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

        :root {
            --bg-primary: #0a0a0a;
            --bg-secondary: #121212;
            --bg-card: #1a1a1a;
            --accent-primary: #00bcd4;
            --accent-secondary: #00e5ff;
            --text-primary: #ffffff;
            --text-secondary: #b0b0b0;
            --gradient-1: linear-gradient(135deg, #00bcd4 0%, #0097a7 100%);
            --gradient-2: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 229, 255, 0.08) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        /* Top Nav + Logo */
        .nav-wrapper {
            position: sticky;
            top: 0;
            z-index: 20;
            background: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo {
            height: 50px;
            width: 50px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid rgba(0, 188, 212, 0.7);
            box-shadow: 0 0 12px rgba(0, 188, 212, 0.4);
            background: #000;
        }

        .brand-name {
            font-weight: 700;
            letter-spacing: 0.03em;
            font-size: 1rem;
            text-transform: uppercase;
            color: var(--text-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 600;
            transition: color 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--accent-primary);
        }

        /* Header Section */
        header {
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
        }

        header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: var(--gradient-1);
            border-radius: 2px;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -1px;
        }

        .tagline {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* App Showcase Section */
        .app-showcase {
            padding: 80px 0;
        }

        .apps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .app-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }

        .app-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient-1);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 0;
        }

        .app-card:hover {
            transform: translateY(-10px);
            border-color: var(--accent-primary);
            box-shadow: 0 20px 40px rgba(0, 188, 212, 0.2);
        }

        .app-card:hover::before {
            opacity: 0.05;
        }

        .app-card > * {
            position: relative;
            z-index: 1;
        }

        .app-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 25px;
            background: var(--gradient-1);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }

        .app-card:hover .app-icon {
            transform: scale(1.1) rotate(5deg);
        }

        .app-icon svg {
            width: 40px;
            height: 40px;
            fill: white;
        }

        .app-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-primary);
        }

        .app-card p {
            color: var(--text-secondary);
            margin-bottom: 25px;
            font-size: 0.95rem;
        }

        .cta-button {
            display: inline-block;
            padding: 12px 30px;
            background: var(--gradient-1);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }

        .cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(0, 188, 212, 0.3);
        }

        /* Testimonial Section */
        .testimonials {
            padding: 80px 0;
            background: var(--bg-secondary);
            position: relative;
        }

        .testimonials h2 {
            text-align: center;
            font-size: clamp(2rem, 4vw, 2.5rem);
            margin-bottom: 60px;
            color: var(--text-primary);
        }

        .carousel-container {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            overflow: hidden;
            padding: 0 50px;
        }

        .carousel-track {
            display: flex;
            transition: transform 0.5s ease;
        }

        .testimonial-card {
            min-width: 100%;
            padding: 40px;
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
        }

        .testimonial-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 20px;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 700;
            color: white;
        }

        .testimonial-quote {
            font-size: 1.1rem;
            font-style: italic;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .testimonial-quote::before {
            content: '"';
            font-size: 3rem;
            color: var(--accent-primary);
            line-height: 0;
            display: block;
            margin-bottom: 10px;
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--accent-primary);
            font-size: 1rem;
        }

        .carousel-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(0, 188, 212, 0.2);
            border: 1px solid var(--accent-primary);
            color: var(--accent-primary);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
        }

        .carousel-nav:hover {
            background: var(--accent-primary);
            color: white;
        }

        .carousel-nav.prev {
            left: 0;
        }

        .carousel-nav.next {
            right: 0;
        }

        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .dot.active {
            background: var(--accent-primary);
            width: 30px;
            border-radius: 5px;
        }

        /* Footer */
        footer {
            padding: 60px 0 30px;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            header {
                padding: 60px 0 40px;
            }

            .app-showcase,
            .testimonials {
                padding: 50px 0;
            }

            .apps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .carousel-container {
                padding: 0 40px;
            }

            .carousel-nav {
                width: 35px;
                height: 35px;
            }

            .nav-links {
                gap: 16px;
            }

            .nav-links a {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 640px) {
            .brand-name {
                display: none;
            }

            .nav-inner {
                padding: 12px 16px;
            }

            .logo {
                height: 44px;
                width: 44px;
            }
        }

        @media (max-width: 480px) {
            .carousel-container {
                padding: 0 30px;
            }

            .testimonial-card {
                padding: 30px 20px;
            }
        }