/* ==========================================================================
           4IAGENCY - OPTIMIZED STYLESHEET
           ========================================================================== */

        :root {
            /* Refined Color System */
            --primary-blue: #0097b2;
            --primary-gray: #4d5c64;
            --primary-white: #ffffff;
            
            /* Advanced Tech-Digital Palette */
            --blue-bright: #00b4d1;
            --blue-light: #33c9e0;
            --blue-accent: #0ea5e9;
            --tech-dark: #1a1f23;
            --tech-bg: #fafbfc;
            --surface-light: #f8fafc;
            --success-green: #10b981;
            --success-light: #34d399;
            --warning-orange: #f59e0b;
            --premium-purple: #6366f1;
            --accent-pink: #ec4899;
            --accent-emerald: #059669;
            
            /* Sophisticated Gradients */
            --gradient-main: linear-gradient(135deg, #0097b2 0%, #00b4d1 50%, #0ea5e9 100%);
            --gradient-dark: linear-gradient(135deg, #1a1f23 0%, #4d5c64 50%, #374151 100%);
            --gradient-glow: linear-gradient(135deg, #0097b2 0%, #6366f1 50%, #ec4899 100%);
            --gradient-subtle: linear-gradient(135deg, rgba(0, 151, 178, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%);
            --gradient-surface: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
            --gradient-mesh: 
                radial-gradient(at 40% 20%, rgba(0, 151, 178, 0.15) 0px, transparent 50%),
                radial-gradient(at 80% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
                radial-gradient(at 0% 50%, rgba(236, 72, 153, 0.08) 0px, transparent 50%);
            
            /* Enhanced Shadows & Effects */
            --shadow-xs: 0 1px 2px rgba(0, 151, 178, 0.05);
            --shadow-sm: 0 2px 4px rgba(0, 151, 178, 0.08);
            --shadow-md: 0 4px 12px rgba(0, 151, 178, 0.12);
            --shadow-lg: 0 8px 25px rgba(0, 151, 178, 0.15);
            --shadow-xl: 0 20px 40px rgba(0, 151, 178, 0.2);
            --shadow-glow: 0 0 30px rgba(0, 151, 178, 0.3);
            --shadow-premium: 0 25px 60px rgba(0, 0, 0, 0.15);
            
            /* Modern Borders */
            --border-light: 1px solid rgba(0, 151, 178, 0.08);
            --border-medium: 1px solid rgba(0, 151, 178, 0.15);
            --border-accent: 2px solid rgba(0, 151, 178, 0.2);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px; /* Aumentado para compensar el header */
        }

        body {
            font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.65;
            color: var(--primary-gray);
            overflow-x: hidden;
            background: var(--primary-white);
            font-feature-settings: 'liga', 'kern';
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            padding-top: 0; /* Asegurarse de que no haya padding extra */
        }

        /* Focus management for accessibility */
        :focus {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

        .skip-link {
            position: absolute;
            top: -40px;
            left: 6px;
            background: var(--primary-blue);
            color: white;
            padding: 8px;
            text-decoration: none;
            z-index: 10000;
            border-radius: 4px;
        }

        .skip-link:focus {
            top: 6px;
        }

        /* Smooth Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px) rotateY(0deg); }
            50% { transform: translateY(-15px) rotateY(5deg); }
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); box-shadow: var(--shadow-md); }
            50% { transform: scale(1.05); box-shadow: var(--shadow-glow); }
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        @keyframes typing {
            0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
            30% { transform: translateY(-8px); opacity: 1; }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }

        /* Header with Glassmorphism */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            background: rgba(248, 252, 255, 0.95);
            backdrop-filter: blur(20px);
            z-index: 9999;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-bottom: 1px solid rgba(0, 151, 178, 0.1);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .header.scrolled {
            background: rgba(248, 252, 255, 0.95);
            box-shadow: var(--shadow-lg);
            transform: translateY(0);
        }

        .nav {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .logo-container:hover {
            transform: translateY(-2px);
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            position: relative;
        }

        .logo-text {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .logo-ia {
            color: var(--primary-blue);
        }

        .logo-gency {
            color: var(--primary-gray);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.5rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--primary-gray);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
            transform: translateY(-1px);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--gradient-main);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            transform: translateX(-50%);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        /* Mobile Menu Button */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            justify-content: space-around;
            width: 30px;
            height: 30px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
        }

