/* Section Styles */

/* About Section */
.about-content {
    display: block;
}

.about-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.stat-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
    transform: translateY(-4px);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.skill-item:hover {
    border-color: var(--color-primary);
    transform: translateX(8px);
}

.skill-icon {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.skill-name {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* About Images Gallery */
.about-images {
    margin-top: 0;
}

.about-main .about-images {
    margin-top: var(--spacing-lg);
}

.image-gallery {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
    background: var(--color-bg-card);
    max-width: 300px;
    width: 100%;
}

.gallery-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
    transform: translateY(-4px);
}

.gallery-item:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.3);
    outline: none;
}

.profile-image {
    width: 100%;
    height: auto;
    min-height: 250px;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--transition-base);
}

.gallery-item:hover .profile-image {
    transform: scale(1.05);
}

/* Responsive adjustments for About section */
@media (max-width: 768px) {
    .about-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .image-gallery {
        justify-content: center;
    }
    
    .gallery-item {
        max-width: 250px;
    }
    
    .profile-image {
        min-height: 300px;
    }
}

@media (max-width: 480px) {
    .image-gallery {
        margin-top: var(--spacing-lg);
    }
    
    .gallery-item {
        border-width: 1px;
        max-width: 220px;
    }
    
    .profile-image {
        min-height: 250px;
    }
}

/* High contrast mode support for accessibility */
@media (prefers-contrast: high) {
    .gallery-item {
        border-width: 3px;
        border-color: var(--color-text-primary);
    }
    
    .gallery-item:hover,
    .gallery-item:focus-within {
        border-color: var(--color-primary);
        box-shadow: 0 0 0 4px rgba(0, 243, 255, 0.5);
    }
}

/* Reduced motion support for accessibility */
@media (prefers-reduced-motion: reduce) {
    .gallery-item,
    .profile-image {
        transition: none;
    }
    
    .gallery-item:hover {
        transform: none;
    }
    
    .gallery-item:hover .profile-image {
        transform: none;
    }
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
    transform: translateY(-8px);
}

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

.service-icon {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

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

.service-features {
    list-style: none;
    padding-left: 0;
}

.service-features li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Experience Section - Timeline */
.timeline {
    position: relative;
    padding-left: var(--spacing-3xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--spacing-3xl) - 8px);
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg-primary);
    box-shadow: var(--shadow-glow-primary);
}

.timeline-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

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

.timeline-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.timeline-period {
    display: block;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-md);
}

.timeline-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Certifications Section */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.cert-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.cert-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-glow-secondary);
    transform: translateY(-4px);
}

.cert-badge {
    display: inline-block;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-bg-primary);
    margin: 0 auto var(--spacing-lg);
}

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

.cert-issuer {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.cert-id {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
}

.education-section {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-3xl);
    border-top: 1px solid var(--color-border-muted);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
}

.education-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.education-degree {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.education-field {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.education-school {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.education-period {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-md);
}

.education-details {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* FAQ Section */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-icon {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-4xl);
}

.contact-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.contact-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
}

.contact-details {
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-md);
}

.contact-icon {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-xs);
}

.contact-value {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
    transform: translateY(-4px);
}

/* Contact Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    min-height: 44px;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-md);
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    text-align: center;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.form-status.success {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-status.error {
    background: rgba(255, 0, 85, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

/* Responsive */
@media (max-width: 968px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .education-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--spacing-xl);
    }

    .timeline-marker {
        left: calc(-1 * var(--spacing-xl) - 8px);
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline::before {
        left: 0;
    }

    .timeline-marker {
        left: calc(-1 * var(--spacing-lg) - 8px);
    }

    .faq-question {
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }

    .contact-form {
        padding: var(--spacing-lg);
    }
}