/* ==========================================================================
   ENCCI HEADER
   Header + navegacion + dropdowns + responsive + sticky
   --------------------------------------------------------------------------
   Arquitectura:
   - El header ocupa el 100% del viewport.
   - El .container interior mantiene el ancho ENCCI definido en variables.css.
   - No se redefine .container globalmente.
   - Footer, contacto y redes pertenecen a fecyt.css.
   ========================================================================== */


/* ==========================================================================
   01. HEADER BASE
   ========================================================================== */

header {

    position: fixed;

    top: 0;
    left: 0;
    right: 0;

    width: 100%;

    height: 92px;

    z-index: 500;

    background: var(--header-bg);

    border-bottom: 1px solid var(--header-border);

    box-shadow: none;

    backdrop-filter: blur(12px);

    -webkit-backdrop-filter: blur(12px);

}

@media (min-width: 768px) {

    body.toolbar-fixed header {
        top: 79px;
    }

}

/* Espacio reservado para el header fijo */

main {

    margin-top: 92px;

}

header .container {

    max-width: 100% !important;
}

/* ==========================================================================
   02. NAVBAR
   ========================================================================== */

header .navbar {

    width: 100%;

    min-height: 92px;

    padding-block: 0;

    border: 0;

    border-radius: 0;

    background: transparent;

    box-shadow: none;

}


/*  El header y su contenido ocupan todo el ancho disponible. */

header .navbar > .container {

    width: 100%;
    max-width: none;
    margin-inline: 0;
    padding-inline: clamp(1rem, 3vw, 3rem);

}


/* ==========================================================================
   03. ESTRUCTURA INTERIOR
   ========================================================================== */

.region-nav-branding {

    display: flex;

    align-items: center;

    flex-shrink: 0;

}

.region-nav-branding a {

    display: flex;

    align-items: center;

}

.region-nav-branding img {

    display: block;

    width: auto;

    height: 68px;

    max-width: 280px;

    transform-origin: left center;

    transition:
        transform var(--transition),
        opacity var(--transition);

}


/* Navegacion principal */

.region-nav-main {

    display: flex;

    align-items: center;

    min-width: 0;

}


/* Selector de idioma / elementos adicionales */

.region-nav-additional {

    position: relative;

    display: flex;

    align-items: center;

    flex-shrink: 0;

    margin-left: 1rem;

    padding-left: 1.5rem;

}


/* Separador vertical */

.region-nav-additional::before {

    content: "";

    position: absolute;

    left: 0;

    top: 50%;

    width: 1px;

    height: 40px;

    transform: translateY(-50%);

    background: var(--encci-border-strong);

}


/* ==========================================================================
   04. NAVEGACION PRINCIPAL
   ========================================================================== */

.navbar-nav {

    display: flex;

    align-items: center;

    gap: 2rem;

}

.navbar-nav > .nav-item {

    position: relative;

}

.navbar-nav > .nav-item > .nav-link {

    position: relative;

    display: flex;

    align-items: center;

    gap: .5rem;

    width: max-content;

    min-height: 52px;

    height: 52px;

    padding: 0 1rem;

    border-radius: 12px;

    color: var(--encci-text);

    font-family: var(--title-family);

    font-size: 1.05rem;

    font-weight: 600;

    line-height: 1.2;

    text-decoration: none;

    transition:
        color var(--transition),
        background-color var(--transition);

}

.navbar-nav > .nav-item > .nav-link:hover {

    color: var(--encci-primary-dark);

    background: var(--encci-surface-blue);

}

.navbar-nav > .nav-item > .nav-link.active {

    color: var(--encci-primary-dark);

    font-weight: 700;

    background: transparent;

}


/* ==========================================================================
   05. SELECTOR DE IDIOMA
   ========================================================================== */

.region-nav-additional ul {

    display: flex;

    align-items: center;

    gap: 0;

    margin: 0;

    padding: 0;

    list-style: none;

}

.region-nav-additional li {

    margin: 0;

}

.region-nav-additional li + li {

    position: relative;

}

.region-nav-additional li + li::before {

    content: "";

    position: absolute;

    left: 0;

    top: 50%;

    width: 1px;

    height: 18px;

    transform: translateY(-50%);

    background: var(--encci-border-strong);

}

.region-nav-additional a {

    display: flex;

    align-items: center;

    justify-content: center;

    min-height: 44px;

    padding: 0 .7rem;

    color: var(--encci-text-light);

    border: 1px solid transparent;

    border-radius: 0;

    text-decoration: none;

    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition);

