/* -- Variables CSS para fácil mantenimiento -- */
:root {
    --primary-color: #ffdd00;
    --dark-bg: #1a1a1a;
    --dark-card-bg: #2c2c2c;
    --light-card-bg: #333;
    --text-light: #ffffff;
    --text-dark: #000000;
    --text-muted: #ccc;
    --border-color-dark: #444;
    --border-color-medium: #555;
    --font-primary: 'Anton', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
}

/* -- Estilos Generales -- */
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-secondary);
    background-color: var(--dark-bg);
    color: var(--text-light);
    margin: 0;
    padding: 0;
    background-image: url('https://www.transparenttextures.com/patterns/dark-denim-3.png');
    line-height: 1.6;
}
.main-content {
    padding: 20px;
    overflow-x: hidden;
}

/* -- Encabezado y Navegación -- */
.header {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--text-dark);
    border-bottom: 5px solid var(--primary-color);
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://i.imgur.com/rC9uVKy.png');
    background-size: cover;
    background-position: center;
}
.header .logo { margin-bottom: 20px; }
.header .logo img { width: 200px; height: auto; }
.header h2 { font-family: var(--font-primary); color: var(--primary-color); font-size: 2em; margin: 0; }

.navigation { 
    background-color: #222; 
    padding: 15px 20px; 
    border-bottom: 2px solid var(--primary-color); 
    position: sticky; 
    top: 0; 
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}
.navigation .nav-list { list-style: none; padding: 0; margin: 0; display: flex; }
.navigation .nav-list li { margin: 0 15px; }
.navigation .nav-list li a { 
    color: var(--text-light); 
    text-decoration: none; 
    font-weight: bold; 
    transition: color 0.3s ease;
    position: relative;
    padding: 5px 0;
}
.navigation .nav-list li a::after {
    content: ''; position: absolute; width: 0; height: 2px;
    bottom: 0; left: 50%; transform: translateX(-50%);
    background-color: var(--primary-color);
    transition: width 0.3s ease-in-out;
}
.navigation .nav-list li a:hover { color: var(--primary-color); }
.navigation .nav-list li a:hover::after { width: 100%; }
.menu-toggle { display: none; background: none; border: none; color: var(--text-light); font-size: 1.8em; cursor: pointer; }

/* -- Títulos y Textos de Sección -- */
.section-title {
    font-family: var(--font-primary);
    font-size: 3em;
    color: var(--primary-color);
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 40px;
}
.section-intro-text {
    text-align: center; max-width: 800px; margin: 0 auto 40px; font-size: 1.1em;
    line-height: 1.7; color: var(--text-muted); background-color: rgba(44, 44, 44, 0.5);
    padding: 25px; border-radius: 8px; border-left: 5px solid var(--primary-color);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* -- Botón de Acción General (CTA) -- */
.cta-button {
    background-color: var(--primary-color);
    color: var(--text-dark);
    font-family: var(--font-primary);
    text-decoration: none;
    padding: 15px 30px;
    font-size: 1.1em;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    box-sizing: border-box;
    text-align: center;
}
.cta-button:hover {
    background-color: var(--text-light);
    transform: scale(1.05);
}

