/* Nigeria Metro – Theme aligned with logo (black + gold) */
:root {
    --color-black: #0a0a0a;
    --color-black-soft: #141414;
    --color-black-card: #1a1a1a;
    --color-gold: #e69138;
    --color-gold-light: #f0a84d;
    --color-gold-dark: #c47a28;
    --color-grey: #a9a9a9;
    --color-grey-light: #d4d4d4;
    --color-white: #ffffff;
    --color-text: #e8e8e8;
    --color-text-muted: #9a9a9a;
    --font-serif: 'Cinzel', Georgia, serif;
    --font-sans: 'Source Sans 3', system-ui, sans-serif;
    --header-height: 80px;
    --radius: 10px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    background: var(--color-black);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-main { flex: 1; }

a { color: var(--color-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-gold-light); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-black);
    border-bottom: 1px solid rgba(230, 145, 56, 0.2);
}

.header-top {
    background: var(--color-black-soft);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
    color: var(--color-grey);
}

.header-top-inner {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 1.25rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.header-top i { color: var(--color-gold); margin-right: 0.35rem; }

.navbar-main { padding: 0.5rem 0; }

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-logo { height: 56px; width: auto; display: block; }

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.25rem;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.6rem 1rem;
    color: var(--color-grey-light);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--color-gold);
    background: rgba(230, 145, 56, 0.08);
}

.nav-btn-outline {
    border: 1px solid var(--color-gold) !important;
    color: var(--color-gold) !important;
}

.nav-btn-outline:hover { background: rgba(230,145,56,0.15) !important; }

.nav-btn-gold {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark)) !important;
    color: var(--color-black) !important;
    font-weight: 600 !important;
}

.nav-btn-gold:hover {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold)) !important;
    color: var(--color-black) !important;
}

/* Dropdown */
.nav-dropdown { position: relative; }

.dropdown-panel {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--color-black-card);
    border: 1px solid rgba(230, 145, 56, 0.25);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
    padding: 1rem;
    z-index: 100;
}

.nav-dropdown:hover .dropdown-panel,
.nav-dropdown.open .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-panel {
    display: flex;
    gap: 2rem;
    min-width: 320px;
    left: auto;
    right: 0;
}

.mega-cat-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    color: var(--color-gold);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(230,145,56,0.2);
}

.mega-sub-list { list-style: none; }
.mega-sub-list li a {
    display: block;
    padding: 0.4rem 0;
    color: var(--color-grey-light);
    font-size: 0.9rem;
}
.mega-sub-list li a:hover { color: var(--color-gold); padding-left: 0.35rem; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}
.nav-toggle span {
    width: 26px;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition);
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    height: 520px;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
}

.carousel-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.55) 55%, rgba(10,10,10,0.35) 100%);
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    max-width: 620px;
    padding: 2rem 0;
}

.slide-content h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.slide-content h1 span { color: var(--color-gold); }

.slide-content p {
    font-size: 1.1rem;
    color: var(--color-grey-light);
    margin-bottom: 1.5rem;
}

.btn-gold {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: var(--color-black);
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}
.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 145, 56, 0.35);
    color: var(--color-black);
}

.btn-outline-gold {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border: 2px solid var(--color-gold);
    color: var(--color-gold);
    font-weight: 600;
    border-radius: var(--radius);
    margin-left: 0.75rem;
}
.btn-outline-gold:hover { background: rgba(230,145,56,0.12); color: var(--color-gold-light); }

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(230, 145, 56, 0.2);
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition);
}
.carousel-btn:hover { background: var(--color-gold); color: var(--color-black); }
.carousel-prev { left: 1rem; }
.carousel-next { right: 1rem; }

.carousel-dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
}
.carousel-dot.active { background: var(--color-gold); width: 28px; border-radius: 5px; }

/* Trade Section */
.trade-intro {
    padding: 4rem 0 2rem;
    text-align: center;
}

.section-eyebrow {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    color: var(--color-text-muted);
    max-width: 720px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
}

.trade-stats-banner {
    background: linear-gradient(135deg, var(--color-black-card) 0%, #222 100%);
    border: 1px solid rgba(230, 145, 56, 0.2);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.stat-box strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--color-gold);
}

.stat-box span { font-size: 0.9rem; color: var(--color-grey); }

.trade-narrative {
    background: var(--color-black-soft);
    border-left: 4px solid var(--color-gold);
    padding: 1.5rem 2rem;
    margin-bottom: 3rem;
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-grey-light);
    font-size: 1.02rem;
    line-height: 1.75;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding-bottom: 4rem;
}

.resource-card {
    background: var(--color-black-card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.resource-card:hover {
    border-color: rgba(230, 145, 56, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.resource-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(230, 145, 56, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.resource-card h3 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--color-white);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.resource-card p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    flex: 1;
    margin-bottom: 1rem;
}

.resource-card .learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-gold);
}
.resource-card .learn-more:hover { gap: 0.6rem; }

/* Inner pages */
.page-hero {
    background: linear-gradient(180deg, var(--color-black-soft) 0%, var(--color-black) 100%);
    padding: 3rem 0;
    border-bottom: 1px solid rgba(230,145,56,0.15);
    text-align: center;
}

