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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            overflow-x: hidden;
            background: #0a0a0a;
            color: #fff;
        }

        /* Navigation */
       /* ===== Modern Navbar ===== */
html{
    scroll-behavior: smooth;
}
.modern-nav {
    width: 100%;
    position: fixed;
    top: 0;
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    z-index: 1000;
    background: linear-gradient(to right,
        rgba(221, 206, 249, 0.85) 0%,   
        rgba(230, 215, 255, 0.35) 35%, 
        rgba(255, 255, 255, 0.15) 100% 
    );
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}


.nav-container {
    width: 90%;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-img {
    height: 65px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 17px;
    font-weight: 500;
    transition: 0.3s ease;
}

.nav-links li a:hover {
    color: #48dbfb;       /* Neon blue highlight */
}

/* Mobile */
.menu-toggle {
    display: none;
    font-size: 28px;
    color: #fff;
}

@media (max-width: 850px) {
    .nav-links {
        position: absolute;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background: #1285d8;
        width: 250px;
        padding: 25px 0;
        text-align: center;
        transition: 0.4s ease;
        box-shadow: -2px 0 10px rgba(0,0,0,0.2);
    }

    .nav-links.active {
        right: 0;
    }

    .menu-toggle {
        display: block;
        cursor: pointer;
    }
}

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: moveGrid 20s linear infinite;
        }

        @keyframes moveGrid {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }

        .hero-content {
            text-align: center;
            z-index: 10;
            max-width: 900px;
            padding: 0 20px;
        }

        .hero h1 {
            font-size: 72px;
            font-weight: 900;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease;
            text-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 24px;
            margin-bottom: 40px;
            opacity: 0.9;
            animation: fadeInUp 1s ease 0.2s backwards;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            animation: fadeInUp 1s ease 0.4s backwards;
        }

        .btn {
            padding: 18px 45px;
            font-size: 18px;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: #fff;
            color: #667eea;
            box-shadow: 0 10px 30px rgba(255,255,255,0.3);
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(255,255,255,0.4);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            border: 2px solid #fff;
        }

        .btn-secondary:hover {
            background: #fff;
            color: #667eea;
            transform: translateY(-5px);
        }

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

        /* Robot Animation */
        .robot-container {
            position: absolute;
            bottom: 50px;
            right: 100px;
            animation: float 3s ease-in-out infinite;
        }

        .robot {
            width: 150px;
            height: 150px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 30px;
            position: relative;
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
        }

        .robot-eye {
            width: 25px;
            height: 25px;
            background: #fff;
            border-radius: 50%;
            position: absolute;
            top: 40px;
            animation: blink 3s infinite;
        }

        .robot-eye.left { left: 35px; }
        .robot-eye.right { right: 35px; }

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

        @keyframes blink {
            0%, 90%, 100% { height: 25px; }
            95% { height: 3px; }
        }

        /* Features Section */
        .features {
            padding: 120px 50px;
            background: #0a0a0a;
            position: relative;
        }

        .section-title {
            text-align: center;
            font-size: 48px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            text-align: center;
            font-size: 20px;
            color: #888;
            margin-bottom: 80px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .feature-card {
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(102, 126, 234, 0.2);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
            transition: left 0.5s ease;
        }

        .feature-card:hover::before {
            left: 100%;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
            border-color: rgba(102, 126, 234, 0.5);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: #fff;
        }

        .feature-card p {
            color: #aaa;
            line-height: 1.6;
        }

        /* How It Works */
        .how-it-works {
            padding: 120px 50px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        }

        .timeline {
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
        }

        .timeline-item {
            display: flex;
            margin-bottom: 80px;
            position: relative;
        }

        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-content {
            width: 45%;
            padding: 30px;
            background: rgba(102, 126, 234, 0.1);
            border-radius: 15px;
            border: 1px solid rgba(102, 126, 234, 0.3);
            position: relative;
        }

        .timeline-number {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
        }

        .timeline-content h3 {
            font-size: 24px;
            margin-bottom: 10px;
            color: #667eea;
        }

