/**
 * 03. CHROME — INSTITUTIONAL HEADER & NAVIGATION
 * Topbar oscuro de autoridad, Header blanco impecable con máxima legibilidad de logotipo
 */

/* Topbar Institucional */
.eupg-topbar {
    background-color: var(--eupg-navy-950);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8125rem;
    padding: 7px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 1010;
}

.eupg-topbar .eupg-section-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.eupg-topbar a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--eupg-transition-fast);
}

.eupg-topbar a:hover {
    color: var(--eupg-cyan-400);
}

.eupg-topbar-moodle {
    color: var(--eupg-cyan-400) !important;
    font-weight: 700;
    background: rgba(0, 188, 212, 0.12);
    padding: 3px 10px;
    border-radius: var(--eupg-radius-pill);
    border: 1px solid rgba(0, 188, 212, 0.25);
    transition: all var(--eupg-transition-fast) !important;
}

.eupg-topbar-moodle:hover {
    background: rgba(0, 188, 212, 0.25);
    color: #FFFFFF !important;
    box-shadow: 0 0 10px rgba(0, 188, 212, 0.4);
}

/* Header Principal — Blanco Puro con Contraste Impecable */
.eupg-header-main {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #FFFFFF;
    border-bottom: 1px solid var(--eupg-border);
    transition: all var(--eupg-transition);
}

.eupg-header-main.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0, 29, 61, 0.08);
}

.eupg-header-container {
    width: 100%;
    max-width: var(--eupg-container-width);
    margin: 0 auto;
    padding: 0.65rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

/* Integración y Nitidez del Logo */
.eupg-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.eupg-logo-link img,
.custom-logo {
    height: 54px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    display: block;
}

/* Navegación Principal */
.eupg-main-navigation {
    display: flex;
    align-items: center;
}

.eupg-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.eupg-nav-menu > li {
    position: relative;
}

.eupg-nav-menu > li > a {
    color: var(--eupg-navy-900);
    font-family: var(--wp--preset--font-family--heading, 'Montserrat', sans-serif);
    font-weight: 700;
    font-size: 0.9375rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--eupg-radius-pill);
    text-decoration: none;
    transition: all var(--eupg-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.eupg-nav-menu > li > a:hover,
.eupg-nav-menu > li.current-menu-item > a,
.eupg-nav-menu > li.current-menu-ancestor > a {
    color: var(--eupg-cyan-600);
    background: var(--eupg-surface);
}

.eupg-nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--eupg-cyan-600);
    border-radius: 2px;
    transition: transform var(--eupg-transition);
}

.eupg-nav-menu > li > a:hover::after,
.eupg-nav-menu > li.current-menu-item > a::after {
    transform: translateX(-50%) scaleX(1);
}

/* Submenús Dropdown */
.eupg-nav-menu .sub-menu,
.eupg-submenu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 230px;
    background: #FFFFFF;
    border: 1px solid var(--eupg-border);
    border-radius: var(--eupg-radius-md);
    box-shadow: 0 12px 36px rgba(0, 29, 61, 0.12);
    padding: 0.6rem;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--eupg-transition-fast);
    z-index: 1000;
}

.eupg-nav-menu > li:hover .sub-menu,
.eupg-nav-menu > li:focus-within .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.eupg-nav-menu .sub-menu a {
    color: var(--eupg-navy-900);
    font-weight: 600;
    padding: 0.65rem 0.9rem;
    border-radius: var(--eupg-radius-sm);
    display: block;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all var(--eupg-transition-fast);
}

.eupg-nav-menu .sub-menu a:hover {
    background: var(--eupg-surface);
    color: var(--eupg-cyan-600);
}

/* Botón Mobile Hamburger */
.eupg-mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--eupg-border);
    border-radius: var(--eupg-radius-sm);
    color: var(--eupg-navy-900);
    padding: 8px 12px;
    cursor: pointer;
}

@media (max-width: 991px) {
    .eupg-mobile-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .eupg-main-navigation {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: #FFFFFF;
        padding: 5rem 1.5rem 2rem;
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
        transition: right var(--eupg-transition-smooth);
        z-index: 1100;
        flex-direction: column;
        align-items: flex-start;
    }

    .eupg-main-navigation.is-active {
        right: 0;
    }

    .eupg-nav-menu {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 8px;
    }

    .eupg-nav-menu > li {
        width: 100%;
    }

    .eupg-nav-menu > li > a {
        width: 100%;
        padding: 0.75rem 1rem;
    }
}

