/**
 * Chutal - Professional Electronics Trading Design System
 * Aesthetic: Flat + Minimal + Editorial + Professional + Functional + Modern Retail
 * Colors: Yellow (#F5C400), Black (#111111), Dark Gray (#262626), Medium Gray (#6B7280), Light Canvas (#F7F7F5)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;600&display=swap');

/* ==========================================================================
   1. CSS VARIABLES & DESIGN TOKENS
   ========================================================================== */
:root {
    /* Brand Colors */
    --brand-yellow: #F5C400;
    --brand-yellow-hover: #E0B400;
    --brand-yellow-subtle: #FEF9E6;
    --whatsapp-green: #25D366;
    --whatsapp-green-hover: #20BA57;

    /* Neutrals & Structural Grays */
    --primary-dark: #111111;
    --dark-gray: #262626;
    --charcoal: #374151;
    --text-muted: #6B7280;
    --text-light: #9CA3AF;
    --border-color: #E5E7EB;
    --border-dark: #374151;
    --bg-canvas: #F7F7F5;
    --bg-subtle: #EFEFEA;
    --white: #FFFFFF;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing Scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* Restrained Radii (Strictly 4px - 8px) */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    /* Shadows: Minimal flat elevation */
    --shadow-none: none;
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 3px 12px rgba(0, 0, 0, 0.06);

    /* Layout Constraints */
    --container-max: 1280px;
    --header-height: 72px;
    --top-bar-height: 34px;
}

/* ==========================================================================
   2. RESET & BASE ELEMENTS
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-canvas);
    color: var(--primary-dark);
    line-height: 1.55;
    font-size: 15px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 40px;
    font-weight: 700;
}

h2 {
    font-size: 30px;
    font-weight: 700;
}

h3 {
    font-size: 20px;
    font-weight: 600;
}

h4 {
    font-size: 16px;
    font-weight: 600;
}

p {
    color: var(--charcoal);
    font-size: 15px;
    line-height: 1.6;
}

.eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.eyebrow-accent {
    color: #997500;
    font-weight: 600;
}

.text-muted { color: var(--text-muted); }
.text-dark { color: var(--primary-dark); }
.text-white { color: #FFFFFF; }
.text-yellow { color: var(--brand-yellow); }
.font-mono { font-family: var(--font-mono); }

/* ==========================================================================
   4. LAYOUT & GRID UTILITIES
   ========================================================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.grid {
    display: grid;
    gap: 24px;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-grow { flex-grow: 1; }

.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

/* Spacing */
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-6 { padding-top: 24px; padding-bottom: 24px; }
.py-8 { padding-top: 32px; padding-bottom: 32px; }
.py-12 { padding-top: 48px; padding-bottom: 48px; }
.py-16 { padding-top: 64px; padding-bottom: 64px; }
.py-20 { padding-top: 80px; padding-bottom: 80px; }

.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }

/* ==========================================================================
   5. BUTTONS (FLAT, FUNCTIONAL, INTENTIONAL)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    user-select: none;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background-color: var(--brand-yellow);
    color: var(--primary-dark);
    border-color: var(--brand-yellow);
}

.btn-primary:hover {
    background-color: var(--brand-yellow-hover);
    border-color: var(--brand-yellow-hover);
    color: var(--primary-dark);
}

.btn-secondary, .btn-outline {
    background-color: transparent;
    color: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

.btn-outline-subtle {
    background-color: transparent;
    color: var(--primary-dark);
    border-color: var(--border-color);
}

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

.btn-dark {
    background-color: var(--primary-dark);
    color: var(--white);
    border-color: var(--primary-dark);
}

.btn-dark:hover {
    background-color: var(--dark-gray);
    border-color: var(--dark-gray);
    color: var(--white);
}

.btn-whatsapp {
    background-color: var(--whatsapp-green);
    color: var(--white);
    border-color: var(--whatsapp-green);
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-green-hover);
    border-color: var(--whatsapp-green-hover);
    color: var(--white);
}

.btn-sm {
    height: 36px;
    padding: 0 14px;
    font-size: 13px;
}

.btn-lg {
    height: 48px;
    padding: 0 24px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
}

