/* CSS cho header, menu, nav, logo, submenu, mobile menu, v.v. */
.custom-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    border-bottom: 2px solid #cc0000;
    overflow: visible !important;
    height: 70px !important;
}
.header-container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 4px 40px !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
    overflow: visible !important;
    min-height: 70px !important;
    position: relative !important;
}

@media (max-width: 991px) {
    .header-container {
        justify-content: space-between !important;
        padding: 4px 18px !important;
        margin-left: 0 !important;
    }
}
.logo {
    flex: 0 0 auto !important;
    order: 1 !important;
    margin-right: 0 !important;
}

@media (max-width: 991px) {
    .logo {
        margin-right: 0 !important;
        flex: 0 0 auto !important;
    }
}
.logo img {
    width: 400px;
    height: auto;
    object-fit: contain;
    transition: width 0.3s ease;
}
.desktop-nav {
    flex: 1 !important;
    display: flex !important;
    justify-content: flex-start !important;
    margin-left: 30px !important;
    order: 2 !important;
    overflow: visible !important;
    align-items: center !important;
    height: 70px !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 1000 !important;
}
.desktop-nav ul {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    flex-wrap: nowrap !important;
    gap: 30px !important;
    height: 70px !important;
}
.desktop-nav li {
    position: relative !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
    height: 70px !important;
}
.desktop-nav a {
    color: #333 !important;
    font-weight: bold !important;
    font-size: 16px !important;
    padding: 14px 20px !important;
    display: flex !important;
    align-items: center !important;
    transition: color 0.3s ease;
    white-space: nowrap !important;
    height: 70px !important;
    line-height: 1 !important;
}
.desktop-nav a:hover,
.desktop-nav a.active {
    color: #cc0000 !important;
}
.desktop-nav .has-submenu {
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    height: 70px !important;
    overflow: visible !important;
    z-index: 9998 !important;
}

.desktop-nav li.has-submenu {
    position: relative !important;
    overflow: visible !important;
    z-index: 9998 !important;
}

.desktop-nav li.has-submenu > .submenu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    z-index: 9999 !important;
}
.desktop-nav .submenu {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    background: #ffffff !important;
    min-width: 250px !important;
    max-width: 300px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(-10px) !important;
    transition: all 0.3s ease !important;
    padding: 10px 0 !important;
    z-index: 1000 !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
}
.desktop-nav .submenu ul {
    display: block !important;
    padding: 0;
    margin: 0;
}
.desktop-nav .submenu li {
    display: block !important;
}
.desktop-nav .submenu a {
    padding: 14px 24px !important;
    font-weight: 500 !important;
    font-size: 15px !important;
    color: #222 !important;
    background: #ffffff !important;
    border-bottom: 1px solid #f0f0f0 !important;
    transition: all 0.3s ease !important;
}
.desktop-nav .submenu a:hover,
.desktop-nav .submenu a:focus {
    background: #f8f9fa !important;
    color: #cc0000 !important;
    padding-left: 25px !important;
}

.desktop-nav .submenu a:last-child {
    border-bottom: none !important;
}

/* Đảm bảo submenu hiện khi hover - giống trang index */
.desktop-nav .has-submenu:hover .submenu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}
.menu-toggle {
    display: none !important;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
}

@media (min-width: 992px) {
    .menu-toggle {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        width: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
    }
}

@media (max-width: 991px) {
    .menu-toggle {
        display: flex !important;
    }
}
.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #cc0000;
    transition: all 0.3s ease;
    border-radius: 2px;
}
.menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}
.mobile-menu {
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    width: 350px !important;
    height: 100vh !important;
    background-color: #cc0000 !important;
    z-index: 9999 !important;
    padding: 60px 0 20px !important;
    overflow-y: auto !important;
    transition: all 0.4s ease !important;
    transform: translateX(100%) !important;
    visibility: hidden !important;
    box-shadow: -5px 0 15px rgba(0,0,0,0.2) !important;
    display: block !important;
    pointer-events: none !important;
}

