/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.7;
    color: #333;
    background: #fff;
}

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

a:hover {
    text-decoration: underline;
}

/* === Layout === */
.container {
    max-width: 740px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Header === */
.site-header {
    padding: 40px 0 0;
    text-align: center;
}

.site-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 4px;
}

.site-header .subtitle {
    font-size: 1rem;
    color: #555;
    margin-bottom: 0;
}

/* === Navigation === */
nav {
    border-bottom: 1px solid #ddd;
    padding: 14px 0;
    margin-bottom: 36px;
    text-align: center;
}

nav a {
    margin: 0 14px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

nav a:hover,
nav a.active {
    color: #1a5276;
}

/* === Main Content === */
main {
    padding-bottom: 60px;
}

main h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #111;
    margin: 36px 0 16px;
    border-bottom: 1px solid #eee;
    padding-bottom: 6px;
}

main h2:first-child {
    margin-top: 0;
}

main p {
    margin-bottom: 16px;
}

/* === Research page === */
.paper {
    margin-bottom: 20px;
}

.paper .title {
    font-weight: 600;
}

.paper .meta {
    font-size: 0.93rem;
    color: #555;
}

/* === Teaching page === */
.download-link {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 18px;
    background: #1a5276;
    color: #fff;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
}

.download-link:hover {
    background: #154360;
    text-decoration: none;
}

/* === CV page === */
.cv-embed {
    width: 100%;
    height: 80vh;
    border: 1px solid #ddd;
    margin-top: 12px;
}

/* === Blog post (interview) === */
.post-meta {
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 24px;
}

.post-content p {
    margin-bottom: 16px;
}

.post-content strong u {
    font-size: 1.05rem;
}

/* === Footer === */
footer {
    border-top: 1px solid #ddd;
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #999;
}