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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #fff;
            background: #000;
            min-height: 100vh;
        }

        .container {
            max-width: 100%;
            margin: 0 auto;
            padding: 0;
        }

        /* Hero Section */
        .hero {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            padding: 4rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .hero-image {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-image img {
            width: 100%;
            max-width: 500px;
            border-radius: 12px;
            box-shadow: 0 20px 60px rgba(0, 200, 255, 0.3);
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        h1 {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00d9ff 0%, #00a8ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .subtitle {
            font-size: 1.25rem;
            color: #e2e8f0;
            line-height: 1.8;
        }

        .video-container {
            position: relative;
            width: 100%;
            max-width: 400px;
            margin: 2rem auto;
            aspect-ratio: 9 / 16;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 20px 60px rgba(0, 200, 255, 0.2);
        }

        .video-container video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 12px;
        }

        /* Form Section */
        .form-section {
            background: rgba(30, 41, 59, 0.8);
            border: 2px solid rgba(0, 200, 255, 0.2);
            border-radius: 12px;
            padding: 2.5rem;
            margin-top: 2rem;
            backdrop-filter: blur(10px);
        }

        .form-section h2 {
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
            color: #00d9ff;
        }

        .form-group {
            margin-bottom: 1.5rem;
            display: flex;
            flex-direction: column;
        }

        label {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #cbd5e1;
        }

        input,
        select {
            padding: 0.875rem 1rem;
            border: 2px solid rgba(0, 200, 255, 0.2);
            border-radius: 8px;
            background: rgba(15, 23, 42, 0.6);
            color: #e2e8f0;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        input:focus,
        select:focus {
            outline: none;
            border-color: #00d9ff;
            background: rgba(15, 23, 42, 0.9);
            box-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .submit-btn {
            padding: 1rem 2rem;
            background: linear-gradient(135deg, #00d9ff 0%, #00a8ff 100%);
            color: #0f172a;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 1rem;
            width: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
        }

        .submit-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .success-message {
            display: none;
            padding: 1.5rem;
            background: rgba(34, 197, 94, 0.2);
            border: 2px solid #22c55e;
            border-radius: 8px;
            margin-top: 1rem;
            text-align: center;
            color: #22c55e;
            font-weight: 600;
        }

        .success-message.show {
            display: block;
        }

        .success-message svg {
            display: inline;
            width: 20px;
            height: 20px;
            margin-right: 8px;
            vertical-align: middle;
        }

        .download-btn-wrapper {
            display: none;
            margin-top: 1.5rem;
        }

        .download-btn-wrapper.show {
            display: block;
        }

        .download-btn {
            display: inline-block;
            padding: 1rem 2rem;
            background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            width: 100%;
            text-align: center;
        }

        .download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(34, 197, 94, 0.4);
        }

        .download-btn svg {
            display: inline;
            width: 18px;
            height: 18px;
            margin-right: 8px;
            vertical-align: middle;
        }

        .error-message {
            display: none;
            padding: 1rem;
            background: rgba(239, 68, 68, 0.2);
            border: 2px solid #ef4444;
            border-radius: 8px;
            margin-top: 1rem;
            color: #fca5a5;
            font-weight: 600;
        }

        .error-message.show {
            display: block;
        }

        .error-message svg {
            display: inline;
            width: 18px;
            height: 18px;
            margin-right: 8px;
            vertical-align: middle;
        }

        @media (max-width: 768px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 2rem 1rem;
            }

            h1 {
                font-size: 2.25rem;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .video-container {
                margin: 1rem 0;
            }
        }