/* ============================================
   VARIABLES Y RESET
   ============================================ */
:root {
    /* Colores Pastel */
    --verde-pastel: #A8E6CF;
    --azul-pastel: #A8D8EA;
    --rosa-pastel: #FFB6C1;
    --amarillo-pastel: #FFF4A3;
    --morado-pastel: #D4A5D4;
    
    /* Colores Base */
    --blanco: #FFFFFF;
    --negro: #1a1a1a;
    --gris-claro: #f5f5f5;
    --gris-medio: #999999;
    --gris-oscuro: #333333;
    
    /* Fuentes */
    --font-principal: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-principal);
    color: var(--negro);
    background-color: var(--blanco);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ============================================
   HEADER / NAVEGACIÓN
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--blanco);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    max-width: 100%;
    margin: 0;
    padding: 0 2rem 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}

/* Menú Hamburguesa */
.hamburger-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    margin-left: 0;
}

.hamburger-btn span {
    width: 25px;
    height: 3px;
    background: var(--negro);
    transition: var(--transition-normal);
}

.hamburger-btn:hover span {
    background: var(--verde-pastel);
}

/* Logo */
.logo {
    margin-right: auto;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Navegación Principal */
.main-nav ul {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.main-nav a {
    color: var(--negro);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.main-nav a:hover {
    color: var(--verde-pastel);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--gris-oscuro);
    padding: 1rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    color: var(--blanco);
    display: block;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.dropdown-menu a:hover {
    background: rgba(255,255,255,0.1);
}

/* Header Derecha */
.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.language-selector a {
    color: var(--negro);
    font-weight: 500;
}

.language-selector a.active {
    color: var(--verde-pastel);
}

.mygreen-dropdown button {
    background: none;
    border: none;
    color: var(--negro);
    cursor: pointer;
    font-weight: 500;
}

.search-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--negro);
    transition: var(--transition-fast);
}

.search-btn:hover {
    color: var(--verde-pastel);
}

/* ============================================
   MENÚ FULLSCREEN (Hamburguesa)
   ============================================ */
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 26, 0.98);
    z-index: 2000;
    transition: var(--transition-slow);
    overflow-y: auto;
}

.fullscreen-menu.active {
    left: 0;
}

.fullscreen-menu-header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-btn {
    background: none;
    border: none;
    color: var(--blanco);
    font-size: 2rem;
    cursor: pointer;
}

.fullscreen-menu-content {
    padding: 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    color: var(--blanco);
}

.menu-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.menu-section ul li {
    margin-bottom: 0.5rem;
}

.menu-section a {
    color: var(--gris-medio);
    transition: var(--transition-fast);
}

.menu-section a:hover {
    color: var(--verde-pastel);
}

.simple-links li {
    margin-bottom: 1rem;
}

.simple-links a {
    color: var(--blanco);
    font-size: 1.2rem;
}

.fullscreen-search {
    position: absolute;
    bottom: 2rem;
    right: 4rem;
    color: var(--blanco);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

/* ============================================
   MENÚ LATERAL DE NAVEGACIÓN (Sticky)
   ============================================ */
.side-navigation {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* Mostrar solo cuando hay scroll */
.side-navigation.visible {
    opacity: 1;
    visibility: visible;
}

.side-navigation ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem 1rem;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.side-navigation li {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-normal);
}

/* Punto del menú */
.side-navigation a {
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-normal);
}

.side-navigation a::after {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    border: 2px solid var(--gris-medio);
    border-radius: 50%;
    background: transparent;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.side-navigation a.active::after {
    background: var(--verde-pastel);
    border-color: var(--verde-pastel);
    transform: scale(1.4);
}

.side-navigation a:hover::after {
    border-color: var(--verde-pastel);
    transform: scale(1.2);
}

/* Texto del menú (inicialmente oculto) */
.side-navigation a::before {
    content: attr(data-tooltip);
    color: var(--negro);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, max-width 0.3s ease;
}

/* Mostrar texto al hacer hover en el menú completo */
.side-navigation:hover a::before {
    opacity: 1;
    max-width: 200px;
    margin-right: 0.5rem;
}

.side-navigation:hover a.active::before {
    color: var(--verde-pastel);
}

/* Expandir el menú al hacer hover */
.side-navigation:hover ul {
    padding: 1.5rem 1.5rem;
}

