/* ==========================================================================
   NARYAM BUILDING INDUSTRY & TRADE CO. LTD.
   Architectural Precision Design System - Modern Minimalist & Mobile-Refined
   ========================================================================== */

:root {
    --color-primary: #b32d2e;
    --color-primary-dark: #871f22;
    --color-primary-light: #d3383a;
    --color-primary-subtle: rgba(179, 45, 46, 0.08);

    --color-dark: #11141a;
    --color-dark-alt: #1a1e26;
    --color-dark-surface: #222834;

    --color-text-main: #111827;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;
    --color-text-white: #ffffff;

    --color-bg-light: #f8f9fa;
    --color-bg-white: #ffffff;
    --color-bg-card: #ffffff;
    --color-bg-subtle: #f1f5f9;

    --color-border: #e2e8f0;
    --color-border-dark: #2d3748;
    --color-border-focus: #b32d2e;

    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    --radius-sharp: 0px;
    --radius-subtle: 2px;
    --radius-sm: 4px;

    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lift: 0 12px 24px -4px rgba(0, 0, 0, 0.12);

    --container-max: 1280px;
    --header-height: 80px;
    --topbar-height: 40px;
    --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    max-width: 100%;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
}

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: var(--color-bg-white);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
    position: relative;
}

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

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

ul, ol {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================
   Typography & Badges
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.15rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.15rem; }

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-tag::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 2px;
    background-color: var(--color-primary);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    max-width: 680px;
    line-height: 1.65;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--radius-sharp);
    transition: var(--transition-smooth);
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
}

.btn-sharp {
    border-radius: var(--radius-sharp);
}

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

.btn-crimson:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(179, 45, 46, 0.35);
}

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

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

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

.btn-dark:hover {
    background-color: var(--color-dark-surface);
    border-color: var(--color-dark-surface);
    transform: translateY(-2px);
}

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

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

.btn-outline-white {
    background-color: transparent;
    color: var(--color-text-white);
    border-color: rgba(255, 255, 255, 0.35);
}

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

.btn-sm {
    padding: 8px 14px;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 0.9375rem;
}

.w-100 { width: 100%; }

/* ==========================================================================
   Header & Top Bar
   ========================================================================== */
.top-bar {
    background-color: var(--color-dark);
    color: var(--color-text-light);
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: var(--topbar-height);
    display: flex;
    align-items: center;
}

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

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.top-item, .top-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text-light);
    font-size: 0.8125rem;
}

.top-link:hover {
    color: var(--color-text-white);
}

.badge-export-dot {
    width: 6px;
    height: 6px;
    background-color: #22c55e;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #22c55e;
}

.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

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

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.brand-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.desktop-nav .nav-list {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-main);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    cursor: pointer;
    padding: 9px;
}

.mobile-toggle .bar {
    height: 2px;
    width: 100%;
    background-color: var(--color-text-main);
    transition: var(--transition-smooth);
}

/* Mobile Backdrop & Drawer */
.mobile-menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 20, 26, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(340px, 85vw);
    height: 100vh;
    background-color: var(--color-dark);
    color: var(--color-text-white);
    z-index: 2000;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu-inner {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

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

.logo-img-mobile {
    height: 38px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

.mobile-close {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--color-border-dark);
    color: var(--color-text-white);
    width: 38px;
    height: 38px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav-link {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #e2e8f0;
    display: block;
    padding: 12px 14px;
    border-left: 2px solid transparent;
    background: rgba(255, 255, 255, 0.02);
}

.mobile-nav-link.active, .mobile-nav-link:hover {
    color: var(--color-text-white);
    background: rgba(179, 45, 46, 0.15);
    border-left-color: var(--color-primary);
}

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

.mobile-contact-info {
    margin-top: 16px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.mobile-contact-info a {
    color: #cbd5e1;
    display: block;
    margin-top: 4px;
}

/* ==========================================================================
   Page Hero & Header Banner
   ========================================================================== */
.page-hero {
    background-color: var(--color-dark);
    color: var(--color-text-white);
    padding: 56px 0;
    position: relative;
    border-bottom: 1px solid var(--color-border-dark);
}

.page-hero-inner {
    position: relative;
    z-index: 2;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: 14px;
}

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

.breadcrumbs-sep {
    color: #475569;
}

.page-hero-title {
    color: var(--color-text-white);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.page-hero-desc {
    color: var(--color-text-light);
    font-size: 1.0625rem;
    max-width: 720px;
    line-height: 1.6;
}

