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

:root {
    --primary-color: #0b3d91;
    --secondary-color: #d62828;
    --accent-color: #f77f00;
    --text-dark: #0b1a33;
    --text-light: #6c757d;
    --bg-light: #f8f9fc;
    --bg-white: #ffffff;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    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);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-img {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

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

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: 
        linear-gradient(135deg, rgba(11, 61, 145, 0.85) 0%, rgba(30, 58, 138, 0.85) 100%),
        url('../images/hero-bg-1.png') center/cover,
        url('../images/hero-bg-2.png') center/cover,
        url('../images/hero-bg-3.png') center/cover;
    background-blend-mode: overlay, multiply, normal;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(247, 127, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(214, 40, 40, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.05) 75%),
        linear-gradient(-45deg, rgba(255, 255, 255, 0.05) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.05) 75%);
    background-size: 100% 100%, 100% 100%, 20px 20px, 20px 20px;
    background-position: 0 0, 0 0, 0 0, 0 0;
    opacity: 0.6;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { 
        background-position: 0% 0%, 0% 0%, 0 0, 0 0;
    }
    25% { 
        background-position: 10% 10%, -10% -10%, 10px 10px, -10px -10px;
    }
    50% { 
        background-position: -5% 15%, 5% -15%, -5px 15px, 5px -15px;
    }
    75% { 
        background-position: 15% -5%, -15% 5%, 15px -5px, -15px 5px;
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual {
    display: flex;
    gap: 2rem;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 3;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.hero-visual i {
    animation: float 3s ease-in-out infinite;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 249, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 1rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-visual i:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-visual i:nth-child(3) {
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #b91c1c;
    border-color: #b91c1c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.features {
    display: grid;
    gap: 1.5rem;
}

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

.feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.feature h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--text-light);
    margin: 0;
}

.about-cta {
    margin-top: 2rem;
    text-align: left;
}

.about-cta .btn {
    padding: 0.875rem 2rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    display: inline-block;
}

.about-cta .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
}

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

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.image-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.image-placeholder p {
    font-size: 1.125rem;
    font-weight: 600;
}

/* Products Section */
.products {
    padding: 6rem 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.products-grid .product-card {
    flex-direction: row;
    text-align: left;
    align-items: stretch;
}

.products-grid .product-image {
    width: 50%;
    min-width: 400px;
    height: auto;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    padding: 1rem;
}

.product-card {
    background: var(--bg-white);
    padding: 0;
    border-radius: 16px;
    text-align: left;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: row;
    overflow: hidden;
    align-items: stretch;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.product-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Solutions and Lenses Sections */
.solutions-highlights,
.lenses-highlights {
    padding: 6rem 0;
    background: var(--bg-white);
}

.solutions-highlights {
    background: var(--bg-light);
}

.lenses-highlights {
    background: var(--bg-white);
}

/* Grid Layouts */
.solutions-grid,
.lenses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Card Styles */
.solution-card,
.lens-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
}

.solution-card:hover,
.lens-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

/* Card Icon */
.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.solution-card:hover .card-icon,
.lens-card:hover .card-icon {
    transform: scale(1.05);
}

/* Card Content */
.card-content {
    text-align: left;
    margin-bottom: 2rem;
}

.card-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-align: center;
}

.card-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
    text-align: center;
}

.card-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 1.5rem 0 0.8rem 0;
    text-align: left;
}

.card-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
}

.card-content li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

/* Card Actions */
.card-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.card-actions .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
}


/* Section CTA */
.section-cta {
    text-align: center;
    margin-top: 3rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

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

.btn-large i {
    transition: transform 0.3s ease;
}

.btn-large:hover i {
    transform: translateX(3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .solutions-grid,
    .lenses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .solution-card,
    .lens-card {
        padding: 1.5rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .card-footer {
        flex-direction: column;
    }
    
    .card-footer .btn {
        flex: none;
    }
    
    .product-item {
        flex-direction: column;
        text-align: center;
    }
}

/* Product Showcase Styles */
.product-showcase {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.product-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.product-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    transform: translateX(5px);
}

.product-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.product-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.product-specs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.spec-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
}

