/* ===== RESPONSIVE DESIGN SYSTEM ===== */
/* Diseño completamente responsivo para todos los dispositivos */

/* ===== VARIABLES CSS PARA CONSISTENCIA ===== */
:root {
    /* Breakpoints */
    --mobile-max: 767px;
    --tablet-min: 768px;
    --tablet-max: 1023px;
    --desktop-min: 1024px;
    --large-desktop-min: 1440px;
    
    /* Espaciado responsivo */
    --spacing-xs: clamp(0.25rem, 0.5vw, 0.5rem);
    --spacing-sm: clamp(0.5rem, 1vw, 1rem);
    --spacing-md: clamp(1rem, 2vw, 2rem);
    --spacing-lg: clamp(1.5rem, 3vw, 3rem);
    --spacing-xl: clamp(2rem, 4vw, 4rem);
    
    /* Tipografía responsiva */
    --font-size-xs: clamp(0.75rem, 1.5vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 2vw, 1rem);
    --font-size-base: clamp(1rem, 2.5vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 3vw, 1.25rem);
    --font-size-xl: clamp(1.25rem, 3.5vw, 1.5rem);
    --font-size-2xl: clamp(1.5rem, 4vw, 2rem);
    --font-size-3xl: clamp(2rem, 5vw, 3rem);
    
    /* Tamaños de contenedor */
    --container-mobile: 100%;
    --container-tablet: 700px;
    --container-desktop: 900px;
    --container-large: 1000px;
    
    /* Tamaños mínimos para controles táctiles */
    --touch-target-min: 44px;
    --touch-spacing: 8px;
}

/* ===== SISTEMA DE REJILLA FLEXIBLE ===== */
.responsive-container {
    width: 100%;
    max-width: var(--container-large);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Override Bootstrap container for narrower layout */
.container {
    max-width: var(--container-large) !important;
}

.responsive-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.responsive-flex {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.responsive-flex > * {
    flex: 1 1 280px;
}

/* ===== TIPOGRAFÍA ADAPTABLE ===== */
.responsive-text-xs { font-size: var(--font-size-xs); }
.responsive-text-sm { font-size: var(--font-size-sm); }
.responsive-text-base { font-size: var(--font-size-base); }
.responsive-text-lg { font-size: var(--font-size-lg); }
.responsive-text-xl { font-size: var(--font-size-xl); }
.responsive-text-2xl { font-size: var(--font-size-2xl); }
.responsive-text-3xl { font-size: var(--font-size-3xl); }

/* Mejora de legibilidad */
.responsive-text {
    line-height: 1.6;
    letter-spacing: 0.01em;
}

/* ===== IMÁGENES RESPONSIVAS ===== */
.responsive-img {
    max-width: 100%;
    height: auto;
    display: block;
}

.responsive-img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.responsive-img-contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ===== CONTROLES TÁCTILES OPTIMIZADOS ===== */
.touch-target {
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
    padding: var(--touch-spacing);
    margin: var(--touch-spacing);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.touch-target:hover,
.touch-target:focus {
    transform: scale(1.05);
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* ===== NAVEGACIÓN RESPONSIVA ===== */
.responsive-nav {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    background: white !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 100;
    width: 100%;
    border: none !important;
    margin: 0 !important;
}

.nav-brand {
    font-size: var(--font-size-lg);
    font-weight: bold;
    text-decoration: none;
    color: #007bff;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    text-decoration: none;
    color: #333;
    border-radius: 4px;
    transition: all 0.2s ease;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
}

.nav-link:hover,
.nav-link:focus {
    background: rgba(0, 123, 255, 0.1);
    color: #007bff;
}

/* Menú hamburguesa */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    padding: var(--spacing-xs);
    min-height: var(--touch-target-min);
    min-width: var(--touch-target-min);
}

.nav-toggle:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* ===== MEDIA QUERIES ===== */

/* Móviles (320px - 767px) */
@media (max-width: 767px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }
    
    .responsive-container {
        padding: 0 var(--spacing-sm);
    }
    
    .responsive-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .responsive-flex {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .responsive-flex > * {
        flex: 1 1 auto;
    }
    
