/**
 * About Us（about-us.html 导出）
 * 仅作用于 .sf-about-html-bridge 内，避免影响全站 header/footer。
 */
:root {
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #e94560;
    --color-accent-light: #ff6b6b;
    --color-green: #00b894;
    --color-gold: #fdcb6e;
    --color-text: #2d3436;
    --color-text-light: #636e72;
    --color-border: #e0e0e0;
    --color-white: #FFFFFF;
    --color-bg: #f8f9fa;
    --font-display: 'Roboto Condensed', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    /* 与 .page-header hero 完全一致，供 stats 等区块复用 */
    --about-bridge-hero-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

/* 与顶部 About hero 同色；限定在 .sf-about-html-bridge 内提高优先级，避免 output.css 等覆盖 */
.sf-about-html-bridge .page-header,
.sf-about-html-bridge .stats-section {
    background: var(--about-bridge-hero-bg);
}

html {
    scroll-behavior: smooth;
}

.sf-about-html-bridge {
    font-family: var(--font-body);
    background-color: var(--color-white);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.sf-about-html-bridge * {
    box-sizing: border-box;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-white);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--color-accent);
}

.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.nav-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(233, 69, 96, 0.3);
}

/* Page Header */
.page-header {
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.breadcrumb span {
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb .current {
    color: var(--color-accent-light);
}

/* Section Styles */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-bg {
    background: var(--color-bg);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.section-title {
    /* font-size 由 base.css 统一管理 (h2: 28px) */
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
    color: var(--heading-primary-color);
}

.section-desc {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* Overview Section */
.overview-section {
    padding: 6rem 0;
    background: var(--color-bg);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.overview-content h2 {
    /* font-size 由 base.css 统一管理 (h2: 28px) */
    font-family: var(--font-display);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--heading-primary-color);
    line-height: 1.2;
}

.overview-content p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
}

.overview-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* 覆盖主题或其它样式里对 .feature-item 的粉色 border-left */
.sf-about-html-bridge .overview-features .feature-item {
    border: 1px solid rgba(0, 0, 0, 0.06) !important;
}

.feature-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(233, 69, 96, 0.18);
    /* 圆角矩形左侧会出现「直边 + 上下圆弧」，易被看成多余竖线；改为正圆仅保留粉色底与勾。 */
    border-radius: 50%;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.feature-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-accent);
    display: block;
}

.feature-item span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.35;
}

.image-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1rem;
    min-height: 420px;
}

.gallery-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.gallery-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.gallery-card.large {
    grid-row: 1 / -1;
    padding: 2rem;
}

.gallery-card__placeholder {
    width: 64px;
    height: 64px;
    fill: var(--color-accent);
    opacity: 0.45;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.gallery-card.large .gallery-card__placeholder {
    width: 80px;
    height: 80px;
}

.gallery-card.has-photo {
    padding: 0;
    justify-content: flex-end;
    align-items: stretch;
}

.gallery-card__photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    z-index: 0;
}

.gallery-card__body {
    position: relative;
    z-index: 2;
    padding: 1.5rem;
    text-align: center;
    width: 100%;
}

.gallery-card.large .gallery-card__body {
    padding: 2rem;
}

.gallery-card.has-photo .gallery-card__body {
    margin-top: auto;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.92), rgba(26, 26, 46, 0.2) 65%, transparent);
    text-align: left;
}

.gallery-card.has-photo .gallery-card__body h4 {
    color: var(--color-white);
}

.gallery-card.has-photo .gallery-card__body p {
    color: rgba(255, 255, 255, 0.9);
}

.gallery-card__body h4 {
    color: var(--color-primary);
    font-weight: 700;
}

.gallery-card.large .gallery-card__body h4 {
}

.gallery-card__body p {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-top: 0.35rem;
    margin-bottom: 0;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.75), transparent 55%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 1.25rem;
    pointer-events: none;
}

.gallery-label--in-card {
    display: inline-block;
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.gallery-label {
    color: var(--color-white);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Timeline Section */
.timeline-section {
    padding: 6rem 0;
    background: var(--color-bg);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #cbd5e1, #94a3b8);
    border-radius: 2px;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

