/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* Body Styles */
body {
    background-color: #f3f4f6;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

/* Header Styles */
header {
    text-align: center;
    background: #1f2937;
    color: #fff;
    padding: 30px 0;
    border-bottom: 3px solid #3b82f6;
}

.banner {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-bottom: 3px solid #3b82f6;
}

.profile-pic {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 20px auto;
    display: block;
    border: 3px solid #3b82f6;
}

header h1 {
    margin: 10px 0;
    font-size: 2.5em;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 20px 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #3b82f6;
    font-weight: bold;
    font-size: 1.1em;
}

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

/* Main Content Styles */
main {
    max-width: 900px;
    margin: 40px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

main h2 {
    margin-bottom: 25px;
    font-size: 2em;
    color: #1f2937;
    border-bottom: 3px solid #3b82f6;
    display: inline-block;
    padding-bottom: 5px;
}

main h3 {
    margin-top: 30px;
    font-size: 1.5em;
    color: #1f2937;
    border-left: 5px solid #3b82f6;
    padding-left: 10px;
}

main p {
    margin: 15px 0;
    font-size: 1.1em;
    color: #555;
    line-height: 1.8;
}

/* Footer Styles */
footer {
    text-align: center;
    padding: 20px 0;
    background: #1f2937;
    color: #fff;
    border-top: 3px solid #3b82f6;
    margin-top: 40px;
}

footer p {
    color: #bbb;
    font-size: 0.9em;
}

/* Responsive Styles */
@media (max-width: 768px) {
    header, main, footer {
        padding: 15px;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        margin: 10px 0;
    }

    main {
        padding: 20px;
    }

    main h2 {
        font-size: 1.8em;
    }

    main h3 {
        font-size: 1.3em;
    }

    main p {
        font-size: 1em;
    }
}