* {
    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: #2c3e50;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.back-link {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    color: #667eea;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.back-link:hover {
    color: #764ba2;
}

.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
}

.main-container.show {
    opacity: 1;
}

.svg-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-svg {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
}

.text-content {
    max-width: 600px;
    text-align: center;
    padding: 2rem;
}

.text-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: #666;
}

@media (min-width: 768px) {
    .main-container {
        justify-content: flex-start;
        padding-top: 0;
    }

    .svg-container {
        height: calc(100vh - 6rem);
        max-width: none;
    }

    .product-svg {
        height: 100%;
        width: auto;
        max-width: 100vw;
        object-fit: contain;
    }

    .text-content {
        height: 4rem;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 1rem 2rem;
    }

    .text-content p {
        font-size: 1.1rem;
        margin: 0;
    }
}

@media (max-width: 767px) {
    .main-container {
        justify-content: center;
        padding: 1rem 0.5rem;
    }

    .svg-container {
        max-width: 95vw;
    }

    .back-link {
        top: 1rem;
        left: 1rem;
    }
}