:root {
    --color-bg: #ffffff;
    --color-text: #111111;
    --color-text-light: #555555;
    --color-accent: #f4f4f4;
    --color-dark-bg: #1a1a1a;
    --color-dark-text: #ffffff;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --spacing-xs: 1rem;
    --spacing-sm: 2rem;
    --spacing-md: 4rem;
    --spacing-lg: 8rem;
    --container-width: 1440px;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-text);
}

img {
    max-width: 100%;
    display: block;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 5%;
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative; /* Ensure header context for z-index if needed */
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    z-index: 100; /* Keep logo above mobile menu */
}

.nav-links ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* Burger Menu */
.burger-menu {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 100;
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: var(--spacing-md) 5%;
    max-width: var(--container-width);
    margin: 0 auto;
    min-height: 80vh;
    gap: var(--spacing-md);
}

.hero-content h1 {
    font-size: clamp(3rem, 6vw, 6rem);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.03em;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 40ch;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
    border-radius: 2px; /* Very subtle radius */
}

/* Intro Section */
.intro {
    padding: var(--spacing-lg) 5%;
    background-color: var(--color-accent);
    text-align: center;
}

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

.intro-text {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    line-height: 1.4;
}

/* Products Section */
.products {
    padding: var(--spacing-lg) 5%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--spacing-md);
    border-top: 1px solid #ddd;
    padding-top: var(--spacing-sm);
}

.section-header h2 {
    font-size: 3rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md) var(--spacing-sm);
}

.product-card .image-wrapper {
    overflow: hidden;
    margin-bottom: 1.5rem;
    background-color: #f0f0f0;
}

.product-card img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-body); /* Editorial choice: Sans headings for cards */
    font-weight: 500;
}

.product-card p {
    font-size: 1rem;
    color: var(--color-text-light);
}

/* Visual Feature Section */
.visual-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 0;
}

.feature-content {
    padding: var(--spacing-lg) 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #eef2f5; /* Subtle cool gray/blue */
}

.feature-content h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-content p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 50ch;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 600px;
}

/* Workflow Section */
.workflow {
    padding: var(--spacing-lg) 5%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.workflow-header h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    border-top: 1px solid #111;
    padding-top: var(--spacing-md);
}

.workflow-item {
    padding-right: var(--spacing-sm);
}

.step-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.workflow-item h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Compliance Section */
.compliance {
    background-color: var(--color-dark-bg);
    color: var(--color-dark-text);
    padding: var(--spacing-lg) 5%;
}

.compliance-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    max-width: var(--container-width);
    margin: 0 auto;
}

.compliance-block h3 {
    font-family: var(--font-body);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    opacity: 0.7;
    color: var(--color-dark-text);
}

.compliance-block p {
    font-size: 1.5rem; /* Large, statement text */
    font-family: var(--font-heading);
    line-height: 1.4;
    opacity: 0.9;
}

/* Footer */
.site-footer {
    padding: var(--spacing-lg) 5% var(--spacing-md);
    background-color: var(--color-accent);
    color: var(--color-text);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-md);
    max-width: var(--container-width);
    margin: 0 auto;
}

.footer-brand h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-light);
}

.footer-contact h5, .footer-legal h5 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.footer-contact p, .footer-legal ul li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-text-light);
}

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

.copyright {
    margin-top: 2rem;
    font-size: 0.85rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 900px) {
    .site-header {
        position: relative; 
    }

    .burger-menu {
        display: block;
    }

    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 100%;
        background-color: var(--color-bg);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        z-index: 90;
    }


    .nav-links ul {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .nav-links.nav-active {
        transform: translateX(0%);
    }

    /* Burger Animation */
    .toggle span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .toggle span:nth-child(2) {
        opacity: 0;
    }
    .toggle span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        padding-top: var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .visual-feature {
        grid-template-columns: 1fr;
    }
    
    .feature-image img {
        min-height: 300px;
        order: -1;
    }

    .workflow-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .compliance-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}