/* ==========================================================================
   Sections & Layout
   ========================================================================== */
.section {
    padding: 72px 0;
    position: relative;
}

.section-bg-light {
    background-color: var(--color-bg-light);
}

.section-bg-dark {
    background-color: var(--color-dark);
    color: var(--color-text-white);
}

.section-bg-dark h2, .section-bg-dark h3 {
    color: var(--color-text-white);
}

.section-bg-dark .section-subtitle {
    color: var(--color-text-light);
}

.section-header {
    margin-bottom: 48px;
}

/* ==========================================================================
   Key Highlights / Metric Counter Strip
   ========================================================================== */
.metric-strip {
    background-color: var(--color-dark-alt);
    border-top: 1px solid var(--color-border-dark);
    border-bottom: 1px solid var(--color-border-dark);
    padding: 36px 0;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.metric-card {
    padding: 10px 16px;
    border-left: 2px solid var(--color-primary);
}

.metric-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-white);
    line-height: 1.1;
    margin-bottom: 4px;
}

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-light);
}

/* ==========================================================================
   Categories Grid
   ========================================================================== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.category-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    position: relative;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition-smooth);
}

.category-card:hover {
    border-color: #cbd5e1;
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.category-card:hover::before {
    width: 100%;
}

.category-icon-box {
    width: 44px;
    height: 44px;
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.category-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.category-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.category-link {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.category-link:hover {
    color: var(--color-primary-dark);
    gap: 10px;
}

/* ==========================================================================
   Product Cards & Grid (No Prices)
   ========================================================================== */
.product-filter-bar {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 769px) {
    .product-filter-bar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.filter-btn {
    padding: 8px 16px;
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text-main);
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--color-dark);
    color: var(--color-text-white);
    border-color: var(--color-dark);
}

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

.search-input {
    width: 100%;
    padding: 9px 14px 9px 36px;
    border: 1px solid var(--color-border);
    font-size: 0.875rem;
    background-color: var(--color-bg-white);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.product-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    position: relative;
}

.product-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lift);
}

.product-img-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: #f1f5f9;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-img {
    transform: scale(1.04);
}

.product-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--color-dark);
    color: var(--color-text-white);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-category-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.product-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.35;
}

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

.product-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.55;
    margin-bottom: 16px;
    flex-grow: 1;
}

.product-specs-preview {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 10px 12px;
    margin-bottom: 16px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.spec-preview-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.spec-preview-row:last-child {
    margin-bottom: 0;
}

.spec-preview-label {
    color: var(--color-text-muted);
}

.spec-preview-val {
    font-weight: 700;
    color: var(--color-text-main);
    text-align: right;
}

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

/* ==========================================================================
   Product Detail Page
   ========================================================================== */
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.product-gallery-main {
    border: 1px solid var(--color-border);
    background-color: #f8fafc;
    overflow: hidden;
}

.product-detail-hero-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.product-info-panel {
    display: flex;
    flex-direction: column;
}

.product-detail-badge {
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.product-detail-title {
    font-size: 2.15rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.product-detail-desc {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.standards-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
}

.badge-standard {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 5px 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.detail-actions-row {
    display: flex;
    gap: 12px;
    margin-top: auto;
    flex-wrap: wrap;
}

.specs-table-box {
    border: 1px solid var(--color-border);
    margin-bottom: 48px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.specs-table-title {
    background-color: var(--color-dark);
    color: var(--color-text-white);
    padding: 14px 20px;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 320px;
}

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

.specs-table tr:nth-child(even) {
    background-color: var(--color-bg-light);
}

.specs-table th {
    width: 35%;
    padding: 14px 20px;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.specs-table td {
    padding: 14px 20px;
    font-weight: 700;
    color: var(--color-text-main);
    font-size: 0.875rem;
    font-family: var(--font-mono);
}

/* Feature Checkmarks List */
.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 48px;
}

.feature-check-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 14px;
}

.feature-check-icon {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-check-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-main);
}

/* ==========================================================================
   About & Corporate Page
   ========================================================================== */
.about-split {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-img-box {
    position: relative;
    border: 1px solid var(--color-border);
}

.about-img-main {
    width: 100%;
    display: block;
}

.about-floating-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--color-primary);
    color: var(--color-text-white);
    padding: 20px 28px;
    border: 2px solid var(--color-bg-white);
}

.about-floating-num {
    font-family: var(--font-mono);
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1;
}

.about-floating-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    opacity: 0.9;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.pillar-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: 28px 22px;
}

