:root {
    --navy: #102f49;
    --navy-dark: #091e30;
    --gold: #e4b454;
    --background: #f4f7fb;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--background);
    color: #243746;
}

.main-nav {
    background: var(--navy-dark);
    padding: 18px 0;
}

.navbar-brand {
    letter-spacing: 1px;
    font-size: 1.35rem;
}

.navbar-brand span {
    color: var(--gold);
}

.nav-link {
    color: #e3eaf0;
    font-weight: 500;
}

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

.hero {
    min-height: 460px;
    display: flex;
    align-items: center;
    color: white;
    background:
        linear-gradient(110deg,
            rgba(7, 27, 45, .96),
            rgba(18, 64, 91, .78)),
        url("/static/images/mining-banner.jpg")
        center/cover no-repeat;
    background-color: var(--navy);
}

.hero-content {
    padding-top: 75px;
    padding-bottom: 75px;
}

.eyebrow, .section-label {
    color: var(--gold);
    font-weight: bold;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.7rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-description {
    max-width: 680px;
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.btn-gold {
    background: var(--gold);
    color: #142d40;
    padding: 12px 25px;
    font-weight: bold;
    border: none;
}

.btn-gold:hover {
    background: #f0c876;
    color: #142d40;
}

.services h2, .about-section h2 {
    color: var(--navy);
    font-weight: 800;
}

.service-card {
    display: block;
    height: 100%;
    background: white;
    padding: 30px;
    border-radius: 14px;
    text-decoration: none;
    color: #243746;
    box-shadow: 0 6px 24px rgba(0,0,0,.06);
    transition: transform .2s, box-shadow .2s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,.12);
}

.service-icon {
    font-size: 2.2rem;
    margin-bottom: 18px;
}

.service-card h3 {
    color: var(--navy);
    font-size: 1.25rem;
    font-weight: 700;
}

.service-card p {
    color: #627282;
}

.service-card span {
    color: #986815;
    font-weight: bold;
}

.about-section {
    background: #eaf0f5;
}

.vision-panel {
    background: var(--navy);
    color: white;
    padding: 35px;
    border-radius: 16px;
}

.site-footer {
    background: var(--navy-dark);
    color: #e0eaf1;
}

.site-footer a {
    color: var(--gold);
}

@media (max-width: 768px) {
    .hero {
        min-height: 400px;
    }
    .hero-content {
        padding-top: 55px;
        padding-bottom: 55px;
    }
}

/* Lualaba Connect — Mining Banner Enhancement */

.hero {
    min-height: 540px;
    background:
        linear-gradient(
            90deg,
            rgba(7, 27, 45, 0.88) 0%,
            rgba(7, 27, 45, 0.60) 55%,
            rgba(7, 27, 45, 0.18) 100%
        ),
        url("/static/images/mining-banner.jpg")
        center center / cover no-repeat;
}

.hero h1 {
    text-shadow: 0 3px 12px rgba(0, 0, 0, 0.35);
}

.hero-description {
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

@media (max-width: 768px) {
    .hero {
        min-height: 460px;
        background-position: center;
        background-image:
            linear-gradient(
                rgba(7, 27, 45, 0.82),
                rgba(7, 27, 45, 0.55)
            ),
            url("/static/images/mining-banner.jpg");
    }
}

/* Lualaba Connect — Professional Navigation */

.main-nav {
    background: #102e49 !important;
    padding: 14px 0;
    box-shadow: 0 3px 12px rgba(0,0,0,.15);
}

.main-nav .container {
    max-width: 1400px;
}

.main-nav .navbar-brand {
    font-size: 1.35rem;
    font-weight: 700;
    white-space: nowrap;
}

.main-nav .navbar-nav {
    align-items: center;
    gap: 12px;
}

.main-nav .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    padding: 9px 12px !important;
    border-radius: 6px;
    transition: background .2s ease;
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus {
    background: rgba(255,255,255,.15);
}

.main-nav .dropdown-menu {
    border: none;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
}

.main-nav .dropdown-item {
    padding: 10px 18px;
}

.main-nav .dropdown-item:hover {
    background: #eaf3fa;
    color: #102e49;
}

#language-switcher {
    margin-left: auto !important;
    white-space: nowrap;
}

#language-switcher button {
    font-weight: 700;
    min-width: 36px;
}

@media (max-width: 991px) {
    .main-nav .navbar-nav {
        align-items: flex-start;
        gap: 3px;
    }

    #language-switcher {
        margin-left: 0 !important;
        justify-content: flex-start;
    }
}

/* Lualaba Connect — Horizontal menu correction */

@media (min-width: 992px) {
    .main-nav .container {
        max-width: 100%;
        padding-left: 20px;
        padding-right: 20px;
    }

    .main-nav .navbar-brand {
        font-size: 1.15rem;
        margin-right: 12px;
    }

    .main-nav .navbar-collapse {
        min-width: 0;
    }

    .main-nav .navbar-nav {
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: center;
        gap: 2px;
        min-width: 0;
    }

    .main-nav .nav-link {
        white-space: nowrap;
        font-size: 13px;
        padding: 8px 6px !important;
    }

    #language-switcher {
        margin-left: auto !important;
        flex-shrink: 0;
    }
}

