/* ==========================================================================
   VIODUS PRODUCTION LINE SHOWCASE (ÜRETİM HATTIMIZ)
   Luxury Industrial UX/UI Design - Desktop & Mobile Responsive
   ========================================================================== */

:root {
    --vuh-navy-dark: #090f1d;
    --vuh-navy: #0f172a;
    --vuh-navy-light: #1e293b;
    --vuh-gold: #c5a059;
    --vuh-gold-light: #dfba73;
    --vuh-gold-dark: #a27f3b;
    --vuh-gold-glow: rgba(197, 160, 89, 0.25);
    --vuh-cyan: #0284c7;
    --vuh-cyan-light: #38bdf8;
    --vuh-slate-bg: #f8fafc;
    --vuh-slate-card: #ffffff;
    --vuh-slate-border: #e2e8f0;
    --vuh-text-main: #0f172a;
    --vuh-text-muted: #64748b;
    --vuh-radius: 12px;
}

.vuh-wrapper {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--vuh-text-main);
    line-height: 1.6;
    margin: 0 auto;
    max-width: 1280px;
    padding: 10px 20px 80px 20px;
    box-sizing: border-box;
}

/* --------------------------------------------------------------------------
   1. HERO SECTION (LUXURY INDUSTRIAL DARK BANNER)
   -------------------------------------------------------------------------- */
.vuh-hero {
    position: relative;
    background: linear-gradient(135deg, #090f1d 0%, #0f172a 50%, #1e293b 100%);
    border-radius: 20px;
    padding: 60px 40px;
    margin-bottom: 40px;
    color: #ffffff;
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.vuh-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--vuh-gold-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.vuh-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 0%, var(--vuh-gold) 50%, transparent 100%);
}

.vuh-hero-content {
    position: relative;
    z-index: 2;
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.vuh-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(197, 160, 89, 0.12);
    border: 1px solid rgba(197, 160, 89, 0.35);
    color: var(--vuh-gold-light);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 8px 18px;
    border-radius: 9999px;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
}

.vuh-hero-title {
    font-size: 38px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.25;
    margin: 0 0 18px 0;
    letter-spacing: -0.5px;
}

.vuh-hero-title span {
    color: var(--vuh-gold-light);
    display: inline-block;
}

.vuh-hero-subtitle {
    font-size: 16.5px;
    color: #cbd5e1;
    line-height: 1.7;
    margin: 0 auto 30px auto;
    font-weight: 400;
}

.vuh-hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.vuh-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--vuh-gold) 0%, var(--vuh-gold-dark) 100%);
    color: #ffffff !important;
    font-size: 14.5px;
    font-weight: 700;
    padding: 13px 26px;
    border-radius: 10px;
    text-decoration: none !important;
    transition: all 0.25s ease;
    box-shadow: 0 8px 20px var(--vuh-gold-glow);
    border: none;
    cursor: pointer;
}

.vuh-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(197, 160, 89, 0.4);
    color: #ffffff !important;
}

.vuh-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff !important;
    font-size: 14.5px;
    font-weight: 600;
    padding: 13px 24px;
    border-radius: 10px;
    text-decoration: none !important;
    transition: all 0.25s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
}

.vuh-btn-outline:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    color: #ffffff !important;
}

/* --------------------------------------------------------------------------
   2. KPI METRICS STRIP (4 TRUST PILLARS)
   -------------------------------------------------------------------------- */
.vuh-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.vuh-metric-card {
    background: #ffffff;
    border: 1px solid var(--vuh-slate-border);
    border-radius: var(--vuh-radius);
    padding: 24px 20px;
    text-align: center;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
    position: relative;
    overflow: hidden;
}

.vuh-metric-card:hover {
    transform: translateY(-4px);
    border-color: var(--vuh-gold);
    box-shadow: 0 12px 24px -10px var(--vuh-gold-glow);
}

.vuh-metric-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #e2e8f0;
    transition: background 0.25s ease;
}

.vuh-metric-card:hover::after {
    background: var(--vuh-gold);
}

.vuh-metric-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 12px auto;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
    color: var(--vuh-navy);
    transition: all 0.25s ease;
}

.vuh-metric-card:hover .vuh-metric-icon {
    background: rgba(197, 160, 89, 0.15);
    color: var(--vuh-gold-dark);
}

.vuh-metric-val {
    font-size: 26px;
    font-weight: 800;
    color: var(--vuh-navy);
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.vuh-metric-label {
    font-size: 13.5px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
}