.pillar-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.pillar-card p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Export & Logistics Page
   ========================================================================== */
.logistics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.logistics-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: 28px 22px;
}

.logistics-num {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.incoterms-table-box {
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-white);
    padding: 28px 22px;
}

.split-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}

.incoterms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    font-family: var(--font-mono);
}

.credentials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

@media (max-width: 992px) {
    .incoterms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .split-2col {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .credentials-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

@media (max-width: 480px) {
    .incoterms-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Contact Page & Form
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
}

.contact-info-panel {
    background-color: var(--color-dark);
    color: var(--color-text-white);
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
}

.contact-info-panel h3 {
    color: var(--color-text-white);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.contact-card-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-card-entry {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.contact-card-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-card-detail strong {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    margin-bottom: 4px;
}

.contact-card-detail span, .contact-card-detail a {
    font-size: 0.9375rem;
    color: #e2e8f0;
    word-break: break-word;
    line-height: 1.5;
}

.contact-form-box {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    padding: 36px 28px;
}

.map-container {
    border: 1px solid var(--color-border);
    overflow: hidden;
    height: 380px;
    width: 100%;
    position: relative;
    background-color: #e2e8f0;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.form-group {
    margin-bottom: 18px;
}

.form-row {
    display: grid;
    gap: 16px;
}

.form-row-2 {
    grid-template-columns: 1fr 1fr;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-main);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px; /* 16px prevents iOS Safari automatic zoom */
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-light);
    color: var(--color-text-main);
    border-radius: var(--radius-sharp);
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    background-color: var(--color-bg-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(179, 45, 46, 0.12);
}

.form-select {
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
}

.form-alert {
    padding: 12px 16px;
    font-size: 0.875rem;
    margin-bottom: 18px;
    border-left: 3px solid;
}

.form-alert.success {
    background-color: #ecfdf5;
    color: #065f46;
    border-color: #10b981;
}

.form-alert.error {
    background-color: #fef2f2;
    color: #991b1b;
    border-color: #ef4444;
}

/* ==========================================================================
   RFQ Modal Styles
   ========================================================================== */
.rfq-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 20, 26, 0.85);
    backdrop-filter: blur(6px);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    overflow-y: auto;
}

.rfq-modal-backdrop.open {
    display: flex;
}

.rfq-modal-container {
    width: 100%;
    max-width: 740px;
    max-height: 92vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.rfq-modal-dialog {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-dark-surface);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.rfq-modal-header {
    background-color: var(--color-dark);
    color: var(--color-text-white);
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--color-primary);
}

.rfq-pretitle {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-primary-light);
    margin-bottom: 2px;
}

.rfq-title {
    color: var(--color-text-white);
    font-size: 1.2rem;
    font-weight: 700;
}

.rfq-modal-close {
    background: transparent;
    border: none;
    color: var(--color-text-light);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
}

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

.rfq-modal-body {
    padding: 24px;
}

.rfq-intro {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--color-border);
}

.rfq-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

.rfq-security-note {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    max-width: 360px;
}

/* ==========================================================================
   Footer Component
   ========================================================================== */
.main-footer {
    background-color: var(--color-dark);
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.footer-cta-banner {
    background-color: var(--color-dark-alt);
    border-top: 1px solid var(--color-border-dark);
    border-bottom: 1px solid var(--color-border-dark);
    padding: 44px 0;
}

.footer-cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.cta-subtitle {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary-light);
    letter-spacing: 0.12em;
    margin-bottom: 6px;
}

.cta-title {
    color: var(--color-text-white);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.cta-desc {
    color: var(--color-text-light);
    max-width: 600px;
    font-size: 0.9375rem;
}

.footer-cta-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.footer-main {
    padding: 56px 24px 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 14px;
}

.logo-footer-img {
    height: 44px;
    width: auto;
    max-width: 170px;
    object-fit: contain;
    display: block;
}

.footer-company-legal {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 10px;
}

.footer-bio {
    color: var(--color-text-light);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 18px;
}

.compliance-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.badge-cert {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 3px 8px;
    color: #cbd5e1;
}

.footer-heading {
    color: var(--color-text-white);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 8px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--color-text-white);
    padding-left: 4px;
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-entry {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.icon-contact {
    color: var(--color-primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-details strong {
    display: block;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: #94a3b8;
    text-transform: uppercase;
}

.contact-details span, .contact-details a {
    font-size: 0.875rem;
    color: #e2e8f0;
    word-break: break-word;
}

