/* ============================================
   MAIN NAVIGATION - CINVICO
   ============================================ */

.main-nav {
    background: var(--primary-blue, var(--primary-navy));
    padding: 0;
}

.main-nav .navbar-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    gap: 0.25rem;
}

.main-nav .nav-item {
    position: relative;
}

.main-nav .nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 13px 16px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: color 0.2s ease;
    white-space: nowrap;
    background: transparent;
}

/* Gạch chân green trượt nhẹ — thay cho khối nền đặc */
.main-nav .nav-link::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 7px;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.25s ease;
}

.main-nav .nav-link:hover,
.main-nav .nav-link:focus,
.main-nav .nav-link[aria-current="page"] {
    color: #fff;
    background: rgba(255, 255, 255, 0.14);
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link:focus::after,
.main-nav .nav-link[aria-current="page"]::after {
    transform: scaleX(1);
}

/* Home (icon): không cần gạch chân */
.main-nav .nav-link.nav-home::after { display: none; }

/* ============================================
   HOME LINK - ICON ONLY
   ============================================ */
.main-nav .nav-link.nav-home {
    padding: 14px 16px;
}

.main-nav .nav-link.nav-home i {
    font-size: 1.25rem;
    margin: 0;
    line-height: 1;
    vertical-align: middle;
}

/* ============================================
   DROPDOWN ARROW
   ============================================ */
.main-nav .dropdown-arrow {
    font-size: 0.7rem;
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.main-nav .nav-item.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* ============================================
   DROPDOWN MENU
   ============================================ */
.main-nav .nav-item.has-dropdown > .dropdown-menu {
    display: block !important;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    padding: 10px 0;
    margin: 0;
    background: #fff;
    border: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1000;
    pointer-events: none;
}

.main-nav .dropdown-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: #333;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
    position: relative;
}

.main-nav .dropdown-item::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%) scaleX(0);
    width: 3px;
    height: 50%;
    background: var(--primary-blue, var(--primary-navy));
    border-radius: 2px;
    transition: transform 0.2s ease;
    transform-origin: left center;
}

.main-nav .dropdown-item:hover,
.main-nav .dropdown-item:focus {
    background: #f0f4f8;
    color: var(--primary-blue, var(--primary-navy));
}

.main-nav .dropdown-item:hover::before,
.main-nav .dropdown-item:focus::before {
    transform: translateY(-50%) scaleX(1);
}

.main-nav .dropdown-item.active {
    background: var(--primary-blue, var(--primary-navy));
    color: #fff;
}

.main-nav .dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--primary-blue, var(--primary-navy));
}

.main-nav .dropdown-item:hover i,
.main-nav .dropdown-item.active i {
    color: inherit;
}

/* ============================================
   DESKTOP: DROPDOWN ON HOVER
   ============================================ */
@media (min-width: 992px) {
    /* Show dropdown on hover */
    .main-nav .nav-item.has-dropdown:hover > .dropdown-menu {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        pointer-events: auto;
    }
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1199.98px) {
    .main-nav .nav-link {
        padding: 12px 13px;
        font-size: 0.8125rem;
        letter-spacing: 0.03em;
    }

    .main-nav .nav-link::after {
        left: 13px;
        right: 13px;
    }

    .main-nav .nav-link.nav-home {
        padding: 10px 16px !important;
    }

    .main-nav .nav-link.nav-home i {
        font-size: 1.5rem !important;
    }
}

/* Main nav is hidden on mobile via d-none d-lg-block class */