/* ============================================
   CHING MO - About Page Stylesheet
   ============================================ */

/* ===== PAGE HERO ===== */
.page-hero {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: flex-end;
    background: url('/images/about-hero.webp') center/cover no-repeat;
    padding-bottom: var(--space-2xl);
    margin-top: var(--header-height);
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(26, 26, 46, 0.55) 0%,
        rgba(26, 26, 46, 0.92) 100%
    );
    z-index: 1;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
}

.page-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.page-hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    line-height: 1.7;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    margin-bottom: var(--space-md);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.3);
}

.breadcrumb [aria-current="page"] {
    color: var(--color-accent);
    font-weight: 500;
}

/* ===== OUR STORY ===== */
.story-grid {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .story-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

.story-image {
    position: relative;
}

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

.story-image-caption {
    position: absolute;
    bottom: var(--space-md);
    left: var(--space-md);
    right: var(--space-md);
    background: rgba(26, 26, 46, 0.85);
    color: var(--color-accent);
    font-size: 0.85rem;
    font-weight: 500;
    font-style: italic;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    text-align: center;
    backdrop-filter: blur(4px);
}

.story-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1.15;
    margin-bottom: var(--space-md);
}

.story-content .lead {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.story-content p {
    color: var(--color-grey);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.story-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-light-grey);
}

.story-highlight-item {
    text-align: center;
}

.highlight-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.highlight-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-grey);
}

/* ===== VALUES ===== */
.values-section {
    background: var(--color-secondary);
}

.values-section .section-tag {
    color: var(--color-accent);
}

.values-section .section-header h2 {
    color: var(--color-white);
}

.values-section .section-description {
    color: rgba(255, 255, 255, 0.65);
}

.values-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 576px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.value-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.value-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(196, 30, 58, 0.4);
    transform: translateY(-4px);
}

.value-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    border-radius: var(--radius-full);
    background: rgba(196, 30, 58, 0.15);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.value-card:hover .value-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.value-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.value-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

/* ===== TIMELINE ===== */
.timeline-section {
    background: var(--color-off-white);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(
        to bottom,
        var(--color-primary),
        var(--color-accent)
    );
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-xl);
}

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

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-xl) - 7px);
    top: 12px;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-primary);
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-marker {
    background: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent);
    transform: scale(1.2);
}

.timeline-content {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-light-grey);
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
    box-shadow: var(--shadow-md);
    border-color: rgba(196, 30, 58, 0.2);
}

.timeline-year {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.05em;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--color-grey);
    line-height: 1.7;
    margin: 0;
}

/* ===== INSTRUCTORS ===== */
.instructors-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .instructors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .instructors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.instructor-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-light-grey);
    transition: all var(--transition-base);
}

.instructor-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.instructor-image {
    aspect-ratio: 1/1;
    overflow: hidden;
}

.instructor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.instructor-card:hover .instructor-image img {
    transform: scale(1.05);
}

.instructor-body {
    padding: var(--space-lg);
}

.instructor-body h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--space-xs);
}

.instructor-title {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.instructor-body p {
    font-size: 0.9rem;
    color: var(--color-grey);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.instructor-credentials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.credential-badge {
    display: inline-block;
    background: rgba(196, 30, 58, 0.08);
    color: var(--color-primary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===== AFFILIATIONS ===== */
.affiliations-section {
    background: var(--color-off-white);
}

.affiliations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .affiliations-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.affiliation-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-light-grey);
    transition: all var(--transition-base);
    text-align: center;
}

.affiliation-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.affiliation-item img {
    width: 100%;
    max-width: 120px;
    height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.affiliation-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.affiliation-item span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-grey);
    text-align: center;
}

/* ===== WHY SECTION ===== */
.why-grid {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .why-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

.why-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-secondary);
    line-height: 1.15;
    margin-bottom: var(--space-md);
}

.why-content .lead {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

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

.why-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: 0.95rem;
    color: var(--color-dark-grey);
    line-height: 1.6;
}

.why-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(196, 30, 58, 0.1);
    color: var(--color-primary);
    flex-shrink: 0;
}

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