/**
 * ===================================
 * CSS UNIFICADO - BIBLIOTECA PLATAFORMA
 * Biblioteca Abierta de Trabajo Social
 * Estilo: Plataforma Editorial Profesional
 * Usar para TODAS las páginas
 * ===================================
 */

/* ===================================
   VARIABLES CSS
   =================================== */

:root {
    /* Colores principales - Plataforma Profesional */
    --navy: #1B2838;
    --navy-dark: #15202B;
    --navy-light: #2A3F54;
    --gold: #D4A853;
    --gold-light: #E8C476;
    --gold-dark: #B8923E;
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #ADB5BD;
    --gray-600: #6C757D;
    --gray-800: #343A40;
    --gray-900: #212529;

    /* Aliases para compatibilidad */
    --color-primario: var(--navy);
    --color-secundario: var(--navy-light);
    --color-acento: var(--gold);
    --color-fondo: var(--gray-50);
    --color-fondo-blanco: var(--white);
    --color-texto: var(--gray-900);
    --color-texto-claro: var(--gray-600);
    --color-borde: var(--gray-200);

    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;

    /* Dimensiones */
    --container-max: 1400px;
    --header-height: 70px;

    /* Bordes y sombras */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --sombra-suave: 0 2px 8px rgba(0,0,0,0.08);
    --sombra-tarjeta: 0 4px 12px rgba(0,0,0,0.1);
    --sombra-hover: 0 10px 30px rgba(0,0,0,0.12);

    /* Transiciones */
    --transicion-base: 0.3s ease;
    --transicion-fast: 0.2s ease;

    /* Tipografía */
    --font-encabezados: 'Inter', 'Segoe UI', sans-serif;
    --font-cuerpo: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===================================
   RESET Y BASE
   =================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-cuerpo);
    color: var(--color-texto);
    background-color: var(--color-fondo);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===================================
   TIPOGRAFÍA
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-encabezados);
    color: var(--color-primario);
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; margin-bottom: var(--spacing-lg); }
h2 { font-size: 2rem; letter-spacing: -0.01em; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; margin-bottom: var(--spacing-sm); }
h4 { font-size: 1.25rem; margin-bottom: var(--spacing-sm); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-texto-claro);
    line-height: 1.7;
}

a {
    color: var(--navy-light);
    text-decoration: none;
    transition: color var(--transicion-fast);
}

a:hover {
    color: var(--gold);
}

/* ===================================
   CONTENEDOR PRINCIPAL
   =================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

main {
    min-height: calc(100vh - 200px);
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-3xl);
}

section {
    margin-bottom: var(--spacing-3xl);
}

/* ===================================
   HEADER - PLATAFORMA PROFESIONAL
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.logo {
    font-family: var(--font-encabezados);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: all var(--transicion-base);
}

.logo:hover {
    color: var(--gold);
    transform: translateY(-1px);
}

.logo span {
    color: var(--gold);
}

/* Navegación principal - COMPACTA CON ICONOS */
.nav-main {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 6px 10px;
    border-radius: 6px;
    position: relative;
    transition: all var(--transicion-base);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
    line-height: 1.2;
}

.nav-link .nav-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.9;
}

.nav-link:hover {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: var(--white);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background-color: var(--gold);
    border-radius: 2px;
}

/* Navegación Oposiciones destacada */
.nav-link-oposiciones {
    background-color: var(--gold) !important;
    color: var(--navy) !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    padding: 6px 12px !important;
}

.nav-link-oposiciones:hover {
    background-color: var(--gold-light) !important;
    color: var(--navy) !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(212, 168, 83, 0.4);
}

.nav-link-oposiciones::after {
    display: none !important;
}

/* Navegación IA destacada */
.nav-link-highlight {
    background-color: rgba(212, 168, 83, 0.2) !important;
    color: var(--gold-light) !important;
    border: 1px solid rgba(212, 168, 83, 0.3) !important;
    padding: 6px 10px !important;
}

.nav-link-highlight:hover {
    background-color: var(--gold) !important;
    color: var(--navy) !important;
}

/* Navegación común agrupada */
.nav-parent {
    color: rgba(255, 255, 255, 0.85);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.78rem;
    padding: 8px 11px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: all var(--transicion-base);
}

.nav-parent:hover,
.nav-group.is-active .nav-parent,
.nav-group:focus-within .nav-parent {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-parent span {
    color: var(--gold-light);
    font-size: 0.7rem;
}

.nav-group {
    position: relative;
}

.nav-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    z-index: 1200;
    display: none;
    width: 320px;
    padding: 8px;
    border: 1px solid rgba(212, 168, 83, 0.28);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
}

.nav-menu-wide {
    width: 365px;
}

.nav-group:last-of-type .nav-menu {
    right: 0;
    left: auto;
}

.nav-group:hover .nav-menu,
.nav-group:focus-within .nav-menu,
.nav-group.is-active .nav-menu {
    display: grid;
}

.nav-menu a,
.nav-menu-section {
    display: grid;
    gap: 3px;
    padding: 12px;
    border-radius: 7px;
}

.nav-menu a:hover,
.nav-menu-section:hover {
    background: rgba(27, 40, 56, 0.07);
}

.nav-menu strong,
.nav-menu-section > strong {
    color: var(--navy);
    font-size: 0.95rem;
    line-height: 1.2;
}

.nav-menu span,
.nav-menu-section > span {
    color: var(--gray-600);
    font-size: 0.82rem;
    line-height: 1.35;
}

.nav-sublinks {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 9px;
}

.nav-sublinks a {
    display: inline-flex;
    padding: 6px 9px;
    border: 1px solid var(--gray-200);
    border-radius: 999px;
    background: var(--white);
    color: var(--navy-light);
    font-size: 0.78rem;
    font-weight: 800;
    line-height: 1;
}

/* Ocultar texto en pantallas muy pequeñas */
@media (max-width: 1100px) {
    .nav-link {
        font-size: 0.7rem;
        padding: 5px 8px;
    }
    .nav-link .nav-text {
        display: none;
    }
    .nav-link .nav-icon {
        width: 18px;
        height: 18px;
    }
}

