/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,200..900;1,200..900&display=swap');

body {
    line-height: 1.6;
    color: #333;
    background: #ffffff;
    font-family: 'Nunito', sans-serif;
}

/* Variables */
:root {
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 20px;
    --transition: all 0.3s ease;
}

/* NAVBAR */
.navbar {
    background: rgba(56, 180, 74, 100%);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    padding-top: 5px;
    transition: transform 0.3s ease;
}

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

.nav-menu {
    font-weight: 500;
    font-size: 18px;
    display: flex;
    list-style: none;
    gap: 4rem;
}

.nav-link {
    text-decoration: none;
    color: #ffffff;
}

.nav-link:hover {
    color: rgba(254, 198, 61, 100%);
}

.navbtn {
    display: flex;
    gap: 1.5rem;
}

.login-btn, .register-btn {
    font-weight: 700;
    font-size: 18px;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.login-btn {
    background: transparent;
    color: white;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(254, 198, 61, 50%);
}

/* ========== MENÚ HAMBURGUESA ========== */

/* Botón Hamburguesa */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.25rem;
    z-index: 1002;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Contenedor del Menú Móvil */
.mobile-menu {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.register-btn {
    background: rgba(254,198,61,100%);
    color: white;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(254, 198, 61, 50%);
}

/* HERO */
.hero {
    max-width: 1500px;
    height: auto;
    background: #fff;
    color: #333;
    padding: 2rem 3rem;
    margin-top: 6rem;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1rem;
    color: #333;
}

/* ⭐ GRID CORREGIDO: 3 arriba, 2 abajo ⭐ */
.grid-modulos {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 columnas iguales */
    grid-template-rows: auto auto; /* 2 filas */
    gap: 1.5rem;
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 15px;
    max-width: 1200px;
    margin: 0 auto;

    opacity: 0;
}

.grid-modulos.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Primera fila: 3 celdas ocupando 1 columna cada una */
.grid-modulos .celda:nth-child(1),
.grid-modulos .celda:nth-child(2),
.grid-modulos .celda:nth-child(3) {
    grid-column: span 1;
}

/* Segunda fila: 2 celdas centradas */
.grid-modulos .celda:nth-child(4) {
    grid-column: 1 / 2; /* Primera celda en columna 1 */
}

.grid-modulos .celda:nth-child(5) {
    grid-column: 2 / 3; /* Segunda celda en columna 2 */
}

/* Espacio vacío en la tercera columna de la segunda fila */
.grid-modulos .celda:nth-child(6) {
    grid-column: 3 / 4; /* Tercera celda en columna 3 (vacía) */
    visibility: hidden; /* Ocultar pero mantener el espacio */
}

/* CELDAS */
.celda {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: #ffffff;
    border-radius: 30px;
    transition: transform .22s ease, box-shadow .22s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 280px; /* Altura mínima uniforme */
}



/* 📌 CONTENEDOR DE IMAGEN - TAMAÑO UNIFORME Y FIJO */
.mod-img {
    width: 100%;
    height: 180px; /* Altura fija igual para todas */
    border-radius: 30px;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mod-img img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Mantiene proporciones y cubre el contenedor */
    transition: transform 0.3s ease;
}

.celda:hover .mod-img img {
    transform: scale(1.05);
}

/* Títulos de los módulos */
.celda h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #333;
    text-align: left;
    margin: 0.5rem 0 0 0;
}

/* CONTENIDO EXPANDIBLE */
.expandible {
    max-height: 0;
    opacity: 0;
    transform: translateY(6px);
    transition: 
        max-height .38s cubic-bezier(.2,.9,.2,1),
        opacity .25s ease,
        transform .25s ease;
    overflow: hidden;
}

.expandible p {
    margin-top: 0.25rem;
    font-size: .95rem;
    line-height: 1.4;
    color: #333;
    opacity: 0;
    transform: translateY(5px);
    transition: opacity .3s ease, transform .3s ease;
}

/* ESTADO EXPANDIDO */
.celda.active {
    min-height: 350px;
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 25px 45px rgba(0,0,0,0.12);
}

.celda.active .expandible {
    max-height: 200px;
    opacity: 1;
    transform: translateY(0);
}

.celda.active .expandible p {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .grid-modulos {
        grid-template-columns: repeat(2, 1fr); /* 2 columnas en tablet */
    }
    
