* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-navy: #1a2744;
    --color-navy-light: #2d3f5f;
    --color-white: #ffffff;
    --color-grey: #f5f5f5;
    --color-text-primary: #1a2744;
    --color-text-secondary: #666666;
    --color-accent: #1a2744;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
}

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

.full-width {
    width: 100%;
    position: relative;
}

/* Navigation */
nav {
    background-color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #e5e5e5;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 70px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-navy);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

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

.nav-links a.active {
    color: var(--color-navy);
    font-weight: 600;
}

/* Hero Section */
.hero {
    width: 100%;
    height: 70vh;
    min-height: 500px;
    position: relative;
    overflow: hidden;
}

.hero-images {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.hero-image {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--color-navy);
    text-align: center;
    padding: 0 20px;
}

.hero-logo {
    margin-bottom: 24px;
}

.hero-logo img {
    height: 120px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.hero h1 {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero p {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 32px;
    max-width: 700px;
    color: var(--color-text-secondary);
    letter-spacing: 0.02em;
}

.hero-features {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-icon {
    color: #4ECDC4;
    font-size: 16px;
}

.btn {
    display: inline-block;
    padding: 14px 40px;
    background-color: var(--color-white);
    color: var(--color-navy);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all 0.2s ease;
    border: 2px solid var(--color-white);
}

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

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--color-navy);
    color: var(--color-navy);
}

.btn-secondary:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
}

/* Company Intro */
.company-intro {
    padding: 100px 0;
    background-color: var(--color-white);
}

.company-intro h2 {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 48px;
    color: var(--color-navy);
}

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

.intro-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
}

.intro-image {
    width: 100%;
    display: block;
}

/* Mission Section */
.mission-section {
    padding: 80px 0;
    background-color: var(--color-navy);
    color: var(--color-white);
    text-align: center;
}

.mission-section h2 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.mission-section p {
    font-size: 18px;
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Product Categories */
.product-categories {
    padding: 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
}

.category-card {
    position: relative;
    height: 450px;
    cursor: pointer;
    overflow: hidden;
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 39, 68, 0.25);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--color-white);
    transition: background 0.3s ease;
}

.category-card:hover .category-overlay {
    background: rgba(26, 39, 68, 0.4);
}

.category-overlay h3 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Featured Products */
.featured-products {
    padding: 80px 0;
    background-color: var(--color-white);
}

.featured-products h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 56px;
    color: var(--color-navy);
}

.products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.product-card {
    background-color: var(--color-white);
    transition: transform 0.2s ease;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    margin-bottom: 20px;
}

.product-info {
    display: none;
}



/* Product Grid Page Header */
.page-header {
    padding: 60px 0;
    text-align: center;
    background-color: var(--color-grey);
}

.page-header h1 {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: var(--color-navy);
}

.page-header p {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* Footer */
footer {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-section h3 {
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    letter-spacing: 0.05em;
}

/* Responsive */
@media (max-width: 992px) {
    .products {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h1 {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
    }
    
    .nav-links a {
        font-size: 12px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 14px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .products {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .company-intro h2 {
        font-size: 28px;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .products {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .hero {
        height: 60vh;
    }
    
    .category-overlay h3 {
        font-size: 24px;
    }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: lightboxFadeIn 0.3s ease;
}

@keyframes lightboxFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}