html, body {
            height: 100%; 
            margin: 0;
            display: flex;
            flex-direction: column;
        }

        footer {
            margin-top: auto; 
        }

        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: hsla(128, 59%, 30%, 0.8);
            padding: 10px 0;
            text-align: center;
            box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
            z-index: 1000; 
        }

        .bottom-bar ul {
            list-style: none;
            padding: 0;
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .bottom-bar ul li {
            display: inline;
        }

        .bottom-bar ul li a {
            text-decoration: none;
            color: white;
            font-size: 18px;
            font-weight: bold;
        }

        #top-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: hsla(128, 59%, 30%, 0.7);
            padding: 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            text-align: center;
            transition: top 0.6s ease-in-out;
        }

        #top-header img {
            width: 100%; 
            max-height: 200px; 
            object-fit: cover;
        }

        nav ul {
            list-style: none;
            padding: 0;
            display: flex;
            justify-content: center;
            gap: 15px;
        }

        nav ul li {
            display: inline;
        }

        nav ul li a {
            text-decoration: none;
            color: black;
            font-size: 18px;
            font-weight: bold;
        }

        .search-section {
            text-align: center;
            padding: 80px;
            background: rgba(255, 255, 255, 0.8);
            margin-top: 250px;
        }

        .recipes {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            padding: 40px;
            margin-top: 120px;
        }

        .recipe-card {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            width: 400px;
            text-align: center;
        }

        .recipe-card img {
            width: 100%;
            height: 250px;
            object-fit: cover;
            border-radius: 10px;
        }

        .recipe-card h3 {
            color: #3d7a40;
        }

        .recipe-card.hidden {
            display: none;
        }