a {
  color: #007bff;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.crypto-section {
      padding: 60px 20px;
    }
    .crypto-section h2 {
      font-weight: 700;
      color: #201f35;
      margin-bottom: 20px;
    }
    .crypto-section p {
      font-size: 1.05rem;
      line-height: 1.7;
    }
    .highlight {
      background-color: #e9f5ff;
      padding: 20px;
      border-left: 5px solid #0d6efd;
      margin-bottom: 30px;
      border-radius: 4px;
    }
    .table-responsive {
      margin-top: 20px;
    }
    .comparison-table th, .comparison-table td {
      vertical-align: middle !important;
    }
    
    .stats-section {
      padding: 60px 20px;
    }
    .stats-section h2 {
      font-weight: 700;
      color: #2c2c45;
      margin-bottom: 20px;
    }
    .highlight-box {
      background-color: #eef5fc;
      border-left: 5px solid #007bff;
      padding: 20px;
      border-radius: 5px;
      margin-bottom: 30px;
    }
    .test-list li {
      margin-bottom: 10px;
    }
    .table th, .table td {
      vertical-align: middle;
    }




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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* --- নতুন কোড --- */
        /* This wrapper makes both headers sticky to the top */
        .sticky-header-wrapper {
            position: sticky;
            top: 0;
            z-index: 1000; /* Ensure header stays on top of other content */
        }
        /* --- নতুন কোড শেষ --- */

        /* Header Styles */
        .top-header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 10px 0;
            font-size: 14px;
        }

        .top-header .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .contact-info {
            display: flex;
            gap: 30px;
        }

        .contact-info span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .social-links {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .social-links a {
            color: white;
            text-decoration: none;
            font-size: 16px;
        }

        /* Main Header */
        .main-header {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .main-header .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-img {
            width: 60px;
            height: 40px;
            background: linear-gradient(45deg, #3498db, #2980b9);
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-menu a:hover {
            color: #3498db;
        }

        .cta-button {
            background: linear-gradient(45deg, #3498db, #2980b9);
            color: white;
            padding: 12px 25px;
            border: none;
            border-radius: 25px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .cta-button:hover {
            transform: translateY(-2px);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
            opacity: 0.1;
        }

        .hero .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 3.5em;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.3em;
            margin-bottom: 40px;
            opacity: 0.9;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
        }

        .btn-primary, .btn-secondary {
            padding: 15px 35px;
            border: none;
            border-radius: 30px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-primary {
            background: linear-gradient(45deg, #ff6b6b, #ee5a52);
            color: white;
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .btn-primary:hover, .btn-secondary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        /* Services Section */
        .services {
            padding: 100px 0;
            background: #f8f9fa;
        }

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

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5em;
            color: #2c3e50;
            margin-bottom: 15px;
        }

        .section-title p {
            font-size: 1.1em;
            color: #666;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .service-card {
            background: white;
            padding: 40px 30px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }

        .service-card:hover {
            transform: translateY(-10px);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(45deg, #3498db, #2980b9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 30px;
            color: white;
        }

        .service-card h3 {
            font-size: 1.5em;
            margin-bottom: 15px;
            color: #2c3e50;
        }

        .service-card p {
            color: #666;
            line-height: 1.6;
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background: white;
        }

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

        .features-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .features-text h2 {
            font-size: 2.5em;
            color: #2c3e50;
            margin-bottom: 20px;
        }

        .features-text p {
            font-size: 1.1em;
            color: #666;
            margin-bottom: 30px;
        }

        .features-list {
            list-style: none;
        }

        .features-list li {
            padding: 10px 0;
            position: relative;
            padding-left: 30px;
        }

        .features-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #27ae60;
            font-weight: bold;
            font-size: 16px;
        }

        .features-visual {
            position: relative;
        }

        .certificate-mockup {
            background: linear-gradient(45deg, #667eea, #764ba2);
            border-radius: 15px;
            padding: 40px;
            color: white;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
            padding: 60px 0 30px;
        }

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

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-section h3 {
            margin-bottom: 20px;
            color: #3498db;
        }

        .footer-section p, .footer-section li {
            color: #bdc3c7;
            margin-bottom: 10px;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: #3498db;
        }

        .footer-bottom {
            border-top: 1px solid #34495e;
            padding-top: 20px;
            text-align: center;
            color: #95a5a6;
        }

        .social-footer {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }

        .social-footer a {
            width: 40px;
            height: 40px;
            background: #34495e;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: background 0.3s;
        }

