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

:root {
    --primary-dark: #0a0a0a;
    --secondary-dark: #1a1a1a;
    --accent-gold: #d4af37;
    --accent-silver: #c0c0c0;
    --text-light: #ffffff;
    --text-muted: #a0a0a0;
    --ice-blue: #e3f2fd;
    --ice-cyan: #00bcd4;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacFont, 'Segoe UI', sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ==========================================
   Gold Flakes Animation
   ========================================== */
#gold-flakes-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.gold-flake {
    position: absolute;
    top: -10px;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 50%, #d4af37 100%);
    border-radius: 0; /* Changed from 50% to 0 for cube shape */
    box-shadow: 0 0 8px rgba(212, 175, 55, 0.8);
    animation: fall linear infinite;
}

@keyframes fall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Header & Navigation
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo-section {
    flex: 1;
}

.logo-link {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-light);
    font-family: 'Playfair Display', serif;
}

.logo-subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    font-weight: 300;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

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

.btn-contact {
    background: transparent;
    border: 1px solid var(--text-light);
    padding: 0.75rem 1.5rem;
    border-radius: 0;
}

.btn-contact:hover {
    background: var(--text-light);
    color: var(--primary-dark);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    font-family: 'Playfair Display', serif;
    background: linear-gradient(to right, #ffffff, #c0c0c0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-button {
    display: inline-block;
    padding: 1rem 3rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: transparent;
    border: 2px solid var(--text-light);
    color: var(--text-light);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.hero-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--text-light);
    transition: left 0.4s ease;
    z-index: -1;
}

.hero-button:hover::before {
    left: 0;
}

.hero-button:hover {
    color: var(--primary-dark);
}

/* ==========================================
   Innovation Badge
   ========================================== */
.innovation-badge {
    background: linear-gradient(90deg, transparent, var(--ice-cyan), transparent);
    padding: 1.5rem 0;
    text-align: center;
}

.badge-text {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    font-weight: 600;
    color: var(--primary-dark);
    text-transform: uppercase;
}

/* ==========================================
   Features Section
   ========================================== */
.features-section {
    padding: 8rem 0;
    background: var(--secondary-dark);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 5rem;
}

.section-label {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--accent-gold);
    text-transform: uppercase;
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Playfair Display', serif;
}

.section-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--primary-dark);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    color: var(--accent-gold);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.03em;
}

.feature-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-muted);
}

/* ==========================================
   Collections Section
   ========================================== */
.collections-section {
    padding: 8rem 0;
    background: var(--primary-dark);
}

.collections-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.1em;
    margin-bottom: 4rem;
    font-family: 'Playfair Display', serif;
}

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.collection-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4 / 3;
}

.collection-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.collection-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.collection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.8));
    display: flex;
    align-items: flex-end;
    padding: 2.5rem;
    transition: background 0.4s ease;
}

.collection-card:hover .collection-overlay {
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.9));
}

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

.collection-content {
    width: 100%;
}

.collection-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Playfair Display', serif;
}

.collection-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.collection-button {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--text-light);
    transition: all 0.3s ease;
}

.collection-button:hover {
    background: var(--text-light);
    color: var(--primary-dark);
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
    background: var(--secondary-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 600px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    font-family: 'Playfair Display', serif;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-link-group h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.footer-link-group a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.footer-link-group a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .collections-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-section {
        height: 80vh;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.2rem;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}