/* ==========================================================================
   6. TOP INFORMATION BAR (NARROW, CLEAN, COMMERCIALLY INFORMATIVE)
   ========================================================================== */
.top-info-bar {
    height: var(--top-bar-height);
    background-color: var(--primary-dark);
    color: #A3A3A3;
    font-size: 12px;
    border-bottom: 1px solid #222222;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1010;
}

.top-info-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.top-info-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-info-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.top-info-link {
    color: #D4D4D4;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.top-info-link:hover {
    color: var(--brand-yellow);
}

.top-info-badge {
    background-color: #222222;
    color: var(--brand-yellow);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    font-weight: 600;
}

/* ==========================================================================
   7. MAIN HEADER & NAVIGATION (72PX, CRISP WHITE, 1PX BORDER)
   ========================================================================== */
header {
    height: var(--header-height);
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

header .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--primary-dark);
    flex-shrink: 0;
}

.logo-accent {
    color: #C29A00;
}

.logo-sub {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 18px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    color: var(--dark-gray);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 0;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-dark);
}

.nav-links a.active {
    color: var(--primary-dark);
    font-weight: 600;
}

.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--brand-yellow);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Header Search Form */
.header-search {
    position: relative;
    width: 220px;
}

.header-search input {
    width: 100%;
    height: 38px;
    background-color: var(--bg-canvas);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0 34px 0 12px;
    font-size: 13px;
    color: var(--primary-dark);
    outline: none;
    transition: border-color 0.15s, background-color 0.15s;
}

.header-search input:focus {
    border-color: var(--primary-dark);
    background-color: var(--white);
}

.header-search button {
    position: absolute;
    right: 0;
    top: 0;
    height: 38px;
    width: 34px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

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

.hamburger-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    cursor: pointer;
    font-size: 16px;
}

.hamburger-btn:hover {
    background-color: var(--bg-canvas);
}

/* Mobile Drawer */
.mobile-menu-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1100;
}

.mobile-menu-backdrop.active {
    display: block;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100%;
    background-color: var(--white);
    z-index: 1200;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);
}

.mobile-menu-overlay.open {
    transform: translateX(0);
}

.mobile-menu-header {
    height: var(--header-height);
    padding: 0 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
}

.mobile-menu-list {
    list-style: none;
    padding: 16px 0;
    flex-grow: 1;
    overflow-y: auto;
}

.mobile-menu-list li a {
    display: block;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid var(--bg-canvas);
}

.mobile-menu-list li a:hover {
    background-color: var(--bg-canvas);
    color: var(--primary-dark);
}

.mobile-menu-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   8. COMPACT EDITORIAL HERO (NO GRADIENTS, CONTROLLED ACCENTS)
   ========================================================================== */
.hero-editorial {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 48px 0;
    min-height: 480px;
    display: flex;
    align-items: center;
}

.hero-editorial-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-accent-line {
    width: 40px;
    height: 3px;
    background-color: var(--brand-yellow);
    margin-bottom: 20px;
}

.hero-editorial h1 {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.hero-editorial p {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 28px;
}

.hero-showcase {
    position: relative;
    background-color: var(--bg-canvas);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 380px;
}

.hero-showcase-inner {
    text-align: center;
    width: 100%;
}

.hero-showcase img {
    max-height: 320px;
    max-width: 100%;
    object-fit: contain;
    margin: 0 auto;
}

.hero-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: var(--primary-dark);
    color: var(--brand-yellow);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: var(--radius-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   9. CATEGORIES GRID (RECTANGULAR, MINIMAL, PHOTOGRAPHY FOCUS)
   ========================================================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.section-title-group h2 {
    font-size: 26px;
    font-weight: 700;
    margin-top: 4px;
}

.category-flat-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.category-flat-card:hover {
    border-color: var(--primary-dark);
    box-shadow: var(--shadow-hover);
}

.category-img-box {
    background-color: var(--bg-canvas);
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.category-img-box img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.category-flat-card:hover .category-img-box img {
    transform: scale(1.03);
}

.category-meta-box {
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
}

.category-count {
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.category-arrow {
    color: var(--primary-dark);
    font-size: 16px;
    transition: transform 0.15s ease, color 0.15s ease;
}

.category-flat-card:hover .category-arrow {
    color: #997500;
    transform: translateX(4px);
}

