/**
 * Nigeria Metro – Public site visual enhancements (white theme)
 * Dashboard panels use assets/css/panel.css only — unchanged.
 */

:root {
    --surface-page: #f7f4ef;
    --surface-elevated: #ffffff;
    --surface-muted: #f3efe6;
    --surface-accent: #fff9f2;
    --border-subtle: rgba(185, 134, 74, 0.18);
    --border-strong: rgba(185, 134, 74, 0.35);
    --heading: #1a2332;
    --accent-blue: #0b2a55;
    --shadow-sm: 0 4px 20px rgba(26, 35, 50, 0.06);
    --shadow-md: 0 12px 40px rgba(26, 35, 50, 0.08);
    --shadow-lg: 0 20px 50px rgba(26, 35, 50, 0.1);
    --radius-lg: 14px;
    --radius-xl: 20px;
}

body {
    background: linear-gradient(180deg, var(--surface-page) 0%, #ffffff 40%, var(--surface-page) 100%);
    background-attachment: fixed;
}

/* Header */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.header-top {
    background: linear-gradient(90deg, var(--surface-accent) 0%, var(--surface-muted) 50%, var(--surface-accent) 100%);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

.navbar-main {
    padding: 0.65rem 0;
}

.brand-logo {
    height: 88px;
    filter: drop-shadow(0 2px 8px rgba(185, 134, 74, 0.15));
}

.nav-menu > li > a,
.nav-menu > li > .nav-link-btn {
    border-radius: 8px;
    font-weight: 500;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active,
.nav-menu > li > .nav-link-btn:hover,
.nav-menu > li > .nav-link-btn.active {
    background: rgba(185, 134, 74, 0.1);
    color: var(--color-gold-dark);
}

.nav-btn-gold {
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(185, 134, 74, 0.25);
}

.nav-btn-gold:hover {
    box-shadow: 0 6px 20px rgba(185, 134, 74, 0.35);
    transform: translateY(-1px);
}

.dropdown-panel {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-lg);
    padding: 1.25rem 1.5rem;
}

/* Hero */
.hero-carousel {
    border-bottom: 1px solid var(--border-subtle);
}

.carousel-slide::before {
    background: linear-gradient(115deg, rgba(26, 35, 50, 0.88) 0%, rgba(26, 35, 50, 0.45) 45%, rgba(26, 35, 50, 0.25) 100%);
}

.slide-content h1 {
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.btn-gold {
    box-shadow: 0 4px 16px rgba(185, 134, 74, 0.3);
    border-radius: 10px;
    letter-spacing: 0.02em;
}

.btn-gold:hover {
    box-shadow: 0 8px 24px rgba(185, 134, 74, 0.4);
}

.btn-outline-gold {
    border-radius: 10px;
    background: #ffffff;
}

.btn-outline-gold:hover {
    background: #fff9f2;
}

/* Section typography */
.section-eyebrow {
    font-family: var(--font-eyebrow);
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--color-gold-dark);
}

.home-categories-section .section-eyebrow {
    color: var(--color-gold-dark);
}

.home-categories-section .section-title {
    color: var(--color-gold);
}

.section-title {
    font-family: var(--font-display);
    color: var(--heading);
    letter-spacing: 0.02em;
    line-height: 1.25;
}

.section-subtitle {
    max-width: 640px;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* Trade intro */
.trade-intro {
    padding: 4.5rem 0 3rem;
    background: linear-gradient(180deg, var(--surface-elevated) 0%, var(--surface-muted) 100%);
}

.trade-intro .section-eyebrow {
    font-size: 1.25rem;
}

.trade-intro .section-subtitle {
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--heading);
}

.trade-stats-banner {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 2.25rem 2rem;
    gap: 1.25rem;
}

.stat-box {
    background: linear-gradient(145deg, #0b2a55 0%, #143d7a 100%);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    border: 1px solid rgba(215, 131, 45, 0.35);
    box-shadow: 0 6px 20px rgba(11, 42, 85, 0.2);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.stat-box:hover {
    transform: translateY(-4px);
    border-color: var(--color-gold);
    box-shadow: 0 10px 28px rgba(11, 42, 85, 0.28);
}

.stat-box strong {
    font-size: 2.15rem;
    color: var(--color-gold-light);
}

.stat-box span {
    color: #ffffff;
    font-size: 0.88rem;
    line-height: 1.45;
}

.trade-narrative {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-left: 4px solid var(--color-gold);
    border-radius: 0 var(--radius) var(--radius) 0;
    box-shadow: var(--shadow-sm);
    color: var(--color-text);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Resource cards — blue, white & gold (cards only) */
.resource-grid {
    gap: 1.75rem;
}

.resource-card {
    background: linear-gradient(145deg, #0b2a55 0%, #143d7a 100%);
    border: 1px solid rgba(215, 131, 45, 0.4);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: 2rem 1.75rem;
}

.resource-card:hover {
    border-color: var(--color-gold-light);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
    transform: translateY(-6px);
}

