/* ==============================================
   1. CONFIGURACIÓN GENERAL Y VARIABLES
   ============================================== */
:root {
    --rosa-principal: #e58dd8;
    --morado-oscuro: #7b0c6e;
    --morado-logo: #5a2050;
    --rosa-claro: #fbeffd;
    --fondo-body: #fdf6ff;
    --texto-oscuro: #2d2d2d;
    --texto-suave: #555555;
    --blanco: #ffffff;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--fondo-body);
    color: #333;
    line-height: 1.6;
}

/* Tipografía Justificada y Controlada */
p {
    letter-spacing: normal;
    word-spacing: normal;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
}

/* ==============================================
   2. HEADER Y NAVEGACIÓN (Sticky & Dropdown)
   ============================================== */
header.main-header {
    background: var(--rosa-principal);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.content-header {
    background-color: var(--blanco) !important;
    box-shadow: none;
    z-index: unset !important;
}

.navbar {
    max-width: 1300px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 2rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--blanco);
}

.menu {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #3a2a34;
    font-weight: 600;
    position: relative;
    padding-bottom: 5px;
    transition: 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0; 
    height: 2px;
    background: var(--morado-oscuro);
    bottom: 0; 
    left: 0;
    transition: 0.3s ease;
}

.nav-link:hover::after { 
    width: 100%; 
}

/* Menú Desplegable (Dropdown) */
.dropdown { 
    position: relative; 
}

.dropdown-content {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    background: var(--blanco);
    min-width: 220px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    margin-top: 10px;
    padding: 10px 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
    border: 1px solid rgba(123, 12, 110, 0.1);
}

.dropdown::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 15px;
    bottom: -15px;
    left: 0;
}

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

.dropdown-content li {
    list-style: none;
}

.dropdown-content li a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    transition: 0.2s ease;
}

.dropdown-content li a:hover {
    background: var(--rosa-claro);
    color: var(--morado-oscuro);
    padding-left: 25px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--morado-logo);
    cursor: pointer;
}

/* ==============================================
   3. MAQUETACIÓN DE SUBPÁGINAS Y CONTENIDO
   ============================================== */
.subpage-container {
    max-width: 950px;
    margin: 3rem auto;
    background: var(--blanco);
    padding: 4rem;
    border-radius: 30px;
    box-shadow: 0 20px 40px rgba(123, 12, 110, 0.04);
}

.category-tag {
    color: var(--rosa-principal);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.content-header h2 {
    color: var(--morado-oscuro);
    font-size: 2.3rem;
    margin: 0.5rem 0 1rem;
    line-height: 1.3;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--rosa-principal);
    margin-bottom: 2.5rem;
}

.main-body p {
    color: var(--texto-suave);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.first-paragraph {
    font-size: 1.25rem !important;
    color: var(--morado-oscuro) !important;
    font-weight: 600;
    line-height: 1.5 !important;
    margin-bottom: 0.8rem !important;
}

.section-title {
    color: var(--morado-oscuro);
    font-size: 1.6rem;
    margin: 2.5rem 0 1rem;
    font-weight: 600;
}

.content-image-left {
    width: 340px;
    float: left;
    margin: 0 2.5rem 1.5rem 0;
    border-radius: 20px;
    box-shadow: 15px 15px 0px var(--rosa-claro);
}

h3 {
    color: var(--morado-oscuro);
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
}

/* ==============================================
   4. COMPONENTES Y BLOQUES DE INFORMACIÓN
   ============================================== */
.bloque {
    background: var(--fondo-body);
    border-left: 5px solid var(--rosa-principal);
    padding: 30px;
    border-radius: 0 16px 16px 0;
    margin: 2.5rem 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.01);
}

.bloque h4 {
    color: var(--morado-oscuro);
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    font-weight: 600;
}

.bloque-footer-text {
    margin-top: 1.2rem;
    font-style: italic;
    font-size: 0.98rem !important;
}

/* Listas Estilizadas internas */
.styled-list {
    list-style: none;
    padding-left: 0;
}

.styled-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 0.8rem;
    color: var(--texto-suave);
    font-size: 1rem;
    text-align: justify;
}

.styled-list li::before {
    content: "✦";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--rosa-principal);
    font-size: 1.1rem;
}

/* Tarjeta de Objetivos (¿Qué aprenderás?) */
.learning-objectives {
    background: var(--blanco) !important;
    border: 1px solid rgba(229, 141, 216, 0.3);
    border-radius: 20px;
    padding: 35px !important;
}

.objective-item {
    margin-bottom: 1.8rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed rgba(229, 141, 216, 0.2);
}

.objective-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.objective-item h5 {
    color: var(--morado-logo);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.objective-item p {
    font-size: 0.98rem !important;
    margin-bottom: 0;
}

/* Etiquetas del Laboratorio (Tags de Conceptos) */
.concept-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

