/* Shared layout for the MBB page collection. */
button, summary { font: inherit; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
button:focus-visible, summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
h2, h3 { overflow-wrap: anywhere; }
.site-header { gap: 1.5rem; }
.site-header .brand-mark { width: 84px; height: 30px; }
.site-header .brand-name { font-size: .875rem; }
.site-header .brand-name span { font-size: .75rem; }
.site-header nav { gap: 1.15rem; font-size: .875rem; }
.site-header nav a { position: relative; min-height: 44px; display: flex; align-items: center; }
.site-header nav a[aria-current='page'] { color: var(--teal); }
.site-header nav a[aria-current='page']::after { content: ''; position: absolute; height: 2px; bottom: 3px; left: 0; right: 0; background: var(--teal); }
.menu-toggle { display: none; align-items: center; gap: 1.5rem; min-height: 44px; padding: .6rem 1rem; color: var(--white); background: transparent; border: 1px solid var(--line); border-radius: 3px; cursor: pointer; }
.menu-toggle span { color: var(--teal); font-size: 1.4rem; line-height: 1; }
.theme-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); padding-block: 1.5rem; border-bottom: 1px solid var(--line); gap: 1rem; }
.theme-strip a { display: flex; align-items: center; gap: .85rem; min-height: 48px; padding-left: 1rem; border-left: 1px solid var(--line); font-size: .875rem; font-weight: 700; }
.theme-strip a:first-child { padding-left: 0; border: 0; }
.theme-strip a:hover { color: var(--teal); }
.theme-number { font: 700 1.8rem/1 var(--display); color: var(--teal); }
.page-section { padding-block: 4rem; }
.editorial { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 5vw, 5rem); padding-block: 5rem; }
.editorial-image { min-width: 0; border: 1px solid var(--line); }
.editorial-image svg { width: 100%; height: auto; }
.editorial h2 { font-size: clamp(2.4rem, 3.6vw, 3.6rem); margin: 1rem 0 1.4rem; }
.editorial p:not(.eyebrow) { color: var(--muted); max-width: 60ch; margin-top: 1rem; }
.editorial .button { margin-top: 1.5rem; }
.quality-preview { border-top: 1px solid var(--line); }
.focus-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; }
.focus-card { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--panel); min-width: 0; transition: border-color .15s; }
.focus-card:hover { border-color: var(--teal); }
.focus-card figure { aspect-ratio: 1.25; }
.focus-card svg { width: 100%; height: 100%; }
.focus-card > div { display: flex; flex-direction: column; flex: 1; padding: 1.2rem 1rem 1rem; }
.focus-card h3 { font-size: 1.6rem; line-height: 1.05; }
.focus-card p { color: var(--muted); margin-top: .75rem; font-size: 1rem; line-height: 1.45; }
.focus-card > div > span { display: flex; align-items: center; justify-content: space-between; color: var(--gold-light); padding-top: 1.2rem; margin-top: auto; font-size: .875rem; font-weight: 700; }
.section-action { margin-top: 2rem; margin-bottom: 3rem; }
.page-intro { padding-block: 4rem 3rem; border-bottom: 1px solid var(--line); }
.page-intro.with-image { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: center; gap: 4rem; }
.page-intro h1 { font-size: clamp(2.8rem, 5.2vw, 5rem); line-height: 1.02; max-width: 21ch; margin: 1rem 0 1.5rem; }
.lead { color: var(--muted); font-size: 1.125rem; line-height: 1.65; max-width: 64ch; }
.page-intro .hero-actions { margin-top: 1.75rem; gap: .8rem; }
.page-hero-image { min-width: 0; border-bottom: 3px solid var(--teal); }
.page-hero-image svg { width: 100%; height: auto; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; border-block: 1px solid var(--line); padding-block: 2.5rem; }
.pillars article { padding-right: 1.5rem; }
.pillars article > span { display: block; color: var(--gold-light); font-size: .875rem; margin-bottom: 1.25rem; }
.pillars h3 { font-size: 2.5rem; color: var(--teal); }
.pillars p { color: var(--muted); margin-top: 1rem; max-width: 38ch; }
.page-jumps { display: flex; flex-wrap: wrap; gap: .65rem; padding-block: 1.5rem; }
