/* CSS Variables */
:root {
    --color-primary: #141414;
    --color-secondary: #FFFFFF;
    --color-accent: #FFFFFF;
    --color-text-light: #767676;
    --color-text-lighter: #D3D3D3;
    
    --font-primary: 'Open sans', sans-serif;
    --font-heading: 'Work Sans', Arial, sans-serif;
    --font-display: 'Oswald', sans-serif;
    --font-button: 'Roboto', Arial, sans-serif;
    
    --container-width: 1180px;
    --spacing-small: 10px;
    --spacing-medium: 20px;
    --spacing-large: 40px;
    --spacing-xl: 80px;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-primary);
    color: var(--color-secondary);
    line-height: 1.714;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-medium);
}

/* Header */
.header {
    background-color: var(--color-primary);
    padding: var(--spacing-medium) 0;
    box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.28);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    width: 147px;
    height: 147px;
    vertical-align: middle;
}

.logo img:focus-visible {
    outline: 3px solid var(--color-text-lighter);
}

.navigation ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-medium);
}

.navigation a {
    color: var(--color-secondary);
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: bold;
    padding: 0.625em 1em;
    transition: color 0.3s ease;
}

.navigation a:hover {
    color: var(--color-text-lighter);
}

.navigation a:focus-visible {
    outline: 3px solid var(--color-text-lighter);
    outline-offset: -3px;
}

/* Hero Section */
.hero {
    background-image: url('assets/images/hero-background.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 100px 0;
    text-align: center;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: 52px;
    font-weight: bold;
    margin-bottom: var(--spacing-medium);
    color: var(--color-secondary);
}

.hero-content p {
    font-family: var(--font-display);
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 100px;
    color: var(--color-secondary);
}

/* Product Sections */
.product-section {
    background-color: var(--color-primary);
    padding: 48px 0;
}

.product-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-large);
}

.product-row.reverse {
    flex-direction: row-reverse;
}

.product-image,
.product-content {
    flex: 1;
}

.product-image {
    text-align: center;
}

.product-image img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.product-image img:focus-visible {
    outline: 3px solid var(--color-text-lighter);
}

.product-content {
    padding: 0 var(--spacing-xl);
}

.product-content h2 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: bold;
    margin-bottom: var(--spacing-medium);
    color: var(--color-secondary);
}

.product-content p {
    font-family: var(--font-display);
    font-size: 16px;
    margin-bottom: var(--spacing-large);
    color: var(--color-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 20px;
    background: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
    text-decoration: none;
    font-family: var(--font-button);
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

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

.btn:focus-visible {
    outline: 3px solid var(--color-text-lighter);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    padding: var(--spacing-medium) 0;
}

.footer-navigation ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-medium);
}

.footer-navigation a {
    color: var(--color-secondary);
    text-decoration: none;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: bold;
    padding: 0.625em 1em;
    transition: color 0.3s ease;
}

.footer-navigation a:hover {
    color: var(--color-text-lighter);
}

.footer-navigation a:focus-visible {
    outline: 3px solid var(--color-text-lighter);
    outline-offset: -3px;
}

/* Responsive Design */
@media screen and (max-width: 1180px) {
    .container {
        padding: 0 var(--spacing-medium);
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        padding: 0 var(--spacing-medium);
    }
    
    .product-row {
        flex-direction: column;
        text-align: center;
    }
    
    .product-row.reverse {
        flex-direction: column;
    }
    
    .product-content {
        padding: 0 var(--spacing-medium);
    }
    
    .navigation {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .logo img {
        width: 100px;
        height: 100px;
    }
    
    .hero {
        padding: 50px 0;
    }
    
    .hero-content h1 {
        font-size: 28px;
    }
    
    .product-section {
        padding: 30px 0;
    }
    
    .product-content h2 {
        font-size: 18px;
    }
    
    .product-content p {
        font-size: 14px;
    }
}