}

.region-nav-additional a:hover {

    color: var(--encci-primary-dark);

    background: transparent;

}

.region-nav-additional .is-active {

    color: var(--encci-primary-dark);

    font-weight: 700;

    border-bottom: 3px solid var(--encci-primary);

}


/* Compatibilidad con el bloque de idioma de Drupal */

div#block-b5subtheme-dropdownlanguage legend {

    display: none;

}


/* ==========================================================================
   06. BUSCADOR
   ========================================================================== */

.header-search {

    display: flex;

    align-items: center;

    justify-content: center;

    width: 46px;

    height: 46px;

    flex-shrink: 0;

    border: 1px solid transparent;

    border-radius: 50%;

    color: var(--encci-text);

    background: transparent;

    transition:
        color var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        transform var(--transition);

}

.header-search:hover {

    color: var(--encci-primary-dark);

    background: var(--encci-surface-blue);

    border-color: var(--encci-border);

}


/* ==========================================================================
   07. BOTON AREA PRIVADA
   ========================================================================== */

.btn-private {

    position: relative;

    display: flex;

    align-items: center;

    justify-content: center;

    gap: .65rem;

    flex-shrink: 0;

    margin-left: 1rem;

    padding: .75rem 1.35rem;

    overflow: hidden;

    border: 0;

    border-radius: var(--radius-pill);

    color: var(--encci-primary-verydark);

    background: var(--encci-secondary);

    font-family: var(--title-family);

    font-weight: 700;

    text-decoration: none;

    transition:
        color var(--transition),
        background-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition);

}

.btn-private:hover {

    color: var(--encci-primary-verydark);

    background: var(--encci-secondary-soft);

    transform: translateY(-2px);

    box-shadow: 0 8px 20px rgba(var(--encci-secondary-rgb), .35);

}

.btn-private::before {

    content: "";

    position: absolute;

    inset: 0;

    background:
        linear-gradient(120deg,
            transparent,
            rgba(255, 255, 255, .35),
            transparent);

    transform: translateX(-130%);

}

.btn-private:hover::before {

    transform: translateX(130%);

    transition: transform .8s ease;

}


/* ==========================================================================
   08. TOGGLER MOVIL
   ========================================================================== */

.navbar-toggler {

    display: flex;

    align-items: center;

    justify-content: center;

    width: 48px;

    height: 48px;

    padding: 0;

    border: 0;

    border-radius: 12px;

    color: var(--encci-text);

    background: var(--encci-surface-blue);

    transition:
        background-color var(--transition),
        transform var(--transition);

}

.navbar-toggler:hover {

    background: var(--encci-primary-light);

}

.navbar-toggler:focus {

    box-shadow: none;

}

.navbar-toggler:focus-visible {

    outline: 3px solid var(--encci-focus);

    outline-offset: 3px;

}

.navbar-toggler-icon {

    width: 24px;

    height: 24px;

}


/* ==========================================================================
   09. DROPDOWNS
   ========================================================================== */

.navbar .dropdown {

    position: relative;

}

/* ==========================================================================
   DROPDOWN — APERTURA
   ========================================================================== */

.navbar .dropdown-menu {

    min-width: 280px;

    margin-top: .75rem;

    padding: .75rem;

    border: 1px solid var(--encci-border);

    border-radius: 20px;

    background: var(--encci-white);

    box-shadow: var(--encci-shadow);

    overflow: visible;

    transform-origin: top left;

    opacity: 0;

    visibility: hidden;

    transform: translateY(8px);

    transition:
        opacity var(--transition),
        transform var(--transition),
        visibility var(--transition);

    z-index: 2000;

}


/*
 * Escritorio:
 * - hover abre
 * - focus-within permite navegación por teclado
 * - .show mantiene el comportamiento de Bootstrap al hacer clic
 */

@media (min-width: 1200px) {

    .navbar .dropdown:hover > .dropdown-menu,
    .navbar .dropdown:focus-within > .dropdown-menu,
    .navbar .dropdown.show > .dropdown-menu {

        opacity: 1;

        visibility: visible;

        transform: translateY(0);

    }

}



/* Items */

.dropdown-menu li {

    position: relative;

}

.dropdown-menu > li + li {

    margin-top: .2rem;

}

.dropdown-item {

    position: relative;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: .75rem;

    min-height: 46px;

    padding: .75rem 1rem;

    overflow: hidden;

    border-radius: 12px;

    color: var(--encci-text);

    font-size: .95rem;

    font-weight: 500;

    text-decoration: none;

    transition:
        background-color var(--transition),
        color var(--transition),
        transform var(--transition);

