body {

      font-family: 'Open Sans', 'Lato', sans-serif;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Montserrat', 'Poppins', sans-serif;
    }
        .service-bg {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        }
        .gradient-text {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .email-gradient {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        }
        .floating-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-gradient {
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(124, 58, 237, 0.05) 100%);
        }
        .process-step {
            position: relative;
        }
        .process-step::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 0;
            width: 2px;
            height: 100%;
            background: linear-gradient(to bottom, #8b5cf6, #7c3aed);
        }
        @media (max-width: 768px) {
            .process-step::before {
                left: -15px;
            }
        }
        .package-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .package-card:hover {
            transform: translateY(-10px);
        }
        .package-card.popular {
            border: 2px solid #8b5cf6;
            transform: scale(1.05);
        }
        @media (max-width: 768px) {
            .package-card.popular {
                transform: scale(1.02);
            }
        }
        .tech-badge {
            background: linear-gradient(135deg, #1e293b, #334155);
            border: 1px solid #475569;
        }
        .campaign-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 20px 40px rgba(139, 92, 246, 0.2);
        }
        .metric-category {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            border-left: 4px solid #8b5cf6;
        }
        .workflow-card {
            transition: all 0.3s ease;
        }
        .workflow-card:hover {
            transform: translateY(-5px);
            border-color: #8b5cf6;
        }
        .platform-pill {
            background: linear-gradient(135deg, #1e293b, #334155);
            border: 1px solid #475569;
            transition: all 0.3s ease;
        }
        .platform-pill:hover {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
            transform: scale(1.05);
        }

        @media (max-width: 640px) {
            .text-responsive {
                font-size: 2.5rem !important;
            }
            .text-responsive-lg {
                font-size: 1.875rem !important;
            }
            .text-responsive-xl {
                font-size: 2.25rem !important;
            }
            .p-responsive {
                padding: 1rem !important;
            }
            .px-responsive {
                padding-left: 1rem !important;
                padding-right: 1rem !important;
            }
            .gap-responsive {
                gap: 1rem !important;
            }
        }

        @media (max-width: 768px) {
            .grid-responsive {
                grid-template-columns: 1fr !important;
            }
            .flex-responsive {
                flex-direction: column !important;
            }
            .text-center-mobile {
                text-align: center !important;
            }
        }

        @media (max-width: 768px) {
            .btn-mobile {
                padding: 1rem 1.5rem !important;
                font-size: 1.125rem !important;
                min-height: 3.5rem !important;
            }
        }


        .mobile-optimized {
            -webkit-overflow-scrolling: touch;
        }


        .email-preview {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            border-radius: 12px;
            position: relative;
            overflow: hidden;
            border: 1px solid #374151;
        }
        .email-header {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
            padding: 1rem;
            text-align: center;
        }
        .email-content {
            padding: 1.5rem;
            background: white;
            color: #1f2937;
        }