        .hamburger-line {
            width: 100%;
            height: 3px;
            background: var(--primary-gray);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

        .mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        .cta-button {
            background: var(--gradient-main);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            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 ease;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

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

        /* Hero Section with Advanced Effects */
        .hero {
            min-height: 100vh;
            background: var(--gradient-dark);
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding-top: 80px; /* Compensar por el header fixed */
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(0, 151, 178, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-grid {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                linear-gradient(rgba(0, 151, 178, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 151, 178, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
        }

        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-text {
            color: white;
        }

        .hero-text h1 {
            font-size: 4rem;
            font-weight: 900;
            margin-bottom: 1.5rem;
            line-height: 1.1;
            letter-spacing: -2px;
            animation: fadeInUp 1s ease 0.2s both;
        }

        .hero-text .highlight {
            background: var(--gradient-glow);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }

        .hero-text .hero-text .highlight::after {
    display: none;
}

@media (min-width: 769px) {
    .hero-text .highlight::after {
        content: '';
        position: absolute;
        bottom: 3px;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--gradient-main);
        border-radius: 2px;
        opacity: 0.7;
    }
}.highlight::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-main);
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            font-weight: 400;
            line-height: 1.6;
            animation: fadeInUp 1s ease 0.4s both;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin: 3rem 0;
            animation: fadeInUp 1s ease 0.6s both;
        }

        .stat {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            padding: 1.5rem 1rem;
            border-radius: 20px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .stat:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-5px);
            box-shadow: var(--shadow-glow);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
            font-weight: 500;
            margin-top: 0.5rem;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            margin-top: 3rem;
            animation: fadeInUp 1s ease 0.8s both;
        }

        .btn-primary {
            background: var(--gradient-main);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary::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 ease;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

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

        .btn-secondary {
            background: transparent;
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary-blue);
            transform: translateY(-2px);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            animation: float 4s ease-in-out infinite;
            perspective: 1000px;
        }

        .dashboard-mockup {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 25px;
            box-shadow: 
                0 25px 60px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.1);
            padding: 2rem;
            max-width: 550px;
            width: 100%;
            transform: perspective(1000px) rotateY(-8deg) rotateX(2deg);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .mockup-header {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
            align-items: center;
        }

        .mockup-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
        }

        .dot-red { background: #ef4444; }
        .dot-yellow { background: #f59e0b; }
        .dot-green { background: #10b981; }

        .mockup-title {
            margin-left: auto;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            color: var(--primary-gray);
            font-weight: 500;
            letter-spacing: 0.5px;
            opacity: 0.8;
        }

        .mockup-content {
            background: var(--tech-bg);
            border-radius: 15px;
            padding: 2rem;
            border: 1px solid rgba(0, 151, 178, 0.1);
        }

        .workflow-item {
            background: white;
            border-radius: 12px;
            padding: 1.2rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 151, 178, 0.05);
        }

        .workflow-item:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow-md);
        }

        .workflow-icon {
            width: 45px;
            height: 45px;
            background: var(--gradient-main);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            flex-shrink: 0; /* Evitar que se comprima */
            position: relative;
        }

        .workflow-icon i {
            font-size: 1.2rem;
            line-height: 1;
        }

        /* Iconos - Asegurar compatibilidad y fallbacks */
        i[class*="fa-"] {
            display: inline-block;
            font-style: normal;
            font-variant: normal;
            text-rendering: auto;
            line-height: 1;
        }

        /* Fallbacks específicos para iconos comunes */
        .fa-check:empty::before { content: '✓'; }
        .fa-comments:empty::before { content: '💬'; }
        .fa-brain:empty::before { content: '🧠'; }
        .fa-calendar-alt:empty::before { content: '📅'; }
        .fa-chart-line:empty::before { content: '📊'; }
        .fa-clock:empty::before { content: '⏰'; }
        .fa-trending-down:empty::before { content: '📉'; }
        .fa-exclamation-triangle:empty::before { content: '⚠️'; }
        .fab.fa-whatsapp:empty::before { content: '📱'; }
        .fa-calendar:empty::before { content: '📅'; }
        .fa-shopping-cart:empty::before { content: '🛒'; }
        .fa-chart-bar:empty::before { content: '📊'; }
        .fa-cogs:empty::before { content: '⚙️'; }
        .fa-shield-alt:empty::before { content: '🛡️'; }

