:root {
            --color-bg: #ffffff;
            --color-bg-secondary: #f8fafc;
            --color-bg-card: #ffffff;
            --color-primary: #6366f1;
            --color-primary-light: #4f46e5;
            --color-accent: #06b6d4;
            --color-accent-warm: #ec4899;
            --color-text: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --color-border: rgba(99, 102, 241, 0.15);
            --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
            --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
            --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4rem;
            --space-3xl: 6rem;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
        }


        * {
            margin: 0;
            padding: 0;
            
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Geist', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Background Effects */
        .bg-grid {
            position: fixed;
            inset: 0;
            background-image: 
                linear-gradient(rgba(99, 102, 241, 0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
            z-index: 0;
        }

        .bg-glow {
            position: fixed;
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: var(--gradient-glow);
            filter: blur(80px);
            pointer-events: none;
            z-index: 0;
        }

        .bg-glow-1 { top: -200px; left: -200px; }
        .bg-glow-2 { bottom: -300px; right: -200px; background: radial-gradient(ellipse at center, rgba(34, 211, 238, 0.1) 0%, transparent 70%); }

  

        nav.scrolled {
            padding: var(--space-sm) var(--space-xl);
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }



        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--gradient-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            -webkit-text-fill-color: white;
        }

        .nav-links {
            display: flex;
            gap: var(--space-xl);
            list-style: none;
        }

        .nav-links a {
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-text);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: width 0.3s var(--ease-out-expo);
        }

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

   


        /* Hero Section */
        .hero {
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: var(--space-3xl) var(--space-xl);
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            max-width: 1000px;
            text-align: center;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            padding: var(--space-xs) var(--space-md);
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            font-size: 0.875rem;
            color: var(--color-primary-light);
            margin-bottom: var(--space-lg);
            animation: fadeInUp 0.6s var(--ease-out-expo) forwards;
            opacity: 0;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 700;
            line-height: 1.6;
            margin-bottom: var(--space-lg);
            animation: fadeInUp 0.6s var(--ease-out-expo) 0.1s forwards;
            opacity: 0;
        }

        .hero h1 .gradient-text {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.35rem);
            color: var(--color-text-secondary);
            max-width: 700px;
            margin: 0 auto var(--space-xl);
            animation: fadeInUp 0.6s var(--ease-out-expo) 0.2s forwards;
            opacity: 0;
        }

        .hero-cta {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.6s var(--ease-out-expo) 0.3s forwards;
            opacity: 0;
        }

  

        

        

        .btn-secondary {
            background: #ffffff;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .btn-secondary:hover {
            background: rgba(99, 102, 241, 0.05);
            border-color: var(--color-primary);
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.1);
        }

        /* Hero Visual */
        .hero-visual {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            width: 400px;
            height: 400px;
            opacity: 0.6;
            animation: float 6s ease-in-out infinite;
        }

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

        .ai-brain {
            width: 100%;
            height: 100%;
        }

        /* Section Styles */
        section {
            padding: var(--space-3xl) var(--space-xl);
            position: relative;
            z-index: 1;
        }



        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto var(--space-3xl);
        }

        .section-tag {
            display: inline-block;
            padding: var(--space-xs) var(--space-md);
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            font-size: 0.875rem;
            color: var(--color-primary-light);
            margin-bottom: var(--space-md);
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            margin-bottom: var(--space-md);
        }

        .section-desc {
            font-size: 1.125rem;
            color: var(--color-text-secondary);
        }

        /* What is GEO Section */
        .what-is-geo {
            background: var(--color-bg-secondary);
        }

        .geo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-3xl);
            align-items: center;
        }

        .geo-visual {
            position: relative;
        }

        .geo-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        .geo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: var(--gradient-primary);
        }

        .search-simulation {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .search-bar {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            padding: var(--space-md);
            background: rgba(248, 250, 252, 0.8);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(99, 102, 241, 0.1);
        }

        .search-icon {
            width: 20px;
            height: 20px;
            color: var(--color-text-muted);
        }

        .search-text {
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .search-cursor {
            width: 2px;
            height: 18px;
            background: var(--color-accent);
            animation: blink 1s infinite;
        }

        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0; }
        }

        .ai-response {
            padding: var(--space-lg);
            background: rgba(99, 102, 241, 0.05);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--color-primary);
        }

