/* ==========================================================================
   1. CONFIGURACIÓN DEL SISTEMA DE DISEÑO (Clash Display + Helvetica Style)
   ========================================================================== */
:root {
    --bg-black: #000000;        
    --surface-dark: #0a0a0c;     
    --text-white: #ffffff;      
    --text-silver: #fe2c95;      
    --cyber-magenta: #fe2c95;    
    --border-color: #000000;
    --transparent: rgba(0, 0, 0, 0);
    
    /* Configuración tipográfica suizo-tecnológica */
    --font-display: 'Clash Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-body: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-black);
    /* TEXTURA: Patrón repetitivo de líneas de escaneo horizontales (look industrial/fanzine) */
    background-image: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25) 2px,
        transparent 2px,
        transparent 4px
    );
    color: var(--text-white);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.cyber-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   2. SECCIÓN: MARQUESINA 
   ========================================================================== */
.university-banner {
    background-color: var(--surface-dark);
    border: 1px solid var(--border-color);
    padding: 20px 0;
    overflow: hidden;
    margin-bottom: 30px;
}

.marquee-text {
    display: inline-block;
    white-space: nowrap;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.75rem;
    letter-spacing: 2px;
    color: var(--text-silver);
    animation: marquee 25s linear infinite;
}

@keyframes marquee {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* ==========================================================================
   3. SECCIÓN: HEADER (Nombre con impronta de diseño)
   ========================================================================== */
.cyber-header {
    border-bottom: 1px solid var(--cyber-magenta);
    padding-bottom: 20px;
    margin-bottom: 40px;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.main-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 3.5rem;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.header-badge {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ==========================================================================
   4. SECCIÓN: MENÚ DE NAVEGACIÓN E INTERACTIVIDAD (Pestañas nativas)
   ========================================================================== */
input[name="main-tabs"] {
    display: none; 
}

.cyber-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background-color: var(--transparent);
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.nav-btn {
    background-color: var(--transparent);
    color: var(--text-silver);
    padding: 20px 15px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    text-transform: uppercase;
}

.nav-btn:hover {
    color: var(--text-white);
    background-color: #a38aa3;
}

.tab-content {
    display: none;
    animation: contentFade 0.35s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

#tab-about:checked ~ .cyber-nav .nav-btn[for="tab-about"],
#tab-academic:checked ~ .cyber-nav .nav-btn[for="tab-academic"],
#tab-team:checked ~ .cyber-nav .nav-btn[for="tab-team"],
#tab-legal:checked ~ .cyber-nav .nav-btn[for="tab-legal"] {
    background-color: var(--text-white);
    color: var(--bg-black);
    font-weight: 700;
}

#tab-about:checked ~ .content-wrapper .view-about,
#tab-academic:checked ~ .content-wrapper .view-academic,
#tab-team:checked ~ .content-wrapper .view-team,
#tab-legal:checked ~ .content-wrapper .view-legal {
    display: block;
}

@keyframes contentFade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   5. SECCIÓN: SOBRE MÍ Y BLOQUES METADATA
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.about-text p {
    color: var(--text-white);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.about-meta {
    background-color: var(--surface-dark);
    border: 1px solid var(--border-color);
    padding: 25px;
}

.meta-box {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.meta-box:last-child {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.meta-box .label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--cyber-magenta);
    margin-bottom: 5px;
}

.meta-box .val {
    font-size: 1rem;
    font-weight: 500;
}

.pulse-yellow {
    color: var(--cyber-magenta);
    font-weight: 600 ;
}

/* ==========================================================================
   6. SECCIÓN: PORTFOLIO / TRABAJOS DESTACADOS (Limpieza total de grises)
   ========================================================================== */
.portfolio-section {
    background-color: var(--transparent) !important; /* Se vuelve transparente para revelar la textura */
    padding: 60px 40px;
    color: #ffffff;
    font-family: var(--font-body); 
}

.section-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 40px;
}

.trabajos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px 22px; 
}

.trabajo-card {
    display: flex;
    flex-direction: column;
}

.trabajo-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9; 
    border-radius: 8px; 
    overflow: hidden;
    margin-bottom: 16px;
    background-color: var(--transparent) !important; /* Eliminado el fondo gris */
    border: none !important; /* Quitado el recuadro gris residual */
    box-shadow: none !important;
}

.trabajo-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    object-position: center;
    background-color: var(--transparent) !important;
    transition: transform 0.3s ease; 
}

.trabajo-card:hover .trabajo-thumbnail img {
    transform: scale(1.03);
}

.trabajo-titulo {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase; 
    margin: 0 0 6px 0;
    letter-spacing: 0.5px;
}

