/**
 * Glowstone - About Page Styles
 * Responsive, performant, accessible, SEO-friendly
 */

/* Scroll offset for fixed navbar */
.about-section,
.about-banner,
.about-values,
.about-cta,
#history,
#sustainability,
#certifications,
#projects,
#global-presence,
#swot,
#explore-more {
    scroll-margin-top: 70px;
}

/* ===== Hero - Video Background ===== */
.about-hero {
    position: relative;
    min-height: 75vh;
    min-height: 75dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-hero-video {
    position: absolute;
    inset: 0;
    background-color: #0f0f0f; /* no poster image — solid fill until video fades in */
}

/* Transparent shield over the YouTube iframe: the player can never be
   hovered/tapped, so its play/pause controls never appear and nothing is
   clickable — the video stays purely decorative. */
.about-hero-video::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    cursor: default;
}

.about-hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: videoFadeIn 2s ease-out;
}

/* YouTube embed sized to fully cover the hero (16:9, centred, cropped).
   scale(1.35) zooms in so YouTube's title bar (top) and watermark (bottom)
   are pushed outside the visible hero area and clipped away. */
.about-hero-video iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.35);
    width: 100vw;
    height: 56.25vw;          /* 16:9 height for full viewport width */
    min-height: 100%;
    min-width: 177.78vh;      /* 16:9 width for full viewport height */
    border: 0;
    pointer-events: none;     /* background only — not interactive */
    animation: videoFadeIn 2s ease-out;
}

@keyframes videoFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.about-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        to bottom,
        rgba(15, 15, 15, 0.2) 0%,
        rgba(15, 15, 15, 0.4) 50%,
        rgba(15, 15, 15, 0.7) 100%
    );
    animation: overlayFadeIn 1.5s ease-out;
}

@keyframes overlayFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.about-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.about-hero-content h1:not(.visually-hidden) {
    font-size: clamp(2.65rem, 6.2vw, 4.75rem);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: 0.02em;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.about-hero-content h1:not(.visually-hidden)::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: var(--navbar-accent);
    margin: 1rem auto 0;
    animation: lineExpand 0.8s ease-out 0.8s forwards;
}

@keyframes lineExpand {
    to { width: 80px; }
}

.about-hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.35rem);
    font-weight: 500;
    color: rgba(235, 228, 216, 0.95);
    letter-spacing: 0.08em;
    animation: fadeInUp 1s ease-out 0.5s both;
}

/* Hero - Image variant (sub-pages) */
.about-hero-image {
    min-height: 50vh;
    min-height: 50dvh;
}

@media (max-width: 768px) {
    .about-hero-image {
        min-height: 40vh;
        min-height: 40dvh;
    }
}

.about-hero-bg-image {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #1a1a1a;
}

.about-breadcrumb {
    display: block;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.about-breadcrumb a {
    color: var(--navbar-accent);
    text-decoration: none;
}

.about-breadcrumb a:hover {
    text-decoration: underline;
}

.about-breadcrumb span {
    color: rgba(235, 228, 216, 0.62);
}

@media (max-width: 576px) {
    .about-breadcrumb {
        font-size: 0.8rem;
        line-height: 1.45;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
}

/* ===== Section Base ===== */
.about-section {
    padding: 6rem 0;
}

.about-tech,
.about-sustainability,
.about-timeline {
    background: #0f0f0f;
}

.about-production {
    background: #1a1a1a;
}

.about-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.about-section-header .section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--navbar-accent);
    margin-bottom: 0.75rem;
}

.about-heading {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--text-light);
    line-height: 1.2;
}

.about-content .section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    color: var(--navbar-accent);
    margin-bottom: 1rem;
}

.about-content .section-label::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--navbar-accent);
    margin-top: 0.5rem;
    opacity: 0.6;
}

.about-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(232, 228, 223, 0.85);
    margin-bottom: 1.25rem;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* About page — “About Glowstone” intro: centered copy + balanced image */
.about-intro-centered .about-content {
    text-align: center;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.about-intro-centered .about-intro-centered-row > .col-lg-6 {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-intro-centered .about-image {
    width: 100%;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.about-image {
    border-radius: 8px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-image.animate-on-scroll.visible img {
    animation: imageZoomIn 1s ease-out forwards;
}

