/* =========================================================
   HEADER V3 - INEM KENNEDY
   Cabecera institucional + barra de navegación
========================================================= */

.inem-header {
    position: sticky;
    top: 0;
    z-index: var(--inem-z-header);
    width: 100%;
    background: var(--inem-white);
    box-shadow: 0 8px 28px rgba(6, 42, 70, .14);
}

.admin-bar .inem-header { top: 32px; }

/* Franja institucional */
.inem-header__masthead {
    background: var(--inem-white);
    border-bottom: 1px solid var(--inem-border-soft);
}

.inem-header__masthead-inner {
    min-height: 124px;
    display: grid;
    grid-template-columns: minmax(120px, 1fr) minmax(400px, 2fr) minmax(160px, 1fr);
    align-items: center;
    gap: var(--inem-space-xl);
    padding-block: var(--inem-space-sm);
}

.inem-header__brand {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
}

.inem-header__logo,
.inem-header__logo .custom-logo-link {
    display: inline-flex;
    align-items: center;
}

.inem-header__logo img,
.inem-header .custom-logo {
    display: block;
    width: auto !important;
    height: 94px !important;
    max-width: 140px !important;
    object-fit: contain;
}

.inem-header__logo-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 82px;
    height: 82px;
    color: var(--inem-white);
    background: var(--inem-gradient-main);
    border-radius: 50%;
    font-weight: 900;
    text-decoration: none;
}

.inem-header__identity {
    display: flex;
    min-width: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--inem-gray-900);
    text-align: center;
    text-decoration: none;
}

.inem-header__identity:hover,
.inem-header__identity:focus-visible {
    color: var(--inem-secondary-dark);
}

.inem-header__institution-name {
    max-width: 560px;
    font-size: clamp(1.45rem, 2.2vw, 2rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -.025em;
}

.inem-header__motto {
    max-width: 620px;
    margin-top: 8px;
    color: var(--inem-gray-800);
    font-size: .82rem;
    font-style: italic;
    font-weight: 600;
    line-height: 1.25;
}

/* Redes sociales */
.inem-header__social { justify-self: end; }

.inem-header__social-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--inem-space-sm);
    margin: 0;
    padding: 0;
    list-style: none;
}

.inem-header__social-menu li { margin: 0; }

.inem-header__social-menu a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    overflow: hidden;
    color: var(--inem-secondary);
    background: var(--inem-white);
    border: 2px solid var(--inem-secondary);
    border-radius: 8px;
    font-size: 0;
    line-height: 1;
    text-decoration: none;
    transition: color var(--inem-transition-fast), background-color var(--inem-transition-fast), transform var(--inem-transition-fast);
}

.inem-header__social-menu a::before {
    font-family: dashicons;
    font-size: 22px;
    line-height: 1;
}

.inem-header__social-menu a[href*="facebook"]::before { content: "\f304"; }
.inem-header__social-menu a[href*="instagram"]::before { content: "\f12d"; }
.inem-header__social-menu a[href*="youtube"]::before,
.inem-header__social-menu a[href*="youtu.be"]::before { content: "\f19b"; }

.inem-header__social-menu a:not([href*="facebook"]):not([href*="instagram"]):not([href*="youtube"]):not([href*="youtu.be"]) {
    display: none;
}

.inem-header__social-menu a:hover,
.inem-header__social-menu a:focus-visible {
    color: var(--inem-white);
    background: var(--inem-secondary);
    transform: translateY(-2px);
}

/* Barra de navegación */
.inem-header__nav-band {
    color: var(--inem-white);
    background: var(--inem-secondary);
    border-bottom: 3px solid var(--inem-accent);
}

.inem-header__nav-inner {
    min-height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.inem-nav { width: 100%; min-width: 0; }

.inem-nav__menu,
.inem-nav__menu ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.inem-nav__menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(var(--inem-space-md), 2.25vw, var(--inem-space-xl));
}

.inem-nav__menu li { position: relative; margin: 0; }

.inem-nav__menu a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 52px;
    color: var(--inem-white);
    font-size: .88rem;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
    letter-spacing: .015em;
    transition: color var(--inem-transition-fast);
}

.inem-nav__menu a:hover,
.inem-nav__menu a:focus-visible,
.inem-nav__menu .current-menu-item > a,
.inem-nav__menu .current-menu-ancestor > a {
    color: var(--inem-accent);
}

.inem-nav__menu a::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--inem-accent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--inem-transition-fast);
}

.inem-nav__menu a:hover::after,
.inem-nav__menu a:focus-visible::after,
.inem-nav__menu .current-menu-item > a::after,
.inem-nav__menu .current-menu-ancestor > a::after { transform: scaleX(1); }

/* Submenús */
.inem-nav__menu .menu-item-has-children > a { gap: var(--inem-space-xs); }

.inem-nav__menu .menu-item-has-children > a::before {
    content: '';
    width: 7px;
    height: 7px;
    order: 2;
    margin-left: 2px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
}

.inem-nav__menu .sub-menu {
    position: absolute;
    top: calc(100% + var(--inem-space-sm));
    left: 50%;
    z-index: var(--inem-z-dropdown);
    min-width: 240px;
    padding: var(--inem-space-sm);
    background: var(--inem-white);
    border: 1px solid var(--inem-border-soft);
    border-radius: var(--inem-radius-md);
    box-shadow: var(--inem-shadow-medium);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(8px);
    transition: opacity var(--inem-transition-fast), visibility var(--inem-transition-fast), transform var(--inem-transition-fast);
}