/* Toggle tema */
.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transicion-base);
    color: var(--white);
}

.theme-toggle:hover {
    background-color: var(--gold);
    border-color: var(--gold);
    color: var(--navy);
    transform: scale(1.05);
}

.nav-theme-toggle {
    position: relative;
    z-index: 1;
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    min-height: 42px;
    border-radius: 8px;
    border-color: rgba(246, 196, 83, 0.46);
    background:
        radial-gradient(circle at 30% 30%, rgba(246, 196, 83, .22), transparent 32%),
        rgba(246, 196, 83, .08);
    color: var(--rf-amber, #f6c453);
    overflow: hidden;
    box-shadow: inset 0 0 14px rgba(246, 196, 83, .08), 0 0 16px rgba(246, 196, 83, .08);
}

.nav-theme-toggle::before {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid currentColor;
    border-radius: 50%;
    opacity: .7;
}

.theme-icon {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 1.05rem;
    line-height: 1;
    transition: transform .24s ease, opacity .24s ease;
}

.theme-icon-moon {
    opacity: 0;
    transform: translateY(16px) rotate(-30deg);
}

[data-theme="dark"] .theme-icon-sun {
    opacity: 0;
    transform: translateY(-16px) rotate(30deg);
}

[data-theme="dark"] .theme-icon-moon {
    opacity: 1;
    transform: translateY(0) rotate(0);
}

.nav-theme-toggle:hover {
    border-color: rgba(246, 196, 83, .72);
    background:
        radial-gradient(circle at 50% 50%, rgba(246, 196, 83, .32), transparent 38%),
        rgba(246, 196, 83, .13);
    color: var(--rf-amber, #f6c453);
    transform: translateY(-1px);
    box-shadow: inset 0 0 16px rgba(246, 196, 83, .14), 0 0 24px rgba(246, 196, 83, .2);
}

/* Botón menú móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--white);
    border-radius: 2px;
    transition: var(--transicion-base);
}

/* ===================================
   HERO SECTION (para páginas internas)
   =================================== */

.page-hero {
    margin-top: var(--header-height);
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Hero imagen de fondo */
.page-hero-with-image {
    background: linear-gradient(135deg, rgba(27, 40, 56, 0.92) 0%, rgba(42, 63, 84, 0.88) 100%),
                var(--navy);
    background-size: cover;
    background-position: center;
}

/* ===================================
   MIGAS DE PAN
   =================================== */

.breadcrumbs {
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
    color: var(--color-texto-claro);
}

.breadcrumbs a {
    color: var(--gold);
}

.breadcrumbs a:hover {
    color: var(--gold-dark);
}

.breadcrumbs span {
    margin: 0 var(--spacing-sm);
    color: var(--gray-400);
}

/* ===================================
   SECCIÓN ENCABEZADO
   =================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   CONTENIDO PÁGINA
   =================================== */

.page-content {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--sombra-suave);
    margin-bottom: var(--spacing-xl);
}

.page-content h2 {
    margin-top: var(--spacing-2xl);
}

.page-content h2:first-child {
    margin-top: 0;
}

.page-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.page-content ul,
.page-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.page-content li {
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   BOTONES
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transicion-base);
    text-decoration: none;
    border: 2px solid transparent;
    font-family: var(--font-cuerpo);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--navy);
    box-shadow: 0 4px 15px rgba(212, 168, 83, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 168, 83, 0.4);
    color: var(--navy);
}

.btn-secondary {
    background: var(--white);
    color: var(--navy);
    border-color: var(--gray-200);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--navy);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--navy);
    border-color: var(--navy);
}

.btn-outline:hover {
    background: var(--navy);
    color: var(--white);
}

.btn-dark {
    background: var(--navy);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--navy-light);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* ===================================
   TARJETAS
   =================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--sombra-suave);
    transition: all var(--transicion-base);
    border: 1px solid var(--gray-200);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-hover);
    border-color: var(--gold);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    font-size: 1.75rem;
    color: var(--white);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
}

.card p {
    margin-bottom: var(--spacing-lg);
}

.card .btn {
    margin-top: auto;
}

/* ===================================
   FILAS DE BIBLIOTECA (Home)
   =================================== */

.library-section {
    padding: var(--spacing-3xl) 0;
}

.content-row-wrapper {
    position: relative;
}

.content-row {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: var(--spacing-md) 0;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

.content-row::-webkit-scrollbar {
    height: 6px;
}

.content-row::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

.library-card {
    flex: 0 0 300px;
    min-width: 300px;
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--sombra-tarjeta);
    overflow: hidden;
    transition: all var(--transicion-base);
    cursor: pointer;
    scroll-snap-align: start;
    border: 1px solid var(--gray-200);
    text-decoration: none;
}

.library-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sombra-hover);
    border-color: var(--gold);
}

.library-card-image {
    width: 100%;
    height: 180px;
    position: relative;
    overflow: hidden;
}

.library-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(27, 40, 56, 0.7) 0%, transparent 100%);
}

.library-card-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--gold);
    color: var(--navy);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.library-card-content {
    padding: var(--spacing-lg);
}

.library-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.library-card-description {
    font-size: 0.9rem;
    color: var(--color-texto-claro);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.library-card .btn {
    width: 100%;
}

/* Flechas de navegación */
.row-nav-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transicion-base);
    z-index: 10;
    box-shadow: var(--sombra-tarjeta);
    font-size: 1.2rem;
    color: var(--navy);
}

.row-nav-arrow:hover {
    background: var(--navy);
    border-color: var(--navy);
    color: var(--white);
}

/* ===================================
   CURSOS - ESTILOS ESPECÍFICOS
   =================================== */

.course-hero {
    margin-top: var(--header-height);
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    color: var(--white);
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.course-hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.course-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 750px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

.course-badges {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.course-badge {
    background-color: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.course-badge.accent {
    background: var(--gold);
    color: var(--navy);
}

