:root {
            --primary: #6c5ce7;
            --primary-light: #a29bfe;
            --primary-dark: #5649c0;
            --secondary: #00cec9;
            --secondary-dark: #00a8a4;
            --dark: #1e272e;
            --darker: #0f1519;
            --darkest: #080c0f;
            --light: #f5f6fa;
            --lighter: #ffffff;
            --gray: #636e72;
            --gray-light: #dfe6e9;
            --success: #00b894;
            --warning: #fdcb6e;
            --danger: #d63031;
            
            --header-height: 80px;
            --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            --shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
            --border-radius: 12px;
            --border-radius-sm: 6px;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--darker);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }
        
        ::selection {
            background-color: var(--primary);
            color: white;
        }
        
        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--dark);
        }
        
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }
        
        /* Container */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }
        
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            gap: 8px;
            font-size: 16px;
            line-height: 1;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            z-index: -1;
            transition: var(--transition);
            opacity: 0;
        }
        
        .btn-primary {
            background-color: var(--primary);
            color: white;
            box-shadow: var(--shadow);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        
        .btn-primary:hover::after {
            opacity: 1;
        }
        
        .btn-secondary {
            background-color: transparent;
            color: var(--light);
            border: 2px solid var(--primary);
        }
        
        .btn-secondary:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        
        .btn-ghost {
            background-color: transparent;
            color: var(--light);
            border: 2px solid rgba(255, 255, 255, 0.1);
        }
        
        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        
        /* Header with Video Background */
        .video-header {
            position: relative;
            height: 100vh;
            min-height: 600px;
            max-height: 1200px;
            overflow: hidden;
            display: flex;
            align-items: center;
            color: white;
        }
        
        .video-header video {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            z-index: -1;
            opacity: 0.4;
            filter: brightness(0.6);
        }
        
        .video-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, rgba(15, 21, 25, 0.9), rgba(15, 21, 25, 0.6));
            z-index: -1;
        }
        
        /* Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            transition: var(--transition);
            padding: 20px 0;
            background: transparent;
            /* Ensure background is transparent by default */
        }
        
        /* Show background and blur on scroll or when mobile menu is open */
        header.scrolled,
        body.mobile-menu-open header {
            background-color: rgba(30, 39, 46, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: 10px 0;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        /* Always show header background on mobile for better UX */
        @media (max-width: 768px) {
            header {
                background-color: rgba(30, 39, 46, 0.95);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
                padding: 10px 0;
            }
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: bold; /* Added this line */
}
        
        .logo-img {
            height: 40px;
            width: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }
        
        .logo-text {
            font-size: 22px;
            font-weight: 700;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: var(--transition);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        
        .nav-links a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            font-size: 16px;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            transition: var(--transition);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .nav-links a:hover {
            color: var(--primary-light);
        }
        
        .auth-buttons {
            display: flex;
            gap: 15px;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
            z-index: 1001;
        }
        
        /* Add mobile menu overlay styles */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15,21,25,0.98);
    z-index: 2000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    padding: 0 24px;
}
.mobile-nav-overlay.active {
    display: flex;
}
.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: center;
    width: 100%;
}
.mobile-nav-links a {
    color: var(--lighter);
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    padding: 12px 0;
    transition: color 0.2s;
}
.mobile-nav-links a:hover {
    color: var(--primary-light);
}
.mobile-nav-auth {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
    width: 100%;
    align-items: center;
}
.mobile-nav-auth .btn {
    width: 220px;
    max-width: 90vw;
    font-size: 1.1rem;
}

/* Optional: Add a close (X) button in overlay */
.mobile-nav-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--lighter);
    font-size: 2rem;
    cursor: pointer;
    z-index: 2100;
    transition: color 0.2s;
}
.mobile-nav-close:hover {
    color: var(--primary);
}

/* Hide desktop nav-links/auth-buttons on mobile, show in overlay */
@media (max-width: 768px) {
    .nav-links, .auth-buttons {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    body.mobile-menu-open {
        overflow: hidden;
    }
}
        
        /* Hero Content */
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            padding-top: var(--header-height);
            position: relative;
            z-index: 2;
        }
        
        .hero-content h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: fadeInUp 1s ease-out;
        }
        
        .hero-content p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--gray-light);
            margin-bottom: 40px;
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.3s forwards;
        }
        
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeInUp 1s ease-out 0.6s forwards;
        }
        