@keyframes imageZoomIn {
    from {
        transform: scale(1.05);
        opacity: 0.9;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== Banner ===== */
.about-banner {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1a1612 0%, #0f0f0f 100%);
    border-top: 1px solid rgba(201, 169, 98, 0.15);
    border-bottom: 1px solid rgba(201, 169, 98, 0.15);
}

.about-banner.animate-on-scroll .about-banner-content {
    opacity: 0;
}

.about-banner.animate-on-scroll.visible .about-banner-content {
    animation: bannerReveal 1s ease-out forwards;
}

@keyframes bannerReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-banner-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.about-banner-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.about-banner-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(232, 228, 223, 0.85);
}

/* Certificates grid */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem 2rem;
    margin-top: 3rem;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.certificate-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1rem;
    background: rgba(235, 228, 216, 0.04);
    border: 1px solid rgba(201, 169, 98, 0.25);
    border-radius: 10px;
}

.certificate-item .cert-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: #f8f8f8;
    border-radius: 8px;
    padding: 8px;
    flex-shrink: 0;
}

.certificate-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.certificate-item span {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--navbar-accent);
    text-align: center;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767.98px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 2rem;
    }

    .certificate-item {
        padding: 1rem 0.75rem;
    }

    .certificate-item .cert-logo-wrap {
        width: 80px;
        height: 80px;
        padding: 6px;
    }
}

/* ===== Benefits (Easy maintaining, Food safe, Heat resistant) ===== */
.about-benefits {
    background: #1a1a1a;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(235, 228, 216, 0.03);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: 8px;
    transition: border-color 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.benefit-card.visible {
    animation: benefitReveal 0.6s ease-out forwards;
}

.benefit-card:nth-child(1).visible { animation-delay: 0.1s; }
.benefit-card:nth-child(2).visible { animation-delay: 0.25s; }
.benefit-card:nth-child(3).visible { animation-delay: 0.4s; }

@keyframes benefitReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.benefit-icon {
    display: block;
    font-size: 1.5rem;
    color: var(--navbar-accent);
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.benefit-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: rgba(232, 228, 223, 0.8);
    margin: 0;
}

@media (hover: hover) {
    .benefit-card:hover {
        border-color: var(--navbar-accent);
        transform: translateY(-4px);
    }
}

/* ===== Quartz Characteristics - Pacific-style Gallery ===== */
.about-characteristics {
    background: #0f0f0f;
}

.characteristics-intro {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(232, 228, 223, 0.8);
    max-width: 500px;
    margin: 0 auto;
}

.characteristics-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    max-width: 700px;
    margin: 1.5rem auto 0;
}

.gallery-item {
    padding: 0.5rem;
    background: var(--surface-elevated);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.gallery-item img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    border-radius: 4px;
}

/* Prevent layout shift */
.gallery-item {
    min-height: 0;
}

/* ===== Timeline ===== */
.about-timeline {
    background: #0f0f0f;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(235, 228, 216, 0.08);
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-item:nth-child(1).visible { transition-delay: 0.1s; }
.timeline-item:nth-child(2).visible { transition-delay: 0.25s; }
.timeline-item:nth-child(3).visible { transition-delay: 0.4s; }

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

.timeline-year {
    font-size: 2rem;
    font-weight: 600;
    color: var(--navbar-accent);
    line-height: 1;
}

.timeline-content h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.timeline-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(232, 228, 223, 0.8);
}

/* ===== Values ===== */
.about-values {
    padding: 6rem 0;
    background: #1a1a1a;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(235, 228, 216, 0.03);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: 8px;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
}

.value-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
}

.value-card:nth-child(1).visible { transition-delay: 0.1s; }
.value-card:nth-child(2).visible { transition-delay: 0.25s; }
.value-card:nth-child(3).visible { transition-delay: 0.4s; }

@media (hover: hover) {
    .value-card:hover {
        border-color: var(--navbar-accent);
        transform: translateY(-8px) scale(1.02);
        box-shadow: 0 12px 40px rgba(201, 169, 98, 0.15);
    }

    .value-card:hover .value-number {
        transform: scale(1.1);
    }

    .about-cta-content .btn-hero:hover {
        background: var(--surface-elevated);
        color: #0f0f0f;
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(245, 240, 234, 0.35);
    }
}

@media (hover: none) {
    .about-cta-content .btn-hero:active {
        background: var(--surface-elevated);
        color: #0f0f0f;
    }
}

.value-number {
    display: block;
    font-size: 3rem;
    font-weight: 600;
    color: var(--navbar-accent);
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
}

