/* ============================================
   NovoAbrasive — Product Page Styles
   Shared across all 627 product detail pages
   ============================================ */

:root {
  --navy: #0D1B2A; --navy-mid: #1E3A5F; --navy-light: #2A4A72;
  --orange: #F5A623; --orange-glow: #F7B84E;
  --white: #FFF; --off-white: #F9FAFB;
  --gray-50: #F5F6F8; --gray-100: #EBEDF0; --gray-200: #D4D7DD;
  --gray-400: #9BA1AB; --gray-600: #5F6672; --gray-800: #2E3440;
  --green: #22C55E; --red: #EF4444;
  --font-h: 'Space Grotesk', sans-serif; --font-b: 'Inter', sans-serif;
  --radius: 12px; --radius-sm: 6px; --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(13,27,42,.06), 0 4px 16px rgba(13,27,42,.04);
  --shadow-lg: 0 4px 24px rgba(13,27,42,.1);
  --ease: cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-b); color: var(--gray-800); line-height: 1.6; background: var(--white); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 2rem; }
.topbar { background: var(--navy); padding: .625rem 2rem; font-size: .75rem; position: sticky; top: 0; z-index: 1001; }
.topbar-inner { max-width: 1240px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.topbar-certs { display: flex; gap: 1.25rem; color: rgba(255,255,255,.55); }
.topbar-cert { display: flex; align-items: center; gap: .375rem; }
.topbar-cert i { color: var(--orange); width: 12px; height: 12px; }
.topbar-langs { display: flex; gap: .125rem; }
.topbar-lang { padding: .25rem .5rem; color: rgba(255,255,255,.4); border-radius: 4px; font-weight: 500; font-size: .6875rem; transition: all .2s var(--ease); }
.topbar-lang:hover { color: rgba(255,255,255,.7); }
.topbar-lang.active { background: var(--orange); color: var(--navy); }
.header { position: sticky; top: 40px; background: rgba(13,27,42,0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); z-index: 1000; border-bottom: 1px solid rgba(255,255,255,0.06); }
.header.scrolled { background: rgba(13,27,42,0.98); box-shadow: 0 4px 24px rgba(0,0,0,0.3); }
.header-inner { max-width: 1240px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; height: 64px; padding: 0 2rem; }
.header-logo { font-family: var(--font-h); font-size: 1.375rem; font-weight: 700; color: var(--white); letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.logo-text { font-family: var(--font-h); font-size: 1.375rem; font-weight: 700; color: var(--white); letter-spacing: .02em; }
.logo-highlight { color: var(--orange); }
.logo { font-family: var(--font-h); font-size: 1.375rem; font-weight: 700; color: var(--white); letter-spacing: -.02em; }
.logo span { color: var(--orange); }
.header-nav { display: flex; align-items: center; gap: .5rem; }
.nav { display: flex; gap: .5rem; align-items: center; }
.nav a, .nav-link { padding: .75rem 1rem; color: rgba(255,255,255,0.75); font-weight: 500; font-size: .88rem; border-radius: var(--radius-sm); transition: color .3s var(--ease); display: inline-flex; align-items: center; gap: .25rem; min-height: 44px; position: relative; }
.nav a:hover, .nav-link:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav a::after, .nav-link::after { content: ''; position: absolute; bottom: 4px; left: 1rem; right: 1rem; height: 2px; background: var(--orange); transform: scaleX(0); transition: transform .3s var(--ease); }
.nav a:hover::after, .nav-link:hover::after { transform: scaleX(1); }
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown-trigger { display: inline-flex; align-items: center; gap: 4px; color: rgba(255,255,255,0.75); font-size: .88rem; font-weight: 500; padding: .75rem 1rem; transition: all .3s var(--ease); min-height: 44px; border-radius: var(--radius-sm); cursor: pointer; }
