/**
 * Product Page Styles
 * Extends styles-v2.css from main site
 */

/* ===================================
   LOADING & ERROR STATES
   =================================== */
.product-loading {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-200, #E5E7EB);
    border-top-color: var(--primary, #FF6B6B);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.product-error {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* ===================================
   BREADCRUMB
   =================================== */
.breadcrumb {
    padding: 24px 0 16px;
    background: var(--gray-50, #F9FAFB);
    border-bottom: 1px solid var(--gray-200, #E5E7EB);
}

.breadcrumb a {
    color: var(--gray-600, #6B7280);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--primary, #FF6B6B);
}

.breadcrumb span {
    color: var(--gray-400, #9CA3AF);
    margin: 0 8px;
}

/* ===================================
   PRODUCT HERO
   =================================== */
.product-hero {
    padding: 64px 0;
    background: white;
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

@media (max-width: 1024px) {
    .product-hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

/* ===================================
   IMAGE GALLERY
   =================================== */
.product-gallery {
    position: sticky;
    top: 100px;
}

.gallery-main-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    margin-bottom: 16px;
}

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

.gallery-thumbnail {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.gallery-thumbnail:hover {
    border-color: var(--primary, #FF6B6B);
    transform: scale(1.05);
}

/* ===================================
   PRODUCT INFO
   =================================== */
.product-info {
    position: sticky;
    top: 100px;
}

.product-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--gray-900, #1F2937);
    margin-bottom: 16px;
    line-height: 1.2;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.rating-stars {
    font-size: 20px;
    letter-spacing: 2px;
}

.rating-text {
    font-size: 16px;
    color: var(--gray-600, #6B7280);
}

.product-tagline {
    font-size: 18px;
    color: var(--gray-700, #374151);
    font-weight: 500;
    margin-bottom: 24px;
    padding: 12px 20px;
    background: var(--gradient-hero, linear-gradient(135deg, #FEF3E2 0%, #FAE8DD 100%));
    border-radius: 8px;
    border-left: 4px solid var(--primary, #FF6B6B);
}

.product-price-section {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
    padding: 24px 0;
    border-top: 1px solid var(--gray-200, #E5E7EB);
    border-bottom: 1px solid var(--gray-200, #E5E7EB);
}

.product-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--primary, #FF6B6B);
}

.btn-buy {
    flex: 1;
    text-align: center;
    font-size: 18px;
    padding: 16px 32px;
}

.product-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.trust-badge {
    padding: 8px 16px;
    background: var(--gray-100, #F3F4F6);
    border-radius: 6px;
    font-size: 14px;
    color: var(--gray-700, #374151);
}

.quick-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 24px;
    background: var(--gray-50, #F9FAFB);
    border-radius: 12px;
}

.spec-item {
    text-align: center;
    font-size: 14px;
    line-height: 1.6;
}

.spec-item strong {
    display: block;
    font-size: 18px;
    color: var(--gray-900, #1F2937);
    margin-bottom: 4px;
}

/* ===================================
   SECTIONS
   =================================== */
.product-overview,
.product-review,
.product-pros-cons,
.product-specifications,
.product-features,
.product-best-for,
.product-cta,
.related-products {
    padding: 64px 0;
    border-top: 1px solid var(--gray-200, #E5E7EB);
}

.product-overview {
    background: var(--gradient-hero, linear-gradient(135deg, #FEF3E2 0%, #FAE8DD 100%));
}

.product-overview h2,
.product-review h2,
.product-specifications h2,
.product-features h2,
.product-best-for h2,
.related-products h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--gray-900, #1F2937);
    margin-bottom: 24px;
}

.overview-text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-700, #374151);
    margin-bottom: 32px;
}

.trust-points {
    display: grid;
    gap: 16px;
}

.trust-point {
    font-size: 16px;
    color: var(--gray-700, #374151);
    padding: 12px;
    background: white;
    border-radius: 8px;
}

/* ===================================
   REVIEW SECTION
   =================================== */
.review-content {
    font-size: 17px;
    line-height: 1.9;
    color: var(--gray-700, #374151);
}

.review-content p {
    margin-bottom: 24px;
}

.real-world-testing {
    margin-top: 48px;
    padding: 32px;
    background: var(--gray-50, #F9FAFB);
    border-radius: 12px;
    border-left: 4px solid var(--primary, #FF6B6B);
}

.real-world-testing h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900, #1F2937);
    margin-bottom: 16px;
}

.real-world-testing p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray-700, #374151);
}

/* ===================================
   PROS & CONS
   =================================== */
.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

@media (max-width: 768px) {
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
}

.pros-card,
.cons-card {
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.pros-card {
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
    border: 2px solid #86EFAC;
}

.cons-card {
    background: linear-gradient(135deg, #FEF3E2 0%, #FED7AA 100%);
    border: 2px solid #FCD34D;
}