        .workflow-text h4 {
            font-weight: 700;
            color: var(--primary-gray);
            font-size: 0.95rem;
            margin-bottom: 0.2rem;
        }

        .workflow-text p {
            font-size: 0.8rem;
            color: #6B7280;
        }

        /* Modern Sections */
        .section {
            padding: 8rem 2rem;
            position: relative;
        }

        .section-alt {
            background: var(--surface-light);
            position: relative;
        }

        .section-alt::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-subtle);
            pointer-events: none;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 5rem;
        }

        .section-header h2 {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary-gray);
            margin-bottom: 1.5rem;
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .section-header .highlight {
            background: var(--gradient-main);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-header p {
            font-size: 1.25rem;
            color: #6B7280;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Asymmetrical Problem Section */
        .problems-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr 0.9fr;
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .problem-card {
            background: var(--gradient-surface);
            border-radius: 30px;
            padding: 2.8rem;
            box-shadow: var(--shadow-md);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border: var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .problem-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-main);
        }

        .problem-card::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(0, 151, 178, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .problem-card:nth-child(2) {
            transform: translateY(-1.5rem);
        }

        .problem-card:nth-child(3) {
            transform: translateY(1rem);
        }

        .problem-card:hover {
            transform: translateY(-12px) scale(1.02);
            box-shadow: var(--shadow-xl);
            border: var(--border-accent);
        }

        .problem-card:nth-child(2):hover {
            transform: translateY(-2rem) scale(1.02);
        }

        .problem-card:nth-child(3):hover {
            transform: translateY(-0.5rem) scale(1.02);
        }

        .problem-icon {
            width: 75px;
            height: 75px;
            background: var(--gradient-main);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 2.5rem;
            color: white;
            font-size: 2rem;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .problem-icon::after {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--gradient-glow);
            border-radius: 22px;
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .problem-card:hover .problem-icon::after {
            opacity: 0.3;
        }

        .problem-card h3 {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: var(--primary-gray);
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .problem-card p {
            color: #6B7280;
            line-height: 1.75;
            font-size: 1.05rem;
            letter-spacing: -0.1px;
        }

        /* Solution Section */
        .solution-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            align-items: center;
        }

        .solution-text h2 {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 2rem;
            color: var(--primary-gray);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .solution-text p {
            font-size: 1.2rem;
            color: #6B7280;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .benefits-list {
            list-style: none;
            margin-bottom: 3rem;
        }

        .benefits-list li {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
            font-weight: 600;
            color: var(--primary-gray);
            font-size: 1rem;
        }

        .benefits-list i {
            width: 28px;
            height: 28px;
            background: var(--success-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.8rem;
        }

        /* Chat Demo */
        .demo-container {
            background: var(--tech-bg);
            border-radius: 25px;
            padding: 2rem;
            position: relative;
            border: 1px solid rgba(0, 151, 178, 0.1);
            box-shadow: var(--shadow-md);
        }

        .chat-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(0, 151, 178, 0.1);
        }

        .chat-avatar {
            width: 40px;
            height: 40px;
            background: var(--gradient-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
        }

        .chat-info h4 {
            font-weight: 700;
            color: var(--primary-gray);
            font-size: 1rem;
        }

        .chat-info p {
            font-size: 0.8rem;
            color: var(--success-green);
        }

        .chat-demo {
            background: var(--gradient-surface);
            border-radius: 20px;
            padding: 1.5rem;
            max-height: 450px;
            overflow-y: auto;
            border: var(--border-light);
            position: relative;
        }

        .chat-demo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
            border-radius: 20px;
            pointer-events: none;
        }

        .chat-message {
            margin-bottom: 1.2rem;
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
        }

        .chat-message.user {
            justify-content: flex-end;
        }

        .chat-message.bot {
            justify-content: flex-start;
        }

        .message-bubble {
            padding: 1rem 1.5rem;
            border-radius: 20px;
            max-width: 75%;
            word-wrap: break-word;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .message-bubble.user {
            background: var(--gradient-main);
            color: white;
            border-bottom-right-radius: 5px;
        }