.nav-dropdown-trigger:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-dropdown-panel { position: absolute; top: calc(100% + 5px); left: 0; background: var(--white); border-radius: 8px; box-shadow: 0 8px 40px rgba(26,26,26,0.12); min-width: 300px; max-height: 80vh; overflow-y: auto; padding: .75rem 0; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s var(--ease); z-index: 100; }
.nav-dropdown-panel::before { content: ''; position: absolute; top: -15px; left: 0; right: 0; height: 20px; }
.nav-dropdown:hover .nav-dropdown-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.dd-group-label { display: block; font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); padding: .75rem 1.25rem .25rem; margin-top: .5rem; }
.dd-group-label:first-child { margin-top: 0; }
.dd-link { display: flex; align-items: center; gap: .75rem; padding: .5rem 1.25rem; color: var(--gray-800); font-size: .88rem; font-weight: 500; transition: all .3s var(--ease); min-height: 40px; }
.dd-link:hover { background: var(--gray-50); color: var(--navy-mid); }
.dd-link i { color: var(--navy-mid); width: 18px; height: 18px; flex-shrink: 0; }
.dd-link-count { margin-left: auto; font-size: .72rem; font-family: 'SF Mono', monospace; color: var(--gray-400); }
.header-cta { margin-left: 8px; }
.btn-sm { padding: .5rem 1rem; font-size: .8125rem; min-height: 44px; }
.btn { padding: .5rem 1rem; font-weight: 600; font-size: .8125rem; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: .375rem; border-radius: var(--radius-sm); font-family: var(--font-b); transition: all .2s var(--ease); white-space: nowrap; }
.btn-primary { background: var(--orange); color: var(--navy); }
.btn-primary:hover { background: var(--orange-glow); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(245,166,35,.3); }
.btn-outline { background: transparent; border: 1.5px solid var(--gray-200); color: var(--gray-600); }
.btn-outline:hover { border-color: var(--navy); color: var(--navy); }
.btn-lg { padding: .75rem 1.5rem; font-size: .875rem; border-radius: var(--radius); }
.mobile-menu-btn { display: none; color: var(--white); }
body.menu-open { overflow: hidden; }
.mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #0D1B2A; z-index: 1001; flex-direction: column; padding: 2rem; overflow-y: auto; }
.mobile-menu.active { display: flex; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; }
.mobile-menu-header .logo-text { font-family: var(--font-h); font-weight: 800; font-size: 1.5rem; color: white; }
.mobile-menu-header .logo-highlight { color: var(--orange); }
.mobile-menu-close { background: none; border: none; color: white; padding: .5rem; cursor: pointer; min-width: 48px; min-height: 48px; display: flex; align-items: center; justify-content: center; }
.mobile-menu-nav { margin-top: 3rem; display: flex; flex-direction: column; }
.mobile-nav { margin-top: 2rem; display: flex; flex-direction: column; }
.mobile-nav-link { color: white; font-family: var(--font-h); font-size: 1.15rem; font-weight: 600; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,.06); text-decoration: none; display: flex; align-items: center; justify-content: space-between; min-height: 48px; }
.mobile-nav-link:hover { color: var(--orange); }
.mobile-subnav { display: none; flex-direction: column; padding-left: 1rem; }
.mobile-subnav.active { display: flex; }
.mobile-subnav a { color: rgba(255,255,255,0.6); font-size: .9rem; padding: .5rem 0; text-decoration: none; min-height: 44px; display: flex; align-items: center; }
.mobile-subnav a:hover { color: var(--orange); }
.mobile-menu-cta { margin-top: 2rem; display: flex; flex-direction: column; gap: .75rem; }
.mobile-menu-cta .btn { width: 100%; justify-content: center; }
.mobile-menu-langs { margin-top: 1.5rem; display: flex; gap: .5rem; flex-wrap: wrap; }
.mobile-lang { padding: .5rem .75rem; color: rgba(255,255,255,0.5); font-size: .875rem; font-weight: 500; text-decoration: none; border-radius: var(--radius-sm); min-height: 40px; display: inline-flex; align-items: center; }
