/* Aurum & Co. - Luxury Jewellery Styles */

:root {
    /* Monochrome Luxe Palette */
    --color-bg: #FAFAFA;
    --color-bg-alt: #F5F5F5;
    --color-surface: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-muted: #666666;
    --color-text-light: #999999;
    --color-accent: #B8860B;
    --color-accent-light: #D4AF37;
    --color-border: #E0E0E0;
    --color-border-light: #F0F0F0;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Manrope', -apple-system, sans-serif;
    
    /* Spacing */
    --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 ease;
    --transition-slow: 0.6s ease;
}

/* 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);
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 500;
}

h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

p {
    color: var(--color-text-muted);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-medium);
}

.nav.scrolled {
    border-bottom-color: var(--color-border-light);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

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

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    position: relative;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* 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 {
    padding-right: var(--space-xl);
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    letter-spacing: 0.1em;
}

.hero-title {
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.hero-text {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    max-width: 480px;
}

.hero-image {
    position: relative;
    height: 100%;
    min-height: 500px;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
}

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

/* Section Styles */
.section-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

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

.collection-card {
    position: relative;
    background: var(--color-surface);
    overflow: hidden;
    cursor: pointer;
}

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

.collection-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.collection-info {
    padding: var(--space-md);
}

.collection-info h3 {
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.collection-info p {
    font-size: 0.875rem;
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.link-arrow {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

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

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

/* About Section */
.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--color-bg-alt);
}

.about-image {
    position: relative;
    min-height: 600px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.about-content {
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-content p {
    margin-bottom: var(--space-md);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* Craftsmanship Section */
.craftsmanship {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-text);
    color: var(--color-bg);
}

.craftsmanship-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.craftsmanship .section-label {
    color: var(--color-accent-light);
}

.craftsmanship .section-title {
    color: var(--color-bg);
    margin-bottom: var(--space-2xl);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: left;
}

.process-step {
    position: relative;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-accent-light);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--space-sm);
    display: block;
}

.process-step h3 {
    color: var(--color-bg);
    margin-bottom: var(--space-xs);
    font-size: 1.25rem;
}

.process-step p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Featured Section */
.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: center;
    background: var(--color-bg);
}

.featured-content {
    padding: var(--space-3xl);
    order: 2;
}

.featured-content p {
    margin-bottom: var(--space-lg);
    font-size: 1.0625rem;
    line-height: 1.7;
    max-width: 480px;
}

.featured-image {
    position: relative;
    min-height: 600px;
    order: 1;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

/* Contact Section */
.contact {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-bg-alt);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content > p {
    font-size: 1.125rem;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.contact-item h4 {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.contact-item p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--color-text);
    color: var(--color-bg);
    padding: var(--space-3xl) var(--space-xl) var(--space-lg);
}

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

.footer-brand .logo {
    color: var(--color-bg);
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.footer-brand p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

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

.footer-column h4 {
    color: var(--color-bg);
    margin-bottom: var(--space-md);
    font-size: 0.75rem;
}

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

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

.footer-column a {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .collections-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        order: 2;
    }
    
    .hero-image {
        order: 1;
        min-height: 400px;
    }
    
    .hero-text {
        margin-left: auto;
        margin-right: auto;
    }
    
    .about {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        min-height: 400px;
        position: relative;
    }
    
    .about-image img {
        position: relative;
    }
    
    .featured {
        grid-template-columns: 1fr;
    }
    
    .featured-image {
        min-height: 400px;
        order: 2;
    }
    
    .featured-image img {
        position: relative;
    }
    
    .featured-content {
        order: 1;
        text-align: center;
    }
    
    .featured-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--space-md);
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--space-md);
        border-bottom: 1px solid var(--color-border);
        gap: var(--space-md);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: calc(var(--space-2xl) + 60px) var(--space-md) var(--space-2xl);
    }
    
    .collections {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .collections-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-content,
    .featured-content {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .contact {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .footer {
        padding: var(--space-2xl) var(--space-md) var(--space-lg);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

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

.hero-content > * {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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