.concept-tags li {
    background: var(--rosa-claro);
    color: var(--morado-oscuro);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    border: 1px solid rgba(123, 12, 110, 0.1);
    margin-bottom: 0;
}

/* Caja de Programa Académico (Syllabus) */
.syllabus-box {
    background: linear-gradient(135deg, #7b0c6e 0%, #5a2050 100%);
    border: none;
    border-radius: 20px;
    padding: 35px;
}

.syllabus-box h4 {
    color: var(--blanco) !important;
    margin-bottom: 0.5rem;
}

.syllabus-subtitle {
    color: var(--rosa-claro) !important;
    font-size: 0.95rem !important;
    opacity: 0.9;
}

.syllabus-list {
    list-style: none;
    padding-left: 0;
    margin-top: 1.5rem;
}

.syllabus-list li {
    color: var(--blanco) !important;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.08);
    margin-bottom: 10px;
    border-radius: 10px;
    font-size: 1rem;
    text-align: left;
    transition: transform 0.2s ease;
}

.syllabus-list li:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.12);
}

.syllabus-list li strong {
    color: var(--rosa-principal);
}

/* ==============================================
   5. BOTONES DE ACCIÓN (CTA)
   ============================================== */
.cta-container {
    text-align: center;
    margin-top: 3.5rem;
    clear: both;
}

.btn-leer {
    display: inline-block;
    padding: 14px 40px;
    font-weight: 600;
    font-size: 1.05rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.disabled-btn {
    background-color: #e0d5e2;
    color: #867588;
    border: 2px solid #d0c2d3;
    cursor: not-allowed;
}

.disabled-btn:hover {
    background-color: var(--rosa-claro);
    color: var(--morado-oscuro);
    border-color: var(--rosa-principal);
}

/* ==============================================
   6. FOOTER (SISTEMA INTEGRADO REPOSITORIO)
   ============================================== */
footer {
    padding-top: 40px;
    margin-top: 4rem;
}

.menu-footer {
    color: #520257;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 30px;
    padding-left: 30px;
    padding-right: 30px;
    max-width: 1300px;
    margin: auto;
}

.logo_footer img {
    width: 200px;
    height: 200px;
    object-fit: contain;
}

.menu-footer-list {
    border-right: 2px solid #520257;
    display: flex;
    flex-direction: column;
    margin-left: 40px;
    padding-right: 40px;
}

.menu-footer-list h2 {
    margin-bottom: 10px;
    font-size: 1.4rem;
}

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

.menu-footer ul li a {
    text-decoration: none;
    color: #520257;
    font-weight: 600;
    transition: color 0.2s ease;
}

.menu-footer ul li a:hover {
    color: var(--morado-oscuro);
}

.social-media {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-left: 40px;
}

.media-ico wa-icon {
    font-size: 30px;
    color: #520257;
    transition: transform 0.2s ease;
}

.media-ico wa-icon:hover {
    transform: scale(1.1);
}

.copyright {
    background: #520257;
    color: var(--blanco);
    text-align: center !important;
    padding: 1rem;
}

.copyright p {
    text-align: center !important;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ==============================================
   7. RESPONSIVE DESIGN (Media Queries)
   ============================================== */
@media (max-width: 900px) {
    .intro-section { 
        flex-direction: column; 
    }
}

@media (max-width: 768px) {
    /* Navbar móvil */
    .menu-toggle {
        display: block;
    }
    
    .navbar {
        padding: 1rem 1.5rem;
        flex-wrap: wrap; 
    }
    
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
        background: var(--rosa-principal);
        padding: 1rem 0;
    }
    
    .menu.active {
        display: flex;
    }
    
    .menu li {
        width: 100%;
        text-align: center;
        padding: 0.8rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.2);
    }
    
    .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        display: none; 
        transform: none;
        box-shadow: none;
        background: rgba(255,255,255,0.1);
        width: 100%;
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }

    .dropdown-content li a {
        text-align: center;
    }

    /* Estructura de contenido en móvil */
    .subpage-container {
        padding: 2.5rem 1.5rem;
        margin: 1.5rem 12px;
        border-radius: 20px;
    }
    
    .content-image-left {
        float: none;
        width: 100%;
        margin: 0 0 2rem 0;
        box-shadow: 10px 10px 0px var(--rosa-claro);
    }
    
    .bloque {
        padding: 20px;
    }
    
    .learning-objectives {
        padding: 20px !important;
    }

    /* Footer adaptativo */
    .menu-footer {
        flex-direction: column; 
        align-items: center;    
        text-align: center;
        gap: 30px;
    }

    .logo_footer img {
        width: 150px;
        height: 150px;
    }

    .menu-footer-list {
        border-right: none;   
        padding-right: 0;
        margin-left: 0;
    }

    .menu-footer-list ul li {
        margin-bottom: 10px;
    }

    .social-media {
        justify-content: center;
        margin-left: 0;
        gap: 20px;
    }

    .media-ico wa-icon {
        font-size: 38px; 
    }
}