/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #328847;
    --primary-dark: #1e5229;
    --primary-light: #4aa35d;
    --accent-color: #5dbd6e;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.3rem;
    color: var(--primary-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-primary-small {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-light) 100%);
    transition: left 0.3s ease;
    z-index: 0;
}

.btn-primary:hover::before {
    left: 0;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,1) 100%);
    transition: left 0.3s ease;
    z-index: 0;
}

.btn-secondary:hover::before {
    left: 0;
}

.btn-secondary:hover {
    color: var(--primary-color);
}

.btn-secondary > span {
    position: relative;
    z-index: 1;
}

.btn-primary > span {
    position: relative;
    z-index: 1;
}

.btn-primary-small {
    padding: 10px 24px;
    background: var(--accent-color);
    color: var(--white);
    font-size: 0.95rem;
}

.btn-primary-small:hover {
    background: var(--primary-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    height: 70vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #328847 0%, #4aa35d 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(50, 136, 71, 0.65);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 2rem 0;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-cta .btn-primary,
.hero-cta .btn-secondary {
    padding: 18px 48px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hero-cta .btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 50%, #ffa552 100%);
    border: none;
    position: relative;
    overflow: hidden;
}

.hero-cta .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff8c42 0%, #ffa552 50%, #ffb562 100%);
    transition: left 0.4s ease;
    z-index: 0;
}

.hero-cta .btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 32px rgba(255, 107, 53, 0.4);
}

.hero-cta .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    border: 3px solid var(--white);
    backdrop-filter: blur(10px);
    color: var(--white);
}

.hero-cta .btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: left 0.4s ease;
    z-index: 0;
}

.hero-cta .btn-secondary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 32px rgba(255, 255, 255, 0.3);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.25);
}

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

/* Trust Badges - Scrolling Certifications */
.trust-badges {
    background: var(--white);
    padding: 0;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.trust-badges .container {
    max-width: 100%;
    padding: 0;
}

.certifications-scroll {
    width: 100%;
    overflow: hidden;
    position: relative;
    min-height: 70px;
    display: block;
}

.certifications-scroll::before,
.certifications-scroll::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.certifications-scroll::before {
    left: 0;
    background: linear-gradient(to right, var(--white) 0%, transparent 100%);
}

.certifications-scroll::after {
    right: 0;
    background: linear-gradient(to left, var(--white) 0%, transparent 100%);
}

.certifications-track {
    display: flex;
    gap: 1rem;
    animation: scroll 60s linear infinite;
    width: fit-content;
    align-items: center;
}

.certifications-track:hover {
    animation-play-state: paused;
}

.cert-logo {
    flex-shrink: 0;
    width: 100px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    transition: var(--transition);
    overflow: visible;
}

.cert-logo:hover {
    transform: scale(1.05);
}

.cert-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    display: block !important;
    margin: auto;
    visibility: visible !important;
    opacity: 1 !important;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Advantages Section */
.advantages {
    padding: 1.5rem 0;
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.advantage-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.advantage-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.advantage-list {
    list-style: none;
    padding-left: 0;
}

.advantage-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.advantage-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Products Section */
.products {
    padding: 1.5rem 0;
    background: var(--white);
}

@media (max-width: 968px) {
    .products {
        padding: 1rem 0;
    }

    .product-categories {
        margin-bottom: 1.5rem;
    }
}

.product-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.category-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: var(--white);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

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

.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: none;
    flex-direction: column;
}

.product-card.visible {
    display: flex;
}

.show-more-container {
    text-align: center;
    margin-bottom: 1rem;
}

.btn-show-more {
    padding: 12px 48px;
    background: var(--primary-color);
    color: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

.btn-show-more:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-show-more.hidden {
    display: none;
}

@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.product-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 0.8rem;
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent-color);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-header {
    margin-bottom: 0.8rem;
}

.product-header h3 {
    color: var(--primary-dark);
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-code {
    display: none;
}

.product-specs {
    background: var(--bg-light);
    padding: 0.8rem;
    border-radius: 8px;
    margin-bottom: 0.8rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
}

.spec-value {
    color: var(--text-light);
    text-align: right;
}

.spec-item:nth-child(2) .spec-value:first-child {
    text-align: left;
}

.product-applications {
    margin: 0.5rem 0 1rem 0;
    font-size: 0.9rem;
}

.product-applications strong {
    display: none;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0;
}

.app-tag {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    background: var(--primary-light);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.75rem;
    white-space: nowrap;
}

.btn-product {
    width: 100%;
    padding: 0.7rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.btn-product:hover {
    background: var(--primary-dark);
}

.products-cta {
    text-align: center;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.products-cta p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Applications Section */
.applications {
    padding: 1.5rem 0;
    background: var(--bg-light);
}

.applications-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.application-img-item .placeholder-img {
    width: 100%;
    height: 250px;
    background: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 600;
    border: 2px dashed var(--border-color);
    transition: var(--transition);
}

.application-img-item .placeholder-img:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Factory Section */
.factory {
    padding: 1rem 0 1.5rem 0;
    background: var(--white);
}

.factory-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: start;
}

.factory-video-wrapper {
    width: 100%;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #000;
    aspect-ratio: 16 / 9;
}

.factory-video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.factory-intro {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.5rem;
}

.factory-intro h3 {
    color: var(--primary-dark);
    font-size: 2rem;
    margin-bottom: 0;
    font-weight: 700;
}

.factory-text {
    background: var(--bg-light);
    padding: 0.5rem 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    display: flex;
    flex-direction: column;
}

.factory-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.factory-text .factory-full {
    margin-top: 1rem;
}

.read-more-btn {
    background: var(--primary-color);
    border: none;
    color: var(--white);
    font-weight: 600;
    cursor: pointer;
    padding: 0.3rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-left: 0.5rem;
    transition: var(--transition);
    display: inline;
    vertical-align: baseline;
}

.read-more-btn:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow);
}

.factory-intro .factory-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
    padding: 0;
    background: transparent;
    margin: 0;
}

.factory-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem 0.8rem;
    background: linear-gradient(135deg, var(--bg-light) 0%, #fff 100%);
    border-radius: 10px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.factory-stat-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.factory-stat-item .stat-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
    margin-bottom: 0.4rem;
}

.factory-stat-item .stat-content {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.factory-stat-item .stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.factory-stat-item .stat-label {
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 500;
}

.factory-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.factory-img-item .placeholder-img {
    width: 100%;
    height: 200px;
    background: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 600;
    border: 2px dashed var(--border-color);
}

.factory-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    transition: var(--transition);
}

.factory-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* Certification Image Section */
.cert-image-section {
    padding: 0;
    background: var(--white);
}

.cert-full-image {
    width: 100%;
    max-width: 100%;
}

.full-width-cert-img {
    width: 100%;
    height: auto;
    display: block;
}

/* Exhibition Section */
.exhibition {
    padding: 1.5rem 0;
    background: var(--bg-light);
}

.exhibition-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.exhibition-img-item .placeholder-img {
    width: 100%;
    height: 200px;
    background: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-weight: 600;
    border: 2px dashed var(--border-color);
}

/* Certifications Section */
.certifications {
    padding: 1.5rem 0;
    background: var(--white);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.cert-card:hover {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cert-card h3 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

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

.cert-btn {
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.cert-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Cases Section */
.cases {
    padding: 1.5rem 0;
    background: var(--bg-light);
}

.client-logos {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
}

.logo-item {
    padding: 1rem 2rem;
    background: var(--bg-light);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-light);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    position: relative;
}

.case-flag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
}

.case-card h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.case-industry {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.case-content p {
    margin: 0.8rem 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

.case-content strong {
    color: var(--text-dark);
}

/* Testimonials Section */
.testimonials {
    padding: 1.5rem 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
}

.stars {
    color: #ffc107;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.testimonial-author strong {
    color: var(--primary-dark);
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* FAQ Section */
.faq {
    padding: 1.5rem 0;
    background: var(--bg-light);
}

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

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Contact Section */
.contact {
    padding: 1.5rem 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info h2 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.contact-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.method-icon {
    font-size: 1.5rem;
}

.method-details {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.method-details strong {
    color: var(--primary-dark);
}

.method-details a {
    color: var(--primary-color);
}

.method-details a:hover {
    text-decoration: underline;
}

.contact-address {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    margin-top: 1rem;
}

.contact-address h3 {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-form-container {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.contact-form-container h3 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-col ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

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

/* Floating Action Buttons */
.floating-actions {
    position: fixed;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 999;
}

.fab-button {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.fab-button:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

.fab-button.whatsapp {
    background: #25d366;
}

.fab-button.whatsapp:hover {
    background: #1da851;
}

.fab-button.fab-phone {
    background: #0088cc;
}

.fab-button.fab-phone:hover {
    background: #006699;
}

.fab-button.scroll-top {
    display: none;
}

.fab-button.scroll-top.visible {
    display: flex;
}

/* Bottom Floating Buttons */
.bottom-floating-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    z-index: 998;
    box-shadow: 0 -4px 20px rgba(50, 136, 71, 0.4);
}

.bottom-fab-btn {
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.bottom-fab-btn.sample {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: #fff;
}

.bottom-fab-btn.sample:hover {
    background: linear-gradient(135deg, #f7931e 0%, #ff8c42 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.bottom-fab-btn.contact {
    background: linear-gradient(135deg, #328847 0%, #4aa35d 100%);
    color: #fff;
}

.bottom-fab-btn.contact:hover {
    background: linear-gradient(135deg, #4aa35d 0%, #5dbd6e 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(50, 136, 71, 0.4);
}

@media (max-width: 600px) {
    .bottom-floating-buttons {
        padding: 0.8rem 0;
        gap: 1rem;
    }

    .bottom-fab-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-content h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

/* Contact Modal Specific Styles */
.modal-contact {
    max-width: 600px;
    padding: 2.5rem;
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.contact-modal-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-modal-form .btn-submit {
    margin-top: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    font-size: 1.05rem;
    padding: 1rem;
}

.contact-modal-form .btn-submit:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

@media (max-width: 768px) {
    .modal-contact {
        width: 95%;
        padding: 1.5rem;
        max-height: 90vh;
        overflow-y: auto;
    }

    .modal-header h3 {
        font-size: 1.4rem;
    }

    .modal-header {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }

    .contact-modal-form .form-row {
        grid-template-columns: 1fr;
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
    }

    .nav-wrapper {
        flex-wrap: wrap;
        padding: 0.5rem 0;
        gap: 0.5rem;
    }

    .logo {
        width: 100%;
        justify-content: center;
        order: 1;
        padding: 0.5rem 0;
    }

    .logo-img {
        height: 35px;
        max-width: 90vw;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .nav-menu {
        width: 100%;
        order: 2;
        flex-direction: row;
        justify-content: flex-start;
        gap: 0.5rem;
        flex-wrap: wrap;
        padding: 0;
    }

    .nav-menu li {
        margin: 0;
    }

    .nav-menu a {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
        white-space: nowrap;
    }

    .nav-menu .btn-primary-small {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    /* Trust Badges Mobile */
    .trust-badges {
        padding: 0;
    }

    .certifications-scroll {
        min-height: 100px;
    }

    .certifications-scroll::before,
    .certifications-scroll::after {
        width: 40px;
    }

    .certifications-track {
        gap: 0.8rem;
        animation: scroll 35s linear infinite;
    }

    .cert-logo {
        width: 120px;
        height: 96px;
    }

    .hero {
        height: auto;
        min-height: 450px;
        padding-top: 100px;
        padding-bottom: 2rem;
    }

    .hero-video {
        object-fit: cover;
    }

    .hero-content {
        padding: 1rem 0;
    }

    .hero-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
        margin-bottom: 0.8rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        display: none;
    }

    .hero-description {
        font-size: 0.85rem;
        margin-bottom: 1.5rem;
    }

    .hero-stats {
        flex-direction: row;
        gap: clamp(1rem, 3vw, 1.5rem);
        margin: 1.5rem 0;
        flex-wrap: wrap;
    }

    .stat-number {
        font-size: clamp(1.5rem, 4vw, 1.8rem);
    }

    .stat-label {
        font-size: clamp(0.7rem, 2vw, 0.8rem);
    }

    .hero-cta {
        gap: 0.8rem;
    }

    .btn-primary, .btn-secondary {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 0.3rem;
    }

    .section-subtitle {
        margin-bottom: 1rem;
    }

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

    /* Factory Mobile */
    .factory {
        padding: 1rem 0;
    }

    .factory-content {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .factory-video-wrapper {
        border-radius: 12px;
    }

