@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;800&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* Brand Design Tokens */
:root {
    --bg-color: #F8F9FA; /* Premium off-white */
    --card-bg: #FFFFFF; /* Pure white panels */
    --text-color: #111827; /* Deep charcoal for excellent contrast and readability */
    --text-muted: #4B5563; /* Dark gray for description readability */
    --accent-color: #A37E1C; /* Gold refined for legibility on white surfaces */
    --accent-glow: rgba(163, 126, 28, 0.12);
    --accent-light: #F4EAD4;
    --accent-rose: #9A5A64;
    --accent-platinum: #8E9196;
    --border-color: #E5E7EB; /* Subtle light borders */
    --gold-border: rgba(163, 126, 28, 0.2);
    --font-serif: 'Cinzel', serif;
    --font-sans: 'Montserrat', sans-serif;
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.04);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Base Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.6;
    letter-spacing: 0.03em;
}

/* Typography styling */
h1, h2, h3, h4, .brand-logo {
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: 0.08em;
}

a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition-smooth);
}

/* Premium Layout Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Section */
header {
    background: rgba(248, 249, 250, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.2rem 0;
    transition: var(--transition-smooth);
}

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

.brand-logo-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.brand-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent-color) 50%, #B8860B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.1);
}

.brand-subtitle {
    font-size: 0.6rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: -3px;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 2.2rem;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1.5px;
    background-color: var(--accent-color);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

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

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

/* Utility Actions (Cart, Wishlist, Currency Select) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Custom Currency Selector styling */
.currency-selector-wrapper {
    position: relative;
}

.currency-select {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1.8rem 0.5rem 1rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: var(--transition-smooth);
}

.currency-select:hover, .currency-select:focus {
    border-color: var(--accent-color);
    background: var(--bg-color);
    outline: none;
}

.currency-select option {
    background: var(--card-bg);
    color: var(--text-color);
}

.currency-selector-wrapper::after {
    content: '▾';
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-55%);
    font-size: 0.7rem;
    color: var(--text-muted);
    pointer-events: none;
}

/* Icon Buttons for Cart and Wishlist */
.icon-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.3rem;
    cursor: pointer;
    position: relative;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.icon-btn:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: var(--bg-color);
    font-size: 0.65rem;
    font-weight: 700;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Live Rate Ticker Bar */
.ticker-bar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    padding: 0.7rem 0;
    position: relative;
}

.ticker-wrap {
    display: flex;
    width: 100%;
}

.ticker-content {
    display: flex;
    gap: 3.5rem;
    white-space: nowrap;
    animation: tickerLoop 30s linear infinite;
    padding-left: 100%;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.ticker-label {
    color: var(--text-muted);
    text-transform: uppercase;
}

.ticker-value {
    color: var(--text-color);
    font-weight: 600;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.live-dot {
    background: #10B981;
    box-shadow: 0 0 8px #10B981;
    animation: blink 1.5s infinite;
}

/* Animations */
@keyframes tickerLoop {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-100%, 0, 0); }
}

@keyframes blink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 65vh;
    min-height: 480px;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, rgba(248, 249, 250, 0.96) 30%, rgba(248, 249, 250, 0.5) 60%, rgba(248, 249, 250, 0) 100%),
                url('../assets/hero_jewellery.jpg') no-repeat center center;
    background-size: cover;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero-subtitle {
    color: var(--accent-color);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    font-weight: 600;
    margin-bottom: 0.8rem;
    display: inline-block;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.2rem;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-color);
    border: 1px solid var(--accent-color);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.7rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
}

/* SPA Tabs Layout */
.tab-panel {
    display: none;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    padding: 5rem 0;
}

.tab-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Section Header Style */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-subtitle {
    color: var(--accent-color);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.25em;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 1.2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1.5px;
    background-color: var(--accent-color);
}

.section-desc {
    color: var(--text-muted);
    font-weight: 300;
    font-size: 0.95rem;
}

/* Catalog Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    gap: 2rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    gap: 0.8rem;
    overflow-x: auto;
    padding-bottom: 5px;
}

.filter-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(212, 175, 55, 0.05);
}

.search-wrapper {
    position: relative;
    max-width: 320px;
    width: 100%;
}

.search-input {
    width: 100%;
    background: #F3F4F6;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.6rem 1rem 0.6rem 2.2rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.search-input:focus {
    border-color: var(--accent-color);
    background: #FFFFFF;
    outline: none;
    box-shadow: 0 0 10px rgba(163, 126, 28, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}

/* Catalog Grid */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
}

.catalog-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.catalog-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-border);
    box-shadow: var(--shadow-premium);
}

.catalog-card-image-wrapper {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: #F3F4F6;
}