/* Línea conectora entre puntos */
.side-navigation ul::before {
    content: '';
    position: absolute;
    right: 1.65rem;
    top: 2rem;
    bottom: 2rem;
    width: 2px;
    background: var(--gris-claro);
    z-index: -1;
}

/* ============================================
   BOTONES FLOTANTES DE REDES SOCIALES
   ============================================ */
.social-float {
    position: fixed;
    left: 2rem;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 900;
}

.social-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    font-size: 1.3rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    transition: var(--transition-normal);
}

.social-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

.social-btn.facebook {
    background: #1877F2;
}

.social-btn.instagram {
    background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF, #515BD4);
}

.social-btn.whatsapp {
    background: #25D366;
}

/* ============================================
   SECCIÓN HERO
   ============================================ */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-top: 80px;
}

.hero-video {
    width: 100%;
    height: 100%;
}

.hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   SECCIÓN: ADMISIONES (4 Tarjetas)
   ============================================ */
.admisiones-cards {
    padding: var(--spacing-xl) 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.card {
    position: relative;
    height: 400px;
    overflow: hidden;
    cursor: pointer;
    border-radius: 8px;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(168, 230, 207, 0.7), rgba(168, 230, 207, 0.9));
    padding: 2rem;
    color: var(--blanco);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.card-arrow {
    background: none;
    border: none;
    color: var(--blanco);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.card:hover img {
    transform: scale(1.05);
}

.card:hover .card-arrow {
    transform: translateY(5px);
}

/* ============================================
   MODALES
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--blanco);
    padding: 3rem;
    max-width: 600px;
    border-radius: 12px;
    position: relative;
    text-align: center;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.modal h2 {
    color: var(--verde-pastel);
    margin-bottom: 1rem;
}

.modal p {
    margin-bottom: 2rem;
    line-height: 1.8;
}

.btn-primary {
    display: inline-block;
    background: var(--verde-pastel);
    color: var(--negro);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background: var(--azul-pastel);
    transform: translateY(-2px);
}

/* ============================================
   SECCIÓN: NOTICIAS
   ============================================ */
.noticias {
    padding: var(--spacing-xl) 0;
    background: var(--gris-claro);
}

.noticias h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.noticias-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Animación de entrada para noticias */
.noticia-card {
    background: var(--blanco);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    opacity: 0;
    transform: translateX(-100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.noticia-card:nth-child(1),
.noticia-card:nth-child(3) {
    transform: translateX(-100px); /* Desde la izquierda */
}

.noticia-card:nth-child(2),
.noticia-card:nth-child(4) {
    transform: translateX(100px); /* Desde la derecha */
}

.noticia-card.visible {
    opacity: 1;
    transform: translateX(0);
    
}

.exp-card,
.vinc-card {
    opacity: 1 !important;
}



.noticia-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.noticia-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--azul-pastel);
    color: var(--negro);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.noticia-card h3 {
    padding: 1.5rem;
    font-size: 1.1rem;
}

.noticia-card h3 a {
    color: var(--negro);
    transition: var(--transition-fast);
}

.noticia-card h3 a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.noticia-card h3 a:hover {
    color: var(--verde-pastel);
}

/* ============================================
   SECCIÓN: EDUCACIÓN
   ============================================ */
.educacion {
    padding: var(--spacing-xl) 0;
}

.educacion h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.educacion-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Imágenes que cambian */
.educacion-images {
    position: sticky;
    top: 100px;
    height: 600px;
    border-radius: 12px;
    overflow: hidden;
}

.educacion-images img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease;
}

.educacion-images img.active {
    opacity: 1;
}

/* Contenido scroll */
.educacion-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.edu-section {
    padding: 2rem;
    border-left: 3px solid var(--gris-claro);
    position: relative;
    transition: var(--transition-normal);
}

.edu-section.active {
    border-left-color: var(--verde-pastel);
}

.radio-indicator {
    position: absolute;
    left: -8px;
    top: 2rem;
    width: 14px;
    height: 14px;
    border: 2px solid var(--gris-medio);
    border-radius: 50%;
    background: var(--blanco);
    transition: var(--transition-normal);
}

.edu-section.active .radio-indicator {
    background: var(--verde-pastel);
    border-color: var(--verde-pastel);
}

