*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Lato', 'Helvetica Neue', Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #2d3748;
    background-color: #f7f8fa;
    -webkit-font-smoothing: antialiased;
}

a {
    color: #1a5276;
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: #c0392b;
}

.wrapper {
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 24px 60px;
}

/* --- Header / Intro --- */
.intro {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    background: #ffffff;
    border-radius: 10px;
    padding: 36px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.intro img {
    width: 200px;
    height: 200px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.details h1 {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: #1a202c;
    line-height: 1.2;
    margin-bottom: 16px;
    text-transform: none;
}

.details p {
    font-size: 14.5px;
    line-height: 1.65;
    margin-bottom: 10px;
    color: #4a5568;
}

.details p b {
    color: #2d3748;
}

.details a {
    color: #2471a3;
}

/* --- Main Content Area --- */
.content-below {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* --- Section cards --- */
.section {
    background: #ffffff;
    border-radius: 10px;
    padding: 24px 32px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.section-title {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e2e8f0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Navigation links --- */
.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.nav-links a {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    display: inline-block;
    padding: 8px 20px;
    background: #eaf2f8;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #1a5276;
    transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
    background: #1a5276;
    color: #ffffff;
}

/* --- Lists (courses, awards, honors) --- */
.item-list {
    list-style: none;
    padding: 0;
}

.item-list li {
    position: relative;
    padding: 6px 0 6px 18px;
    font-size: 14.5px;
    line-height: 1.55;
    color: #4a5568;
}

.item-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    background: #a0aec0;
    border-radius: 50%;
}

.item-list .sub-heading {
    font-weight: 600;
    color: #2d3748;
    padding-left: 0;
    margin-top: 6px;
}

.item-list .sub-heading::before {
    display: none;
}

/* --- Footer --- */
.footer {
    text-align: center;
    margin-top: 40px;
    font-size: 12px;
    color: #a0aec0;
}

.footer a {
    color: #a0aec0;
}

.footer a:hover {
    color: #718096;
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .wrapper {
        padding: 20px 16px 40px;
    }

    .intro {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 28px 20px;
        gap: 24px;
    }

    .intro img {
        width: 160px;
        height: 160px;
    }

    .details h1 {
        font-size: 22px;
    }

    .nav-links {
        flex-direction: column;
    }

    .nav-links a {
        text-align: center;
    }

    .section {
        padding: 20px;
    }
}