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

.catalog-card:hover .catalog-card-image {
    transform: scale(1.08);
}

.wishlist-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
    z-index: 10;
}

.wishlist-btn:hover {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.95);
    color: #EF4444;
}

.wishlist-btn.wishlist-active {
    color: #EF4444;
    border-color: rgba(239, 68, 68, 0.2);
}

.catalog-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.catalog-card-category {
    font-size: 0.65rem;
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}

.catalog-card-title {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.catalog-card-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    flex-grow: 1;
}

.catalog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    margin-top: auto;
}

.catalog-card-price {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* Customizer Builder Section */
.customizer-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 968px) {
    .customizer-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.customizer-preview-container {
    background: linear-gradient(135deg, #FDFBF7 0%, #F5F1E6 100%);
    border: 1px solid var(--gold-border);
    border-radius: 8px;
    padding: 2rem;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-premium), 0 0 40px rgba(163, 126, 28, 0.05);
}

/* Sparkle highlight animation overlays on container */
.customizer-preview-container::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px; right: -1px; bottom: -1px;
    background: linear-gradient(135deg, rgba(212,175,55,0.2) 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,0) 60%, rgba(212,175,55,0.2) 100%);
    border-radius: 8px;
    pointer-events: none;
    z-index: 1;
}

.customizer-canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.customizer-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Customizer Control Panel */
.customizer-panel {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.customizer-group-title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.6rem;
    margin-bottom: 1rem;
}

.customizer-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.custom-option-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.6rem 1.4rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.custom-option-btn:hover {
    border-color: rgba(255,255,255,0.3);
    background: rgba(255, 255, 255, 0.04);
}

.custom-option-btn.active {
    border-color: var(--accent-color);
    background: rgba(212, 175, 55, 0.08);
    color: var(--accent-color);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.1);
}

/* Color Circle for Option buttons */
.color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
    vertical-align: middle;
}

/* Price Details Summary card */
.customizer-price-sheet {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    font-size: 0.85rem;
}

.price-sheet-row {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
}

.price-sheet-row.total-row {
    border-top: 1px solid var(--border-color);
    padding-top: 0.8rem;
    margin-top: 0.4rem;
    color: var(--text-color);
    font-size: 1.15rem;
    font-weight: 600;
}

.price-sheet-row.total-row .value {
    color: var(--accent-color);
    font-family: var(--font-serif);
}

/* Rates Desk Page */
.rates-layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
}

@media (max-width: 968px) {
    .rates-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.panel-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2.2rem;
    box-shadow: var(--shadow-premium);
}

.panel-card-title {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Live rates pricing table */
.premium-table-wrapper {
    overflow-x: auto;
}

.premium-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.premium-table th {
    border-bottom: 1.5px solid var(--border-color);
    padding: 1rem 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.premium-table td {
    padding: 1.1rem 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.premium-table tr:hover td {
    background: rgba(0, 0, 0, 0.015);
}

.text-accent {
    color: var(--accent-color) !important;
}

.font-bold {
    font-weight: 600;
}

/* Calculator Inputs styling */
.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    font-weight: 500;
}

.form-row-split {
    display: grid;
    grid-template-columns: 1fr 100px;
    gap: 1rem;
}

.form-input, .form-select {
    background: #F3F4F6;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.8rem 1.2rem;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    width: 100%;
}

.form-input:focus, .form-select:focus {
    border-color: var(--accent-color);
    background: #FFFFFF;
    outline: none;
    box-shadow: 0 0 12px rgba(163, 126, 28, 0.1);
}

.calc-result-card {
    background: rgba(212, 175, 55, 0.04);
    border: 1px solid var(--gold-border);
    border-radius: 6px;
    padding: 1.5rem;
    text-align: center;
    margin-top: 1rem;
}

.calc-result-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.calc-result-value {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

/* Heritage Section */
.heritage-story-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 6rem;
}

@media (max-width: 968px) {
    .heritage-story-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.heritage-story-image-wrapper {
    border: 1px solid var(--gold-border);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-premium);
}

.heritage-story-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.heritage-story-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.heritage-story-text p {
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 1.5rem;
}

/* Concierge Booking Interface */
.booking-section-wrapper {
    border-top: 1px solid var(--border-color);
    padding-top: 5rem;
}

.booking-calendar-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2.5rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-premium);
}

.booking-step-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    display: block;
    text-align: center;
}

/* Calendar Grid */
.booking-calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.calendar-day-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 1rem 0.5rem;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.calendar-day-btn:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.calendar-day-btn.active {
    border-color: var(--accent-color);
    background: rgba(212, 175, 55, 0.08);
    box-shadow: 0 0 15px rgba(212,175,55,0.1);
}

.calendar-day-btn .day-name {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.2rem;
}

.calendar-day-btn .day-num {
    font-size: 1.5rem;
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--text-color);
}

