/* ----------------------------------------------------
   DESIGN SYSTEM & VARIABLES CSS
   Se establecen las variables globales para la revista
   ---------------------------------------------------- */
:root {
    /* Paleta de Colores de Estilo Tecnológico Oscuro */
    --bg-dark-primary: #0a0e17;
    --bg-dark-secondary: #111726;
    --bg-header: rgba(10, 14, 23, 0.75);
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-glass: rgba(255, 255, 255, 0.07);
    --border-glass-hover: rgba(255, 255, 255, 0.15);

    /* Colores del Tema e Iluminaciones */
    --color-primary: #3b82f6;
    /* Azul Dokploy */
    --color-primary-hover: #60a5fa;
    --color-primary-glow: rgba(59, 130, 246, 0.25);
    --color-secondary: #10b981;
    /* Verde Esmeralda */
    --color-secondary-glow: rgba(16, 185, 129, 0.2);
    --color-accent: #06b6d4;
    /* Turquesa */
    --color-accent-glow: rgba(6, 182, 212, 0.25);

    /* Tipografías Modernas */
    --font-titles: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Textos */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    /* Sombras y Filtros */
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px var(--color-primary-glow);
    --blur-normal: blur(12px);

    /* Configuración de Transiciones */
    --transition-speed: 0.4s;
    --transition-curve: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----------------------------------------------------
   ESTILOS GENERALES Y MAQUETACIÓN BASE
   ---------------------------------------------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.6;
    /* Se dibuja un fondo de rejilla tecnológica mediante gradientes */
    background-image:
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 40%),
        linear-gradient(rgba(255, 255, 255, 0.007) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.007) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    background-attachment: fixed;
}

/* Personalización de la barra de desplazamiento */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-dark-secondary);
    border-radius: 4px;
    border: 2px solid var(--bg-dark-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Enlaces por defecto */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ----------------------------------------------------
   ENCABEZADO (MAIN HEADER)
   ---------------------------------------------------- */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: var(--bg-header);
    backdrop-filter: var(--blur-normal);
    -webkit-backdrop-filter: var(--blur-normal);
    border-bottom: 1px solid var(--border-glass);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    font-family: var(--font-titles);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-main);
    text-shadow: 0 0 10px var(--color-primary-glow);
}

.logo-accent {
    color: var(--color-primary);
}

/* Controles de Navegación */
.pagination-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-btn {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    padding: 8px 16px;
    border-radius: 20px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--transition-curve);
}

.nav-btn:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary-hover);
    box-shadow: 0 0 15px var(--color-primary-glow);
    transform: translateY(-2px);
}

.nav-btn:active {
    transform: translateY(0);
}

.page-indicator {
    font-family: var(--font-titles);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--text-muted);
}

#current-page-num {
    color: var(--color-secondary);
    font-weight: 700;
}

.theme-toggle-area {
    display: flex;
    align-items: center;
}

.issue-tag {
    background: linear-gradient(135deg, var(--color-primary-glow), var(--color-secondary-glow));
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

/* Barra de Progreso Superior */
.progress-bar-container {
    width: 100%;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.05);
}

.progress-bar {
    width: 10%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    box-shadow: 0 0 8px var(--color-primary);
    transition: width 0.4s var(--transition-curve);
}

/* ----------------------------------------------------
   CONTENEDOR DE LA REVISTA (VIEWPORT)
   ---------------------------------------------------- */
.magazine-viewport {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    justify-items: center;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    margin: 80px auto 60px auto;
    padding: 20px;
    position: relative;
    perspective: 2200px; /* Habilita espacio 3D */
    transform-style: preserve-3d;
}

/* Estilo Base de las Páginas */
.magazine-page {
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    position: relative;
    backdrop-filter: var(--blur-normal);
    -webkit-backdrop-filter: var(--blur-normal);
    
    /* Configuración del lomo izquierdo */
    transform-origin: left center;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    
    /* Transición suave para simular papel doblando */
    transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), 
                opacity 0.7s ease, 
                z-index 0s 0.9s;
                
    pointer-events: none;
    opacity: 0;
    z-index: 1;
    transform: rotateY(0deg);
}

