.hero-header {
    background-image: url('/assets/img/hero-bg.jpeg');
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero-overlay {
    background-color: rgba(13, 110, 253, 0.75);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
}

#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    z-index: 999;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: #ffffff !important;
    opacity: 1 !important;
}

.navbar-toggler {
    color: #ffffff !important;
    border-color: #ffffff !important;
}

.navbar-toggler-icon {
    filter: brightness(0) invert(1) !important;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: transparent;
        border: none;
        box-shadow: none;
    }

    .mobile-grid-menu {
        display: flex;
        flex-direction: column;
        gap: 8px;
        padding-bottom: 20px;
        list-style: none;
        padding-left: 0;
    }

    .mobile-grid-menu .nav-item {
        background-color: #0b5ed7;
        border-radius: 8px;
        transition: transform 0.2s ease;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        width: 100%;
    }

    .mobile-grid-menu .nav-item:active {
        transform: scale(0.98);
    }

    .mobile-grid-menu .nav-link {
        color: #ffffff !important;
        border: none !important;
        padding: 15px 20px !important;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
        font-weight: 500;
        font-size: 1rem;
        opacity: 1 !important;
    }

    .mobile-grid-menu .nav-link i {
        font-size: 1.2rem;
        margin-bottom: 0;
        margin-right: 15px !important;
        color: #ffffff !important;
    }
}

.logo-slider {
    overflow: hidden;
    padding: 30px 0;
    white-space: nowrap;
}

.logo-track {
    display: inline-block;
    animation: scroll linear infinite;
}

.logo-slider:hover .logo-track {
    animation-play-state: paused;
}

.logo-item {
    display: inline-block;
    margin: 0 40px;
    height: 120px;
    filter: grayscale(100%);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.logo-item:hover {
    filter: grayscale(0%);
    transform: scale(1.1);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}