/* Simple, Clean Styles */

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

:root {
    --text-color: #333;
    --text-light: #666;
    --border-color: #ddd;
    --bg-light: #f9f9f9;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: var(--text-light);
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    padding: 6rem 0 3rem;
    margin-top: 60px;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-image img {
    width: 180px;
    height: auto;
    border-radius: 4px;
}

.hero-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.hero-institution {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.hero-institution a {
    color: var(--text-color);
    text-decoration: none;
}

.hero-institution a:hover {
    text-decoration: underline;
}

.hero-contact {
    margin-top: 1rem;
}

.hero-contact a {
    color: var(--text-color);
    text-decoration: none;
}

.hero-contact a:hover {
    text-decoration: underline;
}

/* Sections */
.section {
    padding: 3rem 0;
    border-bottom: 1px solid var(--border-color);
}

.section-alt {
    background-color: var(--bg-light);
}

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2rem;
}

/* Content */
.content-grid {
    margin-bottom: 2rem;
}

.two-column-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.content-card {
    padding: 0;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.lead {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-color);
}

.styled-list {
    list-style: none;
    padding: 0;
}

.styled-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.7;
}

.styled-list li:last-child {
    border-bottom: none;
}

.styled-list strong {
    font-weight: 600;
}

/* Research Interests */
.interests-list {
    list-style: none;
    padding: 0;
}

.interests-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.interests-list li:last-child {
    border-bottom: none;
}

/* Publications */
.publications-list {
    list-style: none;
    padding: 0;
}

.publications-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.publications-list li:last-child {
    border-bottom: none;
}

.publications-list a {
    color: var(--text-color);
    text-decoration: none;
}

.publications-list a:hover {
    text-decoration: underline;
}

/* Projects */
.projects-list {
    list-style: none;
    padding: 0;
}

.projects-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.projects-list li:last-child {
    border-bottom: none;
}

.projects-list strong {
    font-weight: 600;
}

/* Contact */
#contact p {
    margin-bottom: 0.5rem;
}

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

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

/* Footer */
.footer {
    background-color: var(--bg-light);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.robot-animation {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.robot-animation canvas {
    display: block;
    opacity: 0.7;
}

.footer p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-menu {
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
    }

    .hero {
        padding: 5rem 0 2rem;
        margin-top: 80px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .hero-image {
        display: flex;
        justify-content: center;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 1rem;
    }

    .two-column-grid {
        grid-template-columns: 1fr;
    }
}