/* Feature List Styles */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: var(--bg-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.feature-item i {
    color: var(--primary-color);
    width: 20px;
    text-align: center;
    transition: color 0.3s ease;
}

.feature-item:hover i {
    color: white;
}

.feature-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Performance Metrics */
.performance-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.metric:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.metric:hover .metric-value {
    color: white;
}

.metric-label {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Specifications Grid */
.specifications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.spec-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.spec-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.spec-item:hover .spec-icon {
    background: white;
    color: var(--primary-color);
}

.spec-content {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.spec-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-item:hover .spec-label {
    color: rgba(255, 255, 255, 0.8);
}

.spec-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.spec-item:hover .spec-value {
    color: white;
}

/* Performance Stats */
.performance-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

/* Product Highlights */
.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

.highlight-item strong {
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.highlight-item:hover strong {
    color: white;
}

.highlight-item span {
    font-size: 0.9rem;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.highlight-item:hover span {
    color: rgba(255, 255, 255, 0.9);
}

/* Module Types */
.module-types {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.module-type {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.module-type:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.module-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.module-type:hover .module-icon {
    background: white;
    color: var(--primary-color);
}

.module-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.module-type:hover .module-info h4 {
    color: white;
}

.module-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
    transition: color 0.3s ease;
}

.module-type:hover .module-info p {
    color: rgba(255, 255, 255, 0.9);
}

/* IR Categories */
.ir-categories {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.ir-category {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.ir-category:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.category-header i {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.ir-category:hover .category-header i {
    background: white;
    color: var(--primary-color);
}

.category-header h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    transition: color 0.3s ease;
}

.ir-category:hover .category-header h4 {
    color: white;
}

.category-specs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.category-specs .spec {
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.ir-category:hover .category-specs .spec {
    background: white;
    color: var(--primary-color);
}

/* Application Tags */
.application-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.app-tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.app-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.card-actions .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
}

/* Enhanced CTA */
.highlights-cta {
    text-align: center;
    margin-top: 3rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

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

.btn-large i {
    transition: transform 0.3s ease;
}

.btn-large:hover i {
    transform: translateX(3px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .highlight-card {
        padding: 2rem;
    }
    
    .specifications-grid {
        grid-template-columns: 1fr;
    }
    
    .performance-metrics,
    .performance-stats {
        grid-template-columns: 1fr;
    }
    
    .product-item {
        flex-direction: column;
        text-align: center;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .card-actions .btn {
        flex: none;
    }
}

.highlight-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
}

.highlight-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.highlights-cta {
    text-align: center;
}

.highlights-cta .btn {
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Infrared Section */
.infrared {
    padding: 6rem 0;
    background: var(--bg-white);
}

.infrared-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.infrared-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.infrared-card .product-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 2.5rem;
}

.infrared-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

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

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.spec {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--bg-light);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.contact-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
    font-size: 1rem;
}

.contact-message {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
}

.contact-message h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contact-message p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-actions .btn {
    min-width: 150px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

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

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

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        font-size: 3rem;
        gap: 1rem;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .hero::before {
        animation: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-cta {
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-actions .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .infrared-products {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .product-card,
    .infrared-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* Product Categories */
.product-categories {
    padding: 6rem 0;
    background: var(--bg-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.category-card {
    background: var(--bg-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.category-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.category-content {
    padding: 2rem;
}

.category-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.category-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.category-features {
    list-style: none;
    margin-bottom: 2rem;
}

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

.category-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Detailed Products */
.detailed-products {
    padding: 6rem 0;
    background: var(--bg-light);
}

.detailed-products h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4rem;
}

.products-showcase {
    display: grid;
    gap: 4rem;
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.product-gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.product-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    transition: var(--transition);
}

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

.product-details h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.product-details p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.product-specifications {
    display: grid;
    gap: 2rem;
}

.spec-group h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.spec-group ul {
    list-style: none;
}

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

.spec-group ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Contact CTA */
.contact-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Catalog CTA */
.catalog-cta {
    background: var(--bg-white);
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.catalog-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.catalog-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.catalog-cta .btn-large {
    background: linear-gradient(135deg, var(--secondary-color), #e63946);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.catalog-cta .btn-large:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #b91c1c, #d62828);
}

