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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background-color: #ffffff;
    color: #222222;
}

/* NAV - Gris Oscuro Translucido */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(59, 59, 59, 0.85); /* CAMBIADO: Color #3B3B3B con opacidad */
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(181, 211, 37, 0.3);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 25px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 65px;
    display: flex;
    align-items: center;
}

.cleveland-logo {
    height: 100%;
    width: auto;
    filter: brightness(1.05);
}

/* Menú */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-menu a {
    color: #ffffff;            /* CAMBIADO: Letras blancas */
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: #B5D325;           /* CONSERVADO: Mismo hover original */
}

/* Submenú desplegable: Cleveland */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown-toggle::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 2px solid #ffffff;
    border-bottom: 2px solid #ffffff;
    transform: rotate(45deg);
    margin-top: -4px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.nav-dropdown:hover .dropdown-toggle::after,
.nav-dropdown:focus-within .dropdown-toggle::after {
    transform: rotate(-135deg);
    margin-top: 4px;
    border-color: #B5D325;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 18px;
    min-width: 230px;
    list-style: none;
    background: rgba(59, 59, 59, 0.97);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(181, 211, 37, 0.3);
    border-radius: 12px;
    padding: 10px 0;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

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

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: 12px 22px;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: all 0.25s ease;
}

.dropdown-menu a:hover {
    color: #1f2a1a;
    background-color: #B5D325;
}

/* Botón Animado */
.animated-button {
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 32px;
    border: 4px solid transparent;
    font-size: 16px;
    background-color: transparent; /* Ajustado para que no herede el fondo oscuro */
    border-radius: 100px;
    font-weight: 600;
    color: #ffffff;                /* CAMBIADO: Texto del botón en blanco para contrastar con el nav */
    box-shadow: 0 0 0 2px #B5D325;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.animated-button svg {
    position: absolute;
    width: 24px;
    fill: #B5D325;
    z-index: 9;
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.animated-button .arr-1 { right: 16px; }
.animated-button .arr-2 { left: -25%; }

.animated-button .circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background-color: #B5D325;
    border-radius: 50%;
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Alineación fina del texto y tamaño de iconos SVG */
.animated-button .text {
    position: relative;
    z-index: 1;
    transform: translateX(-8px); /* Ligera corrección de desplazamiento */
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.animated-button:hover {
    box-shadow: 0 0 0 12px transparent;
    color: #1f2a1a;                /* CONSERVADO: Al pasar el mouse cambia al color oscuro original */
    border-radius: 12px;
}

.animated-button:hover .arr-1 { right: -25%; }
.animated-button:hover .arr-2 { left: 16px; }
.animated-button:hover .text { 
    transform: translateX(8px); }
.animated-button:hover svg { fill: #1f2a1a; }

.animated-button:active {
    scale: 0.95;
    box-shadow: 0 0 0 4px #B5D325;
}

/* Ajuste de ancho de la animación del círculo para textos más largos */
.animated-button:hover .circle {
    width: 300px; /* Aumentado de 220px a 300px para cubrir todo el botón */
    height: 300px;
    opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-menu { gap: 20px; font-size: 1rem; }
    .nav-container { padding: 0 20px; }
}

@media (max-width: 768px) {
    .nav-container { padding: 0 15px; }
    .nav-menu { display: none; }
}

/* HERO SECTION */
.hero {
    height: 100vh;
    min-height: 700px;
    background-image: url('img/Banner-1-1024x717.jpg'); /* Ruta corregida */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-top: -90px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.45), rgba(30,74,50,0.65));
    display: flex;
    align-items: flex-end; /* CAMBIADO: Empuja el contenido hacia abajo */
    justify-content: center;
    padding-bottom: 80px;  /* NUEVO: Margen inferior para que no toque el borde de la pantalla */
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    margin-bottom: 20px;   /* NUEVO: Asegura una separación base */
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 0 4px 15px rgba(0,0,0,0.6);
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.hero-button {
    padding: 16px 40px;
    font-size: 1.2rem;
    background-color: #B5D325;
    color: #1f2a1a;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-button:hover {
    background-color: #a3c617;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(181, 211, 37, 0.4);
}

