:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3882b0;
    --text-color: #0c335a;
}

body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    padding-top: 60px;
    background: linear-gradient(rgba(255,255,255,0.95), rgba(255,255,255,0.95)), 
                url('data:image/svg+xml;utf8,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.005" numOctaves="3"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.3"/></svg>');
    background-size: cover;
    min-height: 100vh;
}

.content-section {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(255,255,255,0.9);
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    border-radius: 4px;
    backdrop-filter: blur(2px);
}

.main-nav {
    background: rgba(44,62,80,0.95);
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.main-nav {
    background: var(--primary-color);
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
}

.main-nav ul {
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 1rem;
    list-style: none;
}

.main-nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1.5rem;
    transition: background-color 0.3s;
}

.main-nav a:hover {
    background-color: var(--accent-color);
    border-radius: 4px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.profile-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem 0;
    border-bottom: 2px solid var(--primary-color);
}

.subtitle {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.content-section {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    backdrop-filter: blur(3px);
    border: 1px solid rgba(0,0,0,0.05);
}

.research-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.research-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 6px;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.research-img:hover {
    transform: translateY(-5px);
}

.degree-icon {
    width: 24px;
    height: 24px;
    margin-right: 10px;
    vertical-align: middle;
}

.coursework {
    margin: 1rem 0;
    padding-left: 2rem;
    border-left: 2px solid var(--accent-color);
}

.coursework h4 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
}

.research-project {
    background: rgba(52,152,219,0.08);
    padding: 1.2rem;
    border-radius: 6px;
    margin-top: 1rem;
}

.tech-stack {
    display: flex;
    gap: 0.8rem;
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.tech-stack li {
    background: var(--accent-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
}

.timeline-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
    margin-left: 1rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
}

.degree {
    color: var(--secondary-color);
    margin: 0.5rem 0;
}

.date {
    color: #7f8c8d;
    font-size: 0.9rem;
}

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

.award-item {
    display: flex;
    gap: 1rem;
    background: rgba(255,255,255,0.95);
    padding: 1.2rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.award-item:hover {
    transform: translateY(-3px);
}

.award-img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--accent-color);
}

.award-details h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.award-details p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.contact-info {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 4px;
}

.social-links a {
    display: inline-block;
    margin: 0.5rem 1rem 0 0;
    color: var(--accent-color);
    text-decoration: none;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .main-nav ul {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .content-section {
        padding: 1.5rem;
    }
}