.catalog-cta .btn-large i {
    transition: transform 0.3s ease;
}

.catalog-cta .btn-large:hover i {
    transform: translateX(3px);
}

/* Company Overview */
.company-overview {
    padding: 6rem 0;
    background: var(--bg-white);
}

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

.overview-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.overview-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--text-light);
    font-weight: 500;
    margin: 0;
}

.mission-cta {
    margin-top: 3rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.mission-cta .btn {
    padding: 0.875rem 2rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    min-width: 200px;
}

.mission-cta .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
}

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

.mission-cta .btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.mission-cta .btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.overview-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.overview-image img {
    max-width: 300px;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

/* Values Section */
.values-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.value-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Certifications Section */
.certifications-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.certification-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.certification-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.certification-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.certification-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.certification-card p {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.cert-description {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
    display: block;
}

/* Partnership Section */
.partnership-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.partnership-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.partnership-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.partnership-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.partnership-benefits {
    display: grid;
    gap: 1.5rem;
}

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

.benefit i {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.benefit h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.benefit p {
    color: var(--text-light);
    margin: 0;
}

.partnership-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.partnership-image {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    padding: 2rem 3rem;
    border-radius: 20px;
    color: white;
    text-align: center;
}

.partnership-image h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.partnership-image i {
    font-size: 2rem;
}

.partnership-arrow {
    font-size: 1.5rem;
}

/* Industries Section */
.industries-section {
    padding: 6rem 0;
    background: var(--bg-light);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.industry-card {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.industry-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.industry-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.industry-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.industry-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Team Section */
.team-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.team-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.team-description h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.team-description p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.team-highlights {
    display: grid;
    gap: 1rem;
}

.highlight {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.highlight i {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.highlight span {
    color: var(--text-dark);
    font-weight: 500;
}

.team-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.team-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.team-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.team-placeholder h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-placeholder p {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

/* Responsive Design for Products Page */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .product-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }
    
    .product-gallery {
        grid-template-columns: 1fr;
    }
    
    .detailed-products h2 {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    /* About page responsive */
    .overview-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .overview-text h2 {
        font-size: 2rem;
    }
    
    .mission-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .mission-cta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .mission-cta .btn {
        min-width: 250px;
        width: 100%;
        max-width: 300px;
    }
    
    .partnership-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .partnership-text h2 {
        font-size: 2rem;
    }
    
    .partnership-image {
        flex-direction: column;
        gap: 1rem;
        padding: 2rem;
    }
    
    .partnership-arrow {
        transform: rotate(90deg);
    }
    
    .team-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .team-description h3 {
        font-size: 1.5rem;
    }
    
    .values-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
}

/* Solutions and Lenses Pages */
.solutions-section,
.lenses-section {
    padding: 6rem 0;
    background: var(--bg-white);
}

.solutions-section:nth-child(even),
.lenses-section:nth-child(even) {
    background: var(--bg-light);
}

.solution-category,
.lens-category {
    margin-bottom: 5rem;
}

.solution-category:last-child,
.lens-category:last-child {
    margin-bottom: 0;
}

.solution-category h3,
.lens-category h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}

/* Enhanced Product Category Cards */
.product-category {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(11, 61, 145, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.product-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px 20px 0 0;
}

.product-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border-color: rgba(11, 61, 145, 0.2);
}

.product-category h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(11, 61, 145, 0.3);
}

/* Problem-Solution-Outcome Layout */
.problem-solution-outcome {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(11, 61, 145, 0.02), rgba(247, 127, 0, 0.02));
    border-radius: 16px;
    border: 1px solid rgba(11, 61, 145, 0.1);
}

.problem, .solution, .outcome {
    padding: 1.5rem;
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.problem {
    background: linear-gradient(135deg, rgba(214, 40, 40, 0.05), rgba(214, 40, 40, 0.02));
    border-left: 4px solid var(--secondary-color);
}

.solution {
    background: linear-gradient(135deg, rgba(11, 61, 145, 0.05), rgba(11, 61, 145, 0.02));
    border-left: 4px solid var(--primary-color);
}