.page-jumps a { padding: .7rem 1rem; border: 1px solid var(--line); font-size: .875rem; border-radius: 3px; }
.page-jumps a:hover { color: var(--teal); border-color: var(--teal); }
.focus-stories { padding-block: 1.5rem 3rem; }
.focus-story { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 4rem; align-items: center; padding-block: 3rem; border-bottom: 1px solid var(--line); scroll-margin-top: 1rem; }
.focus-story:nth-child(even) { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.focus-story:nth-child(even) figure { order: 2; }
.focus-story figure { width: min(100%, 430px); }
.focus-story svg { width: 100%; height: auto; }
.focus-story h2 { font-size: clamp(2.5rem, 4vw, 3.8rem); margin: .9rem 0 1.1rem; text-transform: uppercase; max-width: 18ch; }
.focus-story p:not(.eyebrow) { color: var(--muted); max-width: 49ch; font-size: 1.125rem; }
.research-note { color: var(--muted); font-size: .875rem; padding-bottom: 3rem; }
.page-cta { background: var(--navy); border-block: 1px solid var(--line); margin-top: 2rem; }
.page-cta > div { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding-block: 3.5rem; }
.page-cta h2 { margin-top: .75rem; font-size: clamp(2.5rem, 3.6vw, 3.75rem); }
.page-cta p:not(.eyebrow) { color: var(--muted); margin-top: 1rem; max-width: 52ch; }
.cta-actions { flex-shrink: 0; }
.cta-actions > div { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1rem; }
.cta-actions .button { min-width: 140px; flex: 1; }
.catalog { padding-block: 2rem 4rem; border-top: 1px solid var(--line); }
.catalog .section-heading { align-items: center; margin-bottom: 1.5rem; }
.catalog-count { display: flex; align-items: center; gap: 1rem; }
.catalog-count strong { color: var(--teal); font: 700 4.5rem/1 var(--display); }
.catalog-count span { max-width: 8ch; color: var(--muted); font-size: .875rem; }
.catalog-intro { max-width: 74ch; color: var(--muted); margin-bottom: 2.25rem; }
.product-directory { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.directory-item { border: 1px solid var(--line); background: var(--panel); padding: 1.35rem 1.5rem; min-width: 0; display: flex; flex-direction: column; }
.directory-item h3 { font-size: 1.8rem; line-height: 1.15; }
.directory-sizes { color: var(--muted); margin: .75rem 0 1.4rem; font-size: 1rem; }
.directory-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .65rem 1rem; padding-top: .85rem; margin-top: auto; border-top: 1px solid var(--line); font-size: .875rem; }
.directory-actions > a:last-child { min-height: 44px; display: inline-flex; align-items: center; gap: .75rem; color: var(--teal); font-weight: 700; }
.featured-price-link, .quote-label { color: var(--gold-light); }
.featured-price-link { text-decoration: underline; text-underline-offset: 3px; }
.directory-actions a:hover { color: var(--white); }
.documentation { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 5rem; padding-block: 4rem; }
.documentation h2 { margin-bottom: 1.5rem; }
.documentation p { color: var(--muted); max-width: 55ch; }
.document-list article { display: flex; gap: 1.3rem; padding-block: 1.4rem; border-bottom: 1px solid var(--line); }
.document-list article:first-child { padding-top: 0; }
.document-list article > span { color: var(--gold-light); font-size: .875rem; margin-top: .2rem; }
.document-list h3 { font-size: 1.65rem; margin-bottom: .7rem; }
.factory-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.factory-gallery figure { border: 1px solid var(--line); min-width: 0; background: var(--panel); }
.factory-gallery figure > a { display: block; background: #020608; }
.factory-gallery img { width: 100%; height: 280px; object-fit: contain; }
.factory-gallery figcaption { padding: .9rem 1rem; color: var(--gold-light); font-size: .875rem; }
.factory-gallery a:hover { outline: 1px solid var(--teal); }
.supplier-news { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: 3rem; align-items: center; padding-block: 4rem; border-top: 1px solid var(--line); }
.supplier-news h2 { margin: .8rem 0 1.5rem; }
.supplier-news p:not(.eyebrow) { color: var(--muted); margin-top: 1rem; }
