/* --- VARIABLES BASE --- */
:root {
    --blanco: #ffffff;
    --negro: #111111;
    --gris-claro: #f4f4f4;
    --gris-texto: #666666;
    --fuente-titulos: 'Cinzel', serif;
    --fuente-texto: 'Lato', sans-serif;
    --transicion-suave: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--blanco);
    color: var(--negro);
    font-family: var(--fuente-texto);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* --- NAVBAR (MENÚ) --- */
.navbar {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px 25px 20px;
    border-bottom: 1px solid #eaeaea;
    background-color: var(--blanco);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    margin-bottom: 25px;
}

.header-logo-img {
    max-height: 80px;
    width: auto;
    transition: var(--transicion-suave);
    cursor: pointer;
}

.header-logo-img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--negro);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transicion-suave);
}

.nav-links a:hover {
    color: var(--gris-texto);
    letter-spacing: 3px;
}

/* --- CABECERA DE SECCIÓN --- */
.seccion-header {
    text-align: center;
    margin: 60px 0 40px 0;
}

.seccion-header h1 {
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 1.8rem;
    letter-spacing: 6px;
    color: var(--negro);
}

.divisor {
    width: 40px;
    margin: 25px auto;
    border: none;
    border-top: 1px solid #ccc;
}

/* --- CONTENEDOR DE LA GALERÍA PRINCIPAL --- */
.galeria-contenedor {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    padding: 0 5vw 100px 5vw;
    max-width: 1600px;
    margin: 0 auto;
}

.obra-card {
    cursor: pointer;
    overflow: hidden;
    background-color: var(--blanco);
    position: relative;
    animation: fadeIn 0.8s ease-out;
}

/* --- VISTA DE DETALLE (DISEÑO VERTICAL CENTRADO) --- */
.vista-detalle {
    padding: 40px 5vw 120px 5vw;
    max-width: 900px; /* Evita que el contenido se estire demasiado */
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: fadeIn 0.6s ease-in-out;
}

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

/* Botón Volver */
.btn-volver {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.75rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 40px;
    font-family: var(--fuente-texto);
    transition: var(--transicion-suave);
    border-bottom: 1px solid transparent;
    align-self: flex-start; /* Lo alinea a la izquierda de la caja central */
}

.btn-volver:hover { 
    color: var(--negro);
    border-bottom: 1px solid var(--negro);
    padding-left: 10px;
}

/* Miniaturas */
.miniaturas-bar {
    display: flex;
    flex-direction: row;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: center;
}

.miniatura {
    width: 60px;
    height: 60px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.4;
    transition: var(--transicion-suave);
    border: 1px solid transparent;
}

.miniatura:hover, .miniatura.activa {
    opacity: 1;
    border-color: var(--negro);
}

/* Imagen Principal Controlada */
.detalle-imagen-principal {
    width: 100%;
    margin-bottom: 40px;
    position: relative;
}

.detalle-imagen-principal img {
    max-width: 100%;
    max-height: 70vh; /* La magia para que no sea gigante: máximo 70% de la pantalla */
    object-fit: contain;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08); /* Sombra elegante */
}

.obra-img-zoom {
    cursor: zoom-in;
    transition: var(--transicion-suave);
}

.obra-img-zoom:hover {
    opacity: 0.95;
    transform: scale(1.01);
}

/* --- MODAL DE ZOOM (LIGHTBOX) --- */
.zoom-modal {
    display: flex;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.4s ease-out;
}

.zoom-modal.fade-out {
    opacity: 0;
    transition: opacity 0.4s ease-out;
}

.zoom-modal-contenido {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.zoom-img-grande {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    animation: zoomIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.zoom-caption {
    margin-top: 20px;
    color: #eee;
    font-family: var(--fuente-titulos);
    letter-spacing: 5px;
    font-size: 0.8rem;
    opacity: 0.8;
}

.zoom-close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: 200;
    cursor: pointer;
    transition: 0.3s;
}

.zoom-close-btn:hover {
    color: #bbb;
}

/* --- INFO DE LA OBRA Y TIENDA --- */
.detalle-info {
    width: 100%;
    max-width: 600px; /* Limita el ancho del texto y la caja de compra */
}

.detalle-info h2 {
    font-family: var(--fuente-titulos);
    font-size: 2.2rem;
    letter-spacing: 2px;
    margin-bottom: 15px;
    font-weight: 400;
}

.detalle-autor {
    margin-bottom: 15px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: #555;
}

.detalle-resumen {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 25px;
}

.detalle-tecnica {
    color: var(--gris-texto);
    font-size: 0.9rem;
    letter-spacing: 1px;
    margin-bottom: 20px;
    font-style: italic;
}

.detalle-nota {
    font-size: 0.85rem;
    color: #999;
    border-top: 1px solid #eee;
    padding-top: 20px;
    margin-top: 30px;
    line-height: 1.6;
}

/* --- LA CAJA DE LA TIENDA Y BOTONES "BOTONOSOS" --- */
.tienda-caja {
    margin-top: 40px;
    background-color: #f9f9f9;
    padding: 40px;
    border: 1px solid #eaeaea;
}

.selector-tienda {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    background: #fff;
    font-family: var(--fuente-texto);
    letter-spacing: 1px;
    outline: none;
    cursor: pointer;
    margin-bottom: 20px;
}

.btn-comprar {
    width: 100%;
    background-color: var(--negro);
    color: var(--blanco);
    border: none;
    padding: 20px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    cursor: pointer;
    transition: all 0.3s ease;
    /* El secreto del botón físico: una sombra sólida dura en la parte inferior */
    box-shadow: 0 4px 0px #333; 
    position: relative;
}

.btn-comprar:hover { 
    background-color: #222;
    transform: translateY(-2px); /* Se levanta un poco */
    box-shadow: 0 6px 0px #333; /* La sombra crece */
    letter-spacing: 4px;
}

.btn-comprar:active {
    transform: translateY(4px); /* Se hunde al hacer clic */
    box-shadow: 0 0px 0px #333; /* La sombra desaparece */
}

/* --- FOOTER (CONTRASTE TOTAL) --- */
.site-footer {
    background-color: #000000;
    color: #ffffff; 
    padding: 100px 20px 60px;
    text-align: center;
}

.footer-logo-img {
    max-height: 120px;
    width: auto;
    margin-bottom: 40px;
    filter: brightness(0) invert(1);
}

.footer-socials { margin-bottom: 50px; }

.footer-socials a {
    color: #ffffff !important;
    text-decoration: none;
    margin: 0 20px;
    font-size: 0.75rem;
    letter-spacing: 3px;
    opacity: 0.8;
    transition: var(--transicion-suave);
}

.footer-socials a:hover {
    opacity: 1;
    letter-spacing: 5px;
}

.footer-info {
    font-size: 0.7rem;
    color: #ffffff;
    letter-spacing: 2px;
    line-height: 2.5;
    text-transform: uppercase;
    opacity: 0.9;
    margin-top: 30px;
}

.tiksia-tag {
    margin-top: 60px;
    font-size: 0.6rem;
    color: #ffffff;
    letter-spacing: 4px;
    opacity: 0.7;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .vista-detalle { padding: 40px 20px 80px 20px; }
    .zoom-close-btn { top: 20px; right: 20px; font-size: 40px; }
}