/* ==========================================================================
   SECCIÓN CLASES PRESENCIALES - COMPLETAMENTE PEGADO SIN ESPACIOS BLANCOS
   ========================================================================== */
/* SECCIÓN CLASES PRESENCIALES */
.classes-section {
    position: relative;
    padding: 100px 20px;
    /* CAMBIO AQUÍ: Añadimos la imagen de fondo apuntando a tu nueva carpeta */
    background-image: url('img/Banner-13-1024x717.png'); 
    background-color: #ffffff;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Mantiene el efecto de fondo fijo si te gusta */
    overflow: hidden;
}

/* Contenedor interno para dar aire al texto pero manteniendo el fondo pegado */
.classes-content-overlay {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 40px; /* Controla la altura interna de la sección desde aquí */
}

.classes-section {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
}

.classes-section h2 {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 2.8rem;
    color: #1f2a1a;
    margin-bottom: 50px;
    text-align: center;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.classes-section h2 strong {
    color: #B5D325;
}

/* Caja de contenido dividido */
.split-container {
    width: 100%;
    display: flex;
    flex-direction: column;   /* CAMBIADO: apilado en vez de lado a lado */
    align-items: center;
    gap: 50px;
}

/* Contenedor del botón (ahora centrado arriba) */
.button-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center; /* Centra el botón horizontalmente */
}

/* El diseño, color y hover del botón ya se aplican automáticamente 
   gracias a la clase reutilizable .hero-button que definiste al inicio */

/* LISTA DE INFORMACIÓN: ahora en formato de tarjetas en cuadrícula,
   así el texto ya no se extiende de lado a lado sino que se acomoda
   en columnas compactas y fáciles de leer */
.text-features-list {
    width: 100%;
    max-width: 1000px;
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px 30px;
}

.text-features-list li {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 1.15rem;
    color: #111111;
    line-height: 1.5;
    font-weight: 700;
    position: relative;
    padding: 18px 20px 18px 48px;
    background: rgba(255, 255, 255, 0.308);
    border-left: 4px solid #B5D325;
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

/* Viñetas institucionales reforzadas */
.text-features-list li::before {
    content: "✓";             /* Checkmark clásico */
    position: absolute;
    left: 18px;
    top: 18px;
    font-size: 1.2rem;
    color: #a3c617;           /* El color verde brillante de tu marca */
    font-weight: 700;
}

/* Diseño elástico en móviles - classes-section */
@media (max-width: 992px) {
    .classes-content-overlay {
        padding: 60px 24px;
    }

    .split-container {
        gap: 35px;
    }

    .text-features-list {
        grid-template-columns: 1fr; /* Una sola columna en móviles/tablets */
        max-width: 100%;
    }

    .classes-section h2 {
        font-size: 2.1rem;
        margin-bottom: 30px;
    }
}

/* ==========================================================================
   SECCIÓN APRENDIZAJE INTERACTIVO
   ========================================================================== */
.interactive-section {
    padding: 100px 20px;
    background-color: #ffffff;
    text-align: center;
}

.interactive-content {
    max-width: 1400px;
    margin: 0 auto;
}

.interactive-section h2 {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: #1f2a1a;
    letter-spacing: -0.5px;
    margin-bottom: 25px;
}

.interactive-section h2 strong {
    color: #B5D325;
}

.interactive-text {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    max-width: 900px;
    margin: 0 auto 60px;
    color: #444444;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Círculos con iconos: al hacer hover revelan su información */
.icon-circles {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 50px;
    padding-bottom: 40px; /* Espacio para que el panel de info no se corte */
}

.icon-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.icon-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 2px solid #B5D325;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.icon-circle svg {
    width: 50px;
    height: 50px;
    fill: #B5D325;
    transition: all 0.3s ease;
}

.icon-item:hover .icon-circle {
    background-color: #B5D325;
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(181, 211, 37, 0.4);
}

.icon-item:hover .icon-circle svg {
    fill: #ffffff;
}

/* Panel de información que aparece al hacer hover/focus */
.icon-info {
    position: absolute;
    top: 150px;
    left: 50%;
    transform: translate(-50%, -10px);
    width: 240px;
    background-color: #ffffff;
    border: 1px solid rgba(181, 211, 37, 0.5);
    border-radius: 12px;
    padding: 18px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 20;
    text-align: center;
}