/* Timeline de progreso */
.course-progress-section {
    background: var(--gray-50);
    padding: var(--spacing-2xl) 0;
}

.course-progress-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.course-progress-header h2 {
    margin-bottom: var(--spacing-sm);
}

.course-timeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.course-timeline::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 60px;
    right: 60px;
    height: 4px;
    background: var(--gray-300);
    z-index: 0;
    border-radius: 2px;
}

.course-timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

.course-timeline-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--white);
    border: 4px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    transition: all var(--transicion-base);
}

.course-timeline-item.active .course-timeline-number {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--navy);
    box-shadow: 0 4px 15px rgba(212, 168, 83, 0.4);
}

.course-timeline-item.completed .course-timeline-number {
    background: var(--navy);
    border-color: var(--navy);
    color: var(--white);
}

.course-timeline-label {
    font-size: 0.85rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 100px;
}

.course-timeline-item.active .course-timeline-label {
    color: var(--navy);
    font-weight: 600;
}

/* Módulos de curso */
.course-modules-section {
    padding: var(--spacing-3xl) 0;
}

.course-modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.course-module-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--sombra-suave);
    border: 1px solid var(--gray-200);
    transition: all var(--transicion-base);
}

.course-module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-hover);
    border-color: var(--gold);
}

.course-module-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.course-module-number {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.course-module-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--navy);
}

.course-module-description {
    color: var(--color-texto-claro);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
}

.course-module-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.course-module-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.course-module-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* Navegación de módulo */
.course-module-nav {
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
}

.course-module-nav h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.course-module-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-module-nav-list li {
    margin-bottom: var(--spacing-xs);
}

.course-module-nav-list a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    color: var(--color-texto);
    transition: all var(--transicion-fast);
}

.course-module-nav-list a:hover,
.course-module-nav-list a.active {
    background: var(--gold);
    color: var(--navy);
}

.course-module-nav-number {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.course-module-nav-list a.active .course-module-nav-number {
    background: rgba(27, 40, 56, 0.2);
}

/* Cuerpo de módulo */
.course-module-body {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--sombra-suave);
}

.course-module-body h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--navy);
}

.course-module-body h2:first-child {
    margin-top: 0;
}

.course-module-body h3 {
    font-size: 1.2rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--navy);
}

.course-module-body p {
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--color-texto);
}

.course-module-body ul,
.course-module-body ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.course-module-body li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.course-module-body strong {
    color: var(--navy);
}

/* Descarga de módulo */
.course-module-download-section {
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.course-module-download-section h4 {
    margin-bottom: var(--spacing-md);
}

.course-module-download-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Paginação de módulo */
.course-module-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    transition: all var(--transicion-fast);
}

.footer-links a:hover {
    color: var(--gold);
    padding-left: var(--spacing-xs);
}

/* Acordeón legal */
.footer-legal-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legal-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.legal-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.legal-header {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-cuerpo);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transicion-fast);
}

.legal-header:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.legal-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--color-texto);
}

.legal-content-inner {
    padding: var(--spacing-lg);
    font-size: 0.85rem;
    line-height: 1.7;
}

.legal-content-inner h4 {
    color: var(--navy);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.legal-content-inner h4:first-child {
    margin-top: 0;
}

.legal-content-inner p {
    margin-bottom: var(--spacing-md);
    font-size: 0.85rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    margin-left: var(--spacing-lg);
}

.footer-bottom a:hover {
    color: var(--gold);
}

/* Contador de visitas */
.visit-counter {
    text-align: center;
    padding: var(--spacing-lg) 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.visit-counter p {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin: 0;
}

/* ===================================
   PÁGINA SOBRE EL AUTOR
   =================================== */

.author-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.author-photo-large {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--white);
}

.author-info h1 {
    margin-bottom: var(--spacing-xs);
}

.author-role {
    color: var(--gold);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.author-bio {
    line-height: 1.8;
    color: var(--color-texto-claro);
    margin-bottom: var(--spacing-xl);
}

.author-experience {
    margin-top: var(--spacing-2xl);
}

.author-experience h3 {
    margin-bottom: var(--spacing-lg);
}

.experience-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
}

.experience-item:last-child {
    border-bottom: none;
}

.experience-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

/* ===================================
   PÁGINA CONTACTO
   =================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-form {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--sombra-suave);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-texto);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-family: var(--font-cuerpo);
    font-size: 1rem;
    transition: border-color var(--transicion-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-info {
    padding: var(--spacing-xl);
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
}

.contact-info p {
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    margin-top: var(--spacing-2xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-method-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

/* ===================================
   MODO OSCURO
   =================================== */

[data-theme="dark"] {
    --color-fondo: #07111f;
    --color-fondo-blanco: #101c2e;
    --color-texto: #eaf6ff;
    --color-texto-claro: #a9b8c8;
    --gray-50: #07111f;
    --gray-100: #101c2e;
    --gray-200: #1b2b42;
    --gray-300: #2a405d;
    --gray-400: #6f839a;
    --rf-bg: #07111f;
    --rf-panel: #101c2e;
    --rf-panel-2: #0c1626;
    --rf-text: #eaf6ff;
    --rf-muted: #a9b8c8;
    --rf-border: rgba(103, 232, 249, .22);
}

[data-theme="light"] {
    --color-fondo: #f7fafc;
    --color-fondo-blanco: #ffffff;
    --color-texto: #172033;
    --color-texto-claro: #4f6075;
    --gray-50: #f7fafc;
    --gray-100: #eef4f8;
    --gray-200: #d9e4ec;
    --gray-300: #c3d2dd;
    --gray-400: #7a8da0;
    --rf-bg: #eef6fb;
    --rf-panel: #ffffff;
    --rf-panel-2: #f2f8fc;
    --rf-text: #172033;
    --rf-muted: #4f6075;
    --rf-border: rgba(31, 95, 139, .24);
}

[data-theme="dark"] .header {
    background: linear-gradient(135deg, #0A0A1A 0%, #1A1A2E 100%);
}