/* ==========================================================================
   10. PRODUCT CARD SYSTEM (FLAT, CLEAN 1PX BORDER, RESTRAINED RADIUS)
   ========================================================================== */
.product-card-flat {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    height: 100%;
}

.product-card-flat:hover {
    border-color: var(--dark-gray);
    box-shadow: var(--shadow-hover);
}

.product-image-area {
    background-color: var(--bg-canvas);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.product-image-area img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.badge-stock {
    position: absolute;
    top: 10px;
    left: 10px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 6px;
    border-radius: var(--radius-xs);
    border: 1px solid transparent;
}

.stock-available {
    background-color: #ECFDF5;
    color: #047857;
    border-color: #A7F3D0;
}

.stock-limited {
    background-color: #FFFBEB;
    color: #B45309;
    border-color: #FDE68A;
}

.stock-out {
    background-color: #FEF2F2;
    color: #B91C1C;
    border-color: #FECACA;
}

.stock-contact, .stock-coming {
    background-color: #F3F4F6;
    color: #4B5563;
    border-color: #E5E7EB;
}

.product-info-area {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-brand {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.product-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--primary-dark);
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 40px;
}

.product-specs-summary {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    height: 34px;
    overflow: hidden;
    margin-bottom: 12px;
}

.product-price-enquiry {
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.product-price-enquiry i {
    color: #B89200;
    font-size: 13px;
}

.product-card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

/* ==========================================================================
   11. EDITORIAL PROMOTIONAL / VALUE BANNER
   ========================================================================== */
.brand-callout-banner {
    background-color: var(--primary-dark);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    margin: 48px 0;
}

.brand-callout-banner h3 {
    color: var(--white);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.brand-callout-banner p {
    color: #9CA3AF;
    font-size: 14px;
    max-width: 580px;
    margin: 0;
}

/* ==========================================================================
   12. WHY CHOOSE US (EDITORIAL SPLIT WITH THIN DIVIDERS)
   ========================================================================== */
.why-choose-editorial {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 48px;
    margin: 48px 0;
}

.why-choose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.why-choose-left h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.why-choose-left p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.why-choose-list {
    display: flex;
    flex-direction: column;
}

.why-choose-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.why-choose-item:first-child {
    padding-top: 0;
}

.why-choose-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.why-num {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: #997500;
    background-color: var(--brand-yellow-subtle);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.why-body h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.why-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==========================================================================
   13. HOW TO BUY (HORIZONTAL 4-STEP PROCESS)
   ========================================================================== */
.process-section {
    padding: 48px 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.process-step {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    position: relative;
}

.process-step-num {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.process-step-num::after {
    content: "";
    flex-grow: 1;
    height: 1px;
    background-color: var(--border-color);
}

.process-step h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.process-step p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.45;
}

/* ==========================================================================
   14. WHATSAPP CONVERSION CTA BANNER
   ========================================================================== */
.whatsapp-cta-section {
    background-color: var(--primary-dark);
    color: var(--white);
    border-radius: var(--radius-md);
    padding: 56px 40px;
    text-align: center;
    margin: 48px 0;
    border: 1px solid #262626;
}

.whatsapp-cta-content {
    max-width: 680px;
    margin: 0 auto;
}

.whatsapp-cta-section h2 {
    color: var(--white);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.whatsapp-cta-section p {
    color: #9CA3AF;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 28px;
}

/* ==========================================================================
   15. CATALOGUE & SEARCH LAYOUT
   ========================================================================== */
.page-title-banner {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 32px 0;
    margin-bottom: 32px;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.breadcrumbs a {
    color: var(--text-muted);
}

.breadcrumbs a:hover {
    color: var(--primary-dark);
}

.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    color: var(--border-color);
}

.breadcrumbs li:last-child {
    color: var(--primary-dark);
    font-weight: 600;
}

.catalogue-wrapper {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 32px;
    align-items: start;
}

.filter-sidebar {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    position: sticky;
    top: calc(var(--header-height) + 20px);
}

.filter-group {
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.filter-group:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.filter-heading {
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.filter-cat-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-cat-list li a {
    display: block;
    font-size: 13px;
    color: var(--charcoal);
    padding: 4px 6px;
    border-radius: var(--radius-xs);
}

.filter-cat-list li a:hover {
    background-color: var(--bg-canvas);
    color: var(--primary-dark);
}

