/* Estilos móviles para index.html (se cargan sólo hasta 768px) */

body.mobile-view {
    background-color: var(--light);
    color: var(--dark);
    font-size: 14px;
}

/* Header móvil fijo (estilo similar a About/Contact) */
.mobile-home-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #ffffff;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.mobile-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-back-btn {
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: none;
    background: #f1f5f9;
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
}

.mobile-header-logo {
    height: 32px;
    width: auto;
}

.mobile-header-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
}

.mobile-language-btn {
    min-width: 44px;
    height: 44px;
    padding: 0 10px;
    border-radius: 999px;
    border: none;
    background: #f1f5f9;
    color: var(--dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 1.1rem;
}

.mobile-language-btn span {
    font-size: 0.8rem;
    font-weight: 600;
}

/* Menú móvil */
.mobile-nav {
    position: fixed;
    inset: 0 25% 0 0;
    max-width: 280px;
    background: #ffffff;
    transform: translateX(-100%);
    transition: transform 0.25s ease-out;
    box-shadow: 4px 0 20px rgba(15, 23, 42, 0.18);
    display: flex;
    flex-direction: column;
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease-out;
    z-index: 900;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-header {
    display: flex;
    justify-content: flex-end;
    padding: 12px 14px;
    border-bottom: 1px solid #e5e7eb;
}

.mobile-close-btn {
    border: none;
    background: transparent;
    font-size: 1.25rem;
    color: #0f172a;
}

.mobile-nav-list {
    list-style: none;
    padding: 10px 0;
}

.mobile-nav-link {
    display: block;
    padding: 10px 18px;
    font-size: 0.98rem;
    color: #0f172a;
}

.mobile-nav-link.active,
.mobile-nav-link:active {
    background: #eff6ff;
    color: var(--primary);
}

.mobile-nav-footer {
    margin-top: auto;
    padding: 14px 16px 20px;
    border-top: 1px solid #e5e7eb;
}

.mobile-auth-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.mobile-language-selector {
    margin-top: 8px;
    display: none;
}

.mobile-language-selector.show {
    display: block;
}

.mobile-select {
    width: 100%;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
}

/* Botones móviles */
.mobile-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.mobile-btn-primary {
    background: var(--primary);
    color: #ffffff;
}

.mobile-btn-secondary {
    background: var(--secondary);
    color: var(--dark);
}

.mobile-btn-login {
    background: #e5e7eb;
    color: #0f172a;
}

.mobile-btn-large {
    padding: 12px 18px;
}

.mobile-btn-wide {
    width: 100%;
}

.mobile-btn-block {
    width: 100%;
}

.mobile-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.16);
}

/* Hero móvil */
.mobile-hero {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 28px 18px 18px;
    margin-top: 60px; /* espacio para el header fijo */
    background:
        linear-gradient(rgba(30, 64, 175, 0.45), rgba(30, 64, 175, 0.6)),
        url("../images/present.jpg") center/cover no-repeat;
    color: #ffffff;
}

.mobile-hero-title {
    font-size: 1.5rem;
    line-height: 1.3;
    margin-bottom: 8px;
}

.mobile-hero-subtitle {
    font-size: 0.98rem;
    opacity: 0.92;
}

.mobile-hero-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 18px;
}

.mobile-hero-image {
    margin-top: 6px;
    border-radius: 16px;
    overflow: hidden;
}

.mobile-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Secciones generales */
.mobile-section-header {
    padding: 22px 18px 6px;
}

.mobile-section-title {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 4px;
}

/* Título "Nuestro Curso de Español" centrado y subrayado */
.mobile-course-section .mobile-section-title {
    text-align: center;
    text-decoration: underline;
}

.mobile-section-subtitle {
    font-size: 0.92rem;
    color: var(--gray);
}

/* Curso móvil */
.mobile-course-section {
    background: linear-gradient(180deg, #e5f0ff 0%, #f1f5f9 40%, #ffffff 100%);
    padding: 52px 0 26px;
}