[data-theme="dark"] .card,
[data-theme="dark"] .course-module-card,
[data-theme="dark"] .page-content,
[data-theme="dark"] .course-module-body,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .license-card {
    background: var(--color-fondo-blanco);
    border-color: var(--gray-300);
}

[data-theme="dark"] .footer {
    background: linear-gradient(135deg, #0A0A1A 0%, #16213E 100%);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] body {
    background:
        linear-gradient(180deg, rgba(247, 250, 252, .98), rgba(238, 246, 251, .96));
}

[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6 {
    color: #172033;
}

[data-theme="light"] .card,
[data-theme="light"] .course-module-card,
[data-theme="light"] .page-content,
[data-theme="light"] .course-module-body,
[data-theme="light"] .contact-form,
[data-theme="light"] .license-card {
    background: #ffffff;
    border-color: #d9e4ec;
    box-shadow: 0 12px 30px rgba(23, 32, 51, .08);
}

/* ===================================
   RESPONSIVE
   =================================== */

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

    .footer-brand {
        grid-column: span 2;
    }

    .course-timeline::before {
        display: none;
    }

    .course-timeline {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
        --spacing-3xl: 2.5rem;
        --spacing-4xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .header-inner {
        padding: 0 var(--spacing-md);
    }

    .menu-toggle {
        display: flex;
    }

    .nav-main {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--navy-dark);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transicion-base);
        z-index: 999;
        max-height: calc(100vh - var(--header-height));
        overflow-y: auto;
    }

    .nav-main.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-link {
        padding: var(--spacing-md);
        text-align: center;
        width: 100%;
    }

    .nav-group {
        width: 100%;
        display: grid;
        gap: 8px;
    }

    .nav-parent {
        justify-content: space-between;
        width: 100%;
        padding: var(--spacing-md);
        border: 1px solid rgba(212, 168, 83, 0.25);
        background: rgba(255, 255, 255, 0.06);
    }

    .nav-menu,
    .nav-menu-wide {
        position: static;
        display: grid;
        width: 100%;
        padding: 8px;
        border-color: rgba(212, 168, 83, 0.18);
        box-shadow: none;
        background: rgba(255, 255, 255, 0.96);
    }

    .nav-menu a,
    .nav-menu-section {
        background: var(--white);
    }

    .theme-toggle {
        order: 2;
    }

    .logo {
        order: 1;
        font-size: 1.15rem;
    }

    /* Page content */
    .page-hero {
        padding: var(--spacing-2xl) 0;
    }

    .page-hero h1 {
        font-size: 1.75rem;
    }

    .page-hero p {
        font-size: 1rem;
    }

    .page-content {
        padding: var(--spacing-lg);
    }

    /* Course */
    .course-hero {
        padding: var(--spacing-3xl) 0;
    }

    .course-hero h1 {
        font-size: 1.75rem;
    }

    .course-timeline {
        flex-direction: column;
    }

    .course-modules-grid {
        grid-template-columns: 1fr;
    }

    .course-module-content {
        grid-template-columns: 1fr;
    }

    .course-module-nav {
        position: static;
        margin-bottom: var(--spacing-lg);
    }

    .course-module-pagination {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .course-module-pagination .btn {
        width: 100%;
    }

    /* Author */
    .author-profile {
        grid-template-columns: 1fr;
    }

    .author-photo-large {
        max-width: 250px;
        margin: 0 auto;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-bottom a {
        margin: var(--spacing-xs) var(--spacing-sm);
    }

    /* Library cards */
    .content-row {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .library-card {
        flex: 0 0 85vw;
        min-width: 85vw;
    }

    .row-nav-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    .library-card {
        flex: 0 0 80vw;
        min-width: 80vw;
    }

    .course-badges {
        flex-direction: column;
        align-items: center;
    }
}

/* ===================================
   UTILIDADES
   =================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }

.hide-mobile {
    display: block;
}

.hide-desktop {
    display: none;
}

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }

    .hide-desktop {
        display: block !important;
    }
}

/* ===================================
   ANIMACIONES
   =================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* ===================================
   SCROLLBAR
   =================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ===================================
   ACCESIBILIDAD
   =================================== */

.skip-link {
    position: absolute;
    top: -50px;
    left: 0;
    background: var(--gold);
    color: var(--navy);
    padding: var(--spacing-md) var(--spacing-xl);
    z-index: 10000;
    transition: top 0.3s;
    font-weight: 600;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    top: 0;
}

.nav-link:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 2px;
}

/* ===================================
   CARD PLACEHOLDER (imágenes)
   =================================== */

.card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
}

/* ===================================
   STUDYOS RETRO-FUTURE SHARED THEME
   =================================== */

:root {
    --rf-bg: #07111f;
    --rf-surface: #101c2e;
    --rf-surface-2: #172840;
    --rf-border: rgba(112, 144, 178, 0.34);
    --rf-text: #edf6ff;
    --rf-muted: #96a8bd;
    --rf-cyan: #67e8f9;
    --rf-blue: #5b8cff;
    --rf-violet: #a78bfa;
    --rf-amber: #f6c453;
    --rf-green: #64d59b;
    --navy: #0b1423;
    --navy-dark: #07111f;
    --navy-light: #172840;
    --gold: var(--rf-cyan);
    --gold-light: #9af3ff;
    --gold-dark: #3ab9cf;
    --gray-50: #07111f;
    --gray-100: #0b1423;
    --gray-200: #20324a;
    --gray-300: #31465f;
    --gray-400: #6f8197;
    --gray-600: #96a8bd;
    --gray-800: #dbeafe;
    --gray-900: #edf6ff;
    --color-fondo: var(--rf-bg);
    --color-fondo-blanco: var(--rf-surface);
    --color-texto: var(--rf-text);
    --color-texto-claro: var(--rf-muted);
    --color-borde: var(--rf-border);
}

body {
    background:
        radial-gradient(circle at 16% 8%, rgba(91, 140, 255, 0.14), transparent 30%),
        radial-gradient(circle at 88% 0%, rgba(167, 139, 250, 0.12), transparent 26%),
        linear-gradient(180deg, #07111f 0%, #0b1423 52%, #07111f 100%);
    color: var(--rf-text);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(103, 232, 249, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103, 232, 249, 0.05) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.14));
}

h1, h2, h3, h4, h5, h6 {
    color: var(--rf-text);
    letter-spacing: -0.025em;
}

p {
    color: var(--rf-muted);
}

a {
    color: var(--rf-cyan);
}

.header {
    background: rgba(7, 17, 31, 0.9);
    border-bottom: 1px solid var(--rf-border);
    box-shadow: 0 10px 34px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(16px);
}

