/* ==========================================
   JAD AL RIYADH TRADING CO. - DESIGN SYSTEM
   ========================================== */

:root {
    /* Color Palette */
    --color-charcoal: #121212;
    --color-slate: #1F2937;
    --color-dark-gray: #374151;
    --color-light-gray: #F3F4F6;
    --color-white: #FFFFFF;
    
    /* Accents & Highlights */
    --color-crimson: #E53935;
    --color-crimson-hover: #C62828;
    --color-crimson-glow: rgba(229, 57, 53, 0.15);
    --color-border: #E5E7EB;
    
    /* Typography */
    --font-headings: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Typography Sizes */
    --text-main: #1F2937;
    --text-muted: #6B7280;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 15px rgba(229, 57, 53, 0.3);
}

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

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

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

/* Utility Containers */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

ul {
    list-style: none;
}

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

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    color: var(--color-slate);
    line-height: 1.25;
}

.text-accent { color: var(--color-crimson); }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--color-light-gray); }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.w-full { width: 100%; }
.font-large { font-size: 2rem; }
.bg-light { background-color: var(--color-light-gray); }
.bg-slate { background-color: var(--color-slate); color: var(--color-white); }
.align-left { margin-left: 0 !important; }

/* Sections */
.section {
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 4rem;
}

.section-subtitle {
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-crimson);
    display: block;
    margin-bottom: 0.5rem;
}

.section-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 1rem auto 0;
}

.accent-line {
    width: 60px;
    height: 4px;
    background-color: var(--color-crimson);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1.1rem 2.5rem;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--color-crimson-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

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

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

.btn-outline-light {
    background-color: transparent;
    border-color: var(--color-light-gray);
    color: var(--color-white);
}

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

.btn-brand-grovjoint {
    background-color: var(--color-slate);
    color: var(--color-white);
}

.btn-brand-grovjoint:hover {
    background-color: var(--color-charcoal);
    box-shadow: 0 0 10px rgba(31, 41, 55, 0.4);
}

.btn-brand-gsi {
    background-color: var(--color-crimson);
    color: var(--color-white);
}

.btn-brand-gsi:hover {
    background-color: var(--color-crimson-hover);
}

/* Info Bar */
.top-bar {
    background-color: var(--color-charcoal);
    color: #9CA3AF;
    font-size: 0.8rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

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

.top-info {
    display: flex;
    gap: 2rem;
}

.top-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-certifications {
    display: flex;
    gap: 1.5rem;
}

.cert-badge {
    color: var(--color-white);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.cert-badge i {
    color: var(--color-crimson);
}

/* Navigation Header */
.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
}

/* Logo Design */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-headings);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 1.5px;
    color: var(--color-slate);
    line-height: 1;
}

.brand-subtitle {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.2rem;
}

.est-tag {
    background-color: var(--color-crimson);
    color: var(--color-white);
    padding: 1px 4px;
    border-radius: 2px;
    font-size: 0.6rem;
}

/* Menu items */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-slate);
    padding: 0.5rem 0.25rem;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-crimson);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-crimson);
}

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

.nav-link.active {
    color: var(--color-crimson);
}

.btn-nav-rfq {
    color: var(--color-crimson);
    font-weight: 700;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.rfq-basket-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: var(--color-slate);
    color: var(--color-white);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: var(--font-headings);
    font-weight: 600;
    border: 1px solid transparent;
}

.rfq-basket-btn:hover {
    background-color: var(--color-charcoal);
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.basket-badge {
    background-color: var(--color-crimson);
    color: var(--color-white);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid var(--color-slate);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-slate);
    cursor: pointer;
}

/* ==========================================
   PAGES SYSTEM (SPA TRANSITIONS)
   ========================================== */
.app-page {
    display: none;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

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

/* Hero Section */
.hero-section {
    background-size: cover;
    background-position: center;
    min-height: 550px;
    display: flex;
    align-items: center;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

/* Set local fallback styling if assets don't load immediately */
#hero-banner-bg {
    background-color: var(--color-charcoal);
}

.hero-content-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-left {
    z-index: 10;
}

.badge-accent {
    background-color: var(--color-crimson);
    color: var(--color-white);
    padding: 0.35rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-left h1 {
    font-size: 3rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    line-height: 1.15;
}

