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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.18);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 25px;
        }

        .nav-links a:hover {
            background: rgba(102, 126, 234, 0.1);
            color: #667eea;
        }

        .signup-btn {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white !important;
            padding: 0.7rem 2rem !important;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .signup-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }

        /* Main Content */
        main {
            margin-top: 80px;
            padding: 2rem 0;
        }

        /* Hero Section */
        .hero {
            text-align: center;
            padding: 4rem 0;
            color: white;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero .subtitle {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero .equation {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            padding: 1.5rem;
            border-radius: 15px;
            display: inline-block;
            margin: 2rem 0;
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* Content Sections */
        .content-section {
            background: white;
            margin: 2rem 0;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(20px);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: #333;
            border-bottom: 3px solid #667eea;
            padding-bottom: 0.5rem;
            display: inline-block;
        }

        /* Blog Grid */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }

        .blog-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            border: 1px solid rgba(102, 126, 234, 0.1);
        }

        .blog-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
        }

        .blog-card-header {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 1.5rem;
        }

        .blog-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .blog-card .meta {
            opacity: 0.9;
            font-size: 0.9rem;
        }

        .blog-card-content {
            padding: 1.5rem;
        }

        .read-more {
            display: inline-block;
            margin-top: 1rem;
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .read-more:hover {
            color: #764ba2;
        }

        /* Newsletter Signup */
        .newsletter {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 3rem;
            border-radius: 20px;
            text-align: center;
            margin: 3rem 0;
        }

        .newsletter h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .newsletter-form {
            display: flex;
            gap: 1rem;
            max-width: 400px;
            margin: 2rem auto 0;
        }

        .newsletter input {
            flex: 1;
            padding: 1rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
        }

        .newsletter button {
            background: white;
            color: #667eea;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .newsletter button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        /* User Dashboard */
        .user-dashboard {
            display: none;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .dashboard-card {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
        }

        /* Footer */
        footer {
            background: rgba(0, 0, 0, 0.8);
            color: white;
            text-align: center;
            padding: 2rem;
            margin-top: 4rem;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
        }

        .modal-content {
            background: white;
            margin: 10% auto;
            padding: 2rem;
            border-radius: 20px;
            width: 90%;
            max-width: 500px;
            position: relative;
        }

        .close {
            position: absolute;
            right: 1rem;
            top: 1rem;
            font-size: 2rem;
            cursor: pointer;
            color: #999;
        }

        .close:hover {
            color: #333;
        }

        .form-group {
            margin: 1rem 0;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .form-group input {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e1e5e9;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus {
            outline: none;
            border-color: #667eea;
        }

        .btn-primary {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .nav-links {
                display: none;
            }
            
            .newsletter-form {
                flex-direction: column;
            }
            
            .content-section {
                padding: 2rem 1rem;
            }
        }

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

        .animate-in {
            animation: fadeInUp 0.8s ease-out;
        }

        /* Success Message */
        .success-message {
            background: #4caf50;
            color: white;
            padding: 1rem;
            border-radius: 10px;
            margin: 1rem 0;
            display: none;
        }
    body
{
   background-color: #FFFFFF;
   color: #000000;
   font-family: Arial;
   font-weight: normal;
   font-size: 13px;
   line-height: 1.1875;
   margin: 0;
   padding: 0;
}
a
{
   color: #0000FF;
   text-decoration: underline;
}
a:visited
{
   color: #800080;
}
a:active
{
   color: #FF0000;
}
a:hover
{
   color: #0000FF;
   text-decoration: underline;
}
input:focus, textarea:focus, select:focus
{
   outline: none;
}