/* ============================================================ */
/* ARCHIVO: index.css                                             */
/* ESTILOS PARA LA PÁGINA DE INICIO                              */
/* ============================================================ */

/* ============================================================
   GENERAL
   ============================================================ */
body {
    background-color: var(--bg-index);
}


main {
    max-width: 1200px;
    margin: 0 auto;
    overflow-y: auto;
}

/* ============================================================
   SECCIÓN 1: HERO
   ============================================================ */
.hero {
    background: linear-gradient(135deg, var(--navy) 0%, #1a3a5a 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-overlay {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-contenido {
    max-width: 800px;
    text-align: center;
}

.hero-titulo {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.2;
}

.hero-destacado {
    color: var(--accent-highlight);
}

.hero-subtitulo {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 var(--spacing-lg) 0;
    line-height: 1.6;
}

.hero-cta {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: var(--accent-action);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.hero-cta:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

/* ============================================================
   SECCIÓN 2: PRESENTACIÓN / IDENTIDAD MNG
   ============================================================ */
.presentacion-main {
    margin: 1rem 0;
    border-radius: 0.5rem;
    background: var(--bg-body);
    max-width: 1200px;
     padding: var(--spacing-2xl) var(--spacing-md);
    /* padding: 1rem 0; */
}
.presentacion {
    /* padding: var(--spacing-2xl) var(--spacing-md); */
    /* background: var(--bg-body); */
    display: flex;
    gap: 2rem;
    align-items: center;
    
   
    padding: var(--spacing-xl) var(--spacing-md);
    
}

.presentacion-contenido {
    max-width: 900px;
    margin: 0 auto;
}

/* ============================================================
   CONTENEDOR IZQUIERDO: IMAGEN (ancho fijo)
   ============================================================ */
.presentacion-imagen {
    flex: 0 0 20rem;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.presentacion-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.imagen-texto-superior {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    background: rgba(10, 37, 64, 0.7);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-style: italic;
}



.presentacion-texto {
    font-size: var(--font-size-lg);
    color: var(--navy);
    line-height: 1.6;
    /* text-align: center; */
    text-align: justify;
    font-style: italic;
    margin-right: 1rem;
}

.presentacion-texto p {
    margin: 0 0 var(--spacing-md) 0;
}

.presentacion-texto p:last-of-type {
    margin-bottom: 0;
}

.presentacion-frase {
    font-size: var(--font-size-3xl);
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    display: flex;
    height: 4rem;
    gap: 1rem 1rem;
    align-items: center;
    justify-content: center;
   
    /* margin-top: var(--spacing-md); */
    /* background: var(--bg-body); */
  
    /* border: 1px solid red; */
}


/* ============================================================
   RESPONSIVE - CELULARES
   ============================================================ */

/* Tablets y móviles */
@media (max-width: 992px) {
    .presentacion {
        flex-direction: column;
    }

    .presentacion-imagen {
        flex: 0 0 auto;
        width: 100%;
        height: 280px;
    }

    .presentacion-contenido {
        padding: var(--spacing-lg);
    }

    .presentacion-frase {
        font-size: 1.3rem;
    }
}

/* Móviles pequeños */
@media (max-width: 768px) {
    .presentacion-main {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .presentacion-frase {
        font-size: 1.1rem;
    }

    .presentacion-imagen {
        height: 220px;
        min-height: unset;
    }

    .imagen-texto-superior {
        font-size: 1.2rem;
        padding: 0.4rem 1rem;
        width: 95%;
    }

    .presentacion-contenido {
        padding: var(--spacing-md);
    }

    .presentacion-texto {
        font-size: var(--font-size-sm);
        line-height: 1.6;
    }

    .presentacion-texto p {
        margin-bottom: var(--spacing-sm);
    }

    .barra span {
        width: 12rem;        /* ← Más corta */
        height: 2px;
        margin: 0.5rem auto;
    }

    .barra span em {
        width: 6rem;         /* ← Más corta */
        height: 2px;
        margin: auto;
    }
}

/* Móviles muy pequeños */
@media (max-width: 480px) {
    .presentacion-frase {
        font-size: 1rem;
    }

    .presentacion-imagen {
        height: 180px;
    }

    .imagen-texto-superior {
        font-size: 1rem;
        padding: 0.3rem 0.8rem;
    }

    .presentacion-contenido {
        padding: var(--spacing-sm);
    }

    .presentacion-texto {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}


/* ============================================================
   SECCIÓN 3: VENTAJAS
   ============================================================ */
.ventajas {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--bg-body);
    margin: 1rem 0;
    border-radius: 0.5rem;
}

