/* ==========================================
   Product Page Styles
   ========================================== */

/* Breadcrumbs Section */
.product-breadcrumbs {
    padding: 100px 0 20px;
    background: var(--color-light);
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    flex-wrap: wrap;
}

.breadcrumbs__link {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.breadcrumbs__link:hover {
    color: var(--color-primary);
}

.breadcrumbs__sep {
    color: var(--text-secondary);
    opacity: 0.5;
}

.breadcrumbs__current {
    color: var(--text-dark);
    font-weight: 500;
}

/* Product Main Section */
.product-main {
    padding: 30px 0 60px;
    background: var(--color-light);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 100px;
}

.product-gallery__main {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: white;
    margin-bottom: 16px;
}

.product-gallery__main img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.product-gallery__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--color-primary);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.product-gallery__thumbs {
    display: flex;
    gap: 12px;
}

.product-gallery__thumb {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0;
    background: white;
}

.product-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-gallery__thumb:hover,
.product-gallery__thumb.active {
    border-color: var(--color-primary);
}

/* Product Info */
.product-info {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.product-info__category {
    font-size: 12px;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-info__title {
    font-family: var(--font-heading);
    font-size: 36px;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.product-info__price-block {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px;
    background: var(--color-light);
    border-radius: 12px;
    margin-bottom: 20px;
}

.product-info__price {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.product-info__price-value {
    font-family: var(--font-heading);
    font-size: 42px;
    color: var(--color-primary);
}

.product-info__price-unit {
    font-size: 14px;
    color: var(--text-secondary);
}

.product-info__min {
    font-size: 13px;
    color: var(--text-secondary);
}

.product-info__min strong {
    color: var(--text-dark);
}

.product-info__desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

/* Highlight Cards */
.product-info__highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.highlight-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 12px;
    background: var(--color-light);
    border-radius: 12px;
    transition: var(--transition-fast);
}

.highlight-card:hover {
    background: linear-gradient(135deg, var(--color-dark), var(--color-dark-light));
}

.highlight-card:hover .highlight-card__value,
.highlight-card:hover .highlight-card__label {
    color: white;
}

.highlight-card:hover .highlight-card__icon {
    background: rgba(255,107,53,0.2);
}

.highlight-card__icon {
    width: 48px;
    height: 48px;
    background: rgba(255,107,53,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.highlight-card__icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.highlight-card__value {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 4px;
    transition: var(--transition-fast);
}

.highlight-card__label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
}

/* Actions */
.product-info__actions {
    display: flex;
    gap: 12px;
}

.product-info__actions .btn {
    flex: 1;
}

/* ==========================================
   Infographic Section
   ========================================== */
.product-infographic {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
}

.product-infographic .section-title,
.product-infographic .section-subtitle {
    color: var(--text-primary);
}

.product-infographic .section-subtitle {
    color: var(--text-secondary);
}

.infographic-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

/* Visual */
.infographic-visual {
    position: relative;
}

.infographic-machine {
    position: relative;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.05);
}

.machine-svg {
    width: 100%;
    height: auto;
}

/* Animated dimensions */
.dimension {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

.dimension--height {
    animation-delay: 0.3s;
}

.dimension--reach {
    animation-delay: 0.6s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Info Points */
.info-point {
    position: absolute;
    z-index: 10;
}

.info-point__dot {
    display: block;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    animation: pulse-dot 2s infinite;
}

.info-point__dot::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.5;
}

@keyframes pulse-dot {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.info-point__popup {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 10px;
    padding: 14px 18px;
    min-width: 180px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

.info-point:hover .info-point__popup {
    opacity: 1;
    visibility: visible;
}

.info-point__popup strong {
    display: block;
    color: var(--text-dark);
    font-size: 14px;
    margin-bottom: 6px;
}

.info-point__popup span {
    display: block;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

/* Specs Table */
.infographic-specs {
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.05);
}

.specs-group {
    margin-bottom: 28px;
}

.specs-group:last-child {
    margin-bottom: 0;
}

.specs-group__title {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--color-primary);
    letter-spacing: 1px;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.specs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.spec-row__label {
    color: var(--text-secondary);
    font-size: 14px;
}

.spec-row__value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
}

/* ==========================================
   Usage Section
   ========================================== */
.product-usage {
    padding: 80px 0;
    background: var(--color-light);
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.usage-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid transparent;
}

.usage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,53,0.2);
}

.usage-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255,107,53,0.1), rgba(255,107,53,0.05));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.usage-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.usage-card__title {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.usage-card__text {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
}

/* ==========================================
   Product Form Section
   ========================================== */
.product-form {
    padding: 80px 0;
    background: linear-gradient(135deg, #c25a2c, #a04a24);
}

.product-form__inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.product-form__title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 42px);
    color: white;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-form__subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 16px;
}

.product-form__text {
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 28px;
}

.product-form__benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 14px;
}

.benefit-item svg {
    width: 20px;
    height: 20px;
    color: white;
    flex-shrink: 0;
}

/* Form */
.product-form__form {
    background: white;
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--color-light-dark);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--color-light);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    cursor: pointer;
}

.form-checkbox input {
    display: none;
}

.form-checkbox__mark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-light-dark);
    border-radius: 4px;
    flex-shrink: 0;
    position: relative;
    transition: var(--transition-fast);
    margin-top: 2px;
}

.form-checkbox input:checked + .form-checkbox__mark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.form-checkbox input:checked + .form-checkbox__mark::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 6px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.form-checkbox__text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ==========================================
   Related Section
   ========================================== */
.product-related {
    padding: 80px 0;
    background: white;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.related-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--color-light);
    transition: var(--transition-normal);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-card__link {
    display: block;
}

.related-card__image {
    height: 180px;
    overflow: hidden;
}

.related-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.related-card:hover .related-card__image img {
    transform: scale(1.05);
}

.related-card__body {
    padding: 20px;
}

.related-card__title {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

.related-card__specs {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.related-card__price {
    font-weight: 600;
    color: var(--color-primary);
}

.related-cta {
    text-align: center;
}

/* Nav Active */
.nav__link--active {
    color: var(--color-primary);
}

.nav__link--active::after {
    width: 100%;
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-gallery {
        position: static;
    }
    
    .infographic-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-form__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .product-breadcrumbs {
        padding: 90px 0 16px;
    }
    
    .product-gallery__main img {
        height: 300px;
    }
    
    .product-info {
        padding: 24px;
    }
    
    .product-info__title {
        font-size: 28px;
    }
    
    .product-info__price-block {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .product-info__highlights {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .highlight-card {
        flex-direction: row;
        text-align: left;
        gap: 16px;
    }
    
    .highlight-card__icon {
        margin-bottom: 0;
    }
    
    .product-info__actions {
        flex-direction: column;
    }
    
    .usage-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .product-form__form {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .product-main {
        padding: 20px 0 50px;
    }
    
    .product-gallery__thumbs {
        gap: 8px;
    }
    
    .product-gallery__thumb {
        width: 60px;
        height: 45px;
    }
    
    .product-info__price-value {
        font-size: 36px;
    }
    
    .usage-grid {
        grid-template-columns: 1fr;
    }
    
    .infographic-machine {
        padding: 15px;
    }
    
    .infographic-specs {
        padding: 20px;
    }
}