.mobile-course-section .mobile-section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 10px;
    padding: 0 18px;
}

.mobile-course-section .mobile-section-subtitle {
    max-width: 520px;
    margin: 0 auto 14px;
    line-height: 1.5;
}

.mobile-course-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 6px 16px 0;
}

.mobile-course-card {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    padding: 14px 14px 12px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
    border: 1px solid #e2e8f0;
    transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.mobile-course-card:active {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.12);
}

.mobile-course-featured {
    border-color: #bfdbfe;
}

.mobile-course-badge {
    position: absolute;
    top: 10px;
    right: 12px;
    background: #f97316;
    color: #ffffff;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 999px;
}

.mobile-course-icon {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.4rem;
}

.mobile-course-title {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.mobile-course-description {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 10px;
}

.mobile-course-cta {
    padding: 18px 16px 4px;
    text-align: center;
}

.mobile-course-cta .mobile-btn {
    max-width: 320px;
    width: 100%;
    margin: 0 auto;
}

/* Testimonios */
.mobile-testimonials {
    background: #e5f0ff;
    padding: 26px 16px 30px;
}

.mobile-testimonials-card {
    background: linear-gradient(180deg, #ffffff 0%, #f9fafb 50%, #eef2ff 100%);
    border-radius: 20px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
    max-width: 720px;
    margin: 0 auto;
    padding: 18px 0 20px;
}

.mobile-testimonials .mobile-section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 10px;
    padding: 0 18px;
}

.mobile-testimonials .mobile-section-title {
    position: relative;
    animation: testimonialHeaderFadeIn 0.7s ease-out;
}

.mobile-testimonials .mobile-section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--primary);
    animation: testimonialHeaderUnderline 0.7s 0.1s ease-out forwards;
}

.mobile-testimonials .mobile-section-subtitle {
    max-width: 520px;
    margin: 0 auto;
    font-size: 0.9rem;
    line-height: 1.5;
}

.mobile-testimonial-slider {
    margin-top: 14px;
    padding: 0 18px 4px;
}

.mobile-testimonial-slide {
    display: none;
}

.mobile-testimonial-slide.active {
    display: block;
}

.mobile-testimonial-video {
    background: #0f172a;
    border-radius: 16px;
    padding: 6px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.4);
    max-width: 100%;
    overflow: hidden;
}

.mobile-testimonial-video video {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
    aspect-ratio: 16 / 9;
}

.mobile-testimonial-name {
    margin-top: 10px;
    font-weight: 600;
    text-align: center;
    font-size: 1.05rem;
}

.mobile-testimonial-quote {
    background: #f9fafb;
    border-radius: 16px;
    padding: 18px 16px;
    font-size: 0.92rem;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.mobile-testimonial-quote .mobile-testimonial-name {
    text-decoration: underline;
}

.mobile-testimonial-slide.active .mobile-testimonial-name,
.mobile-testimonial-slide.active .mobile-testimonial-quote {
    animation: testimonialFadeInUp 0.45s ease-out;
}

.mobile-slider-controls {
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.mobile-slider-prev,
.mobile-slider-next {
    border-radius: 999px;
    border: none;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #e5e7eb;
}

.mobile-slider-prev i,
.mobile-slider-next i {
    color: #0f172a;
}

.mobile-slider-dots {
    display: flex;
    gap: 6px;
}

.mobile-slider-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: #cbd5f5;
    transition: width 0.16s ease, background 0.16s ease;
}

.mobile-slider-dot.active {
    width: 20px;
    background: var(--primary);
}

/* Test de nivel */
.mobile-test-section {
    background: #f1f5f9;
    padding: 22px 16px 26px;
}

.mobile-test-container {
    background: #ffffff;
    border-radius: 16px;
    padding: 18px 16px 20px;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

.mobile-test-icon {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 6px;
}

/* Bottom Navigation (icon bar) */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--gray);
    font-size: 0.75rem;
    gap: 4px;
    flex: 1;
    height: 100%;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-nav-item i {
    font-size: 1.25rem;
}

