/**
 * KKC Gems - Premium Design System
 * Enhanced Luxury Aesthetic with Glassmorphism & Micro-animations
 */

/* ==========================================================================
   CSS Variables & Tokens
   ========================================================================== */
:root {
    /* Color Palette - Matching the Logo's Rose Gold */
    --clr-primary: #C69485; /* Mid Rose Gold */
    --clr-primary-light: #EAD3CD; /* Highlight Rose Gold */
    --clr-primary-dark: #8B5A4D; /* Shadow Rose Gold */
    
    --clr-rose: #b17b6d; /* Secondary Rose */
    --clr-rose-light: #dfc1b8;
    
    --clr-midnight: #1A1A24; /* Deep Elegant Midnight */
    --clr-midnight-light: #2A2A35;
    
    --clr-accent: #F9F6F0; /* Soft Pearl */
    --clr-text-main: #333333;
    --clr-text-light: #666666;
    --clr-text-muted: #999999;
    
    --clr-bg-main: #FFFFFF;
    --clr-bg-light: #FAF8F5; 
    
    --clr-border: rgba(0, 0, 0, 0.08);
    --clr-border-gold: rgba(198, 148, 133, 0.3);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lato', sans-serif;
    
    /* Shadows & Effects */
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.04);
    --shadow-hover: 0 10px 40px rgba(0,0,0,0.08);
    --shadow-gold: 0 8px 25px rgba(198, 148, 133, 0.35);
    
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-normal: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Radii */
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 24px;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
body {
    font-family: var(--font-body);
    color: var(--clr-text-main);
    background-color: var(--clr-bg-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-midnight);
    font-weight: 600;
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
}

a {
    color: var(--clr-rose);
    text-decoration: none;
    transition: var(--transition-normal);
}

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

/* ==========================================================================
   Utilities & Typography
   ========================================================================== */
.text-primary { color: var(--clr-primary) !important; }
.text-rose { color: var(--clr-rose) !important; }
.bg-primary { background-color: var(--clr-primary) !important; }
.bg-midnight { background-color: var(--clr-midnight) !important; }
.bg-light-warm { background-color: var(--clr-bg-light) !important; }

.section-padding {
    padding: 100px 0;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
    padding-bottom: 20px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-rose));
    border-radius: 2px;
}

.gradient-text {
    background: linear-gradient(45deg, var(--clr-primary), var(--clr-rose));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    font-family: var(--font-body);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 14px 35px;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255,255,255,0.1);
    transition: var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, var(--clr-primary-dark), var(--clr-primary));
    border: none;
    color: #fff;
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(45deg, var(--clr-primary), var(--clr-primary-light));
    color: var(--clr-midnight);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(198, 148, 133, 0.4);
}

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

.btn-outline-primary:hover {
    background: var(--clr-primary);
    color: #fff;
    box-shadow: var(--shadow-gold);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.topbar {
    background: linear-gradient(90deg, var(--clr-midnight) 0%, #2a2a35 100%);
    color: rgba(255,255,255,0.7);
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    border-bottom: 1px solid rgba(198, 148, 133, 0.2);
}

.topbar-link {
    color: rgba(255,255,255,0.7);
    transition: var(--transition-fast);
}

.topbar-link:hover {
    color: var(--clr-primary-light);
}

.header {
    transition: all 0.4s ease;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--clr-border-gold);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.header.scrolled {
    box-shadow: var(--shadow-soft);
}

.header .nav-link, .header .nav-icon, .header .navbar-brand {
    color: var(--clr-midnight) !important;
    transition: var(--transition-fast);
}

.navbar-brand {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 3px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 10px 18px !important;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-primary-light));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: center;
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
}

.dropdown-menu {
    border-radius: var(--radius-sm);
    border: 1px solid var(--clr-border-gold);
    box-shadow: var(--shadow-soft);
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
}

.dropdown-item {
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 20px;
    color: var(--clr-midnight);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--clr-bg-light);
    color: var(--clr-primary);
    padding-left: 25px;
}

.nav-icon {
    position: relative;
}
.nav-icon:hover {
    transform: translateY(-2px);
    color: var(--clr-primary) !important;
}
.cart-count {
    background: linear-gradient(45deg, var(--clr-primary-dark), var(--clr-primary));
    font-size: 0.65rem;
    box-shadow: 0 2px 5px rgba(198, 148, 133, 0.4);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 10s linear;
}

.carousel-item.active .hero-bg {
    transform: scale(1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(26, 26, 36, 0.8) 0%, rgba(26, 26, 36, 0.4) 50%, rgba(26, 26, 36, 0.1) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    padding: 50px 0;
}

.hero-subtitle {
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: var(--clr-primary);
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
    position: relative;
    padding-left: 50px;
}

.hero-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 35px;
    height: 2px;
    background-color: var(--clr-primary);
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
    color: #ffffff;
    font-weight: 700;
}