.logo span,
.nav-parent span {
    color: var(--rf-cyan);
}

.nav-link,
.nav-parent {
    border: 1px solid transparent;
    color: var(--rf-muted);
}

.nav-link:hover,
.nav-parent:hover,
.nav-group.is-active .nav-parent,
.nav-group:focus-within .nav-parent {
    border-color: rgba(103, 232, 249, 0.28);
    background: rgba(103, 232, 249, 0.08);
    color: var(--rf-text);
}

.nav-menu {
    border-color: var(--rf-border);
    background: rgba(11, 20, 35, 0.97);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42), 0 0 24px rgba(103, 232, 249, 0.14);
}

.nav-menu a:hover,
.nav-menu-section:hover {
    background: rgba(103, 232, 249, 0.08);
}

.nav-menu strong,
.nav-menu-section > strong {
    color: var(--rf-text);
}

.nav-menu span,
.nav-menu-section > span {
    color: var(--rf-muted);
}

.nav-sublinks a {
    border-color: rgba(103, 232, 249, 0.24);
    background: rgba(103, 232, 249, 0.08);
    color: var(--rf-cyan);
}

.course-hero,
.page-header,
.page-hero,
.hero-section,
.normativa-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(91, 140, 255, 0.28), rgba(103, 232, 249, 0.08)),
        linear-gradient(180deg, #0b1423, #07111f) !important;
    border-bottom: 1px solid var(--rf-border);
}

.course-hero::after,
.page-header::after,
.page-hero::after,
.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(255,255,255,0.055) 0 1px, transparent 1px 5px);
    opacity: 0.24;
}

.course-hero .container,
.page-header .container,
.page-hero .container,
.hero-section .container {
    position: relative;
    z-index: 1;
}

.course-hero h1,
.page-header h1,
.page-hero h1,
.hero-section h1 {
    color: var(--rf-text) !important;
    text-shadow: 0 0 30px rgba(103, 232, 249, 0.16);
}

.course-hero p,
.page-header p,
.page-hero p,
.hero-section p {
    color: #c8d7e7 !important;
}

.course-badge,
.badge,
.tag,
.filter-btn,
.stat-item {
    border: 1px solid rgba(103, 232, 249, 0.24);
    background: rgba(103, 232, 249, 0.1);
    color: var(--rf-text);
}

.course-badge.accent,
.btn-primary,
.button-primary {
    background: linear-gradient(135deg, var(--rf-cyan), var(--rf-blue)) !important;
    border-color: transparent !important;
    color: #06101d !important;
    box-shadow: 0 0 24px rgba(103, 232, 249, 0.18);
}

.btn-secondary,
.button-secondary {
    background: rgba(16, 28, 46, 0.82) !important;
    border-color: var(--rf-border) !important;
    color: var(--rf-text) !important;
}

.card,
.course-module-card,
.course-card,
.page-content,
.author-profile,
.contact-card,
.search-section,
.norma-card,
.legal-item,
.footer,
.course-progress-section,
.course-modules-section {
    background: rgba(16, 28, 46, 0.86) !important;
    border: 1px solid var(--rf-border) !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24) !important;
}

.card:hover,
.course-module-card:hover,
.course-card:hover,
.norma-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32), 0 0 24px rgba(103, 232, 249, 0.12) !important;
}

.course-timeline-item::before,
.course-timeline-number {
    border-color: var(--rf-border) !important;
}

.course-timeline-item.active .course-timeline-number,
.course-timeline-number.active {
    background: var(--rf-cyan) !important;
    color: #06101d !important;
}

.footer {
    background: #07111f !important;
    border-top: 1px solid var(--rf-border);
}

.footer h3,
.footer h4,
.footer a {
    color: var(--rf-text);
}

.footer p,
.footer li,
.footer-bottom {
    color: var(--rf-muted);
}

.legal-header,
.legal-content {
    background: rgba(11, 20, 35, 0.9) !important;
    color: var(--rf-text) !important;
}

.legal-content p {
    color: var(--rf-muted) !important;
}

input,
textarea,
select {
    background: rgba(7, 17, 31, 0.9) !important;
    border-color: var(--rf-border) !important;
    color: var(--rf-text) !important;
}

@media (max-width: 768px) {
    .nav-main {
        background: rgba(7, 17, 31, 0.98);
        border-bottom: 1px solid var(--rf-border);
    }

    .nav-parent,
    .nav-link {
        background: rgba(16, 28, 46, 0.88);
        border-color: var(--rf-border);
    }

    .nav-menu,
    .nav-menu-wide {
        background: rgba(7, 17, 31, 0.72);
    }
}

/* Fondos Europeos: limpieza de estilos heredados */
.funds-page main {
    padding-top: 0;
}

.funds-page section.container {
    margin-bottom: var(--spacing-2xl);
}

.funds-page section.container > div[style*="max-width"] {
    max-width: 980px !important;
}

.funds-page p[style],
.funds-page li,
.funds-page .course-extra-card p {
    color: var(--rf-muted) !important;
}

.funds-page h4[style],
.funds-page .course-extra-card h3 {
    color: var(--rf-cyan) !important;
}

.funds-page div[style*="background: white"],
.funds-page div[style*="background: #f8fafc"],
.funds-page .course-extra-card,
.funds-page section.container > div[style*="max-width"] > div[style*="border-radius"] {
    background:
        linear-gradient(180deg, rgba(16, 28, 46, 0.92), rgba(12, 22, 38, 0.92)) !important;
    border: 1px solid var(--rf-border) !important;
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.28) !important;
}