.hero-lead {
    color: #D1D5DB;
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 650px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-highlights {
    display: flex;
    gap: 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #E5E7EB;
    font-size: 0.85rem;
}

.highlight-item i {
    color: var(--color-crimson);
    font-size: 1.25rem;
}

/* Stats section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.stat-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--color-slate);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-top-color: var(--color-crimson);
}

.stat-number {
    font-family: var(--font-headings);
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-crimson);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-weight: 700;
    color: var(--color-slate);
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.stat-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Brand Split section */
.brands-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.brand-card {
    background-color: var(--color-white);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(229, 57, 53, 0.2);
}

.brand-image-wrapper {
    position: relative;
    height: 250px;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 1.5rem;
}

.brand-image-wrapper img {
    max-height: 100%;
    object-fit: contain;
    transition: var(--transition-smooth);
}

.brand-card:hover .brand-image-wrapper img {
    transform: scale(1.05);
}

.brand-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--color-slate);
    color: var(--color-white);
    padding: 0.35rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 2px;
}

.brand-card:nth-child(2) .brand-tag {
    background-color: var(--color-crimson);
}

.brand-info {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.brand-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.brand-intro {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.brand-features {
    margin-bottom: 2rem;
}

.brand-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.brand-features li i {
    color: var(--color-crimson);
    margin-top: 0.25rem;
}

.brand-action {
    margin-top: auto;
}

.brand-action .btn {
    width: 100%;
}

/* Application Tabs */
.app-tabs-container {
    background-color: var(--color-white);
    border-radius: 4px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.app-tab-navigation {
    display: flex;
    background-color: var(--color-slate);
    border-bottom: 4px solid var(--color-charcoal);
}

.app-tab-btn {
    flex: 1;
    padding: 1.5rem;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 1.1rem;
    color: #9CA3AF;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.app-tab-btn:hover {
    color: var(--color-white);
    background-color: rgba(255,255,255,0.02);
}

.app-tab-btn.active {
    color: var(--color-white);
    background-color: var(--color-charcoal);
    box-shadow: inset 0 -4px 0 var(--color-crimson);
}

.app-tab-content {
    display: none;
    padding: 3rem;
}

.app-tab-content.active {
    display: block;
    animation: fadeInTab 0.4s ease;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.app-showcase-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.app-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
}

.app-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.app-details-list li {
    margin-bottom: 0.85rem;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.app-details-list li::before {
    content: '\f0da';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--color-crimson);
}

.spec-banner {
    margin-top: 2rem;
    background-color: var(--color-light-gray);
    border-left: 4px solid var(--color-crimson);
    padding: 1rem 1.5rem;
    border-radius: 0 4px 4px 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-slate);
}

/* Diagram Mockup inside Tab */
.diagram-mockup {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem;
    border-radius: 4px;
    background-color: var(--color-charcoal);
}

.diagram-node {
    background-color: var(--color-slate);
    border: 1px solid rgba(255,255,255,0.1);
    color: #D1D5DB;
    padding: 0.85rem 1.5rem;
    border-radius: 4px;
    width: 80%;
    text-align: center;
    font-family: var(--font-headings);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.diagram-node.active {
    background-color: var(--color-charcoal);
    border: 2px solid var(--color-crimson);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.diagram-connector {
    color: var(--color-crimson);
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

/* Call to action strip */
.section-cta-banner {
    background-size: cover;
    background-position: center;
    position: relative;
    padding: 6rem 0;
}

.section-cta-banner h2 {
    color: var(--color-white);
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-cta-banner p {
    color: #D1D5DB;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* ==========================================
   PRODUCTS PAGE CATALOG SYSTEM
   ========================================== */
.page-title-banner {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 4rem 0;
    border-bottom: 4px solid var(--color-crimson);
}

.banner-subtitle {
    color: var(--color-crimson);
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.page-title-banner h1 {
    color: var(--color-white);
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.page-title-banner p {
    color: #9CA3AF;
    font-size: 1rem;
    max-width: 600px;
}

.catalog-layout-wrapper {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2.5rem;
    margin-top: 3.5rem;
    margin-bottom: 5rem;
}

/* Catalog Filter Panel */
.catalog-filters {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.filter-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    margin-bottom: 2rem;
}

