/* NOIR — Modern Essentials */
/* Design System: Noir Editorial */

:root {
    /* Colors */
    --color-bg: #0F0F0F;
    --color-surface: #2A2A2A;
    --color-surface-light: #3D3D3D;
    --color-text: #E8E4DF;
    --color-text-muted: #A39E93;
    --color-accent: #C8B8A0;
    
    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Switzer', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 6rem;
    
    /* Transitions */
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    z-index: 100;
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(20px);
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.2em;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    transition: color 0.3s var(--transition-smooth);
}

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

.nav-actions {
    display: flex;
    gap: var(--space-sm);
}

.nav-btn {
    background: transparent;
    border: 1px solid var(--color-surface);
    color: var(--color-text);
    padding: 0.5rem 1rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
}

.nav-btn:hover {
    background: var(--color-surface);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: var(--space-xl);
    padding-top: calc(var(--space-xl) + 4rem);
    gap: var(--space-xl);
}

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

.hero-label {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1;
    margin-bottom: var(--space-md);
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 400px;
}

.hero-cta {
    display: inline-block;
    background: var(--color-text);
    color: var(--color-bg);
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    transition: all 0.3s var(--transition-smooth);
}

.hero-cta:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}

.hero-visual {
    width: 100%;
    height: 70vh;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-light) 50%, var(--color-surface) 100%);
    position: relative;
}

.hero-visual::after {
    content: '';
    position: absolute;
    inset: 2rem;
    border: 1px solid var(--color-accent);
    opacity: 0.3;
}

/* Sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-lg);
    padding: 0 var(--space-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 400;
}

.section-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.section-link:hover {
    color: var(--color-accent);
}

/* Featured Collections */
.featured {
    padding: var(--space-xl) 0;
}

.collection-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-sm);
    padding: 0 var(--space-lg);
}

.collection-card {
    position: relative;
    overflow: hidden;
}

.collection-card--large {
    grid-row: span 2;
}

.collection-image {
    aspect-ratio: 3/4;
    transition: transform 0.6s var(--transition-smooth);
}

.collection-card--large .collection-image {
    aspect-ratio: 1/1;
    height: 100%;
}

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

.collection-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    background: linear-gradient(transparent, rgba(15, 15, 15, 0.9));
}

.collection-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.collection-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.collection-price {
    font-size: 0.875rem;
    color: var(--color-accent);
}

/* Statement */
.statement {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
}

.statement-quote {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-style: italic;
    line-height: 1.3;
    max-width: 900px;
    margin: 0 auto var(--space-md);
}

.statement-author {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
}

/* Products */
.products {
    padding: var(--space-xl) 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    padding: 0 var(--space-lg);
}

.product-card {
    cursor: pointer;
}

.product-image {
    aspect-ratio: 3/4;
    margin-bottom: var(--space-sm);
    transition: transform 0.4s var(--transition-smooth);
}

.product-card:hover .product-image {
    transform: scale(1.02);
}

.product-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.product-category {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 0.875rem;
    color: var(--color-accent);
}

/* Values */
.values {
    padding: var(--space-xl) var(--space-lg);
    border-top: 1px solid var(--color-surface);
    border-bottom: 1px solid var(--color-surface);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.value-item {
    padding: var(--space-lg) 0;
}

.value-number {
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
    display: block;
}

.value-title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    font-weight: 400;
}

.value-desc {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Newsletter */
.newsletter {
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
}

.newsletter-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex: 1;
    background: transparent;
    border: 1px solid var(--color-surface);
    padding: 1rem 1.5rem;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.875rem;
}

.newsletter-input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-btn {
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: background 0.3s;
}

.newsletter-btn:hover {
    background: var(--color-accent);
}

/* Footer */
.footer {
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    border-top: 1px solid var(--color-surface);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: var(--color-text-muted);
    max-width: 250px;
}

.footer-heading {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

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

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-surface);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-social a:hover {
    color: var(--color-accent);
}

/* Responsive */
@media (max-width: 1024px) {
    .collection-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .collection-card--large {
        grid-row: span 1;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding: var(--space-lg);
        padding-top: 6rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .collection-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}