.value-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.value-card p {
    font-size: 0.95rem;
    color: rgba(232, 228, 223, 0.75);
    margin: 0;
}

/* ===== CTA ===== */
.about-cta {
    padding: 6rem 0;
    background: linear-gradient(180deg, #0f0f0f 0%, #080808 100%);
}

.about-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.about-cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.about-cta-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(232, 228, 223, 0.85);
    margin-bottom: 2rem;
}

.about-cta-content .btn-hero {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    border: 2px solid var(--text-light);
    transition: all 0.4s ease;
}

.about-cta-content .btn-hero:focus-visible {
    outline: 2px solid var(--navbar-accent);
    outline-offset: 2px;
}

.about-cta-content .btn-hero:active {
    transform: scale(0.98);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
    .about-section {
        padding: 4rem 0;
    }

    .about-section .row.flex-lg-row-reverse {
        flex-direction: column;
    }

    .about-section .row.flex-lg-row-reverse .about-image {
        order: -1;
    }

    .about-section-header {
        margin-bottom: 2rem;
    }

    .about-image img {
        min-height: 280px;
    }

    .timeline {
        max-width: 100%;
    }

    .timeline-item {
        grid-template-columns: 80px 1fr;
        gap: 1.5rem;
    }

    .timeline-year {
        font-size: 1.5rem;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

    .benefit-card {
        padding: 1.75rem 1.25rem;
    }

    .characteristics-gallery {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
}

@media (max-width: 767.98px) {
    .about-hero-content {
        padding: 1.5rem 1rem;
    }

    .about-hero-content h1:not(.visually-hidden) {
        font-size: clamp(1.75rem, 5vw, 2rem);
    }

    .about-hero-subtitle {
        font-size: 1rem;
    }

    .about-section {
        padding: 3.5rem 0;
    }

    .about-content p,
    .about-banner-content p,
    .about-cta-content p {
        font-size: 1rem;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 1.5rem 0;
    }

    .timeline-year {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }

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

    .value-card {
        padding: 2rem 1.5rem;
    }

    .benefits-grid {
        gap: 1.25rem;
    }

    .value-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 575.98px) {
    .about-hero {
        min-height: 70vh;
        min-height: 70dvh;
    }

    .about-hero-image {
        min-height: 35vh;
        min-height: 35dvh;
        padding-top: 65px;
    }

    .about-hero-content h1:not(.visually-hidden) {
        font-size: 1.5rem;
    }

    .about-hero-content h1:not(.visually-hidden)::after {
        margin-top: 0.75rem;
    }

    .about-section {
        padding: 3rem 0;
    }

    .about-image img {
        min-height: 220px;
    }

    .about-banner {
        padding: 3rem 1rem;
    }

    .about-banner-content h2 {
        font-size: 1.5rem;
    }

    .about-values {
        padding: 3rem 0;
    }

    .about-cta {
        padding: 3rem 0;
    }

    .about-cta-content .btn-hero {
        padding: 0.875rem 2rem;
        font-size: 0.85rem;
    }

    .benefit-card h3 {
        font-size: 1.2rem;
    }

    .characteristics-gallery {
        grid-template-columns: 1fr;
        max-width: 100%;
        margin-top: 1rem;
    }

    .characteristics-intro {
        font-size: 0.95rem;
    }

    .gallery-item {
        padding: 0.4rem;
    }
}

/* Safe area for notched devices */
@supports (padding: max(0px)) {
    .about-hero-content {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}

/* Touch devices - remove tap highlight */
.about-cta-content .btn-hero,
.benefit-card,
.value-card {
    -webkit-tap-highlight-color: transparent;
}

/* Section header underline animation */
.about-section-header .section-label {
    position: relative;
}

.about-section-header .section-label::after {
    content: '';
    display: block;
    width: 0;
    height: 1px;
    background: var(--navbar-accent);
    margin: 0.5rem auto 0;
    transition: width 0.6s ease-out;
}

.about-section-header.animate-on-scroll.visible .section-label::after {
    width: 40px;
}

/* Specs cards - slab sizes & thickness */
.about-specs-card {
    background: rgba(235, 228, 216, 0.03);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: 8px;
    padding: 2rem;
}

.about-specs-card h3 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--navbar-accent);
    margin-bottom: 1rem;
}

