/* Experience Page Styles - Confident Simplicity */

/* Main Content */
.experience-main {
    padding-top: 80px; /* Account for fixed navigation */
    min-height: 100vh;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface-alt) 100%);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* Skills Section */
.skills-section {
    padding: var(--space-3xl) 0;
    background: var(--color-surface);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-3xl);
    color: var(--color-text-primary);
}

.skills-grid {
    margin-top: var(--space-2xl);
}

.skill-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    border: 1px solid var(--color-border);
    text-align: center;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: block;
}

.skill-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.skill-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
}

.skill-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-surface-alt);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: 500;
    border: 1px solid var(--color-border);
}

/* Resume Section */
.resume-section {
    padding: var(--space-3xl) 0;
    background: var(--color-surface-alt);
}

.resume-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.resume-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
}

.resume-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.resume-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
}

/* Experience Timeline */
.experience-timeline-section {
    padding: var(--space-3xl) 0;
    background: var(--color-surface);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
    padding-left: 80px;
    opacity: 0;
    transform: translateX(-20px);
    transition: var(--transition-slow);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    position: absolute;
    left: 22px;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border-radius: 50%;
    border: 3px solid var(--color-surface);
    box-shadow: 0 0 0 3px var(--color-border);
}

.timeline-content {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.timeline-header {
    margin-bottom: var(--space-md);
}

.timeline-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

.timeline-company {
    display: block;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.timeline-date {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

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

.timeline-achievements li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.timeline-achievements li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Back Section */
.back-section {
    padding: var(--space-2xl) 0;
    background: var(--color-surface-alt);
}

/* Footer */
.footer {
    background: var(--color-text-primary);
    color: var(--color-surface);
    text-align: center;
    padding: var(--space-2xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.footer-social-links {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.footer-social-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-surface);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.footer-social-link svg {
    width: 20px;
    height: 20px;
}

.footer p {
    color: #cccccc;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .experience-main {
        padding-top: 70px;
    }
    
    .page-header {
        padding: var(--space-2xl) 0 var(--space-lg);
    }
    
    .page-title {
        font-size: var(--font-size-3xl);
    }
    
    .page-subtitle {
        font-size: var(--font-size-base);
    }
    
    .skills-section,
    .resume-section,
    .experience-timeline-section {
        padding: var(--space-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-2xl);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        left: 12px;
        width: 12px;
        height: 12px;
    }
    
    .footer-social-links {
        flex-direction: column;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: var(--font-size-2xl);
    }
    
    .skill-icon {
        font-size: 2rem;
    }
    
    .resume-icon {
        font-size: 2.5rem;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .timeline-marker {
        left: 8px;
        width: 10px;
        height: 10px;
    }
    
    .timeline-title {
        font-size: var(--font-size-base);
    }
}

/* Animation Delays */
.animate-fade-in.visible {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-slide-up.visible {
    animation: slideUp 0.8s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Staggered Animation Delays */
.animate-slide-up:nth-child(1) { animation-delay: 0.1s; }
.animate-slide-up:nth-child(2) { animation-delay: 0.2s; }
.animate-slide-up:nth-child(3) { animation-delay: 0.3s; }
.animate-slide-up:nth-child(4) { animation-delay: 0.4s; }
.animate-slide-up:nth-child(5) { animation-delay: 0.5s; }
.animate-slide-up:nth-child(6) { animation-delay: 0.6s; }

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .skill-card,
    .resume-card,
    .timeline-content {
        border: 2px solid var(--color-border);
    }
    
    .timeline::before {
        background: var(--color-text-primary);
    }
    
    .timeline-marker {
        border: 3px solid var(--color-text-primary);
    }
}