/* About Hero */
.hero-about {
    background-color: var(--color-surface);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.profile-photo-large {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    background-color: var(--color-surface-alt);
}

.profile-intro {
    flex: 1;
    min-width: 300px;
    text-align: left;
}

.profile-intro h1 {
    margin-bottom: var(--space-sm);
    text-align: left;
}

.profile-title {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    font-weight: var(--font-weight-semibold);
}

.profile-tagline {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-xl);
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    max-width: 800px;
    margin: var(--space-2xl) auto;
    position: relative;
    padding-left: var(--space-2xl);
}

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

.timeline-item {
    display: flex;
    gap: var(--space-lg);
    position: relative;
}

.timeline-date {
    flex: 0 0 150px;
    text-align: right;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    padding-top: var(--space-xs);
}

.timeline-content {
    flex: 1;
    background-color: var(--color-surface-alt);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.timeline-company {
    font-style: italic;
    margin-bottom: var(--space-md);
    color: var(--color-text-light);
}

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

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

.timeline-highlights li::before {
    content: "•";
    color: var(--color-primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Approach List */
.approach-list {
    list-style: none;
    padding: 0;
    margin: var(--space-2xl) auto;
    max-width: 600px;
}

.approach-list li {
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    background-color: var(--color-surface-alt);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    color: var(--color-text);
}

.approach-list strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: var(--space-xs);
}

/* Education Grid */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin: var(--space-2xl) auto;
    max-width: 800px;
}

.education-item {
    background-color: var(--color-surface-alt);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border-top: 4px solid var(--color-primary);
}

.education-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-align: left;
}

.education-institution {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.education-date {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.education-item h4 {
    color: var(--color-text);
    margin: var(--space-lg) 0 var(--space-md);
    font-size: 1rem;
    text-align: left;
}

.education-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.education-item li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-light);
    position: relative;
    padding-left: var(--space-lg);
}

.education-item li:last-child {
    border-bottom: none;
}

/* Responsive about page */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xl);
    }

    .profile-intro {
        text-align: center;
    }

    .profile-intro h1,
    .profile-title,
    .profile-tagline {
        text-align: center;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        gap: var(--space-md);
    }

    .timeline-date {
        text-align: left;
        padding-left: var(--space-xl);
        position: relative;
    }

    .timeline-date::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 12px;
        height: 12px;
        background-color: var(--color-primary);
        border-radius: 50%;
        border: 3px solid var(--color-background);
        z-index: 1;
    }

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

@media (max-width: 480px) {
    .hero-about {
        padding: var(--space-2xl) var(--space-md);
    }

    .profile-photo-large {
        width: 150px;
        height: 150px;
    }

    .timeline-content {
        padding: var(--space-md);
    }

    .education-item {
        padding: var(--space-lg);
    }

    .timeline {
        padding-left: var(--space-lg);
    }

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

    .timeline-date {
        padding-left: var(--space-lg);
    }

    .timeline-date::before {
        left: 4px;
    }
}