}

.dropdown-item::before {

    content: "";

    position: absolute;

    left: 0;

    top: 50%;

    width: 4px;

    height: 0;

    border-radius: var(--radius-pill);

    background: var(--encci-primary);

    transform: translateY(-50%);

    transition: height var(--transition);

}

.dropdown-item:hover {

    color: var(--encci-primary-dark);

    background: var(--encci-surface-blue);

}

.dropdown-item:hover::before {

    height: 60%;

}

.dropdown-item.active,
.dropdown-item.is-active {

    color: var(--encci-primary-dark) !important;

    background: transparent !important;

    font-weight: 600;

}

.dropdown-item.active::before,
.dropdown-item.is-active::before {

    height: 70%;

}

.dropdown-item:focus-visible {

    outline: 3px solid var(--encci-focus);

    outline-offset: 2px;

}


/* ==========================================================================
   10. SUBMENUS
   ========================================================================== */

.dropdown-submenu {

    position: relative;

}

.navbar-nav > .dropdown > .dropdown-menu {

    top: 100%;

    left: 0;

}

.dropdown-submenu > .dropdown-menu {

    top: -.75rem;

    left: calc(100% + .5rem);

    margin: 0;

    opacity: 0;

    visibility: hidden;

    transform: translateX(8px);

    transition:
        opacity var(--transition),
        transform var(--transition),
        visibility var(--transition);

}

.dropdown-submenu:hover > .dropdown-menu,
.dropdown-submenu:focus-within > .dropdown-menu {

    opacity: 1;

    visibility: visible;

    transform: translateX(0);

}

.dropdown-submenu > .dropdown-toggle {

    position: relative;

    padding-right: 2.5rem;

}

.dropdown-submenu > .dropdown-toggle::after {

    content: "";

    position: absolute;

    top: 50%;

    right: 1rem;

    width: 7px;

    height: 7px;

    margin: 0;

    border: 0;

    border-top: 2px solid currentColor;

    border-right: 2px solid currentColor;

    color: var(--encci-text-light);

    transform: translateY(-50%) rotate(45deg);

    transition:
        color var(--transition),
        transform var(--transition);

}

.dropdown-submenu:hover > .dropdown-toggle::after {

    color: var(--encci-primary-dark);

}


/* Dropdown toggle principal */

.dropdown-toggle::after {

    flex: 0 0 auto;

    margin-top: 0;

    margin-left: .5rem;

    transition: transform var(--transition);

}

.dropdown.show > .dropdown-toggle::after {

    transform: rotate(180deg);

}


/* ==========================================================================
   11. DROPDOWN AUXILIAR
   ========================================================================== */

.dropdown-header {

    padding: .5rem 1rem;

    margin-bottom: .35rem;

    color: var(--encci-text-light);

    font-size: .78rem;

    letter-spacing: .08em;

    text-transform: uppercase;

}

.dropdown-divider {

    margin: .6rem 0;

    border-color: var(--encci-border);

}


/* ==========================================================================
   12. STICKY
   ========================================================================== */

header.is-sticky {

    height: var(--header-height-sticky);

    background: var(--header-bg-sticky);

    box-shadow: var(--header-shadow-sticky);

    animation: stickyReveal .35s ease;

}

header.is-sticky .navbar {

    min-height: var(--header-height-sticky);

}

header.is-sticky .navbar > .container {

    min-height: var(--header-height-sticky);

}

header.is-sticky .region-nav-branding img {

    height: 58px;

    max-width: 240px;

}

@keyframes stickyReveal {

    from {

        transform: translateY(-18px);

        opacity: .85;

    }

    to {

        transform: none;

        opacity: 1;

    }

}


/* ==========================================================================
   13. TRANSICIONES DEL HEADER
   ========================================================================== */

header,
header .navbar,
header img,
header .nav-link,
header .dropdown-menu {

    transition:
        background-color var(--transition),
        color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition),
        transform var(--transition),
        opacity var(--transition);

}


/* ==========================================================================
   14. MOBILE
   ========================================================================== */

@media (max-width:1199.98px) {

    header {

        height: auto;

        padding: .5rem .5rem 0;

        background: transparent;

        border: 0;

        box-shadow: none;

        backdrop-filter: none;

        -webkit-backdrop-filter: none;

    }

    main {

        margin-top: 72px;

    }

    header .navbar {
        min-height: 72px;
        border-bottom: 1px solid var(--encci-border);
        /* border-radius:18px; */
        background: var(--encci-white);
        /* box-shadow:var(--encci-shadow-sm); */
    }

    header .navbar > .container {

        width: 100%;

        min-height: 72px;

        padding-inline: 1rem;