.funds-page span[style*="background: #1e40af"] {
    background: linear-gradient(135deg, var(--rf-cyan), var(--rf-blue)) !important;
    color: #06101d !important;
    border-radius: 8px !important;
    box-shadow: 0 0 20px rgba(103, 232, 249, 0.18);
}

.funds-page .section-header {
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
}

.funds-page .section-header p {
    color: var(--rf-muted);
}

.funds-page img[src*="infografia_ciclo_fondos_europeos"] {
    display: block;
    width: min(100%, 980px);
    max-height: 520px;
    object-fit: contain;
    margin: 0 auto;
    padding: 14px;
    border: 1px solid var(--rf-border);
    border-radius: 10px;
    background: rgba(16, 28, 46, 0.86);
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.28) !important;
}

.funds-page audio {
    display: block;
    width: 100%;
    filter: invert(1) hue-rotate(165deg) saturate(.75);
}

.funds-page .course-modules-section {
    padding: var(--spacing-3xl) 0;
    margin: 0;
}

.funds-page .course-modules-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.funds-page .course-module-card {
    min-height: 100%;
}

.funds-page .course-module-number {
    background: rgba(103, 232, 249, 0.12);
    border: 1px solid rgba(103, 232, 249, 0.35);
    color: var(--rf-cyan);
}

.funds-circuit {
    position: relative;
    min-height: 138px;
    margin: 0 0 1.5rem;
    overflow: hidden;
    border: 1px solid var(--rf-border);
    border-radius: 10px;
    background:
        linear-gradient(rgba(103, 232, 249, .075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103, 232, 249, .075) 1px, transparent 1px),
        radial-gradient(circle at 20% 50%, rgba(103, 232, 249, .16), transparent 26%),
        rgba(7, 17, 31, .72);
    background-size: 28px 28px, 28px 28px, auto, auto;
}

.funds-circuit::before,
.funds-circuit::after,
.funds-circuit span {
    content: "";
    position: absolute;
}

.funds-circuit::before {
    left: 26px;
    right: 26px;
    top: 50%;
    height: 2px;
    background: linear-gradient(90deg, rgba(103, 232, 249, .78), rgba(91, 140, 255, .18));
}

.funds-circuit::after {
    right: 34px;
    top: 34px;
    width: 112px;
    height: 62px;
    border: 1px solid rgba(246, 196, 83, .45);
    border-radius: 8px;
    background: rgba(246, 196, 83, .1);
}

.funds-circuit span:nth-child(1),
.funds-circuit span:nth-child(2),
.funds-circuit span:nth-child(3) {
    top: 50%;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: var(--rf-cyan);
    box-shadow: 0 0 20px rgba(103, 232, 249, .32);
}

.funds-circuit span:nth-child(1) { left: 12%; }
.funds-circuit span:nth-child(2) { left: 42%; background: var(--rf-blue); }
.funds-circuit span:nth-child(3) { left: 72%; background: var(--rf-amber); }

.funds-circuit-alt {
    background:
        linear-gradient(rgba(91, 140, 255, .075) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 140, 255, .075) 1px, transparent 1px),
        radial-gradient(circle at 76% 40%, rgba(91, 140, 255, .18), transparent 28%),
        rgba(7, 17, 31, .72);
    background-size: 28px 28px, 28px 28px, auto, auto;
}

.funds-circuit-money span:nth-child(2)::before {
    content: "€";
    position: absolute;
    inset: -14px;
    display: grid;
    place-items: center;
    color: var(--rf-cyan);
    font-weight: 900;
    font-size: 1.7rem;
}

.funds-circuit-audit::after {
    border-color: rgba(100, 213, 155, .45);
    background: rgba(100, 213, 155, .1);
}

@media (max-width: 1100px) {
    .funds-page .course-modules-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .funds-page .course-modules-grid {
        grid-template-columns: 1fr;
    }

    .funds-page img[src*="infografia_ciclo_fondos_europeos"] {
        max-height: 360px;
    }
}

/* StudyOS-style global navigation */
.header {
    background: rgba(7, 17, 31, 0.92);
    border-bottom: 1px solid rgba(103, 232, 249, 0.18);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.32);
}

.header-inner {
    gap: 1rem;
}

.nav-main {
    position: relative;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border: 1px solid rgba(112, 144, 178, 0.28);
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(12, 22, 38, 0.94), rgba(8, 16, 30, 0.94));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 0 26px rgba(103, 232, 249, 0.08);
    overflow: visible;
    isolation: isolate;
}

.nav-main::before,
.nav-main::after {
    content: "";
    position: absolute;
    pointer-events: none;
    border-radius: inherit;
}

.nav-main::before {
    inset: 0;
    padding: 1px;
    background: linear-gradient(90deg, transparent, rgba(103, 232, 249, .72), rgba(246, 196, 83, .5), transparent);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    opacity: .42;
    animation: nav-border-scan 5.4s linear infinite;
}

.nav-main::after {
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(103, 232, 249, .75), transparent);
    opacity: .55;
    transform-origin: center;
    animation: nav-data-line 3.8s ease-in-out infinite;
}

@keyframes nav-border-scan {
    0% { filter: hue-rotate(0deg); opacity: .28; }
    50% { filter: hue-rotate(36deg); opacity: .62; }
    100% { filter: hue-rotate(0deg); opacity: .28; }
}

@keyframes nav-data-line {
    0%, 100% { transform: scaleX(.18); opacity: .18; }
    50% { transform: scaleX(1); opacity: .72; }
}

.nav-link,
.nav-parent {
    position: relative;
    z-index: 1;
    min-height: 42px;
    gap: 8px;
    padding: 6px 12px 6px 8px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: #c4d2e1;
    font-size: 0.9rem;
    font-weight: 800;
    overflow: hidden;
    transform: translateZ(0);
    transition: transform .22s ease, color .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

