/* =========================================
   VARIABLES & GLOBALS
========================================= */
:root {
    /* Colors */
    --clr-bg: #0f172a;
    --clr-surface: #1e293b;
    --clr-surface-light: #334155;
    --clr-primary: #d4af37; /* Gold accent */
    --clr-primary-dark: #aa8c2c;
    --clr-text: #f8fafc;
    --clr-text-muted: #94a3b8;
    
    /* Gradients */
    --grad-glass: rgba(30, 41, 59, 0.7);
    --grad-glass-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Transitions */
    --trans-fast: 0.2s ease;
    --trans-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: var(--space-2xl) 0;
}

.text-center { text-align: center; }
.bg-dark { background-color: rgba(0, 0, 0, 0.3); }
.w-100 { width: 100%; }

/* =========================================
   TYPOGRAPHY
========================================= */
.section-header {
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-sm);
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--clr-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================
   BUTTONS
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--trans-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--clr-primary);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--clr-text);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
}

.btn-outline:hover {
    background-color: var(--clr-primary);
    color: #000;
}

.btn-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--clr-primary);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: transform 0.3s;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.link-btn {
    font-weight: 600;
    color: var(--clr-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.link-btn:hover {
    color: #fff;
}

/* =========================================
   NAVBAR
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.25rem 0;
    z-index: 1000;
    transition: all var(--trans-normal);
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--grad-glass-border);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-primary);
}

.logo span {
    color: #fff;
    font-weight: 300;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-primary);
    transition: width var(--trans-fast);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--clr-text);
    cursor: pointer;
}

/* =========================================
   HERO
========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.05); /* initial scale for animation */
    animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border: 1px solid var(--grad-glass-border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--clr-text-muted);
    margin-bottom: 2.5rem;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =========================================
   COLLECTIONS GRID
========================================= */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.glass-card {
    background: var(--grad-glass);
    border: 1px solid var(--grad-glass-border);
    border-radius: 1.5rem;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: transform var(--trans-normal), box-shadow var(--trans-normal);
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: rgba(212, 175, 55, 0.3);
}

.card-image-wrapper {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover .card-image {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--trans-fast);
}

.glass-card:hover .card-overlay {
    opacity: 1;
}

.card-content {
    padding: 2rem;
}

.category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-primary);
    font-weight: 600;
}

.card-content h3 {
    font-size: 1.5rem;
    margin: 0.5rem 0 1rem;
}

.card-content p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.price {
    font-weight: 700;
    font-size: 1.1rem;
}

/* =========================================
   FEATURES
========================================= */
.feature-box {
    padding: 2rem 1rem;
}

.icon-circle {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all var(--trans-normal);
}

.icon-circle svg {
    width: 30px;
    height: 30px;
}

.feature-box:hover .icon-circle {
    background: var(--clr-primary);
    color: #000;
    transform: translateY(-5px);
}

.feature-box h4 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.feature-box p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

/* =========================================
   CONTACT
========================================= */
.glass-panel {
    background: var(--grad-glass);
    border: 1px solid var(--grad-glass-border);
    border-radius: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
}

.contact-info {
    padding: 4rem;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--clr-text-muted);
    margin-bottom: 3rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.info-item i {
    color: var(--clr-primary);
    margin-top: 0.2rem;
}

.info-item span {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #fff;
}

.info-item a, .info-item p {
    color: var(--clr-text-muted);
}

.info-item a:hover {
    color: var(--clr-primary);
}

.contact-form {
    padding: 4rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: #fff;
    font-family: inherit;
    transition: border-color var(--trans-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-primary);
    background: rgba(0, 0, 0, 0.4);
}

/* =========================================
   FOOTER
========================================= */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--grad-glass-border);
    background: #0b1120;
}

.footer-logo {
    justify-content: center;
    margin-bottom: 1rem;
}

.footer p {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
}

/* =========================================
   ANIMATIONS
========================================= */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease;
}

.fade-up.visible,
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* =========================================
   RESPONSIVE DESIGN
========================================= */
@media (max-width: 900px) {
    .glass-panel {
        grid-template-columns: 1fr;
    }
    .contact-info, .contact-form {
        padding: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide for simple MVP, could add hamburger menu logic */
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
}