.hero {
            background:
                url('/media/chatnotr-ai-memory-assistant-background.jpg') no-repeat center 110px,
                url('/media/chatnotr-ai-memory-assistant-background2.jpg') no-repeat center 800px,
                #000;
            background-size: auto, 100% auto, auto;    
            color: white;
            padding: 2rem 1rem;
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .banner-container {
            max-width: 900px;
            margin: 0 auto 2rem;
            border-radius: 12px;
            overflow: hidden;
        }

        .banner-container img {
            width: 100%;
            height: auto;
            display: block;
        }

        h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .subtitle {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .tagline {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 1rem;
        }

        .video-container {
            max-width: 400px;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(255, 255, 255, 0.1);
        }

        .video-container video {
            width: 100%;
            height: auto;
            display: block;
        }

        .download-buttons {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .store-button {
            display: inline-block;
            transition: transform 0.3s, opacity 0.3s;
        }

        .store-button:hover {
            transform: translateY(-3px);
            opacity: 0.9;
        }

        .store-button img {
            height: 60px;
            width: auto;
        }

        .flip-container {
            perspective: 1000px;
            display: inline-block;
        }

        .flipper {
            position: relative;
            width: 180px;
            height: 60px;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }

        .flip-container:hover .flipper {
            transform: rotateY(180deg);
        }

        .front, .back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .front {
            z-index: 2;
        }

        .front img {
            height: 60px;
            width: auto;
        }

        .back {
            transform: rotateY(180deg);
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .features {
            max-width: 1200px;
            margin: 4rem auto;
            padding: 0 2rem;
        }

        .features h2 {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 3rem;
            color: #70195e;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }

        .feature-number {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #000;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            margin-bottom: 1rem;
            color: #e44097;
        }

        .feature-card p {
            color: #fff;
            line-height: 1.8;
        }

        .phone-frame {
            position: relative;
            width: 360px;
            height: 720px;
            overflow: hidden;
        }

        .phone-frame iframe {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 330px;
            height: 720px;
            border-radius: 50px;
            transform: translate(calc(-50% + 10px), -50%);
        }

        .center-container {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin-top: 50px;
        }

        .frame-overlay {
            pointer-events: none;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/media/phone-frame.png') no-repeat center center;
            background-size: contain;
            z-index: 10;
        }

        @media (max-width: 768px) {
            .hero {
                background-size: auto, 250% auto, auto;
                background-position: center top, center 800px;
            }

            h1 {
                font-size: 2rem;
            }

            .subtitle {
                font-size: 1.1rem;
            }

            .store-button img {
                height: 50px;
            }

            .download-buttons {
                gap: 1rem;
            }

            .center-container {
                height: auto;
                margin-top: 20px;
            }

            .phone-frame {
                width: 280px;
                height: 560px;
            }

            .phone-frame iframe {
                width: 260px;
                height: 560px;
                border-radius: 40px;
                transform: translate(calc(-50% + 10px), -50%);
            }

            .flipper {
                width: 120px;
                height: 50px;
            }

            .front img {
                height: 50px;
            }
        }