/* Modern Minimalist CV Styles */

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

:root {
    --primary-color: #2563eb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --background: #ffffff;
    --surface: #f9fafb;
    --border: #e5e7eb;
    --accent: #3b82f6;
    --success: #10b981;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--background);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    min-height: 100vh;
}

/* Header Section */
.header {
    padding: 3rem 2rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.profile-section {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
}

.profile-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header-info {
    flex: 1;
    min-width: 300px;
}

.name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.title {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.contact-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.contact-link:hover {
    opacity: 0.8;
}

.contact-link svg {
    width: 16px;
    height: 16px;
}

/* Section Styles */
.section {
    padding: 2.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent));
    border-radius: 2px;
}

/* Summary */
.summary {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Timeline Items (Experience & Education) */
.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--border);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 2px solid var(--background);
}

.timeline-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.timeline-item .company {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.timeline-item .period {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-item .description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.timeline-item .tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.timeline-item ul {
    list-style: none;
    padding: 0;
}

.timeline-item li {
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    position: relative;
}

.timeline-item li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Thesis and Publications styling */
.thesis-section,
.publications-section {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.thesis-section h4,
.publications-section h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.thesis-link,
.publication-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.thesis-link:hover,
.publication-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

.publications-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.publications-list li {
    margin-bottom: 0.5rem;
    padding-left: 0;
}

.publication-journal {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.9rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background-color: var(--surface);
    padding: 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.skill-category:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.skill-category h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.skill-tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    background-color: var(--background);
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.skill-tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
}

/* Languages Grid */
.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.language-item {
    background-color: var(--surface);
    padding: 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.language-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.language-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.language-level {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.language-proficiency {
    display: flex;
    justify-content: center;
    gap: 0.25rem;
}

.proficiency-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border);
    transition: background-color 0.2s;
}

.proficiency-dot.active {
    background-color: var(--primary-color);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background-color: var(--surface);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.project-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.project-card .description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-card .tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-card .tech-tag,
.timeline-item .tech-tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.6rem;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: 4px;
    font-weight: 500;
    display: inline-block;
    margin: 0.25rem 0.25rem 0.25rem 0;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.project-card .project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap 0.2s;
}

.project-card .project-link:hover {
    gap: 0.5rem;
}

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 2rem 1.5rem;
    }

    .profile-section {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .name {
        font-size: 2rem;
    }

    .contact-links {
        justify-content: center;
    }

    .section {
        padding: 2rem 1.5rem;
    }

    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media print {
    body {
        background-color: white;
    }

    .container {
        box-shadow: none;
    }

    .section {
        page-break-inside: avoid;
    }

    .contact-link:hover,
    .skill-tag:hover,
    .project-card:hover {
        transform: none;
        box-shadow: none;
    }
}