/* Header */
header {
    text-align: center;
    padding: 20px 10px;
    background: url('Hero-uchicago-campus.jpg') no-repeat center center;
    background-size: cover;
    color: white;
    position: relative;
    opacity: 0;
    animation: fadeIn 1s forwards;
    animation-delay: 0s;
}
  
header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5); /* Dark overlay */
}
  
.profile-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: rgba(0, 0, 0, 0.7); /* Semi-transparent background */
    padding: 20px;
    border-radius: 10px;
}
  
.profile-picture {
    width: 150px; /* Reduced size */
    height: 150px; /* Reduced size */
    border-radius: 50%;
    margin-bottom: 10px; /* Space between picture and name */
}
  
.profile-info {
    text-align: center;
}
  
.contact-info {
    margin: 5px 0; /* Reduce spacing */
}
  
.social-links {
    display: flex;
    justify-content: center;
    gap: 10px;
}
  
.social-links a {
    font-weight: bold;
}
  
/* Main Content */
main {
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px;
}
  
section {
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeIn 1s forwards;
}

section:nth-of-type(1) {
    animation-delay: 0.5s;
}
  
section:nth-of-type(2) {
    animation-delay: 1s;
}
  
section:nth-of-type(3) {
    animation-delay: 1.5s;
}
  
section:nth-of-type(4) {
    animation-delay: 2s;
}

section h2 {
    border-bottom: 2px solid #1E90FF;
    display: inline-block;
    margin-bottom: 20px; /* Add spacing below titles */
}
  
.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
  
.skill-item {
    background: #1e1e1e;
    color: #f9f9f9;
    padding: 10px 15px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
  
.experience-section, .projects-section, .organizations-section {
    background: #1e1e1e;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}
  
.experience-item, .project-item, .organization-item {
    background: #2a2a2a;
    padding: 10px 20px; /* Adjusted left padding */
    margin-bottom: 10px; /* Reduced top and bottom margin */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    opacity: 0;
    animation: fadeIn 1s forwards;
    animation-delay: var(--animation-delay);
}
  
.experience-item p, .project-item p, .organization-item p {
    margin: 5px 0; /* Reduce spacing between lines */
}
  
.experience-item:last-child, .project-item:last-child, .organization-item:last-child {
    margin-bottom: 0;
}
  
.project-item a {
    display: inline-block;
    margin-top: 10px;
    color: #1E90FF;
}

.hidden {
    opacity: 0;
    transition: opacity 0.6s ease;
}
  
.hidden.animated {
    opacity: 1;
}
  
/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: white;
    opacity: 0;
    animation: fadeIn 1s forwards;
    animation-delay: 1.5s;
}

/* Fade-in Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Animation Delay for Each Item */
.experience-item:nth-child(1) {
    --animation-delay: 1.2s;
}
.experience-item:nth-child(2) {
    --animation-delay: 1.4s;
}
.experience-item:nth-child(3) {
    --animation-delay: 1.6s;
}
.experience-item:nth-child(4) {
    --animation-delay: 1.8s;
}
.experience-item:nth-child(5) {
    --animation-delay: 2s;
}
.project-item:nth-child(1) {
    --animation-delay: 1.7s;
}
.organization-item:nth-child(1) {
    --animation-delay: 2.2s;
}
.organization-item:nth-child(2) {
    --animation-delay: 2.4s;
}
.organization-item:nth-child(3) {
    --animation-delay: 2.6s;
}
.organization-item:nth-child(4) {
    --animation-delay: 2.8s;
}