.supplier-news .media-note { font-size: .875rem; }
.news-video { min-width: 0; border: 1px solid var(--line); background: #000; }
.news-video video { display: block; width: 100%; height: auto; }
.news-video figcaption { font-size: .75rem; color: var(--muted); padding: .85rem 1rem; }
.faq-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, .65fr); gap: 4rem; align-items: start; padding-block: 3rem 4rem; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; min-height: 64px; padding-block: 1.35rem; font-weight: 700; font-size: 1.0625rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; flex: 0 0 auto; color: var(--teal); font-size: 1.5rem; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details[open] summary { color: var(--teal); }
.faq-answer { padding: 0 2rem 1.5rem 0; color: var(--muted); line-height: 1.7; }
.faq-answer a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; }
.faq-aside { padding: 2rem; background: var(--panel); border: 1px solid var(--line); }
.faq-aside h2 { margin-block: 1rem; font-size: 2.8rem; }
.faq-aside p:not(.eyebrow) { color: var(--muted); margin-bottom: 1.5rem; }
.aside-phone { display: block; margin-top: 1.25rem; color: var(--gold-light); font-size: 1rem; font-weight: 700; }
.contact-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; padding-block: 3rem; }
.contact-options article { display: flex; flex-direction: column; align-items: flex-start; border: 1px solid var(--line); background: var(--panel); padding: 2rem; }
.contact-options h2 { font-size: 2.75rem; margin-block: 1rem; }
.contact-options .contact-number { font-size: clamp(2.5rem, 4vw, 3.75rem); }
.contact-options p:not(.eyebrow) { color: var(--muted); margin: 1rem 0 1.5rem; max-width: 46ch; }
.contact-options .button { margin-top: auto; }
.contact-resources { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4rem; padding-block: 2rem 5rem; }
.contact-resources h2 { margin-top: 1rem; }
.contact-resources a { display: block; padding: 1.3rem 0; border-bottom: 1px solid var(--line); }
.contact-resources strong { display: block; font-size: 1.125rem; margin-bottom: .4rem; }
.contact-resources a > span { color: var(--muted); font-size: .9375rem; }
.contact-resources a:hover strong { color: var(--teal); }
.site-footer { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, .8fr); align-items: start; gap: 3rem; padding-block: 3rem; }
.site-footer .footer-brand > p { font-size: .875rem; text-align: left; margin-top: 1rem; max-width: 25ch; }
.site-footer nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .35rem 1rem; }
.site-footer nav a { padding-block: .4rem; }
.site-footer nav a:hover, .site-footer nav a[aria-current='page'] { color: var(--teal); }
.site-footer .footer-contact { text-align: right; }
.footer-contact > a { display: inline-block; font-size: 1.125rem; font-weight: 700; color: var(--white); padding-bottom: .6rem; }
.site-footer .footer-contact p { font-size: .75rem; line-height: 1.8; }
@media (max-width: 1200px) {
  .site-header .brand { gap: .7rem; }
  .site-header .brand-name { font-size: .8rem; }
  .site-header nav { gap: .9rem; }
  .focus-cards { gap: .65rem; }
  .focus-card > div { padding-inline: .75rem; }
  .focus-card h3 { font-size: 1.5rem; }
  .page-intro.with-image { gap: 2.5rem; }
}
@media (max-width: 1100px) {
  .site-header { justify-content: space-between; align-items: center; }
  .site-header nav { flex-basis: 100%; max-width: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); justify-content: stretch; gap: .25rem 1rem; border-top: 1px solid var(--line); padding-top: .8rem; }
  .site-header nav a { padding-inline: .5rem; }
  .js .menu-toggle { display: inline-flex; }
  .js .site-header nav { display: none; }
  .js .site-header nav[data-open='true'] { display: grid; }
  .site-header nav a[aria-current='page']::after { width: 20px; left: .5rem; right: auto; }
  .theme-strip a { gap: .5rem; padding-left: .6rem; font-size: .8125rem; }
  .theme-number { font-size: 1.45rem; }
  .focus-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
  .focus-card h3 { font-size: 1.85rem; }