.trabajo-subtitulo {
    font-size: 0.85rem;
    color: #a0a0a0; 
    margin: 0;
}

/* ==========================================================================
   7. SECCIÓN: HISTORIA ACADÉMICA (Estructura modular FADU)
   ========================================================================== */
.academic-timeline {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.timeline-block {
    display: grid;
    grid-template-columns: 200px 1fr;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.block-year {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-white);
}

.badge-approved {
    display: inline-block;
    font-size: 0.7rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    padding: 2px 6px;
    vertical-align: middle;
    margin-left: 5px;
}

.block-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.subject-card {
    background-color: var(--surface-dark);
    border: 1px solid var(--border-color);
    padding: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.subject-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.subject-name {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-white);
}

.subject-details {
    font-size: 0.85rem;
    color: var(--text-silver);
}

.subject-details strong {
    color: var(--text-white);
}

.subject-details .date {
    display: block;
    font-size: 0.75rem;
    color: rgba(161, 161, 170, 0.6);
    margin-top: 2px;
}

/* ==========================================================================
   8. SECCIÓN: EQUIPO Y CONTENEDORES LEGALES
   ========================================================================== */
.team-header {
    margin-bottom: 30px;
}

.team-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    text-transform: uppercase;
}

.team-header p {
    color: var(--text-silver);
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.member-link {
    text-decoration: none;
    color: inherit;
}

.member-box {
    background-color: var(--surface-dark);
    border: 1px solid var(--border-color);
    padding: 30px;
    position: relative;
    transition: all 0.25s ease;
}

.member-box:hover {
    border-color: var(--cyber-magenta);
    background-color: rgba(255, 0, 127, 0.02);
}

.member-id {
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--cyber-magenta);
    display: block;
    margin-bottom: 10px;
}

.member-box h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.action-tag {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--text-white);
}

.legal-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    background-color: var(--surface-dark);
    border: 1px solid var(--cyber-magenta);
    padding: 35px;
}

.legal-column h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    color: var(--cyber-magenta);
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.legal-column p {
    font-size: 0.85rem;
    color: var(--text-white);
    line-height: 1.7;
    margin-bottom: 8px;
}

.legal-column strong {
    color: var(--cyber-magenta);
}

.docentes-comision {
    font-style: italic;
    color: rgba(161, 161, 170, 0.5) !important;
}

.cyber-footer {
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: rgba(161, 161, 170, 0.4);
}

/* ==========================================================================
   9. MEDIA QUERIES (Responsividad optimizada para la grilla y el menú)
   ========================================================================== */
@media (max-width: 992px) {
    .trabajos-grid {
        grid-template-columns: repeat(2, 1fr); 
    }
}

@media (max-width: 900px) {
    .cyber-nav {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .timeline-block {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .trabajos-grid {
        grid-template-columns: 1fr; 
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .cyber-nav {
        grid-template-columns: 1fr;
    }
    .main-title {
        font-size: 2.3rem;
    }
    .cyber-footer {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* ==========================================================================
   10. BOTONES INTERACTIVOS MEJORADOS (Previene estados visitados violetas)
   ========================================================================== */
.btn-ver-trabajos, 
.btn-ver-trabajos:visited {  
    display: inline-block;
    padding: 14px 28px;
    background-color: var(--transparent);
    color: var(--text-white) !important; 
    border: 2px solid var(--cyber-magenta) !important; 
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 1px;
    transition: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    margin-top: 20px;
    cursor: pointer;
}

.btn-ver-trabajos:hover {
    background-color: var(--cyber-magenta) !important;
    color: var(--bg-black) !important; 
    box-shadow: 0 0 20px rgba(254, 44, 149, 0.6); 
    transform: translateY(-2px);
}

.nav-portfolio-limpio {
    background-color: var(--transparent) !important;
    border: none !important;
    grid-template-columns: auto !important; 
    margin-top: 20px;
}

/* Enlace/Botón externo personalizado "vn.12" */
.btn-perfil-cyber, 
.btn-perfil-cyber:visited { 
    display: inline-block;
    min-width: 140px; 
    text-align: center;
    padding: 12px 24px;
    background-color: var(--transparent);
    color: var(--text-white) !important; 
    border: 2px solid var(--cyber-magenta) !important; 
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 2px; 
    transition: all 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    margin: 15px 0;
    cursor: pointer;
}

.btn-perfil-cyber:hover {
    background-color: var(--cyber-magenta) !important;
    color: var(--bg-black) !important; 
    box-shadow: 0 0 15px rgba(254, 44, 149, 0.6); 
    transform: translateY(-2px);
}