.page-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    color: var(--color-white);
}

.page-hero .breadcrumb {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}
.page-hero .breadcrumb a { color: var(--color-gold); }

.page-content {
    padding: 3rem 0 4rem;
    max-width: 860px;
    margin: 0 auto;
}

.page-content h2 {
    font-family: var(--font-serif);
    color: var(--color-gold);
    margin: 2rem 0 1rem;
    font-size: 1.35rem;
}

.page-content p, .page-content li {
    color: var(--color-grey-light);
    margin-bottom: 1rem;
}

.page-content ul { padding-left: 1.5rem; margin-bottom: 1.5rem; }

/* Forms */
.auth-section {
    padding: 3rem 0 5rem;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--color-black-card);
    border: 1px solid rgba(230,145,56,0.2);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.auth-card h1 {
    font-family: var(--font-serif);
    text-align: center;
    color: var(--color-white);
    margin-bottom: 0.25rem;
    font-size: 1.75rem;
}

.auth-card .auth-sub {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 1.75rem;
    font-size: 0.95rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    color: var(--color-grey-light);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-black-soft);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    color: var(--color-white);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-gold);
}

.btn-block {
    width: 100%;
    padding: 0.85rem;
    margin-top: 0.5rem;
}

.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}
.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.1);
}

.btn-google {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--color-white);
    color: #333;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    text-decoration: none;
}
.btn-google:hover { background: #f0f0f0; color: #111; }
.btn-google img { width: 20px; height: 20px; }

.auth-footer-link {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-success { background: rgba(40,167,69,0.15); border: 1px solid #28a745; color: #7dcea0; }
.alert-error { background: rgba(220,53,69,0.15); border: 1px solid #dc3545; color: #f5a5a5; }
.alert-info { background: rgba(230,145,56,0.12); border: 1px solid var(--color-gold); color: var(--color-gold-light); }

/* Category & Cart */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0 4rem;
}

.category-tile {
    background: var(--color-black-card);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition);
}
.category-tile:hover {
    border-color: var(--color-gold);
    transform: translateY(-3px);
}
.category-tile i { font-size: 2.5rem; color: var(--color-gold); margin-bottom: 0.75rem; }
.category-tile h3 { font-family: var(--font-serif); color: var(--color-white); font-size: 1rem; }

.cart-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
}
.cart-empty i { font-size: 4rem; color: var(--color-gold); opacity: 0.5; display: block; margin-bottom: 1rem; }

/* Footer */
.site-footer {
    background: var(--color-black-soft);
    border-top: 2px solid var(--color-gold);
    margin-top: auto;
}

.footer-wave {
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.footer-main { padding: 4rem 0 2rem; }

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
}

.footer-logo { height: 64px; margin-bottom: 0.5rem; }
.footer-tagline { color: var(--color-gold); font-style: italic; margin-bottom: 1rem; font-size: 0.95rem; }
.footer-about { color: var(--color-text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 1.5rem; }

.footer-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.stat-item strong { display: block; color: var(--color-gold); font-family: var(--font-serif); font-size: 1.25rem; }
.stat-item span { font-size: 0.8rem; color: var(--color-grey); }

.footer-col h4 {
    font-family: var(--font-serif);
    color: var(--color-white);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--color-gold); }

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.65rem;
}
.footer-contact i { color: var(--color-gold); margin-top: 0.2rem; }

.social-icons {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}
.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(230,145,56,0.12);
    border: 1px solid rgba(230,145,56,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    font-size: 1.1rem;
    transition: all var(--transition);
}
.social-icons a:hover {
    background: var(--color-gold);
    color: var(--color-black);
}

.footer-newsletter { margin-top: 1.25rem; }
.footer-newsletter label { font-size: 0.85rem; color: var(--color-grey); display: block; margin-bottom: 0.5rem; }
.newsletter-row { display: flex; gap: 0.5rem; }
.newsletter-row input {
    flex: 1;
    padding: 0.6rem 0.85rem;
    background: var(--color-black);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    color: var(--color-white);
    font-size: 0.9rem;
}
.newsletter-row button {
    padding: 0.6rem 1rem;
    background: var(--color-gold);
    color: var(--color-black);
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.newsletter-row button:hover { background: var(--color-gold-light); }

.mt-4 { margin-top: 1.5rem; }

.footer-bottom {
    background: var(--color-black);
    padding: 1.25rem 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-legal a { color: var(--color-grey); }
.footer-legal a:hover { color: var(--color-gold); }
.footer-legal .sep { margin: 0 0.5rem; opacity: 0.4; }

/* Responsive */
@media (max-width: 992px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mega-panel { right: auto; left: 0; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--color-black-card);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 1.5rem 2rem;
        transition: right var(--transition);
        border-left: 1px solid rgba(230,145,56,0.2);
        overflow-y: auto;
        z-index: 999;
    }
    .nav-menu.open { right: 0; }
    .nav-menu > li > a { padding: 0.85rem 1rem; }
    .dropdown-panel {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 1rem;
        margin-top: 0.25rem;
    }
    .nav-dropdown.open .dropdown-panel { display: block; }
    .hero-carousel { height: 420px; }
    .btn-outline-gold { margin-left: 0; margin-top: 0.75rem; display: inline-block; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
}