/* ===== General Styles ===== */
body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background: #f9f9f9;
    color: #222;
}

header {
    background: #1b1b2f; /* dark navy for professionalism */
    color: #f5f5f5;
    padding: 25px 0;
    text-align: center;
    box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 2.4em;
    letter-spacing: 1px;
}

nav {
    background: #2d2d44;
    display: flex;
    justify-content: center;
    gap: 25px;
    padding: 12px 0;
}

nav a {
    color: #f5f5f5;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    padding: 6px 12px;
    border-radius: 5px;
    transition: background 0.3s;
}

nav a:hover {
    background: #1b1b2f;
}

.container {
    max-width: 950px;
    margin: 30px auto;
    background: #fff;
    padding: 35px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

img.profile-pic {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    display: block;
    margin: 0 auto 25px auto;
    border: 3px solid #1b1b2f;
}

h2, h3 {
    color: #1b1b2f;
    margin-bottom: 15px;
}

ul {
    padding-left: 20px;
}

.project, .publication, .blog-post {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.project:last-child, .publication:last-child, .blog-post:last-child {
    border-bottom: none;
}

footer {
    text-align: center;
    padding: 20px;
    background: #1b1b2f;
    color: #f5f5f5;
    margin-top: 30px;
    font-size: 0.9em;
}

/* ===== Links inside container ===== */
.container a {
    color: #0077b6;
    text-decoration: none;
    transition: color 0.3s;
}

.container a:hover {
    color: #023e8a;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
    }
    .container {
        margin: 20px;
        padding: 25px;
    }
}