/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Outfit:wght@100..900&display=swap');

:root {
    /* Color Palette - Zen Aesthetic */
    --bg-primary: #FAF9F6;
    --bg-secondary: #F5F5F0;
    --text-primary: #111827;   /* Más oscuro para contraste */
    --text-secondary: #374151; /* Más oscuro para contraste */
    --accent-blue: #A5D8FF;
    --accent-green: #B2D8B2;
    --accent-blue-dark: #74B9FF;
    --accent-green-dark: #8AC68A;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.05);
    --border-color: #E2E8F0;
    
    /* Layout */
    --container-max-width: 1200px;
    --section-padding: 100px 20px;
    --border-radius: 16px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);

    /* Gold / Panal Accent */
    --accent-gold: #E1B32A;
    --accent-gold-dark: #C69B1E;
}

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

img {
    max-width: 100%;
    height: auto;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 1.125rem; /* Aumentado para mejor legibilidad senior */
    line-height: 1.7;    /* Aumentado el interlineado */
    overflow-x: hidden;
    width: 100%;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Lora', serif;
    font-weight: 700;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar */
nav {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 5000; /* Asegurar que esté siempre al frente (traer al frente) */
    background: rgba(250, 249, 246, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--shadow);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2%;
    max-width: none !important;
    width: 100%;
    margin: 0;
    box-sizing: border-box;
}

.logo {
    flex: 0 0 auto;
    margin: 0;
    font-family: 'Lora', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    text-decoration: none;
    white-space: nowrap;
    opacity: 1 !important;
    visibility: visible !important;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 0 0 auto;
    margin: 0;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.desktop-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.desktop-nav a:hover, .desktop-nav a.active {
    color: var(--text-primary);
    font-weight: 700;
}

.desktop-nav a.active {
    position: relative;
    color: var(--accent-green-dark);
}

.desktop-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-green-dark);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 120px; /* Aumentado de 80px a 120px */
    background: radial-gradient(circle at top right, #E3F2FD 0%, transparent 50%),
                radial-gradient(circle at bottom left, #E8F5E9 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.btn-amazon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--text-primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-amazon:hover {
    transform: translateY(-5px);
    background: #000;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto !important;
    object-fit: contain;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(20px 20px 40px rgba(0,0,0,0.1));
    animation: fadeIn 1s ease-out forwards;
}

/* Lead Magnet */
.lead-magnet {
    padding: var(--section-padding);
}

.sample-box {
    background: var(--white);
    border: 2px dashed var(--accent-blue-dark);
    padding: 50px;
    border-radius: var(--border-radius);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
}

.sample-image img {
    width: 100%;
    height: auto !important;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 30px var(--shadow);
}

.sample-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.form-group {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap; /* Permitir que el botón baje en pantallas muy pequeñas */
}

input[type="email"] {
    flex: 1;
    padding: 15px 25px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 1rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px; /* Unificado con Amazon button */
    border-radius: 50px;
    border: none;
    background: var(--accent-blue-dark);
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem; /* Unificado */
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-download:hover {
    background: var(--accent-blue);
    transform: translateX(5px);
}

/* Features (Quality DNA) */
.features {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.game-main, .main-content {
    padding-top: 120px;
    flex: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--accent-green-dark);
}

/* Gallery */
.gallery {
    padding: var(--section-padding);
}

.gallery h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 60px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 40px;
}

/* Gallery Categories Custom Layout */
.gallery-category {
    margin-bottom: 80px;
}

.gallery-category:last-child {
    margin-bottom: 0;
}

.gallery-category h3 {
    font-size: 2rem;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-green-dark);
    display: inline-block;
}

.book-item {
    text-align: center;
}

.book-item img {
    width: 100%;
    height: auto; /* Evitar deformación */
    object-fit: contain;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px var(--shadow);
}

.book-item:hover img {
    transform: scale(1.03);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

/* Testimonials */
.testimonials {
    padding: var(--section-padding);
    background: var(--accent-blue);
    color: var(--text-primary);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-item p {
    font-size: 1.5rem;
    font-style: italic;
    font-family: 'Lora', serif;
    margin-bottom: 20px;
}

/* FAQ Section */
.faq {
    padding: var(--section-padding);
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
}

.faq h2 {
    text-align: center;
    margin-bottom: 50px;
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.faq-item h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 350px;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    padding: 100px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 35px;
    box-shadow: -15px 0 40px rgba(0,0,0,0.1);
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.6rem;
    font-weight: 700;
    font-family: 'Lora', serif;
    transition: var(--transition-smooth);
    width: 100%;
    text-align: center;
}

/* Background overlay when menu is open */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.close-menu {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Responsividad */
@media (max-width: 1300px) {
    .hero .container, .sample-box {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .features-grid { 
        grid-template-columns: 1fr; 
        gap: 20px;
    }
    .hero-content p { margin: 0 auto 40px; }
    
    .desktop-nav, .nav-links .btn-amazon {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    nav {
        padding: 10px 0;
        background: var(--bg-primary); /* Fondo opaco en móviles */
        backdrop-filter: none; /* Eliminar desenfoque para evitar mezclas */
    }

    nav .container {
        justify-content: space-between;
        padding: 0 20px !important;
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-image img {
        max-width: 100% !important;
        margin-top: 40px;
    }

