/**
 * About page — professional B2B editorial layout
 */

.ab-page {
    overflow-x: hidden;
    background: var(--bg-primary);
}

/* ── Shared typography ── */
.ab-eyebrow {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-gold-dark);
    margin: 0 0 14px;
}

.ab-eyebrow--dark {
    color: var(--color-gold-dark);
}

.ab-section-head {
    max-width: 560px;
    margin-bottom: 52px;
}

.ab-section-head h2 {
    font-family: var(--font-display);
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    line-height: 1.2;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.ab-section-head p {
    margin: 14px 0 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}

.ab-section-head--light .ab-eyebrow {
    color: var(--color-gold-light);
}

.ab-section-head--light h2,
.ab-section-head--light p {
    color: var(--text-light);
}

.ab-section-head--light p {
    color: var(--text-on-dark-muted);
}

.ab-body-lg {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ── Hero ── */
.ab-hero {
    position: relative;
    padding: calc(var(--header-height) + var(--announcement-height) + 64px) 0 0;
    background: #faf8f4;
    border-bottom: 1px solid var(--border-light);
}

.ab-hero-media {
    position: absolute;
    top: 0;
    right: 0;
    width: min(48vw, 620px);
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.ab-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.ab-hero-media-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #faf8f4 0%, rgba(250, 248, 244, 0.85) 18%, rgba(250, 248, 244, 0.2) 55%, transparent 100%);
}

.ab-hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: end;
    padding-bottom: 72px;
    min-height: clamp(420px, 58vh, 520px);
}

.ab-hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.2vw, 3rem);
    line-height: 1.12;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 20px;
    max-width: 14ch;
}

.ab-hero-content h1 span {
    display: block;
    font-weight: 500;
    color: var(--color-gold-dark);
    font-size: 0.72em;
    margin-top: 6px;
    letter-spacing: 0.02em;
}

.ab-hero-lede {
    max-width: 480px;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-secondary);
    margin: 0 0 28px;
}

.ab-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.ab-hero-ghost {
    background: transparent;
}

.ab-hero-aside {
    align-self: center;
    padding: 32px 28px;
    background: var(--color-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(26, 24, 20, 0.06);
}

.ab-hero-metric {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
}

.ab-hero-metric:last-of-type {
    border-bottom: none;
    margin-bottom: 8px;
}

.ab-hero-metric-val {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.ab-hero-metric-lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: right;
    line-height: 1.35;
}

.ab-hero-certs {
    list-style: none;
    margin: 16px 0 0;
    padding: 16px 0 0;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ab-hero-certs li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.ab-hero-certs i {
    color: var(--color-gold-dark);
    font-size: 0.7rem;
}

/* ── Statement band ── */
.ab-statement {
    padding: 48px 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--border-light);
}

.ab-statement-inner {
    display: flex;
    align-items: center;
    gap: clamp(24px, 4vw, 48px);
    flex-wrap: wrap;
}

.ab-statement-logos {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.ab-statement-divider {
    width: 1px;
    height: 36px;
    background: var(--border-light);
}

.ab-statement-quote {
    margin: 0;
    flex: 1;
    min-width: 240px;
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.5;
    color: var(--text-primary);
    font-weight: 500;
    border: none;
    padding: 0;
}

/* ── Pillars ── */
.ab-pillars {
    padding: 96px 0;
}

.ab-pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.ab-pillar {
    padding: 36px 32px 40px;
    background: var(--color-white);
    transition: background 0.35s ease;
}

.ab-pillar:hover {
    background: #fdfcf9;
}

.ab-pillar-num {
    display: block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gold);
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}

.ab-pillar h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin: 0 0 12px;
    color: var(--text-primary);
}

.ab-pillar p {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ── Narrative ── */
.ab-narrative {
    padding: 96px 0;
    background: var(--bg-secondary);
}

.ab-narrative-grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 64px;
    align-items: start;
}

.ab-narrative-copy h2 {
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 2.8vw, 2.1rem);
    line-height: 1.22;
    margin: 0 0 24px;
}

.ab-narrative-copy p {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.ab-principles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 36px;
    padding-top: 36px;
    border-top: 1px solid var(--border-light);
}

.ab-principle h4 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold-dark);
    margin: 0 0 8px;
}

