/* =============================================
   ENGINE DETAIL PAGE
   ============================================= */

/* =============================================
   HERO / GALLERY + INFO
   ============================================= */
.engine-hero {
    padding: 1rem 0 4rem;
}

.engine-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Gallery */
.engine-gallery {
    position: sticky;
    top: calc(var(--header-height) + 1rem);
}

.engine-gallery-main {
    position: relative;
    overflow: hidden;
    border-radius: 0.5rem;
    background: var(--color-dark-surface);
    border: 1px solid var(--color-dark-border);
    aspect-ratio: 1/1;
}
.engine-gallery-main-link {
    display: block;
    width: 100%;
    height: 100%;
    cursor: zoom-in;
}
.engine-gallery-main-link img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.5s ease;
    background: var(--color-dark-card);
}
.engine-gallery-main-link:hover img {
    transform: scale(1.03);
}
.gallery-zoom-hint {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    padding: 0.375rem 0.75rem;
    background: rgba(10, 12, 20, 0.7);
    backdrop-filter: blur(8px);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    border-radius: 0.25rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.engine-gallery-main:hover .gallery-zoom-hint {
    opacity: 1;
}

.engine-gallery-thumbs {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}
.engine-thumb {
    width: 72px;
    height: 72px;
    border-radius: 0.375rem;
    overflow: hidden;
    border: 2px solid var(--color-dark-border);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
    background: var(--color-dark-card);
}
.engine-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.engine-thumb:hover {
    border-color: var(--color-gray-300);
}
.engine-thumb.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.engine-thumb-video {
    position: relative;
}

.engine-thumb-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.35);
    color: var(--color-white);
    font-size: 1.25rem;
    pointer-events: none;
    transition: background var(--transition-base);
}

.engine-thumb-video:hover .engine-thumb-play {
    background: rgba(0, 0, 0, 0.15);
}

.engine-gallery-caption {
    margin-top: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Info Panel */
.engine-info {
    padding-top: 0.5rem;
}

.engine-info-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.75rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    color: var(--color-white);
}

.engine-info-pricing {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-dark-border);
}

.engine-price {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
}

.engine-price-original {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-decoration: line-through;
    margin-right: 0.75rem;
}

.engine-price-sale {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
}

.engine-info-description {
    margin-bottom: 2rem;
    color: var(--color-text);
    font-size: 0.9375rem;
    line-height: 1.8;
}
.engine-info-description p {
    margin-bottom: 1rem;
}
.engine-info-description p:last-child {
    margin-bottom: 0;
}
.engine-info-description ul,
.engine-info-description ol {
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}
.engine-info-description li {
    margin-bottom: 0.375rem;
}

.engine-info-contact {
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-dark-border);
}
.engine-contact-label {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}
.engine-contact-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* =============================================
   COMPONENTS / FEATURES
   ============================================= */
.engine-components {
    padding: 4rem 0;
    background: var(--color-dark-surface);
    border-top: 1px solid var(--color-dark-border);
    border-bottom: 1px solid var(--color-dark-border);
}

.engine-section-header {
    margin-bottom: 2.5rem;
}

.engine-section-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.engine-section-line {
    width: 60px;
    height: 3px;
    background: var(--color-primary);
}

.engine-components-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.engine-components-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.engine-components-list li {
    position: relative;
    padding: 0.625rem 0 0.625rem 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-text);
    border-bottom: 1px solid rgba(30, 34, 51, 0.6);
    transition: color var(--transition-base);
}

.engine-components-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}

.engine-components-list li:hover {
    color: var(--color-white);
}

/* =============================================
   OPTIONS TABLE
   ============================================= */
.engine-options {
    padding: 4rem 0;
    background: var(--color-dark);
}

.engine-options-table-wrap {
    overflow-x: auto;
}

.engine-options-table {
    width: 100%;
    border-collapse: collapse;
}

.engine-options-table thead th {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--color-dark-border);
    text-align: left;
}

.engine-options-table thead th:last-child {
    text-align: right;
    width: 160px;
}

.engine-options-table tbody tr {
    border-bottom: 1px solid var(--color-dark-border);
    transition: background var(--transition-base);
}

.engine-options-table tbody tr:hover {
    background: rgba(4, 53, 151, 0.05);
}

.engine-options-table tbody td {
    padding: 1rem;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.engine-option-price {
    text-align: right;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-white);
    white-space: nowrap;
}

/* =============================================
   YOUTUBE VIDEOS
   ============================================= */
.engine-videos {
    padding: 4rem 0;
    background: var(--color-dark-surface);
    border-top: 1px solid var(--color-dark-border);
}

.engine-videos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.engine-video-card {
    overflow: hidden;
    border-radius: 0.5rem;
}

.engine-video-card .video-container {
    background: var(--color-dark-card);
}

.engine-video-card .video-container:hover .video-placeholder {
    transform: scale(1.03);
}

.engine-video-card .video-placeholder {
    transition: transform 0.6s ease;
}

@media (max-width: 767px) {
    .engine-videos-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   BOTTOM CTA
   ============================================= */
.engine-bottom-cta {
    padding: 4rem 0;
    background: var(--color-dark-surface);
    border-top: 1px solid var(--color-dark-border);
}

.engine-cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 2.5rem;
    background: var(--color-dark);
    border: 1px solid var(--color-dark-border);
    border-radius: 0.5rem;
}

.engine-cta-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.engine-cta-content p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin: 0;
}

.engine-cta-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

/* =============================================
   PHOTOSWIPE OVERRIDES (dark theme)
   ============================================= */
.pswp {
    --pswp-bg: rgba(10, 12, 20, 0.95);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 991px) {
    .engine-hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .engine-gallery {
        position: static;
    }
    .engine-components-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

@media (max-width: 767px) {
    .engine-hero {
        padding: 0.5rem 0 3rem;
    }
    .engine-cta-box {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
    }
    .engine-cta-actions {
        flex-direction: column;
        width: 100%;
    }
    .engine-cta-actions .btn-primary-sme,
    .engine-cta-actions .btn-outline-sme {
        justify-content: center;
        width: 100%;
    }
    .engine-contact-actions {
        flex-direction: column;
    }
    .engine-contact-actions .btn-primary-sme,
    .engine-contact-actions .btn-outline-sme {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 575px) {
    .engine-gallery-main {
        aspect-ratio: auto;
    }
    .engine-thumb {
        width: 56px;
        height: 56px;
    }
}