.edu-section h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--negro);
}

.edu-section p {
    color: var(--gris-oscuro);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.edu-links {
    display: flex;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.edu-links a {
    color: var(--azul-pastel);
    font-weight: 500;
    transition: var(--transition-fast);
}

.edu-links a:hover {
    color: var(--verde-pastel);
}

.link-more {
    color: var(--verde-pastel);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.link-more:hover {
    gap: 1rem;
}

/* ============================================
   SECCIÓN: EXPERIENCIAS
   ============================================ */
.experiencias {
    padding: var(--spacing-xl) 0;
    background: var(--gris-claro);
}

.experiencias h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.experiencias-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.exp-card {
    position: relative;
    height: 500px;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
}

.exp-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.exp-title {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    color: var(--blanco);
    font-size: 1.8rem;
    z-index: 2;
}

.exp-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(168, 230, 207, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    opacity: 0;
    transition: var(--transition-normal);
    text-align: center;
}

.exp-overlay.blue {
    background: rgba(168, 216, 234, 0.9);
}

.exp-overlay h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--negro);
}

.exp-overlay p {
    color: var(--negro);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.btn-outline {
    border: 2px solid var(--negro);
    color: var(--negro);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background: var(--negro);
    color: var(--blanco);
}

.exp-card:hover .exp-overlay {
    opacity: 1;
}

.exp-card:hover img {
    transform: scale(1.1);
}

/* CTA Experiencias */
.experiencias-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Modal Experiencias imagen */
.modal-content-exp {
    text-align: left;
    max-width: 700px;
}

.modal-exp-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.modal-content-exp h2 {
    color: var(--negro);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.modal-content-exp p {
    color: var(--gris-oscuro);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ============================================
   SECCIÓN: INSTALACIONES (Carrusel + Texto)
   ============================================ */
.instalaciones {
    padding: var(--spacing-xl) 0;
}

.instalaciones-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.instalaciones-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--negro);
    line-height: 1.2;
}

.instalaciones-info p {
    color: var(--gris-oscuro);
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

/* Animaciones */
.instalaciones-anim {
    opacity: 0;
    transition: opacity 0.9s ease, transform 0.9s ease;
    will-change: opacity, transform;
}

.instalaciones-anim-left {
    transform: translateX(-80px);
}

.instalaciones-anim-right {
    transform: translateX(80px);
}

.instalaciones-anim.visible {
    opacity: 1;
    transform: translateX(0);
}

.instalaciones-anim-right.visible {
    transition-delay: 0.2s;
}

.carousel-container {
    position: relative;
    width: 100%;
}

.carousel {
    position: relative;
    height: 600px;
    border-radius: 12px;
    overflow: hidden;
}

.carousel img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.carousel img.active {
    opacity: 1;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-normal);
}

.carousel-arrow:hover {
    background: var(--verde-pastel);
}

.carousel-arrow.prev {
    left: 2rem;
}

.carousel-arrow.next {
    right: 2rem;
}

/* ============================================
   SECCIÓN: INVESTIGACIÓN
   ============================================ */
/* ============================================
   SECCIÓN: INVESTIGACIÓN (4 Cuadros)
   ============================================ */
.investigacion {
    padding: 0;
    background: var(--gris-claro);
}

.investigacion h2 {
    font-size: 2.5rem;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.investigacion-grid-new {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    width: 100%;
}

.inv-card-new {
    position: relative;
    height: 500px;
    overflow: hidden;
    cursor: pointer;
}

.inv-card-new img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

/* Título siempre visible */
.inv-title-visible {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    right: 2rem;
    color: var(--blanco);
    font-size: 1.8rem;
    z-index: 2;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    transition: var(--transition-normal);
}

/* Overlay que aparece al hover */
.inv-overlay-new {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(168, 230, 207, 0.85), rgba(168, 230, 207, 0.95));
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.inv-overlay-new h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--negro);
}

.inv-overlay-new p {
    color: var(--negro);
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 80%;
}

/* Efectos hover */
.inv-card-new:hover .inv-overlay-new {
    opacity: 1;
}

.inv-card-new:hover img {
    transform: scale(1.1);
}

.inv-card-new:hover .inv-title-visible {
    opacity: 0;
}

/* CTA Investigación */
.investigacion-cta {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
}