        .scroll-down {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--light);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            font-size: 14px;
            opacity: 0;
            animation: fadeIn 1s ease-out 1s forwarads;
        }
        
        .scroll-down i {
            font-size: 24px;
            margin-top: 10px;
            animation: bounce 2s infinite;
        }
        
        /* Features Section */
        .section {
            padding: 100px 0;
            position: relative;
            scroll-margin-top: 90px;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            margin-bottom: 15px;
            color: var(--lighter);
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
            font-size: 1.1rem;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: rgba(30, 39, 46, 0.7);
            border-radius: var(--border-radius);
            padding: 40px 30px;
            transition: var(--transition);
            border: 1px solid rgba(99, 110, 114, 0.1);
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            opacity: 0;
            transform: translateY(20px);
        }
        
        .feature-card.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .feature-card:nth-child(1) { transition-delay: 0.1s; }
        .feature-card:nth-child(2) { transition-delay: 0.2s; }
        .feature-card:nth-child(3) { transition-delay: 0.3s; }
        .feature-card:nth-child(4) { transition-delay: 0.4s; }
        
        .feature-card:hover {
            transform: translateY(-10px) !important;
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            background-color: rgba(30, 39, 46, 0.9);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--lighter);
        }
        
        .feature-card p {
            color: var(--gray-light);
        }
        
        /* Integration Steps */
        .steps-container {
            position: relative;
            margin-top: 80px;
        }
        
        .steps-line {
            position: absolute;
            top: 50px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            z-index: 1;
            opacity: 0.2;
        }
        
        .steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }
        
        .step {
            flex: 1;
            min-width: 250px;
            text-align: center;
            padding: 0 20px;
            position: relative;
            margin-bottom: 60px;
            opacity: 0;
            transform: translateY(20px);
            transition: var(--transition);
        }
        
        .step.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .step:nth-child(1) { transition-delay: 0.1s; }
        .step:nth-child(2) { transition-delay: 0.3s; }
        .step:nth-child(3) { transition-delay: 0.5s; }
        
        .step-number {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: bold;
            margin: 0 auto 20px;
            position: relative;
            z-index: 3;
            box-shadow: 0 10px 30px rgba(108, 92, 231, 0.3);
        }
        
        .step h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--lighter);
        }
        
        .step p {
            color: var(--gray-light);
        }
        
        /* Demo Section */
        .demo-section {
            background: linear-gradient(135deg, var(--dark), var(--darker));
            overflow: hidden;
        }
        
        .demo-container {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        
        .demo-content {
            flex: 1;
        }
        
        .demo-video {
            flex: 1;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            transform: perspective(1000px) rotateY(-10deg);
            transition: var(--transition);
        }
        
        .demo-video:hover {
            transform: perspective(1000px) rotateY(0deg);
        }
        
        .demo-video video {
            width: 100%;
            display: block;
        }
        
        /* CTA Section */
        .cta-section {
            text-align: center;
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3QgZmlsbD0idXJsKCNwYXR0ZXJuKSIgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIvPjwvc3ZnPg==');
            opacity: 0.3;
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .cta-content h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            margin-bottom: 20px;
        }
        
        .cta-content p {
            margin-bottom: 40px;
            color: rgba(255, 255, 255, 0.8);
        }
        
        /* Footer */
        footer {
            background-color: var(--darkest);
            padding: 80px 0 30px;
            position: relative;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }
        
        .footer-column h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--lighter);
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: var(--gray-light);
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }
        
        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(5px);
        }
        
        .footer-about p {
            color: var(--gray-light);
            margin-bottom: 20px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.05);
            color: var(--gray-light);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        
        .social-links a:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInUp {
            from { 
                opacity: 0;
                transform: translateY(20px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-15px); }
            60% { transform: translateY(-7px); }
        }
        
        /* Responsive Styles */
        @media (max-width: 1024px) {
            .container {
                padding: 0 30px;
            }
            
            .demo-container {
                flex-direction: column;
            }
            
            .demo-content {
                order: 1;
                text-align: center;
            }
            
            .demo-video {
                order: 2;
                max-width: 600px;
                width: 100%;
                transform: none;
            }
            
            .demo-video:hover {
                transform: none;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links, .auth-buttons {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .steps-line {
                display: none;
            }
            
            .steps {
                flex-direction: column;
                align-items: center;
            }
            
            .step {
                max-width: 350px;
            }
            
            .footer-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 0 20px;
            }
            
            .hero-content h1 {
                font-size: 2.2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 280px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }