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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-circle {
    width: 60px;
    height: 60px;
    background-image: url('logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-text {
    color: white;
    font-weight: 700;
    font-size: 10px;
    letter-spacing: 1px;
    z-index: 1;
}

.company-name {
    font-weight: 600;
    font-size: 18px;
    color: #2E7D32;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #4CAF50;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4CAF50;
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Dropdown Menu Styles */
.nav-dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 5px;
    background: white;
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    z-index: 1000;
    padding: 8px 0;
    animation: fadeInDown 0.3s ease;
}

/* Show dropdown when hovering over parent link */
.nav-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-content a:hover {
    background: #F8F9FA;
    color: #4CAF50;
    border-left-color: #4CAF50;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.language-switcher {
    display: flex;
    gap: 5px;
}

.lang-btn {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: white;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.lang-btn.active,
.lang-btn:hover {
    background: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 576px;
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: #FFFFFF;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    position: relative;
    z-index: 2;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
}

.hero-content {
    text-align: center;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: rgba(26, 35, 126, 0.9);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(102, 102, 102, 0.9);
    margin-bottom: 40px;
    font-style: italic;
    text-shadow: 0 1px 5px rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    position: relative;
    z-index: 3;
}

.btn {
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary {
    background: rgba(76, 175, 80, 0.8);
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    background: rgba(76, 175, 80, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(26, 35, 126, 0.9);
    text-shadow: 0 1px 3px rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(var(--rotation, 0deg)); }
    50% { transform: translateY(-10px) rotate(var(--rotation, 0deg)); }
}

/* Products Page Styles */
.products-hero {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.products-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1A237E;
    margin-bottom: 20px;
}

.products-hero .hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.product-section {
    padding: 80px 0;
    background: white;
}

.product-section:nth-child(even) {
    background: #F8F9FA;
}

.product-header {
    text-align: center;
    margin-bottom: 60px;
}

.product-description {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.specifications-table {
    margin-bottom: 60px;
}

.specifications-table h3 {
    font-size: 1.8rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 30px;
    text-align: center;
}

.table-container {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    min-width: 600px;
}

.spec-table thead {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    color: white;
}

.spec-table th,
.spec-table td {
    padding: 15px;
    text-align: center;
    border: 1px solid #E0E0E0;
}

.spec-table th {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
}

.spec-table td {
    font-family: 'Inter', sans-serif;
}

.spec-table tbody tr:nth-child(even) {
    background: #F8F9FA;
}

.spec-table tbody tr:hover {
    background: #E8F5E8;
}

.product-features {
    margin-bottom: 60px;
}

.product-features h3 {
    font-size: 1.8rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 40px;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item i {
    font-size: 2.5rem;
    color: #4CAF50;
    margin-bottom: 20px;
}

.feature-item h4 {
    font-size: 1.2rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 15px;
}

.feature-item p {
    font-family: 'Inter', sans-serif;
    color: #666;
    line-height: 1.6;
}

.applications {
    margin-bottom: 60px;
}

.applications h3 {
    font-size: 1.8rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 40px;
    text-align: center;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.application-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.application-item i {
    font-size: 1.5rem;
    color: #4CAF50;
    width: 30px;
    text-align: center;
}

.application-item span {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: #333;
}

.advantages {
    margin-bottom: 60px;
}

.advantages h3 {
    font-size: 1.8rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 40px;
    text-align: center;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-item i {
    font-size: 3rem;
    color: #4CAF50;
    margin-bottom: 25px;
}

.advantage-item h4 {
    font-size: 1.3rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 20px;
}

.advantage-item p {
    font-family: 'Inter', sans-serif;
    color: #666;
    line-height: 1.6;
}

/* Products Section */
.products {
    padding: 100px 0;
    background: white;
}

/* Product Gallery */
.product-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-item:active {
    transform: translateY(-2px);
}

.product-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, #F5F5F5, #E8F5E8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .product-image img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .image-overlay {
    transform: translateY(0);
}

.image-overlay h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

/* Five Major Product Categories */
.product-categories-showcase {
    margin: 80px 0;
    padding: 60px 0;
    background: #F8F9FA;
    border-radius: 20px;
}

.categories-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1A237E;
    text-align: center;
    margin-bottom: 50px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #E0E0E0;
}

.category-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: #4CAF50;
}

.category-image {
    height: 200px;
    background: linear-gradient(135deg, #F5F5F5, #E8F5E8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Category image placeholders with different backgrounds */
.category-item:nth-child(1) .category-image {
    background: linear-gradient(135deg, #C0C0C0, #E0E0E0);
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.category-item:nth-child(2) .category-image {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    background-image: 
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.category-item:nth-child(3) .category-image {
    background: linear-gradient(135deg, #FF9800, #F57C00);
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255,255,255,0.3) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.category-item:nth-child(4) .category-image {
    background: linear-gradient(135deg, #9C27B0, #7B1FA2);
    background-image: 
        radial-gradient(circle at 40% 40%, rgba(255,255,255,0.2) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.category-item:nth-child(5) .category-image {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    background-image: 
        radial-gradient(circle at 35% 35%, rgba(255,255,255,0.3) 0%, transparent 50%),
        radial-gradient(circle at 65% 65%, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.category-item:hover .category-image img {
    transform: scale(1.05);
}

.category-content {
    padding: 30px 25px;
}

.category-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 15px;
    line-height: 1.3;
}

.category-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Industry Applications */
.industry-applications {
    padding: 100px 0;
    background: #F8F9FA;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.application-card {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #E0E0E0;
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: #4CAF50;
}

.app-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
}

.application-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1A237E;
    margin: 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1A237E;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.product-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2rem;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 20px;
}

.product-card p {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.product-link {
    color: #4CAF50;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.product-link:hover {
    color: #2E7D32;
}

/* About Section */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #F5F5F5 0%, #E8F5E8 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 30px;
}

.about-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.achievements {
    display: flex;
    gap: 40px;
}

.achievement {
    text-align: center;
}

.achievement-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #4CAF50;
    margin-bottom: 10px;
}

.achievement-text {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.about-image {
    position: relative;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 20px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item i.fa-instagram {
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 10px;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
}

.contact-form {
    background: #F8F9FA;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #1A237E;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo p {
    color: #BBDEFB;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: #BBDEFB;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #3949AB;
    color: #BBDEFB;
    font-size: 0.9rem;
}

/* About Page Styles */
.about-hero {
    position: relative;
    height: calc(100vh - 60px);
    overflow: hidden;
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.slide-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    z-index: 1;
}

.slide-image::after {
    content: 'Factory Image';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(26, 35, 126, 0.3);
    font-size: 2rem;
    font-weight: 300;
    z-index: 2;
}

.slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 2;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.7), rgba(57, 73, 171, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.slide-overlay .hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-overlay .hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    max-width: 600px;
}

/* Carousel Controls */
.carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 10;
}

.carousel-prev,
.carousel-next {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

.about-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1A237E;
    margin-bottom: 20px;
}

.about-hero .hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.company-history {
    padding: 80px 0;
    background: white;
}

.history-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.history-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

.company-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 30px 20px;
    background: #F8F9FA;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
}

.value-item i {
    font-size: 2.5rem;
    color: #4CAF50;
    margin-bottom: 20px;
}

.value-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 15px;
}

.value-item p {
    color: #666;
    line-height: 1.6;
}

.history-image {
    flex: 1;
    padding: 20px;
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #4CAF50;
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 80px;
    display: flex;
    align-items: flex-start;
    gap: 30px;
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: #4CAF50;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.timeline-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 10px;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.timeline-image {
    width: 200px;
    height: 150px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #F5F5F5, #E8F5E8);
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #F5F5F5, #E8F5E8);
    z-index: 1;
}

.timeline-image::after {
    content: 'Timeline Image';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(76, 175, 80, 0.4);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    z-index: 2;
}

.timeline-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 3;
}

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

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 1000px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    background: linear-gradient(135deg, #1A237E, #3949AB);
    color: white;
    padding: 30px;
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    flex: 1;
}

.close {
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    margin-left: 20px;
}

.close:hover {
    color: #FFC107;
}

.modal-body {
    padding: 30px;
}

.specification-table {
    overflow-x: auto;
}

.specification-table table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.specification-table th {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    color: white;
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
}

.specification-table td {
    padding: 12px;
    border-bottom: 1px solid #E0E0E0;
    font-size: 0.9rem;
}

.specification-table tr:nth-child(even) {
    background-color: #F8F9FA;
}

.specification-table tr:hover {
    background-color: #E8F5E8;
}

/* Product Title Clickable */
.product-title-clickable {
    cursor: pointer;
    transition: color 0.3s ease;
}

.product-title-clickable:hover {
    color: #4CAF50;
}

/* Category Item Clickable */
.category-item {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.category-item:hover {
    transform: translateY(-5px);
}

/* Specification Button */
.spec-button {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
    margin: 20px 0;
}

.spec-button:hover {
    background: linear-gradient(135deg, #2E7D32, #1B5E20);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.company-advantages {
    padding: 80px 0;
    background: #F8F9FA;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2rem;
}

.advantage-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 20px;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
}

.company-stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #1A237E, #3949AB);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #4CAF50;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.9;
}

/* Contact Page Styles */
.contact-hero {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    padding: 120px 0 80px;
    text-align: center;
}

.contact-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1A237E;
    margin-bottom: 20px;
}

.contact-hero .hero-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.contact-info-section {
    padding: 120px 0 80px;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    text-align: center;
    padding: 40px 30px;
    background: #F8F9FA;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 15px;
}

.contact-card p {
    color: #666;
    line-height: 1.6;
}

.contact-form-section {
    padding: 80px 0;
    background: #F8F9FA;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form-container {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-description {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-details {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-methods {
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid #E0E0E0;
}

.contact-method:last-child {
    border-bottom: none;
}

.method-icon {
    width: 50px;
    height: 50px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.method-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 5px;
}

.method-content p {
    font-size: 1rem;
    color: #333;
    margin-bottom: 5px;
}

.method-content span {
    font-size: 0.9rem;
    color: #666;
}

/* Instagram Link Styles */
.instagram-link {
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.instagram-link:hover {
    color: #E4405F;
    text-decoration: underline;
}

/* WhatsApp Link Styles */
.whatsapp-link {
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.whatsapp-link:hover {
    color: #25D366;
    text-decoration: underline;
}

/* Instagram Icon Special Styling */
.contact-method .method-icon i.fa-instagram {
    color: white;
    font-size: 1.4rem;
}

/* Instagram gradient background for icon container */
.contact-method:has(.fa-instagram) .method-icon,
.contact-method .method-icon.instagram-icon {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.business-hours h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1A237E;
    margin-bottom: 20px;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #E0E0E0;
}

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

.hours-item span:first-child {
    font-weight: 500;
    color: #333;
}

.hours-item span:last-child {
    color: #666;
}

/* Responsive Hero Section */
@media (max-width: 1200px) {
    .hero {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .hero {
        height: 300px;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    /* Hide desktop nav menu, but allow mobile menu to show when active */
    .nav-container > .nav-menu:not(.active) {
        display: none;
    }
    
    /* Hide desktop language switcher in header */
    .nav-container > .language-switcher {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .hero-content {
        text-align: center;
        max-width: 90%;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        padding: 10px;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .achievements {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .product-categories {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .applications-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-table {
        font-size: 0.9rem;
    }
    
    .spec-table th,
    .spec-table td {
        padding: 10px 8px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .achievements {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .products-hero .hero-title {
        font-size: 2.5rem;
    }
}

/* Product Listings Styles */
.product-listings {
    padding: 20px 0 80px;
    background: #F8F9FA;
}

.product-card {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-card:nth-child(even) {
    flex-direction: row-reverse;
}

.product-image-wrapper {
    width: 400px;
    height: 280px;
    flex-shrink: 0;
    overflow: hidden;
    background: linear-gradient(135deg, #F5F5F5, #E8F5E8);
}

.product-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-info {
    flex: 1;
    padding: 40px;
}

.product-card .product-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1A237E;
    margin-bottom: 15px;
    line-height: 1.3;
}

.product-card .product-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    color: #666;
    margin-bottom: 15px;
}

.product-card .product-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
    font-size: 1rem;
}

.learn-more {
    color: #E53935;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
    display: inline-block;
}

.product-card:hover .learn-more {
    color: #C62828;
}

@media (max-width: 768px) {
    .product-card {
        flex-direction: column !important;
    }
    
    .product-image-wrapper {
        width: 100%;
        height: 250px;
    }
    
    .product-info {
        padding: 30px 20px;
    }
    
    .product-card .product-title {
        font-size: 1.4rem;
    }
}

/* Breadcrumb Section */
.breadcrumb-section {
    padding: 100px 0 0;
    background: white;
}

/* Product Detail Page Styles */
.product-detail-section {
    padding: 100px 0 60px;
    background: #F8F9FA;
    font-family: 'Inter', sans-serif;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.breadcrumb-link {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: #4CAF50;
}

.breadcrumb-separator {
    color: #999;
}

.breadcrumb-current {
    color: #999;
}



.product-detail-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.product-image-large {
    height: 400px;
    overflow: hidden;
    border-radius: 15px;
    background: linear-gradient(135deg, #F5F5F5, #E8F5E8);
}

.product-image-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-large h1 {
    font-size: 2.5rem;
    font-family: 'Inter', sans-serif;
    color: #1A237E;
    margin-bottom: 20px;
    font-weight: 700;
}

.product-intro {
    font-family: 'Inter', sans-serif;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.btn {
    padding: 15px 35px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #4CAF50, #45A049);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #45A049, #3d8b40);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

@media (max-width: 768px) {
    .product-detail-header {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .product-image-large {
        height: 250px;
    }
    
    .product-info-large h1 {
        font-size: 1.8rem;
    }
    
    .breadcrumb {
        font-size: 0.85rem;
    }
}

/* ============================================
   COMPREHENSIVE MOBILE RESPONSIVE OPTIMIZATION
   ============================================ */

/* Base Mobile Styles - Font Size Optimization */
@media (max-width: 768px) {
    body {
        font-size: 16px; /* Prevent iOS auto-zoom */
    }
    
    /* Navigation Bar Mobile Optimization */
    .navbar {
        height: 60px;
    }
    
    .nav-container {
        height: 60px;
        padding: 0 15px;
    }
    
    .logo-circle {
        width: 45px;
        height: 45px;
    }
    
    .company-name {
        font-size: 14px;
        display: none; /* Hide on very small screens */
    }
    
    /* Hide desktop navigation and language switcher in header on mobile */
    .nav-container > .nav-menu:not(.active) {
        display: none;
    }
    
    .nav-container > .language-switcher {
        display: none; /* Hide desktop language switcher in header */
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
        position: relative;
    }
    
    .hamburger span {
        width: 22px;
        height: 2px;
        background: #333;
        transition: all 0.3s ease;
        display: block;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Mobile Menu Styles */
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 20px;
        transition: left 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
        z-index: 1000;
        display: flex !important; /* Force display when active */
        gap: 0; /* Remove gap for mobile menu */
    }
    
    .nav-menu.active {
        left: 0;
        display: flex !important; /* Ensure it shows when active */
    }
    
    .nav-menu .nav-link {
        font-size: 1.1rem;
        margin: 15px 0;
        padding: 12px 15px;
        width: 100%;
        min-height: 44px; /* Touch target size */
        display: flex;
        align-items: center;
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
        user-select: none;
    }
    
    .nav-menu .nav-link:active {
        background: #F5F5F5;
    }
    
    /* Dropdown Menu Mobile */
    .nav-dropdown {
        width: 100%;
    }
    
    .nav-dropdown > .nav-link {
        position: relative;
    }
    
    .nav-dropdown > .nav-link::after {
        content: '\f078'; /* Font Awesome chevron-down */
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        position: absolute;
        right: 15px;
        transition: transform 0.3s ease;
    }
    
    .nav-dropdown.active > .nav-link::after {
        transform: rotate(180deg);
    }
    
    .nav-dropdown:hover .dropdown-content {
        display: none; /* Disable hover on mobile */
    }
    
    .dropdown-content {
        position: static;
        display: none; /* Hidden by default on mobile */
        box-shadow: none;
        background: #F8F9FA;
        margin: 10px 0 0 0;
        padding: 0;
        border-radius: 8px;
        animation: none;
        width: 100%;
    }
    
    .nav-dropdown.active .dropdown-content {
        display: block; /* Show when active */
    }
    
    .dropdown-content a {
        padding: 12px 20px;
        border-left: none;
        border-bottom: 1px solid #E0E0E0;
        display: block;
        width: 100%;
    }
    
    .dropdown-content a:last-child {
        border-bottom: none;
    }
    
    /* Language Switcher Mobile - Show inside menu */
    .nav-menu .mobile-language-switcher {
        width: 100%;
        display: flex;
        justify-content: flex-start;
        gap: 10px;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid #E0E0E0;
    }
    
    .nav-menu .mobile-language-switcher .lang-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 10px 15px;
        font-size: 13px;
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
        user-select: none;
    }
    
    .nav-menu .mobile-language-switcher .lang-btn:active {
        transform: scale(0.95);
    }
    
    .lang-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 10px 15px;
        font-size: 13px;
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
        user-select: none;
    }
    
    .lang-btn:active {
        transform: scale(0.95);
    }
    
    /* Hero Section Mobile */
    .hero {
        height: 300px;
        padding-top: 60px;
    }
    
    .hero-content h1 {
        font-size: 24px !important;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 16px !important;
        line-height: 1.5;
        margin-bottom: 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        min-height: 44px;
        padding: 12px 25px;
        font-size: 16px;
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
        user-select: none;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    /* Products Hero Mobile */
    .products-hero .hero-title {
        font-size: 24px !important;
    }
    
    .products-hero .hero-subtitle {
        font-size: 16px !important;
    }
    
    /* Product Cards Mobile */
    .product-card {
        flex-direction: column !important;
        margin-bottom: 30px;
    }
    
    .product-image-wrapper {
        width: 100%;
        height: 220px;
    }
    
    .product-info {
        padding: 25px 20px;
    }
    
    .product-card .product-title {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .product-card .product-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    
    /* Product Detail Page Mobile */
    .product-detail-section {
        padding: 80px 0 40px;
    }
    
    .product-detail-header {
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 20px;
        margin-bottom: 40px;
    }
    
    .product-image-large {
        height: 250px;
    }
    
    .product-info-large h1 {
        font-size: 20px !important;
        line-height: 1.3;
        margin-bottom: 15px;
    }
    
    .product-intro {
        font-size: 14px !important;
        line-height: 1.7;
        margin-bottom: 25px;
    }
    
    /* Specifications Table Mobile */
    .specifications-table {
        margin-bottom: 40px;
    }
    
    .specifications-table h2 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -20px;
        padding: 0 20px;
    }
    
    .spec-table {
        font-size: 0.85rem;
        min-width: 600px;
    }
    
    .spec-table th,
    .spec-table td {
        padding: 10px 8px;
        white-space: nowrap;
    }
    
    /* Product Categories Showcase Mobile */
    .product-categories-showcase {
        margin-bottom: 40px;
    }
    
    .categories-title {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-item {
        padding: 20px;
    }
    
    .category-content h4 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .category-content p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* Product Features Mobile */
    .product-features {
        margin-bottom: 40px;
    }
    
    .product-features h2 {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-item {
        padding: 20px;
    }
    
    .feature-item h4 {
        font-size: 1.1rem;
        margin: 15px 0 10px;
    }
    
    .feature-item p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* Contact Form Mobile */
    .contact-form-section {
        padding: 40px 0;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        width: 100%;
        min-height: 44px;
        padding: 12px 15px;
        font-size: 16px; /* Prevent iOS zoom */
        border-radius: 8px;
    }
    
    .form-group textarea {
        min-height: 120px;
        resize: vertical;
    }
    
    /* Contact Info Cards Mobile */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-card {
        padding: 25px 20px;
    }
    
    /* About Page Mobile */
    .company-history {
        padding: 40px 0;
    }
    
    .history-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .timeline {
        margin-top: 30px;
    }
    
    .timeline-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-item {
        padding: 20px;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    .footer-section {
        width: 100%;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .footer-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
    }
    
    /* Breadcrumb Mobile */
    .breadcrumb {
        font-size: 0.85rem;
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .breadcrumb a {
        min-height: 44px;
        display: flex;
        align-items: center;
        padding: 5px 0;
    }
    
    /* Section Titles Mobile */
    .section-title {
        font-size: 1.8rem !important;
        line-height: 1.3;
        margin-bottom: 20px;
    }
    
    .section-subtitle {
        font-size: 1rem !important;
        line-height: 1.5;
    }
    
    /* Container Mobile */
    .container {
        padding: 0 15px;
    }
    
    /* Image Optimization */
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* Carousel Mobile */
    .carousel-slide {
        height: 250px;
    }
    
    .hero-title,
    .hero-subtitle {
        padding: 10px 15px;
    }
}

/* Extra Small Devices (phones < 480px) */
@media (max-width: 480px) {
    .company-name {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 20px !important;
    }
    
    .hero-subtitle {
        font-size: 14px !important;
    }
    
    .section-title {
        font-size: 1.5rem !important;
    }
    
    .product-info-large h1 {
        font-size: 18px !important;
    }
    
    .product-intro {
        font-size: 13px !important;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .btn {
        font-size: 15px;
        padding: 11px 20px;
    }
}

    /* Tablet Optimization (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .nav-menu {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 0.95rem;
    }
    
    .product-detail-header {
        gap: 30px;
        padding: 30px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Global Touch Optimizations */
@media (max-width: 768px) {
    /* Ensure all clickable elements have proper touch targets */
    a, button, .btn, .lang-btn, .nav-link {
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
        -webkit-touch-callout: none;
    }
    
    /* Disable text selection on buttons and navigation */
    button, .btn, .lang-btn, .nav-link, .hamburger {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* Smooth scrolling */
    html {
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
    }
    
    /* Prevent horizontal scroll */
    body {
        overflow-x: hidden;
        width: 100%;
    }
    
    /* Table scroll indicator */
    .table-container::-webkit-scrollbar {
        height: 6px;
    }
    
    .table-container::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 10px;
    }
    
    .table-container::-webkit-scrollbar-thumb {
        background: #4CAF50;
        border-radius: 10px;
    }
    
    /* Contact form section mobile spacing */
    .contact-form-section .container {
        padding: 0 15px;
    }
    
    /* Contact info section mobile */
    .contact-info-section {
        padding: 40px 0;
    }
    
    /* Map section mobile */
    .map-section {
        padding: 30px 0;
    }
    
    .map-placeholder {
        padding: 20px;
        min-height: 200px;
    }
    
    /* Product gallery mobile */
    .product-gallery {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .gallery-item {
        width: 100%;
        -webkit-tap-highlight-color: rgba(76, 175, 80, 0.2);
    }
    
    .gallery-item:active {
        transform: scale(0.98);
    }
    
    /* About page carousel mobile */
    .hero-carousel {
        height: 300px;
    }
    
    .carousel-slide {
        height: 300px;
    }
    
    /* Company values mobile */
    .company-values {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .value-item {
        padding: 20px;
    }
}
