/* Experience Page Specific Styles */

/* Hero Section */
.services-hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.services-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    opacity: 0.8;
}

.services-hero .hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.services-hero .hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--spacing-6);
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.services-hero .hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Experience Timeline */
.experience-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
}

.experience-item {
    display: flex;
    margin-bottom: var(--spacing-12);
    position: relative;
}

.experience-marker {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-lg);
    margin-right: var(--spacing-6);
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 2;
}

.experience-marker::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.1;
    }
    100% {
        transform: scale(1);
        opacity: 0.3;
    }
}

.experience-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    flex: 1;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.experience-content:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.experience-header h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-semibold);
}

.company {
    display: block;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-1);
}

.duration {
    display: block;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.tech-stack h4 {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-3);
    font-weight: var(--font-semibold);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-medium);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-12);
}

.skill-category {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left var(--transition-slow);
}

.skill-category:hover::before {
    left: 100%;
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.skill-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
    font-size: var(--font-size-2xl);
    color: white;
    transition: all var(--transition-normal);
}

.skill-category:hover .skill-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.skill-category h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    font-weight: var(--font-semibold);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    justify-content: center;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-medium);
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Education Grid */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.education-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.education-card:hover::before {
    transform: scaleX(1);
}

.education-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.education-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.education-header h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
    font-weight: var(--font-semibold);
}

.institution {
    color: var(--text-primary);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-lg);
}

.grade {
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    margin-bottom: var(--spacing-2);
}

.duration {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.education-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: var(--font-size-4xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Responsive Design */
@media (max-width: 768px) {
    .experience-timeline::before {
        left: 20px;
    }
    
    .experience-marker {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-base);
        margin-right: var(--spacing-4);
    }
    
    .experience-content {
        padding: var(--spacing-6);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .services-hero .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    .experience-item {
        flex-direction: column;
        text-align: center;
    }
    
    .experience-marker {
        margin: 0 auto var(--spacing-4);
    }
    
    .experience-timeline::before {
        display: none;
    }
    
    .tech-tags,
    .skill-tags {
        justify-content: center;
    }
}