.calendar-day-btn.active .day-num {
    color: var(--accent-color);
}

.calendar-day-btn .day-month {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* Time Grid */
.booking-time-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.time-slot-btn {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.7rem 0.5rem;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.time-slot-btn:hover {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.time-slot-btn.active {
    border-color: var(--accent-color);
    background: rgba(212, 175, 55, 0.08);
    color: var(--accent-color);
}

/* Sliding Cart Drawer */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    max-width: 100%;
    height: 100vh;
    background: #0E0E10;
    border-left: 1px solid var(--border-color);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer.open {
    right: 0;
}

.drawer-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-title {
    font-size: 1.3rem;
    font-family: var(--font-serif);
}

.drawer-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

.drawer-close:hover {
    color: var(--text-color);
}

.drawer-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 2rem;
}

/* Cart Item Cards */
.cart-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 1.2rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    background: #E5E7EB;
}

.cart-item-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.cart-item-title {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
    color: var(--text-color);
    font-family: var(--font-serif);
}

.cart-item-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.cart-item-price {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cart-item-quantity {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: fit-content;
}

.qty-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.qty-val {
    font-size: 0.8rem;
    width: 25px;
    text-align: center;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    position: absolute;
    top: 0;
    right: 0;
}

.cart-item-remove:hover {
    color: #EF4444;
}

.drawer-footer {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
}

.cart-subtotal-row {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.cart-subtotal-row span {
    font-weight: 500;
}

.cart-subtotal-row .subtotal-value {
    color: var(--accent-color);
    font-family: var(--font-serif);
    font-weight: 700;
}

.empty-cart-message {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

/* Modals styling */
.app-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.app-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--gold-border);
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    padding: 3rem;
    position: relative;
    box-shadow: var(--shadow-premium);
}

.modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 0.5;
}

.modal-close:hover {
    color: var(--text-color);
}

.text-center { text-align: center; }
.text-left { text-align: left; }

/* Toast Notifications */
.app-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translate(-50%, 100px);
    background: #141416;
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    padding: 0.8rem 2rem;
    border-radius: 4px;
    z-index: 3000;
    font-size: 0.85rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    font-weight: 500;
    white-space: nowrap;
}

.app-toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* Footer Section */
footer {
    background: #F3F4F6;
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 3rem 0;
    color: var(--text-color);
    font-size: 0.85rem;
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-col-title {
    color: var(--text-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    font-family: var(--font-serif);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 3px;
}

.footer-desc {
    font-weight: 300;
    line-height: 1.7;
    margin-top: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copyright {
    font-size: 0.75rem;
}

.footer-badges {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   GLOBAL DEVICE RESPONSIVENESS (MOBILE, TABLET, FOLDABLE & HIGH-DPI DEVICES)
   ========================================================================== */

/* Medium Devices (Tablets, small laptops - max 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    .hero-title {
        font-size: 2.8rem;
    }
    .customizer-layout {
        gap: 2.5rem;
    }
}

/* Mobile & Squeezed Viewports (max 768px) */
@media (max-width: 768px) {
    header {
        padding: 1rem 0;
    }
    .header-container {
        flex-wrap: wrap;
        gap: 0.8rem;
        justify-content: space-between;
        padding: 0 1rem;
    }
    .brand-logo-wrapper {
        flex-direction: row;
        gap: 8px;
        align-items: baseline;
    }
    .brand-logo {
        font-size: 1.4rem;
    }
    .brand-subtitle {
        font-size: 0.5rem;
        letter-spacing: 0.25em;
        margin-top: 0;
    }
    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        gap: 1.5rem;
        overflow-x: auto;
        padding: 0.6rem 0;
        border-top: 1px solid var(--border-color);
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    .nav-menu::-webkit-scrollbar {
        display: none;
    }
    .nav-link {
        font-size: 0.75rem;
        padding: 0.3rem 0;
        white-space: nowrap;
    }
    .header-actions {
        width: auto;
        order: 2;
        gap: 0.8rem;
        border-top: none;
        padding-top: 0;
    }
    .currency-selector-wrapper {
        width: auto;
    }
    .currency-select {
        padding: 0.3rem 1.4rem 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
    .dropdown-content {
        position: fixed;
        top: 110px;
        left: 5%;
        right: 5%;
        width: 90%;
        transform: none;
        box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
        background: var(--card-bg);
        border: 1px solid var(--border-color);
    }
    
