feature-card h4, .feature-card h5 {
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 20px;
        }

        .feature-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .feature-card .list-unstyled li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--light-gray);
            transition: all 0.3s ease;
        }

        .feature-card .list-unstyled li:hover {
            background-color: var(--light-gray);
            padding-left: 1rem;
            border-radius: 8px;
        }

        .feature-card .list-unstyled li:last-child {
            border-bottom: none;
        }

        /* Enhanced Section Titles */
        .section-title {
            font-size: 42px;
            font-weight: 900;
            text-align: center;
            margin-bottom: 4rem;
            color: var(--text-primary);
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            border-radius: 2px;
        }

        /* Enhanced Demo Cards */
        .demo-card {
            background: var(--surface-color);
            border-radius: 20px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: all 0.4s ease;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .demo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
        }

        .demo-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
        }

        .demo-card .feature-icon {
            width: 60px;
            height: 60px;
            font-size: 24px;
            margin-bottom: 0;
        }

        .demo-card h4 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .demo-info {
            background: var(--light-gray);
            border-radius: 12px;
            padding: 1rem;
            margin: 1.5rem 0;
        }

        .demo-info .row > div {
            padding: 0.5rem;
        }

        .demo-info strong {
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* Enhanced Review Cards */
        .review-card {
            background: var(--surface-color);
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            height: 100%;
            transition: all 0.4s ease;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .review-card::before {
            content: '"';
            position: absolute;
            top: 1rem;
            left: 1.5rem;
            font-size: 80px;
            color: var(--secondary-blue);
            opacity: 0.2;
            font-family: serif;
            line-height: 1;
        }

        .review-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0,0,0,0.15);
        }

        .review-stars {
            color: var(--warning-color);
            margin-bottom: 1.5rem;
            font-size: 18px;
        }

        .review-card p {
            font-style: italic;
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 2;
        }

        .reviewer-info {
            border-top: 2px solid var(--light-gray);
            padding-top: 1rem;
        }

        .reviewer-info strong {
            color: var(--primary-blue);
            font-weight: 700;
        }

        @media (min-width: 768px) {
    .site-footer {
      padding: 2em 0;
        height: 300px; } }
  .site-footer .border-top {
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important; }
  .site-footer p {
    color: #737373; }
  .site-footer h2, .site-footer h3, .site-footer h4, .site-footer h5 {
    color: #000; }
  .site-footer a {
    color: #999999; }
    .site-footer a:hover {
      color: #f38181; }
  .site-footer ul li {
    margin-bottom: 10px; }
  .site-footer .footer-heading {
    font-size: 1.2rem; }

        .admin-sidebar {
            background: var(--surface-color);
            min-height: 100vh;
            box-shadow: 2px 0 10px rgba(0,0,0,0.1);
        }

        .admin-nav-link {
            color: var(--text-primary);
            padding: 1rem 1.5rem;
            display: block;
            text-decoration: none;
            transition: all 0.2s ease-in-out;
            border-radius: 8px;
            margin: 0.25rem 0;
        }

        .admin-nav-link:hover, .admin-nav-link.active {
            background-color: var(--primary-blue);
            color: white;
        }

        .form-control, .form-select {
            border-radius: 8px;
            border: 1px solid #D1D5DB;
            padding: 0.75rem;
            transition: border-color 0.2s ease-in-out;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 0.2rem rgba(42, 77, 155, 0.25);
        }

        .table {
            background: var(--surface-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }

        .page-content {
            min-height: calc(100vh - 200px);
            padding: 2rem 0;
        }

        .hidden {
            display: none;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 18px;
            }
        }

        
    .footer {
    background: #0f172a;  /* solid dark color */
    color: white;
    padding: 50px 0 30px;
    margin-top: 100px;
}