.nav-link::after,
.nav-parent::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, transparent 0%, rgba(255,255,255,.13) 42%, transparent 62%),
        radial-gradient(circle at var(--nav-x, 50%) var(--nav-y, 50%), rgba(103, 232, 249, .24), transparent 36%);
    opacity: 0;
    transform: translateX(-45%);
    transition: opacity .22s ease, transform .38s ease;
    pointer-events: none;
}

.nav-link::before,
.nav-parent::before {
    content: "";
    display: grid;
    place-items: center;
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    border: 1px solid rgba(103, 232, 249, 0.36);
    border-radius: 7px;
    background: rgba(103, 232, 249, 0.08);
    color: var(--rf-cyan);
    font-size: 0.62rem;
    font-weight: 900;
    line-height: 1;
    box-shadow: inset 0 0 12px rgba(103, 232, 249, 0.08), 0 0 16px rgba(103, 232, 249, 0.08);
    transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.nav-home::before { content: "IN"; border-color: rgba(167, 139, 250, 0.58); color: var(--rf-violet); }
.nav-oposiciones::before { content: "OP"; border-color: rgba(103, 232, 249, 0.5); color: var(--rf-cyan); }
.nav-courses::before { content: "CU"; border-color: rgba(246, 196, 83, 0.58); color: var(--rf-amber); }
.nav-author::before { content: "AU"; border-color: rgba(100, 213, 155, 0.58); color: var(--rf-green); }

.nav-parent > span {
    width: 10px;
    overflow: hidden;
    color: transparent !important;
}

.nav-parent > span::after {
    content: "v";
    color: #8fa2b8;
    font-size: 0.75rem;
}

.nav-link:hover,
.nav-parent:hover,
.nav-link.active,
.nav-group.is-active .nav-parent,
.nav-group.is-current-section .nav-parent,
.nav-group:focus-within .nav-parent {
    color: var(--rf-text);
    border-color: rgba(103, 232, 249, 0.34);
    background: rgba(103, 232, 249, 0.08);
    box-shadow: 0 0 18px rgba(103, 232, 249, 0.08);
    transform: translateY(-1px);
}

.nav-link:hover::before,
.nav-parent:hover::before,
.nav-link.active::before,
.nav-group.is-active .nav-parent::before,
.nav-group.is-current-section .nav-parent::before {
    transform: translateY(-1px) scale(1.06);
    box-shadow: inset 0 0 14px rgba(103, 232, 249, 0.14), 0 0 24px rgba(103, 232, 249, 0.22);
}

.nav-link:hover::after,
.nav-parent:hover::after,
.nav-link.active::after,
.nav-group.is-active .nav-parent::after,
.nav-group.is-current-section .nav-parent::after {
    opacity: 1;
    transform: translateX(18%);
}

.nav-link.active,
.nav-group.is-current-section .nav-parent,
.nav-group.is-active .nav-parent {
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.18), rgba(91, 140, 255, 0.2));
}

.nav-link.active::after {
    display: block;
}

.nav-menu,
.nav-menu-wide {
    top: calc(100% + 10px);
    border-radius: 10px;
    overflow: hidden;
    border-color: rgba(103, 232, 249, .26);
    box-shadow: 0 22px 50px rgba(0, 0, 0, .42), 0 0 36px rgba(103, 232, 249, .1);
    transform-origin: top center;
    transform: translateY(8px) scale(.98);
    transition: opacity .18s ease, visibility .18s ease, transform .22s ease;
}

.nav-menu::before,
.nav-menu-wide::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 2px;
    background: linear-gradient(90deg, var(--rf-cyan), var(--rf-amber), transparent);
    opacity: .85;
}

.nav-group:hover .nav-menu,
.nav-group:focus-within .nav-menu,
.nav-group.is-active .nav-menu {
    transform: translateY(0) scale(1);
}

.nav-menu a,
.nav-menu-section {
    position: relative;
    border-left: 2px solid transparent;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.nav-menu a:hover,
.nav-menu-section:hover {
    transform: translateX(3px);
    border-left-color: var(--rf-cyan);
}

@media (prefers-reduced-motion: reduce) {
    .nav-main::before,
    .nav-main::after {
        animation: none;
    }

    .nav-link,
    .nav-parent,
    .nav-link::after,
    .nav-parent::after,
    .nav-menu,
    .nav-menu-wide,
    .nav-menu a,
    .nav-menu-section {
        transition: none;
    }
}

@media (max-width: 768px) {
    .nav-main {
        position: fixed !important;
        top: var(--header-height, 60px) !important;
        left: 0 !important;
        right: 0 !important;
        width: 100vw !important;
        max-width: 100vw !important;
        max-height: calc(100vh - var(--header-height, 60px)) !important;
        overflow-y: auto !important;
        transform: translateY(-110%) !important;
        align-items: stretch !important;
        border-radius: 0 !important;
        padding: 12px !important;
    }

    .nav-main.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-main .nav-theme-toggle {
        order: -1;
        width: 100% !important;
        flex: 0 0 44px !important;
        min-height: 44px !important;
        justify-content: center !important;
        align-self: stretch !important;
    }
}

/* Fondos Europeos: remate de tarjetas ya migradas a clases */
.funds-page .funds-intro {
    padding: var(--spacing-3xl) 0 var(--spacing-xl) !important;
}

.funds-page .funds-intro > div {
    max-width: 920px !important;
    padding: clamp(1.25rem, 3vw, 2.25rem);
    text-align: left !important;
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.1), rgba(91, 140, 255, 0.06)), rgba(16, 28, 46, 0.76);
    border: 1px solid var(--rf-border);
    border-radius: 10px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.funds-page .funds-infographic,
.funds-page .funds-audio,
.funds-page .funds-content {
    padding: var(--spacing-3xl) 0 !important;
}

.funds-page .funds-module-shell {
    max-width: 1060px;
    margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
}

