.invoicing-section {
            width: 100%;
            padding: 5rem 2rem;
            background: linear-gradient(to bottom, #f0f9ff, #e6f4ff);
            position: relative;
            overflow: hidden;
        }

        .invoicing-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.1);
            filter: blur(40px);
            z-index: 0;
        }

        .invoicing-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(30, 64, 175, 0.1);
            filter: blur(50px);
            z-index: 0;
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 5rem;
            position: relative;
            z-index: 2;
        }

        .section-header h2 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            background: linear-gradient(to right, #1e40af, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, #1e40af, #3b82f6);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.2rem;
            line-height: 1.7;
            color: #4b5563;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto 4rem;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 992px) {
            .features-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

        .feature-card {
            padding: 2.5rem 2rem;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            box-shadow: 0 8px 25px rgba(30, 64, 175, 0.08);
            transition: all 0.4s ease;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(30, 64, 175, 0.15);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            border-radius: 20px;
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            box-shadow: 0 8px 20px rgba(30, 64, 175, 0.2);
        }

        .feature-icon i {
            font-size: 2.2rem;
            color: white;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #1e40af;
        }

        .feature-card p {
            color: #4b5563;
            line-height: 1.6;
        }

        .payment-showcase {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            max-width: 1200px;
            margin: 0 auto 4rem;
            position: relative;
            z-index: 2;
        }

        @media (min-width: 992px) {
            .payment-showcase {
                grid-template-columns: 1fr 1fr;
                align-items: center;
            }
        }

        .payment-content {
            padding-right: 0;
        }

        .payment-content h3 {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            color: #1e40af;
        }

        .payment-content p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #4b5563;
            margin-bottom: 2rem;
        }

        .payment-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        .payment-method {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.8rem 1.2rem;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(30, 64, 175, 0.1);
        }

        .payment-method i {
            font-size: 1.5rem;
            color: #3b82f6;
        }

        .payment-method span {
            font-weight: 500;
            color: #1e40af;
        }

        .payment-visual {
            position: relative;
            height: 400px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .phone-mockup {
            width: 250px;
            height: 500px;
            border-radius: 40px;
            background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
            box-shadow: 0 20px 40px rgba(30, 64, 175, 0.2);
            border: 4px solid #e0f2fe;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            text-align: center;
        }

        .phone-mockup i {
            font-size: 3rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .phone-mockup h4 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #1e40af;
        }

        .phone-mockup p {
            color: #475569;
            line-height: 1.6;
        }

        .floating-element {
            position: absolute;
            width: 120px;
            height: 120px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 25px rgba(30, 64, 175, 0.15);
            animation: float 6s ease-in-out infinite;
        }

        .floating-element:nth-child(2) {
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
            animation-delay: 1s;
        }

        .floating-element:nth-child(3) {
            bottom: 40px;
            left: 30px;
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            animation-delay: 2s;
        }

        .floating-element i {
            font-size: 2.5rem;
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(5deg); }
        }

        .integration-section {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 3rem;
            text-align: center;
            max-width: 1000px;
            margin: 0 auto 4rem;
            box-shadow: 0 10px 30px rgba(30, 64, 175, 0.1);
        }

        .integration-section h3 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: #1e40af;
        }

        .integration-section p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #4b5563;
            max-width: 800px;
            margin: 0 auto 2rem;
        }

        .integration-badge {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 2rem;
            background: linear-gradient(135deg, #1e40af, #3b82f6);
            color: white;
            border-radius: 12px;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(30, 64, 175, 0.2);
        }

        .integration-badge i {
            font-size: 1.5rem;
        }

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

        .cta-container h3 {
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            color: #1e40af;
        }

        .cta-container p {
            font-size: 1.1rem;
            line-height: 1.7;
            color: #4b5563;
            max-width: 600px;
            margin: 0 auto 2.5rem;
        }

        .cta-btn {
            padding: 1.2rem 3rem;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1.1rem;
            text-decoration: none;
            transition: all 0.4s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            background: linear-gradient(90deg, #1e40af, #3b82f6);
            color: white;
            box-shadow: 0 10px 25px rgba(30, 64, 175, 0.25);
            position: relative;
            overflow: hidden;
        }

        .cta-btn::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: 0.5s;
        }

        .cta-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(30, 64, 175, 0.35);
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .invoicing-section {
                padding: 3rem 1.5rem;
            }
            
            .section-header h2 {
                font-size: 2.2rem;
            }
            
            .section-header p {
                font-size: 1.1rem;
            }
            
            .feature-card {
                padding: 2rem 1.5rem;
            }
            
            .payment-content h3 {
                font-size: 1.8rem;
            }
            
            .phone-mockup {
                width: 220px;
                height: 450px;
            }
            
            .integration-section {
                padding: 2rem 1.5rem;
            }
            
            .integration-section h3 {
                font-size: 1.7rem;
            }
            
            .cta-container h3 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .section-header h2 {
                font-size: 1.9rem;
            }
            
            .feature-icon {
                width: 70px;
                height: 70px;
            }
            
            .feature-icon i {
                font-size: 1.8rem;
            }
            
            .feature-card h3 {
                font-size: 1.3rem;
            }
            
            .payment-methods {
                flex-direction: column;
            }
            
            .floating-element {
                width: 80px;
                height: 80px;
            }
            
            .floating-element i {
                font-size: 1.8rem;
            }
        }