.resource-card .card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(215, 131, 45, 0.22);
    border: 1px solid rgba(215, 131, 45, 0.5);
    color: var(--color-gold-light);
    font-size: 1.4rem;
}

.resource-card h3 {
    color: #ffffff;
    font-size: 1.08rem;
}

.resource-card p {
    color: rgba(255, 255, 255, 0.9);
}

.resource-card .learn-more {
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(215, 131, 45, 0.35);
    width: 100%;
    color: var(--color-gold-light);
}

.resource-card .learn-more:hover {
    color: #ffffff;
}

/* Homepage categories */
.home-categories-section {
    background: linear-gradient(180deg, var(--surface-muted) 0%, var(--surface-page) 100%);
    border-top: none;
}

.home-products-section {
    background: var(--surface-elevated);
    border-top: 1px solid var(--border-subtle);
}

.home-category-block {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem 2rem;
    box-shadow: var(--shadow-sm);
}

.home-category-label-text {
    color: var(--heading);
    font-size: 1.35rem;
}

.home-sub-item {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.home-sub-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    color: var(--color-gold-dark);
}

.home-sub-item span {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.88rem;
}

/* Product scroll row */
.product-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.product-card:hover {
    box-shadow: var(--shadow-md);
}

.product-card h4 {
    color: var(--heading);
}

/* Page hero & content */
.page-hero {
    background: linear-gradient(165deg, var(--surface-accent) 0%, var(--surface-elevated) 45%, var(--surface-page) 100%);
    padding: 3.5rem 0 2.5rem;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}


.page-hero h1 {
    color: var(--heading);
    position: relative;
    z-index: 1;
}

.page-content {
    max-width: 820px;
    margin: 0 auto;
    padding: 2.5rem 0 4rem;
    line-height: 1.75;
}

.page-content h2 {
    color: var(--heading);
    margin-top: 2.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid rgba(185, 134, 74, 0.25);
    font-size: 1.2rem;
}

.page-content p,
.page-content li {
    color: var(--color-text);
}

.page-content ul {
    padding-left: 1.35rem;
    margin-bottom: 1.25rem;
}

/* Auth */
.auth-section {
    background: linear-gradient(180deg, var(--surface-muted) 0%, var(--surface-page) 100%);
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.auth-card,
.auth-card-wide {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem 2.25rem;
}

.auth-card h1 {
    color: var(--heading);
    font-family: var(--font-display);
}

.auth-card .form-group input,
.auth-card .form-group select,
.auth-card-wide .form-group input {
    border-radius: 10px;
    border: 1px solid rgba(17, 24, 39, 0.12);
    background: var(--surface-muted);
}

.auth-card .form-group input:focus,
.auth-card .form-group select:focus {
    border-color: var(--color-gold);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(185, 134, 74, 0.15);
}

/* Footer */
.site-footer {
    background: linear-gradient(180deg, #2a2418 0%, #1e2832 100%);
    color: #e8eaef;
    border-top: 3px solid var(--color-gold);
}

.footer-wave {
    height: 6px;
    background: linear-gradient(90deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-dark));
}

.footer-main {
    padding: 3.5rem 0 2rem;
}

.footer-logo {
    filter: brightness(1.1);
}

.footer-tagline {
    color: var(--color-gold-light);
}

.footer-about,
.footer-legal-block {
    color: #c5cdd8;
}

.footer-col h4 {
    color: #fff;
    letter-spacing: 0.06em;
}

.footer-col ul li a {
    color: #b8c5d6;
}

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

.footer-contact li {
    color: #b8c5d6;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.25);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: #9aa8bc;
}

.footer-legal a {
    color: #b8c5d6;
}

/* Mega dropdown chips */
.mega-sub-chip {
    background: var(--surface-muted);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
}

.mega-sub-chip:hover {
    background: var(--surface-elevated);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
}

.mega-cat-title {
    color: var(--color-gold-dark);
}

/* Alerts */
.alert-success {
    background: #ecfdf5;
    border-color: #6ee7b7;
    color: #047857;
    border-radius: 10px;
}

.alert-error {
    background: #fef2f2;
    border-color: #fecaca;
    color: #b91c1c;
    border-radius: 10px;
}

.alert-info {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #1d4ed8;
    border-radius: 10px;
}

/* Supplier contact on product page */
.supplier-contact-box {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-left: 4px solid var(--color-gold);
    box-shadow: var(--shadow-sm);
}

.supplier-contact-box h3 {
    color: var(--heading);
}

/* Category tiles */
.category-tile {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.category-tile:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.category-tile h3 {
    color: var(--heading);
}

/* Homepage: trending products */
.home-trending-section {
    padding: 3rem 0;
    background: linear-gradient(180deg, var(--surface-accent) 0%, var(--surface-elevated) 100%);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.home-trending-section .section-title {
    color: var(--color-gold);
}

