/* ============================================
   PRODUCT VARIANTS (tipo de cuenta + plataforma)
============================================ */
.product-variants {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
    padding: 20px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.variant-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.variant-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-light);
}

.variant-label-value {
    color: var(--red);
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 13px;
}

.variant-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.variant-option {
    position: relative;
    padding: 14px 16px;
    background: var(--black);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    overflow: hidden;
}

.variant-option::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(224, 23, 58, 0.08) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.variant-option:hover {
    border-color: rgba(224, 23, 58, 0.5);
    transform: translateY(-1px);
}

.variant-option.active {
    border-color: var(--red);
    background: rgba(224, 23, 58, 0.06);
}

.variant-option.active::before {
    opacity: 1;
}

.variant-option-icon {
    width: 36px;
    height: 36px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-light);
    flex-shrink: 0;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.variant-option.active .variant-option-icon {
    background: var(--red);
    border-color: var(--red);
    color: var(--white);
}

.variant-option-icon svg {
    width: 18px;
    height: 18px;
}

.variant-option-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.variant-option-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.02em;
}

.variant-option-desc {
    font-size: 11px;
    color: var(--gray);
    line-height: 1.3;
}

.variant-option-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 18px;
    height: 18px;
    background: var(--red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.6);
    transition: var(--transition);
    z-index: 2;
}

.variant-option-check svg {
    width: 10px;
    height: 10px;
    color: var(--white);
}

.variant-option.active .variant-option-check {
    opacity: 1;
    transform: scale(1);
}

.variant-info-note {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(224, 23, 58, 0.06);
    border: 1px solid rgba(224, 23, 58, 0.15);
    border-radius: 8px;
    font-size: 12px;
    color: var(--gray-light);
    line-height: 1.4;
}

.variant-info-note svg {
    width: 14px;
    height: 14px;
    color: var(--red);
    flex-shrink: 0;
}

/* ============================================
   PRODUCT PAGE
============================================ */
.product-page {
    padding: 120px 0 80px;
    position: relative;
    z-index: 1;
}

.product-page .breadcrumb {
    margin-bottom: 32px;
}

/* Product main layout */
.product-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
    align-items: flex-start;
}

/* ============================================
   GALLERY
============================================ */
.product-gallery {
    position: sticky;
    top: 96px;
}

.product-main-img {
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 900;
    color: var(--white);
    font-size: 52px;
    line-height: 1.05;
    text-align: center;
    padding: 40px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    letter-spacing: 0.02em;
    margin-bottom: 16px;
    transition: var(--transition);
}

.product-main-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.product-main-img .main-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 6px;
    z-index: 2;
    text-shadow: none;
}

.product-main-img .main-badge.badge-discount {
    background: var(--red);
    color: var(--white);
}

.product-main-img .main-badge.badge-new {
    background: var(--white);
    color: var(--black);
}

.product-main-img .main-badge.badge-hot {
    background: linear-gradient(135deg, #ff6b00, #ff2200);
    color: var(--white);
}

.product-main-img .platform-chip {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 14px;
    background: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(10px);
    font-size: 12px;
    font-weight: 700;
    color: var(--white);
    border-radius: 6px;
    font-family: var(--font-display);
    letter-spacing: 0.1em;
    border: 1px solid var(--border);
    z-index: 2;
    text-shadow: none;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.gallery-thumb {
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--border);
    background: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 900;
    color: var(--white);
    font-size: 12px;
    line-height: 1.1;
    text-align: center;
    padding: 8px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.gallery-thumb:hover {
    border-color: var(--red);
    transform: translateY(-2px);
}

.gallery-thumb.active {
    border-color: var(--red);
    box-shadow: 0 0 0 2px rgba(224, 23, 58, 0.2);
}

/* ============================================
   PRODUCT INFO
============================================ */
.product-info-main {
    padding-top: 8px;
}

.product-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--red);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
}

.product-category-tag::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--red);
}

.product-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.product-stars {
    color: #ffb800;
    font-size: 18px;
    letter-spacing: -2px;
}

.product-rating-text {
    color: var(--gray-light);
    font-size: 14px;
}

.product-rating-text strong {
    color: var(--white);
    font-weight: 700;
}

.product-rating-text a {
    color: var(--red);
    text-decoration: underline;
    margin-left: 4px;
}

.product-price-block {
    margin-bottom: 32px;
}

.product-price-current {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 900;
    color: var(--red);
    line-height: 1;
    letter-spacing: -0.02em;
}

.product-price-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.product-price-old {
    font-size: 20px;
    color: var(--gray);
    text-decoration: line-through;
    font-weight: 600;
}