.mobile-lang:hover { color: white; background: rgba(255,255,255,0.1); }
.mobile-lang.active { background: var(--orange); color: var(--navy); }
.mobile-lang-dropdown { margin-top: 1.5rem; position: relative; }
.mobile-lang-trigger { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: .75rem 1rem; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); color: white; font-size: .9rem; font-weight: 500; cursor: pointer; transition: all .2s var(--ease); min-height: 48px; font-family: var(--font-b); }
.mobile-lang-trigger:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }
.mobile-lang-trigger i { transition: transform .2s ease; }
.mobile-lang-dropdown.open .mobile-lang-trigger { border-color: var(--orange); background: rgba(245,166,35,0.08); }
.mobile-lang-dropdown.open .mobile-lang-trigger i { transform: rotate(180deg); }
.mobile-lang-list { display: none; flex-direction: column; margin-top: .5rem; border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); overflow: hidden; background: rgba(13,27,42,0.95); }
.mobile-lang-dropdown.open .mobile-lang-list { display: flex; }
.mobile-lang-option { display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem; color: rgba(255,255,255,0.6); font-size: .875rem; font-weight: 500; text-decoration: none; transition: all .2s var(--ease); min-height: 44px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.mobile-lang-option:last-child { border-bottom: none; }
.mobile-lang-option:hover { background: rgba(255,255,255,0.06); color: white; }
.mobile-lang-option.active { color: var(--orange); background: rgba(245,166,35,0.08); }
.mobile-lang-option .lang-abbr { font-family: 'SF Mono', monospace; font-size: .75rem; font-weight: 600; min-width: 28px; text-transform: uppercase; letter-spacing: .05em; }
.mobile-lang-option .lang-name { flex: 1; }
.breadcrumbs { padding: .75rem 2rem; font-size: .75rem; background: rgba(13,27,42,0.88); border-bottom: 1px solid rgba(255,255,255,0.06); }
.breadcrumbs-inner { max-width: 1240px; margin: 0 auto; display: flex; align-items: center; gap: .375rem; flex-wrap: wrap; }
.breadcrumbs a { color: rgba(255,255,255,0.7); transition: color .2s; }
.breadcrumbs a:hover { color: var(--white); }
.breadcrumbs .sep { color: rgba(255,255,255,0.3); font-size: .625rem; }
.breadcrumbs .current { color: var(--white); font-weight: 500; }
.product-hero { padding: 2rem 0 0; }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.product-gallery { position: sticky; top: 80px; }
.product-image-main { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.product-image-main::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 40%, rgba(30,58,95,.03) 0%, transparent 60%), radial-gradient(circle at 70% 60%, rgba(245,166,35,.03) 0%, transparent 60%); }
.product-image-placeholder { text-align: center; color: var(--gray-400); position: relative; z-index: 1; }
.product-image-placeholder i { opacity: .3; }
.product-image-placeholder p { margin-top: .75rem; font-size: .8125rem; font-weight: 500; }
.product-thumbs { display: flex; gap: .5rem; margin-top: .75rem; }
.product-thumb { width: 64px; height: 64px; border-radius: var(--radius-sm); border: 2px solid var(--gray-100); background: var(--gray-50); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .2s var(--ease); }
.product-thumb:hover, .product-thumb.active { border-color: var(--navy-mid); }
.product-info { padding-top: .5rem; }
.product-badges { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: .25rem; padding: .25rem .625rem; border-radius: 100px; font-size: .6875rem; font-weight: 600; letter-spacing: .02em; }
.badge-brand { background: var(--navy); color: var(--white); }
.badge-cert { background: rgba(34,197,94,.1); color: #16a34a; border: 1px solid rgba(34,197,94,.2); }
.badge-cert i { width: 12px; height: 12px; }
.badge-series { background: rgba(245,166,35,.12); color: #c2790e; border: 1px solid rgba(245,166,35,.2); }