/* Efecto de pliegue y sombreado diagonal de papel (luz y sombra sweep) */
.magazine-page::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0) 0%, 
        rgba(255, 255, 255, 0) 45%, 
        rgba(0, 0, 0, 0.3) 50%, 
        rgba(255, 255, 255, 0.25) 53%, 
        rgba(255, 255, 255, 0.1) 56%, 
        rgba(0, 0, 0, 0.1) 62%, 
        rgba(255, 255, 255, 0) 72%
    );
    background-size: 200% 200%;
    background-position: 150% 150%;
    pointer-events: none;
    z-index: 10;
    opacity: 0;
    transition: background-position 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), 
                opacity 0.9s ease;
}

/* Página activa (actual) */
.magazine-page.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 3;
    transform: rotateY(0deg);
    /* Sube el z-index instantáneamente al activarse */
    transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), 
                opacity 0.7s ease, 
                z-index 0s 0s;
}

.magazine-page.active::after {
    background-position: -50% -50%;
    opacity: 0.45;
}

/* Páginas ya leídas (volteadas hacia la izquierda) */
.magazine-page.flipped {
    opacity: 1; /* Mantenemos opaco durante la transición para que parezca papel sólido */
    pointer-events: none;
    z-index: 2; /* Mayor que upcoming para que el giro se dibuje sobre la siguiente hoja */
    transform: rotateY(-180deg) rotateZ(3deg) skewY(1deg); /* Levanta la punta inferior derecha primero */
    /* Baja el z-index y oculta la opacidad después de la animación de volteo */
    transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), 
                opacity 0.1s 0.8s, 
                z-index 0s 0.9s;
}

.magazine-page.flipped::after {
    background-position: -50% -50%;
    opacity: 0;
}

/* Páginas siguientes (esperando abajo del todo) */
.magazine-page.upcoming {
    opacity: 0;
    pointer-events: none;
    z-index: 1;
    transform: rotateY(0deg);
}

/* ----------------------------------------------------
   ESTILOS COMUNES DE CONTENIDO INTERNO
   ---------------------------------------------------- */
.page-layout {
    padding: 50px 60px;
    min-height: 580px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Agrupación de Título y Subtítulo de Sección (hgroup) */
.section-hgroup {
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-glass);
    padding-bottom: 15px;
}

.section-title {
    font-family: var(--font-titles);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--text-main), var(--text-muted));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--color-primary);
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-top: 5px;
    text-transform: uppercase;
}

/* ----------------------------------------------------
    DISEÑOS PARTICULARES DE LAS PÁGINAS
   ---------------------------------------------------- */

/* PÁGINA 1: PORTADA REDISEÑADA */
.page-cover-vertical-container {
    background: radial-gradient(circle at 50% 30%, #1a365d 0%, #0f172a 100%);
    min-height: 620px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px 30px 0 30px;
    position: relative;
    overflow: hidden;
    color: #ffffff;
    box-sizing: border-box;
    border-radius: 15px;
}

/* Encabezado Universitario */
.cover-university-header {
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 2px solid rgba(223, 216, 35, 0.2);
    padding-bottom: 20px;
    margin-bottom: 25px;
    width: 100%;
}

.cover-uba-logo-container {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #dfd823;
    /* Borde dorado de marca */
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cover-uba-logo {
    width: 95%;
    height: 95%;
    object-fit: contain;
    border-radius: 50%;
}

.cover-university-text-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.university-name-cover {
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 2.1rem;
    /* Más grande y llamativo */
    line-height: 1.2;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    margin: 0;
}

.university-sub-cover {
    font-size: 0.8rem;
    font-weight: 600;
    color: #dfd823;
    /* Tonalidad dorada */
    letter-spacing: 2px;
    margin-top: 4px;
}

/* Cuerpo de la Portada */
.cover-body-main {
    display: flex;
    flex: 1;
    gap: 40px;
    align-items: center;
    margin-bottom: 25px;
}

.cover-left-column {
    width: 45%;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    height: 100%;
    gap: 30px;
}

/* Título de la Revista Destacado */
.cover-magazine-branding {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.cover-logo-enfoques {
    font-family: 'Outfit', 'Special Elite', sans-serif;
    font-size: 4.5rem;
    /* Muy grande y potente */
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 5px;
    line-height: 1.1;
    text-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    margin: 0 0 10px 0;
    position: relative;
}

.cover-tag-informativa {
    background-color: #dfd823;
    color: #000000;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    padding: 6px 16px;
    letter-spacing: 3px;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    display: inline-block;
}

/* Tarjeta Glassmorphic */
.edition-glass-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 280px;
}