.funds-page .funds-detail-card,
.funds-page .funds-key-points,
.funds-page .funds-audio-card {
    background: linear-gradient(180deg, rgba(16, 28, 46, 0.92), rgba(12, 22, 38, 0.92)) !important;
    border: 1px solid var(--rf-border) !important;
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.28) !important;
}

.funds-page .funds-detail-card {
    position: relative;
    overflow: hidden;
    padding: clamp(1.25rem, 3vw, 2.25rem) !important;
    border-radius: 12px !important;
}

.funds-page .funds-detail-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--rf-cyan), var(--rf-blue), transparent);
}

.funds-page .funds-detail-header {
    display: grid !important;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.35rem !important;
}

.funds-page .funds-detail-number {
    display: grid !important;
    place-items: center;
    width: 58px !important;
    height: 46px !important;
    border-radius: 8px !important;
    background: linear-gradient(135deg, var(--rf-cyan), var(--rf-blue)) !important;
    color: #06101d !important;
    font-size: 0.95rem !important;
    font-weight: 900 !important;
}

.funds-page .funds-key-points,
.funds-page .funds-audio-card {
    padding: clamp(1.15rem, 3vw, 2rem) !important;
    border-radius: 10px !important;
}

.funds-page .funds-audio-card {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.funds-circuit-money span:nth-child(2)::before {
    content: "EUR";
    position: absolute;
    inset: -14px;
    display: grid;
    place-items: center;
    color: var(--rf-cyan);
    font-weight: 900;
    font-size: 0.7rem;
}

@media (max-width: 768px) {
    .nav-main {
        align-items: stretch;
        border-radius: 0;
        padding: 12px;
        top: var(--header-height) !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        max-width: none !important;
        transform: translateY(-110%) !important;
    }

    .nav-main.active {
        transform: translateY(0) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-link,
    .nav-parent,
    .nav-theme-toggle {
        justify-content: flex-start;
        width: 100%;
    }

    .nav-theme-toggle {
        flex-basis: auto;
        min-height: 44px;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .funds-page .funds-detail-header {
        grid-template-columns: 1fr;
        gap: .75rem;
    }

    .funds-page .funds-detail-number {
        width: fit-content !important;
        min-width: 58px;
        padding: 0 .75rem;
    }

    .funds-circuit {
        min-height: 104px;
    }
}

/* Legacy course polish: IA page */
.ia-page {
    background:
        linear-gradient(180deg, rgba(6, 12, 23, 0.92), rgba(10, 19, 33, 0.96)),
        radial-gradient(circle at 12% 0%, rgba(103, 232, 249, 0.15), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(246, 196, 83, 0.12), transparent 26%) !important;
    color: var(--rf-text);
}

.ia-page > section:first-of-type {
    position: relative;
    overflow: hidden;
    padding: clamp(4rem, 8vw, 6.5rem) 0 !important;
    background:
        linear-gradient(135deg, rgba(6, 12, 23, 0.9), rgba(16, 28, 46, 0.82)),
        url("../imagenes/ia_5_tr_soc.webp") center/cover no-repeat !important;
    border-bottom: 1px solid rgba(103, 232, 249, 0.2);
}

.ia-page > section:first-of-type::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(103, 232, 249, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103, 232, 249, 0.08) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent);
    pointer-events: none;
}

.ia-page > section:first-of-type .container {
    position: relative;
    z-index: 1;
}

.ia-page h1,
.ia-page .section-header h2 {
    font-family: var(--font-display);
    letter-spacing: 0;
}

.ia-page > section:first-of-type h1 {
    max-width: 920px;
    margin-inline: auto;
    font-size: clamp(2.25rem, 6vw, 5rem) !important;
    line-height: .94;
    text-transform: none;
}

.ia-page > section:first-of-type p {
    color: #d9e8f5 !important;
}

.ia-page .container > div[style*="text-align: center"] img[src*="ia_5_tr_soc"] {
    max-width: min(860px, 100%) !important;
    border: 1px solid var(--rf-border);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36), 0 0 48px rgba(103, 232, 249, 0.12) !important;
}

.ia-page .card {
    background: linear-gradient(180deg, rgba(16, 28, 46, 0.92), rgba(12, 22, 38, 0.94)) !important;
    border: 1px solid var(--rf-border) !important;
    border-radius: 10px !important;
    color: var(--rf-text);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28) !important;
}

.ia-page .card p,
.ia-page section p,
.ia-page li {
    color: #b9c7d7 !important;
}

.ia-page iframe,
.ia-page audio {
    border-radius: 10px;
    border: 1px solid var(--rf-border);
    background: rgba(7, 17, 31, 0.8);
}

.ia-page .section-header {
    color: var(--rf-text);
}

.ia-page .section-header p {
    color: var(--rf-muted) !important;
}

/* Final polish: keep the shared theme contained and less visually noisy */
html,
body {
    max-width: 100%;
    overflow-x: clip;
}

.header,
.site-header {
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.24);
}

.nav-main,
.site-nav {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 10px 26px rgba(0, 0, 0, 0.18);
}

.nav-main::before,
.nav-main::after,
.site-nav::before,
.site-nav::after {
    opacity: 0.24;
}

.nav-link::before,
.nav-parent::before {
    box-shadow: none;
}

.nav-link:hover,
.nav-parent:hover,
.nav-link.active,
.nav-group.is-active .nav-parent,
.nav-group.is-current-section .nav-parent,
.nav-group:focus-within .nav-parent {
    box-shadow: 0 0 14px rgba(103, 232, 249, 0.06);
}

@media (max-width: 820px) {
    .header,
    .site-header {
        width: 100%;
        overflow: hidden;
    }

    .nav-main,
    .site-nav {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
        box-sizing: border-box;
    }

    .nav-main::before,
    .nav-main::after,
    .site-nav::before,
    .site-nav::after {
        left: 12px;
        right: 12px;
        width: auto;
    }

    .nav-menu,
    .nav-menu-wide {
        width: 100% !important;
        max-width: 100% !important;
    }
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--rf-amber, #f6c453);
    outline-offset: 3px;
}