/* -- Secciones -- */
section { padding: 40px 20px; }

/* Tarifas */
.tarifas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
.tarifa-card { background-color: var(--dark-card-bg); border: 2px solid var(--border-color-dark); border-radius: 15px; padding: 30px; display: flex; flex-direction: column; text-align: center; box-shadow: 0 5px 15px rgba(0,0,0,0.4); transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; overflow: hidden; }
.tarifa-card:hover { transform: translateY(-10px); box-shadow: 0 10px 25px rgba(0,0,0,0.6); border-color: var(--primary-color); }
.tarifa-card h3 { font-family: var(--font-primary); font-size: 1.6em; color: var(--primary-color); margin: 0 0 15px; }
.tarifa-card .precio { font-family: var(--font-primary); font-size: 2.8em; color: var(--text-light); margin: 0; line-height: 1; }
.tarifa-card .ahorro-badge { display: block; font-size: 0.4em; color: var(--primary-color); font-family: var(--font-secondary); font-weight: bold; }
.tarifa-card .descripcion-tarifa { color: var(--text-muted); font-size: 0.95em; margin: 15px 0; flex-grow: 1; min-height: 60px; }
.tarifa-card .cta-button { width: 100%; margin-top: auto; }
.tarifa-card.featured-plan { border-color: var(--primary-color); transform: scale(1.05); background: linear-gradient(145deg, #3a3a3a, #1f1f1f); }
.popular-badge { position: absolute; top: -1px; left: 50%; transform: translateX(-50%); background-color: var(--primary-color); color: var(--text-dark); font-weight: bold; padding: 5px 25px; font-size: 0.9em; border-radius: 0 0 10px 10px; }
.planes-ocultos-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; max-height: 0; overflow: hidden; transition: max-height 0.8s ease-in-out, margin-top 0.8s ease-in-out; }
.planes-ocultos-container.expanded { max-height: 1000px; margin-top: 30px; }
.text-center { text-align: center; margin-top: 2rem; }
#toggle-plans-btn { background-color: #333; border: 2px solid var(--primary-color); padding: 12px 25px; font-size: 1rem; display: inline-flex; align-items: center; gap: 10px; }
#toggle-plans-btn:hover { background-color: var(--primary-color); color: #000; }
#toggle-plans-btn::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; transition: transform 0.4s ease; }
#toggle-plans-btn.expanded::after { transform: rotate(180deg); }

/* Servicios */
.servicios-section { background-color: #111; }
.servicios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.servicio-card { background-color: var(--dark-card-bg); padding: 30px; border-radius: 10px; text-align: center; box-shadow: 0 4px 10px rgba(0,0,0,0.6); transition: transform 0.3s ease; }
.servicio-card:hover { transform: scale(1.05); }
.servicio-card i { font-size: 2.5em; color: var(--primary-color); margin-bottom: 15px; }
.servicio-card h3 { font-family: var(--font-primary); font-size: 1.5em; margin-bottom: 10px; }

/* Generador de Rutinas IA */
#gemini-planner { background-color: #222; }
.planner-container { max-width: 900px; margin: 0 auto; background-color: var(--dark-card-bg); padding: 30px; border-radius: 10px; border-left: 5px solid var(--primary-color); }
.planner-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 25px; }
.planner-form .form-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(--text-muted); }
.planner-form .form-group select { width: 100%; padding: 12px; background-color: var(--light-card-bg); border: 2px solid var(--border-color-medium); border-radius: 5px; color: var(--text-light); font-size: 1em; }
#generate-routine-btn { grid-column: 1 / -1; font-family: var(--font-primary); font-size: 1.2em; padding: 15px; }
#routine-result { margin-top: 20px; background-color: #1a1a1a; padding: 20px; border-radius: 5px; min-height: 100px; white-space: pre-wrap; line-height: 1.7; color: #eee; }
.loader { display: none; margin: 20px auto; border: 5px solid #f3f3f3; border-top: 5px solid var(--primary-color); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* --- MODIFICACIÓN 3: Estilo para la advertencia --- */
.routine-disclaimer {
    font-size: 0.9em;
    color: var(--text-muted);
    text-align: center;
    margin-top: 25px;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.2);
    border-left: 3px solid var(--primary-color);
    border-radius: 0 5px 5px 0;
}

/* Horarios */
.horarios-section { background-color: #111; }
.horarios-container { max-width: 1000px; margin: 0 auto; overflow-x: auto; }
.horarios-table { width: 100%; border-collapse: collapse; text-align: center; }
.horarios-table th, .horarios-table td { padding: 15px; border: 1px solid var(--border-color-medium); }
.horarios-table thead th { background-color: var(--primary-color); color: var(--text-dark); font-family: var(--font-primary); font-size: 1.2em; }
.horarios-table tbody td { background-color: var(--dark-card-bg); }
.horarios-table tbody tr:nth-child(even) td { background-color: var(--light-card-bg); }

/* Entrenadores */
.entrenadores-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; max-width: 1000px; margin: 0 auto; }
.entrenador-card { background-color: var(--dark-card-bg); border-radius: 10px; text-align: center; padding-bottom: 20px; overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.6); transition: transform 0.3s ease; }
.entrenador-card:hover { transform: translateY(-10px); }
.entrenador-card img { width: 100%; height: 300px; object-fit: cover; }
.entrenador-card h3 { font-family: var(--font-primary); color: var(--primary-color); margin: 15px 0 5px; }
.entrenador-card p { color: var(--text-muted); margin: 0 10px; }

