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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #e0e0e0;
    background: #0d1117;
    line-height: 1.7;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #21262d;
    z-index: 100;
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-name {
    font-weight: 600;
    font-size: 1.05rem;
    color: #e0e0e0;
    text-decoration: none;
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: #8b949e;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #e0e0e0;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 4rem 0;
    border-bottom: 1px solid #21262d;
}

section:last-child {
    border-bottom: none;
}

.hero {
    padding-top: 8rem;
}

h1 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    letter-spacing: -0.02em;
    color: #f0f6fc;
}

.title {
    font-size: 1.15rem;
    color: #8b949e;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.bio {
    font-size: 1.05rem;
    color: #b1bac4;
    max-width: 600px;
    margin-bottom: 1.5rem;
}

.links a {
    display: inline-block;
    margin-right: 1.5rem;
    color: #58a6ff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.links a:hover {
    color: #79c0ff;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
    color: #f0f6fc;
}

.experience {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.experience-item {
    padding: 1.5rem;
    background: #161b22;
    border: 1px solid #21262d;
    border-radius: 8px;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.3rem;
}

.experience-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #f0f6fc;
}

.exp-type {
    font-weight: 400;
    color: #6e7681;
    font-size: 0.9rem;
    margin-left: 0.5rem;
}

.exp-date {
    font-size: 0.85rem;
    color: #6e7681;
    white-space: nowrap;
}

.exp-role {
    font-size: 0.9rem;
    color: #58a6ff;
    margin-bottom: 0.5rem;
}

.experience-item p:last-child {
    color: #8b949e;
    font-size: 0.95rem;
}

.section-intro {
    color: #b1bac4;
    margin-bottom: 1.5rem;
}

.research-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.2rem;
}

.research-card {
    padding: 1.5rem;
    background: #161b22;
    border: 1px solid #21262d;
    border-radius: 8px;
    transition: border-color 0.2s;
}


.research-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #f0f6fc;
}

.research-card p {
    font-size: 0.95rem;
    color: #8b949e;
}

.placeholder {
    color: #6e7681;
    font-style: italic;
}

.publications {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.publication-item {
    padding: 1.5rem;
    background: #161b22;
    border: 1px solid #21262d;
    border-radius: 8px;
}

.publication-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.3rem;
}

.publication-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #f0f6fc;
}

.pub-date {
    font-size: 0.85rem;
    color: #6e7681;
    white-space: nowrap;
    margin-left: 1rem;
}

.pub-authors {
    font-size: 0.9rem;
    color: #58a6ff;
    margin-bottom: 0.2rem;
}

.pub-venue {
    font-size: 0.85rem;
    color: #6e7681;
    margin-bottom: 0.5rem;
}

.publication-item > p:nth-of-type(3) {
    color: #8b949e;
    font-size: 0.95rem;
}

.pub-links {
    margin-top: 0.75rem;
}

.pub-links a {
    display: inline-block;
    margin-right: 1rem;
    color: #58a6ff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.pub-links a:hover {
    color: #79c0ff;
}

#contact a {
    color: #58a6ff;
    text-decoration: none;
}

#contact a:hover {
    text-decoration: underline;
}

footer {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    color: #6e7681;
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .nav-container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-links a {
        margin-left: 0;
        margin-right: 1.5rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    .hero {
        padding-top: 7rem;
    }
}