.filter-group:last-of-type {
    margin-bottom: 1.5rem;
}

.filter-group label {
    display: block;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-slate);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.filter-group h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
    border-bottom: 2px solid var(--color-light-gray);
    padding-bottom: 0.35rem;
}

.filter-group input[type="text"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-smooth);
}

.filter-group input[type="text"]:focus {
    border-color: var(--color-crimson);
    box-shadow: 0 0 0 3px var(--color-crimson-glow);
}

/* Custom Checkbox Containers (Radio style here) */
.checkbox-container {
    display: block;
    position: relative;
    padding-left: 28px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    user-select: none;
    color: var(--color-dark-gray);
    font-weight: 500;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    top: 3px;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #E5E7EB;
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #D1D5DB;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-crimson);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.filter-ad-card {
    background-color: var(--color-slate);
    color: var(--color-white);
    padding: 2rem;
    border-radius: 4px;
    text-align: center;
    border-top: 4px solid var(--color-crimson);
}

.filter-ad-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.filter-ad-card h4 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.filter-ad-card p {
    font-size: 0.8rem;
    color: #9CA3AF;
    margin-bottom: 1.5rem;
}

.filter-ad-card .btn {
    width: 100%;
}

/* Catalog Summary & Content */
.catalog-content {
    display: flex;
    flex-direction: column;
}

.catalog-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-light-gray);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    margin-bottom: 2rem;
    border: 1px solid var(--color-border);
}

.results-count {
    font-weight: 600;
    color: var(--color-slate);
    font-size: 0.9rem;
}

.sort-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.sort-wrapper select {
    padding: 0.4rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    outline: none;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
}

/* Products Cards Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.product-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.product-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(229, 57, 53, 0.25);
}

.product-img-box {
    background-color: var(--color-light-gray);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 1.5rem;
}

.product-img-box img {
    max-height: 100%;
    object-fit: contain;
}

.product-brand-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-slate);
    color: var(--color-white);
    padding: 0.25rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 2px;
}

.product-brand-badge.gsi {
    background-color: var(--color-crimson);
}

.product-details {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-name-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.product-name-row h3 {
    font-size: 1.15rem;
}

.app-suitability-indicator {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
    background-color: #FEF2F2;
    color: var(--color-crimson);
    border: 1px solid #FEE2E2;
}

.app-suitability-indicator.hvac {
    background-color: #EFF6FF;
    color: #2563EB;
    border-color: #DBEAFE;
}

.product-details p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    min-height: 40px;
}

.spec-sheet-list {
    background-color: var(--color-light-gray);
    padding: 0.85rem 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.spec-sheet-list li {
    font-size: 0.78rem;
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.4rem;
    border-bottom: 1px dashed var(--color-border);
    padding-bottom: 0.2rem;
}

.spec-sheet-list li:last-child {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.spec-sheet-list strong {
    color: var(--color-slate);
}

.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: auto;
}

.product-actions .btn {
    padding: 0.6rem 0.5rem;
    font-size: 0.8rem;
}

/* ==========================================
   ABOUT US PAGE STYLINGS
   ========================================== */
.legacy-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.legacy-text h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.legacy-text p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
}

.about-stat-item {
    display: flex;
    flex-direction: column;
}

.about-stat-num {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-crimson);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.about-stat-lbl {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-slate);
    text-transform: uppercase;
}

.legacy-visual {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background-color: var(--color-slate);
}

.supply-map-img {
    width: 100%;
    opacity: 0.9;
    transition: var(--transition-smooth);
}

.legacy-visual:hover .supply-map-img {
    transform: scale(1.02);
}

.map-overlay-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-headings);
    font-size: 0.85rem;
    font-weight: 600;
    border-left: 4px solid var(--color-crimson);
    box-shadow: var(--shadow-lg);
}

/* Values section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.value-card {
    background-color: var(--color-white);
    padding: 3rem 2rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    text-align: center;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(229, 57, 53, 0.2);
}

.value-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: #FEF2F2;
    color: var(--color-crimson);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition-smooth);
}

.value-card:hover .value-icon {
    background-color: var(--color-crimson);
    color: var(--color-white);
    box-shadow: 0 4px 10px rgba(229,57,53,0.3);
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* ==========================================
   RFQ & CONTACT PAGES SYSTEM
   ========================================== */
.rfq-layout-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    margin-top: 3.5rem;
    margin-bottom: 5rem;
    align-items: start;
}