.filter-cat-list li.active a {
    background-color: var(--brand-yellow-subtle);
    color: #997500;
    font-weight: 600;
}

.filter-select {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-canvas);
    color: var(--primary-dark);
    font-size: 13px;
    outline: none;
    cursor: pointer;
}

.filter-select:focus {
    border-color: var(--primary-dark);
    background-color: var(--white);
}

.catalogue-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.catalogue-count {
    font-size: 13px;
    color: var(--text-muted);
}

.catalogue-count span {
    font-weight: 600;
    color: var(--primary-dark);
}

.mobile-filter-trigger {
    display: none;
}

/* ==========================================================================
   16. PRODUCT DETAIL PAGE (MINIMAL, SPECIFICATIONS TABLE, GALLERY)
   ========================================================================== */
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-bottom: 64px;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.gallery-main-view {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    height: 440px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    position: relative;
}

.gallery-main-view img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.gallery-thumbnail-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.gallery-thumb-item {
    width: 72px;
    height: 72px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px;
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s;
}

.gallery-thumb-item img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.gallery-thumb-item.active,
.gallery-thumb-item:hover {
    border-color: var(--brand-yellow);
    border-width: 2px;
}

.product-detail-summary h1 {
    font-size: 32px;
    margin-bottom: 12px;
    line-height: 1.25;
}

.product-meta-row {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.product-meta-row strong {
    color: var(--primary-dark);
}

.product-short-description {
    font-size: 16px;
    color: var(--charcoal);
    line-height: 1.6;
    margin-bottom: 24px;
}

.product-enquiry-box {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 32px;
}

.product-enquiry-box .enquiry-label {
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.product-enquiry-box .enquiry-heading {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.product-enquiry-box .enquiry-note {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
}

.product-enquiry-actions {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 12px;
}

/* Technical Specifications Table */
.specs-table-wrapper {
    margin-top: 32px;
}

.specs-table-wrapper h3 {
    font-size: 18px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-color);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 12px 16px;
    font-size: 13px;
}

.specs-table td.spec-key {
    width: 35%;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    background-color: var(--bg-canvas);
    border-right: 1px solid var(--border-color);
}

.specs-table td.spec-val {
    color: var(--primary-dark);
    font-weight: 500;
}

/* Full Description Overview */
.overview-box {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    margin-top: 48px;
}

.overview-box h3 {
    font-size: 20px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.overview-content {
    line-height: 1.7;
    color: var(--charcoal);
}

/* Mobile Sticky WhatsApp Bar */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: 12px 20px;
    z-index: 990;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   17. FORMS & INPUT CONTROLS
   ========================================================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
select,
textarea {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border: 1px solid #D1D5DB;
    border-radius: var(--radius-sm);
    background-color: var(--white);
    color: var(--primary-dark);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s ease;
}

textarea {
    height: auto;
    padding: 12px 14px;
    resize: vertical;
}

.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 1px var(--primary-dark);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ==========================================================================
   18. SEARCH AUTOCOMPLETE DROPDOWN
   ========================================================================== */
.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    z-index: 1050;
    box-shadow: var(--shadow-hover);
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--bg-canvas);
    cursor: pointer;
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background-color: var(--bg-canvas);
}

.suggestion-thumb {
    width: 36px;
    height: 36px;
    object-fit: contain;
    background-color: var(--bg-canvas);
    border-radius: var(--radius-xs);
    padding: 2px;
}

.suggestion-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
}

.suggestion-cat {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ==========================================================================
   19. EMPTY STATES & TOAST NOTIFICATIONS
   ========================================================================== */
.empty-state {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 48px 24px;
    text-align: center;
    max-width: 480px;
    margin: 32px auto;
}

.empty-state-icon {
    font-size: 36px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 13px;
    color: var(--text-muted);
}

.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-dark);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-hover);
    font-size: 14px;
    color: var(--primary-dark);
    min-width: 280px;
}

.toast-success { border-left-color: #10B981; }
.toast-error { border-left-color: #EF4444; }
.toast-info { border-left-color: #3B82F6; }

/* Floating WhatsApp (Desktop) */
.whatsapp-floating-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background-color: var(--whatsapp-green);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 980;
    transition: background-color 0.15s, transform 0.15s;
}

