:root {
            --aisitex-bg: #0A0E17;
            --aisitex-card-bg: rgba(26, 38, 52, 0.6);
            --aisitex-card-border: rgba(0, 242, 254, 0.2);
            --aisitex-primary: #00F2FE;
            --aisitex-secondary: #1A2634;
            --aisitex-text: #E2E8F0;
            --aisitex-text-muted: #94A3B8;
            --aisitex-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                linear-gradient(to right, rgba(0, 242, 254, 0.03) 1px, transparent 1px),
                linear-gradient(to bottom, rgba(0, 242, 254, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        /* Header & Navigation */
        .aisitex-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 242, 254, 0.1);
        }

        .aisitex-nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--aisitex-text);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.025em;
        }

        .aisitex-logo-img {
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

        .aisitex-nav-menu {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .aisitex-nav-link {
            text-decoration: none;
            color: var(--aisitex-text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--aisitex-transition);
            position: relative;
        }

        .aisitex-nav-link:hover,
        .aisitex-nav-link.active {
            color: var(--aisitex-primary);
        }

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--aisitex-primary);
            box-shadow: 0 0 8px var(--aisitex-primary);
        }

        .aisitex-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }

        .aisitex-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--aisitex-text);
            margin: 5px 0;
            transition: var(--aisitex-transition);
        }

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
            z-index: 998;
        }

        /* Hero Stage */
        .aisitex-hero {
            padding: 10rem 2rem 5rem;
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
            position: relative;
        }

        .aisitex-hero-title {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #FFFFFF 30%, var(--aisitex-primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }

        .aisitex-hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--aisitex-text-muted);
            max-width: 800px;
            margin: 0 auto 2.5rem;
            line-height: 1.6;
        }

        .aisitex-hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 4rem;
            flex-wrap: wrap;
        }

        .aisitex-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: var(--aisitex-transition);
            cursor: pointer;
        }

        .aisitex-btn-primary {
            background: var(--aisitex-primary);
            color: #0A0E17;
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
            border: none;
        }

        .aisitex-btn-primary:hover {
            background: #33f5ff;
            box-shadow: 0 0 30px rgba(0, 242, 254, 0.6);
            transform: translateY(-2px);
        }

        .aisitex-btn-secondary {
            background: rgba(26, 38, 52, 0.8);
            color: var(--aisitex-text);
            border: 1px solid var(--aisitex-card-border);
        }

        .aisitex-btn-secondary:hover {
            border-color: var(--aisitex-primary);
            color: var(--aisitex-primary);
            transform: translateY(-2px);
        }

        /* Stage Visual Interface */
        .aisitex-stage-viewport {
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-card-border);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .aisitex-terminal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .aisitex-terminal-dots {
            display: flex;
            gap: 8px;
        }

        .aisitex-terminal-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255,255,255,0.2);
        }

        .aisitex-terminal-dots span:nth-child(1) { background: #FF5F56; }
        .aisitex-terminal-dots span:nth-child(2) { background: #FFBD2E; }
        .aisitex-terminal-dots span:nth-child(3) { background: #27C93F; }

        .aisitex-terminal-status {
            font-size: 0.85rem;
            color: var(--aisitex-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .aisitex-pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--aisitex-primary);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--aisitex-primary);
            animation: aisitex-pulse 2s infinite;
        }

        @keyframes aisitex-pulse {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 15px var(--aisitex-primary); }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

        /* Content Sections */
        .aisitex-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 5rem 2rem;
        }

        .aisitex-section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .aisitex-section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 1rem;
            color: #FFFFFF;
            letter-spacing: -0.02em;
        }

        .aisitex-section-desc {
            color: var(--aisitex-text-muted);
            max-width: 700px;
            margin: 0 auto;
            font-size: 1.05rem;
        }

        /* Atlas Overview Grid */
        .aisitex-atlas-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .aisitex-atlas-card {
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-card-border);
            border-radius: 10px;
            padding: 2.5rem;
            transition: var(--aisitex-transition);
            position: relative;
            overflow: hidden;
        }

        .aisitex-atlas-card:hover {
            border-color: var(--aisitex-primary);
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0, 242, 254, 0.1);
        }

