/* About Page Specific Styles */

/* Page background + shell */
.about-page {
    padding-top: 6rem;
    padding-bottom: 4.5rem;
    background:
        radial-gradient(ellipse 90% 60% at 0% 0%, rgba(191, 219, 254, 0.45), transparent 60%),
        radial-gradient(ellipse 70% 50% at 100% 100%, rgba(221, 214, 254, 0.5), transparent 60%),
        linear-gradient(to bottom, #ffffff, #f8fafc 65%, #ffffff);
}

.about-page::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.03) 1px, transparent 0);
    background-size: 18px 18px;
    opacity: 0.5;
    z-index: -1;
}

.about-shell {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

.about-shell-inner {
    display: grid;
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 3rem;
    align-items: flex-start;
}

/* Sidebar */
.about-sidebar {
    position: sticky;
    top: 6.5rem;
    align-self: flex-start;
    z-index: 10;
}

.about-sidebar-nav {
    padding: 1.75rem 1.5rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(226, 232, 240, 0.9);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-sidebar-heading {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--color-gray-500);
}

.about-sidebar-divider {
    width: 100%;
    height: 1px;
    margin: 0.4rem 0 0.8rem;
    background: linear-gradient(to right, rgba(148, 163, 184, 0.6), rgba(226, 232, 240, 0));
}

.about-sidebar-toggle {
    display: none;
    width: 100%;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--color-gray-200);
    background: var(--color-bg-white);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}

.about-sidebar-toggle:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-300);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.about-sidebar-toggle .material-symbols-outlined {
    font-size: 1.1rem;
}

.about-sidebar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}



.about-sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.55rem 0.75rem;
    border-radius: 0.6rem;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    border: 1px solid transparent;
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), transform var(--transition-fast);
}

.about-sidebar-icon {
    font-size: 1.05rem;
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.about-sidebar-label {
    flex: 1 1 auto;
}

.about-sidebar-link.is-active .about-sidebar-icon {
    color: #ffffff;
}

.about-sidebar-link:hover {
    background-color: var(--color-gray-50);
    color: var(--color-primary);
}

.about-sidebar-link.is-active {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 8px 16px -6px rgba(0, 82, 204, 0.35);
}

.about-sidebar-cta {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 0.9rem;
    background-color: rgba(19, 91, 236, 0.05);
    border: 1px solid rgba(19, 91, 236, 0.15);
}

.about-sidebar-cta-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.about-sidebar-cta-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
}

.about-sidebar-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.6rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    background-color: transparent;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background-color var(--transition-base), color var(--transition-base);
}

.about-sidebar-cta-button:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 12px 22px -14px rgba(37, 99, 235, 0.8);
}

/* Main content wrapper */
.about-main {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.about-section {
    position: relative;
}

/* Biography / hero */
.biography-section {
    background: transparent;
}

.biography-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

.biography-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.biography-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1.1rem;
    border-radius: 999px;
    background-color: #e5f0ff;
    /* light blue pill background */
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid rgba(37, 99, 235, 0.16);
    width: fit-content;
}

.biography-badge-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background-color: var(--color-primary);
}

.biography-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
    font-weight: 700;
    color: var(--color-text-primary);
}

@media (min-width: 1024px) {
    .biography-title {
        font-size: 3rem;
    }
}

.biography-title-highlight {
    color: var(--color-primary);
}

.biography-description {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 40rem;
}

.biography-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.biography-btn-primary,
.biography-btn-secondary {
    min-height: 3rem;
    padding: 0 1.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-display);
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* Match appointments button styling */
.biography-btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #7b3ccd);
    color: #ffffff;
    border: 1px solid #000000;
    box-shadow: 0 18px 30px -16px rgba(123, 60, 205, 0.7);
}

.biography-btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 24px 40px -18px rgba(123, 60, 205, 0.8);
}

/* Secondary action - View Publications */
.biography-btn-secondary {
    background-color: #ffffff;
    color: var(--color-primary);
    border: 1px solid #000000;
    box-shadow: 0 18px 30px -16px rgba(123, 60, 205, 0.7);
}

.biography-btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: #000000;
    transform: translateY(-1px);
}

.biography-btn-primary .material-symbols-outlined {
    font-size: 1.1rem;
}

.biography-media {
    display: flex;
    justify-content: center;
}

.biography-image-frame {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 4 / 5;
    border-radius: 1.4rem;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.biography-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    transition: transform 0.8s ease;
}

.biography-image-frame:hover .biography-image {
    transform: scale(1.05);
}

.biography-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.65), transparent 55%);
}

.biography-image-label {
    position: absolute;
    left: 1.5rem;
    bottom: 1.5rem;
    color: #ffffff;
}

.biography-image-years {
    font-size: 0.9rem;
    opacity: 0.9;
}

.biography-image-subtitle {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Philosophy section */
.philosophy-section {
    margin-top: 2.5rem;
}