.whatsapp-floating-btn:hover {
    background-color: var(--whatsapp-green-hover);
    color: var(--white);
    transform: translateY(-2px);
}

/* ==========================================================================
   20. FOOTER (DARK #111111, FLAT, REFINED EDITORIAL HIERARCHY)
   ========================================================================== */
footer {
    background-color: var(--primary-dark);
    color: #9CA3AF;
    padding: 64px 0 32px 0;
    border-top: 1px solid #262626;
    margin-top: 64px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 13px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col h4::after {
    content: "";
    width: 16px;
    height: 2px;
    background-color: var(--brand-yellow);
}

.footer-col p {
    color: #9CA3AF;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    color: #9CA3AF;
    font-size: 13px;
}

.footer-col ul li a:hover {
    color: var(--brand-yellow);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 13px;
}

.footer-contact-item i {
    color: var(--brand-yellow);
    margin-top: 3px;
    font-size: 13px;
}

.footer-socials {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.footer-socials a {
    width: 32px;
    height: 32px;
    background-color: #222222;
    color: #CCCCCC;
    border: 1px solid #333333;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.footer-socials a:hover {
    background-color: var(--brand-yellow);
    color: var(--primary-dark);
    border-color: var(--brand-yellow);
}

.footer-bottom {
    border-top: 1px solid #222222;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #6B7280;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom-links {
    display: flex;
    gap: 16px;
}

.footer-bottom-links a {
    color: #6B7280;
}

.footer-bottom-links a:hover {
    color: #D1D5DB;
}

/* ==========================================================================
   21. RESPONSIVENESS (320PX, 480PX, 768PX, 992PX, 1200PX+)
   ========================================================================== */
@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .hero-editorial-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-showcase { min-height: 280px; }
}

@media (max-width: 900px) {
    .nav-links, .header-search { display: none; }
    .hamburger-btn { display: inline-flex; }
    .catalogue-wrapper { grid-template-columns: 1fr; }
    .filter-sidebar {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        z-index: 1200;
        overflow-y: auto;
        border-radius: 0;
    }
    .filter-sidebar.open { display: block; }
    .mobile-filter-trigger {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: var(--primary-dark);
        color: var(--white);
        height: 38px;
        padding: 0 14px;
        font-size: 13px;
        border-radius: var(--radius-sm);
        cursor: pointer;
        margin-bottom: 16px;
    }
    .product-detail-layout { grid-template-columns: 1fr; gap: 32px; }
    .why-choose-grid { grid-template-columns: 1fr; gap: 32px; }
    .brand-callout-banner { flex-direction: column; text-align: center; }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-info-right { display: none; }
    .grid-cols-4, .grid-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-2 { grid-template-columns: 1fr; }
    .hero-editorial h1 { font-size: 32px; }
    .mobile-sticky-bar { display: block; }
    .whatsapp-floating-btn { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .product-enquiry-actions { grid-template-columns: 1fr; }
    .product-card-actions { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .grid-cols-4, .grid-cols-3 { grid-template-columns: 1fr; }
    .hero-editorial { padding: 32px 0; }
    .hero-editorial h1 { font-size: 28px; }
    .process-grid { grid-template-columns: 1fr; }
    .brand-callout-banner { padding: 24px; }
    .why-choose-editorial { padding: 24px; }
}

/* ==========================================================================
   18. BRAND EMBLEM CARD WATERMARK GRAPHIC
   ========================================================================== */
.bg-watermark {
    position: relative;
    overflow: hidden;
}

.bg-watermark::after {
    content: '';
    position: absolute;
    right: -20px;
    bottom: -20px;
    width: 140px;
    height: 140px;
    background-image: url('../img/brand-mark.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.05;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 1;
}

.bg-watermark:hover::after {
    opacity: 0.12;
    transform: scale(1.08) rotate(3deg);
}

.bg-watermark-dark {
    position: relative;
    overflow: hidden;
}

.bg-watermark-dark::after {
    content: '';
    position: absolute;
    right: -24px;
    bottom: -24px;
    width: 170px;
    height: 170px;
    background-image: url('../img/brand-mark.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.08;
    filter: brightness(1.2);
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 1;
}

.bg-watermark-dark:hover::after {
    opacity: 0.16;
    transform: scale(1.08) rotate(3deg);
}