.contact-details a:hover {
    color: var(--color-primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border-dark);
    font-size: 0.8125rem;
    color: #64748b;
    font-family: var(--font-mono);
}

.incoterms-note {
    color: #94a3b8;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
    z-index: 2500;
    transition: var(--transition-smooth);
}

.floating-whatsapp:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.6);
}

.wa-tooltip {
    position: absolute;
    right: 64px;
    background-color: var(--color-dark);
    color: var(--color-text-white);
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    border: 1px solid var(--color-border-dark);
}

.floating-whatsapp:hover .wa-tooltip {
    opacity: 1;
}

/* ==========================================================================
   Responsive Breakpoints & Fine Mobile Tweaks
   ========================================================================== */
@media (max-width: 1024px) {
    .categories-grid, .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .about-split {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .about-floating-card {
        right: 0;
        bottom: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --topbar-height: 0px;
    }
    
    body {
        padding-top: 60px;
    }

    .container {
        padding: 0 16px;
    }

    .section {
        padding: 50px 0;
    }

    .hide-mobile { display: none !important; }
    .desktop-nav { display: none; }
    .mobile-toggle { display: flex; }

    /* Top Bar Mobile */
    .top-bar {
        display: none;
    }

    /* Fixed Main Header & Logo on Mobile */
    .main-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 60px;
        z-index: 1500;
        background-color: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .header-inner {
        height: 60px;
    }

    .logo-img {
        height: 36px;
        max-width: 140px;
    }
    
    /* Hide clunky header quote button on mobile */
    .header-actions .btn-crimson {
        display: none;
    }

    .mobile-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-end;
        gap: 5px;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        padding: 8px;
        cursor: pointer;
    }

    .mobile-toggle .bar {
        height: 2.5px;
        width: 24px;
        background-color: var(--color-text-main);
        border-radius: 1px;
    }

    .mobile-toggle .bar:nth-child(2) {
        width: 18px;
    }

    .mobile-toggle .bar:nth-child(3) {
        width: 24px;
    }

    /* Typography & Headings */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.65rem; }
    h3 { font-size: 1.3rem; }
    .page-hero-title { font-size: 1.85rem; }
    .section-title { font-size: 1.65rem; }
    .section-header { margin-bottom: 32px; }

    /* Grids to 1 Column */
    .categories-grid, .products-grid, .pillars-grid, .logistics-grid, .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .metric-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .metric-card {
        padding: 8px 12px;
    }
    .metric-number {
        font-size: 1.5rem;
    }

    /* Product Cards */
    .product-content {
        padding: 16px;
    }
    .product-title {
        font-size: 1.05rem;
    }
    .product-card-actions .btn {
        padding: 9px 8px;
        font-size: 0.6875rem;
    }

    /* Button mobile wrapping */
    .btn {
        white-space: normal;
        word-break: normal;
        text-align: center;
        line-height: 1.35;
    }

    /* Layouts */
    .product-detail-layout, .contact-layout {
        grid-template-columns: 1fr;
        gap: 24px;
        width: 100%;
        max-width: 100%;
    }

    .specs-table-box {
        margin-bottom: 32px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        max-width: 100%;
    }

    .specs-table th {
        width: 40%;
        padding: 10px 12px;
        font-size: 0.8125rem;
    }

    .specs-table td {
        padding: 10px 12px;
        font-size: 0.8125rem;
    }

    .contact-info-panel {
        padding: 24px 18px;
    }

    .contact-form-box {
        padding: 24px 18px;
    }

    .contact-card-list {
        gap: 18px;
        margin-bottom: 24px;
    }

    .map-container {
        height: 280px;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .detail-actions-row {
        flex-direction: column;
        gap: 10px;
    }
    .detail-actions-row .btn {
        width: 100%;
    }

    /* Modal Mobile */
    .rfq-modal-body {
        padding: 16px;
    }
    .rfq-modal-header {
        padding: 14px 18px;
    }
    .rfq-modal-footer {
        flex-direction: column;
        align-items: stretch;
    }
    .rfq-modal-footer .btn {
        width: 100%;
    }

    /* Footer Mobile */
    .footer-cta-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    .footer-cta-actions {
        width: 100%;
        flex-direction: column;
    }
    .footer-cta-actions .btn {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-main {
        padding: 40px 16px 20px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .floating-whatsapp {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .metric-grid {
        grid-template-columns: 1fr;
    }
    .top-bar-right .top-link:last-child {
        display: none;
    }
}