        .social-footer a:hover {
            background: #3498db;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .top-header .container {
                flex-direction: column;
                gap: 10px;
            }

            .main-header .container {
                flex-direction: column;
                gap: 20px;
            }

            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero h1 {
                font-size: 2.5em;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .features-content {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        
        
       /* --- Form Section Styles --- */
.form-section {
    padding: 100px 0;
    background: #f8f9fa; /* Matches the services section background */
}

.form-container {
    background: white;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: 'Arial', sans-serif;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 8px rgba(52, 152, 219, 0.3);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.text-danger {
    color: #e74c3c;
}

.form-row {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.form-col {
    flex: 1;
    min-width: calc(50% - 15px);
}

.form-submit-btn {
    width: 100%;
    padding: 15px 30px;
    font-size: 18px;
    border-radius: 8px; /* A slightly more standard button radius for forms */
}

.text-center {
    text-align: center;
}

/* --- Responsive Adjustments for Form --- */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .form-col {
        min-width: 100%;
    }
    .form-container {
        padding: 30px 25px;
    }
} 
        
        

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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Header Styles */
        .top-header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 10px 0;
            font-size: 14px;
        }

        .top-header .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .contact-info {
            display: flex;
            gap: 30px;
        }

        .contact-info span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .social-links {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .social-links a {
            color: white;
            text-decoration: none;
            font-size: 16px;
        }

        .main-header {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .main-header .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-img {
            width: 60px;
            height: 40px;
            background: linear-gradient(45deg, #3498db, #2980b9);
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: #3498db;
        }

        .cta-button {
            background: linear-gradient(45deg, #3498db, #2980b9);
            color: white;
            padding: 12px 25px;
            border: none;
            border-radius: 25px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .cta-button:hover {
            transform: translateY(-2px);
        }

        /* Page Header */
        .page-header {
            background: linear-gradient(135deg, #e74c3c, #c0392b);
            color: white;
            padding: 80px 0;
            text-align: center;
        }

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

        .page-header h1 {
            font-size: 3em;
            margin-bottom: 15px;
        }

        .page-header p {
            font-size: 1.2em;
            opacity: 0.9;
        }

        /* Main Content */
        .main-content {
            padding: 80px 0;
        }

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

        .content-section {
            margin-bottom: 60px;
        }

        .content-section h2 {
            font-size: 2.2em;
            color: #2c3e50;
            margin-bottom: 20px;
        }

        .content-section h3 {
            font-size: 1.5em;
            color: #34495e;
            margin-bottom: 15px;
            margin-top: 30px;
        }

        .content-section p {
            font-size: 1.1em;
            color: #666;
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .feature-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-left: 4px solid #e74c3c;
        }

        .feature-card h4 {
            color: #2c3e50;
            margin-bottom: 15px;
            font-size: 1.3em;
        }

        .feature-card p {
            color: #666;
            margin: 0;
        }

        .process-steps {
            background: #f8f9fa;
            padding: 40px;
            border-radius: 15px;
            margin: 40px 0;
        }

        .step {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
            padding: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .step-number {
            background: linear-gradient(45deg, #e74c3c, #c0392b);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-right: 20px;
            flex-shrink: 0;
        }

        .step-content h4 {
            color: #2c3e50;
            margin-bottom: 10px;
        }

        .step-content p {
            color: #666;
            margin: 0;
        }

        .cta-section {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            padding: 60px 0;
            text-align: center;
            border-radius: 15px;
            margin: 60px 0;
        }

        .cta-section h2 {
            font-size: 2.5em;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 1.2em;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .btn-primary {
            background: linear-gradient(45deg, #ff6b6b, #ee5a52);
            color: white;
            padding: 15px 35px;
            border: none;
            border-radius: 30px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
            padding: 60px 0 30px;
        }

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

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-section h3 {
            margin-bottom: 20px;
            color: #3498db;
        }

        .footer-section p, .footer-section li {
            color: #bdc3c7;
            margin-bottom: 10px;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: #3498db;
        }

        .footer-bottom {
            border-top: 1px solid #34495e;
            padding-top: 20px;
            text-align: center;
            color: #95a5a6;
        }

        .social-footer {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }

        .social-footer a {
            width: 40px;
            height: 40px;
            background: #34495e;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: background 0.3s;
        }

        .social-footer a:hover {
            background: #3498db;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .top-header .container {
                flex-direction: column;
                gap: 10px;
            }

            .main-header .container {
                flex-direction: column;
                gap: 20px;
            }

            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }

            .page-header h1 {
                font-size: 2em;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }
        }