.product-info h1 { font-family: var(--font-h); font-size: clamp(1.25rem, 2.5vw, 1.625rem); font-weight: 700; line-height: 1.3; color: var(--navy); margin-bottom: .75rem; letter-spacing: -.02em; }
.product-meta { display: flex; gap: 1.5rem; align-items: center; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--gray-100); }
.product-sku { font-size: .8125rem; color: var(--gray-400); font-family: 'SF Mono', 'Fira Code', monospace; }
.product-sku strong { color: var(--gray-600); }
.product-type { font-size: .8125rem; color: var(--gray-400); display: flex; align-items: center; gap: .375rem; }
.product-type i { width: 14px; height: 14px; color: var(--gray-400); }
.key-props { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .75rem; margin-bottom: 1.5rem; }
.key-prop { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: .875rem 1rem; text-align: center; }
.key-prop-value { font-family: var(--font-h); font-size: 1.25rem; font-weight: 700; color: var(--navy); line-height: 1.2; }
.key-prop-value small { font-size: .75rem; font-weight: 400; color: var(--gray-400); }
.key-prop-label { font-size: .6875rem; color: var(--gray-400); margin-top: .25rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 500; }
.product-cta { display: flex; gap: .75rem; margin-bottom: 2rem; flex-wrap: wrap; padding: 1.25rem; background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: var(--radius); }
.product-cta .btn-primary { flex: 1; justify-content: center; min-width: 200px; }
.product-cta-hint { width: 100%; font-size: .6875rem; color: var(--gray-400); text-align: center; margin-top: .25rem; }
.quick-info { display: flex; gap: 1.5rem; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--gray-100); }
.quick-info-item { display: flex; align-items: center; gap: .5rem; font-size: .8125rem; color: var(--gray-600); }
.quick-info-item i { width: 16px; height: 16px; color: var(--navy-mid); }
.product-summary { padding: clamp(24px, 3vw, 40px) 0; border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100); background: var(--gray-50, #F9FAFB); }
.product-summary .container { max-width: 800px; }
.product-summary-text { font-size: .9375rem; line-height: 1.75; color: var(--gray-600); margin: 0; }
.product-details { padding: 2.5rem 0 3rem; }
.detail-card { background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg); padding: 1.75rem 2rem; margin-bottom: 1.25rem; transition: box-shadow .2s var(--ease); }
.detail-card:hover { box-shadow: var(--shadow); }
.detail-card:last-child { margin-bottom: 0; }
.detail-card-header { display: flex; align-items: center; gap: .625rem; margin-bottom: 1.25rem; padding-bottom: .75rem; border-bottom: 1px solid var(--gray-100); }
.detail-card-header h2 { font-family: var(--font-h); font-size: 1rem; font-weight: 700; color: var(--navy); letter-spacing: -.01em; }
.detail-card-header i { width: 20px; height: 20px; color: var(--orange); }
.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.specs-block h3 { font-family: var(--font-h); font-size: .8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--navy-mid); margin-bottom: .75rem; padding-bottom: .5rem; border-bottom: 1px solid var(--gray-100); display: flex; align-items: center; gap: .5rem; }
.specs-block h3 i { width: 16px; height: 16px; color: var(--orange); }
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table tr { border-bottom: 1px solid var(--gray-100); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td { padding: .5rem 0; font-size: .8125rem; }
.specs-table td:first-child { color: var(--gray-400); width: 50%; padding-right: .75rem; }
.specs-table td:last-child { font-weight: 500; color: var(--gray-800); }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.app-block { background: var(--gray-50); border-radius: var(--radius); padding: 1rem 1.25rem; border: 1px solid var(--gray-100); }