.about-specs-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-specs-card li {
    font-size: 1rem;
    color: rgba(232, 228, 223, 0.9);
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(235, 228, 216, 0.06);
}

.about-specs-card li:last-child {
    border-bottom: none;
}

.about-specs-card li strong {
    color: var(--navbar-accent);
}

.about-specs-card p {
    font-size: 0.95rem;
    color: rgba(232, 228, 223, 0.85);
    line-height: 1.6;
    margin: 0;
}

/* Explore cards (About sub-pages links) */
.about-explore-card {
    display: block;
    background: rgba(235, 228, 216, 0.03);
    border: 1px solid rgba(58, 170, 140, 0.12);
    border-radius: 8px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    transition: border-color 0.4s, background 0.4s;
}

/* Animated green bottom line — matches the sustainability page cards. */
.about-explore-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3aaa8c, transparent);
    transform: scaleX(0);
    transition: transform 0.6s ease;
}

.about-explore-card.visible::before {
    transform: scaleX(1);
}

.about-explore-card:hover {
    border-color: rgba(58, 170, 140, 0.45);
    background: rgba(58, 170, 140, 0.06);
}

@media (max-width: 575.98px) {
    .about-explore-card {
        padding: 1.5rem 1.25rem;
    }
    .about-explore-card h3 {
        font-size: 1rem;
    }
    .about-explore-card p {
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    .about-explore-card {
        padding: 1.25rem 1rem;
    }
}

.about-explore-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--navbar-accent);
    margin-bottom: 0.75rem;
}

.about-explore-card p {
    font-size: 0.95rem;
    color: rgba(232, 228, 223, 0.85);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.about-explore-link {
    font-size: 0.9rem;
    color: var(--navbar-accent);
    letter-spacing: 0.05em;
}

.about-subheading {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navbar-accent);
    margin-bottom: 1rem;
}

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

.about-projects-list li {
    font-size: 0.95rem;
    color: rgba(232, 228, 223, 0.9);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(235, 228, 216, 0.06);
}

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

.about-projects-list a {
    color: rgba(232, 228, 223, 0.9);
    text-decoration: none;
}

.about-projects-list a:hover {
    color: var(--navbar-accent);
}

/* Where Our Slabs Shine */
.about-global-intro {
    font-size: 1rem;
    color: rgba(232, 228, 223, 0.85);
    margin-bottom: 1.5rem;
    text-align: center;
}

.countries-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.country-tag {
    background: rgba(235, 228, 216, 0.05);
    border: 1px solid rgba(201, 169, 98, 0.3);
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    color: rgba(232, 228, 223, 0.9);
    border-radius: 4px;
}


/* ===== Global Reach / Where Our Slabs Shine ===== */
.gr-section {
    background: linear-gradient(160deg, #f0ece4 0%, #f8f6f2 60%, #edf2f0 100%);
    padding: 60px 0 50px;
    overflow: hidden;
}

/* Light background: heading was white (for dark sections) — switch to charcoal */
.gr-section .about-heading {
    color: #1a1918;
}

.gr-subtitle {
    font-size: 0.88rem;
    color: rgba(26, 25, 24, 0.72);
    margin-top: 0.3rem;
    font-weight: 300;
}

.gr-scene {
    perspective: 1400px;
    width: 100%;
    max-width: 1000px;
    margin: 2rem auto 1.5rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.gr-scene.gr-visible {
    opacity: 1;
    transform: translateY(0);
}

.gr-card {
    transform-style: preserve-3d;
    border-radius: 14px;
}

@keyframes grFloat {
    0%, 100% { transform: rotateX(4deg) rotateY(-1deg) translateY(0); }
    50% { transform: rotateX(2deg) rotateY(1deg) translateY(-8px); }
}

.gr-card:hover {
    animation-play-state: paused;
}

.gr-card-inner {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.1), 0 24px 48px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(235, 228, 216, 0.6);
}

.gr-map-img {
    width: 100%;
    height: auto;
    display: block;
}

.gr-shine {
    position: absolute;
    inset: 0;
    border-radius: 14px;
    background: radial-gradient(circle at 50% 50%, rgba(235, 228, 216, 0.18) 0%, transparent 65%);
    pointer-events: none;
    transition: background 0.1s ease;
    z-index: 5;
}

.gr-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 6;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.gr-dot.gr-dot-in {
    opacity: 1;
}

