:root {
        --primary-color: #4F46E5;
        --secondary-color: #8B5CF6;
        --light-purple: #F3F4FF;
        --text-dark: #1F2937;
    }

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

    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        color: var(--text-dark);
        overflow-x: hidden;
    }

    /* Navbar */
    .navbar {
        padding: 1.2rem 0;
        background: white;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .navbar-brand {
        font-weight: 700;
        font-size: 1.5rem;
        color: var(--primary-color) !important;
    }

    .navbar-brand i {
        color: var(--primary-color);
        margin-right: 0.5rem;
    }

    .nav-link {
        color: var(--text-dark) !important;
        margin: 0 1rem;
        font-weight: 500;
        transition: color 0.3s;
    }

    .nav-link:hover {
        color: var(--primary-color) !important;
    }

    .btn-login {
        border: 2px solid var(--primary-color);
        color: var(--primary-color);
        padding: 0.5rem 1.5rem;
        border-radius: 25px;
        font-weight: 600;
        margin-right: 1rem;
        transition: all 0.3s;
    }

    .btn-login:hover {
        background: var(--primary-color);
        color: white;
    }

    .btn-register {
        background: var(--primary-color);
        color: white;
        padding: 0.5rem 1.5rem;
        border-radius: 25px;
        font-weight: 600;
        border: none;
        transition: all 0.3s;
    }

    .btn-register:hover {
        background: #4338CA;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
    }

    /* Hero Section */
    .hero-section {
        background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 50%, #DDD6FE 100%);
        padding: 5rem 0;
        position: relative;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
        border-radius: 50%;
        top: -200px;
        right: -100px;
    }

    .hero-content h1 {
        font-size: 3.5rem;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 1.5rem;
    }

    .hero-content h1 span {
        text-decoration: underline;
        text-decoration-color: var(--primary-color);
        text-decoration-thickness: 4px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        color: #6B7280;
        margin-bottom: 2rem;
        line-height: 1.6;
    }

    .account-badge {
        background: white;
        padding: 1rem 1.5rem;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        display: inline-flex;
        align-items: center;
        gap: 1rem;
    }

    .account-badge i {
        color: var(--primary-color);
    }

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

    .hero-image img {
        max-width: 100%;
        height: auto;
    }

    .stats-badge {
        position: absolute;
        background: white;
        padding: 1rem 1.5rem;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        top: 20%;
        right: -10%;
    }

    /* Features Section */
    .features-section {
        padding: 5rem 0;
        background: white;
    }

    .section-title {
        text-align: center;
        margin-bottom: 3rem;
    }

    .section-subtitle {
        color: var(--primary-color);
        text-transform: uppercase;
        font-weight: 700;
        font-size: 0.9rem;
        letter-spacing: 1px;
        margin-bottom: 1rem;
    }

    .section-title h2 {
        font-size: 2.5rem;
        font-weight: 800;
    }

    .feature-card {
        background: #F9FAFB;
        padding: 2.5rem 2rem;
        border-radius: 20px;
        text-align: center;
        transition: all 0.3s;
        height: 100%;
        border: 2px solid transparent;
    }

    .feature-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(79, 70, 229, 0.1);
        border-color: var(--primary-color);
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        background: white;
        border-radius: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 1.5rem;
        font-size: 2rem;
        color: var(--primary-color);
        box-shadow: 0 5px 15px rgba(79, 70, 229, 0.1);
    }

    .feature-card h4 {
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .feature-card p {
        color: #6B7280;
        font-size: 0.95rem;
    }

    /* Security Section */
    .security-section {
        padding: 5rem 0;
        background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    }

    .security-feature {
        background: white;
        padding: 2rem;
        border-radius: 15px;
        margin-bottom: 2rem;
        display: flex;
        align-items: flex-start;
        gap: 1.5rem;
        transition: all 0.3s;
    }

    .security-feature:hover {
        transform: translateX(10px);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .security-icon {
        width: 50px;
        height: 50px;
        background: var(--light-purple);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        flex-shrink: 0;
    }

    .security-icon.blue {
        color: #3B82F6;
    }

    .security-icon.red {
        color: #EF4444;
    }

    .security-icon.green {
        color: #10B981;
    }

    .security-icon.orange {
        color: #F59E0B;
    }

    .security-icon.purple {
        color: var(--secondary-color);
    }

    /* Account Access Section */
    .account-section {
        padding: 5rem 0;
        background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 100%);
        position: relative;
        overflow: hidden;
    }

