/* Paleta de colores */
:root {
    --bg-page: #f1f2f6;
    --charcoal-dark: #2f3542;
    --charcoal-light: #57606f;
    --orange-vibrant: #ff6348;
    --orange-hover: #ff472b;
    --white: #ffffff;
    --border-gray: #dfe4ea;
    --font-headers: 'Nunito', sans-serif;
    --font-text: 'Roboto', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background-color: var(--bg-page); color: var(--charcoal-dark); font-family: var(--font-text); line-height: 1.6; }
.site-container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Encabezado */
.hero-header { background-color: var(--charcoal-dark); padding: 50px 0 120px 0; text-align: center; }
.brand-title { color: var(--white); font-family: var(--font-headers); font-size: 2rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }

/* Superposición del contenido */
.content-overlap { margin-top: -70px; position: relative; z-index: 10; }

/* Tarjeta del Producto */
.product-card { display: flex; gap: 40px; background-color: var(--white); padding: 40px; border-radius: 12px; box-shadow: 0 15px 30px rgba(0,0,0,0.08); }
.gallery-wrap { width: 45%; }
.product-details { width: 55%; }

/* Galería Pura CSS */
.gallery-wrap input[type="radio"] { display: none; }
.gallery-display { position: relative; width: 100%; aspect-ratio: 1/1; background: #f8f9fa; border: 1px solid var(--border-gray); border-radius: 8px; overflow: hidden; }
.gallery-slide { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; padding: 20px; }
.gallery-slide img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* Mostrar diapositiva activa */
#img1:checked ~ .gallery-display #slide1,
#img2:checked ~ .gallery-display #slide2,
#img3:checked ~ .gallery-display #slide3,
#img4:checked ~ .gallery-display #slide4 { opacity: 1; pointer-events: auto; z-index: 2; }

/* Flechas de navegación */
.nav-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; background-color: var(--white); border: 1px solid var(--border-gray); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--charcoal-dark); cursor: pointer; opacity: 0; transition: all 0.2s ease; z-index: 10; user-select: none; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.gallery-display:hover .nav-arrow { opacity: 1; }
.nav-arrow:hover { background-color: var(--orange-vibrant); color: var(--white); border-color: var(--orange-vibrant); }
.left-arrow { left: 15px; } .right-arrow { right: 15px; }

/* Miniaturas */
.gallery-thumbnails { display: flex; gap: 10px; margin-top: 15px; overflow-x: auto; padding-bottom: 5px; }
.gallery-thumbnails::-webkit-scrollbar { display: none; }
.thumb { flex: 0 0 80px; height: 80px; border: 2px solid transparent; border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; background: var(--white); border: 1px solid var(--border-gray); opacity: 0.6; transition: 0.2s; }
.thumb img { max-width: 85%; max-height: 85%; object-fit: contain; }
.thumb:hover { opacity: 1; }

#img1:checked ~ .gallery-thumbnails .thumb[for="img1"],
#img2:checked ~ .gallery-thumbnails .thumb[for="img2"],
#img3:checked ~ .gallery-thumbnails .thumb[for="img3"],
#img4:checked ~ .gallery-thumbnails .thumb[for="img4"] { border-color: var(--orange-vibrant); opacity: 1; }

/* Detalles */
.product-name { font-family: var(--font-headers); font-size: 1.8rem; color: var(--charcoal-dark); margin-bottom: 20px; line-height: 1.3; font-weight: 800; }
.product-specs h3 { font-family: var(--font-headers); font-size: 1.2rem; color: var(--orange-vibrant); margin-bottom: 15px; text-transform: uppercase; }
.product-specs ul { list-style: none; padding-left: 0; margin-bottom: 25px; }
.product-specs li { position: relative; padding-left: 20px; margin-bottom: 15px; color: var(--charcoal-light); font-size: 0.95rem; }
.product-specs li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--orange-vibrant); font-weight: bold; }
.product-specs li strong { color: var(--charcoal-dark); font-family: var(--font-headers); }
.keyword-block { background-color: var(--bg-page); padding: 15px 20px; border-radius: 6px; font-style: italic; color: var(--charcoal-light); font-size: 0.9rem; border-left: 4px solid var(--orange-vibrant); }

/* Botón CTA */
.action-banner { text-align: center; margin: 60px 0; }
.btn-orange { display: inline-block; background-color: var(--orange-vibrant); color: var(--white); font-family: var(--font-headers); font-size: 1.2rem; font-weight: 800; text-transform: uppercase; padding: 20px 70px; border-radius: 50px; text-decoration: none; box-shadow: 0 10px 20px rgba(255, 99, 72, 0.3); transition: 0.3s ease; }
.btn-orange:hover { background-color: var(--orange-hover); transform: translateY(-3px); box-shadow: 0 12px 25px rgba(255, 99, 72, 0.4); }

/* Reseñas */
.reviews-section { background-color: var(--white); padding: 40px; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 50px; }
.section-title { font-family: var(--font-headers); font-size: 1.6rem; color: var(--charcoal-dark); margin-bottom: 30px; text-align: center; }
.review-row { display: flex; gap: 25px; margin-bottom: 35px; padding-bottom: 35px; border-bottom: 1px solid var(--border-gray); }
.review-row:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.review-left img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 2px solid var(--bg-page); }
.review-right { flex: 1; }
.customer-name { font-family: var(--font-headers); font-size: 1.1rem; color: var(--charcoal-dark); margin-bottom: 5px; }
.stars-line { margin-bottom: 5px; }
.star-color { color: #f39c12; font-size: 1.1rem; }
.review-headline { font-weight: 700; color: var(--charcoal-dark); margin-left: 8px; }
.purchase-badge { font-size: 0.8rem; color: var(--orange-vibrant); font-weight: bold; text-transform: uppercase; margin-bottom: 10px; }
.review-body { color: var(--charcoal-light); font-size: 0.95rem; margin-bottom: 15px; }
.review-gallery { display: flex; gap: 10px; flex-wrap: wrap; }
.review-gallery img { width: 80px; height: 80px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border-gray); cursor: pointer; transition: 0.2s; }
.review-gallery img:hover { opacity: 0.8; }

/* Pie de página */
.site-footer { background-color: var(--charcoal-dark); color: var(--white); text-align: center; padding: 50px 0; }
.site-footer h3 { font-family: var(--font-headers); margin-bottom: 20px; font-size: 1.2rem; }
.footer-legal { margin-bottom: 20px; }
.footer-legal a { color: var(--border-gray); text-decoration: none; margin: 0 10px; font-size: 0.9rem; transition: 0.2s; }
.footer-legal a:hover { color: var(--orange-vibrant); }
.copyright { font-size: 0.85rem; color: var(--charcoal-light); }

/* Responsivo */
@media (max-width: 900px) {
    .product-card { flex-direction: column; padding: 25px; }
    .gallery-wrap, .product-details { width: 100%; }
}
@media (max-width: 600px) {
    .review-row { flex-direction: column; gap: 15px; }
    .nav-arrow { opacity: 0.9; width: 35px; height: 35px; }
    .btn-orange { width: 100%; padding: 15px; font-size: 1.1rem; }
}