.gr-dot::before {
    content: '';
    position: absolute;
    inset: 0;
    background: #c9a84c;
    border-radius: 50%;
    border: 1.5px solid var(--text-light);
    box-shadow: 0 2px 6px rgba(201, 168, 76, 0.6);
    z-index: 2;
    transition: background 0.2s, transform 0.2s;
}

.gr-dot::after {
    content: '';
    position: absolute;
    inset: -5px;
    background: rgba(201, 168, 76, 0.35);
    border-radius: 50%;
    animation: grPulse 2.2s ease-out infinite;
    z-index: 1;
}

.gr-dot:nth-child(1)::after { animation-delay: 0s; }
.gr-dot:nth-child(2)::after { animation-delay: 0.2s; }
.gr-dot:nth-child(3)::after { animation-delay: 0.4s; }
.gr-dot:nth-child(4)::after { animation-delay: 0.6s; }
.gr-dot:nth-child(5)::after { animation-delay: 0.8s; }
.gr-dot:nth-child(6)::after { animation-delay: 1s; }
.gr-dot:nth-child(7)::after { animation-delay: 1.2s; }
.gr-dot:nth-child(8)::after { animation-delay: 1.4s; }
.gr-dot:nth-child(9)::after { animation-delay: 1.6s; }
.gr-dot:nth-child(10)::after { animation-delay: 1.8s; }
.gr-dot:nth-child(11)::after { animation-delay: 2s; }

.gr-dot:hover::before {
    background: #3aaa8c;
    transform: scale(1.4);
}

@keyframes grPulse {
    0% { transform: scale(1); opacity: 0.7; }
    70% { transform: scale(3); opacity: 0; }
    100% { transform: scale(1); opacity: 0; }
}

.gr-tooltip {
    position: absolute;
    background: #0d0c0b;
    color: #f5f0ea;
    font-size: var(--text-caption);
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    white-space: nowrap;
    z-index: 20;
    transform: translate(-50%, -160%);
}

.gr-tooltip::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #0d0c0b;
}

.gr-tooltip.visible {
    opacity: 1;
}

.gr-tags-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    max-width: 100%;
    margin: 1.2rem auto 0;
    padding: 0 1rem;
}

.gr-tag {
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    padding: 0.35rem 1rem;
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: 100px;
    color: #0d0c0b;
    background: var(--surface-elevated);
    cursor: pointer;
    transition: all 0.25s ease;
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.gr-tag.gr-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.gr-tag:hover,
.gr-tag.active {
    background: #c9a84c;
    border-color: #c9a84c;
    color: #0d0c0b;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
}

@media (max-width: 991.98px) {
    .gr-scene {
        margin: 1.5rem auto 1rem;
    }
    .gr-dot {
        width: 8px;
        height: 8px;
    }
    .gr-dot::after {
        inset: -4px;
    }
}

@media (max-width: 767.98px) {
    .gr-section {
        padding: 40px 0 35px;
    }
    .gr-card {
        animation: none !important;
        transform: none !important;
    }
    .gr-card-inner {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    .gr-dot {
        width: 7px;
        height: 7px;
    }
    .gr-dot::after {
        inset: -3px;
    }
    .gr-tag {
        font-size: var(--text-caption);
        padding: 0.28rem 0.75rem;
    }
    .gr-shine {
        display: none;
    }
}

@media (max-width: 480px) {
    .gr-dot {
        width: 6px;
        height: 6px;
    }
    .gr-dot::after {
        inset: -3px;
    }
    .gr-tag {
        font-size: var(--text-micro);
        padding: 0.25rem 0.65rem;
    }
}

@media (max-width: 360px) {
    .gr-tags-wrap {
        gap: 0.4rem;
        padding: 0 0.75rem;
    }
    .gr-tag {
        font-size: var(--text-micro);
        padding: 0.22rem 0.5rem;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .about-hero-content h1:not(.visually-hidden),
    .about-hero-subtitle {
        animation: none;
    }

    .about-hero-content h1:not(.visually-hidden)::after {
        animation: none;
        width: 80px;
    }

    .about-image.animate-on-scroll.visible img,
    .about-banner.animate-on-scroll.visible .about-banner-content,
    .timeline-item,
    .value-card,
    .benefit-card {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .gr-scene,
    .gr-card,
    .gr-dot::after,
    .gr-tag {
        animation: none !important;
        transition: none !important;
    }
    .gr-card {
        transform: none !important;
    }
    .gr-dot::after {
        opacity: 0.5;
    }
}