/* ===== ABOUT PAGE STYLES ===== */
.about-page {
    max-width: 1000px;
    margin: 0 auto;
}

/* Header */
.about-header {
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.about-header h1 {
    font-size: 2.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.about-header .subtitle {
    font-size: 1.1rem;
    color: var(--light-text);
    max-width: 600px;
}

/* Resume Download */
.resume-download {
    margin-bottom: 3rem;
    text-align: right;
}

.resume-download .btn i {
    margin-right: 0.5rem;
}

/* Summary Section */
.summary-section {
    margin-bottom: 4rem;
}

.summary-section h2 {
    margin-bottom: 1.5rem;
}

.summary-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    max-width: 800px;
    padding: 1.5rem;
    background: var(--card-background);
    border-left: 3px solid var(--accent-color);
}

/* Timeline Experience */
.timeline {
    position: relative;
    margin: 2rem 0 4rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-period {
    width: 120px;
    padding-right: 2rem;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
}

.timeline-content {
    flex: 1;
    margin-left: 2rem;
    padding: 1.5rem;
}

.timeline-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.timeline-content .company {
    font-size: 0.95rem;
    color: var(--light-text);
    margin-bottom: 1rem;
    font-style: italic;
}

.achievements {
    list-style: none;
}

.achievements li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    color: var(--text-color);
}

.achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Education Grid */
.education-section {
    margin-bottom: 4rem;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.education-card {
    padding: 1.5rem;
}

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

.education-card .institution {
    font-size: 0.95rem;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.education-card .period {
    font-size: 0.85rem;
    color: var(--light-text);
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.education-card .thesis {
    font-size: 0.9rem;
    color: var(--text-color);
    font-style: italic;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

/* Skills Section */
.skills-section {
    margin-bottom: 3rem;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.skills-category {
    padding: 1.5rem;
}

.skills-category h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-item {
    padding: 0.4rem 1rem;
    background: var(--skill-bg);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.skill-item:hover {
    border-color: var(--accent-color);
    background: var(--accent-color);
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .timeline::before {
        left: 80px;
    }
    
    .timeline-period {
        width: 80px;
        font-size: 0.8rem;
        padding-right: 1rem;
    }
    
    .timeline-content {
        margin-left: 1rem;
        padding: 1rem;
    }
    
    .summary-text {
        font-size: 1rem;
        padding: 1rem;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .timeline-item {
        flex-direction: column;
    }
    
    .timeline::before {
        display: none;
    }
    
    .timeline-period {
        width: auto;
        text-align: left;
        margin-bottom: 0.5rem;
        padding-right: 0;
    }
    
    .timeline-content {
        margin-left: 0;
    }
    
    .resume-download {
        text-align: center;
    }
}