.outcome {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(34, 197, 94, 0.02));
    border-left: 4px solid #22c55e;
}

.problem strong, .solution strong, .outcome strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.problem strong {
    color: var(--secondary-color);
}

.solution strong {
    color: var(--primary-color);
}

.outcome strong {
    color: #22c55e;
}

.problem p, .solution p, .outcome p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
    font-size: 0.95rem;
}

/* Enhanced Product Specs */
.product-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.product-specs h5 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.75rem;
    display: inline-block;
    position: relative;
}

.product-specs h5::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.spec-group {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(11, 61, 145, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.spec-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 16px 16px 0 0;
}

.spec-group:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: rgba(11, 61, 145, 0.2);
}

.spec-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spec-item {
    padding: 1rem 0;
    color: var(--text-light);
    border-bottom: 1px solid rgba(11, 61, 145, 0.08);
    line-height: 1.6;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

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

.spec-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.2rem;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    flex-shrink: 0;
}

.spec-item:hover {
    color: var(--text-dark);
    background: linear-gradient(135deg, rgba(11, 61, 145, 0.03), rgba(247, 127, 0, 0.03));
    padding: 1rem 1.5rem;
    border-radius: 12px;
    margin: 0 -1rem;
    transform: translateX(4px);
}

.spec-label {
    color: var(--text-dark);
    font-weight: 600;
    display: inline-block;
    margin-right: 0.75rem;
    min-width: 140px;
    flex-shrink: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.spec-value {
    color: var(--text-light);
    font-weight: 500;
    flex: 1;
    font-size: 0.95rem;
}

.spec-item:hover .spec-label {
    color: var(--primary-color);
}

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

/* Key USPs Styling */
.key-usps {
    background: linear-gradient(135deg, rgba(11, 61, 145, 0.05), rgba(247, 127, 0, 0.05));
    border-radius: 16px;
    padding: 2rem;
    border: 2px solid rgba(11, 61, 145, 0.1);
    position: relative;
    overflow: hidden;
}

.key-usps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 16px 16px 0 0;
}

.key-usps h5 {
    color: var(--primary-color);
    border-bottom: 3px solid var(--accent-color);
    margin-bottom: 1.5rem;
}

.key-usps h5::after {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
}

.key-usps ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.75rem;
}

.product-specs .key-usps li {
    padding: 0.75rem 1rem;
    background: var(--bg-white);
    border-radius: 10px;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 3.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex !important;
    align-items: center !important;
}

.product-specs .key-usps li::before {
    content: '✓' !important;
    position: absolute !important;
    left: 1rem !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 20px !important;
    height: 20px !important;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color)) !important;
    color: white !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: bold !important;
    font-size: 0.7rem !important;
    flex-shrink: 0 !important;
}

.key-usps li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    color: var(--text-dark);
    background: linear-gradient(135deg, rgba(247, 127, 0, 0.05), rgba(214, 40, 40, 0.05));
}

/* Core Advantages Section */
.core-advantages {
    background: linear-gradient(135deg, rgba(11, 61, 145, 0.05), rgba(247, 127, 0, 0.05));
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid rgba(11, 61, 145, 0.1);
}

.core-advantages h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    text-align: center;
}

.core-advantages ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.core-advantages li {
    padding: 1rem 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    padding-left: 3rem;
}

.core-advantages li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.8rem;
}

.core-advantages li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    color: var(--text-dark);
}

.core-advantages strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* Terminology Page Styles */
.terminology-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
}

.terminology-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.terminology-hero .hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.terminology-content {
    padding: 4rem 0;
    background: var(--bg-white);
}

.terminology-intro {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.terminology-intro h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.terminology-intro p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
}

.terminology-controls {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.search-box {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.1rem;
}

.search-box input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-white);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.filter-btn {
    padding: 8px 16px;
    border: 2px solid var(--border-color);
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    font-size: 0.9rem;
}

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

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

.terminology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.term-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.term-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.term-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

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

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--border-color);
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.no-results p {
    font-size: 1rem;
}

/* Terminology Page Responsive */
@media (max-width: 768px) {
    .terminology-hero .hero-title {
        font-size: 2.5rem;
    }
    