    }

    .region-nav-branding img {

        width: auto;

        height: auto;

        max-width: 190px;

    }

    .region-nav-additional {

        display: flex;

        margin-top: 1rem;

        margin-left: 0;

        padding-top: 1rem;

        padding-left: 0;

        border-top: 1px solid var(--encci-border);

    }

    .region-nav-additional::before {

        display: none;

    }

    .region-nav-additional ul {

        width: 100%;

        justify-content: center;

    }

    .navbar-collapse {
        max-height: calc(100vh - 90px);
        margin-top: 1rem;
        padding: 1rem;

        overflow-y: auto;
        overflow-x: hidden;

        border: 1px solid var(--encci-border);
        border-radius: 20px;

        background: var(--encci-white) !important;
        box-shadow: var(--encci-shadow);

        opacity: 1;
    }

    .navbar-collapse::-webkit-scrollbar {

        width: 8px;

    }

    .navbar-collapse::-webkit-scrollbar-thumb {

        border-radius: var(--radius-pill);

        background: var(--encci-border-strong);

    }

    .navbar-nav {

        width: 100%;

        gap: .25rem;

    }

    .navbar-nav > .nav-item {

        width: 100%;

    }

    .navbar-nav > .nav-item > .nav-link {

        justify-content: space-between;

        width: 100%;

        min-height: 56px;

        padding: .9rem 1rem;

        border-radius: 14px;

        font-size: 1rem;

    }

    .navbar-nav > .nav-item > .nav-link.active {

        background: transparent;

        color: var(--encci-primary-dark);

    }

    .navbar .dropdown-menu {

        position: static;

        display: none;

        width: 100%;
        min-width: 100%;

        margin: .35rem 0 .5rem;

        padding: .4rem;

        border-radius: 16px;

        background: var(--encci-surface-soft);

        box-shadow: none;

        animation: none;

        opacity: 1;

        visibility: visible;

        transform: none;

    }

    .navbar .dropdown-menu.show {

        display: block;

    }


    .dropdown-submenu > .dropdown-menu {

        position: static;

        display: none;

        width: calc(100% - 1rem);
        min-width: 0;

        margin: .25rem 0 .5rem 1rem;
        padding: .35rem;

        border: 1px solid var(--encci-border);
        border-radius: 14px;

        background: var(--encci-white);

        box-shadow: none;

        opacity: 1;
        visibility: visible;
        transform: none;

        overflow: hidden;
    }


    .dropdown-submenu > .dropdown-menu.show {
        display: block;
    }

    .dropdown-submenu > .dropdown-toggle::after {

        right: 1rem;

        width: 8px;
        height: 8px;

        border: 0;
        border-top: 2px solid var(--encci-primary);
        border-right: 2px solid var(--encci-primary);

        transform: translateY(-65%) rotate(135deg);

    }


    .dropdown-submenu.show > .dropdown-toggle::after {

        transform: translateY(-35%) rotate(-45deg);

    }

    .dropdown-item {

        min-height: 46px;

        border-radius: 12px;

    }

    .btn-private {

        width: 100%;

        margin: 1rem 0 0;

    }

    .header-search {

        width: 100%;

        height: 52px;

        margin-top: 1rem;

        border-radius: 14px;

        background: var(--encci-surface-blue);

    }

    .navbar-nav > .nav-item + .nav-item {
        /* padding-top:.2rem; */
    }

    /* ==========================================================
   SUBMENÚ DE TERCER NIVEL — MÓVIL
   Siempre debajo de su elemento padre
   ========================================================== */

    .dropdown-submenu > .dropdown-menu {

        position: static !important;

        top: auto !important;
        right: auto !important;
        bottom: auto !important;
        left: auto !important;

        inset: auto !important;

        transform: none !important;

        float: none !important;

        display: none;

        width: calc(100% - 1rem) !important;
        min-width: 0 !important;
        max-width: 100% !important;

        margin: .25rem 0 .5rem 1rem !important;
        padding: .35rem !important;

        border: 1px solid var(--encci-border);
        border-radius: 14px;

        background: var(--encci-white);

        box-shadow: none;
    }


    /* Solo aparece cuando se abre */

    .dropdown-submenu > .dropdown-menu.show {
        display: block !important;
    }
    
    
    
