:root {
    --text: #222;
    --muted: #666;
    --link: #2a5db0;
    --border: #e5e5e5;
    --background: #fff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.55;
}

.page {
    max-width: 980px;
    margin: 0 auto;
    padding: 56px 28px;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 56px;
}

.sidebar {
    position: sticky;
    top: 40px;
    align-self: start;
}

.profile-photo {
    width: 170px;
    height: 170px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 22px;
}

h1 {
    font-size: 1.65rem;
    line-height: 1.15;
    margin: 0 0 6px;
}

.subtitle {
    color: var(--muted);
    margin: 0 0 20px;
}

.contact {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--muted);
}

.contact li {
    margin-bottom: 6px;
}

.content {
    max-width: 680px;
}

section {
    margin-bottom: 42px;
}

h2 {
    font-size: 1.35rem;
    margin: 0 0 14px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

h3 {
    font-size: 1rem;
    margin: 0 0 4px;
}

p {
    margin: 0 0 12px;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.item {
    margin-bottom: 22px;
}

.meta {
    color: var(--muted);
    font-size: 0.95rem;
}

footer {
    color: var(--muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
    padding-top: 18px;
    margin-top: 56px;
}

@media (max-width: 760px) {
    .page {
        display: block;
        padding: 32px 20px;
    }

    .sidebar {
        position: static;
        margin-bottom: 36px;
    }

    .profile-photo {
        width: 140px;
        height: 140px;
    }
}