/* LUALABA_NAV_DESIGN_V1 */

.main-nav {
    background: #102e49 !important;
    padding: 14px 0;
    box-shadow: 0 3px 12px rgba(0,0,0,.15);
}

.main-nav > .container {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    max-width: 1400px;
}

.lualaba-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding-bottom: 12px;
    border-bottom: 1px solid #35536a;
}

.lualaba-nav-header .navbar-brand {
    color: white !important;
    font-size: 1.2rem;
    font-weight: 700;
}

#language-switcher {
    margin-left: auto !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.main-nav .navbar-collapse {
    width: 100%;
}

.main-nav .navbar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    gap: 18px;
    margin-left: 0 !important;
    padding-top: 12px;
}

.main-nav .nav-link {
    color: white !important;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    padding: 7px 4px !important;
}

.main-nav .nav-link:hover {
    color: #a9d7ff !important;
}

@media (min-width: 992px) {
    .main-nav .navbar-collapse {
        display: flex !important;
    }
}

@media (max-width: 991px) {
    .main-nav .navbar-toggler {
        align-self: flex-start;
        margin-top: 12px;
    }

    .main-nav .navbar-collapse:not(.show) {
        display: none;
    }

    .main-nav .navbar-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

/* LUALABA_DROPDOWN_STYLE_V1 */

.main-nav .dropdown-menu {
    background: #ffffff;
    border: 0;
    border-radius: 9px;
    padding: 8px;
    min-width: 220px;
    box-shadow: 0 10px 25px rgba(0,0,0,.18);
}

.main-nav .dropdown-item {
    color: #102e49;
    padding: 10px 14px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 500;
}

.main-nav .dropdown-item:hover,
.main-nav .dropdown-item:focus {
    background: #eaf3fa;
    color: #102e49;
}

.main-nav .dropdown-toggle::after {
    margin-left: 6px;
}

@media (max-width: 991px) {
    .main-nav .dropdown-menu {
        box-shadow: none;
        margin-top: 4px;
    }
}

/* LUALABA_MINING_MENU_STYLE_V1 */

.main-nav .dropdown-menu {
    max-height: 70vh;
    overflow-y: auto;
}

.main-nav .dropdown-item {
    white-space: nowrap;
}

@media (max-width: 991px) {
    .main-nav .dropdown-menu {
        max-height: 55vh;
    }
}


/* LUALABA_NAV_UNDERLINE_V2 */
.main-nav .nav-link {
    font-size: 14px !important;
    text-decoration: none !important;
    text-underline-offset: 5px;
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus-visible,
.main-nav .nav-link.active {
    text-decoration: underline !important;
    text-decoration-thickness: 2px !important;
}

.main-nav .dropdown-item:hover,
.main-nav .dropdown-item:focus-visible {
    text-decoration: underline !important;
    text-underline-offset: 4px;
}


/* LUALABA_MINING_MEGA_V2 */

@media (min-width: 992px) {
    .main-nav .lc-mining-mega {
        width: 560px;
        max-width: calc(100vw - 40px);
        display: none;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px 16px;
        padding: 20px;
    }

    .main-nav .lc-mining-mega.show {
        display: grid;
    }
}

.main-nav .lc-mining-mega .dropdown-item {
    font-size: 14px !important;
    white-space: normal;
    border-radius: 6px;
}

.main-nav .lc-mining-mega .dropdown-item:hover,
.main-nav .lc-mining-mega .dropdown-item:focus-visible {
    text-decoration: underline !important;
    text-underline-offset: 4px;
    background: #eaf3fa;
}

@media (max-width: 991px) {
    .main-nav .lc-mining-mega {
        width: 100%;
        max-width: 100%;
    }
}


/* LUALABA_MEGA_HIGHLIGHT_V3 */

/* Main navigation: 14px with blue hover highlight */
.main-nav .nav-link {
    font-size: 14px !important;
    text-decoration: none;
    text-underline-offset: 5px;
    border-radius: 6px;
    transition: background-color .2s ease,
                color .2s ease;
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus-visible,
.main-nav .nav-link.active,
.main-nav .dropdown-toggle.show {
    background-color: #245d83;
    color: #ffffff !important;
    text-decoration: underline !important;
    text-decoration-thickness: 2px !important;
}

/* Mining mega menu: highlight every dropdown link */
.main-nav .lc-mining-mega .dropdown-item {
    font-size: 14px !important;
    color: #173e59;
    border-radius: 6px;
    padding: 10px 12px;
    text-decoration: none;
    transition: background-color .2s ease,
                color .2s ease;
}

.main-nav .lc-mining-mega .dropdown-item:hover,
.main-nav .lc-mining-mega .dropdown-item:focus-visible,
.main-nav .lc-mining-mega .dropdown-item.active {
    background-color: #dceffc !important;
    color: #135a8c !important;
    text-decoration: underline !important;
    text-decoration-thickness: 2px !important;
    text-underline-offset: 4px;
}

/* Keyboard focus */
.main-nav .nav-link:focus-visible,
.main-nav .lc-mining-mega .dropdown-item:focus-visible {
    outline: 2px solid #58b5f5;
    outline-offset: 2px;
}

/* Keep the dropdown visible above homepage content */
.main-nav {
    position: relative;
    z-index: 1050;
}