    /* Panel completo del menú móvil/tablet */
    #navbarSupportedContent {
        background: var(--encci-white) !important;
        opacity: 1 !important;

        border: 1px solid var(--encci-border);
        border-radius: 20px;

        box-shadow: var(--encci-shadow);

        isolation: isolate;
    }

    /* Contenedores internos transparentes */
    #navbarSupportedContent .region-nav-main,
    #navbarSupportedContent nav,
    #navbarSupportedContent .navbar-nav {
        background: var(--encci-white);
    }

    /* Los dropdowns no deben dejar ver el hero */
    #navbarSupportedContent .dropdown-menu {
        background: var(--encci-white) !important;
        background-image: none !important;
    }    
    
    

}


/* ==========================================================================
   15. SMALL PHONES
   ========================================================================== */

@media (max-width:575px) {

    header {

        padding: 0;

    }

    header .navbar {

        border-radius: 0;

    }

    .region-nav-branding img {

        width: auto;

        height: auto;

        max-width: 165px;

    }

    .navbar-collapse {

        padding: .8rem;

    }

    .navbar-nav > .nav-item > .nav-link {

        font-size: .95rem;

    }

}


/* ==========================================================================
   16. DESKTOP REFINEMENTS
   ========================================================================== */

@media (min-width:1200px) {

    header .navbar {

        padding-inline: .5rem;

    }

    .navbar-nav {

        gap: .45rem;

    }

    .navbar .dropdown-menu {

        min-width: 320px;

    }

}

@media (min-width:1400px) {

    .region-nav-branding img {

        height: 68px;

        max-width: 280px;

    }

}


/* ==========================================================================
   17. ACCESIBILIDAD
   ========================================================================== */

header a:focus-visible,
header button:focus-visible {

    outline: 3px solid var(--encci-focus);

    outline-offset: 3px;

    border-radius: 8px;

}


/* ==========================================================================
   18. REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion:reduce) {

    header,
    header .navbar,
    header img,
    header .nav-link,
    header .dropdown-menu,
    header .navbar-toggler {

        animation: none !important;

        transition: none !important;

    }

}


/* ==========================================================================
   19. PRINT
   ========================================================================== */

@media print {

    header {

        position: static;

        height: auto;

        background: transparent;

        box-shadow: none;

    }

    main {

        margin-top: 0;

    }

    .navbar-toggler {

        display: none;

    }

}





/* ==========================================================================
   MENÚ PRINCIPAL — AJUSTES FINALES
   ========================================================================== */

/* --------------------------------------------------------------------------
   ALINEACIÓN HORIZONTAL
   -------------------------------------------------------------------------- */

header .navbar-nav > .nav-item {
    margin-top: 0 !important;
    padding-top: 0;
    padding-bottom: 0;
    display: flex;
    align-items: center;
}


/*
 * El UL principal debe alinear todos los elementos por el mismo eje.
 */

header .navbar-nav {
    display: flex;
    align-items: center;
}


/*
 * Todos los enlaces principales comparten exactamente la misma
 * alineación vertical.
 */

header .navbar-nav > .nav-item > .nav-link {
    display: flex;
    align-items: center;

    margin: 0;
    padding-top: .75rem;
    padding-bottom: .75rem;

    line-height: 1.2;
}


/* --------------------------------------------------------------------------
   DROPDOWNS / SUBMENÚS
   -------------------------------------------------------------------------- */

/*
 * Fondo blanco opaco.
 *
 * Importante: no usamos solamente "background" porque Bootstrap puede
 * aplicar --bs-dropdown-bg posteriormente.
 */

header .navbar-nav .dropdown-menu {
    background-color: #ffffff !important;
    background-image: none !important;

    opacity: 1 !important;

    z-index: 1050;
}


/*
 * El UL del submenú no debe heredar la sangría/padding de nuestro
 * reset general de listas.
 */

header .navbar-nav .dropdown-menu {
    margin: 0;
    padding: .5rem 0;

    list-style: none;
}


/*
 * Los elementos del submenú tampoco deben recibir el
 * "li + li { margin-top: .25rem }" global.
 */

header .navbar-nav .dropdown-menu > .nav-item,
header .navbar-nav .dropdown-menu > li {
    margin-top: 0 !important;
    padding: 0;
}


/*
 * Enlaces del submenú.
 */

header .navbar-nav .dropdown-menu .nav-link,
header .navbar-nav .dropdown-menu > li > a {
    display: block;

    margin: 0;
    padding: .55rem 1rem;

    line-height: 1.3;
}


/* --------------------------------------------------------------------------
   CAPA DEL DROPDOWN
   -------------------------------------------------------------------------- */

header .navbar {
    position: relative;
    z-index: 1000;
}


header .navbar-nav .dropdown-menu {
    position: absolute;
    z-index: 1050;
}