.app-block h4 { font-family: var(--font-h); font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--navy-mid); margin-bottom: .625rem; display: flex; align-items: center; gap: .375rem; }
.app-block h4 i { width: 14px; height: 14px; color: var(--orange); }
.app-tags { display: flex; flex-wrap: wrap; gap: .375rem; }
.app-tag { display: inline-flex; align-items: center; gap: .25rem; padding: .375rem .75rem; border-radius: 100px; font-size: .75rem; font-weight: 500; transition: all .2s var(--ease); }
.app-tag-op { background: rgba(30,58,95,.06); color: var(--navy-mid); border: 1px solid rgba(30,58,95,.1); }
.app-tag-mat { background: rgba(245,166,35,.08); color: #b47a12; border: 1px solid rgba(245,166,35,.15); }
.app-tag-ind { background: rgba(34,197,94,.06); color: #16a34a; border: 1px solid rgba(34,197,94,.12); }
.app-tag i { width: 12px; height: 12px; }
.app-matrix { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .75rem; margin-top: 1rem; }
.app-matrix-card { background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 1rem; text-align: center; transition: all .2s var(--ease); }
.app-matrix-card:hover { border-color: var(--navy-mid); transform: translateY(-2px); box-shadow: var(--shadow); }
.app-matrix-card i { width: 24px; height: 24px; color: var(--navy-mid); margin-bottom: .5rem; }
.app-matrix-card p { font-size: .75rem; font-weight: 500; color: var(--gray-600); }
.product-desc { max-width: 720px; font-size: .9375rem; line-height: 1.75; color: var(--gray-600); }
.product-desc h3 { font-family: var(--font-h); font-size: 1.125rem; font-weight: 700; color: var(--navy); margin-bottom: 1rem; margin-top: 2rem; }
.product-desc h3:first-child { margin-top: 0; }
.product-desc p { margin-bottom: 1rem; }
.product-desc ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.product-desc li { margin-bottom: .375rem; }
.product-desc strong { color: var(--gray-800); font-weight: 600; }
.docs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .75rem; }
.doc-card { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.25rem; background: var(--gray-50); border: 1px solid var(--gray-100); border-radius: var(--radius); transition: all .2s var(--ease); cursor: pointer; }
.doc-card:hover { border-color: var(--navy-mid); background: var(--white); box-shadow: var(--shadow); }
.doc-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); background: rgba(30,58,95,.06); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.doc-icon i { width: 20px; height: 20px; color: var(--navy-mid); }
.doc-info { flex: 1; }
.doc-title { font-size: .8125rem; font-weight: 600; color: var(--gray-800); line-height: 1.3; }
.doc-type { font-size: .6875rem; color: var(--gray-400); margin-top: .125rem; }
.cross-sell { padding: 3rem 0; border-top: 1px solid var(--gray-100); }
.cross-sell-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.cross-sell-header h2 { font-family: var(--font-h); font-size: 1.25rem; font-weight: 700; color: var(--navy); }
.cross-sell-header a { font-size: .8125rem; color: var(--navy-mid); font-weight: 500; display: flex; align-items: center; gap: .25rem; }
.cross-sell-header a:hover { color: var(--orange); }
.cross-sell-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cross-card { border: 1px solid var(--gray-100); border-radius: var(--radius); padding: 1.25rem; display: flex; flex-direction: column; transition: all .3s var(--ease); }
.cross-card:hover { border-color: var(--navy-mid); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cross-card-img { background: var(--gray-50); border-radius: var(--radius-sm); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; color: var(--gray-200); }
.cross-card h4 { font-size: .8125rem; font-weight: 600; line-height: 1.35; margin-bottom: .375rem; color: var(--navy); }