.vuh-metric-desc {
    font-size: 12px;
    color: var(--vuh-text-muted);
    line-height: 1.45;
    margin: 0;
}

/* --------------------------------------------------------------------------
   3. SECTION HEADERS
   -------------------------------------------------------------------------- */
.vuh-section-header {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 40px auto;
}

.vuh-section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--vuh-gold-dark);
    margin-bottom: 10px;
}

.vuh-section-tag::before,
.vuh-section-tag::after {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--vuh-gold);
}

.vuh-section-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--vuh-navy);
    line-height: 1.3;
    margin: 0 0 12px 0;
}

.vuh-section-subtitle {
    font-size: 15.5px;
    color: var(--vuh-text-muted);
    line-height: 1.6;
    margin: 0;
}



/* --------------------------------------------------------------------------
   5. PHOTO GALLERY (13 ORIGINAL CATALOG FACTORY PHOTOS)
   -------------------------------------------------------------------------- */
.vuh-gallery-section {
    margin-bottom: 70px;
}

/* Filter Buttons */
.vuh-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.vuh-filter-btn {
    background: #ffffff;
    border: 1px solid var(--vuh-slate-border);
    color: #475569;
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vuh-filter-btn:hover {
    color: var(--vuh-navy);
    border-color: #cbd5e1;
    background: #f1f5f9;
}

.vuh-filter-btn.is-active {
    background: var(--vuh-navy);
    color: #ffffff;
    border-color: var(--vuh-navy);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* Gallery Grid */
.vuh-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.vuh-photo-card {
    background: #ffffff;
    border: 1px solid var(--vuh-slate-border);
    border-radius: var(--vuh-radius);
    overflow: hidden;
    transition: all 0.28s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.03);
}

.vuh-photo-card:hover {
    transform: translateY(-5px);
    border-color: #cbd5e1;
    box-shadow: 0 16px 30px -10px rgba(15, 23, 42, 0.12);
}

.vuh-photo-card.is-hidden {
    display: none !important;
}

.vuh-photo-thumb {
    position: relative;
    width: 100%;
    height: 220px;
    background: #0f172a;
    overflow: hidden;
    cursor: pointer;
}

.vuh-photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.vuh-photo-card:hover .vuh-photo-thumb img {
    transform: scale(1.06);
}

.vuh-photo-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.vuh-photo-card:hover .vuh-photo-overlay {
    opacity: 1;
}

.vuh-zoom-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--vuh-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    transform: scale(0.85);
    transition: transform 0.25s ease;
}

.vuh-photo-card:hover .vuh-zoom-btn {
    transform: scale(1);
}

.vuh-badge-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 23, 42, 0.85);
    color: var(--vuh-gold-light);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(197, 160, 89, 0.3);
    backdrop-filter: blur(4px);
    z-index: 2;
}

.vuh-photo-info {
    padding: 18px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.vuh-photo-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--vuh-navy);
    margin: 0 0 6px 0;
    line-height: 1.4;
}

.vuh-photo-desc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
    margin: 0 0 14px 0;
}

.vuh-photo-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
}

.vuh-btn-view-photo {
    background: none;
    border: none;
    color: var(--vuh-gold-dark);
    font-size: 12.5px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s ease;
}

.vuh-btn-view-photo:hover {
    color: var(--vuh-navy);
}

.vuh-photo-count {
    font-size: 11.5px;
    font-weight: 600;
    color: #94a3b8;
}

/* --------------------------------------------------------------------------
   6. MACHINE PARK & TECHNICAL SPECS
   -------------------------------------------------------------------------- */
.vuh-machines-section {
    background: #ffffff;
    border: 1px solid var(--vuh-slate-border);
    border-radius: 20px;
    padding: 50px 40px;
    margin-bottom: 70px;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.03);
}

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

.vuh-machine-item {
    padding: 20px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.vuh-machine-item:hover {
    background: #ffffff;
    border-color: var(--vuh-gold);
    box-shadow: 0 8px 20px -8px var(--vuh-gold-glow);
}

.vuh-machine-name {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--vuh-navy);
    margin: 0 0 6px 0;
}

.vuh-machine-purpose {
    font-size: 12.5px;
    color: var(--vuh-gold-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 8px;
}

.vuh-machine-detail {
    font-size: 13px;
    color: #475569;
    line-height: 1.5;
    margin: 0;
}