    .hero-section {
        height: auto;
        padding: 5rem 0;
        background: linear-gradient(to bottom, rgba(10, 10, 11, 0.95) 50%, rgba(10, 10, 11, 0.6) 100%),
                    url('../assets/hero_jewellery.jpg') no-repeat center center;
        background-size: cover;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-desc {
        font-size: 0.9rem;
    }
    .btn-group {
        justify-content: center;
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }
    .btn {
        width: 100%;
        padding: 0.8rem 1.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    .section-header {
        margin-bottom: 2.5rem;
    }
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 1.2rem;
    }
    .search-wrapper {
        max-width: 100%;
    }
    
    .rates-layout {
        gap: 2rem;
    }
    .panel-card {
        padding: 1.5rem;
    }
    
    .booking-calendar-wrapper {
        padding: 1.5rem;
    }
    .booking-calendar-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .booking-time-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Sliding drawer responsive sizes */
    .cart-drawer {
        width: 100%;
        right: -100%;
    }
    .modal-content {
        padding: 2rem 1.5rem;
        width: 95%;
    }
}

/* Extra Small Devices (Compact phones, outer screens of foldables - max 420px) */
@media (max-width: 420px) {
    .nav-menu {
        gap: 0.8rem;
    }
    .nav-link {
        font-size: 0.7rem;
    }
    .hero-title {
        font-size: 1.8rem;
    }
    .booking-calendar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .booking-time-grid {
        grid-template-columns: 1fr;
    }
}

/* Touch-friendly device adjustments (min 44px tap target checks) */
@media (pointer: coarse) {
    .btn, .filter-btn, .custom-option-btn, .time-slot-btn, .qty-btn, .icon-btn, .currency-select {
        min-height: 44px;
    }
    .qty-btn {
        width: 38px;
        height: 38px;
    }
    .wishlist-btn {
        width: 44px;
        height: 44px;
    }
}

/* Landscape orientation optimization for small mobile devices */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        padding: 3rem 0;
    }
    .tab-panel {
        padding: 2rem 0;
    }
}

/* Admin Panel Grid layout */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 968px) {
    .admin-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Dropdown Navigation Menu */
.dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--card-bg);
    min-width: 200px;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    z-index: 1000;
    margin-top: 8px;
}

.dropdown-content a {
    color: var(--text-color) !important;
    padding: 0.8rem 1.2rem;
    text-decoration: none;
    display: block;
    font-size: 0.75rem;
    font-family: var(--font-sans);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    border-bottom: 1px solid var(--border-color);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: rgba(163, 126, 28, 0.05);
    color: var(--accent-color) !important;
}

.dropdown-wrapper:hover .dropdown-content,
.dropdown-wrapper.dropdown-active .dropdown-content {
    display: block;
}

/* Dedicated Product Details Page Layout */
.product-page-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
    margin-top: 1rem;
}

@media (max-width: 968px) {
    .product-page-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .product-page-gallery {
        position: static;
    }
}

.product-page-gallery {
    position: sticky;
    top: 120px;
}

.product-page-gallery img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-premium);
    object-fit: cover;
    aspect-ratio: 1;
}

.product-page-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-page-meta-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.product-page-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--text-color);
    margin: 0;
    line-height: 1.25;
    letter-spacing: 0.02em;
}

.product-page-category {
    font-size: 0.75rem;
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.product-page-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin: 0.5rem 0;
    font-family: var(--font-sans);
}

.product-page-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.product-specs-list {
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
    line-height: 1.6;
}

.product-page-checkout-box {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Dynamic grid adjustments for small smartphones and foldables */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    .catalog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .product-page-meta-card {
        padding: 1.5rem;
    }
    .product-page-title {
        font-size: 1.6rem;
    }
}

/* Floating WhatsApp Concierge Widget (Inspired by The Kada Hub) */
.concierge-floating-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2500;
}

.concierge-trigger-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #111827;
    border: 1px solid var(--gold-border);
    color: var(--accent-color);
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(163, 126, 28, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.concierge-trigger-btn:hover {
    transform: scale(1.08) translateY(-3px);
    box-shadow: 0 15px 40px rgba(163, 126, 28, 0.4);
    background: #1F2937;
}

.concierge-popup-card {
    display: none;
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 290px;
    background: var(--card-bg);
    border: 1px solid var(--gold-border);
    border-radius: 8px;
    box-shadow: var(--shadow-premium), 0 20px 50px rgba(0,0,0,0.15);
    overflow: hidden;
    animation: fadeSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.concierge-popup-card.open {
    display: block;
}

.concierge-popup-header {
    background: #111827;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.concierge-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(163, 126, 28, 0.1);
    border: 1px solid var(--gold-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.concierge-popup-body {
    padding: 1.2rem;
    background: var(--card-bg);
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .concierge-floating-widget {
        bottom: 1.5rem;
        right: 1.5rem;
    }
    .concierge-trigger-btn {
        width: 52px;
        height: 52px;
    }
    .concierge-popup-card {
        right: -10px;
        width: 270px;
    }
}