/* Beneficios */
.beneficios-section { background-color: #111; }
.beneficios-list { list-style: none; padding: 0; margin: 0 auto; max-width: 800px; }
.beneficios-list li { font-size: 1.1em; padding: 15px 0; border-bottom: 1px solid var(--light-card-bg); display: flex; align-items: center; }
.beneficios-list li i { color: var(--primary-color); margin-right: 15px; font-size: 1.2em; }
.beneficios-list li:last-child { border-bottom: none; }

/* Redes Sociales */
.social-media-section { background-color: #222; }
.social-media-grid { display: grid; grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
.social-card { background-color: var(--dark-card-bg); border-radius: 10px; padding: 20px; box-shadow: 0 4px 15px rgba(0,0,0,0.5); }

/* Galería */
.galeria-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.galeria-item { position: relative; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 10px rgba(0,0,0,0.7); }
.galeria-item img { width: 100%; height: 250px; object-fit: cover; display: block; transition: transform 0.4s ease; }
.galeria-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0, 0, 0, 0.7); color: var(--text-light); text-align: center; padding: 15px; font-family: var(--font-primary); font-size: 1.4em; opacity: 0; transform: translateY(100%); transition: opacity 0.4s ease, transform 0.4s ease; }
.galeria-item:hover img { transform: scale(1.1); }
.galeria-item:hover .galeria-overlay { opacity: 1; transform: translateY(0); }

/* Contacto */
.contacto-section { background-color: #222; }
.contacto-container { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 1200px; margin: 0 auto; }
.contacto-info h3, .contact-form-wrapper h3 { font-family: var(--font-primary); font-size: 1.8em; color: var(--primary-color); margin-bottom: 20px; }
.contacto-info { background: var(--light-card-bg); padding: 20px; border-radius: 8px; }
.contacto-info p { margin-bottom: 15px; font-size: 1.1em; display: flex; align-items: center; }
.contacto-info i { color: var(--primary-color); margin-right: 15px; width: 20px; text-align: center; }
.contacto-info a { color: #eee; text-decoration: none; transition: color 0.3s ease; }
.contacto-info a:hover { color: var(--primary-color); }
.mapa { margin-top: 20px; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.6); }
.mapa iframe { width: 100%; height: 350px; border: 0; }
.contact-form .form-group { margin-bottom: 20px; }
.contact-form label { display: block; margin-bottom: 5px; font-weight: bold; color: var(--text-muted); }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px; background-color: var(--light-card-bg); border: 2px solid var(--border-color-medium); border-radius: 5px; color: var(--text-light); font-size: 1em; box-sizing: border-box; transition: border-color 0.3s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary-color); outline: none; }
.submit-btn { background-color: var(--primary-color); color: var(--text-dark); font-family: var(--font-primary); text-decoration: none; padding: 15px 30px; font-size: 1.2em; border-radius: 50px; border: none; cursor: pointer; transition: background-color 0.3s ease; width: 100%; }
.submit-btn:hover { background-color: var(--text-light); }

/* Footer */
.footer { background-color: var(--text-dark); padding: 40px 20px; border-top: 5px solid var(--primary-color); }
.footer-container { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; max-width: 1200px; margin: 0 auto; gap: 20px; }
.footer-col { flex: 1; min-width: 250px; }
.footer-links a { color: #ccc; text-decoration: none; margin: 0 10px; transition: color 0.3s; }
.footer-links a:hover { color: var(--primary-color); }
.footer .social-icons { display: flex; gap: 15px; margin-top: 10px; }
.footer .social-icons a { display: inline-flex; justify-content: center; align-items: center; width: 45px; height: 45px; background-color: #333; color: #fff; border-radius: 50%; font-size: 1.2rem; transition: all 0.3s ease; border: 2px solid #555; text-decoration: none; }
.footer .social-icons a:hover { transform: translateY(-5px) scale(1.1); }
.footer .social-icons a[aria-label="Instagram"]:hover { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%,#d6249f 60%,#285AEB 90%); border-color: #fff; }
.footer .social-icons a[aria-label="Facebook"]:hover { background-color: #1877F2; border-color: #1877F2; }
.footer .social-icons a[aria-label="YouTube"]:hover { background-color: #FF0000; border-color: #FF0000; }
.footer .social-icons a[aria-label="TikTok"]:hover { background-color: #000000; border-color: #fff; }