.product-price-save {
    background: rgba(224, 23, 58, 0.1);
    border: 1px solid rgba(224, 23, 58, 0.3);
    color: var(--red);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.product-price-note {
    color: var(--gray);
    font-size: 13px;
}

/* ============================================
   QUANTITY & ACTIONS
============================================ */
.product-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.product-qty-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.qty-selector {
    display: flex;
    align-items: center;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
}

.qty-btn {
    width: 48px;
    height: 54px;
    background: transparent;
    color: var(--white);
    font-size: 18px;
    font-weight: 700;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover {
    background: var(--red);
    color: var(--white);
}

.qty-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.qty-btn:disabled:hover {
    background: transparent;
}

.qty-input {
    width: 56px;
    height: 54px;
    background: transparent;
    border: none;
    text-align: center;
    color: var(--white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    outline: none;
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.btn-add-cart {
    flex: 1;
    padding: 16px 28px;
    height: 54px;
    background: var(--red);
    color: var(--white);
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(224, 23, 58, 0.3);
    font-family: var(--font-body);
}

.btn-add-cart:hover {
    background: var(--red-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(224, 23, 58, 0.5);
}

.btn-add-cart svg {
    width: 20px;
    height: 20px;
}

.btn-buy-now {
    width: 100%;
    padding: 16px 28px;
    height: 54px;
    background: transparent;
    color: var(--white);
    border: 1px solid var(--white);
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    font-family: var(--font-body);
}

.btn-buy-now:hover {
    background: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

.btn-buy-now svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   PRODUCT FEATURES (trust row)
============================================ */
.product-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 20px;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 32px;
}

.product-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.product-feature-icon {
    width: 36px;
    height: 36px;
    background: rgba(224, 23, 58, 0.1);
    border: 1px solid rgba(224, 23, 58, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--red);
    flex-shrink: 0;
}

.product-feature-icon svg {
    width: 16px;
    height: 16px;
}

.product-feature-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.product-feature-title {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-feature-desc {
    color: var(--gray);
    font-size: 12px;
    line-height: 1.4;
}

/* ============================================
   PRODUCT CONTACT BAR
============================================ */
.product-contact {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(224, 23, 58, 0.1) 0%, rgba(224, 23, 58, 0.03) 100%);
    border: 1px solid rgba(224, 23, 58, 0.3);
    border-radius: var(--radius);
}

.product-contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #833ab4 0%, #fd1d1d 50%, #fcb045 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.product-contact-icon svg {
    width: 24px;
    height: 24px;
}

.product-contact-text {
    flex: 1;
}

.product-contact-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 2px;
}

.product-contact-desc {
    color: var(--gray-light);
    font-size: 13px;
}

.product-contact-btn {
    padding: 10px 18px;
    background: var(--white);
    color: var(--black);
    border-radius: 8px;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: var(--transition);
    white-space: nowrap;
}

.product-contact-btn:hover {
    background: var(--red);
    color: var(--white);
}

/* ============================================
   PRODUCT TABS (Description + Details)
============================================ */
.product-tabs {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 80px;
}

.tabs-nav {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 14px 0;
    background: none;
    color: var(--gray-light);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    transition: var(--transition);
    cursor: pointer;
}

.tab-btn:hover {
    color: var(--white);
}

.tab-btn.active {
    color: var(--red);
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-content {
    display: none;
    color: var(--gray-light);
    font-size: 15px;
    line-height: 1.7;
}

.tab-content.active {
    display: block;
    animation: fade-in 0.3s ease;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content h3 {
    font-family: var(--font-display);
    font-size: 18px;
    margin-bottom: 16px;
    margin-top: 24px;
    color: var(--white);
}

.tab-content h3:first-child {
    margin-top: 0;
}

.tab-content p {
    margin-bottom: 16px;
}

.tab-content ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.tab-content ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding-left: 4px;
}

.tab-content ul li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--red);
    border-radius: 50%;
    margin-top: 10px;
    flex-shrink: 0;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--black);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
}

.detail-label {
    color: var(--gray);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.05em;
}

.detail-value {
    color: var(--white);
    font-weight: 700;
}

/* ============================================
   RELATED PRODUCTS
============================================ */
.related-section {
    margin-top: 80px;
}

.related-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 20px;
}

.related-header h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-gallery {
        position: static;
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }

    .related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .product-page {
        padding: 100px 0 60px;
    }

    .product-main-img {
        font-size: 40px;
        padding: 30px;
    }

    .product-features {
        grid-template-columns: 1fr;
    }

    .product-contact {
        flex-direction: column;
        text-align: center;
    }

    .product-tabs {
        padding: 28px 20px;
    }

    .tabs-nav {
        gap: 20px;
    }

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

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

@media (max-width: 480px) {
    .product-price-current {
        font-size: 32px;
    }

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

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