        .ai-header {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            margin-bottom: var(--space-sm);
            font-size: 0.875rem;
            color: var(--color-primary-light);
        }

        .ai-content {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .geo-content h3 {
            font-size: 1.75rem;
            margin-bottom: var(--space-md);
        }

        .geo-content p {
            color: var(--color-text-secondary);
            margin-bottom: var(--space-lg);
            font-size: 1.05rem;
        }

        .geo-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .geo-features li {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            color: var(--color-text-secondary);
        }

        .geo-features li::before {
            content: '✓';
            width: 24px;
            height: 24px;
            background: rgba(34, 211, 238, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .service-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            transition: all 0.4s var(--ease-out-expo);
            position: relative;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform 0.4s var(--ease-out-expo);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(99, 102, 241, 0.4);
            box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            background: rgba(99, 102, 241, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--space-md);
            font-size: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .service-card p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Why GEO Section */
        .why-geo {
            background: var(--color-bg-secondary);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            margin-bottom: var(--space-3xl);
        }

        .stat-card {
            text-align: center;
            padding: var(--space-xl);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            transition: transform 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }

        .stat-card:hover {
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: var(--space-xs);
        }

        .stat-label {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .benefit-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-lg);
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }

        .benefit-icon {
            width: 48px;
            height: 48px;
            background: rgba(34, 211, 238, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .benefit-content h4 {
            margin-bottom: var(--space-xs);
            font-size: 1.1rem;
        }

        .benefit-content p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }

        /* Process Section */
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            max-width: 1300px;
            margin: 0 auto;
            align-items: center;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
            opacity: 0.3;
        }

        .process-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            width: 200px;
            position: relative;
            z-index: 1;
        }

        .step-number {
            width: 80px;
            height: 80px;
            background: var(--color-bg-card);
            border: 2px solid var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary-light);
            margin-bottom: var(--space-md);
            position: relative;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
        }

        .step-number::after {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid transparent;
            border-top-color: var(--color-accent);
            border-right-color: var(--color-accent);
            animation: rotate 3s linear infinite;
        }

        @keyframes rotate {
            to { transform: rotate(360deg); }
        }

        .process-step h4 {
            font-size: 1.1rem;
            margin-bottom: var(--space-xs);
        }

        .process-step p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }

        /* Cases Section */
        .cases {
            background: var(--color-bg-secondary);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-xl);
        }

        .case-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: transform 0.4s var(--ease-out-expo);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        .case-card:hover {
            transform: translateY(-8px);
        }

        .case-header {
            padding: var(--space-lg) var(--space-xl);
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
            border-bottom: 1px solid var(--color-border);
        }

        .case-company {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: var(--space-xs);
        }

        .case-industry {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
        }

        .case-body {
            padding: var(--space-xl);
        }

        .case-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
        }

        .case-metric {
            text-align: center;
        }

        .case-metric-value {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-accent);
        }

        .case-metric-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .case-desc {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--gradient-glow);
            opacity: 0.5;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: var(--space-md);
        }

        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 1.125rem;
            margin-bottom: var(--space-xl);
        }

        .cta-buttons {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-large {
            padding: var(--space-md) var(--space-2xl);
            font-size: 1.1rem;
        }

        
        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-visual {
                display: none;
            }

            .geo-grid {
                grid-template-columns: 1fr;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                flex-direction: column;
                gap: var(--space-xl);
            }

            .process-steps::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
            --color-bg: #ffffff;
            --color-bg-secondary: #f8fafc;
            --color-bg-card: #ffffff;
            --color-primary: #6366f1;
            --color-primary-light: #4f46e5;
            --color-accent: #06b6d4;
            --color-accent-warm: #ec4899;
            --color-text: #0f172a;
            --color-text-secondary: #475569;
            --color-text-muted: #94a3b8;
            --color-border: rgba(99, 102, 241, 0.15);
            --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
            --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
            --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2rem;
            --space-xl: 1rem;
            --space-2xl: 4rem;
            --space-3xl: 2rem;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
        }

        
            .nav-links {
                display: none;
            }

            .services-grid,
            .stats-grid,
            .benefits-grid,
            .cases-grid {
                grid-template-columns: 1fr;
            }

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

           
        }