/* -- Componentes Flotantes (Popup, Modal, WhatsApp) -- */
.popup-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.75); display: none; justify-content: center; align-items: center; z-index: 2000; backdrop-filter: blur(5px); animation: fadeIn 0.3s ease-in-out; }
.popup-overlay.closing { animation: fadeOut 0.4s ease-in-out forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }
.popup-content { background: #2c2c2c; color: #fff; padding: 2rem; border-radius: 12px; text-align: center; position: relative; max-width: 500px; width: 90%; border: 2px solid var(--primary-color); box-shadow: 0 5px 20px rgba(0,0,0,0.5); animation: slideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.popup-overlay.closing .popup-content { animation: slideOut 0.4s cubic-bezier(0.55, 0.085, 0.68, 0.53) forwards; }
@keyframes slideIn { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideOut { from { transform: translateY(0); opacity: 1; } to { transform: translateY(50px); opacity: 0; } }
.popup-close { position: absolute; top: 10px; right: 15px; background: none; border: none; font-size: 2rem; color: #aaa; cursor: pointer; transition: color 0.2s; }
.popup-close:hover { color: var(--primary-color); }
.popup-content img { max-width: 100%; height: auto; max-height: 250px; object-fit: cover; border-radius: 8px; margin-bottom: 1rem; }
.popup-content h2 { font-family: var(--font-primary); color: var(--primary-color); margin-bottom: 0.5rem; }
.popup-content p { margin-bottom: 1.5rem; color: #ddd; }
.popup-content .cta-button { color: var(--text-dark); transform: scale(1.05); box-shadow: 0 0 15px var(--primary-color), 0 0 25px var(--primary-color); animation: pulse-animation 2s infinite; }
@keyframes pulse-animation { 0% { transform: scale(1.05); box-shadow: 0 0 15px var(--primary-color); } 50% { transform: scale(1.1); box-shadow: 0 0 25px var(--primary-color); } 100% { transform: scale(1.05); box-shadow: 0 0 15px var(--primary-color); } }
.reopen-popup-btn { position: fixed; bottom: 30px; right: 100px; z-index: 100; background-color: var(--primary-color); color: var(--text-dark); padding: 12px 20px; border-radius: 50px; cursor: pointer; font-family: var(--font-primary); box-shadow: 0 4px 15px rgba(0,0,0,0.5); transition: transform 0.3s ease, background-color 0.3s ease; display: none; align-items: center; gap: 10px; }
.reopen-popup-btn:hover { transform: scale(1.1); background-color: #fff; }
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); z-index: 2000; display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { background-color: var(--dark-card-bg); padding: 30px 40px; border-radius: 10px; width: 90%; max-width: 600px; position: relative; transform: translateY(-20px); transition: transform 0.3s ease; }
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-close { position: absolute; top: 10px; right: 15px; background: none; border: none; color: #fff; font-size: 2.5em; cursor: pointer; }
.whatsapp-float { position: fixed; width: 60px; height: 60px; bottom: 30px; right: 30px; background-color: #25d366; color: #FFF; border-radius: 50px; text-align: center; font-size: 30px; z-index: 100; display: flex; justify-content: center; align-items: center; transition: transform 0.3s ease; text-decoration: none; }
.whatsapp-float:hover { transform: scale(1.1); }

/* === Media Queries para Responsive Design === */
@media (max-width: 992px) {
    .contacto-container { grid-template-columns: 1fr; }
    .footer-col { text-align: center; }
    .footer-col .social-icons, .footer-col .footer-links { justify-content: center; }
}
@media (max-width: 768px) {
    .section-title { font-size: 2.5em; }
    .header .logo img { width: 150px; }
    .header h2 { font-size: 1.6em; }
    .navigation { justify-content: flex-end; }
    .menu-toggle { display: block; }
    .navigation .nav-list { display: none; position: absolute; top: 100%; left: 0; width: 100%; background-color: #222; flex-direction: column; text-align: center; padding: 20px 0; border-top: 1px solid var(--primary-color); }
    .navigation .nav-list.active { display: flex; }
    .navigation .nav-list li { margin: 15px 0; }
    .footer-container { flex-direction: column; align-items: center; }
    .footer-col { min-width: 100%; text-align: center; margin-bottom: 20px; }
    .whatsapp-float { width: 50px; height: 50px; font-size: 24px; bottom: 20px; right: 20px; }
    .reopen-popup-btn { right: 80px; }
}