  .focus-cards .focus-card:nth-child(n + 4) { grid-column: auto; }
  .documentation { gap: 3rem; }
  .factory-gallery img { height: 230px; }
  .faq-layout { grid-template-columns: minmax(0, 1.5fr) minmax(0, .75fr); gap: 2rem; }
  .faq-aside { padding: 1.5rem; }
}
@media (max-width: 800px) {
  .theme-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .theme-strip a { border: 0; padding-left: 0; }
  .theme-strip a span:last-child { font-size: .875rem; }
  .editorial, .page-intro.with-image { gap: 2rem; }
  .page-intro h1 { font-size: 3rem; }
  .page-intro .lead { font-size: 1rem; }
  .page-intro { padding-block: 3rem; }
  .editorial { padding-block: 3rem; }
  .editorial h2 { font-size: 2.5rem; }
  .focus-story, .focus-story:nth-child(even) { gap: 2rem; }
  .focus-story h2 { font-size: 2.7rem; }
  .page-cta > div { align-items: flex-start; flex-direction: column; gap: 2rem; }
  .cta-actions { width: 100%; }
  .cta-actions > div { max-width: 420px; }
  .pillars { gap: 1rem; }
  .pillars h3 { font-size: 2rem; }
  .documentation { grid-template-columns: 1fr; gap: 2rem; }
  .factory-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .supplier-news { grid-template-columns: 1fr; gap: 2rem; padding-block: 3rem; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-aside { max-width: none; }
  .contact-options article { padding: 1.5rem; }
  .contact-options h2 { font-size: 2.3rem; }
  .contact-options .contact-number { font-size: 2.5rem; }
  .contact-resources { gap: 2rem; }
  .site-footer { gap: 2rem; grid-template-columns: 1fr 1fr; }
  .site-footer .footer-contact { text-align: left; }
  .site-footer .footer-contact p { text-align: left; }
}
@media (max-width: 650px) {
  .site-header { min-height: 94px; }
  .site-header .brand { display: flex; gap: .75rem; }
  .site-header .brand-mark { width: 62px; height: 24px; margin: 0; }
  .site-header .brand-name { font-size: .75rem; }
  .site-header .brand-name span { font-size: .75rem; }
  .menu-toggle { padding-inline: .75rem; gap: .6rem; font-size: .875rem; }
  .theme-strip { gap: .25rem .65rem; padding-block: 1rem; }
  .theme-number { font-size: 1.4rem; }
  .theme-strip a { gap: .4rem; }
  .theme-strip a span:last-child { font-size: .75rem; }
  .editorial, .page-intro.with-image, .contact-resources { grid-template-columns: 1fr; }
  .editorial { gap: 2rem; padding-block: 2.5rem; }
  .editorial-image { max-width: 500px; }
  .editorial h2 { font-size: 2.75rem; }
  .page-section { padding-block: 2.5rem; }
  .focus-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
  .focus-card h3 { font-size: 1.65rem; }
  .focus-card > div { padding: 1rem .8rem; }
  .focus-card:last-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
  .focus-card:last-child figure { aspect-ratio: auto; }
  .focus-card:last-child svg { min-height: 180px; }
  .page-intro { padding-top: 2.5rem; }
  .page-intro.with-image { gap: 2rem; }
  .page-intro h1 { font-size: clamp(2.5rem, 10.5vw, 4.2rem); }
  .page-intro .lead { font-size: 1.125rem; }
  .page-hero-image { max-width: 500px; width: 100%; }
  .pillars { grid-template-columns: 1fr; gap: 1.5rem; }
  .pillars article { padding: 0 0 1.5rem; border-bottom: 1px solid var(--line); }
  .pillars article:last-child { border: 0; padding: 0; }
  .pillars h3 { font-size: 2.5rem; }
  .pillars article > span { margin-bottom: .7rem; }
  .page-jumps { gap: .5rem; }
  .page-jumps a { padding: .6rem .8rem; }
  .focus-story, .focus-story:nth-child(even) { grid-template-columns: 1fr; gap: 1.5rem; padding-block: 2rem; }
  .focus-story:nth-child(even) figure { order: initial; }
  .focus-story figure { width: 100%; max-width: none; }
  .focus-story h2 { font-size: 2.8rem; }
  .page-cta > div { padding-block: 2.5rem; }
  .page-cta h2 { font-size: 2.8rem; }
  .page-cta .contact-number { font-size: clamp(2.5rem, 11vw, 4rem); }
  .catalog { padding-block: 2.5rem; }
  .catalog .section-heading { display: flex; align-items: flex-end; gap: 1rem; }
  .catalog-count { display: block; }
  .catalog-count strong { font-size: 3.3rem; }
