body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

/* Banner */
.banner-carousel,
.banner-carousel .carousel-inner,
.banner-carousel .carousel-item {
    width: 100%;
    height: clamp(220px, 32vw, 300px);
    background: #000;
    overflow: hidden;
}

.banner-carousel img,
.banner-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

/* Bootstrap Responsive Navbar */
.custom-navbar {
    /*background: linear-gradient(90deg, #003366, #0066cc);*/
    background: linear-gradient(90deg, #b30000, #ff3333);
    padding: 0;
}

.navbar-brand {
    font-size: 20px;
    color: white !important;
}

.navbar-nav .nav-link {
    color: white !important;
    font-weight: bold;
    font-size: 16px;
    padding: 12px 18px !important;
}

.navbar-nav .nav-link:hover {
    background: #ffcc00;
    color: #003366 !important;
    border-radius: 5px;
}

.dropdown-menu {
    min-width: 270px;
}

.dropdown-item {
    font-weight: bold;
    font-size: 15px;
}

.dropdown-item:hover {
    background: #003366;
    color: white;
}

/* Main Content */
.hero {
    min-height: 280px;
}

/* Footer */
.footer {
    background: #003366;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}

/* Mobile */
@media(max-width: 768px) {
    .banner-carousel,
    .banner-carousel .carousel-inner,
    .banner-carousel .carousel-item {
        height: 150px;
    }

    .navbar-nav .nav-link {
        font-size: 16px;
        padding: 10px 18px !important;
    }

    .dropdown-menu {
        border-radius: 0;
    }
}

@media(max-width: 480px) {
    .banner-carousel,
    .banner-carousel .carousel-inner,
    .banner-carousel .carousel-item {
        height: 120px;
    }
}