:root {
    --text: #252525;
    --muted: #5f6368;
    --accent: #315f7d;
    --accent-dark: #23485f;
    --background: #ffffff;
    --surface: #f5f7f8;
    --border: #dfe3e6;
    --max-width: 1050px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    font-size: 17px;
    line-height: 1.7;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--accent);
}

a:hover {
    color: var(--accent-dark);
}

.container {
    width: min(100% - 3rem, var(--max-width));
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 1rem;
    z-index: 1000;
    padding: 0.6rem 0.9rem;
    color: white;
    background: var(--accent-dark);
}

.skip-link:focus {
    left: 1rem;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.96);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 78px;
}

.site-title {
    color: var(--text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.45rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.6rem;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--accent);
}

.main-content {
    padding-top: 5rem;
    padding-bottom: 6rem;
}

.intro {
    display: grid;
    grid-template-columns: minmax(210px, 280px) 1fr;
    gap: 4rem;
    align-items: start;
    max-width: 900px;
    margin-inline: auto;
}

.portrait img {
    display: block;
    width: 100%;
    border-radius: 4px;
}

.bio h1 {
    margin: -0.35rem 0 0.8rem;
    color: var(--text);
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 500;
    line-height: 1.15;
}

.bio p {
    margin: 0 0 1.5rem;
}

.bio .position {
    color: var(--muted);
    font-size: 1.05rem;
}

.bio .contact {
    margin-top: 1.25rem;
}

.site-footer {
    min-height: 80px;
    border-top: 1px solid var(--border);
}

@media (max-width: 700px) {
    .container {
        width: min(100% - 2rem, var(--max-width));
    }

    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding-block: 1.25rem;
        gap: 0.8rem;
    }

    .site-nav {
        justify-content: flex-start;
        gap: 1rem 1.25rem;
    }

    .main-content {
        padding-top: 3rem;
    }

    .intro {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 620px;
    }

    .portrait {
        max-width: 280px;
    }
}