/*
 * Header e menu principal.
 * Desktop (>= 1200px): submenu abre no hover. Mobile: menu recolhido e submenu abre no toque.
 */

.site-header {
    background-color: var(--bgs-grafite);
    border-bottom: 5px solid var(--bgs-branco);
}

.site-header .navbar {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

.site-header .container {
    align-items: center;
    justify-content: space-around;
}

.site-branding {
    display: flex;
    align-items: center;
    width: 240px;
}

.site-branding img {
    max-width: 100%;
    height: auto;
}

/* Ícone do menu mobile (branco, sem borda) */
.site-header .navbar-toggler {
    width: 60px;
    height: 50px;
    padding: 0.75rem 1rem;
    border: none;
}

.site-header .navbar-toggler:focus,
.site-header .navbar-toggler:active {
    border: none;
    box-shadow: none;
    outline: none;
}

.site-header .navbar-toggler-icon {
    width: 30px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.5' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.site-header .navbar-collapse {
    align-items: center;
    justify-content: center;
}

/* Itens de primeiro nível */
.site-header .navbar-nav {
    gap: 3rem;
    align-items: center;
    margin: 0 auto;
}

.site-header .navbar-nav .nav-link {
    padding: 0.5rem 1rem;
    color: var(--bgs-branco);
    font-size: 1.2rem;
    transition: color 0.3s, opacity 0.3s;
}

.site-header .navbar-nav .nav-link:hover,
.site-header .navbar-nav .nav-link:focus,
.site-header .navbar-nav .nav-link.show {
    color: rgba(255, 255, 255, 0.75);
    opacity: 0.85;
}

.site-header .dropdown-toggle::after {
    display: none;
}

/* Submenu */
.site-header .dropdown-menu {
    min-width: 250px;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 0;
    background-color: var(--bgs-branco);
}

.site-header .dropdown-item {
    padding: 0.5rem 1.5rem;
    color: rgba(0, 0, 0, 0.8);
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    white-space: normal;
    border-bottom: 1px solid var(--bgs-cinza-borda);
}

.site-header .dropdown-item:hover,
.site-header .dropdown-item:focus {
    background-color: var(--bgs-azul);
    color: var(--bgs-branco);
}

.site-header .header-cta {
    margin-left: 1rem;
}

@media (min-width: 1200px) {
    /* Submenu centralizado embaixo do item, aberto no hover */
    .site-header .navbar-nav .dropdown-menu {
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
    }

    .site-header .navbar-nav .dropdown:hover > .dropdown-menu {
        display: block;
    }
}

@media (max-width: 1199.98px) {
    .site-header .container {
        justify-content: center;
    }

    .site-header .navbar-toggler {
        margin-left: 16px;
    }

    .site-header .navbar-collapse {
        flex-direction: column;
    }

    .site-header .navbar-nav {
        width: 100%;
        gap: 1rem;
        margin-top: 3rem;
    }

    .site-header .navbar-nav .nav-item {
        width: 100%;
        text-align: center;
    }

    .site-header .dropdown-menu {
        width: 100%;
        margin: 0.5rem 0;
        background-color: rgba(255, 255, 255, 0.95);
    }

    .site-header .dropdown-item {
        padding: 0.75rem 1rem;
    }

    .site-header .header-cta {
        display: flex;
        justify-content: center;
        width: 100%;
        margin: 1.5rem 0 1rem;
    }
}