.pros-card h3,
.cons-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
}

.pros-card ul,
.cons-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pros-card li,
.cons-card li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-700, #374151);
    margin-bottom: 12px;
    padding-left: 8px;
}

/* ===================================
   SPECIFICATIONS
   =================================== */
.specs-table {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--gray-200, #E5E7EB);
    overflow: hidden;
}

.spec-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200, #E5E7EB);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:nth-child(even) {
    background: var(--gray-50, #F9FAFB);
}

.spec-label {
    font-weight: 600;
    color: var(--gray-900, #1F2937);
}

.spec-value {
    color: var(--gray-700, #374151);
}

/* ===================================
   KEY FEATURES
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 20px;
    background: var(--gray-50, #F9FAFB);
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-700, #374151);
    border-left: 3px solid var(--primary, #FF6B6B);
}

/* ===================================
   BEST FOR
   =================================== */
.best-for-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 16px;
    max-width: 800px;
}

.best-for-list li {
    font-size: 17px;
    line-height: 1.6;
    color: var(--gray-700, #374151);
    padding: 16px;
    background: var(--gray-50, #F9FAFB);
    border-radius: 8px;
}

/* ===================================
   CTA SECTION
   =================================== */
.product-cta {
    background: var(--gradient-cta, linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%));
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-box h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.cta-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: white;
}

.cta-box .btn-primary-large {
    background: white;
    color: var(--primary, #FF6B6B);
    font-size: 20px;
    padding: 20px 48px;
}

.cta-box .btn-secondary-modern {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-box .btn-secondary-modern:hover {
    background: white;
    color: var(--primary, #FF6B6B);
}

.cta-note {
    color: white;
    font-size: 14px;
    opacity: 0.9;
}

/* ===================================
   RELATED PRODUCTS
   =================================== */
.related-products {
    background: var(--gray-50, #F9FAFB);
}

/* ===================================
   MOBILE OPTIMIZATIONS
   =================================== */

/* Tablet view */
@media (max-width: 1024px) {
    .product-hero {
        padding: 40px 0;
    }

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

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

/* Mobile view */
@media (max-width: 768px) {
    .product-hero {
        padding: 24px 0;
    }

    .product-hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .product-title {
        font-size: 28px;
        line-height: 1.2;
    }

    .product-tagline {
        font-size: 16px;
        padding: 10px 16px;
    }

    .product-price {
        font-size: 32px;
    }

    .product-price-section {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }

    .btn-buy {
        width: 100%;
        padding: 16px;
        font-size: 16px;
    }

    .quick-specs {
        grid-template-columns: repeat(3, 1fr);
        padding: 16px;
        gap: 12px;
    }

    .spec-item {
        font-size: 12px;
    }

    .spec-item strong {
        font-size: 16px;
    }

    .gallery-main-image {
        border-radius: 12px;
    }

    .gallery-thumbnails {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .gallery-thumbnail {
        height: 60px;
    }

    /* Section spacing */
    .product-overview,
    .product-review,
    .product-pros-cons,
    .product-specifications,
    .product-features,
    .product-best-for,
    .product-cta,
    .related-products {
        padding: 40px 0;
    }

    .product-overview h2,
    .product-review h2,
    .product-specifications h2,
    .product-features h2,
    .product-best-for h2,
    .related-products h2 {
        font-size: 24px;
    }

    .overview-text {
        font-size: 16px;
    }

    .review-content {
        font-size: 15px;
    }

    .real-world-testing {
        padding: 20px;
        margin-top: 32px;
    }

    .real-world-testing h3 {
        font-size: 20px;
    }

    .real-world-testing p {
        font-size: 15px;
    }

    /* Specs table mobile */
    .spec-row {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 16px;
    }

    .spec-label {
        font-size: 14px;
        color: var(--gray-600, #6B7280);
    }

    .spec-value {
        font-size: 16px;
        font-weight: 500;
    }

    /* Features grid */
    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 16px;
        font-size: 14px;
    }

    /* Best for list */
    .best-for-list li {
        font-size: 15px;
        padding: 12px;
    }

    /* CTA Section */
    .cta-price {
        font-size: 36px;
    }

    .cta-box h2 {
        font-size: 24px;
    }

    .cta-box .btn-primary-large {
        font-size: 16px;
        padding: 16px 24px;
    }

    .cta-box .btn-secondary-modern {
        padding: 12px 20px;
        font-size: 14px;
    }

    /* Breadcrumb */
    .breadcrumb {
        padding: 16px 0 12px;
        font-size: 14px;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Trust badges */
    .product-trust-badges {
        flex-wrap: wrap;
        gap: 8px;
    }

    .trust-badge {
        font-size: 12px;
        padding: 6px 12px;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .product-title {
        font-size: 24px;
    }

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

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

    .cta-actions {
        gap: 16px;
    }

    .cta-price {
        font-size: 32px;
    }
}