        .aisitex-atlas-metric {
            font-size: 2rem;
            font-weight: 800;
            color: var(--aisitex-primary);
            margin-bottom: 1rem;
            font-family: monospace;
        }

        .aisitex-atlas-module {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: #FFFFFF;
        }

        .aisitex-atlas-desc {
            color: var(--aisitex-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Version Contrast Section */
        .aisitex-contrast-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .aisitex-contrast-card {
            background: rgba(26, 38, 52, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 3rem 2.5rem;
            position: relative;
        }

        .aisitex-contrast-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--aisitex-primary), transparent);
            opacity: 0.5;
        }

        .aisitex-contrast-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #FFFFFF;
        }

        .aisitex-contrast-speed {
            display: inline-block;
            padding: 0.35rem 0.85rem;
            background: rgba(0, 242, 254, 0.1);
            color: var(--aisitex-primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .aisitex-contrast-suit {
            color: var(--aisitex-text-muted);
            font-size: 1rem;
            line-height: 1.6;
        }

        /* Conversion Footer Banner */
        .aisitex-cta-banner {
            max-width: 1200px;
            margin: 4rem auto 6rem;
            padding: 0 2rem;
        }

        .aisitex-cta-box {
            background: linear-gradient(135deg, rgba(26, 38, 52, 0.9) 0%, rgba(10, 14, 23, 0.95) 100%);
            border: 1px solid var(--aisitex-primary);
            border-radius: 16px;
            padding: 4rem 2rem;
            text-align: center;
            box-shadow: 0 0 50px rgba(0, 242, 254, 0.15);
            position: relative;
            overflow: hidden;
        }

        .aisitex-cta-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 1rem;
            color: #FFFFFF;
        }

        .aisitex-cta-desc {
            color: var(--aisitex-text-muted);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            font-size: 1.05rem;
        }

        .aisitex-cta-actions {
            display: flex;
            gap: 1.25rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .aisitex-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--aisitex-text-muted);
            font-size: 0.9rem;
        }

        .aisitex-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            justify-content: space-between;
        }

        @media(min-width: 768px) {
            .aisitex-footer-content {
                flex-direction: row;
            }
            .aisitex-menu-toggle {
                display: none;
            }
        }

        @media(max-width: 767px) {
            .aisitex-menu-toggle {
                display: block;
            }
            .aisitex-nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #0A0E17;
                flex-direction: column;
                justify-content: center;
                align-items: flex-start;
                padding: 2rem;
                transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: -10px 0 30px rgba(0,0,0,0.8);
                border-left: 1px solid rgba(0, 242, 254, 0.2);
                z-index: 1000;
            }
            .aisitex-nav-menu.active {
                right: 0;
            }
            .aisitex-nav-overlay.active {
                display: block;
            }
            .aisitex-hero {
                padding-top: 8rem;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #E2E8F0;
}

.aisitex-header, .aisitex-header *{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-header{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 242, 254, 0.1);
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2rem;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: #E2E8F0;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.025em;
        }

.aisitex-header .aisitex-logo-img{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.aisitex-header .aisitex-nav-menu{
            display: flex;
            gap: 2rem;
            align-items: center;
        }

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #00F2FE;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #00F2FE;
            box-shadow: 0 0 8px #00F2FE;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background: #E2E8F0;
            margin: 5px 0;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

@media(min-width: 768px){.aisitex-header .aisitex-menu-toggle{
                display: none;
            }}

@media(max-width: 767px){.aisitex-header .aisitex-menu-toggle{
                display: block;
            }

.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: #0A0E17;
                flex-direction: column;
                justify-content: center;
                align-items: flex-start;
                padding: 2rem;
                transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: -10px 0 30px rgba(0,0,0,0.8);
                border-left: 1px solid rgba(0, 242, 254, 0.2);
                z-index: 1000;
            }

.aisitex-header .aisitex-nav-menu.active{
                right: 0;
            }

.aisitex-header .aisitex-nav-overlay.active{
                display: block;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #E2E8F0;
}

.aisitex-footer, .aisitex-footer *{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-footer{
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 3rem 2rem;
            text-align: center;
            color: #94A3B8;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            justify-content: space-between;
        }

@media(min-width: 768px){.aisitex-footer .aisitex-footer-content{
                flex-direction: row;
            }}