.rfq-manager-card,
.rfq-form-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.rfq-manager-card h3,
.rfq-form-card h3 {
    font-size: 1.35rem;
    border-bottom: 2px solid var(--color-light-gray);
    padding-bottom: 0.85rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Basket Items Layout */
.rfq-basket-list {
    min-height: 250px;
    max-height: 480px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    padding-right: 0.5rem;
}

.empty-basket-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 230px;
    text-align: center;
    color: var(--text-muted);
}

.empty-basket-message i {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.empty-basket-message a {
    color: var(--color-crimson);
    font-weight: 600;
}

.empty-basket-message a:hover {
    text-decoration: underline;
}

.basket-item {
    display: grid;
    grid-template-columns: 80px 1fr 100px 30px;
    gap: 1.25rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.basket-item:last-of-type {
    border-bottom: none;
}

.basket-img-box {
    width: 80px;
    height: 80px;
    background-color: var(--color-light-gray);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
}

.basket-img-box img {
    max-height: 100%;
    object-fit: contain;
}

.basket-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.basket-info p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.qty-control {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    width: 90px;
}

.qty-btn {
    width: 28px;
    height: 28px;
    background-color: var(--color-light-gray);
    border: none;
    cursor: pointer;
    font-weight: 700;
    color: var(--color-slate);
    transition: var(--transition-smooth);
}

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

.qty-input {
    width: 34px;
    height: 28px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    outline: none;
}

.remove-basket-item-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition-smooth);
    text-align: right;
}

.remove-basket-item-btn:hover {
    color: var(--color-crimson);
}

.basket-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 2px solid var(--color-light-gray);
    padding-top: 1.5rem;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 1rem;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-slate);
    margin-bottom: 0.5rem;
}

.required {
    color: var(--color-crimson);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    background-color: var(--color-white);
    transition: var(--transition-smooth);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-crimson);
    box-shadow: 0 0 0 3px var(--color-crimson-glow);
}

/* BOQ Upload simulator */
.boq-upload-area {
    border: 2px dashed var(--color-border);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    background-color: var(--color-light-gray);
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}

.boq-upload-area:hover,
.boq-upload-area.dragover {
    border-color: var(--color-crimson);
    background-color: #FFF5F5;
}

.boq-upload-area i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    display: block;
}

.boq-upload-area p {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-slate);
    margin-bottom: 0.25rem;
}

.hidden-input {
    display: none;
}

.uploaded-file-indicator {
    margin-top: 1rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-slate);
}

.uploaded-file-indicator i {
    color: #10B981;
    font-size: 1.1rem;
    margin-bottom: 0;
    display: inline;
}

.remove-file-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    margin-left: 0.5rem;
    transition: var(--transition-smooth);
}

.remove-file-btn:hover {
    color: var(--color-crimson);
}

.rfq-checkbox-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 2rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.rfq-checkbox-disclaimer input[type="checkbox"] {
    margin-top: 0.2rem;
    cursor: pointer;
}

.rfq-submit-btn {
    font-size: 1rem;
}

/* Contact Info Details */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
}

.contact-info-card {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.contact-info-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.contact-list {
    margin-top: 2.5rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.contact-list li:last-child {
    margin-bottom: 0;
}

.contact-list li i {
    font-size: 1.25rem;
    color: var(--color-crimson);
    margin-top: 0.25rem;
}

/* Map Mockup container */
.contact-map-card {
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-md);
    min-height: 350px;
}

.map-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-slate);
    background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 0);
    background-size: 24px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.map-pin {
    font-size: 3rem;
    color: var(--color-crimson);
    animation: bounce 2s infinite;
    margin-bottom: 1.25rem;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.map-inner h4 {
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.map-coordinates {
    font-family: monospace;
    color: var(--color-crimson);
    display: block;
    margin: 0.5rem 0 2rem;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
}

/* ==========================================
   MODALS & OVERLAYS SYSTEM
   ========================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-backdrop.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--color-white);
    padding: 3.5rem 2.5rem;
    border-radius: 4px;
    width: 100%;
    max-width: 550px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-backdrop.active .modal-content {
    transform: scale(1);
}

.success-icon-wrapper {
    width: 80px;
    height: 80px;
    background-color: #ECFDF5;
    color: #10B981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