.ab-principle p {
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.65;
}

.ab-narrative-visual {
    margin: 0;
    position: relative;
}

.ab-narrative-visual img {
    width: 100%;
    display: block;
    border-radius: var(--radius-lg);
    aspect-ratio: 4 / 5;
    object-fit: cover;
    box-shadow: 0 24px 60px rgba(26, 24, 20, 0.1);
}

.ab-narrative-visual figcaption {
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
}

/* ── Heritage timeline ── */
.ab-heritage {
    padding: 96px 0;
    background: var(--color-white);
}

.ab-heritage-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 64px;
    align-items: start;
}

.ab-heritage-intro {
    position: sticky;
    top: calc(var(--header-height) + var(--announcement-height) + 32px);
}

.ab-heritage-intro h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    margin: 0 0 14px;
}

.ab-heritage-intro p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0;
}

.ab-heritage-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 2px solid rgba(212, 175, 55, 0.35);
}

.ab-heritage-item {
    position: relative;
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 24px;
    padding: 0 0 40px 28px;
}

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

.ab-heritage-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--color-white);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ab-heritage-item.is-active::before {
    transform: scale(1.2);
    box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
}

.ab-heritage-item time {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-gold-dark);
    padding-top: 2px;
}

.ab-heritage-item h4 {
    font-size: 1rem;
    margin: 0 0 6px;
    font-weight: 600;
}

.ab-heritage-item p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ── Factory tour ── */
.ab-tour {
    padding: 96px 0;
    background: var(--color-charcoal);
}

.ab-tour-stage {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ab-tour-feature {
    margin: 0;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #111;
}

.ab-tour-open {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: none;
    cursor: zoom-in;
    line-height: 0;
}

.ab-tour-feature img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
}

.ab-tour-feature:hover img {
    transform: scale(1.02);
}

.ab-tour-feature figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 48px 28px 24px;
    background: linear-gradient(180deg, transparent, rgba(8, 8, 10, 0.92));
    pointer-events: none;
}

.ab-tour-feature figcaption strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.ab-tour-feature figcaption span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.72);
}

.ab-tour-thumbs {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}

.ab-tour-thumb {
    padding: 0;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.04);
    opacity: 0.55;
    transition: opacity 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.ab-tour-thumb:hover {
    opacity: 0.85;
}

.ab-tour-thumb.is-active {
    opacity: 1;
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.ab-tour-thumb img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    display: block;
}

/* Lightbox */
.ab-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(8, 8, 10, 0.94);
    backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.ab-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.ab-lightbox[hidden] {
    display: none;
}

.ab-lightbox:not([hidden]).is-open {
    display: flex;
}

.ab-lightbox-figure {
    margin: 0;
    max-width: min(1100px, 96vw);
    width: 100%;
}

.ab-lightbox-img {
    width: 100%;
    max-height: min(72vh, 780px);
    object-fit: contain;
    border-radius: var(--radius-md);
}

.ab-lightbox-caption {
    margin-top: 16px;
    text-align: center;
}

.ab-lightbox-caption strong {
    display: block;
    font-family: var(--font-display);
    color: var(--color-gold-light);
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.ab-lightbox-caption span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.88rem;
}

.ab-lightbox-close,
.ab-lightbox-prev,
.ab-lightbox-next {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s ease, border-color 0.25s ease;
}

.ab-lightbox-close:hover,
.ab-lightbox-prev:hover,
.ab-lightbox-next:hover {
    background: rgba(212, 175, 55, 0.15);
    border-color: rgba(212, 175, 55, 0.45);
    color: var(--color-gold-light);
}

.ab-lightbox-close { top: 20px; right: 20px; }
.ab-lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.ab-lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

/* ── Expertise links ── */
.ab-expertise {
    padding: 96px 0;
    background: var(--bg-primary);
}

.ab-expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--border-light);
}

.ab-expertise-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 28px 8px 28px 0;
    border-bottom: 1px solid var(--border-light);
    color: inherit;
    transition: padding-left 0.35s cubic-bezier(0.22, 1, 0.36, 1), color 0.25s ease;
}

.ab-expertise-link:nth-child(odd) {
    padding-right: 32px;
    border-right: 1px solid var(--border-light);
}