.edition-card-header {
    font-size: 0.8rem;
    font-weight: 700;
    color: #dfd823;
    letter-spacing: 1.5px;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.edition-info-line {
    font-size: 1.1rem;
    color: #f8fafc;
    margin: 4px 0;
}

.editorial-badge-new {
    margin-top: 15px;
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #e2e8f0;
}

/* Columna Derecha: Foto Agrandada en Aspecto 3:2 */
.cover-right-column {
    width: 55%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.campus-photo-frame {
    background-color: #ffffff;
    padding: 12px 12px 20px 12px;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    transform: rotate(2deg);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 410px;
    /* Redimensionado para evitar cortes */
}

.campus-photo-frame:hover {
    transform: rotate(0deg) scale(1.03);
}

.campus-image-wrapper {
    width: 100%;
    aspect-ratio: 3 / 2;
    /* Fija la relación exacta de la imagen */
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    background-color: #f1f5f9;
}

.campus-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.campus-caption {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: #1e293b;
}

.caption-quote {
    font-family: 'Special Elite', 'Courier New', monospace;
    font-size: 0.95rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.caption-sub {
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 2px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Franja inferior de publicidad */
.cover-advertising-banner {
    display: flex;
    height: 105px;
    border-top: 4px solid #dfd823;
    margin: 0 -25px;
    width: calc(100% + 50px);
    background-color: #ffffff;
    align-items: stretch;
}

.ad-panel {
    flex: 1;
    border-right: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    background-color: #ffffff;
}

.ad-panel:last-child {
    border-right: none;
}

.ad-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ad-coca-panel {
    background-color: #df0000;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.ad-coca-text {
    font-family: 'Inter', sans-serif;
    font-size: 0.52rem;
    font-weight: bold;
    text-align: center;
    line-height: 1.1;
    margin-bottom: 3px;
    color: #ffffff;
    text-transform: uppercase;
}

.ad-img-cap {
    height: 52px;
    width: auto;
    object-fit: contain;
}

/* PÁGINA 2: CONTRAPORTADA (REDISEÑO MANTENIENDO TAMAÑO DE HOJA) */
#page-2.magazine-page {
    background: linear-gradient(135deg, #0f766e 0%, #115e59 60%, #042f2e 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.backcover-layout-new {
    justify-content: space-between;
    height: 100%;
}

/* Encabezado */
.backcover-header-new {
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.backcover-research-title-new {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: #dfd823; /* Detalle amarillo vibrante */
    margin: 0;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.backcover-research-subtitle-new {
    font-size: 0.85rem;
    font-weight: 500;
    color: #e2e8f0;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Cuerpo de la Contraportada */
.backcover-body-new {
    display: flex;
    align-items: center;
    gap: 40px;
    flex: 1;
    margin-bottom: 20px;
}

/* Columna de Texto - Originales y Justificados */
.backcover-text-column-new {
    width: 55%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.backcover-quote-original {
    font-size: 1.05rem;
    font-style: italic;
    color: #f1f5f9;
    border-left: 3px solid #dfd823;
    padding-left: 20px;
    line-height: 1.5;
    text-align: justify; /* Justificado en CSS */
    margin: 0;
}

.backcover-summary-original {
    font-size: 0.9rem;
    color: #cbd5e1;
    line-height: 1.6;
    text-align: justify; /* Justificado en CSS */
    margin: 0;
}

/* Columna de Imagen - Marco Grande */
.backcover-image-column-new {
    width: 45%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.backcover-image-frame-new {
    background-color: #ffffff;
    padding: 8px 8px 20px 8px;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 320px;
    transition: transform 0.3s ease;
}

.backcover-image-frame-new:hover {
    transform: scale(1.02);
}

.backcover-large-img-new {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}

/* Pie de Página */
.backcover-footer-new {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 15px;
}

.backcover-links-new {
    font-size: 0.75rem;
    color: #94a3b8;
}

.backcover-links-new p {
    margin: 3px 0;
}

.copyright-text-new {
    margin-top: 8px !important;
    font-size: 0.65rem;
    color: #64748b;
}

/* Tarjeta del Estudiante */
.backcover-student-card-new {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 8px;
    padding: 10px 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    min-width: 220px;
}

.student-info-row {
    display: flex;
    justify-content: space-between;
    margin: 3px 0;
    font-size: 0.8rem;
}

.student-label {
    color: #dfd823;
    font-weight: bold;
}

.student-value {
    color: #ffffff;
    font-weight: 500;
}

/* Reglas Responsivas de la Nueva Contraportada */
@media (max-width: 900px) {
    .backcover-body-new {
        flex-direction: column;
        gap: 20px;
    }
    
