/* 
 * LUMIÈRE - Premium Skincare Theme 
 * Minimal, Elegant, Responsive
 */

:root {
    /* Colors */
    --color-bg: #FAFAF9; /* Warm off-white */
    --color-text: #292524; /* Soft black/charcoal */
    --color-text-light: #78716C; /* Muted taupe */
    --color-primary: #44403C; /* Dark Stone */
    --color-accent: #D6CCC2; /* Beige accent */
    --color-white: #FFFFFF;
    --color-border: #E7E5E4;
    --color-success: #789C76;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 2rem;     /* 32px */
    --spacing-lg: 4rem;     /* 64px */
    --spacing-xl: 8rem;     /* 128px */
    
    /* Layout */
    --container-width: 1280px;
    --radius-sm: 4px;
    --radius-md: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; font-weight: 600; font-family: var(--font-body); letter-spacing: 0.05em; text-transform: uppercase; }

p { margin-bottom: var(--spacing-sm); }
a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.text-center { text-align: center; }
.mt-50 { margin-top: 50px; }
.hidden { display: none !important; }

.section { padding: var(--spacing-xl) 0; }
.bg-soft { background-color: #F5F5F4; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 0;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 1px solid var(--color-primary);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-primary);
    padding: 0.5rem 0;
    text-transform: none;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.btn-secondary:hover {
    opacity: 0.7;
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Navbar */
.announcement-bar {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(250, 250, 249, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1.25rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.95rem;
    color: var(--color-text);
    position: relative;
}

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

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

.nav-icons {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.icon-btn {
    position: relative;
    padding: 4px;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.icon-btn:hover { color: var(--color-text-light); }

.cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.7rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-menu-btn { display: none; }

/* Mini Cart */
.cart-icon-wrapper { position: relative; }

.mini-cart {
    position: absolute;
    top: 100%;
    right: 0;
    width: 350px;
    background: var(--color-white);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid var(--color-border);
    padding: var(--spacing-sm);
    z-index: 1100;
    transform-origin: top right;
    animation: scaleIn 0.2s ease-out;
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.mini-cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.mini-cart-items {
    max-height: 300px;
    overflow-y: auto;
}

.mini-cart-footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.subtotal {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.btn-block { width: 100%; text-align: center; }

/* Hero Section */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1616683693504-3ea7e9ad6fec?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    opacity: 0.9; /* Slightly washed out for text readability handled by overlay if needed, 
                     but here relying on the image being soft or using an overlay */
}

/* Add a subtle overlay */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.1);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    color: var(--color-primary); /* Dark text on light image generally, assuming light image */
}

/* If the image is dark, we'd switch to white text. 
   For the plan, I'll default to dark text on a light/beige aesthetic image. */

.eyebrow {
    display: block;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-sm);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.hero-btns {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    group: relative;
    transition: var(--transition-smooth);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    background-color: #f0f0f0;
    aspect-ratio: 4/5;
    margin-bottom: var(--spacing-sm);
}

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

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

.product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: rgba(255,255,255,0.9);
    transform: translateY(100%);
    transition: var(--transition-smooth);
    display: flex;
    justify-content: center;
}

.product-card:hover .product-overlay {
    transform: translateY(0);
}

.add-btn {
    background: var(--color-primary);
    color: var(--color-white);
    width: 100%;
    padding: 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    transition: opacity 0.2s;
}

.add-btn:hover { opacity: 0.9; }

.product-info { text-align: left; }
.product-cat {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.product-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 4px;
}
.product-price {
    font-weight: 500;
    color: var(--color-text);
}

/* Values Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.value-icon { font-size: 2.5rem; margin-bottom: var(--spacing-sm); }
.value-item h3 { font-size: 1.2rem; font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.05em; }
.value-item p { color: var(--color-text-light); font-size: 0.95rem; }

/* Split Section */
.split-section {
    display: flex;
    align-items: stretch;
    padding: 0;
    min-height: 600px;
}

.split-image, .split-content {
    flex: 1;
}

.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-content {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #EBEBE8; /* Slightly darker than bg */
    padding: var(--spacing-lg);
}

.content-wrapper { max-width: 450px; }

/* Footer */
.footer {
    background-color: #1c1917; /* Very dark charcoal */
    color: #e7e5e4;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
}

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

.footer .logo { color: var(--color-white); margin-bottom: var(--spacing-sm); display: inline-block; }
.footer-col h4 { color: var(--color-white); margin-bottom: 1.5rem; }

.footer-col a {
    display: block;
    color: #a8a29e;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.footer-col a:hover { color: var(--color-white); }

.footer-bottom {
    border-top: 1px solid #44403c;
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.85rem;
    color: #a8a29e;
}

/* Animations using keyframes */
.fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

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

/* Mobile Responsive */
@media (max-width: 900px) {
    h1 { font-size: 2.5rem; }
    .hero-content { padding: 0 var(--spacing-sm); }
    
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    
    .split-section { flex-direction: column; }
    .split-image { height: 400px; }
    .split-content { padding: var(--spacing-md); }
    
    .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
}

/* Mobile Menu Overlay Styles */
.mobile-menu-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--color-bg);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 0.4s ease-in-out;
}

.mobile-menu-overlay.active {
    transform: translateY(0);
}

.mobile-nav-links a {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    margin: var(--spacing-sm) 0;
    text-align: center;
}

.close-menu-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
}