:root {
            --primary: 262.1 83.3% 57.8%;
            --background: 224 71.4% 4.1%;
            --foreground: 210 40% 98%;
            --card: 224 71.4% 6%;
            --border: 215 27.9% 16.9%;
            --muted-foreground: 215 20.2% 65.1%;
            --accent: 216 12.2% 15.9%;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(to bottom, hsl(var(--background)), hsl(224 71.4% 3%));
            color: hsl(var(--foreground));
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 40px 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        
        /* Logo Background */
        .logo-background {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80vw;
            max-width: 1200px;
            height: auto;
            opacity: 0.08;
            z-index: 0;
            pointer-events: none;
            filter: blur(2px) brightness(1.2);
            animation: logoFloat 20s ease-in-out infinite;
        }
        
        @keyframes logoFloat {
            0%, 100% { transform: translate(-50%, -50%) scale(1); }
            50% { transform: translate(-50%, -52%) scale(1.05); }
        }
        
        /* Header Section */
        .header {
            text-align: center;
            margin-bottom: 50px;
            animation: fadeInDown 0.8s ease;
        }
        
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .header h1 {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(90deg, #805AF5 0%, #CE99FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        
        .header p {
            font-size: 1.15rem;
            color: hsl(var(--muted-foreground));
            font-weight: 500;
        }
        
        /* Services Grid */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            max-width: 100%;
            margin: 0 auto;
            animation: fadeInUp 1s ease 0.5s backwards;
            align-items: start;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .service-card {
            background: hsl(var(--card) / 0.8);
            backdrop-filter: blur(20px);
            border: 2px solid hsl(var(--border) / 0.8);
            border-radius: 24px;
            padding: 45px 35px;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            box-shadow: 
                0 12px 40px rgba(0, 0, 0, 0.8),
                0 6px 20px rgba(132, 103, 251, 0.3),
                0 2px 8px rgba(0, 0, 0, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            width: 100%;
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(167, 139, 250, 0.1) 0%, transparent 70%);
            opacity: 0;
            transition: opacity 0.5s;
        }
        
        .service-card:hover::before {
            opacity: 1;
        }
        
        .service-card:hover {
            transform: translateY(-8px);
            border-color: hsl(var(--primary) / 0.7);
            box-shadow: 
                0 20px 60px rgba(0, 0, 0, 0.9),
                0 12px 40px rgba(167, 139, 250, 0.5),
                0 4px 12px rgba(0, 0, 0, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
            background: hsl(var(--card) / 0.95);
        }
        
        .service-card.expanded {
        }
        
        .service-card-content {
            opacity: 0;
            max-height: 0;
            overflow: hidden;
            transition: opacity 0.5s ease, max-height 0.5s ease;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        
        .service-card:hover .service-card-content,
        .service-card.expanded .service-card-content {
            opacity: 1;
            max-height: 1000px;
        }
        
        .service-icon {
            position: absolute;
            bottom: 30px;
            right: 30px;
            width: 80px;
            height: auto;
            transition: transform 0.5s, opacity 0.5s;
            opacity: 0.4;
            filter: drop-shadow(0 4px 12px rgba(167, 139, 250, 0.3));
            content: url('https://www.neurallead.com/assets/images/neurallead/logo.png');
        }
        
        .service-card:hover .service-icon {
            transform: scale(1.25);
            opacity: 0.7;
            content: url('https://www.neurallead.com/assets/images/neurallead/logo_violet.png');
        }
        
        .service-card h2 {
            font-size: 2rem;
            font-weight: 700;
            color: hsl(var(--foreground));
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            text-align: center;
        }
        
        .service-target {
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: hsl(var(--primary));
            text-align: center;
            margin-bottom: 20px;
        }
        
        .service-description {
            font-size: 1.05rem;
            line-height: 1.7;
            color: hsl(var(--muted-foreground));
            margin-bottom: 30px;
            font-weight: 400;
        }
        
        .features-list {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
        }
        
        .features-list li {
            font-size: 0.98rem;
            color: hsl(var(--foreground) / 0.9);
            margin-bottom: 14px;
            padding-left: 32px;
            position: relative;
            line-height: 1.6;
        }
        
        .features-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            font-size: 1.2rem;
            color: hsl(var(--primary));
        }
        
        .cta-intro {
            font-size: 0.95rem;
            color: hsl(var(--muted-foreground));
            margin-bottom: 20px;
            font-style: italic;
            line-height: 1.5;
        }
        
        .cta-wrapper {
            margin-top: auto;
            padding-top: 20px;
        }
        
        .cta-button {
            display: inline-block;
            padding: 14px 36px;
            background: linear-gradient(135deg, hsl(var(--primary)) 0%, #a855f7 100%);
            color: white;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(168, 85, 247, 0.4);
            border: none;
            position: relative;
            overflow: hidden;
        }
        
        .cta-button::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: left 0.5s;
        }
        
        .cta-button:hover::before {
            left: 100%;
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(168, 85, 247, 0.5);
        }
        
        .cta-outline {
            background: transparent;
            border: 2px solid hsl(var(--primary));
            color: hsl(var(--primary));
            box-shadow: none;
        }
        
        .cta-outline:hover {
            background: hsl(var(--primary) / 0.1);
            box-shadow: 0 4px 20px rgba(168, 85, 247, 0.25);
            border-color: #a855f7;
        }
        
        /* Decorative elements */
        .bg-blur {
            position: fixed;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.12;
            z-index: 0;
        }
        
        .blur-1 {
            background: linear-gradient(135deg, #7c3aed, #a855f7);
            top: 10%;
            left: 10%;
            animation: float 20s infinite ease-in-out;
        }
        
        .blur-2 {
            background: linear-gradient(135deg, #ec4899, #8b5cf6);
            bottom: 20%;
            right: 10%;
            animation: float 25s infinite ease-in-out reverse;
        }
        
        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(30px, -30px) scale(1.1); }
            66% { transform: translate(-20px, 20px) scale(0.9); }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .container {
                min-height: auto;
                padding: 30px 20px;
            }
            
            .logo-background {
                width: 90vw;
                opacity: 0.05;
            }
            
            .header h1 {
                font-size: 2.5rem;
            }
            
            .header p {
                font-size: 1rem;
            }
            
            .header {
                margin-bottom: 40px;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .service-card {
                padding: 35px 24px;
            }
            
            .service-card:hover,
            .service-card.expanded {
            }
            
            .service-icon {
                width: 60px;
                bottom: 20px;
                right: 20px;
            }
            
            .service-card h2 {
                font-size: 1.75rem;
            }
        }