/* ============================================
   About Page Specific Styles
   ============================================ */

/* About Hero */
.about-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    padding-top: calc(var(--spacing-4xl) + 60px);
}

.about-hero-content {
    max-width: 900px;
    text-align: center;
}

.about-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-xl);
}

.about-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-3xl);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Vision Section */
.vision-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.section-content {
    max-width: 1200px;
    margin: 0 auto;
}

.vision-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.vision-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.vision-principles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

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

.principle-item:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.principle-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.principle-item h4 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.principle-item p {
    color: var(--color-text-secondary);
    font-size: 0.938rem;
}

/* Experience Timeline */
.experience-section {
    background: var(--color-bg);
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-border) 0%, var(--color-border-light) 50%, var(--color-border) 100%);
}

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

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

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 8px;
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--color-bg);
}

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

.timeline-content:hover {
    border-color: var(--color-border-light);
    transform: translateX(4px);
}

.timeline-date {
    display: inline-block;
    font-size: 0.813rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    display: block;
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.timeline-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.timeline-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.timeline-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Education Section */
.education-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.education-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-base);
}

.education-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.education-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.education-date {
    display: block;
    font-size: 0.813rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.education-degree {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.education-field {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.education-school {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.education-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: 0.938rem;
}

/* Skills Section */
.skills-section {
    background: var(--color-bg);
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.skills-grid {
    display: grid;
    gap: var(--spacing-3xl);
    max-width: 1200px;
    margin: 0 auto;
}

.skill-category {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
}

.category-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-badge {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.skill-badge:hover {
    border-color: var(--color-border-light);
    color: var(--color-text);
}

.cert-items {
    display: grid;
    gap: var(--spacing-md);
}

.cert-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.cert-item:hover {
    border-color: var(--color-border-light);
    transform: translateX(4px);
}

.cert-item svg {
    flex-shrink: 0;
    color: var(--color-text-secondary);
}

.cert-item h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.cert-item p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Passions Section */
.passions-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.passions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.passion-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-base);
}

.passion-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.passion-emoji {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.passion-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.passion-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: 0.938rem;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .vision-principles {
        grid-template-columns: 1fr;
    }

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

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        padding-left: var(--spacing-2xl);
    }

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

@media (max-width: 480px) {
    .about-title {
        font-size: 2rem;
    }

    .about-subtitle {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}