/**
 * Estilos principales - Front Office
 * Taza Mágica Bilbao
 */

/* ============================================================
   VARIABLES CSS
   ============================================================ */
:root {
    /* Colores principales */
    --color-primary: #d4754f;
    --color-primary-dark: #b85f3d;
    --color-secondary: #8b4513;
    --color-accent: #ff8c42;
    
    /* Colores de fondo */
    --color-bg-light: #fff8f3;
    --color-bg-white: #ffffff;
    --color-bg-dark: #2c1810;
    
    /* Colores de texto */
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-text-light: #999999;
    --color-text-white: #ffffff;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    /* Bordes */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Espaciado */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
}

/* ============================================================
   RESET Y ESTILOS BASE
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-white);
    overflow-x: hidden;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
}

/* ============================================================
   CONTENEDOR PRINCIPAL
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================================
   BANNER SUPERIOR
   ============================================================ */
.top-banner {
    background-color: var(--color-bg-light);
    padding: var(--spacing-md) 0;
}

.banner-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.banner-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: block;
    margin: 0 auto;
}

/* ============================================================
   HEADER / IMAGEN DE CABECERA
   ============================================================ */
.site-header {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.header-image {
    position: relative;
    width: 100%;
    height: 100%;
}

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

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-md);
}

.header-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
    margin-bottom: var(--spacing-sm);
}

.header-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text-white);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1.2s ease;
    text-align: center;
    margin: 0;
}

/* ============================================================
   SECCIÓN DE BIENVENIDA
   ============================================================ */
.welcome-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.welcome-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-accent));
    border-radius: 2px;
}

.welcome-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-lg);
}

/* ============================================================
   SECCIÓN DE CATÁLOGO
   ============================================================ */
.catalog-section {
    padding: var(--spacing-xxl) 0;
}

.catalog-section .section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Grid de Productos - Sistema Flexible */
.products-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* Configuración de columnas dinámicas */
.products-grid[data-columns="1"] {
    grid-template-columns: 1fr;
}

.products-grid[data-columns="2"] {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.products-grid[data-columns="3"] {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.products-grid[data-columns="4"] {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.products-grid[data-columns="5"] {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Tarjetas de Producto */
.product-card {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    width: 100%;
    padding-top: 75%; /* Ratio 4:3 */
    overflow: hidden;
    background-color: var(--color-bg-light);
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.product-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    flex: 1;
}

/* Catálogo Vacío */
.empty-catalog {
    text-align: center;
    padding: var(--spacing-xxl) var(--spacing-md);
    color: var(--color-text-light);
}

.empty-catalog i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-catalog p {
    font-size: 1.125rem;
}

/* ============================================================
   FOOTER / PIE DE PÁGINA
   ============================================================ */
.site-footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section {
    padding: var(--spacing-sm);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

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

.contact-list li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.contact-list i {
    font-size: 1.125rem;
    color: var(--color-accent);
    min-width: 24px;
}

.contact-list a {
    color: var(--color-text-white);
}

.contact-list a:hover {
    color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.social-link {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-text-white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-accent);
    transform: translateY(-4px);
    color: var(--color-text-white);
}

.footer-text {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   BOTÓN SCROLL TO TOP
   ============================================================ */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ============================================================
   RESPONSIVE - TABLET
   ============================================================ */
@media (max-width: 768px) {
    .header-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .site-header {
        height: 300px;
    }
    
    .products-grid[data-columns="4"],
    .products-grid[data-columns="5"] {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .banner-image {
        border-radius: var(--border-radius);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-list li {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ============================================================
   RESPONSIVE - MÓVIL
   ============================================================ */
@media (max-width: 480px) {
    :root {
        --spacing-md: 16px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --spacing-xxl: 48px;
    }
    
    .header-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .site-header {
        height: 250px;
    }
    
    .welcome-text {
        font-size: 1rem;
    }
    
    .products-grid {
        gap: var(--spacing-md);
    }
    
    .products-grid[data-columns="2"],
    .products-grid[data-columns="3"],
    .products-grid[data-columns="4"],
    .products-grid[data-columns="5"] {
        grid-template-columns: 1fr;
    }
    
    .scroll-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }
    
    .top-banner {
        padding: var(--spacing-sm) 0;
    }
}

/* ============================================================
   ACCESIBILIDAD
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Mejora de contraste para mejor legibilidad */
@media (prefers-contrast: high) {
    :root {
        --color-text-secondary: #444444;
        --color-text-light: #666666;
    }
}

/* ============================================================
   CARRUSEL DINÁMICO
   ============================================================ */

.carrusel-section {
    width: 100%;
    background: #f8f9fa;
    padding: 20px 0;
}

.carrusel-container {
    position: relative;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carrusel-slide {
    display: none;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carrusel-slide.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.carrusel-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 1100 / 340;
}

.carrusel-link {
    display: block;
    cursor: pointer;
}

/* Controles del carrusel */
.carrusel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    font-size: 24px;
    color: #333;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.carrusel-control:hover {
    background: #ffffff;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.carrusel-prev {
    left: 20px;
}

.carrusel-next {
    right: 20px;
}

/* Indicadores del carrusel */
.carrusel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carrusel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.carrusel-indicator:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.carrusel-indicator.active {
    background: #ffffff;
    width: 30px;
    border-radius: 6px;
}

/* Responsive */
@media (max-width: 768px) {
    .carrusel-section {
        padding: 10px;
    }
    
    .carrusel-container {
        border-radius: 8px;
    }
    
    .carrusel-control {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .carrusel-prev {
        left: 10px;
    }
    
    .carrusel-next {
        right: 10px;
    }
    
    .carrusel-indicators {
        bottom: 10px;
    }
    
    .carrusel-indicator {
        width: 8px;
        height: 8px;
    }
    
    .carrusel-indicator.active {
        width: 20px;
    }
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
    .carrusel-slide,
    .carrusel-slide.active {
        animation: none;
        transition: none;
    }
}

/* ============================================================
   CABECERA DINÁMICA
   ============================================================ */

.site-header .header-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.site-header .header-image img {
    display: none; /* Ocultar img tag, usar background-image */
}