/* ============================================
   leo_guzal — Design System
   ============================================ */

/* CSS Variables */
:root {
    /* Noir Editorial Palette */
    --color-bg: #0F0F0F;
    --color-surface: #2A2A2A;
    --color-text: #E8E4DF;
    --color-text-muted: #A39E93;
    --color-accent: #C8B8A0;
    --color-accent-hover: #D4C5A9;
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-lg);
    transition: background-color var(--transition-medium), padding var(--transition-medium);
}

.nav.scrolled {
    background-color: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--space-sm) var(--space-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-medium);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-xs);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background-color: var(--color-text);
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.menu-toggle.active span:first-child {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-toggle.active span:last-child {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-text);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: calc(var(--space-3xl) + 60px) var(--space-xl) var(--space-3xl);
    gap: var(--space-xl);
    max-width: 1600px;
    margin: 0 auto;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.hero-title .line {
    display: block;
}

.hero-title .line:last-child {
    font-style: italic;
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 400px;
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    height: 100%;
    min-height: 500px;
    overflow: hidden;
    animation: fadeIn 1.2s ease-out 0.3s both;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%) contrast(1.1);
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

.hero-image:hover img {
    transform: scale(1.02);
    filter: grayscale(0%) contrast(1);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-medium);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.btn-secondary:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

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

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ============================================
   Section Styles
   ============================================ */

.section-header {
    margin-bottom: var(--space-xl);
}

.section-header.centered {
    text-align: center;
}

.section-eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* ============================================
   Collections Section
   ============================================ */

.collections {
    padding: var(--space-3xl) var(--space-xl);
    max-width: 1600px;
    margin: 0 auto;
}

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

.collection-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    cursor: pointer;
}

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

.collection-image {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.collection-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%) contrast(1.1);
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

.collection-card:hover .collection-image img {
    transform: scale(1.05);
    filter: grayscale(0%) contrast(1);
}

.collection-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg);
    background: linear-gradient(transparent, rgba(15, 15, 15, 0.9));
    transform: translateY(20px);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.collection-card:hover .collection-info {
    transform: translateY(0);
    opacity: 1;
}

.collection-info h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
}

.collection-info p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.collection-link {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.collection-link .arrow {
    transition: transform var(--transition-fast);
}

.collection-link:hover .arrow {
    transform: translateX(4px);
}

/* ============================================
   New Arrivals Section
   ============================================ */

.new-arrivals {
    padding: var(--space-3xl) var(--space-xl);
    background-color: var(--color-surface);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    max-width: 1600px;
    margin: 0 auto;
}

.product-card {
    cursor: pointer;
}

.product-image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    margin-bottom: var(--space-sm);
    background-color: var(--color-bg);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: transform var(--transition-medium), filter var(--transition-medium);
}

.product-card:hover .product-image img {
    transform: scale(1.03);
    filter: grayscale(0%);
}

.quick-view {
    position: absolute;
    bottom: var(--space-sm);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-text);
    color: var(--color-bg);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.product-card:hover .quick-view {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.product-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 0.5rem 1rem;
    background-color: var(--color-accent);
    color: var(--color-bg);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.product-info h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
}

.product-price {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.product-color {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   About Section
   ============================================ */

.about {
    padding: var(--space-3xl) var(--space-xl);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.about-image {
    position: relative;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    filter: grayscale(30%) contrast(1.1);
}

.about-content {
    max-width: 500px;
}

.about-content .section-title {
    margin-bottom: var(--space-md);
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.text-link {
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.text-link .arrow {
    transition: transform var(--transition-fast);
}

.text-link:hover .arrow {
    transform: translateX(4px);
}

/* ============================================
   Newsletter Section
   ============================================ */

.newsletter {
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    margin-bottom: var(--space-sm);
}

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

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

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

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.newsletter-note {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: var(--space-3xl) var(--space-xl) var(--space-lg);
    border-top: 1px solid var(--color-surface);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 1400px;
    margin: 0 auto var(--space-3xl);
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    max-width: 280px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

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

.footer-links h5 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-surface);
    max-width: 1400px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: calc(var(--space-2xl) + 60px);
    }
    
    .hero-content {
        order: 2;
    }
    
    .hero-image {
        order: 1;
        min-height: 400px;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .collections-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .collection-card.large {
        grid-row: span 1;
        grid-column: span 2;
        aspect-ratio: 16/9;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .about-image {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .about-content {
        max-width: 600px;
        margin: 0 auto;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .collections-grid {
        grid-template-columns: 1fr;
    }
    
    .collection-card.large {
        grid-column: span 1;
        aspect-ratio: 3/4;
    }
    
    .collection-info {
        transform: translateY(0);
        opacity: 1;
        background: linear-gradient(transparent 30%, rgba(15, 15, 15, 0.95));
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.75rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}