:root {
    /* Paleta de lujo: Obsidian & Gold */
    --premium-gold: linear-gradient(135deg, #d4af37 0%, #f1d27b 100%);
    --gold-solid: #d4af37;
    --dark-bg: #020617;       /* Fondo único de pantalla */
    --card-bg: rgba(15, 23, 42, 0.8); /* Transparencia para efecto cristal */
    --border-glass: rgba(255, 255, 255, 0.08);
    --white-pure: #ffffff;
    --slate-400: #94a3b8;
}

/* --- Fondo Global Unificado --- */
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--dark-bg);
    /* Añadimos un degradado radial sutil para dar profundidad al fondo único */
    background-image: radial-gradient(circle at top right, rgba(56, 189, 248, 0.05), transparent),
                      radial-gradient(circle at bottom left, rgba(212, 175, 55, 0.05), transparent);
    color: var(--white-pure);
    margin: 0;
    min-height: 100vh;
}

/* --- Contenedor de Filtros (Más minimalista) --- */
.filter-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding: 30px;
    background: transparent; /* Eliminamos el fondo sólido */
    margin-bottom: 20px;
}

.filter-btn {
    padding: 10px 24px;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--slate-400);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--premium-gold);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}