.ventajas-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.ventajas-titulo {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.ventajas-subtitulo {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================================
   VENTAJAS - GRID CON FLEX
   ============================================================ */
.ventajas-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.ventaja-card {
    flex: 1 1 calc(25% - 1.5rem);
    min-width: 200px;
    position: relative;
    border-radius: var(--radius-md, 12px);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--navy);
}

.ventaja-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* Imagen de fondo */
.ventaja-imagen {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.ventaja-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Texto encima de la imagen */
.ventaja-texto {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    background: rgba(10, 37, 64, 0.5);
    color: #ffffff;
    /* transition: background 0.3s ease; */
}

/* .ventaja-texto:hover {
    background: rgba(10, 37, 64, 0.3);
} */

.ventaja-titulo {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.ventaja-descripcion {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    line-height: 1.5;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablets: 2 columnas */
@media (max-width: 992px) {
    .ventaja-card {
        flex: 1 1 calc(50% - 1.5rem);
    }
}

/* Móviles: 1 columna */
@media (max-width: 768px) {
    .ventaja-card {
        flex: 1 1 100%;
        aspect-ratio: 16 / 9;
    }

    .ventaja-titulo {
        font-size: 1rem;
    }

    .ventaja-descripcion {
        font-size: 0.85rem;
    }
}

/* 
.ventajas-grid {
    display: flex;
   
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.ventaja-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    flex: 1;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.ventaja-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.ventaja-imagen {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);

    position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

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

.ventaja-texto {
   position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%; 
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  background-color: rgba(10, 37, 64, 0.5);
 
}

.ventaja-titulo {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
    margin: 0 0 var(--spacing-xs) 0;
}

.ventaja-descripcion {
    font-size: var(--font-size-sm);
    color: var(--text-label);
    margin: 0;
    line-height: 1.5;
} */

/* ============================================================
   SECCIÓN 4: CÓMO FUNCIONA
   ============================================================ */
.como-funciona {
    margin: 1rem 0;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--navy);
    /* border: 1px solid var(--gold); */
    border-radius: 0.5rem;
}

.como-funciona-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.como-funciona-titulo {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
    margin: 0 0 var(--spacing-xs) 0;
}

.como-funciona-subtitulo {
    font-size: var(--font-size-lg);
    color: var(--text-label);
    margin: 0;
}

.pasos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.paso-card {
    text-align: center;
    padding: var(--spacing-md);
}

.paso-numero {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    background: var(--accent-action);
    color: var(--text-inverse);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.paso-titulo {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
    margin: 0 0 var(--spacing-xs) 0;
}

.paso-descripcion {
    font-size: var(--font-size-sm);
    color: var(--text-label);
    margin: 0;
    line-height: 1.5;
}

/* ============================================================
   SECCIÓN 5: CURSOS DESTACADOS
   ============================================================ */
.cursos-destacados {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--bg-body);
    margin: 1rem 0;
    border-radius: 0.5rem;
}

.cursos-destacados-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.cursos-destacados-titulo {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.cursos-destacados-subtitulo {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin: 0;
}

.cursos-destacados-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.curso-destacado-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.curso-destacado-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.curso-destacado-imagen {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.curso-destacado-imagen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.curso-destacado-categoria {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--gold);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.curso-destacado-body {
    padding: var(--spacing-md);
}

.curso-destacado-titulo {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
}

.curso-destacado-descripcion {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
    line-height: 1.5;
    text-align: justify;
}

.curso-destacado-cta {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--navy);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.curso-destacado-cta:hover {
    background: var(--gold);
    color: var(--text-primary);
}

/* ============================================================
   SECCIÓN 6: CTA FINAL
   ============================================================ */
.cta-final {
    padding: var(--spacing-2xl) var(--spacing-md);
    background: var(--bg-header);
    text-align: center;
    margin: 1rem 0;
    border-radius: 0.5rem;
}

.cta-final-contenido {
    max-width: 800px;
    margin: 0 auto;
}

.cta-final-titulo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
    margin: 0 0 var(--spacing-sm) 0;
}

.cta-final-subtitulo {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 var(--spacing-lg) 0;
    line-height: 1.6;
}

.cta-final-boton {
    display: inline-block;
    padding: 0.5rem 2rem;
    margin: 1rem 1rem;
    background: var(--gold);
    color: var(--navy);
    border-radius: var(--radius-full);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.cta-final-boton:hover {
    background: #c9a020;
    transform: scale(1.02);
}