.hero-text {
    color: rgba(255,255,255,0.8);
    font-size: 1.2rem;
    margin-bottom: 40px;
    font-weight: 300;
}

/* ==========================================================================
   Product Cards
   ========================================================================== */
.product-card {
    border: none;
    border-radius: var(--radius-md);
    background: #fff;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-8px);
}

.product-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1.1;
    background-color: var(--clr-bg-light);
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

.product-action {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 20px;
    border-radius: 30px;
    display: flex;
    gap: 15px;
    opacity: 0;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--glass-border);
}

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

.action-btn {
    color: var(--clr-midnight);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.action-btn:hover {
    color: var(--clr-rose);
    transform: scale(1.1);
}

.product-badges {
    position: absolute;
    top: 15px;
    left: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 2;
}

.badge-custom {
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 2px;
}

.badge-sale {
    background-color: var(--clr-rose);
    color: #fff;
}

.badge-new {
    background-color: var(--clr-midnight);
    color: #fff;
}

.product-info {
    padding: 25px 20px;
    text-align: center;
}

.product-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-text-muted);
    margin-bottom: 10px;
    display: block;
}

.product-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.product-title a {
    color: var(--clr-midnight);
}

.product-title a:hover {
    color: var(--clr-rose);
}

.product-price {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-primary-dark);
}

.price-old {
    text-decoration: line-through;
    color: var(--clr-text-muted);
    font-weight: 400;
    font-size: 0.95rem;
    margin-right: 10px;
}

/* ==========================================================================
   Category Cards
   ========================================================================== */
.category-card {
    position: relative;
    overflow: hidden;
    display: block;
    aspect-ratio: 3/4;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.category-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.2s ease;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26,26,36,0.8) 0%, rgba(26,26,36,0.2) 50%, rgba(0,0,0,0) 100%);
    z-index: 1;
    transition: var(--transition-normal);
}

.category-content {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 2;
    padding: 0 20px;
}

.category-title {
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 10px;
    transform: translateY(15px);
    transition: var(--transition-normal);
}

.category-link-text {
    color: var(--clr-primary-light);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.category-card:hover .category-img {
    transform: scale(1.1);
}

.category-card:hover::before {
    background: linear-gradient(to top, rgba(26,26,36,0.9) 0%, rgba(26,26,36,0.4) 60%, rgba(0,0,0,0) 100%);
}

.category-card:hover .category-title {
    transform: translateY(0);
}

.category-card:hover .category-link-text {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--clr-midnight);
    color: rgba(255,255,255,0.7);
    border-top: 4px solid;
    border-image: linear-gradient(to right, var(--clr-primary-dark), var(--clr-primary-light), var(--clr-primary-dark)) 1;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(198, 148, 133, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 25px;
    background: linear-gradient(45deg, #fff, var(--clr-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    padding-bottom: 15px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--clr-primary), transparent);
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition-fast);
    position: relative;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--clr-primary-light);
    padding-left: 8px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    color: var(--clr-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(198, 148, 133, 0.2);
}

.social-link:hover {
    background: linear-gradient(45deg, var(--clr-primary-dark), var(--clr-primary));
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(198, 148, 133, 0.2);
    border-color: transparent;
}

.newsletter-input {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(198, 148, 133, 0.3);
    color: #fff;
    padding: 12px 20px;
}

.newsletter-input:focus {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: var(--clr-primary);
    box-shadow: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05) !important;
}

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */
.form-control {
    border-radius: var(--radius-sm);
    border: 1px solid var(--clr-border);
    padding: 14px 20px;
    background-color: var(--clr-bg-light);
    transition: var(--transition-fast);
}

.form-control:focus {
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    border-color: var(--clr-primary);
    background-color: #fff;
}

/* ==========================================================================
   Preloader
   ========================================================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-midnight);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    text-align: center;
    animation: pulseLogo 2s infinite ease-in-out;
}

.preloader-logo {
    max-height: 120px;
    margin-bottom: 30px;
}

.preloader-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border: 3px solid rgba(198, 148, 133, 0.2);
    border-top: 3px solid var(--clr-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes pulseLogo {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.floating-element {
    animation: float 6s ease-in-out infinite;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
/* ==========================================================================
   WhatsApp Floating Widget
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
    color: #fff;
}

.whatsapp-float .whatsapp-label {
    position: absolute;
    right: 70px;
    background: #25D366;
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-float:hover .whatsapp-label {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

@media (max-width: 991.98px) {
    .header {
        background: var(--clr-midnight);
    }
    .header .nav-link, .header .nav-icon, .header .navbar-brand {
        color: #fff !important;
    }
    .brand-logo {
        height: 60px !important;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-content {
        padding: 30px 20px;
    }
    .category-title {
        font-size: 1.2rem;
        margin-bottom: 5px;
    }
    .category-link-text {
        font-size: 0.7rem;
        letter-spacing: 1px;
    }
}