  .catalog-count span { display: block; font-size: .75rem; }
  .product-directory { grid-template-columns: 1fr; }
  .directory-item { padding: 1.25rem; }
  .directory-item h3 { font-size: 1.85rem; }
  .documentation { padding-block: 2.5rem; }
  .factory-gallery { gap: .8rem; }
  .factory-gallery img { height: 190px; }
  .factory-gallery figcaption { padding: .7rem; }
  .faq-layout { padding-block: 2rem; }
  .faq-list summary { font-size: 1rem; }
  .faq-answer { padding-right: .5rem; }
  .contact-options { grid-template-columns: 1fr; gap: 1rem; padding-block: 2rem; }
  .contact-options article { padding: 1.5rem; }
  .contact-options .contact-number { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .contact-resources { gap: 1rem; padding-bottom: 3rem; }
  .site-footer { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: calc(6rem + env(safe-area-inset-bottom)); }
  .site-footer nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .1rem 1rem; }
  .site-footer nav a { min-height: 44px; display: flex; align-items: center; }
}
@media (max-width: 370px) {
  .site-header .brand { gap: .5rem; }
  .site-header .brand-mark { width: 50px; height: 20px; }
  .site-header .brand-name { max-width: 140px; }
  .menu-toggle { gap: .4rem; padding-inline: .55rem; }
  .theme-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .focus-cards { grid-template-columns: 1fr; }
  .focus-card:last-child { display: flex; }
  .focus-card:last-child figure { aspect-ratio: 1.25; }
  .factory-gallery { grid-template-columns: 1fr; }
  .factory-gallery img { height: auto; }
}
@media print {
  .theme-strip, .editorial, .page-cta, .focus-cards, .section-action, .page-jumps, .menu-toggle, .page-hero-image { display: none !important; }
  .page-intro { padding: 0 0 1rem; }
  .page-intro h1 { color: #111; font-size: 2.4rem; }
  .page-intro h1 em { color: #075b65; }
  .lead, .catalog-intro, .directory-sizes, .directory-actions { color: #333; }
  .directory-item { background: white; border-color: #bbb; break-inside: avoid; padding: .6rem; }
  .directory-item h3 { color: #111; font-size: 1.5rem; }
  .directory-actions > a:last-child { display: none; }
  .quote-label, .featured-price-link { color: #075b65; }
  .product-directory { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer { display: block; }
  .site-footer nav { display: none; }
}

.directory-note{margin:.55rem 0 1rem;max-width:48rem;font-size:.875rem;line-height:1.55;color:var(--muted);}

.product-information { margin-top: .4rem; font-size: .875rem; line-height: 1.65; }
.product-information > summary { display: flex; align-items: center; gap: .6rem; width: fit-content; min-height: 44px; color: var(--teal); cursor: pointer; list-style: none; text-decoration: underline; text-underline-offset: 4px; }
.product-information > summary::-webkit-details-marker { display: none; }
.product-information > summary::after { content: '+'; font-size: 1.2rem; text-decoration: none; }
.product-information[open] > summary::after { content: '−'; }
.product-information > summary:hover { color: var(--white); }
.product-information > summary:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 2px; }
.product-information-body { padding: .35rem 0 .85rem; color: var(--muted); max-width: 60ch; }
.product-information-sources { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin-top: .6rem; font-size: .75rem; }
.product-information-sources a { color: var(--gold-light); text-decoration: underline; text-underline-offset: 3px; padding-block: .2rem; }
.product-information-sources a:hover { color: var(--white); }
.catalog-totals { display: flex; flex-wrap: wrap; gap: 1.25rem 2.25rem; }
@media (max-width: 650px) {
  .catalog .section-heading { flex-wrap: wrap; align-items: flex-start; }
  .catalog-totals { gap: 1rem 1.75rem; }
  .catalog-totals .catalog-count { display: flex; align-items: center; gap: .6rem; }
  .catalog-totals .catalog-count strong { font-size: 2.7rem; }
}
@media print {
  .product-information { display: none; }
  .catalog-count strong, .catalog-count span, .directory-note { color: #333; }
}