    .backcover-text-column-new,
    .backcover-image-column-new {
        width: 100%;
    }
    
    .backcover-image-frame-new {
        max-width: 100%;
    }
    
    .backcover-footer-new {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .backcover-student-card-new {
        width: 100%;
    }
}

#page-3.magazine-page,
#page-4.magazine-page,
#page-5.magazine-page,
#page-6.magazine-page,
#page-7.magazine-page,
#page-8.magazine-page,
#page-9.magazine-page,
#page-10.magazine-page {
    background: linear-gradient(135deg, #047857 0%, #064e3b 60%, #022c22 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.editorial-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
    align-items: center;
}

.editorial-text {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: justify;
    font-size: 0.95rem;
    color: #e2e8f0; /* slightly lighter text for readability on green background */
    line-height: 1.6;
}

.editorial-signature-new {
    font-family: var(--font-titles);
    font-weight: 800;
    color: #dfd823; /* golden yellow */
    letter-spacing: 2px;
    font-size: 0.95rem;
    margin-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 15px;
    display: inline-block;
    width: fit-content;
}

.dropcap-paragraph::first-letter {
    font-family: var(--font-titles);
    font-size: 3.5rem;
    font-weight: 800;
    float: left;
    color: #dfd823; /* golden yellow dropcap for high-contrast on violet */
    line-height: 0.8;
    margin-right: 8px;
    margin-top: 4px;
    text-shadow: 0 0 10px rgba(223, 216, 35, 0.3);
}

.editorial-aside {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* Rediseño: Marco de imagen grande */
.editorial-image-frame {
    background-color: #ffffff;
    padding: 8px 8px 20px 8px;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    width: 100%;
    transition: transform 0.3s ease;
}

.editorial-image-frame:hover {
    transform: scale(1.02);
}

.editorial-media-new {
    width: 100%;
    height: 240px; /* marco más grande */
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
}

.aside-quote-box {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 3px solid #dfd823;
    padding: 20px;
    border-radius: 0 12px 12px 0;
    font-size: 0.88rem;
    font-style: italic;
    color: #f1f5f9;
    text-align: justify; /* Justificado */
    line-height: 1.5;
}

/* PÁGINA 4: ÍNDICE */
.index-container {
    margin-top: 10px;
}

.index-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.index-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.index-item:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--color-primary);
    transform: translateX(10px);
}

.index-item.active {
    border-color: var(--color-secondary);
    background-color: rgba(16, 185, 129, 0.03);
}

.index-page-num {
    font-family: var(--font-titles);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    width: 40px;
}

.index-item.active .index-page-num {
    color: var(--color-secondary);
}

.index-item-title {
    font-weight: 500;
    color: var(--text-main);
    flex-shrink: 0;
}

.index-dots {
    flex: 1;
    border-bottom: 1px dotted var(--text-dim);
    margin: 0 15px;
    opacity: 0.5;
}

.index-category {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

.index-item:hover .index-category {
    background-color: var(--color-primary-glow);
    color: var(--text-main);
}

/* PÁGINA 5: DIRECTORIO */
.directory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 15px;
}

.staff-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 8px;
    transition: all 0.3s var(--transition-curve);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.staff-card:hover {
    border-color: #dfd823;
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transform: translateY(-5px);
}

.staff-icon {
    width: 28px;
    height: 28px;
    color: #dfd823;
    opacity: 0.9;
    margin-bottom: 8px;
}

.staff-name {
    font-family: var(--font-titles);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.3;
}

.staff-role {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: #dfd823;
    text-transform: uppercase;
    line-height: 1.4;
    margin-top: 2px;
}

/* PÁGINA 6: INTRODUCCIÓN */
.intro-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 40px;
    align-items: center;
}

.intro-visual {
    position: relative;
}

.intro-media {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

.intro-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: justify;
}

.intro-lead {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-main);
    border-left: 3px solid var(--color-secondary);
    padding-left: 15px;
    line-height: 1.5;
}

/* PÁGINA 7: DESARROLLO I */
.dev1-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
}

.dev1-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: justify;
}

.subsection-heading {
    font-family: var(--font-titles);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 20px 0 15px 0;
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.features-list li {
    position: relative;
    padding-left: 20px;
    text-align: justify;
}

.features-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-primary);
    box-shadow: 0 0 8px var(--color-primary);
}

.features-list li strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 2px;
}