        .message-bubble.bot {
            background: #F3F4F6;
            color: var(--primary-gray);
            border-bottom-left-radius: 5px;
        }

        .typing-indicator {
            display: flex;
            gap: 6px;
            padding: 1rem 1.5rem;
            background: #F3F4F6;
            border-radius: 20px;
            border-bottom-left-radius: 5px;
            max-width: 60px;
        }

        .typing-dot {
            width: 8px;
            height: 8px;
            background: #9CA3AF;
            border-radius: 50%;
            animation: typing 1.4s infinite ease-in-out;
        }

        .typing-dot:nth-child(2) { animation-delay: 0.2s; }
        .typing-dot:nth-child(3) { animation-delay: 0.4s; }

        /* Services Grid */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .service-card {
            background: white;
            border-radius: 25px;
            padding: 3rem;
            box-shadow: var(--shadow-md);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 151, 178, 0.1);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-main);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary-blue);
        }

        .service-header {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-main);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            box-shadow: var(--shadow-md);
        }

        .service-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-gray);
        }

        .service-card p {
            color: #6B7280;
            line-height: 1.7;
            margin-bottom: 2rem;
            font-size: 1rem;
        }

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

        .service-features li {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
            color: #6B7280;
            font-size: 0.95rem;
        }

        .service-features i {
            color: var(--success-green);
            font-size: 1rem;
        }

        /* ROI Section */
        .roi-section {
            padding: 8rem 2rem;
            background: var(--gradient-dark);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .roi-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 20%, rgba(0, 151, 178, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .roi-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .roi-text h2 {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 2rem;
            letter-spacing: -1px;
        }

        .roi-text p {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .roi-calculator {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 25px;
            padding: 3rem;
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-xl);
        }

        .calculator-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .calculator-header h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

        .input-group {
            margin-bottom: 2rem;
        }

        .input-group label {
            display: block;
            margin-bottom: 0.75rem;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .input-group input {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .input-group input:focus {
            outline: none;
            border-color: var(--primary-blue);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(0, 151, 178, 0.2);
        }

        .results-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 2.5rem;
        }

        .result-item {
            background: rgba(255, 255, 255, 0.1);
            padding: 1.5rem;
            border-radius: 15px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .result-item:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }

        .result-value {
            font-size: 1.8rem;
            font-weight: 900;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
            line-height: 1;
        }

        .result-label {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-top: 0.5rem;
            font-weight: 500;
        }

        /* Case Studies */
        .case-studies-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .case-study-card {
            background: white;
            border-radius: 25px;
            padding: 2.5rem;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(0, 151, 178, 0.1);
        }

        .case-study-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        .case-study-header {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .case-study-logo {
            width: 60px;
            height: 60px;
            background: var(--gradient-main);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 900;
            font-size: 1.5rem;
        }

        .case-study-info h4 {
            font-weight: 800;
            color: var(--primary-gray);
            font-size: 1.2rem;
        }

        .case-study-info p {
            color: #6B7280;
            font-size: 0.9rem;
        }

        .case-study-quote {
            font-style: italic;
            color: #6B7280;
            line-height: 1.6;
            margin-bottom: 2rem;
            font-size: 1rem;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .metric {
            background: var(--gradient-surface);
            padding: 1.5rem 1rem;
            border-radius: 18px;
            text-align: center;
            border: var(--border-light);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .metric::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 60px;
            height: 60px;
            background: var(--gradient-subtle);
            border-radius: 50%;
        }

        .metric:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .metric-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--success-green);
            display: block;
            line-height: 1;
        }

        .metric-label {
            font-size: 0.8rem;
            color: #6B7280;
            margin-top: 0.5rem;
            font-weight: 500;
        }

        /* CTA Section */
        .cta-section {
            padding: 8rem 2rem;
            background: var(--gradient-main);
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
            pointer-events: none;
        }

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

        .cta-content h2 {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 1.5rem;
            letter-spacing: -1px;
        }

        .cta-content p {
            font-size: 1.3rem;
            opacity: 0.95;
            margin-bottom: 3rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(26, 31, 35, 0.9);
            z-index: 2000;
            backdrop-filter: blur(10px);
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background: white;
            border-radius: 25px;
            padding: 3rem;
            max-width: 550px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: fadeInUp 0.4s ease;
            box-shadow: var(--shadow-xl);
        }