.philosophy-card {
    position: relative;
    padding: 2.75rem 2.5rem;
    border-radius: 0.85rem;
    background: var(--color-primary);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(226, 232, 240, 0.95);
    overflow: hidden;
}

/* Large decorative opening quote in the background */
.philosophy-card::before {
    content: "\201C";
    position: absolute;
    top: 1.2rem;
    right: 2rem;
    font-size: 5.5rem;
    font-family: var(--font-display);
    color: rgba(15, 23, 42, 0.05);
    pointer-events: none;
}

/* Soft accent quote mark on the left */
.philosophy-card::after {
    content: "\201D";
    position: absolute;
    bottom: -0.8rem;
    left: 1.5rem;
    font-size: 3.5rem;
    font-family: var(--font-display);
    color: rgba(37, 99, 235, 0.06);
    pointer-events: none;
}

.philosophy-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.philosophy-icon-wrapper {
    padding: 0.4rem;
    border-radius: 0.75rem;
    background-color: rgba(19, 91, 236, 0.08);
    color: #ffffff;
}

.philosophy-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #ffffff;
}

.philosophy-quote {
    font-family: var(--font-display);
    font-size: 1.35rem;
    line-height: 1.7;
    color: #ffffff;
    margin-bottom: 2.1rem;
    max-width: 40rem;
    font-weight: 500;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.philosophy-pill {
    padding: 1rem 1.1rem;
    border-radius: 1.1rem;
    background-color: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 6px 14px -10px rgba(15, 23, 42, 0.15);
}

.philosophy-pill-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.35rem;
}

.philosophy-pill-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* Shared section headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.section-header-bar {
    width: 0.25rem;
    height: 2rem;
    border-radius: 999px;
    background-color: var(--color-primary);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* Info cards (Education / Academic) */
.card-grid.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.info-card {
    padding: 1.5rem 1.4rem;
    border-radius: 1.2rem;
    background-color: #ffffff;
    border: 1px solid var(--color-gray-100);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}

.info-card:hover {
    border-color: rgba(19, 91, 236, 0.45);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.info-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
}

.info-card-icon {
    padding: 0.7rem;
    border-radius: 0.9rem;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
}

.info-card-year {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gray-500);
}

.info-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.info-card-location {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.info-card-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.4rem;
}

/* About page now reuses global .timeline-section styles from style.css
   for Professional Milestones, so old about-specific .timeline styles
   have been removed to avoid conflicts. */

/* Impact (Global Impact) */
.impact-section {
    margin-bottom: 1rem;
}

.impact-card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 2rem;
    padding: 2.5rem 2rem;
    border-radius: 1.75rem;
    background-color: #0f172a;
    color: #ffffff;
    overflow: hidden;
}

.impact-card::before,
.impact-card::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.65;
}

.impact-card::before {
    width: 14rem;
    height: 14rem;
    background: rgba(37, 99, 235, 0.45);
    top: -4rem;
    right: -4rem;
}

.impact-card::after {
    width: 14rem;
    height: 14rem;
    background: rgba(56, 189, 248, 0.25);
    bottom: -4rem;
    left: -4rem;
}

.impact-text,
.impact-media-grid {
    position: relative;
    z-index: 1;
}

.impact-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: #bfdbfe;
}

.impact-title {
    font-family: var(--font-display);
    font-size: 2.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.impact-description {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #e5e7eb;
    margin-bottom: 1.75rem;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.impact-stat-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.impact-stat-label {
    font-size: 0.8rem;
    color: #9ca3af;
}

.impact-media-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.impact-media-item {
    border-radius: 1rem;
    overflow: hidden;
}

.impact-media-item:nth-child(2),
.impact-media-item:nth-child(4) {
    margin-top: 1.25rem;
}

.impact-image {
    width: 100%;
    height: 11.5rem;
    object-fit: cover;
    display: block;
}

/* Simple reveal animation hooks */
.about-section,
.biography-section,
.impact-section {
    opacity: 0;
    transform: translateY(26px);
    transition:
        opacity 500ms cubic-bezier(0.22, 0.61, 0.36, 1),
        transform 500ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.about-section.is-visible,
.biography-section.is-visible,
.impact-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-shell {
        padding: 1.75rem 1.25rem 3rem;
    }

    .about-shell-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.5rem;
    }

    .about-sidebar {
        position: static;
    }

    .about-sidebar-toggle {
        display: inline-flex;
    }
}

@media (max-width: 768px) {
    .biography-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .impact-card {
        grid-template-columns: minmax(0, 1fr);
    }

    .impact-media-grid {
        grid-template-columns: 1fr;
    }

    .impact-media-item:nth-child(2),
    .impact-media-item:nth-child(4) {
        margin-top: 0;
    }
}

@media (prefers-reduced-motion: reduce) {

    .about-section,
    .biography-section,
    .impact-section,
    .biography-image,
    .impact-card {
        transition: none !important;
    }
}