:root {
            --aisitex-primary: #185EA5;
            --aisitex-secondary: #3892EA;
            --aisitex-bg: #F8FAFC;
            --aisitex-text: #1E293B;
            --aisitex-white: #FFFFFF;
            --aisitex-border: #E2E8F0;
            --aisitex-muted: #64748B;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* Header & Navigation */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 22px;
            color: var(--aisitex-primary);
        }

        .aisitex-brand img {
            height: 32px;
            width: auto;
        }

        .aisitex-nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .aisitex-nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--aisitex-muted);
            transition: color 0.2s;
            padding: 8px 0;
            position: relative;
        }

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

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--aisitex-primary);
            border-radius: 2px;
        }

        .aisitex-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .aisitex-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--aisitex-text);
            margin: 5px 0;
            transition: 0.3s;
        }

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.4);
            z-index: 998;
        }

        /* Hero Section */
        .aisitex-hero {
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 24px 60px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .aisitex-hero-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .aisitex-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(24, 94, 165, 0.1);
            color: var(--aisitex-primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            width: fit-content;
        }

        .aisitex-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--aisitex-text);
        }

        .aisitex-hero p {
            font-size: 18px;
            color: var(--aisitex-muted);
            line-height: 1.6;
        }

        .aisitex-cta-group {
            display: flex;
            gap: 16px;
            margin-top: 8px;
        }

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(24, 94, 165, 0.3);
            transition: background-color 0.2s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .aisitex-btn-primary:hover {
            background-color: #124c86;
            transform: translateY(-2px);
        }

        .aisitex-btn-secondary {
            background-color: var(--aisitex-white);
            color: var(--aisitex-primary);
            border: 1px solid var(--aisitex-border);
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .aisitex-btn-secondary:hover {
            border-color: var(--aisitex-primary);
            background-color: rgba(24, 94, 165, 0.05);
        }

        .aisitex-hero-visual {
            position: relative;
        }

        .aisitex-hero-visual img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        /* Section Common Styles */
        .aisitex-section {
            padding: 80px 0;
        }

        .aisitex-section-alt {
            background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
            border-top: 1px solid var(--aisitex-border);
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .aisitex-section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .aisitex-section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--aisitex-text);
        }

        .aisitex-section-header p {
            font-size: 16px;
            color: var(--aisitex-muted);
        }

        /* Feature Matrix (Components) */
        .aisitex-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .aisitex-card {
            background: var(--aisitex-white);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 32px 24px;
            transition: transform 0.2s, box-shadow 0.2s;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .aisitex-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
            border-color: var(--aisitex-secondary);
        }

        .aisitex-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--aisitex-text);
        }

        .aisitex-card p {
            font-size: 14px;
            color: var(--aisitex-muted);
            margin-bottom: 20px;
            line-height: 1.5;
        }

        .aisitex-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--aisitex-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .aisitex-card-link::after {
            content: '→';
            transition: transform 0.2s;
        }

        .aisitex-card:hover .aisitex-card-link::after {
            transform: translateX(4px);
        }

        /* Value Proposition */
        .aisitex-value-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .aisitex-value-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .aisitex-value-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .aisitex-value-icon {
            width: 48px;
            height: 48px;
            background: rgba(24, 94, 165, 0.1);
            color: var(--aisitex-primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .aisitex-value-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--aisitex-text);
        }

        .aisitex-value-content p {
            font-size: 14px;
            color: var(--aisitex-muted);
            line-height: 1.6;
        }

        .aisitex-value-image img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 16px 32px rgba(0,0,0,0.06);
        }

        /* Footer */
        .aisitex-footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 60px 0 30px;
        }

        .aisitex-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .aisitex-footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .aisitex-footer-nav a {
            color: #94A3B8;
            font-size: 14px;
            transition: color 0.2s;
        }

        .aisitex-footer-nav a:hover {
            color: var(--aisitex-white);
        }

        .aisitex-footer-bottom {
            text-align: center;
            font-size: 13px;
            border-top: 1px solid #1E293B;
            padding-top: 30px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .aisitex-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .aisitex-hero {
                grid-template-columns: 1fr;
                text-align: center;
                padding-top: 40px;
            }
            .aisitex-hero-content {
                align-items: center;
            }
            .aisitex-badge {
                margin: 0 auto;
            }
            .aisitex-value-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .aisitex-nav-menu {
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--aisitex-white);
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid var(--aisitex-border);
                z-index: 999;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }
            .aisitex-nav-menu.active {
                display: flex;
            }
            .aisitex-menu-toggle {
                display: block;
            }
            .aisitex-nav-overlay.active {
                display: block;
            }
            .aisitex-hero h1 {
                font-size: 32px;
            }
            .aisitex-grid-4 {
                grid-template-columns: 1fr;
            }
            .aisitex-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .aisitex-btn-primary, .aisitex-btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

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

.aisitex-header a{
            text-decoration: none;
            color: inherit;
        }

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E2E8F0;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 22px;
            color: #185EA5;
        }

.aisitex-header .aisitex-brand img{
            height: 32px;
            width: auto;
        }

.aisitex-header .aisitex-nav-menu{
            display: flex;
            align-items: center;
            gap: 20px;
        }

.aisitex-header .aisitex-nav-link{
            font-size: 14px;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s;
            padding: 8px 0;
            position: relative;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #185EA5;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #185EA5;
            border-radius: 2px;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background: #1E293B;
            margin: 5px 0;
            transition: 0.3s;
        }

.aisitex-header .aisitex-nav-overlay{
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.4);
            z-index: 998;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid #E2E8F0;
                z-index: 999;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }

.aisitex-header .aisitex-nav-menu.active{
                display: flex;
            }

.aisitex-header .aisitex-menu-toggle{
                display: block;
            }

.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: #1E293B;
}

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

.aisitex-footer a{
            text-decoration: none;
            color: inherit;
        }

.aisitex-footer{
            background-color: #0F172A;
            color: #94A3B8;
            padding: 60px 0 30px;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

.aisitex-footer .aisitex-footer-nav{
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

.aisitex-footer .aisitex-footer-nav a{
            color: #94A3B8;
            font-size: 14px;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-nav a:hover{
            color: #FFFFFF;
        }

.aisitex-footer .aisitex-footer-bottom{
            text-align: center;
            font-size: 13px;
            border-top: 1px solid #1E293B;
            padding-top: 30px;
        }