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

/* Page Hero */
.page-hero {
    padding: var(--space-10) 0 var(--space-12);
    text-align: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
}

.breadcrumb a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb-sep {
    color: var(--color-border);
}

.page-title {
    font-size: var(--text-h1);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

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

/* Profile Section */
.profile-section {
    padding: 0 0 var(--space-16);
}

.profile-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-12);
    align-items: start;
}

.profile-image-wrapper {
    position: relative;
}

.profile-image {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.profile-content {
    padding-top: var(--space-4);
}

.profile-name {
    margin-bottom: var(--space-6);
}

.profile-name h2 {
    font-size: var(--text-h2);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.profile-location {
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
}

.profile-bio {
    font-size: var(--text-body);
    line-height: 1.8;
    margin-bottom: var(--space-5);
    color: var(--color-text-secondary);
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.profile-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-body-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    padding: 0;
}

.profile-link:hover {
    color: var(--color-primary);
}

.profile-link svg {
    flex-shrink: 0;
}

/* Skills Section */
.skills-section {
    padding: var(--space-16) 0;
    background: var(--color-surface);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.skill-category {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-6);
}

.skill-category-title {
    font-size: var(--text-body);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-text-primary);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.skill-item {
    font-size: var(--text-body-sm);
    color: var(--color-text-secondary);
    padding: var(--space-1) 0;
}

/* Experience Section */
.experience-section {
    padding: var(--space-16) 0;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-left: 56px;
    padding-bottom: var(--space-10);
}

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

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 6px;
    width: 18px;
    height: 18px;
    background: var(--color-primary);
    border-radius: 50%;
    border: 3px solid var(--color-background);
    z-index: 1;
}

.timeline-title {
    font-size: var(--text-h4);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.timeline-description {
    font-size: var(--text-body-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    line-height: 1.6;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Responsive */
@media (max-width: 1024px) {
    .profile-grid {
        grid-template-columns: 260px 1fr;
        gap: var(--space-8);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .profile-image-wrapper {
        max-width: 280px;
        margin: 0 auto;
    }

    .profile-links {
        justify-content: center;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .timeline::before {
        left: 16px;
    }

    .timeline-item {
        padding-left: 48px;
    }

    .timeline-marker {
        left: 8px;
    }
}