/* Responsive */
@media (max-width: 1024px) {
    .investigacion-grid-new {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .inv-card-new {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .investigacion-grid-new {
        grid-template-columns: 1fr;
    }
    
    .inv-card-new {
        height: 350px;
    }
}

/* ============================================
   SECCIÓN: PROFESORES (Cards Flip 3D)
   ============================================ */
.profesores {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 50%, #e0f2f1 100%);
}

.profesores h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--negro);
}

.profesores-subtitulo {
    color: var(--gris-oscuro);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.profesores-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.prof-card {
    perspective: 1000px;
    height: 420px;
    cursor: pointer;
}

.prof-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.7s ease;
    transform-style: preserve-3d;
}

.prof-card:hover .prof-card-inner {
    transform: rotateY(180deg);
}

.prof-card-front,
.prof-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.prof-card-front {
    background: var(--blanco);
    display: flex;
    flex-direction: column;
}

.prof-card-front img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.prof-card-front h3 {
    padding: 1rem 1.2rem 0.3rem;
    font-size: 1.15rem;
    color: var(--negro);
}

.prof-card-front .prof-materias {
    padding: 0 1.2rem 1rem;
    color: var(--gris-medio);
    font-size: 0.9rem;
    font-style: italic;
}

.prof-card-back {
    background: linear-gradient(135deg, var(--verde-pastel), var(--azul-pastel));
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
}

.prof-card-back h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--negro);
}

.prof-card-back .prof-bio {
    color: var(--gris-oscuro);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.prof-card-back .prof-contacto {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--negro);
    font-size: 0.85rem;
    font-weight: 500;
}

.prof-card-back .prof-contacto i {
    color: var(--negro);
}

/* Profesores Responsive */
@media (max-width: 1024px) {
    .profesores-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .profesores-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}

/* ============================================
   SECCIÓN: VINCULACIÓN (Grid Mosaico)
   ============================================ */
.vinculacion {
    padding: 0;
}

.vinculacion h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.vinculacion-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(4, 200px);
    gap: 0.5rem;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}
.vinc-card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    display: block;
}

/* Asegurar que NO haya efectos hover no deseados */
.vinc-card:hover {
    transform: none;
}

.vinc-card:hover img {
    transform: scale(1.05);
}

/* Card 1: Florecimiento Humano (grande izquierda) */
.vinc-card:nth-child(1) {
    grid-column: 1 / 7;
    grid-row: 1 / 3;
}

/* Card 2: Centro Dignidad (horizontal arriba derecha) */
.vinc-card:nth-child(2) {
    grid-column: 7 / 13;
    grid-row: 1 / 2;
}

/* Card 3: Servicio Social (mediano derecha) */
.vinc-card:nth-child(3) {
    grid-column: 7 / 10;
    grid-row: 2 / 3;
}

/* Card 4: Diversidad (vertical derecha) */
.vinc-card:nth-child(4) {
    grid-column: 10 / 13;
    grid-row: 2 / 5;
}

/* Card 5: Ruta Azul (abajo izquierda) */
.vinc-card:nth-child(5) {
    grid-column: 1 / 4;
    grid-row: 3 / 5;
}

/* Card 6: Generosidad (grande centro-abajo) */
.vinc-card:nth-child(6) {
    grid-column: 4 / 10;
    grid-row: 3 / 5;
}

.vinc-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.vinc-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(97, 127, 141, 0.9); /* Verde pastel por defecto */
    padding: 3rem;
    color: var(--blanco);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: var(--transition-normal);
}

/* Título siempre visible */
.vinc-card h3 {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    color: var(--blanco);
    font-size: 1.8rem;
    z-index: 2;
    text-shadow: 0 2px 10px rgba(136, 132, 132, 0.8);
    transition: var(--transition-normal);
}

/* Overlay aparece al hover */
.vinc-card:hover .vinc-overlay {
    opacity: 1;
}

/* Título desaparece al hover */
.vinc-card:hover h3 {
    opacity: 0;
}

/* Estilos del overlay interior */
.vinc-overlay h3 {
    position: static;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--negro);
    text-shadow: none;
}

.vinc-overlay .vinc-link {
    display: inline-block;
    color: var(--negro);
    font-size: 1rem;
    text-decoration: underline;
    margin-top: 1rem;
    transition: var(--transition-fast);
}

