/* ENCABEZADO */
header {
    background-color: #2d3748;
    z-index: 1000;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    overflow: visible;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.logo {
    width: 64px;
    height: auto;
    display: block;
}

nav {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    position: relative;
}

/* Menú hamburguesa (oculto por defecto en desktop) */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1002;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Animación del menú hamburguesa cuando está abierto */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

nav ul li {
    padding: 5px 10px;
    border-radius: 5px;
    transition: 0.2s;
    position: relative;
}

/* Cambiar color letra header */
nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    display: block;
}

nav ul li a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: #ffffff;
    transition: width 0.3s ease;
}

nav ul li:hover a::after {
    width: 100%;
}

nav ul li:not(.dropdown) {
    padding: 5px 10px;
    border-radius: 5px;
}

/* Línea animada debajo del texto para li sin dropdown */
nav ul li:not(.dropdown) a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0%;
    height: 3px;
    background-color: #ffffff;
    transition: width 0.3s ease;
}

/* Al pasar el ratón */
nav ul li:not(.dropdown):hover a::after {
    width: 100%;
}

nav ul li.dropdown {
    position: relative;
}

/* DROPDOWN PRINCIPAL */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #2d3748;
    min-width: 160px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    padding: 0;
    z-index: 1000;
}

.dropdown-menu li a {
    padding: 8px 10px;
    color: #ffffff;
    display: block;
    text-decoration: none;
}

/* MOSTRAR AL PASAR EL RATÓN */
.dropdown:hover .dropdown-menu {
    display: block;
}

/* HOVER DE SUBMENÚ */
.dropdown-menu li:hover {
    background-color: #3d4758;
}

/* Mostrar el dropdown al hover del li padre */
nav ul li.dropdown:hover .dropdown-menu {
    display: block;
}

/* DROPDOWN DE SEGUNDO NIVEL (SUBMENU) */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu:hover {
    background-color: #3d4758;
}

.dropdown-submenu > a::after {
    content: " ▸";
}

.submenu-list {
    display: none;
    position: absolute;
    left: 100%;
    top: -5px;
    background-color: #2d3748;
    list-style: none;
    padding: 5px 0;
    border-radius: 4px;
    color: white;
    min-width: 160px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    margin-left: -5px;
}

.dropdown-submenu:hover .submenu-list {
    display: block;
}

.submenu-list li a {
    display: block;
    padding: 6px 15px;
    color: #ffffff;
    text-decoration: none;
    transition: background-color 0.3s;
    position: relative;
    font-size: 14px;
}

.submenu-list li a::after {
    display: none;
}

.submenu-list li a:hover {
    background-color: #3d4758;
}



/* Tablets y pantallas medianas (hasta 992px) */
@media screen and (max-width: 992px) {
    nav {
        padding: 0 15px;
    }

    nav ul {
        gap: 15px;
    }

    nav ul li a {
        font-size: 15px;
    }
}

/* Tablets pequeños y móviles (hasta 768px) */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    nav {
        padding: 15px 20px;
    }

    nav > ul {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: #2d3748;
        flex-direction: column;
        padding: 80px 20px 20px;
        gap: 0;
        overflow-y: auto;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
    }

    nav > ul.active {
        right: 0;
    }

    nav ul li {
        width: 100%;
        padding: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    nav ul li a {
        padding: 15px 10px;
        font-size: 16px;
    }

    /* Remover las líneas animadas en móvil */
    nav ul li a::after,
    nav ul li:not(.dropdown) a::after {
        display: none;
    }

    /* Dropdowns en móvil */
    .dropdown-menu {
        position: static;
        display: none;
        box-shadow: none;
        background-color: #3d4758;
        border-radius: 0;
        margin-left: 0;
        width: 100%;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown > a::after {
        content: " ▾";
        float: right;
    }

    .dropdown.active > a::after {
        content: " ▴";
    }

    /* Submenús en móvil */
    .submenu-list {
        position: static;
        display: none;
        background-color: #4a5568;
        box-shadow: none;
        margin-left: 0;
        width: 100%;
        padding: 0;
    }

    .dropdown-submenu.active .submenu-list {
        display: block;
    }

    .dropdown-submenu > a::after {
        content: " ▾";
        float: right;
    }

    .dropdown-submenu.active > a::after {
        content: " ▴";
    }

    .submenu-list li a {
        padding: 12px 20px;
        font-size: 14px;
    }

    /* Overlay oscuro cuando el menú está abierto */
    body.menu-open::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
}

/* Móviles pequeños (hasta 480px) */
@media screen and (max-width: 480px) {
    .logo {
        width: 50px;
    }

    nav {
        padding: 12px 15px;
    }

    nav > ul {
        width: 250px;
    }

    nav ul li a {
        font-size: 15px;
        padding: 12px 10px;
    }

    .submenu-list li a {
        padding: 10px 15px;
        font-size: 13px;
    }
}