.cross-card-meta { font-size: .6875rem; color: var(--gray-400); font-family: 'SF Mono', monospace; }
.cross-card-specs { display: flex; gap: .375rem; margin-top: .5rem; flex-wrap: wrap; }
.cross-card-spec { font-size: .625rem; padding: .125rem .375rem; background: var(--gray-50); border-radius: 3px; color: var(--gray-600); font-weight: 500; }
.footer { background: var(--navy); color: rgba(255,255,255,.5); padding: 3.5rem 2rem 2rem; }
.footer-grid { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-brand .logo { margin-bottom: .75rem; display: inline-block; color: var(--white); }
.footer-brand p { font-size: .8125rem; line-height: 1.6; max-width: 260px; }
.footer-title { color: var(--orange); font-size: .6875rem; font-weight: 600; letter-spacing: .1em; margin-bottom: .75rem; text-transform: uppercase; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: .375rem; }
.footer-links a { color: rgba(255,255,255,.45); font-size: .8125rem; transition: color .2s; }
.footer-links a:hover { color: var(--orange); }
.footer-bottom { max-width: 1240px; margin: 0 auto; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; font-size: .75rem; }
@media (max-width: 1024px) {
  .header-nav, .nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .header-cta { display: none; }
  .product-layout { grid-template-columns: 1fr; gap: 2rem; }
  .product-gallery { position: static; }
  .specs-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr; }
  .cross-sell-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .topbar { padding: .5rem 1rem; position: relative; top: auto; }
  .topbar-certs { display: none; }
  .header { top: 0; }
  .header-inner { padding: 0 1rem; height: 56px; }
  .nav { display: none; }
  .mobile-menu-btn { display: flex; background: none; border: none; padding: .375rem; cursor: pointer; color: var(--white); }
  .breadcrumbs { padding: .625rem 1rem; }
  .container { padding: 0 1rem; }
  .product-hero { padding: 1.25rem 0 0; }
  .key-props { grid-template-columns: repeat(2, 1fr); }
  .product-cta { flex-direction: column; }
  .product-cta .btn { width: 100%; justify-content: center; }
  .detail-card { padding: 1.25rem 1rem; }
  .cross-sell-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .docs-grid { grid-template-columns: 1fr; }
  .footer { padding: 2.5rem 1.5rem 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: .75rem; text-align: center; }
}
@media (max-width: 480px) {
  .key-props { grid-template-columns: 1fr 1fr; gap: .5rem; }
  .quick-info { flex-direction: column; gap: .75rem; }
}

/* ============================================
   v2.6.0 — Product Page Enhancements
   ============================================ */

/* ── Key-prop icons ── */
.key-prop { position: relative; }
.key-prop-icon { width: 16px; height: 16px; color: var(--orange); opacity: .6; margin-bottom: .25rem; }

/* ── Series Positioning Strip ── */
.series-strip {
  display: flex; gap: .5rem; margin-bottom: 1.5rem;
  padding: .75rem; background: var(--gray-50); border: 1px solid var(--gray-100);
  border-radius: var(--radius);
}
.series-strip-item {
  flex: 1; text-align: center; padding: .625rem .375rem;
  border-radius: var(--radius-sm); transition: all .2s var(--ease);
  opacity: .4; position: relative; border: 1.5px solid transparent;
}
.series-strip-item--active {
  opacity: 1; background: var(--white);
  border-color: var(--orange); box-shadow: var(--shadow);
}
.series-strip-stars { display: flex; justify-content: center; gap: 2px; margin-bottom: .375rem; }
.series-strip-stars i {
  color: var(--gray-200);
  fill: var(--gray-200);
  width: 12px; height: 12px;
}
.series-strip-item--active .series-strip-stars i {
  color: var(--orange);
  fill: var(--orange);
  filter: drop-shadow(0 1px 2px rgba(245,166,35,.4));
}
.series-strip-label {
  display: block; font-family: var(--font-h); font-size: .6875rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: .04em;