.vinc-overlay .vinc-link:hover {
    color: var(--blanco);
}

.vinc-overlay .plus-btn {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
    pointer-events: all;
}

/* Botón "Conoce más" solo para la primera card */
.vinc-card:nth-child(1) .vinc-overlay {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
}

.vinc-card:nth-child(1) .vinc-overlay h3 {
    margin-bottom: 1rem;
}

.vinc-card:nth-child(1) .vinc-overlay .vinc-link {
    display: inline-block;
    color: var(--blanco);
    font-size: 1rem;
    text-decoration: underline;
    pointer-events: all;
    transition: var(--transition-fast);
}

.vinc-card:nth-child(1) .vinc-overlay .vinc-link:hover {
    color: var(--verde-pastel);
}

.vinc-card:nth-child(1) .plus-btn {
    position: absolute;
    bottom: 2.5rem;
    right: 2.5rem;
}

.plus-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid var(--blanco);
    background: transparent;
    color: var(--blanco);
    font-size: 2rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.plus-btn:hover {
    background: var(--blanco);
    color: var(--negro);
    transform: rotate(90deg);
}

.vinc-card:hover img {
    transform: scale(1.1);
}

/* CTA Vinculación */
.vinculacion-cta {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
}

/* ============================================
   SECCIÓN: ESTADÍSTICAS (Carrusel Infinito)
   ============================================ */
.estadisticas {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow: hidden;
}

.estadisticas-carousel {
    overflow: hidden;
    padding: 2rem 0;
}

.estadisticas-track {
    display: flex;
    gap: 6rem;
    animation: scroll-stats 30s linear infinite;
}

.estadisticas-track:hover {
    animation-play-state: paused;
}

.stat-item {
    min-width: 300px;
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: var(--gris-claro);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.stat-item h3 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--verde-pastel);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-item p {
    font-size: 1.1rem;
    color: var(--gris-oscuro);
    font-weight: 500;
    line-height: 1.4;
}

@keyframes scroll-stats {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--negro);
    color: var(--blanco);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--gris-medio);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-column a i {
    font-size: 0.9rem;
    color: var(--verde-pastel);
}

.footer-column a:hover {
    color: var(--verde-pastel);
}

.footer-column a:hover i {
    transform: scale(1.2);
}

.footer-column a:hover {
    color: var(--verde-pastel);
}

.footer-logo img {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gris-oscuro);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--verde-pastel);
    color: var(--negro);
}

.footer-map iframe {
    border-radius: 8px;
    width: 100%;
}

.footer-map-link {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.map-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--verde-pastel);
    color: var(--negro);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-normal);
    text-align: center;
}

.map-btn i {
    font-size: 1.5rem;
}

.map-btn:hover {
    background: var(--azul-pastel);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(168, 230, 207, 0.4);
}

.address {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--gris-medio);
    font-size: 0.9rem;
    line-height: 1.6;
}

.address i {
    color: var(--verde-pastel);
    margin-top: 0.2rem;
}

.footer-lang a.active {
    color: var(--verde-pastel);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--gris-medio);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-legal {
    margin-top: 1rem;
}

.footer-legal a {
    color: var(--gris-medio);
    margin: 0 0.5rem;
}

.footer-legal a:hover {
    color: var(--verde-pastel);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }
    
    .cards-grid,
    .noticias-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .educacion-layout {
        grid-template-columns: 1fr;
    }
    
    .educacion-images {
        position: relative;
        height: 400px;
    }
    
    .vinculacion-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    
    .vinc-card.large,
    .vinc-card.horizontal,
    .vinc-card.vertical,
    .vinc-card.large-bottom {
        grid-column: auto;
        grid-row: auto;
    }
    
    .instalaciones-layout {
        grid-template-columns: 1fr;
    }

    .side-navigation {
        display: none;
    }

    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cards-grid,
    .noticias-grid,
    .experiencias-grid {
        grid-template-columns: 1fr;
    }
    
    .investigacion-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    .inv-large {
        grid-row: auto;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .social-float {
        left: 1rem;
        bottom: 1rem;
    }
    
    .social-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}

.vinc-overlay p {
    color: var(--negro);
    font-size: 1.3rem;
    line-height: 1.8;
    max-width: 85%;
    font-weight: 500;
    font-family: 'Georgia', serif;
}