.product-card-trending {
    position: relative;
}

.product-trending-badge {
    position: absolute;
    top: 0.65rem;
    left: 0.65rem;
    z-index: 2;
    font-family: var(--font-eyebrow);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 0.5rem;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: #fff;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(185, 134, 74, 0.35);
}

/* Homepage: top importers / exporters */
.home-trade-section {
    padding: 3.5rem 0;
    background: var(--surface-muted);
}

.home-exporters-section {
    background: var(--surface-elevated);
    border-top: 1px solid var(--border-subtle);
}

.trade-rank-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.trade-rank-card {
    position: relative;
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.25rem 1.25rem 3.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.home-exporters-section .trade-rank-card {
    background: var(--surface-muted);
}

.trade-rank-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.trade-rank-num {
    position: absolute;
    left: 1rem;
    top: 1.25rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-accent);
    font-size: 1.1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    border-radius: 50%;
}

.trade-rank-country {
    font-family: var(--font-eyebrow);
    font-size: 1.05rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--heading);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.trade-rank-label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 0.2rem;
}

.trade-rank-estimate {
    margin-bottom: 0.65rem;
    font-size: 0.92rem;
    color: var(--color-text);
}

.trade-rank-estimate strong {
    display: block;
    font-family: var(--font-accent);
    font-size: 1.15rem;
    color: var(--color-gold-dark);
    margin-top: 0.15rem;
}

.trade-rank-goods {
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--color-text-muted);
    margin: 0;
}

/* Homepage: services links */
.home-services-section {
    padding: 3.5rem 0 4rem;
    background: linear-gradient(180deg, var(--surface-page) 0%, var(--surface-muted) 100%);
    border-top: 1px solid var(--border-subtle);
}

.home-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.home-service-card {
    display: flex;
    flex-direction: column;
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.home-service-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.home-service-card h3 {
    font-family: var(--font-eyebrow);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gold-dark);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.home-service-card p {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.btn-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-gold);
    text-decoration: none;
    margin-top: auto;
}

.btn-read-more:hover {
    color: var(--color-gold-dark);
    gap: 0.65rem;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.contact-list i {
    color: var(--color-gold);
    margin-top: 0.15rem;
}

/* Back to main site (nigeriametro.com) */
.back-home-link {
    color: var(--color-gold);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition);
}

.back-home-link:hover {
    color: var(--color-gold-dark);
    text-decoration: underline;
}

.header-top .back-home-link {
    color: var(--color-gold-dark);
}

.header-top .back-home-link:hover {
    color: var(--color-gold);
}

.site-footer .back-home-link {
    color: var(--color-gold-light);
}

.site-footer .back-home-link:hover {
    color: #ffffff;
}

.back-home-banner {
    padding: 1.5rem 0;
    text-align: center;
    background: linear-gradient(180deg, var(--surface-muted) 0%, var(--surface-elevated) 100%);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.back-home-banner-inner .back-home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-eyebrow);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.65rem 1.25rem;
    border: 2px solid var(--color-gold);
    border-radius: 8px;
    background: #ffffff;
}

.back-home-banner-inner .back-home-link:hover {
    background: var(--color-gold);
    color: #ffffff;
    text-decoration: none;
}

/* Homepage blog */
.home-blog-section {
    padding: 3.5rem 0;
    background: var(--surface-elevated);
    border-top: 1px solid var(--border-subtle);
}

.home-blog-section .section-title {
    color: var(--heading);
}

.home-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.home-blog-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.home-blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.home-blog-card-image-link {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.home-blog-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.home-blog-card:hover img {
    transform: scale(1.03);
}

.home-blog-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.25rem 1.35rem 1.5rem;
}

.home-blog-date {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.home-blog-card h3 {
    font-family: var(--font-eyebrow);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.65rem;
}

.home-blog-card h3 a {
    color: var(--heading);
    text-decoration: none;
}

.home-blog-card h3 a:hover {
    color: var(--color-gold-dark);
}

.home-blog-card p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    flex: 1;
}

/* Single blog post */
.blog-post-hero h1 {
    max-width: 820px;
    margin: 0 auto;
}

.blog-post-meta {
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

.blog-post-wrap {
    padding: 2rem 0 4rem;
    max-width: 820px;
}

.blog-post-featured {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.blog-post-content {
    padding: 0;
    max-width: none;
}

.blog-post-content p {
    margin-bottom: 1.15rem;
}

.blog-post-back {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.china-directory-section {
    background: var(--surface-page);
    border-top: 1px solid var(--border-subtle);
}

.china-directory-section .section-title {
    color: var(--color-gold-dark);
}

.china-directory-card {
    background: linear-gradient(145deg, #0b2a55 0%, #143d7a 100%);
    box-shadow: var(--shadow-sm);
}

.china-supplier-item {
    background: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.china-supplier-item h3 {
    color: var(--color-gold-dark);
}

@media (max-width: 768px) {
    .trade-rank-grid,
    .home-services-grid,
    .home-blog-grid,
    .china-directory-grid {
        grid-template-columns: 1fr;
    }
}