/* ============================================================
   SECCIÓN 7: SLIDER
   ============================================================ */
.slider-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 1rem 0;
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg, 0 10px 25px rgba(10, 37, 64, 0.12));
}

.slider-track {
    display: flex;
    transition: transform 0.6s ease-in-out;
    will-change: transform;
}

.slider-slide {
    flex: 0 0 100%;
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.slider-overlay {
    position: absolute;
    inset: 0;
    background: rgba(1, 45, 88, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    color: #ffffff;
}

/* ============================================================
   CONTENIDO DEL SLIDER CON ANIMACIÓN
   ============================================================ */
.slider-content {
    max-width: 900px;
    text-align: center;
    color: #ffffff;
    padding: 0 1rem;
}

.slider-titulo {
    font-size: 3.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--gold);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.slider-descripcion {
    font-size: 2.0rem;
    color: white;
    margin: 0 0 0.25rem 0;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
}

.slider-descripcion-extra {
    font-size: 1.2rem;
    color: var(--text-label);
    margin: 0 0 1.5rem 0;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.slider-boton {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: var(--teal, #00A88F);
    color: #ffffff;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 168, 143, 0.4);
}

.slider-boton:hover {
    background: var(--accent-hover, #008F7A);
    transform: scale(1.05);
}

/* ============================================================
   ANIMACIÓN DEL SLIDER (slideUp)
   ============================================================ */
.slider-slide.active .slider-content .slider-titulo,
.slider-slide.active .slider-content .slider-descripcion,
.slider-slide.active .slider-content .slider-descripcion-extra,
.slider-slide.active .slider-content .slider-boton {
    opacity: 0;
    transform: translateY(60px);
    animation: slideUp 0.8s ease forwards;
}

.slider-slide.active .slider-content .slider-titulo {
    animation-delay: 0.2s;
}

.slider-slide.active .slider-content .slider-descripcion {
    animation-delay: 0.4s;
}

.slider-slide.active .slider-content .slider-descripcion-extra {
    animation-delay: 0.6s;
}

.slider-slide.active .slider-content .slider-boton {
    animation-delay: 0.8s;
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   CONTROLES DEL SLIDER (botones)
   ============================================================ */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 37, 64, 0.6);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--teal, #00A88F);
}

.slider-btn-prev {
    left: 1rem;
}

.slider-btn-next {
    right: 1rem;
}

/* ============================================================
   INDICADORES (puntos)
   ============================================================ */
.slider-dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
    padding: 0;
}

.slider-dot.active {
    background: var(--teal, #00A88F);
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablets */
@media (max-width: 992px) {
    .ventajas-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

/* Móviles */
@media (max-width: 768px) {
    .hero-titulo {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitulo {
        font-size: var(--font-size-md);
    }

    .hero-cta {
        padding: 0.6rem 1.8rem;
        font-size: var(--font-size-sm);
    }

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

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

    .cursos-destacados-grid {
        grid-template-columns: 1fr;
    }

    .ventajas-titulo {
        font-size: var(--font-size-xl);
    }

    .como-funciona-titulo {
        font-size: var(--font-size-xl);
    }

    .cursos-destacados-titulo {
        font-size: var(--font-size-xl);
    }

    .cta-final-titulo {
        font-size: var(--font-size-xl);
    }

    .cta-final-subtitulo {
        font-size: var(--font-size-md);
    }

    /* Slider responsive */
    .slider-slide {
        height: 350px;
    }

    .slider-titulo {
        font-size: 1.8rem;
    }

    .slider-descripcion {
        font-size: 1rem;
    }

    .slider-descripcion-extra {
        font-size: 0.9rem;
    }

    .slider-boton {
        padding: 0.6rem 1.8rem;
        font-size: 0.9rem;
    }

    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    .slider-btn-prev {
        left: 0.5rem;
    }

    .slider-btn-next {
        right: 0.5rem;
    }

    .slider-dots {
        bottom: 1rem;
    }

    .slider-dot {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .slider-slide {
        height: 250px;
    }

    .slider-titulo {
        font-size: 1.3rem;
    }

    .slider-descripcion {
        font-size: 0.85rem;
    }

    .slider-descripcion-extra {
        font-size: 0.75rem;
    }

    .slider-boton {
        padding: 0.5rem 1.4rem;
        font-size: 0.8rem;
    }

    .slider-btn {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }
}