.inem-nav__menu .sub-menu::before {
    content: '';
    position: absolute;
    right: 0;
    bottom: 100%;
    left: 0;
    height: calc(var(--inem-space-sm) + 4px);
}

.inem-nav__menu li:hover > .sub-menu,
.inem-nav__menu li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.inem-nav__menu .sub-menu a {
    display: flex;
    min-height: auto;
    padding: 10px 12px;
    border-radius: var(--inem-radius-sm);
    color: var(--inem-primary);
    font-size: .94rem;
    font-weight: 700;
    letter-spacing: 0;
    white-space: nowrap;
}

.inem-nav__menu .sub-menu a::after { display: none; }

.inem-nav__menu .sub-menu a:hover,
.inem-nav__menu .sub-menu a:focus-visible,
.inem-nav__menu .sub-menu .current-menu-item > a {
    color: var(--inem-secondary);
    background: rgba(15, 109, 59, .08);
}

/* Botón móvil */
.inem-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    padding: 0;
    color: var(--inem-secondary);
    background: var(--inem-white);
    border: 2px solid var(--inem-secondary);
    border-radius: 8px;
    cursor: pointer;
}

.inem-nav-toggle:hover,
.inem-nav-toggle:focus-visible { color: var(--inem-white); background: var(--inem-secondary); }

.inem-nav-toggle__icon { position: relative; display: block; width: 25px; height: 18px; }

.inem-nav-toggle__icon::before,
.inem-nav-toggle__icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 25px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: top var(--inem-transition-fast), transform var(--inem-transition-fast);
}

.inem-nav-toggle__icon::before { top: 4px; }
.inem-nav-toggle__icon::after { top: 12px; }
.inem-nav-toggle[aria-expanded="true"] .inem-nav-toggle__icon::before { top: 8px; transform: rotate(45deg); }
.inem-nav-toggle[aria-expanded="true"] .inem-nav-toggle__icon::after { top: 8px; transform: rotate(-45deg); }

/* Responsive */
@media (max-width: 1180px) {
    .inem-header__masthead-inner {
        grid-template-columns: minmax(100px, .8fr) minmax(350px, 2fr) minmax(150px, .8fr);
        gap: var(--inem-space-lg);
    }

    .inem-nav__menu { gap: var(--inem-space-md); }
    .inem-nav__menu a { font-size: .82rem; }
}

@media (max-width: 900px) {
    .admin-bar .inem-header { top: 46px; }

    .inem-header__masthead-inner {
        min-height: 86px;
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: var(--inem-space-md);
    }

    .inem-header__logo img,
    .inem-header .custom-logo { height: 62px !important; max-width: 82px !important; }

    .inem-header__institution-name { font-size: clamp(1rem, 3.2vw, 1.35rem); }
    .inem-header__motto { display: none; }
    .inem-header__social { display: none; }
    .inem-nav-toggle { display: inline-flex; justify-self: end; }
    .inem-header__nav-band { border-bottom-width: 2px; }
    .inem-header__nav-inner { min-height: 0; display: block; }
    .inem-nav { display: none; width: 100%; }
    .inem-nav.is-open { display: block; }

    .inem-nav__menu {
        display: grid;
        justify-content: stretch;
        gap: 0;
        padding: var(--inem-space-sm) 0;
    }

    .inem-nav__menu > li + li { border-top: 1px solid rgba(255, 255, 255, .16); }

    .inem-nav__menu a {
        width: 100%;
        min-height: 52px;
        justify-content: center;
        padding: 13px 12px;
        color: var(--inem-white);
        font-size: .98rem;
        text-align: center;
    }

    .inem-nav__menu a::after,
    .inem-nav__menu .menu-item-has-children > a::before { display: none; }

    .inem-nav__menu .sub-menu {
        position: static;
        min-width: 0;
        padding: 0 0 var(--inem-space-xs);
        background: rgba(255, 255, 255, .07);
        border: 0;
        border-radius: var(--inem-radius-sm);
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: none;
    }

    .inem-nav__menu .sub-menu a {
        min-height: 42px;
        color: rgba(255, 255, 255, .9);
        font-size: .9rem;
        white-space: normal;
    }

    .inem-nav__menu .sub-menu a:hover,
    .inem-nav__menu .sub-menu a:focus-visible { color: var(--inem-primary-dark); background: var(--inem-accent); }
}

@media (max-width: 600px) {
    .inem-header__masthead-inner { min-height: 76px; gap: var(--inem-space-sm); }
    .inem-header__logo img,
    .inem-header .custom-logo { height: 52px !important; max-width: 68px !important; }
    .inem-header__institution-name { font-size: .98rem; }
    .inem-nav-toggle { width: 42px; height: 42px; }
}

@media (max-width: 390px) {
    .inem-header__masthead-inner { padding-inline: 14px; }
    .inem-header__institution-name { font-size: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
    .inem-header a,
    .inem-nav-toggle__icon::before,
    .inem-nav-toggle__icon::after { transition: none; }
}