.ab-expertise-link:nth-child(even) {
    padding-left: 32px;
}

.ab-expertise-link:hover {
    padding-left: 12px;
    color: var(--color-gold-dark);
}

.ab-expertise-link:nth-child(even):hover {
    padding-left: 44px;
}

.ab-expertise-text strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.ab-expertise-text em {
    display: block;
    font-style: normal;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.ab-expertise-link i {
    flex-shrink: 0;
    font-size: 0.85rem;
    color: var(--color-gold);
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.ab-expertise-link:hover i {
    opacity: 1;
    transform: translateX(0);
}

/* ── Partner section ── */
.ab-partner {
    padding: 96px 0;
    background: var(--bg-secondary);
}

.ab-partner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.ab-partner-copy h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.6vw, 2rem);
    margin: 0 0 16px;
}

.ab-partner-types {
    list-style: none;
    margin: 28px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ab-partner-types li {
    position: relative;
    padding-left: 18px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.ab-partner-types li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
}

.ab-partner-card {
    padding: 36px 32px;
    background: var(--color-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px rgba(26, 24, 20, 0.05);
}

.ab-partner-card-head {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.ab-partner-card-head i {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 10px;
    color: var(--color-gold-dark);
    flex-shrink: 0;
}

.ab-partner-card-head h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin: 0 0 4px;
}

.ab-partner-card-head p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.ab-partner-card-note {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0 0 20px;
}

.ab-partner-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.ab-partner-badges span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-pill);
    color: var(--text-secondary);
}

.ab-partner-badges i {
    color: var(--color-gold-dark);
    font-size: 0.7rem;
}

.ab-partner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* ── CTA ── */
.ab-cta {
    padding: 72px 0 96px;
    background: var(--color-charcoal);
}

.ab-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.ab-cta-inner h2 {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.4vw, 1.75rem);
    color: var(--text-light);
    margin: 0 0 8px;
}

.ab-cta-inner p {
    margin: 0;
    color: var(--text-on-dark-muted);
    font-size: 0.92rem;
}

.ab-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* ── Reveals ── */
.ab-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--ab-delay, 0ms);
}

.ab-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.ab-reveal-d1 { --ab-delay: 80ms; }
.ab-reveal-d2 { --ab-delay: 160ms; }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .ab-hero-media {
        width: 55vw;
        opacity: 0.7;
    }

    .ab-pillar-grid {
        grid-template-columns: 1fr;
    }

    .ab-heritage-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .ab-heritage-intro {
        position: static;
    }

    .ab-tour-thumbs {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .ab-hero {
        padding-top: calc(var(--header-height) + var(--announcement-height) + 40px);
    }

    .ab-hero-media {
        position: relative;
        width: 100%;
        height: 220px;
        opacity: 1;
    }

    .ab-hero-media-shade {
        background: linear-gradient(180deg, transparent 40%, #faf8f4 100%);
    }

    .ab-hero-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        min-height: auto;
        padding-bottom: 48px;
    }

    .ab-hero-content h1 {
        max-width: none;
    }

    .ab-statement-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .ab-narrative-grid,
    .ab-partner-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .ab-principles {
        grid-template-columns: 1fr;
    }

    .ab-expertise-grid {
        grid-template-columns: 1fr;
    }

    .ab-expertise-link:nth-child(odd) {
        border-right: none;
        padding-right: 0;
    }

    .ab-expertise-link:nth-child(even) {
        padding-left: 0;
    }

    .ab-expertise-link:hover,
    .ab-expertise-link:nth-child(even):hover {
        padding-left: 8px;
    }

    .ab-tour-thumbs {
        grid-template-columns: repeat(3, 1fr);
    }

    .ab-cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .ab-cta-actions {
        width: 100%;
    }

    .ab-cta-actions a {
        flex: 1;
        text-align: center;
        justify-content: center;
    }

    .ab-partner-actions {
        flex-direction: column;
        width: 100%;
    }

    .ab-partner-actions a {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .ab-pillars,
    .ab-narrative,
    .ab-heritage,
    .ab-tour,
    .ab-expertise,
    .ab-partner {
        padding: 72px 0;
    }

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

    .ab-heritage-item {
        grid-template-columns: 56px 1fr;
        gap: 16px;
        padding-left: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ab-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .ab-tour-feature img {
        transition: none;
    }
}