/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: white;
}

.about-section a {
    color: #F28500;
    text-decoration: none;
    font-weight: 550;
    display: inline;
}
.header, a {
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #cecece;
    height: 100%;
}

/* Navigation Styles */
.navigation {
    background: #808080;
    padding: 20px 0;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

/* Header Styles */
.header {
    background: #f0ecea;
    border-bottom: 1px solid #e5e5e5;
}

.profile-section {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
}

.profile-image {
    display: flex;
    flex-direction: row;
    flex-shrink: 0;
    margin-left: 2vh;
    height: 100%;
    width: 20%;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info {
    display: flex;
    flex-direction: row;
    width: 80%;
    height: 100%;
    text-align: justify;
}

.name-and-description {
    display: flex;
    flex-direction:column;
    justify-content: center;
    align-items: flex-start;
    width: 70%;
    padding: 1vh 5vh;
}

.aside-links {
    display: flex;
    flex-direction: column;
    width: 30%;
    align-items: center;
    justify-content: center;
}

.profile-info h1 {
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    margin-bottom: 2vh;
}

.tagline {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.description {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    flex-direction: column ;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.cv-link, .email-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #737d94;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.cv-link:hover, .email-link:hover {
    color: #737d94;
}

.social-links {
    display: flex;
}

.social-links a {
    width: 7vh;
    height: 7vh;
    border-radius: 50%;
    background: #f5f5f500;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links i {
    font-size: 3vh;
}

.social-links a:hover {
    background: #0066cc;
    color: white;
    transform: translateY(-2px);
}

/* Navigation Styles */
.navigation {
    display: flex;
    align-content: flex-end;
    justify-content: flex-end;
    background: white;
    padding: 2.7vh 2.5vh;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    z-index: 100;
}

.navigation a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.navigation a::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 0;
    height: 2px;
    background: #666;
    transition: width 0.3s ease;
}

.navigation a:hover::after {
    width: 100%;
}

/* Main Content Styles */
.main-content {
    background: white;
    padding: 40px 0;
}

.about-section {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 50px;
}

.section {
    margin-bottom: 30px;
}

.section h2 {
    font-size: 1.3rem;
    font-weight: 550;
    margin-bottom: 20px;
    color: #595959;
}

/* Bio Section */
#bio {
    display: flex;
    flex-direction: column;
    width: 50%;
}

.bio-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.7;
    text-align: justify;
}

/* Education Section */
#education {
    width: 50%;
}

.education-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.education-item {
    padding: 10px;
    border-radius: 8px;
}

.education-item .degree {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.education-item .institution {
    font-size: 1rem;
    color: #0066cc;
    margin-bottom: 5px;
}

.education-item .year {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
}


/* Expertise Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columns */
    gap: 30px;
}

.expertise-item {
    text-align: justify;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.expertise-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.expertise-item h3 {
    font-size: 1.1rem;
    font-weight: 550;
    margin-bottom: 10px;
    color: #0066cc;
}

.expertise-item p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Publications Section */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 100%;
}

.publication-item {
    display: flex;
    gap: 30px;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border-left: none;
    border-bottom: 1px solid #e5e5e5;
    padding-bottom: 30px;
    transition: none;
}

.publication-item:hover {
    transform: none;
    box-shadow: none;
}

.publication-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.publication-year {
    font-size: 1rem;
    font-weight: 600;
    color: #666;
    min-width: 50px;
    flex-shrink: 0;
    text-align: left;
}

.publication-content {
    flex: 1;
}

.publication-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #222;
    line-height: 1.4;
}

.publication-authors {
    font-size: 1rem;
    color: #666;
    margin-bottom: 3px;
    font-weight: 400;
}

.publication-venue {
    font-size: 1rem;
    color: #666;
    font-style: italic;
    margin-bottom: 8px;
    font-weight: 400;
}

.publication-award {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #F28500;
    font-size: 0.95rem;
    margin-top: 8px;
    font-weight: 500;
}

.publication-award i {
    color: #F28500;
    font-size: 0.9rem;
}

/* Experience Section */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: stretch;
}

.experience-item {
    padding: 30px;
    background: #f9f9f9;
    border-radius: 8px;
    border-left: 4px solid #0066cc;
}

.experience-item .job-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #222;
}

.experience-item .company {
    font-size: 1.1rem;
    color: #0066cc;
    margin-bottom: 5px;
    font-weight: 500;
}

.experience-item .duration {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 15px;
}

.job-description p {
    margin-bottom: 15px;
    font-size: 1rem;
    line-height: 1.6;
}

.job-description ul {
    padding-left: 20px;
}

.job-description li {
    margin-bottom: 8px;
    font-size: 1rem;
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    text-align: flex-start;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.contact-methods {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    justify-content: center;
}

.contact-method i {
    color: #0066cc;
    width: 20px;
}

.contact-method a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
}

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

/* Footer */
.footer {
    background: white;
    color: #333;
    text-align: start;
    padding: 10px 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-section {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .profile-image img {
        width: 150px;
        height: 150px;
    }
    
    .profile-info h1 {
        font-size: 2rem;
    }
    
    .navigation a {
        margin-right: 20px;
        font-size: 0.9rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 40px 0;
    }
    
    .profile-info h1 {
        font-size: 1.8rem;
    }
    
    .navigation {
        padding: 15px 0;
    }
    
    .navigation a {
        margin-right: 15px;
        font-size: 0.85rem;
    }
    
    .section {
        margin-bottom: 50px;
    }
    
    .section h2 {
        font-size: 1.6rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}