:root {
    --text-color: #111;
    --link-color: #0066cc;
    --link-hover: #004499;
    --meta-color: #111;
    --bg-color: #f0f0f0;
    --max-width: 770px;
    --spacing: 1.65rem;
}

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

body {
    font-family: "Spectral", Georgia, "Times New Roman", serif;
    font-size: 17.6px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: var(--spacing);
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 0;
}

header {
    margin-bottom: var(--spacing);
}

h1 {
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: 0.275rem;
}

h2 {
    font-size: 1.375rem;
    font-weight: 400;
    margin-bottom: 1.1rem;
}

p {
    margin-bottom: 0.75rem;
}

.tagline {
    color: var(--meta-color);
    margin-bottom: 0.5rem;
}

.links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.links a {
    color: var(--text-color);
    text-decoration: none;
    display: inline-flex;
    transition: color 0.2s;
}

.links a:hover {
    color: var(--link-color);
}

.links svg {
    width: 20px;
    height: 20px;
}

.bio {
    margin-top: var(--spacing);
}

.bio p {
    margin-bottom: 1rem;
}

.bio p:last-child {
    margin-bottom: 0;
}

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: var(--spacing) 0;
}

section {
    margin-bottom: var(--spacing);
}

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

a:hover {
    text-decoration: underline;
    color: var(--link-hover);
}

ul {
    list-style: none;
}

.project-list li {
    margin-bottom: 0.5rem;
}

.project-list .date {
    display: inline-block;
    width: 100px;
    color: var(--meta-color);
    font-size: 0.9rem;
}

.job,
.edu,
.project {
    margin-bottom: 1.25rem;
}

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

.job-header .date,
.edu-header .date,
.project-header .date {
    color: var(--meta-color);
    font-size: 0.9rem;
    white-space: nowrap;
}

.job-title,
.edu-degree {
    color: var(--meta-color);
    font-size: 0.95rem;
    margin-top: 0.1rem;
}

.job-details,
.edu-details,
.project-details {
    margin-top: 0.5rem;
    padding-left: 1.25rem;
    list-style: disc;
    color: var(--text-color);
}

.job-details li,
.edu-details li,
.project-details li {
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.publication-list li {
    margin-bottom: 1.25rem;
}

.publication-list strong {
    font-weight: 400;
}

.publication-list .meta {
    color: var(--meta-color);
    font-size: 0.9rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.skill-category strong {
    display: block;
    margin-bottom: 0.25rem;
}

.skill-category p {
    color: var(--meta-color);
    font-size: 0.9rem;
    margin: 0;
}

footer {
    margin-top: var(--spacing);
}

.patent {
    font-size: 0.9rem;
    color: var(--meta-color);
}

.patent strong {
    color: var(--text-color);
}

@media (max-width: 600px) {
    body {
        font-size: 15px;
        padding: 1rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .project-list .date {
        display: block;
        width: auto;
        margin-bottom: 0.1rem;
    }

    .job-header,
    .edu-header,
    .project-header {
        flex-direction: column;
        gap: 0;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}