.mobile-nav-item.active {
    color: var(--primary);
}

.mobile-nav-item.active i {
    color: var(--primary);
}

/* Dropdown de usuario en la barra inferior */
.mobile-user-dropdown {
    position: fixed;
    left: 50%;
    bottom: 72px; /* altura de la nav (60px) + margen */
    transform: translateX(-50%);
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 12px 25px rgba(15, 23, 42, 0.35);
    padding: 6px 0;
    min-width: 200px;
    z-index: 1100;
    display: none;
}

.mobile-user-dropdown.active {
    display: block;
}

.mobile-user-dropdown-item {
    width: 100%;
    padding: 10px 18px;
    text-align: left;
    background: transparent;
    border: none;
    font-size: 0.9rem;
    color: #0f172a;
    cursor: pointer;
}

.mobile-user-dropdown-item + .mobile-user-dropdown-item {
    border-top: 1px solid #e2e8f0;
}

.mobile-user-dropdown-item:active {
    background: #eff6ff;
}

.mobile-test-title {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.mobile-test-description {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 12px;
}

.mobile-test-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.mobile-test-stat-number {
    font-weight: 700;
    font-size: 0.95rem;
}

.mobile-test-stat-label {
    font-size: 0.75rem;
    color: var(--gray);
}

/* Footer móvil */
.mobile-footer {
    background: #0f172a;
    color: #e5e7eb;
    padding: 40px 16px 80px;
    margin-top: 40px;
    position: relative;
}

.mobile-footer-title {
    font-size: 1rem;
    color: var(--secondary);
    margin-bottom: 6px;
}

.mobile-footer-logo {
    width: 120px;
    height: auto;
    margin-bottom: 16px;
}

.mobile-footer-text {
    font-size: 0.95rem;
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.5;
}

.mobile-footer-section {
    margin-bottom: 14px;
}

.mobile-footer-link {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.mobile-footer-social {
    display: flex;
    gap: 10px;
}

.mobile-social-link {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.25);
}

.mobile-footer-contact {
    list-style: none;
}

.mobile-footer-contact li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    opacity: 0.8;
}

.mobile-footer-contact i {
    color: var(--primary);
    margin-top: 2px;
}

.mobile-footeropyright {
    text-align: center;
    padding-top: 24px;
    margin-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.6;
}

.mobile-whatsapp-button {
    position: fixed;
    right: 18px;
    bottom: 80px;
    width: 52px;
    height: 52px;
    border-radius: 999px;
    background: #22c55e;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(22, 163, 74, 0.55);
    z-index: 1100;
}

/* Modales móviles */
.mobile-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.mobile-modal.active {
    display: flex;
}

.mobile-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
}

.mobile-modal-content {
    position: relative;
    z-index: 1;
    width: 90%;
    max-width: 380px;
    background: #ffffff;
    border-radius: 16px;
    padding: 16px 16px 18px;
}

.mobile-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.mobile-modal-title {
    font-size: 1.05rem;
    font-weight: 600;
}

.mobile-modal-close {
    border: none;
    background: transparent;
    font-size: 1.2rem;
}

.mobile-modal-body {
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.mobile-login-form .mobile-form-group {
    margin-bottom: 10px;
}

.mobile-login-form input {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

/* Modal de selección de idioma (mismo estilo que otras páginas móviles) */
.mobile-language-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
}

.mobile-language-option {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: #f9fafb;
    font-size: 0.98rem;
    font-weight: 600;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.mobile-language-option i {
    font-size: 1rem;
}

.mobile-language-option:active {
    transform: scale(0.98);
}

.mobile-language-option.active {
    border-color: var(--primary);
    background: var(--primary);
    color: #ffffff;
}

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

@keyframes testimonialHeaderFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes testimonialHeaderUnderline {
    from {
        width: 0;
    }
    to {
        width: 60%;
    }
}

/* Utilidades */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}