    /* En tablet: 2 celdas por fila */
    .grid-modulos .celda:nth-child(1),
    .grid-modulos .celda:nth-child(2) {
        grid-column: span 1;
    }
    
    .grid-modulos .celda:nth-child(3),
    .grid-modulos .celda:nth-child(4) {
        grid-column: span 1;
    }
    
    .grid-modulos .celda:nth-child(5) {
        grid-column: 1 / 2; /* Primera celda segunda fila */
    }
    
    .grid-modulos .celda:nth-child(6) {
        grid-column: 2 / 3; /* Segunda celda segunda fila */
        visibility: visible; /* Mostrar en tablet */
    }
}

@media (max-width: 600px) {
    .grid-modulos {
        grid-template-columns: 1fr; /* 1 columna en móvil */
        gap: 1rem;
    }
    
    /* En móvil: todas las celdas ocupan 1 columna */
    .grid-modulos .celda {
        grid-column: 1 / 2 !important;
    }
    
    .grid-modulos .celda:nth-child(6) {
        visibility: visible; /* Mostrar en móvil */
    }
    
    .celda {
        min-height: 250px;
    }
    
    .mod-img {
        height: 150px;
    }
}

/* Accesibilidad */
.celda:focus {
    outline: 3px solid rgba(254,198,61,0.25);
    outline-offset: 4px;
}

/* Botones de acción */
.celda-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.action-btn {
    flex: 1;
    padding: 0.5rem;
    border: none;
    border-radius: 8px;
    background: #fec63d;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: #e5b235;
    transform: translateY(-2px);
}



/* ========== MEDIA QUERIES ========== */

/* Móviles (≤768px) */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    /* Menú Móvil - Oculto por defecto */
    .mobile-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: calc(100vh - 100%);
        background: rgba(56, 180, 74, 98%);
        backdrop-filter: blur(15px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem 1rem;
        gap: 2rem;
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        z-index: 1001;
        overflow-y: auto;
    }
    
    .mobile-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    /* Menú de Navegación en Móvil */
    .mobile-menu .nav-menu {
        flex-direction: column;
        gap: 2rem;
        width: 100%;
        text-align: center;
    }
    
    .mobile-menu .nav-link {
        font-size: 1.25rem;
        padding: 1rem 0;
        display: block;
        width: 100%;
    }
    
    /* Botones en Móvil */
    .mobile-menu .navbtn {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        max-width: 280px;
    }
    
    .mobile-menu .login-btn,
    .mobile-menu .register-btn {
        width: 100%;
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
        margin: 0.25rem 0;
        text-align: center;
    }
    
    /* Animación hamburguesa a X */
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

        

        
        /* Estilos para los escudos */
        .escudo {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        
        .escudo img {
            width: 70px;
            height: 70px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }


}

/* ========== MEDIA QUERIES ========== */

/* Para pantallas más pequeñas */
@media (max-width: 767px) {

}


/* Tabletas Pequeñas (≥576px) */
@media (min-width: 576px) and (max-width: 768px) {


}

/* Tabletas (≥768px) - Desktop */
@media (min-width: 769px) {
    .navbar {
        padding: 1rem 0;
    }
    
    .nav-container {
        padding: 0 2rem;
    }
    
    .logo-img {
        height: 50px;
    }
    
    .nav-menu {
        font-size: 1.125rem;
        gap: 3rem;
    }
    
    .login-btn, .register-btn {
        font-size: 1rem;
        padding: 0.75rem 1.5rem;
    }
    
    .navbtn {
        gap: 1.5rem;
    }
}

/* Desktop (≥992px) */
@media (min-width: 992px) {
    .nav-menu {
        gap: 4rem;
    }
    
    .logo-img {
        height: 55px;
    }
}

/* Desktop Grandes (≥1200px) */
@media (min-width: 1200px) {
    .nav-container {
        padding: 0 2rem;
    }
    
    .logo-img {
        height: 60px;
    }
}

/* Móviles Pequeños (≤480px) */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .mobile-menu {
        padding: 1.5rem 1rem;
        gap: 1.5rem;
    }
    
    .mobile-menu .nav-menu {
        gap: 1.5rem;
    }
    
    .mobile-menu .nav-link {
        font-size: 1.125rem;
        padding: 0.875rem 0;
    }
    
    .mobile-menu .navbtn {
        max-width: 250px;
    }
    
    .mobile-menu .login-btn,
    .mobile-menu .register-btn {
        font-size: 0.9375rem;
        padding: 0.625rem 1.25rem;
    }
}