.icon-info h3 {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 1.05rem;
    color: #1f2a1a;
    font-weight: 700;
    margin-bottom: 8px;
}

.icon-info p {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 0.9rem;
    color: #444444;
    line-height: 1.5;
}

.icon-item:hover .icon-info,
.icon-item:focus-within .icon-info {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

@media (max-width: 768px) {
    .interactive-section h2 {
        font-size: 2.1rem;
    }

    .icon-circles {
        gap: 60px 30px;
    }

    .icon-circle {
        width: 110px;
        height: 110px;
    }

    .icon-circle svg {
        width: 40px;
        height: 40px;
    }

    .icon-info {
        top: 120px;
        width: 200px;
        padding: 14px 16px;
    }
}

/* ==========================================================================
   SECCIÓN CLASES GRATIS
   ========================================================================== */
.free-classes-section {
    position: relative;
    min-height: 480px;
    margin-top: 60px; /* Separación respecto a la sección de arriba */
    background-image: url('img/Image-2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
}

.free-classes-overlay {
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.55), rgba(30, 74, 50, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 20px;
}

.free-classes-content {
    text-align: center;
    max-width: 850px;
    padding: 0 20px;
}

.free-classes-content h2 {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 2.6rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.free-classes-content h2 strong:first-of-type {
    color: #B5D325;
}

.free-classes-content h2 strong:last-of-type {
    color: #ffffff;
}

.free-classes-divider {
    width: 90px;
    height: 3px;
    background-color: #B5D325;
    margin: 22px auto 30px;
}

.free-classes-content p {
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    font-size: 1.05rem;
    color: #ffffff;
    line-height: 1.7;
    margin-bottom: 40px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .free-classes-content h2 {
        font-size: 1.9rem;
    }

    .free-classes-overlay {
        padding: 60px 20px;
    }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
    background-color: #3B3B3B; /* Mismo tono que el nav */
    color: #ffffff;
    font-family: 'Montserrat', 'Segoe UI', system-ui, sans-serif;
    padding-top: 70px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 25px 50px;
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    justify-content: space-between;
}

.footer-col {
    flex: 1 1 220px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    color: #B5D325;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.footer-contact {
    list-style: none;
    margin-bottom: 25px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #cfcfcf;
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.footer-contact svg {
    width: 16px;
    height: 16px;
    fill: #B5D325;
    flex-shrink: 0;
}

.footer-contact a {
    color: #cfcfcf;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: #B5D325;
}

.footer-socials {
    display: flex;
    gap: 14px;
}

.social-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-circle svg {
    width: 18px;
    height: 18px;
    fill: #ffffff;
    transition: all 0.3s ease;
}

.social-circle:hover {
    background-color: #B5D325;
    transform: translateY(-4px);
}

.social-circle:hover svg {
    fill: #1f2a1a;
}

.footer-levels h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 22px;
}

.footer-levels ul {
    list-style: none;
}

.footer-levels li {
    margin-bottom: 13px;
}

.footer-levels a {
    color: #a8a8a8;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-levels a:hover {
    color: #B5D325;
}

.footer-actions {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s ease;
    border: 2px solid #B5D325;
}

.footer-btn-outline {
    background-color: transparent;
    color: #ffffff;
}

.footer-btn-outline:hover {
    background-color: #B5D325;
    color: #1f2a1a;
}

.footer-btn-solid {
    background-color: #B5D325;
    color: #1f2a1a;
}

.footer-btn-solid:hover {
    background-color: transparent;
    color: #ffffff;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: #b5b5b5;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #B5D325;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Botón circular para volver arriba: flotante, aparece al hacer scroll */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #B5D325;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(181, 211, 37, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    animation: float-updown 2.4s ease-in-out infinite;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    fill: #1f2a1a;
    transition: transform 0.3s ease;
}

.back-to-top:hover {
    background-color: #a3c617;
    transform: scale(1.12);
    box-shadow: 0 8px 22px rgba(181, 211, 37, 0.55);
    animation-play-state: paused;
}

.back-to-top:hover svg {
    transform: translateY(-3px);
}

@keyframes float-updown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 46px;
        height: 46px;
    }
}

@media (max-width: 768px) {
    .footer-container {
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}