/* ==========================================
   DETALHE-PNEU.CSS - ESTILOS DA PÁGINA DE DETALHE
   ========================================== */

/* ----- PRODUCT DETAIL LAYOUT ----- */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
}

/* ----- GALERIA ----- */
.product-gallery {
    position: sticky;
    top: var(--space-16);
    align-self: start;
}

.gallery-main {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-main:hover img {
    transform: scale(1.02);
}

.zoom-btn {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    color: var(--color-text-primary);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.zoom-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    transform: scale(1.1);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.gallery-thumbs img {
    border-radius: var(--radius-md);
    aspect-ratio: 4/3;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.gallery-thumbs img:hover {
    border-color: var(--color-border-light);
}

.gallery-thumbs img.active {
    border-color: var(--color-primary);
}

/* ----- PRODUCT INFO ----- */
.product-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.product-brand {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.product-info h1 {
    font-size: var(--font-size-4xl);
    margin: 0;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.product-rating .stars {
    font-size: var(--font-size-base);
    color: var(--color-primary);
}

.product-rating span:last-child {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.product-price-box {
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.product-price {
    font-family: var(--font-family-display);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-primary);
}

.product-installment {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: block;
    margin-top: var(--space-1);
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.feature-icon {
    font-size: 20px;
}

/* ----- FICHA TÉCNICA ----- */
.tech-specs {
    background: var(--color-bg-secondary);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    max-width: 900px;
    margin: 0 auto;
}

.spec-item {
    background: var(--color-bg-primary);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    text-align: center;
}

.spec-label {
    display: block;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-1);
}

.spec-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

/* ----- TECNOLOGIAS ----- */
.product-technologies {
    background: var(--color-bg-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.tech-card {
    text-align: center;
    padding: var(--space-8);
}

.tech-icon {
    font-size: 48px;
    margin-bottom: var(--space-4);
}

.tech-card h4 {
    margin-bottom: var(--space-2);
}

.tech-card p {
    font-size: var(--font-size-sm);
}

/* ----- AVALIAÇÕES ----- */
.reviews-section {
    background: var(--color-bg-secondary);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.review-card {
    padding: var(--space-6);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-3);
}

.review-author strong {
    display: block;
    color: var(--color-text-primary);
}

.review-author span {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

.review-card p {
    font-size: var(--font-size-base);
    font-style: italic;
    margin-bottom: var(--space-3);
}

.review-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* ----- PRODUTOS RELACIONADOS ----- */
.related-products {
    background: var(--color-bg-primary);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* ----- RESPONSIVIDADE ----- */
@media (max-width: 1024px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .product-gallery {
        position: relative;
        top: 0;
    }

    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-info h1 {
        font-size: var(--font-size-3xl);
    }

    .product-price {
        font-size: var(--font-size-3xl);
    }

    .specs-grid {
        grid-template-columns: 1fr 1fr;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .related-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .gallery-thumbs {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 480px) {
    .specs-grid {
        grid-template-columns: 1fr;
    }

    .review-header {
        flex-direction: column;
        gap: var(--space-2);
    }

    .product-features {
        gap: var(--space-2);
    }

    .feature {
        font-size: var(--font-size-xs);
    }
}