  color: var(--gray-400);
}
.series-strip-item--active .series-strip-label { color: var(--navy); font-weight: 700; }
.series-strip-current {
  display: inline-block; font-size: .5rem; color: var(--white);
  background: var(--orange); font-weight: 700; margin-top: .375rem;
  text-transform: uppercase; letter-spacing: .04em;
  padding: .125rem .5rem; border-radius: 100px;
}

/* ── Quick Info Expansion ── */
.quick-info-item--green { color: #16a34a; }
.quick-info-item--green i { color: #16a34a; }

/* ── Trust Bar ── */
.trust-bar {
  display: flex; flex-wrap: wrap; gap: .75rem;
  padding: .75rem 0; margin-top: .25rem;
}
.trust-item {
  display: inline-flex; align-items: center; gap: .375rem;
  font-size: .6875rem; font-weight: 500; color: var(--gray-400);
  letter-spacing: .01em;
}
.trust-item i { width: 14px; height: 14px; color: #16a34a; }

/* ── Product Image ── */
.product-image-main { cursor: zoom-in; }
.product-image-photo {
  width: 100%; height: 100%; object-fit: contain;
}

/* ── Image Lightbox ── */
.product-lightbox {
  display: none; position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,.85); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
  padding: 2rem; cursor: zoom-out;
}
.product-lightbox.active { display: flex; }
.product-lightbox-close {
  position: absolute; top: 1rem; right: 1.5rem;
  background: none; border: none; color: #fff;
  font-size: 2.5rem; cursor: pointer; line-height: 1;
  width: 48px; height: 48px; display: flex;
  align-items: center; justify-content: center;
  opacity: .7; transition: opacity .2s;
}
.product-lightbox-close:hover { opacity: 1; }
.product-lightbox-img {
  max-width: 90vw; max-height: 85vh;
  object-fit: contain; border-radius: 8px;
  cursor: default;
}

/* ── FAQ Section ── */
.faq-list { display: flex; flex-direction: column; gap: .25rem; }
.faq-item {
  border: 1px solid var(--gray-100); border-radius: var(--radius);
  overflow: hidden; transition: all .2s var(--ease);
}
.faq-item[open] { border-color: var(--navy-mid); box-shadow: var(--shadow); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; cursor: pointer;
  font-family: var(--font-h); font-size: .875rem; font-weight: 600;
  color: var(--navy); list-style: none; user-select: none;
  transition: background .2s var(--ease);
}
.faq-question:hover { background: var(--gray-50); }
.faq-question::-webkit-details-marker { display: none; }
.faq-question i { flex-shrink: 0; color: var(--gray-400); transition: transform .2s var(--ease); }
.faq-item[open] .faq-question i { transform: rotate(180deg); color: var(--orange); }
.faq-answer { padding: 0 1.25rem 1rem; }
.faq-answer p {
  font-size: .8125rem; line-height: 1.65; color: var(--gray-600); margin: 0;
}

/* ── Sticky Mobile CTA ── */
.sticky-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  padding: .75rem 1rem; background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--gray-100);
  box-shadow: 0 -4px 16px rgba(13,27,42,.08);
  gap: .5rem; transition: transform .3s var(--ease);
}
.sticky-cta--hidden { transform: translateY(100%); }
.sticky-cta-btn { flex: 1; justify-content: center; }
.sticky-cta-dl { flex: 0; }

/* ── Product Summary (strong enhancement) ── */
.product-summary-text strong { color: var(--navy); font-weight: 600; }

/* ── Mobile responsive additions ── */
@media (max-width: 1024px) {
  .series-strip { gap: .375rem; }
}
@media (max-width: 768px) {
  .sticky-cta { display: flex; }
  body { padding-bottom: 72px; }
  .series-strip { padding: .5rem; gap: .25rem; }
  .series-strip-item { padding: .375rem .25rem; }
  .series-strip-label { font-size: .5625rem; }
  .trust-bar { gap: .5rem; }
  .trust-item { font-size: .625rem; }
  .faq-question { padding: .75rem 1rem; font-size: .8125rem; }
}
@media (max-width: 480px) {
  .series-strip-stars i { width: 8px; height: 8px; }
}