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

/* ---------------------------
   Body Styling
---------------------------- */
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #f9f9f9;
    color: #333;
    padding-bottom: 40px;
}

/* ---------------------------
   Header
---------------------------- */
header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background-color: #4CAF50;
    padding: 20px;
    color: white;
}

header .logo {
    height: 50px;
    margin-bottom: 10px;
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #4CAF50;
    text-decoration: solid;
}   

/* ---------------------------
   Main Content
---------------------------- */
main {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 30px;
}

main h1 {
    font-size: 2em;
    margin-bottom: 20px;
    color: #2F4F4F;
    text-align: center;
}

main h2 {
    font-size: 1.5em;
    margin-top: 20px;
    margin-bottom: 10px;
    color: #3E8E41;
}

main p {
    margin-bottom: 15px;
    font-size: 1em;
    line-height: 1.7;
}

/* ---------------------------
   Lists
---------------------------- */
ul {
    list-style: disc inside;
    margin-bottom: 20px;
}

ul li a {
    text-decoration: none;
    color: #4CAF50;
    font-weight: bold;
}

ul li a:hover {
    text-decoration: underline;
}

/* ---------------------------
   Back Link
---------------------------- */
a[href^="belly-fat.html"] {
    display: inline-block;
    margin-top: 30px;
    color: #ffffff;
    background-color: #4CAF50;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

a[href^="belly-fat.html"]:hover {
    background-color: #3E8E41;
}

/* ---------------------------
   Footer
---------------------------- */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-radius: 0 0 10px 10px;
}

/* ---------------------------
   Responsive
---------------------------- */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        justify-content: center;
        gap: 10px;
    }

    main {
        padding: 20px;
    }

    main h1 {
        font-size: 1.8em;
    }

    main h2 {
        font-size: 1.3em;
    }
}