body {
    font-family: 'Roboto', sans-serif;
    background-color: #F9F9F9;
    color: #2D2D2D;
    margin: 0;
    padding: 0;
}

header {
    background-color: #2D2D2D;
    padding: 1.5rem;
    text-align: center;
}

#logo img {
    max-height: 100px;
    width: auto;
}


.layout-container {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 0.5rem;
    padding: 1rem;
    min-height: 80vh;
    box-sizing: border-box;
}

.sidebar-left,
.sidebar-right {
    flex: 0 0 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    margin: 30px;
}

.sidebar-left img,
.sidebar-right img {
    height: 100%;
    width: 190%;
    display: block;
    border-radius: 8px;
    
}

main {
    flex: 1;
    max-width: 800px;
    background: #E6F0EC;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #B0CCC2;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0 0.5rem;
}

h1 {
    font-size: 2rem;
    color: #1D3C34;
    margin-bottom: 0.3rem;
    text-align: center;
}

h4 {
    font-size: 1.1rem;
    color: #4A4A4A;
    font-weight: normal;
    text-align: center;
    margin-top: 0;
}

h2 {
    color: #1D3C34;
    font-size: 1.5rem;
    margin-top: 2rem;
}

ul {
    padding-left: 1.2rem;
    margin-top: 0.5rem;
}

li {
    margin: 0.4rem 0;
}

.price {
    font-size: 1.4rem;
    font-weight: bold;
    color: #1D3C34;
    margin-top: 1.5rem;
}

input[type="email"], [type="text"] {
    padding: 0.6rem;
    font-size: 1rem;
    width: 80%;
    max-width: 300px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.buy-button {
    display: inline-block;
    background-color: #1D3C34;
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.buy-button:hover {
    background-color: #2D2D2D;
}

.buy-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

footer {
    background-color: #2D2D2D;
    color: white;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    margin-top: 3rem;
}

/* Responsive Design */
@media screen and (max-width: 1000px) {
    .layout-container {
        flex-direction: column;
        align-items: center;
    }

    .sidebar-left,
    .sidebar-right {
        display: none;
    }

    main {
        max-width: 100%;
    }
}