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

body {
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f5f5f5;
    color: #222222;
    min-height: 100vh;
    margin: 0;
}

.site-header {
    padding: 1rem 1.5rem 0;
    margin-left: 80px;
}

.nav-links {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.95rem;
    color: #800020;
    text-decoration: none;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 1px rgba(128, 0, 32, 0.1);
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.nav-item:hover {
    background: #800020;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(128, 0, 32, 0.3);
}

.banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 80px;
    height: 100vh;
    background-image: url("visual/sado.png");
    background-repeat: repeat-y;
    background-size: 80px auto;
    background-position: top left;
    margin: 0;
    padding: 0;
    z-index: 10;
}

body {
    padding-left: 80px;
}

.container {
    max-width: 960px;
    margin: 4rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: minmax(0, 600px) auto;
    column-gap: 4rem;
    align-items: flex-start;
}

.content {}

h1 {
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    color: #111111;
    line-height: 1.2;
}

.first-name {
    font-weight: 400;
}

.affiliation {
    font-size: 1.125rem;
    color: #800020;
    margin-bottom: 2rem;
}

.contact-inline {
    font-size: 0.98rem;
    color: #555555;
    margin-top: -1.25rem;
    margin-bottom: 2rem;
}

.bio {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #333333;
    text-align: justify;
}

.interests {
    margin-top: 2rem;
}

.interests h2 {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #800020;
    margin-bottom: 0.5rem;
}

.interests p {
    font-size: 1rem;
    line-height: 1.7;
    color: #333333;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    margin-top: 4.5rem;
    margin-right: -1rem;
}

.profile-photo {
    width: 260px;
    height: auto;
    object-fit: cover;
    border-radius: 50%;
}

.location {
    font-size: 0.95rem;
    color: #800020;
    font-family: monospace;
    text-align: center;
}

@media (max-width: 900px) {
    .container {
        max-width: 100%;
        margin: 2rem 1.25rem;
        padding: 0 0.5rem;
        grid-template-columns: 1fr;
        row-gap: 2rem;
    }

    .content {}
    
    h1 {
        font-size: 2.5rem;
    }
    
    .sidebar {
        max-width: 340px;
    }
}