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

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
    padding-right: 3rem;
    padding-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    text-align: left;
    padding-left: 3rem;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.timeline-content h5 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    background: var(--color-accent);
    border: 4px solid var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    z-index: 1;
}

/* Stats Section */
.stats-section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-icon {
    width: 72px;
    height: 72px;
    background: rgba(233, 69, 96, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.stat-icon svg {
    width: 36px;
    height: 36px;
    fill: var(--color-accent-light);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Values Section */
.values-section {
    padding: 6rem 0;
}

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

.value-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(255, 107, 107, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.value-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--color-accent);
}

.value-card h4 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.value-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Factory Capabilities Section */
.capabilities-section {
    padding: 6rem 0;
    background: var(--color-bg);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.capabilities-content h2 {
    font-family: var(--font-display);
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    line-height: 1.2;
}

.capabilities-content > p {
    color: var(--color-text-light);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.8;
}

.capability-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.capability-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.capability-icon {
    width: 48px;
    height: 48px;
    background: rgba(233, 69, 96, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.capability-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-accent);
}

.capability-item h5 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.capability-item p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

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

.capability-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: var(--transition);
}

.capability-card:hover {
    transform: scale(1.02);
}

.capability-card.large {
    grid-column: span 2;
    aspect-ratio: 2/1;
}

.capability-card svg {
    width: 48px;
    height: 48px;
    fill: var(--color-accent);
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

.capability-card h4 {
    color: var(--color-primary);
    font-weight: 700;
}

.capability-card p {
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Certifications Section */
.certs-section {
    padding: 6rem 0;
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.cert-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.cert-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(233, 69, 96, 0.1), rgba(255, 107, 107, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.cert-icon svg {
    width: 36px;
    height: 36px;
    fill: var(--color-accent);
}

.cert-card h4 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.cert-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cert-detail {
    font-size: 0.8rem;
    color: var(--color-accent);
    font-weight: 600;
}

/* OUR PRODUCTS — Comprehensive Product Range（仅本页 .about-products-section，避免与全站 product-card 冲突） */
.about-products-section {
    padding: 6rem 0;
    background: var(--color-bg);
}

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

.about-products-section .product-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.about-products-section .product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(233, 69, 96, 0.25);
}

.about-products-section .product-image {
    position: relative;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    overflow: hidden;
}

.about-products-section .product-image.has-photo {
    background: #e8ecf0;
}

.about-products-section .product-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.about-products-section .product-photo-link {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
    line-height: 0;
}

.about-products-section .product-photo-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.about-products-section .product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    z-index: 2;
}

.about-products-section .product-icon {
    width: 100px;
    height: 100px;
}

.about-products-section .product-content {
    padding: 1.75rem 1.5rem 2rem;
}

.about-products-section .product-content h3 {
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.about-products-section .product-content > p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.about-products-section .product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.about-products-section .product-feature {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(233, 69, 96, 0.08);
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--color-accent), #c73e54);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-family: var(--font-display);
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: var(--color-white);
}

.cta .btn-white {
    background: var(--color-white);
    color: var(--color-accent);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.cta .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: var(--color-primary);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 1.5rem 0;
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .overview-grid,
    .capabilities-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .image-gallery {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto;
        min-height: 0;
    }

    .gallery-card.large {
        grid-row: 1 / span 1;
        grid-column: 1 / -1;
        min-height: 260px;
    }

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

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

    .about-products-section .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
    }

    .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        text-align: left;
        padding-left: 60px;
        padding-right: 0;
    }

    .timeline-dot {
        left: 20px;
    }

    .capabilities-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .overview-features {
        grid-template-columns: 1fr;
    }

    .image-gallery {
        grid-template-columns: 1fr;
    }

    .gallery-card.large {
        grid-column: 1;
    }

    .nav-links {
        display: none;
    }

    .section {
        padding: 4rem 0;
    }

    .page-header {
        padding: 140px 0 80px;
    }

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

    .about-products-section .products-grid {
        grid-template-columns: 1fr;
    }

    .capabilities-gallery {
        grid-template-columns: 1fr;
    }

    .capability-card.large {
        grid-column: span 1;
        aspect-ratio: 1;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}