/* General Reset */
body, h1, h2, p, ul, li {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #333;
}

/* Header */
header {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

header h1 {
    margin-bottom: 10px;
}

.page-menu {
    background: #444;
    text-align: center;
    padding: 10px 0;
}

.page-menu ul {
    list-style: none;
}

.page-menu ul li {
    display: inline;
    margin: 0 10px;
}

.page-menu ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

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

/* Container Layout */
.container {
    display: flex;
    max-width: 1200px;
    margin: 20px auto;
    padding: 10px;
    background: #fff;
    border: 1px solid #ddd;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
}

/* Sidebar */
.sidebar {
    flex: 1;
    max-width: 300px;
    padding: 20px;
    border-right: 1px solid #ddd;
    background: #f9f9f9;
}

.sidebar .profile {
    text-align: center;
}

.sidebar img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 15px;
}

.sidebar h2 {
    font-size: 1.2em;
    margin-bottom: 10px;
    color: #333;
}

.sidebar p {
    font-size: 0.9em;
    margin-bottom: 10px;
}

.sidebar .social-links a {
    color: #007bff;
    text-decoration: none;
    margin: 0 5px;
    font-size: 0.9em;
}

.sidebar .social-links a:hover {
    text-decoration: underline;
}

/* Main Content */
.content {
    flex: 3;
    padding: 20px;
}

.content h2 {
    margin-bottom: 15px;
    color: #333;
}

.content p {
    font-size: 1em;
    margin-bottom: 15px;
    line-height: 1.8;
}

.content ul {
    list-style-type: disc;
    margin-left: 20px;
    font-size: 0.95em;
}

.content ul ul {
    list-style-type: circle;
    margin-left: 20px;
}

.content li {
    margin-bottom: 10px;
}

/* Key Achievements Section */
.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.card {
    flex: 1 1 calc(50% - 20px);
    background: #f9f9f9;
    border: 1px solid #ddd;
    padding: 20px;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.card h3 {
    color: #008080;
    margin-bottom: 10px;
}

.card p {
    font-size: 0.95em;
}

/* Footer */
footer {
    text-align: center;
    padding: 10px;
    background: #333;
    color: #fff;
    margin-top: 20px;
}

/* Media Queries */

/* For screens less than 768px (tablet and phone view) */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 10px;
    }

    .sidebar {
        max-width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
        padding-bottom: 20px;
    }

    .content {
        flex: 1;
        padding: 10px;
    }

    .cards {
        flex-direction: column;
        gap: 15px;
    }

    .card {
        flex: 1 1 100%;
    }

    .page-menu ul li {
        display: block;
        margin: 5px 0;
    }
}

/* For screens less than 480px (small phones) */
@media (max-width: 480px) {
    header h1 {
        font-size: 22px;
    }

    .page-menu ul li a {
        font-size: 14px;
    }

    .sidebar img {
        width: 100px;
        height: 100px;
    }

    .content h2 {
        font-size: 1.5em;
    }

    .card {
        padding: 15px;
    }
}