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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header styles */
header {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.contact-info {
    text-align: right;
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.uchicago-logo {
    height: 40px;
    margin-right: 10px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 20px;
}

.menu a {
    color: #333;
    font-weight: 500;
}

/* Mobile menu button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

/* Main content */
main {
    padding: 40px 0;
}

/* Hero section */
.hero {
    text-align: center;
    margin-bottom: 50px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.tagline {
    font-size: 1.2rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

/* Research areas */
.research-areas {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

@media (min-width: 768px) {
    .research-areas {
        grid-template-columns: 1fr 1fr;
    }
}

.research-area {
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 5px;
}

.research-area h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #222;
}

.research-area h3 {
    font-size: 1.1rem;
    margin: 20px 0 10px;
    color: #444;
}

.research-area p {
    margin-bottom: 10px;
}

/* Publications */
.recent-publications {
    margin-bottom: 50px;
}

.recent-publications h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.publication {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.publication:last-child {
    border-bottom: none;
}

.publication h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.publication p {
    color: #666;
    margin-bottom: 5px;
}

/* Footer */
footer {
    padding: 20px 0;
    border-top: 1px solid #eee;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

/* Publications page */
.publications-list {
    margin-top: 30px;
}

/* People page */
.people-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 15px;
}

.person {
    flex: 0 0 auto;
    width: calc(33.33% - 15px);
    margin-bottom: 10px;
    box-sizing: border-box;
}

.person-content {
    display: flex;
    align-items: flex-start;
}

.person img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    margin-right: 10px;
    border-radius: 5px;
}

.person-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.person h3 {
    margin: 0 0 5px 0;
    font-size: 14px;
    line-height: 1.2;
    font-weight: bold;
}

.person p {
    margin: 0;
    font-size: 14px;
    line-height: 1.3;
}

.person .notes, .person .shared-with, .person .next-job {
    font-size: 12px;
    margin-bottom: 2px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    max-width: 100%;
}

/* Mobile responsive styles */
@media (max-width: 767px) {
    /* Mobile navigation */
    .menu-toggle {
        display: block;
    }
    
    nav {
        flex-wrap: wrap;
    }
    
    .menu {
        display: none;
        width: 100%;
        flex-direction: column;
        margin-top: 15px;
    }
    
    .menu.active {
        display: flex;
    }
    
    .menu li {
        margin: 10px 0;
        margin-left: 0;
    }
    
    .menu a {
        display: block;
        padding: 8px 0;
        font-size: 1.1rem;
    }
    
    /* Adjust hero text */
    .hero h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    /* Increase touch targets */
    a {
        padding: 5px 0;
        display: inline-block;
    }
    
    /* Improve readability */
    .research-area {
        padding: 20px 15px;
    }
    
    /* Adjust spacing */
    main {
        padding: 25px 0;
    }
    
    .hero {
        margin-bottom: 35px;
    }
    
    .research-areas {
        gap: 25px;
    }
    
    /* Mobile-friendly contact info */
    .contact-info {
        text-align: center;
        margin-bottom: 15px;
    }
}

/* Mobile landscape and small tablets */
@media (min-width: 481px) and (max-width: 767px) {
    body {
        padding: 0 15px;
    }
}

/* Mobile portrait */
@media (max-width: 480px) {
    body {
        padding: 0 10px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .person {
        width: calc(50% - 15px);
    }
}

@media (max-width: 768px) {
    .person {
        width: 100%;
    }
}

/* Maintain PI section style */
#people-container > div > h2 {
    margin-top: 30px;
    margin-bottom: 15px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 5px;
}

/* Banner */
.banner-container {
    width: 100%;
    margin-bottom: 15px;
    overflow: hidden;
}

.origami-banner {
    width: 100%;
    height: 75px;
    object-fit: cover;
    object-position: center;
}