    /* Navegación móvil */
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px; /* Adjusted to work with fixed header */
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1025; /* Lower than fixed header but higher than content */
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        border-bottom: 1px solid #eee;
        justify-content: center;
    }
    
    /* Botones flotantes en móvil */
    .floating-language-selector,
    .scroll-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        min-height: var(--touch-target-min);
        min-width: var(--touch-target-min);
    }
    
    /* Espaciado vertical en móvil */
    .py-4 {
        padding-top: var(--spacing-md) !important;
        padding-bottom: var(--spacing-md) !important;
    }
    
    /* Texto más grande en móvil para legibilidad */
    .lead {
        font-size: var(--font-size-lg);
        line-height: 1.6;
    }
    
    .display-4 {
        font-size: var(--font-size-2xl);
        line-height: 1.2;
    }
}

/* Tablets (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
    .responsive-container {
        max-width: var(--container-tablet);
    }
    
    .responsive-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .responsive-flex > * {
        flex: 1 1 300px;
    }
    
    /* Navegación en tablet */
    .nav-menu {
        gap: var(--spacing-sm);
    }
    
    /* Ajustes para tablet */
    .col-lg-4,
    .col-lg-8 {
        flex: 0 0 auto;
    }
    
    .col-lg-4 {
        width: 33.333333%;
    }
    
    .col-lg-8 {
        width: 66.666667%;
    }
}

/* Escritorio (1024px+) */
@media (min-width: 1024px) {
    .responsive-container {
        max-width: var(--container-desktop);
    }
    
    .responsive-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
    
    .responsive-flex > * {
        flex: 1 1 350px;
    }
    
    /* Hover effects solo en escritorio */
    .touch-target:hover {
        transform: scale(1.02);
    }
}

/* Pantallas grandes (1440px+) */
@media (min-width: 1440px) {
    .responsive-container {
        max-width: var(--container-large);
    }
    
    :root {
        --spacing-xl: 5rem;
    }
}

/* ===== ACCESIBILIDAD Y WCAG ===== */

/* Reducir movimiento para usuarios sensibles */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Alto contraste */
@media (prefers-contrast: high) {
    .nav-link:hover,
    .nav-link:focus {
        background: #000;
        color: #fff;
    }
    
    .touch-target:focus {
        outline: 3px solid #000;
    }
}

/* Modo oscuro */
@media (prefers-color-scheme: dark) {
    .responsive-nav {
        background: #1a1a1a;
        color: #fff;
    }
    
    .nav-link {
        color: #fff;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        background: rgba(255, 255, 255, 0.1);
    }
}

/* ===== UTILIDADES RESPONSIVAS ===== */

/* Ocultar/mostrar elementos según dispositivo */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

@media (max-width: 767px) {
    .hide-mobile {
        display: none;
    }
    
    .show-mobile {
        display: block;
    }
}

.hide-tablet {
    display: block;
}

.show-tablet {
    display: none;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hide-tablet {
        display: none;
    }
    
    .show-tablet {
        display: block;
    }
}

.hide-desktop {
    display: block;
}

.show-desktop {
    display: none;
}

@media (min-width: 1024px) {
    .hide-desktop {
        display: none;
    }
    
    .show-desktop {
        display: block;
    }
}

/* Espaciado responsivo */
.p-responsive { padding: var(--spacing-md); }
.m-responsive { margin: var(--spacing-md); }
.gap-responsive { gap: var(--spacing-md); }

/* Texto responsivo */
.text-responsive {
    font-size: var(--font-size-base);
    line-height: 1.6;
}

/* ===== MEJORAS ESPECÍFICAS PARA NES.CSS ===== */

/* Botones NES responsivos - using native NES.css styles */

/* Contenedores NES responsivos */
.nes-container {
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-md);
}

/* Iconos NES responsivos */
.nes-icon {
    width: clamp(16px, 4vw, 32px);
    height: clamp(16px, 4vw, 32px);
}

@media (max-width: 767px) {
    .nes-container {
        margin: var(--spacing-xs) 0;
        padding: var(--spacing-sm);
    }
    
    /* .nes-btn uses native NES.css responsive behavior */
}