/* --------------------------------------------------------------------------
   7. OFFICIAL 2027 CATALOG SHOWCASE
   -------------------------------------------------------------------------- */
.vuh-catalog-showcase {
    background: linear-gradient(135deg, #090f1d 0%, #1e293b 100%);
    border-radius: 20px;
    padding: 50px 40px;
    margin-bottom: 70px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.vuh-catalog-preview {
    flex: 0 0 340px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 3px solid rgba(197, 160, 89, 0.4);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.vuh-catalog-preview:hover {
    transform: scale(1.03);
}

.vuh-catalog-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.vuh-catalog-info {
    flex: 1;
}

.vuh-catalog-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--vuh-gold-light);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.vuh-catalog-title {
    font-size: 28px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 14px 0;
    line-height: 1.3;
}

.vuh-catalog-desc {
    font-size: 15px;
    color: #cbd5e1;
    line-height: 1.65;
    margin: 0 0 24px 0;
}

/* --------------------------------------------------------------------------
   8. B2B / WHOLESALE & ARCHITECTURAL CTA
   -------------------------------------------------------------------------- */
.vuh-cta-block {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px dashed #cbd5e1;
    border-radius: 20px;
    padding: 45px 35px;
    text-align: center;
}

.vuh-cta-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--vuh-navy);
    margin: 0 0 10px 0;
}

.vuh-cta-desc {
    font-size: 15px;
    color: #475569;
    max-width: 740px;
    margin: 0 auto 26px auto;
    line-height: 1.6;
}

.vuh-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.vuh-btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #10b981;
    color: #ffffff !important;
    font-size: 14.5px;
    font-weight: 700;
    padding: 13px 26px;
    border-radius: 10px;
    text-decoration: none !important;
    transition: all 0.25s ease;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

.vuh-btn-whatsapp:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(16, 185, 129, 0.35);
    color: #ffffff !important;
}

/* --------------------------------------------------------------------------
   9. LIGHTBOX MODAL (FULLSCREEN POPUP)
   -------------------------------------------------------------------------- */
.vuh-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(9, 15, 29, 0.94);
    backdrop-filter: blur(10px);
    z-index: 9999999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.vuh-lightbox.is-open {
    display: flex;
    opacity: 1;
}

.vuh-lightbox-container {
    position: relative;
    max-width: 1100px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.vuh-lightbox-img-wrap {
    position: relative;
    max-height: 75vh;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
}

.vuh-lightbox-img {
    max-width: 100%;
    max-height: 75vh;
    display: block;
    object-fit: contain;
}

.vuh-lightbox-caption {
    margin-top: 16px;
    text-align: center;
    color: #ffffff;
}

.vuh-lightbox-title {
    font-size: 17px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 4px 0;
}

.vuh-lightbox-sub {
    font-size: 13px;
    color: var(--vuh-gold-light);
    margin: 0;
}

.vuh-lightbox-close {
    position: absolute;
    top: -45px;
    right: 0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vuh-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.vuh-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}

.vuh-lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-50%) scale(1.08);
}

.vuh-lightbox-prev {
    left: -70px;
}

.vuh-lightbox-next {
    right: -70px;
}

/* --------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
    .vuh-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .vuh-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .vuh-machines-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .vuh-lightbox-prev {
        left: 10px;
    }
    .vuh-lightbox-next {
        right: 10px;
    }
}

@media (max-width: 991px) {
    .vuh-hero {
        padding: 45px 25px;
    }
    .vuh-hero-title {
        font-size: 30px;
    }
    .vuh-hero-subtitle {
        font-size: 15px;
    }
    .vuh-catalog-showcase {
        flex-direction: column;
        text-align: center;
        padding: 40px 25px;
    }
    .vuh-catalog-preview {
        flex: 0 0 auto;
        max-width: 280px;
    }
}

@media (max-width: 767px) {
    .vuh-wrapper {
        padding: 10px 12px 60px 12px;
    }
    .vuh-hero-title {
        font-size: 24px;
    }
    .vuh-metrics-grid {
        grid-template-columns: 1fr;
    }
    .vuh-gallery-grid {
        grid-template-columns: 1fr;
    }
    .vuh-machines-grid {
        grid-template-columns: 1fr;
    }
    .vuh-section-title {
        font-size: 24px;
    }
    .vuh-photo-thumb {
        height: 200px;
    }
}