.modal-content h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.modal-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

/* Receipt breakdown in success modal */
.receipt-box {
    background-color: var(--color-light-gray);
    padding: 1.5rem;
    border-radius: 4px;
    text-align: left;
    margin-bottom: 2rem;
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
}

.receipt-box h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.35rem;
    color: var(--color-slate);
}

.receipt-item-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.25rem;
}

.btn-close-modal {
    width: 100%;
}

/* Submittal modal specifics */
.submittal-content {
    max-width: 750px;
    text-align: left;
    padding: 3rem;
}

.btn-close-submittal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-close-submittal:hover {
    color: var(--color-crimson);
}

.submittal-header {
    border-bottom: 2px solid var(--color-light-gray);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.submittal-brand {
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-crimson);
    letter-spacing: 1px;
}

.submittal-header h3 {
    font-size: 1.85rem;
    margin-top: 0.25rem;
}

.submittal-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    background-color: var(--color-light-gray);
    padding: 1.5rem;
    border-radius: 4px;
    margin-bottom: 2rem;
    border: 1px solid var(--color-border);
}

.sub-spec {
    font-size: 0.85rem;
}

.submittal-content h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.size-table-container {
    max-height: 250px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-bottom: 2rem;
}

.size-matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    text-align: left;
}

.size-matrix-table th {
    background-color: var(--color-slate);
    color: var(--color-white);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    font-family: var(--font-headings);
    font-weight: 600;
}

.size-matrix-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-dark-gray);
}

.size-matrix-table tr:hover td {
    background-color: var(--color-light-gray);
}

.submittal-footer {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

.submittal-footer .btn {
    flex: 1;
}

/* ==========================================
   FOOTERS & CREDITS SYSTEM
   ========================================== */
.site-footer {
    background-color: var(--color-charcoal);
    color: #9CA3AF;
    border-top: 4px solid var(--color-crimson);
    padding-top: 5rem;
}

.footer-content-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 3.5rem;
    margin-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.footer-logo svg polygon {
    stroke: var(--color-crimson);
}

.footer-logo span {
    color: var(--color-white);
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.footer-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.06);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.footer-socials a:hover {
    background-color: var(--color-crimson);
    color: var(--color-white);
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.footer-col-links h4,
.footer-col-products h4,
.footer-col-certifications h4 {
    color: var(--color-white);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col-links ul li,
.footer-col-products ul li {
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.footer-col-links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-col-certifications p {
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.cert-logos {
    display: flex;
    gap: 0.75rem;
}

.cert-box {
    background-color: rgba(255,255,255,0.06);
    color: var(--color-white);
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.4rem 0.85rem;
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.1);
}

/* Bottom Bar */
.footer-bottom {
    background-color: #0A0A0A;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.75rem;
}

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

.footer-seo-links {
    text-align: right;
    max-width: 60%;
}

.tag-inline {
    color: #4B5563;
    transition: var(--transition-smooth);
}

.tag-inline:hover {
    color: var(--color-white);
}

/* ==========================================
   RESPONSIVE LAYOUT BREAKPOINTS
   ========================================== */
@media (max-width: 1024px) {
    .hero-content-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-highlights {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .brands-split {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .app-showcase-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .app-illustration {
        order: -1;
    }
    
    .catalog-layout-wrapper {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .legacy-wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .legacy-visual {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .rfq-layout-wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .top-info {
        display: none; /* Hide contacts on mobile top bar to save space */
    }
    
    .top-bar-content {
        justify-content: center;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        border-bottom: 2px solid var(--color-crimson);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 1rem 0;
    }
    
    .nav-link::after {
        display: none; /* Disable underline hover on mobile menu */
    }
    
    .nav-link.active {
        background-color: var(--color-light-gray);
        border-left: 4px solid var(--color-crimson);
    }
    
    .btn-nav-rfq {
        border-top: 1px solid var(--color-border);
    }
    
    .header-actions {
        gap: 0.75rem;
    }
    
    .rfq-basket-btn .basket-text {
        display: none; /* Save space on mobile, show icon and badge only */
    }
    
    .hero-left h1 {
        font-size: 2.25rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .footer-content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom-flex {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .footer-seo-links {
        text-align: center;
        max-width: 100%;
    }
}