.bg-gradient-primary-to-secondary {
    background: linear-gradient(135deg, var(--bs-primary, #0d6efd) 0%, var(--bs-secondary, #6c757d) 100%);
}
:root {
    --primary-color: #E64545;
    --wh-black: #000000;
    --wh-dark-grey: #121212;
    --wh-light-text: #f8f9fa;
    --wh-light-text-muted: rgba(248, 249, 250, 0.75);
    --header-height: 70px;
}

body {
    overflow-x: hidden;
}

header#mainHeader {
    background-color: var(--wh-black);
    z-index: 1030;
}

#topbar {
    background-color: var(--wh-dark-grey);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#topbar a {
    color: var(--wh-light-text-muted);
    transition: color 0.2s ease;
    text-decoration: none;
}

#topbar a:hover {
    color: var(--wh-light-text);
}

.main-navbar .nav-link {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
    color: var(--wh-light-text-muted);
}

.main-navbar.navbar-dark .nav-item .nav-link:hover,
.main-navbar.navbar-dark .nav-item.active .nav-link,
.main-navbar.navbar-dark .nav-item .nav-link.active {
    color: var(--wh-light-text);
    opacity: 1;
}

.navbar-brand img {
    max-height: 45px;
}

.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    z-index: 1030;
    padding: 0.5rem 0.8rem;
}