        .timeline-content p {
            color: #aaa;
            line-height: 1.6;
        }

        /* Demo Section */
        .demo {
            padding: 120px 50px;
            background: #0a0a0a;
            text-align: center;
        }

        .demo-video {
            max-width: 900px;
            margin: 0 auto;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 30px 90px rgba(102, 126, 234, 0.3);
            position: relative;
        }

        .video-placeholder {
            width: 100%;
            aspect-ratio: 16/9;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #667eea;
            border: 2px dashed rgba(102, 126, 234, 0.5);
        }

        .play-button {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 10px 40px rgba(102, 126, 234, 0.4);
        }

        .play-button:hover {
            transform: scale(1.1);
            box-shadow: 0 15px 50px rgba(102, 126, 234, 0.6);
        }

        .play-icon {
            width: 0;
            height: 0;
            border-left: 30px solid #fff;
            border-top: 20px solid transparent;
            border-bottom: 20px solid transparent;
            margin-left: 8px;
        }

        /* Team Section */
        .team {
            padding: 120px 50px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .team-card {
            text-align: center;
            padding: 40px 20px;
            background: rgba(102, 126, 234, 0.1);
            border-radius: 20px;
            border: 1px solid rgba(102, 126, 234, 0.2);
            transition: all 0.3s ease;
        }

        .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
        }

        .team-avatar {
            width: 120px;
            height: 120px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 48px;
            font-weight: bold;
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
        }
        .team-avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
        }


        .team-card h3 {
            font-size: 22px;
            margin-bottom: 10px;
        }

        .team-card p {
            color: #888;
            margin-bottom: 15px;
        }

        .social-links {
            display: flex;
            gap: 15px;
            justify-content: center;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background: rgba(102, 126, 234, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #667eea;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            transform: scale(1.1);
        }

        /* Contact Section */
        .contact {
            padding: 120px 50px;
            background: #0a0a0a;
        }

        .contact-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

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

        .form-group label {
            margin-bottom: 10px;
            color: #667eea;
            font-weight: 600;
        }

        .form-group input,
        .form-group textarea {
            padding: 15px 20px;
            background: rgba(102, 126, 234, 0.1);
            border: 1px solid rgba(102, 126, 234, 0.3);
            border-radius: 10px;
            color: #fff;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 20px rgba(102, 126, 234, 0.2);
        }

        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            background-color: #978f8f;
            color: white;
            border: none;
            padding: 12px 16px;
            border-radius: 50%;
            font-size: 18px;
            cursor: pointer;
            display: none;
            opacity: 70%;
            box-shadow: 0 4px 8px rgba(0,0,0,0.3);
            transition: 0.3s;
}

        #backToTop:hover {
            background-color: #515352;
            transform: scale(1.1);
        }

        /* Footer */
        footer {
            padding: 60px 50px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            text-align: center;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-logo {
            font-size: 36px;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            gap: 30px;
            justify-content: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #888;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: #667eea;
        }

        .copyright {
            color: #555;
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            nav {
                padding: 2px 10px;
            }

            .nav-links {
                position: fixed;
                top: 0;
                left: -100%;
                height: 100vh;
                width: 70%;
                background: rgba(10, 10, 10, 0.98);
                flex-direction: column;
                padding: 100px 40px;
                transition: left 0.3s ease;
            }

            .nav-links.active {
                left: 0;
            }

            .menu-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 48px;
            }

            .hero p {
                font-size: 18px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .robot-container {
                display: none;
            }

            .features,
            .how-it-works,
            .demo,
            .team,
            .contact {
                padding: 80px 20px;
            }

            .section-title {
                font-size: 36px;
            }

            .timeline::before {
                left: 30px;
            }

            .timeline-item {
                flex-direction: column !important;
            }

            .timeline-content {
                width: 100%;
                margin-left: 60px;
            }

            .timeline-number {
                left: 30px;
            }
        }

        /* Scroll animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* set the display size for tablet */
        @media screen and (min-width: 600px) and (max-width: 768px) {
            body {
                font-size: 18px;
            }
            .container {
                width: 90%;
            }
        }