/* Hub de demos (dentro de Coltrónica) */
.demo-hub-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border-radius: 0.75rem;
    overflow: hidden;
    background-color: var(--card-light);
    box-shadow: 0 4px 14px rgb(0 0 0 / 0.08);
    transition: transform 0.25s, box-shadow 0.25s;
    height: 100%;
}
html.dark .demo-hub-card { background-color: var(--card-dark); }
.demo-hub-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgb(0 0 0 / 0.12);
}
.demo-hub-card-img {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}
.demo-hub-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.demo-hub-card:hover .demo-hub-card-img img { transform: scale(1.05); }
.demo-hub-card-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.65rem;
    border-radius: 9999px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    backdrop-filter: blur(4px);
}
.demo-hub-card-body { padding: 1.25rem 1.5rem 1.5rem; }
.demo-hub-card-body h3 { font-weight: 700; margin-bottom: 0.5rem; }
.demo-hub-card-body p { font-size: 0.875rem; color: #6b7280; margin-bottom: 0.75rem; line-height: 1.5; }
html.dark .demo-hub-card-body p { color: #a0aec0; }
.demo-hub-card-link { font-size: 0.875rem; font-weight: 600; color: var(--accent); }

/* Barra demo (sitios independientes) */
.demo-site-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: #0D1B2A;
    color: #E0E1DD;
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    border-bottom: 2px solid #00A896;
}
.demo-site-banner a { color: #02C39A; font-weight: 600; text-decoration: none; }
.demo-site-banner a:hover { text-decoration: underline; }
.demo-site-banner .demo-cta {
    background: #00A896;
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 0.375rem;
    font-weight: 600;
}
.demo-site-banner .demo-cta:hover { background: #02C39A; text-decoration: none; }

/* Imágenes con fallback */
.demo-img-wrap {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #e5e7eb 0%, #d1d5db 100%);
}
.demo-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.demo-img-wrap.is-missing::after {
    content: attr(data-placeholder);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 500;
    color: #6b7280;
    background: linear-gradient(145deg, #f3f4f6 0%, #e5e7eb 100%);
}

/* —— Restaurante —— */
.demo-restaurante { --demo-primary: #c45c26; --demo-primary-dark: #9a4520; --demo-bg: #fffaf5; --demo-text: #2d1810; font-family: 'Playfair Display', Georgia, serif; }
.demo-restaurante body, .demo-restaurante { background: var(--demo-bg); color: var(--demo-text); }
.demo-restaurante .demo-nav { background: rgba(255, 250, 245, 0.95); border-bottom: 1px solid #f0e0d4; }
.demo-restaurante .demo-btn { background: var(--demo-primary); color: #fff; }
.demo-restaurante .demo-btn:hover { background: var(--demo-primary-dark); }
.demo-restaurante .demo-accent { color: var(--demo-primary); }
.demo-restaurante .demo-section-title { font-family: 'Playfair Display', Georgia, serif; }

/* —— Mascotas —— */
.demo-mascotas { --demo-primary: #3b82f6; --demo-primary-dark: #2563eb; --demo-accent: #f97316; --demo-bg: #f8fafc; --demo-text: #1e293b; font-family: 'Nunito', sans-serif; }
.demo-mascotas body, .demo-mascotas { background: var(--demo-bg); color: var(--demo-text); }
.demo-mascotas .demo-nav { background: #fff; border-bottom: 1px solid #e2e8f0; }
.demo-mascotas .demo-btn { background: var(--demo-primary); color: #fff; }
.demo-mascotas .demo-btn:hover { background: var(--demo-primary-dark); }
.demo-mascotas .demo-accent { color: var(--demo-primary); }

/* —— Tienda —— */
.demo-tienda { --demo-primary: #111827; --demo-primary-dark: #000; --demo-accent: #10b981; --demo-bg: #ffffff; --demo-text: #111827; font-family: 'Inter', system-ui, sans-serif; }
.demo-tienda body, .demo-tienda { background: var(--demo-bg); color: var(--demo-text); }
.demo-tienda .demo-nav { background: #fff; border-bottom: 1px solid #f3f4f6; }
.demo-tienda .demo-btn { background: var(--demo-primary); color: #fff; }
.demo-tienda .demo-btn:hover { background: var(--demo-primary-dark); }
.demo-tienda .demo-accent { color: var(--demo-accent); }
.demo-tienda .demo-price { color: var(--demo-accent); font-weight: 700; }

/* Layout común demos */
.demo-page { padding-top: 2.5rem; }
.demo-nav {
    position: sticky;
    top: 2.5rem;
    z-index: 50;
    backdrop-filter: blur(8px);
}
.demo-hero { position: relative; min-height: 70vh; display: flex; align-items: center; }
.demo-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.demo-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.demo-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.35) 100%);
}
.demo-hero-content { position: relative; z-index: 1; }

.demo-product-card {
    border-radius: 0.75rem;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 12px rgb(0 0 0 / 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}
.demo-product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgb(0 0 0 / 0.1);
}
.demo-product-card .demo-img-wrap { aspect-ratio: 1; }

.demo-cart-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    background: #111827;
    color: #fff;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}
.demo-cart-bar.visible { transform: translateY(0); }

@media (max-width: 640px) {
    .demo-hero { min-height: 55vh; }
}