@media (max-width: 991px) {
    .mobile-menu {
        display: block !important;
    }
}
.mobile-menu.active {
    transform: translateX(0) !important;
    visibility: visible !important;
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}
.menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 30px;
    cursor: pointer;
    z-index: 1002;
}
.mobile-nav {
    padding: 60px 0 20px 0;
}
.mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.mobile-nav li {
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: background 0.3s ease;
}
.mobile-nav a:hover,
.mobile-nav a.active {
    background-color: rgba(255,255,255,0.1);
}
.mobile-nav .submenu-toggle {
    position: relative;
    padding-right: 50px;
}
.arrow-down {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid white;
    transition: transform 0.3s ease;
}
.arrow-down.active {
    transform: translateY(-50%) rotate(180deg);
}
.mobile-nav .submenu {
    background-color: rgba(0,0,0,0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.mobile-nav .submenu.open {
    max-height: 400px;
}
.mobile-nav .submenu a {
    padding-left: 30px;
    font-size: 13px;
}
.mobile-footer {
    padding: 20px;
    text-align: center;
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: auto;
}
.mobile-only {
    display: none !important;
}
.desktop-only {
    display: flex !important;
}
@media (min-width: 992px) {
    .mobile-only {
        display: none !important;
    }
    .desktop-nav {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    .header-container {
        margin: 0 !important;
        margin-left: 20px !important;
    }
}
@media (max-width: 991px) {
    .header-container {
        padding: 4px 6px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
    }
    .logo {
        order: 1 !important;
        margin-right: 0 !important;
        flex: 0 0 auto !important;
    }
    .desktop-nav {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        width: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    .custom-header .desktop-nav {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        width: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    .menu-toggle {
        display: flex !important;
        order: 2 !important;
        margin-left: 0 !important;
        flex: 0 0 auto !important;
    }
    .mobile-only {
        display: flex !important;
    }
    .custom-header {
        background: white !important;
    }
}
@media (max-width: 1200px) {
    .logo img {
        width: 350px;
    }
}

@media (max-width: 991px) {
    .logo img {
        width: 300px;
    }
}

@media (max-width: 768px) {
    .logo img {
        width: 250px;
    }
    .header-container {
        padding: 4px 6px;
    }
}
@media (max-width: 576px) {
    .logo img {
        width: 140px;
    }
}
body {
    padding-top: 70px;
}

/* Force hiển thị desktop navigation trên desktop */
@media (min-width: 992px) {
    .custom-header .desktop-nav {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 1000 !important;
    }

    .custom-header .desktop-nav ul {
        display: flex !important;
        align-items: center !important;
        height: 70px !important;
    }

    .custom-header .desktop-nav li {
        display: flex !important;
        align-items: center !important;
        height: 70px !important;
    }

    .custom-header .desktop-nav a {
        display: flex !important;
        align-items: center !important;
        height: 70px !important;
        line-height: 1 !important;
        padding: 14px 10px !important;
    }
} 
/* Fix: Đảm bảo submenu header desktop luôn hiển thị đúng, không bị ghi đè bởi style.css */
.desktop-nav .submenu {
    position: absolute !important;
    opacity: 0 !important;
    visibility: hidden !important;
    z-index: 1000 !important;
    top: 100% !important;
    left: 0 !important;
    min-width: 250px !important;
    max-width: 300px !important;
    background: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    padding: 10px 0 !important;
    border: 1px solid #e0e0e0 !important;
    border-radius: 4px !important;
    transition: all 0.3s ease !important;
    transform: translateY(-10px) !important;
}

/* Đơn giản hóa - submenu hiện khi hover - giống trang index */
.desktop-nav li.has-submenu:hover .submenu,
.desktop-nav .has-submenu:hover .submenu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}
.desktop-nav .submenu ul {
    display: flex !important;
    flex-direction: column !important;
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
    width: 100% !important;
}
.desktop-nav .submenu li {
    display: flex !important;
    margin: 0 !important;
    width: 100% !important;
    height: auto !important;
    min-height: 40px !important;
    flex-direction: column !important;
}
.desktop-nav .submenu a {
    display: block !important;
    padding: 14px 24px !important;
    font-weight: 500 !important;
    font-size: 15px !important;
    color: #222 !important;
    background: #ffffff !important;
    border-bottom: 1px solid #f0f0f0 !important;
    white-space: nowrap !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    line-height: 1.5 !important;
    height: auto !important;
}
.desktop-nav li.has-submenu > a {
    padding-bottom: 10px !important;
}

/* Hover effect cho submenu - giống trang index */
.desktop-nav .submenu a:hover {
    background: #f8f9fa !important;
    color: #cc0000 !important;
    padding-left: 25px !important;
}