    .account-section::before,
    .account-section::after {
        content: '';
        position: absolute;
        width: 300px;
        height: 300px;
        background: rgba(59, 130, 246, 0.1);
        border-radius: 50%;
    }

    .account-section::before {
        bottom: -100px;
        left: -100px;
    }

    .account-section::after {
        top: -100px;
        right: -100px;
    }

    .account-content {
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .btn-black {
        background: #1F2937;
        color: white;
        padding: 0.8rem 2.5rem;
        border-radius: 8px;
        font-weight: 600;
        border: none;
        transition: all 0.3s;
    }

    .btn-black:hover {
        background: #111827;
        transform: translateY(-2px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    }

    /* Monthly Payments Section */
    .monthly-section {
        padding: 5rem 0;
        background: white;
    }

    .monthly-content h3 {
        font-size: 0.9rem;
        color: var(--primary-color);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 1rem;
    }

    .monthly-content h2 {
        font-size: 2.5rem;
        font-weight: 800;
        margin-bottom: 1.5rem;
    }

    .monthly-image {
        position: relative;
    }

    .monthly-image img {
        max-width: 100%;
        height: auto;
        border-radius: 40px;
    }

    /* Testimonial Section */
    .testimonial-section {
        padding: 5rem 0;
        background: #F9FAFB;
    }

    .testimonial-card {
        background: white;
        padding: 2.5rem;
        border-radius: 20px;
        text-align: center;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        height: 100%;
    }

    .testimonial-avatar {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        margin: 0 auto 1.5rem;
        overflow: hidden;
    }

    .testimonial-avatar img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .testimonial-name {
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }

    .testimonial-text {
        color: #6B7280;
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }

    .stars {
        color: #FCD34D;
        font-size: 1.2rem;
    }

    .carousel-dots {
        text-align: center;
        margin-top: 2rem;
    }

    .carousel-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #D1D5DB;
        display: inline-block;
        margin: 0 0.5rem;
        cursor: pointer;
    }

    .carousel-dot.active {
        background: #1F2937;
        width: 30px;
        border-radius: 5px;
    }

    /* CTA Section */
    .cta-section {
        padding: 5rem 0;
        background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
        opacity: 0.5;
    }

    .cta-content {
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .cta-content h2 {
        color: white;
        font-size: 2.5rem;
        font-weight: 800;
        margin-bottom: 1.5rem;
    }

    .cta-content p {
        color: #D1D5DB;
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .btn-cta {
        background: var(--primary-color);
        color: white;
        padding: 1rem 3rem;
        border-radius: 30px;
        font-weight: 600;
        border: none;
        transition: all 0.3s;
    }

    .btn-cta:hover {
        background: #4338CA;
        transform: translateY(-3px);
        box-shadow: 0 15px 35px rgba(79, 70, 229, 0.4);
    }

    /* Footer */
    .footer {
        background: white;
        padding: 3rem 0 1.5rem;
        border-top: 1px solid #E5E7EB;
    }

    .footer-brand {
        font-weight: 700;
        font-size: 1.5rem;
        color: var(--primary-color);
        margin-bottom: 1rem;
    }

    .footer-text {
        color: #6B7280;
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .footer-links {
        list-style: none;
        padding: 0;
    }

    .footer-links li {
        margin-bottom: 0.8rem;
    }

    .footer-links a {
        color: #6B7280;
        text-decoration: none;
        transition: color 0.3s;
    }

    .footer-links a:hover {
        color: var(--primary-color);
    }

    .footer-bottom {
        margin-top: 3rem;
        padding-top: 1.5rem;
        border-top: 1px solid #E5E7EB;
        text-align: center;
        color: #9CA3AF;
        font-size: 0.9rem;
    }

    .footer-actions {
        display: flex;
        gap: 1rem;
        margin-top: 2rem;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .hero-content h1 {
            font-size: 2rem;
        }

        .section-title h2 {
            font-size: 1.8rem;
        }

        .stats-badge {
            position: static;
            margin-top: 1rem;
        }

        .hero-section {
            padding: 3rem 0;
        }

        .features-section,
        .security-section,
        .monthly-section,
        .testimonial-section,
        .account-section,
        .cta-section {
            padding: 3rem 0;
        }

        .cta-content h2 {
            font-size: 1.8rem;
        }

        .footer-actions {
            flex-direction: column;
        }

        .nav-link {
            margin: 0.5rem 0;
        }
    }