    .terminology-hero .hero-subtitle {
        font-size: 1rem;
    }
    
    .terminology-intro h2 {
        font-size: 2rem;
    }
    
    .terminology-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .term-card {
        padding: 1.5rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .filter-btn {
        width: 200px;
        text-align: center;
    }
}

.product-image {
    width: 100%;
    height: 350px;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: auto;
    max-height: 350px;
    object-fit: contain;
    object-position: center;
    transition: var(--transition);
    background: var(--bg-light);
}

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

.product-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.product-specs {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.product-specs li {
    padding: 0.75rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
    line-height: 1.5;
}

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

.product-specs strong {
    color: var(--text-dark);
    font-weight: 600;
    display: inline-block;
    margin-right: 0.5rem;
}

/* Most Sold Solutions - One item per row */
.most-sold-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 2rem !important;
    grid-template-columns: none !important;
}

.most-sold-grid .product-card {
    width: 100% !important;
    margin-bottom: 0 !important;
    max-width: none !important;
}

/* Responsive Design for Solutions and Lenses Pages */
@media (max-width: 768px) {
    .solution-category h3,
    .lens-category h3 {
        font-size: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    /* Ensure Most Sold Solutions stays as single column even in mobile */
    .most-sold-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 2rem !important;
        grid-template-columns: none !important;
    }
    
    .product-card {
        flex-direction: column;
        text-align: center;
    }
    
    .product-image {
        width: 100%;
        height: 250px;
        min-width: auto;
        padding: 1rem;
    }
    
    .product-image img {
        max-height: 220px;
    }
    
    .product-content {
        padding: 1.5rem;
    }
    
    .product-content h4 {
        font-size: 1.1rem;
    }
    
    .product-specs li {
        font-size: 0.9rem;
        padding: 0.4rem 0;
    }
    
    /* Enhanced Product Category Cards - Mobile */
    .product-category {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .product-category h4 {
        font-size: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .product-category-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .problem-solution-outcome {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1rem;
    }
    
    .problem, .solution, .outcome {
        padding: 1rem;
    }
    
    .product-specs {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .core-advantages ul {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .core-advantages li {
        padding: 0.75rem 1rem;
        padding-left: 2.5rem;
        font-size: 0.9rem;
    }
    
    .core-advantages li::before {
        left: 0.75rem;
        top: 0.75rem;
        width: 20px;
        height: 20px;
        font-size: 0.7rem;
    }
    
    /* Enhanced Mobile Specs */
    .product-specs {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .spec-group {
        padding: 1.5rem;
    }
    
    .spec-item {
        padding: 0.75rem 0;
        padding-left: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .spec-label {
        min-width: auto;
        font-size: 0.85rem;
        margin-bottom: 0.25rem;
    }
    
    .spec-value {
        font-size: 0.9rem;
        margin-left: 0;
    }
    
    .key-usps {
        padding: 1.5rem;
    }
    
    .product-specs .key-usps li {
        padding: 0.5rem 0.75rem;
        padding-left: 3rem;
        font-size: 0.85rem;
        display: flex !important;
        align-items: center !important;
    }
    
    .product-specs .key-usps li::before {
        left: 0.75rem !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        width: 18px !important;
        height: 18px !important;
        font-size: 0.65rem !important;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--bg-white);
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color), #1e4a8c);
    color: white;
    border-radius: 12px 12px 0 0;
}

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

.close {
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.quote-form {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input[required]::after,
.form-group label[for*="name"]::after,
.form-group label[for*="email"]::after {
    content: " *";
    color: var(--secondary-color);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.form-actions .btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    min-width: 120px;
}

/* Modal Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Mobile Modal Styles */
@media (max-width: 768px) {
    .modal-content {
        margin: 2% auto;
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-header {
        padding: 1rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.25rem;
    }
    
    .close {
        font-size: 1.5rem;
        width: 35px;
        height: 35px;
    }
    
    .quote-form {
        padding: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1.25rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.625rem 0.875rem;
        font-size: 0.95rem;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .form-actions .btn {
        width: 100%;
        min-width: auto;
    }
}