    /* Fix for non-hero pages top padding */
    .game-main, .main-content {
        padding-top: 140px !important;
        margin-top: 0 !important;
    }
}

/* --- COOKIE BANNER --- */
.cookie-banner {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    width: 95%;
    max-width: 650px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    padding: 30px;
    border-radius: 25px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    z-index: 10000;
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid var(--border-color);
    max-height: 90vh;
    overflow-y: auto;
}

.cookie-banner.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: center;
}

.cookie-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.cookie-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.btn-cookie-accept {
    background: var(--text-primary);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.btn-cookie-decline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 25px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-cookie-accept:hover {
    background: #000;
    transform: translateY(-2px);
}

.btn-cookie-decline:hover {
    background: var(--bg-secondary);
}

/* --- DASHBOARD & MOBILE FIXES --- */
@media (max-width: 480px) {
    .logo { font-size: 1.2rem; }
    .hero { padding-top: 140px; }
    .hero-content h1 { font-size: 1.75rem; line-height: 1.2; }
    .hero-content p { font-size: 1rem; }
    
    .game-main, .main-content {
        padding-top: 160px !important; /* El valor más alto para iPhone SE y similares */
    }
    
    .lead-magnet .container { padding: 0 10px; }
    .sample-box { 
        padding: 25px 15px; 
        width: 100%; 
        border-radius: 15px;
        gap: 20px;
    }
    .sample-content h2 { font-size: 1.8rem; }
    
    #lead-email { 
        width: 100%; 
        min-width: 200px; 
        padding: 12px 20px;
        border-radius: 12px;
    }
    .form-group { 
        flex-direction: column; 
        gap: 12px; 
        width: 100%;
    }
    .btn-download { width: 100%; padding: 14px; min-height: 50px; font-size: 1rem; }
    
    .hero-image img { 
        max-height: 380px; 
        width: auto; 
        margin: 0 auto 20px;
    }
    .book-item img {
        max-height: 300px;
        width: auto;
        margin: 0 auto 15px;
    }
    .desktop-nav {
        flex-direction: column;
        align-items: center;
        gap: 10px !important;
        text-align: center;
        width: 100%;
    }
}

/* Benefits Section Enhancement */
.benefit-card { transition: transform 0.3s ease; }
.benefit-card:hover { transform: translateY(-5px); }

/* Autor Section Styles */
.autor-image img {
    transition: var(--transition-smooth);
}
.autor-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    #autor .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .autor-image {
        max-width: 250px;
        margin: 0 auto;
    }
}

/* =========================================================================
   INTERACTIVE WORD SEARCH GAME
   ========================================================================= */

.game-container {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.grid-container {
    background: var(--white);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px var(--shadow);
    width: 100%;
    max-width: 100%;
    display: flex;
    justify-content: center;
}

#word-search-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    touch-action: none;
}

@media (max-width: 350px) {
    #word-search-grid {
        gap: 1px;
    }
    .ws-cell {
        font-size: 0.8rem;
    }
    .grid-container {
        padding: 5px !important;
    }
}

@media (max-width: 400px) {
    #word-search-grid {
        gap: 2px;
    }
    .ws-cell {
        font-size: 0.9rem;
        border-radius: 4px;
    }
    .grid-container {
        padding: 10px !important;
    }
}

.ws-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    min-width: 0; /* Permite que la celda se encoja en iOS */
    transition: background-color 0.2s, transform 0.1s;
}

@media (max-width: 600px) {
    .ws-cell {
        font-size: 1rem;
        border-radius: 4px;
    }
}

@media (hover: hover) {
    .ws-cell:hover {
        background-color: var(--bg-secondary);
        transform: scale(1.05);
    }
}

.ws-cell:active {
    transform: scale(0.95);
}

.ws-cell.selected {
    background-color: var(--accent-green);
    color: var(--text-primary);
    border-color: var(--accent-green-dark);
}

.ws-cell.found {
    background-color: var(--accent-green-dark);
    color: var(--white);
    border-color: var(--accent-green-dark);
}

.ws-cell.selected.found {
    background-color: var(--accent-green);
}

.word-item {
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

.word-item::before {
    content: "○";
    margin-right: 10px;
    color: var(--accent-green-dark);
    font-size: 1.2rem;
}

.word-item.found {
    text-decoration: line-through;
    color: var(--accent-green-dark);
    opacity: 0.6;
}

.word-item.found::before {
    content: "●";
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Language Selector Styles */
.language-selector-container {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-right: 15px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 3px 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.lang-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-green-dark);
    color: var(--accent-green-dark);
}

.lang-btn.active {
    background: var(--accent-green-dark);
    color: white;
    border-color: var(--accent-green-dark);
}

/* Page Transition for i18n */
body {
    transition: opacity 0.3s ease-in-out;
}

/* Custom responsiveness for mobile nav */
@media (max-width: 768px) {
    .language-selector-container {
        margin: 15px 0;
        justify-content: center;
        width: 100%;
        order: 2; /* Position after links in mobile menu */
    }
}