    .factory-intro h3 {
        font-size: 1.5rem;
    }

    .factory-text {
        padding: 1.2rem;
    }

    .factory-intro .factory-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.8rem;
    }

    .factory-stat-item {
        padding: 1rem;
    }

    .factory-stat-item .stat-icon {
        width: 36px;
        height: 36px;
    }

    .factory-stat-item .stat-value {
        font-size: 1.5rem;
    }

    .factory-stat-item .stat-label {
        font-size: 0.75rem;
    }

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

    /* Exhibition Mobile */
    .exhibition-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    /* Applications Mobile */
    .applications-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .application-img-item .placeholder-img {
        height: 180px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-col:first-child {
        grid-column: 1 / -1;
    }

    .hero-cta {
        flex-direction: row;
        gap: 0.8rem;
        justify-content: center;
    }

    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        flex: 1 1 auto;
        min-width: 140px;
        max-width: 45%;
        padding: 10px 16px;
        font-size: clamp(0.75rem, 2.5vw, 0.9rem);
        text-align: center;
    }

    .hero-cta .btn-primary {
        background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
        border: none;
    }

    .hero-cta .btn-primary::before {
        background: linear-gradient(135deg, #f7931e 0%, #ff8c42 100%);
    }

    .hero-cta .btn-secondary {
        background: transparent;
        border: 2px solid #fff;
        color: #fff;
    }

    .hero-cta .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.15);
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 15px;
    }

    /* Trust Badges Small Mobile */
    .trust-badges {
        padding: 0;
    }

    .certifications-scroll {
        min-height: 80px;
    }

    .certifications-scroll::before,
    .certifications-scroll::after {
        width: 30px;
    }

    .certifications-track {
        gap: 0.6rem;
        animation: scroll 30s linear infinite;
    }

    .cert-logo {
        width: 100px;
        height: 80px;
    }

    .hero {
        height: auto;
        min-height: 400px;
        padding-top: 90px;
        padding-bottom: 1.5rem;
    }

    .hero-title {
        font-size: clamp(1.3rem, 6vw, 1.6rem);
        margin-bottom: 0.6rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        display: none;
    }

    .hero-description {
        font-size: clamp(0.7rem, 2.5vw, 0.8rem);
        margin-bottom: 1rem;
    }

    .hero-stats {
        gap: clamp(0.8rem, 3vw, 1.2rem);
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat-number {
        font-size: clamp(1.3rem, 5vw, 1.6rem);
    }

    .stat-label {
        font-size: clamp(0.65rem, 2vw, 0.75rem);
    }

    .btn-primary, .btn-secondary {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .section-title {
        font-size: clamp(1.3rem, 5vw, 1.6rem);
        line-height: 1.3;
        margin-bottom: 0.2rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .products .section-subtitle {
        display: none;
    }

    .product-categories {
        gap: 0.5rem;
        justify-content: center;
        max-width: 100%;
    }

    .category-btn {
        padding: 0.5rem 0.6rem;
        font-size: 0.7rem;
        flex: 0 0 calc(33.333% - 0.34rem);
        max-width: calc(33.333% - 0.34rem);
    }

    .products-grid {
        gap: 0.8rem;
    }

    .product-card {
        padding: 0.9rem;
    }

    .product-image {
        height: 110px;
        margin-bottom: 0.7rem;
    }

    .product-header {
        margin-bottom: 0.6rem;
    }

    .product-header h3 {
        font-size: 0.9rem;
    }

    .product-code {
        font-size: 0.75rem;
    }

    .app-tag {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }

    .app-tags {
        gap: 0.4rem;
    }

    .product-specs {
        padding: 0.7rem;
        margin-bottom: 0.7rem;
    }

    .spec-item {
        padding: 0.35rem 0;
        font-size: 0.8rem;
    }

    .app-tag {
        font-size: 0.7rem;
        padding: 0.25rem 0.6rem;
    }

    .btn-product {
        padding: 0.6rem;
        font-size: 0.85rem;
        margin-top: 0.4rem;
    }

    .floating-actions {
        top: 50%;
        right: 1rem;
        transform: translateY(-50%);
    }

    .fab-button {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}

/* Lazy loading styles */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-loaded {
    opacity: 1;
}

/* Print styles */
@media print {
    .navbar,
    .floating-actions,
    .bottom-floating-buttons,
    .modal {
        display: none !important;
    }
}