        .modal-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #6B7280;
            padding: 0.5rem;
            border-radius: 50%;
            transition: all 0.3s ease;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            background: var(--tech-bg);
            color: var(--primary-gray);
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            margin-bottom: 0.75rem;
            font-weight: 600;
            color: var(--primary-gray);
            font-size: 0.95rem;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 1rem 1.5rem;
            border: 2px solid #E5E7EB;
            border-radius: 15px;
            font-size: 1rem;
            transition: all 0.3s ease;
            font-family: inherit;
            background: white;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(0, 151, 178, 0.1);
        }

        .form-group input.error,
        .form-group textarea.error,
        .form-group select.error {
            border-color: #ef4444;
            box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .error-message {
            color: #ef4444;
            font-size: 0.875rem;
            margin-top: 0.5rem;
            display: none;
        }

        .help-text {
            color: #6B7280;
            font-size: 0.875rem;
            margin-top: 0.5rem;
        }

        .submit-btn {
            background: var(--gradient-main);
            color: white;
            padding: 1.2rem 2rem;
            border: none;
            border-radius: 15px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        .success-message {
            background: var(--success-green);
            color: white;
            padding: 1.5rem;
            border-radius: 15px;
            margin-bottom: 2rem;
            text-align: center;
            font-weight: 600;
            display: none;
        }

        .success-message.show {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        /* Footer */
        .footer {
            background: var(--tech-dark);
            color: white;
            padding: 4rem 2rem 2rem;
            position: relative;
        }

        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(0, 151, 178, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }

        .footer-section h3 {
            font-weight: 800;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }

        .footer-section p,
        .footer-section a {
            color: #9CA3AF;
            text-decoration: none;
            line-height: 1.8;
            transition: all 0.3s ease;
        }

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

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-link {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.1rem;
        }

        .social-link:hover {
            background: var(--primary-blue);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 3rem;
            padding-top: 2rem;
            text-align: center;
            color: #9CA3AF;
        }

        /* Mobile Responsiveness */
        @media (max-width: 1024px) {
            .hero-content,
            .solution-content,
            .roi-content {
                grid-template-columns: 1fr;
                gap: 4rem;
                text-align: center;
            }

            .hero-text h1 {
                font-size: 3rem;
            }

            .section-header h2 {
                font-size: 2.5rem;
            }

            .problems-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .problem-card:nth-child(2),
            .problem-card:nth-child(3) {
                transform: none;
            }

            .problem-card:hover,
            .problem-card:nth-child(2):hover,
            .problem-card:nth-child(3):hover {
                transform: translateY(-8px) scale(1.02);
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: rgba(248, 252, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                box-shadow: var(--shadow-lg);
            }

            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .hero-text h1 {
                font-size: 2.5rem;
            }

            .hero-stats {
                grid-template-columns: 1fr;
            }

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

            .results-grid,
            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding: 6rem 1rem;
            }

            .dashboard-mockup {
                transform: none;
                margin-top: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-content {
                padding: 1rem;
            }

            .hero-text h1 {
                font-size: 2.2rem;
                letter-spacing: -1.5px;
            }

            .section-header h2 {
                font-size: 2.2rem;
                letter-spacing: -1px;
            }

            .modal-content {
                padding: 2rem;
                margin: 1rem;
                border-radius: 20px;
            }

            .problem-card,
            .service-card,
            .case-study-card {
                padding: 2rem;
                border-radius: 20px;
            }

            .dashboard-mockup {
                padding: 1.5rem;
                border-radius: 20px;
            }

            .demo-container {
                padding: 1.5rem;
                border-radius: 20px;
            }

            .roi-calculator {
                padding: 2.5rem;
                border-radius: 20px;
            }
        }

        /* Print styles */
        @media print {
            .header,
            .hero-visual,
            .cta-section,
            .footer {
                display: none;
            }

            body {
                color: black;
                background: white;
            }

            .section {
                padding: 2rem 0;
                break-inside: avoid;
            }
        }

        /* Reduced motion */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }

            .hero-visual {
                animation: none;
            }

            .dashboard-mockup {
                transform: none;
            }
        }