:root {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #64ffda;
    --secondary-color: #8892b0;
    --section-bg: #252525;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Fira Code', 'Consolas', monospace;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 16px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
header {
    margin-bottom: 3rem;
}

.header-content {
    margin-bottom: 2rem;
}

h1 {
    color: var(--accent-color);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: normal;
}

.tags {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tag {
    background: transparent;
    padding: 0.25rem 0;
    font-size: 1rem;
    color: var(--accent-color);
}

.location {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

/* Header Social Links */
.header-social-links {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    border-bottom: 1px solid rgba(100, 255, 218, 0.2);
    padding-bottom: 2rem;
}

.header-social-links a {
    color: var(--secondary-color);
    font-size: 1.4rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.header-social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Footer Social Links */
footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(100, 255, 218, 0.2);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--secondary-color);
    font-size: 1.4rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* Navigation */
nav {
    margin: 2rem 0 3rem;
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--accent-color);
}

nav a::before {
    content: '>';
    color: var(--accent-color);
    margin-right: 0.5rem;
    opacity: 0;
    transition: opacity 0.3s;
}

nav a:hover::before {
    opacity: 1;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .header-social-links {
        justify-content: flex-start;
        gap: 1.5rem;
    }

    nav {
        flex-wrap: wrap;
        gap: 1rem;
    }
}

/* Sections */
section {
    margin: 4rem 0;
}

h2 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Experience Timeline */
.timeline {
    position: relative;
}

.exp-item {
    margin-bottom: 2rem;
    position: relative;
    background: var(--section-bg);
    padding: 1.5rem;
    border-radius: 4px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 3px solid var(--accent-color);
}

.exp-item:hover {
    transform: translateX(5px);
    box-shadow: -2px 2px 8px rgba(100, 255, 218, 0.1);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.exp-header h3 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.exp-header h3 span {
    color: var(--accent-color);
}

.date {
    color: var(--secondary-color);
    font-size: 0.85rem;
    background: rgba(100, 255, 218, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    margin-left: 1rem;
}

.exp-item ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.exp-item li {
    margin-bottom: 0.7rem;
    color: var(--secondary-color);
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    padding-left: 1.2rem;
}

.exp-item li:last-child {
    margin-bottom: 0;
}

.exp-item li::before {
    content: '→';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .exp-header {
        flex-direction: column;
    }
    
    .date {
        margin-left: 0;
        margin-top: 0.5rem;
    }
    
    .exp-item:hover {
        transform: none;
    }
}

/* Education */
.edu-item {
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--section-bg);
    border-radius: 4px;
}

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

.edu-item p {
    color: var(--secondary-color);
}

/* Interests */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.interest-item {
    padding: 1rem;
    background: var(--section-bg);
    border-radius: 4px;
}

.icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: inline-block;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .container {
        padding: 1rem;
    }

    nav {
        flex-wrap: wrap;
    }

    .timeline {
        padding-left: 1rem;
    }

    .exp-item::before {
        left: -1.3rem;
    }
}

/* Publications */
.publications-grid {
    display: grid;
    gap: 1.5rem;
}

.publication-item {
    background: var(--section-bg);
    padding: 1.5rem;
    border-radius: 4px;
    border-left: 3px solid var(--accent-color);
    transition: transform 0.3s ease;
}

.publication-item:hover {
    transform: translateX(5px);
}

.publication-title {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.publication-meta {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.publication-description {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.publication-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.publication-tag {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-size: 0.8rem;
}

/* Contact Section */
.contact-content {
    background: var(--section-bg);
    padding: 2rem;
    border-radius: 4px;
    text-align: center;
}

.contact-description {
    color: var(--text-color);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-info {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-item i {
    color: var(--accent-color);
}

.contact-availability {
    color: var(--secondary-color);
    font-style: italic;
    margin-top: 1rem;
}

.contact-email {
    display: inline-block;
    margin: 1rem 0;
    padding: 0.8rem 1.5rem;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.contact-email:hover {
    background: rgba(100, 255, 218, 0.2);
}

.header-social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.header-social-links a {
    color: var(--secondary-color);
    font-size: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.header-social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.header-social-links a::after {
    content: attr(data-label);
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.header-social-links a:hover::after {
    opacity: 1;
}

@media (max-width: 768px) {
    .header-social-links {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .header-social-links a::after {
        display: none;
    }
}

.technologies {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background-color: var(--accent-color);
    color: var(--bg-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.tech-tag:hover {
    opacity: 1;
}