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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: #2c2c2c;
    background: #fafafa;
    -webkit-font-smoothing: antialiased;
}

header {
    max-width: 720px;
    margin: 0 auto;
    padding: 4rem 1.5rem 2rem;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #1a1a1a;
}

.subtitle {
    font-size: 1.1rem;
    color: #555;
    margin-top: 0.25rem;
}

.location {
    font-size: 0.9rem;
    color: #888;
    margin-top: 0.25rem;
}

main {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
}

section {
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid #e0e0e0;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 0.75rem;
    color: #3a3a3a;
}

a {
    color: #2a5aa7;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.entry {
    margin-bottom: 1.5rem;
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.entry-date {
    font-size: 0.9rem;
    color: #888;
}

.entry-org {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.publication-list {
    list-style: none;
}

.publication-list li {
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 2px solid #d0d0d0;
}

.publication-list li a {
    font-size: 0.9rem;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    margin-top: 1rem;
    background: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.contact-list {
    list-style: none;
}

.contact-list li {
    margin-bottom: 0.4rem;
}

footer {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid #e0e0e0;
    color: #999;
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    header {
        padding: 2.5rem 1rem 1.5rem;
    }

    main {
        padding: 0 1rem 3rem;
    }

    header h1 {
        font-size: 1.6rem;
    }

    footer {
        padding: 1.5rem 1rem;
    }
}