/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e0e0e0;
    background-color: #1a1a1a;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 40px 0 20px;
    border-bottom: 1px solid #404040;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

nav a {
    color: #64b5f6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a:hover {
    color: #90caf9;
    text-decoration: underline;
}

/* Main content */
main {
    margin-bottom: 60px;
}

/* Sections */
.section {
    margin-bottom: 50px;
    scroll-margin-top: 20px;
}

.section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.anchor {
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: pointer;
    font-size: 0.8em;
}

.section:hover .anchor {
    opacity: 0.6;
}

.anchor:hover {
    opacity: 1;
}

.content {
    font-size: 1rem;
    line-height: 1.7;
}

.content p {
    margin-bottom: 16px;
}

/* Contact */
.contact-list {
    list-style: none;
}

.contact-list li {
    margin-bottom: 8px;
}

.contact-list a {
    color: #64b5f6;
    text-decoration: none;
}

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

/* Experience */
.experience-item {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #2a2a2a;
}

.experience-item:last-child {
    border-bottom: none;
}

.job-header {
    margin-bottom: 12px;
}

.job-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 4px;
}

.company {
    font-weight: 500;
    color: #666;
    margin-right: 12px;
}

.period {
    color: #888;
    font-style: italic;
}

.achievements {
    list-style: none;
}

.achievements li {
    margin-bottom: 6px;
    color: #444;
}

/* Education */
.education-item {
    margin-bottom: 20px;
}

.education-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 4px;
}

.institution {
    font-weight: 500;
    color: #666;
    margin-right: 12px;
}

.education-item p {
    margin-top: 8px;
    color: #555;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.skill-category h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    margin-bottom: 12px;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 6px;
    color: #444;
}

/* Projects */
.project-item {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #2a2a2a;
}

.project-item:last-child {
    border-bottom: none;
}

.project-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-item h4 a {
    color: #0066cc;
    text-decoration: none;
}

.project-item h4 a:hover {
    text-decoration: underline;
}

.project-item p {
    color: #555;
    margin-bottom: 8px;
}

/* Awards */
.awards-list {
    list-style: none;
}

.awards-list li {
    margin-bottom: 15px;
    color: #d0d0d0;
}

.awards-list strong {
    color: #ffffff;
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid #404040;
    text-align: center;
    color: #b0b0b0;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    nav {
        gap: 15px;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .job-header {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 20px 0 15px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .section {
        margin-bottom: 35px;
    }
}

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

/* Link styling */
a {
    color: #64b5f6;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Print styles */
@media print {
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
    }
    
    .container {
        max-width: none;
        margin: 0;
        padding: 0;
    }
    
    header {
        page-break-after: avoid;
    }
    
    .section {
        page-break-inside: avoid;
        margin-bottom: 30px;
    }
    
    .anchor {
        display: none;
    }
    
    nav {
        display: none;
    }
    
    a {
        color: #000;
        text-decoration: none;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
        color: #666;
    }
}