/* ═══════════════════════════════════════════════════
   FOOTER INSTITUCIONAL EGEMC — UMSS
   ═══════════════════════════════════════════════════ */
.eupg-footer-institutional {
    background: linear-gradient(180deg, var(--eupg-navy-950) 0%, #00060F 100%);
    color: #CBD5E1;
    position: relative;
    width: 100%;
}

.eupg-footer-accent-bar {
    height: 4px;
    width: 100%;
    background: linear-gradient(90deg, var(--eupg-cyan-500) 0%, var(--eupg-coral-500) 50%, var(--eupg-cyan-500) 100%);
}

.eupg-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

@media (max-width: 1024px) {
    .eupg-footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 640px) {
    .eupg-footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Columna Marca */
.eupg-footer-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 188, 212, 0.12);
    border: 1px solid rgba(0, 188, 212, 0.3);
    color: var(--eupg-cyan-400);
    padding: 4px 12px;
    border-radius: var(--eupg-radius-pill);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.eupg-footer-brand-heading {
    color: #FFFFFF !important;
    font-size: 1.25rem !important;
    font-weight: 800 !important;
    line-height: 1.3 !important;
    margin: 0 0 1rem !important;
}

.eupg-footer-brand-desc {
    color: #94A3B8;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* Títulos de Columnas */
.eupg-footer-col-title {
    color: #FFFFFF !important;
    font-family: var(--wp--preset--font-family--heading, 'Montserrat', sans-serif) !important;
    font-size: 1.05rem !important;
    font-weight: 800 !important;
    margin: 0 0 1.25rem !important;
    position: relative;
    padding-bottom: 0.5rem;
}

.eupg-footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--eupg-cyan-500);
    border-radius: 2px;
}

/* Listas de Enlaces */
.eupg-footer-nav-list,
.eupg-footer-contact-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
}

.eupg-footer-nav-list a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--eupg-transition-fast);
    display: inline-block;
}

.eupg-footer-nav-list a:hover {
    color: #FFFFFF;
    transform: translateX(4px);
}

.eupg-footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: #94A3B8;
    line-height: 1.5;
}

.eupg-footer-contact-list a {
    color: #CBD5E1;
    text-decoration: none;
    transition: color var(--eupg-transition-fast);
}

.eupg-footer-contact-list a:hover {
    color: var(--eupg-cyan-400);
}

/* Redes Sociales */
.eupg-footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 1.5rem;
}

.eupg-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--eupg-transition-fast);
}

.eupg-social-btn:hover {
    background: var(--eupg-cyan-500);
    border-color: var(--eupg-cyan-500);
    color: var(--eupg-navy-950) !important;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 188, 212, 0.4);
}

/* Barra Inferior */
.eupg-footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8125rem;
    color: #64748B;
}

.eupg-footer-bottom-bar p {
    margin: 0;
}

.eupg-footer-legal-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.eupg-footer-legal-links a {
    color: #94A3B8;
    text-decoration: none;
    transition: color var(--eupg-transition-fast);
}

.eupg-footer-legal-links a:hover {
    color: #FFFFFF;
}

/* ═══════════════════════════════════════════════════
   NEWSLETTER & ACCREDITATION TRUST BAR
   ═══════════════════════════════════════════════════ */
.eupg-footer-newsletter-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem 0;
    background: rgba(0, 29, 61, 0.4);
}

.eupg-newsletter-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--eupg-radius-lg);
    padding: 1.75rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.eupg-newsletter-text {
    flex: 1;
    min-width: 280px;
}

.eupg-newsletter-form-wrap {
    flex: 1;
    min-width: 300px;
    max-width: 480px;
}

.eupg-newsletter-form {
    display: flex;
    gap: 8px;
}

.eupg-newsletter-input {
    flex: 1;
    background: rgba(0, 14, 31, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--eupg-radius-pill);
    padding: 0.65rem 1.15rem;
    color: #FFFFFF;
    font-size: 0.875rem;
    outline: none;
    transition: all var(--eupg-transition-fast);
}

.eupg-newsletter-input:focus {
    border-color: var(--eupg-cyan-500);
    box-shadow: 0 0 12px rgba(0, 188, 212, 0.3);
}

.eupg-footer-trust-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1.5rem 2.5rem;
    padding: 1.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 2rem;
}

.eupg-trust-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.eupg-trust-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--eupg-cyan-400);
    box-shadow: 0 0 8px var(--eupg-cyan-400);
}