/* ============================================================
   About Page — Hero Layout, Research Narrative, Interest Tags, Education Timeline
   ============================================================ */

.about-hero-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Identity Column (Left) */
.about-identity {
    text-align: center;
}

.about-headshot-frame {
    width: 180px;
    height: 180px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--border);
    box-shadow: var(--shadow-md);
}

.about-headshot-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.headshot-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--navy), var(--teal));
    display: flex;
    align-items: center;
    justify-content: center;
}

.headshot-initials {
    font-family: "Source Serif 4", serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--surface);
    letter-spacing: 0.05em;
}

.about-name {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.about-title {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

.about-affiliation {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Narrative Column (Right) */
.about-narrative h3 {
    font-family: "Source Serif 4", serif;
    font-size: 1.25rem;
    color: var(--navy);
    margin-bottom: 0.75rem;
    margin-top: 1.75rem;
}

.about-narrative h3:first-child {
    margin-top: 0;
}

.about-narrative p {
    line-height: 1.75;
    color: var(--text-primary);
    margin-bottom: 0.85rem;
}

/* Interest Tags */
.interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.interest-tag {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--navy);
    background: var(--accent-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    transition: background var(--transition), border-color var(--transition);
}

.interest-tag:hover {
    background: rgba(184, 134, 58, 0.22);
    border-color: var(--gold);
}

/* Education Section */
.about-education-section {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.about-section-heading {
    font-family: "Source Serif 4", serif;
    font-size: 1.25rem;
    color: var(--navy);
    margin-bottom: 1.5rem;
}

.education-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.edu-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1.5rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition);
}

.edu-card:hover {
    box-shadow: var(--shadow-md);
}

.edu-period {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--teal);
    padding-top: 0.15rem;
}

.edu-content h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.3rem;
}

.edu-institution {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.edu-thesis, .edu-advisor, .edu-detail {
    font-size: 0.88rem;
    color: var(--text-primary);
    line-height: 1.55;
    margin-bottom: 0.3rem;
}

.edu-status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--teal);
    background: rgba(60, 122, 118, 0.1);
    border: 1px solid rgba(60, 122, 118, 0.25);
    border-radius: var(--radius-pill);
    margin-top: 0.5rem;
}

/* ============================================================
   Contact Page — Icon Cards Grid
   ============================================================ */

.contact-intro {
    max-width: var(--reading-width);
    margin-bottom: 2rem;
}

.contact-intro p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.contact-icon-card:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
    border-color: var(--gold);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    border-radius: 50%;
    margin-bottom: 1rem;
    color: var(--navy);
}

.contact-icon-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.3rem;
}

.contact-icon-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    word-break: break-all;
}

.contact-affiliation-card {
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    max-width: 480px;
}

.contact-affiliation-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 0.6rem;
}

.contact-affiliation-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================================
   News & Updates Section
   ============================================================ */

.news-section {
    margin-top: 2rem;
}

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

.news-list li {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 1rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
}

.news-list li:last-child {
    border-bottom: none;
}

.news-list time {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--teal);
    white-space: nowrap;
}

.news-list span {
    font-size: 0.92rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* ============================================================
   Site Footer
   ============================================================ */

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface-muted);
    padding: 2rem 1.5rem;
    margin-top: 3rem;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-left p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.footer-updated {
    font-size: 0.78rem !important;
    color: var(--text-muted);
    opacity: 0.7;
    margin-top: 0.2rem !important;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--navy);
}

.footer-divider {
    color: var(--text-muted);
    opacity: 0.5;
}

/* ============================================================
   Responsive Overrides
   ============================================================ */

@media (max-width: 768px) {
    .about-hero-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-identity {
        order: -1;
    }

    .about-headshot-frame {
        width: 140px;
        height: 140px;
    }

    .edu-card {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

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

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .news-list li {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}