.dev1-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.dev1-media {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

.info-alert-box {
    background-color: rgba(59, 130, 246, 0.03);
    border: 1px solid rgba(59, 130, 246, 0.1);
    padding: 15px 20px;
    border-radius: 10px;
    font-size: 0.8rem;
    text-align: justify;
}

.info-tag {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 5px;
}

/* PÁGINA 8: DESARROLLO II */
.dev2-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 40px;
    align-items: center;
}

.dev2-visual {
    position: relative;
}

.dev2-media {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

.dev2-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: justify;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 15px;
}

.step-item {
    display: flex;
    gap: 20px;
}

.step-number {
    font-family: var(--font-titles);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-secondary);
    opacity: 0.8;
}

.step-content h3 {
    color: var(--text-main);
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.step-content p {
    font-size: 0.8rem;
    text-align: justify;
}

/* Simulación de Terminal */
.code-terminal {
    background-color: #05070c;
    border: 1px solid #1e293b;
    border-radius: 6px;
    padding: 10px 15px;
    font-family: monospace;
    font-size: 0.75rem;
    color: #38bdf8;
    overflow-x: auto;
    margin-top: 8px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* PÁGINA 9: CONCLUSIONES */
.conclusions-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 40px;
}

.conclusions-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: justify;
}

.conclusions-lead {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-main);
}

.conclusions-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.conclusions-bullets li {
    position: relative;
    padding-left: 25px;
    text-align: justify;
}

.conclusions-bullets li::before {
    content: "\2713";
    /* Icono de checkmark */
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-secondary);
    font-weight: bold;
    text-shadow: 0 0 5px var(--color-secondary);
}

.conclusions-bullets li strong {
    color: var(--text-main);
}

.conclusions-aside {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.conclusions-media {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
}

.key-takeaway {
    background-color: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 20px;
    border-radius: 12px;
}

.key-takeaway h3 {
    font-family: var(--font-titles);
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.key-takeaway p {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-align: justify;
}

/* PÁGINA 10: CRÉDITOS */
.credits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 15px;
}

.credits-column h3 {
    font-family: var(--font-titles);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 15px;
    border-left: 2px solid var(--color-primary);
    padding-left: 10px;
}

.credits-column p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    text-align: justify;
}

.meta-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-glass);
    padding: 20px;
    border-radius: 8px;
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.meta-card p strong {
    color: var(--color-primary);
}

.references-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.8rem;
}

.references-list li {
    padding-left: 15px;
    position: relative;
    color: var(--text-muted);
    text-align: justify;
}

.references-list li::before {
    content: "•";
    color: var(--color-secondary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.references-list li strong {
    color: var(--text-main);
}

.credits-footer {
    margin-top: 40px;
    border-top: 1px solid var(--border-glass);
    padding-top: 20px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.school-year {
    margin-top: 8px;
    font-weight: 600;
    color: var(--text-muted);
}

/* ----------------------------------------------------
   PIE DE PÁGINA GLOBAL (MAIN FOOTER)
   ---------------------------------------------------- */
.main-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-header);
    backdrop-filter: var(--blur-normal);
    -webkit-backdrop-filter: var(--blur-normal);
    border-top: 1px solid var(--border-glass);
    z-index: 100;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.page-name-display {
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-primary);
}

/* ----------------------------------------------------
   ADAPTACIÓN RESPONSIVA (DISEÑO MÓVIL)
   ---------------------------------------------------- */
@media (max-width: 900px) {

    .page-cover-layout,
    .page-backcover-layout,
    .editorial-grid,
    .intro-grid,
    .dev1-grid,
    .dev2-grid,
    .conclusions-grid,
    .credits-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .directory-grid {
        grid-template-columns: 1fr 1fr;
    }

    .magazine-viewport {
        margin: 70px auto 70px auto;
        padding: 10px;
    }

    .page-layout {
        padding: 30px 25px;
    }

    .cover-content,
    .backcover-content {
        padding: 35px 25px;
    }

    .cover-title {
        font-size: 3rem;
    }

    .cover-media,
    .backcover-media,
    .intro-media,
    .dev2-media {
        height: 250px;
    }

    .header-container {
        padding: 10px 15px;
    }
}

@media (max-width: 600px) {
    .directory-grid {
        grid-template-columns: 1fr;
    }

    .cover-title {
        font-size: 2.2rem;
    }

    .nav-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .page-indicator {
        font-size: 0.75rem;
    }
}