/* ============================================
   PRODUCT PAGE — Climate AC
   Стили страницы отдельного товара
   ============================================ */

:root {
    --accent: #CBF342;
    --accent-hover: #b8e000;
    --black: #111111;
    --dark: #232323;
    --gray: #666666;
    --light-gray: #f5f5f5;
    --border: #e8e8e8;
    --white: #ffffff;
    --font-heading: 'Stack Sans Headline', sans-serif;
    --font-body: 'Epunda Sans', sans-serif;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.06);
    --shadow-hover: 0 12px 48px rgba(0,0,0,0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== HERO / BREADCRUMBS ===== */
.product-hero {
    padding: 7rem 0 2rem;
    background: var(--white);
}

.product-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--gray);
    flex-wrap: wrap;
}

.product-breadcrumbs a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
}

.product-breadcrumbs a:hover {
    color: var(--black);
    background: var(--light-gray);
}

.product-breadcrumbs .sep {
    color: #ccc;
}

.product-breadcrumbs .current {
    color: var(--black);
    font-weight: 500;
}

/* ===== MAIN GRID ===== */
.product-main {
    padding: 2rem 0 5rem;
    background: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* ===== IMAGE ===== */
.product-image-wrap {
    position: sticky;
    top: 100px;
    background: linear-gradient(145deg, #fafafa 0%, #f0f0f0 100%);
    border-radius: var(--radius);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    position: relative;
    overflow: hidden;
}

.product-image-wrap img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-image-wrap:hover img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    z-index: 2;
}

.product-badge.recommended {
    background: var(--accent);
    color: var(--black);
}

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

.product-badge.sale {
    background: #fa1e24;
    color: var(--white);
}

/* ===== INFO ===== */
.product-info {
    padding-top: 0.5rem;
}

.product-brand {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #bbb;
    margin-bottom: 0.5rem;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.product-type-badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: var(--light-gray);
    border-radius: 20px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--gray);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.product-price-block {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.product-price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--black);
    line-height: 1;
}

.product-price .currency {
    font-size: 1.4rem;
    color: var(--gray);
    font-weight: 400;
}

.product-price-note {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.product-advantage {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 2rem;
    padding: 1rem 1.25rem;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent);
}

/* ===== SPECS ===== */
.product-specs-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.product-specs-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 1rem;
}

.product-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.product-spec-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.9rem 1rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    gap: 1.25rem;
    min-width: 0;
}

.product-spec-label {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.9rem;
    line-height: 1.45;
    color: #62666a;
    min-width: 0;
}

.product-spec-value {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.95rem;
    line-height: 1.45;
    font-weight: 600;
    color: #17191c;
    text-align: right;
    overflow-wrap: anywhere;
}

/* ===== ADVANTAGES ===== */
.product-advantages-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.product-advantages-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.6rem;
}

.product-advantages-list li {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--dark);
    padding-left: 2rem;
    position: relative;
    line-height: 1.5;
}

.product-advantages-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.1rem;
    width: 22px;
    height: 22px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    font-weight: 800;
    font-size: 0.75rem;
    line-height: 1;
}

/* ===== CTA ===== */
.product-cta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-product {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1.1rem 2rem;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    width: 100%;
}

.btn-product-primary {
    background: var(--black);
    color: var(--white);
}

.btn-product-primary:hover {
    background: var(--accent);
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(203, 243, 66, 0.35);
}

.btn-product-accent {
    background: var(--accent);
    color: var(--black);
}

.btn-product-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(203, 243, 66, 0.35);
}

.btn-product-outline {
    background: transparent;
    color: var(--dark);
    border: 2px solid var(--border);
}

.btn-product-outline:hover {
    border-color: var(--dark);
    color: var(--black);
    transform: translateY(-2px);
}

/* ===== RELATED ===== */
.product-related {
    padding: 4rem 0;
    background: var(--light-gray);
}

.product-related-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 2rem;
    text-align: center;
}

.product-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.1rem;
}

.product-related-card {
    background: var(--white);
    border-radius: 14px;
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    min-width: 0;
}

.product-related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.product-related-image {
    height: 160px;
    background: #f7f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.product-related-image img {
    max-width: 80%;
    max-height: 100%;
    object-fit: contain;
}

.product-related-body {
    padding: 1rem 1.1rem 1.15rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-related-brand {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #aaa;
    margin-bottom: 0.35rem;
}

.product-related-name {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 1rem;
    font-weight: 650;
    color: var(--black);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    flex: 1;
}

.product-related-category {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 0.82rem;
    color: var(--gray);
    line-height: 1.4;
    margin: 0 0 0.8rem;
}

.product-related-price {
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
}

.product-related-price .currency {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 400;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-image-wrap {
        position: static;
        min-height: 320px;
        padding: 2rem;
    }

    .product-title {
        font-size: 2rem;
    }

    .product-price {
        font-size: 2rem;
    }

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

@media (max-width: 767px) {
    .product-hero {
        padding: 5.5rem 0 1.5rem;
    }

    .product-title {
        font-size: 1.6rem;
    }

    .product-price {
        font-size: 1.8rem;
    }

    .product-price .currency {
        font-size: 1.1rem;
    }

    .product-image-wrap {
        min-height: 260px;
        padding: 1.5rem;
    }

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

    .product-related-title {
        font-size: 1.4rem;
    }
}