body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #434343, #000000);
    color: white;
    margin: 0;
    padding: 0;
}

header, nav, footer {
    padding: 10px;
    background-color: #333;
    color: white;
}

.banner {
    display: flex;
    overflow: hidden;
    max-height: 400px;
}

.banner img {
    width: 100%;
    height: auto;
}

button {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 10px;
    background-color: #ff5722;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #e64a19;
}

.restaurants {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.restaurant-card {
    background-color: #444;
    border-radius: 10px;
    margin: 10px;
    padding: 10px;
    text-align: center;
    width: 300px;
}

.restaurant-card img {
    width: 100%;
    height: 300px;
    border-radius: 10px;
}

.veg-indicator {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: green;
    margin: 5px auto;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #222;
}

footer img {
    width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .banner img {
        height: auto;
    }

    .restaurant-card {
        width: 100%;
    }
}

.popup {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.popup-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 600px;
}

.popup-content button {
    display: block;
    margin: 10px auto;
    padding: 10px;
    width: 100%;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.popup-content button:hover {
    background-color: #444;
}

.popup .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.popup .close:hover,
.popup .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}