/* Industrial Premium: public presentation only. Administrative forms retain app.css. */
.site-shell { min-height: 100vh; }
.site-icon { flex: 0 0 auto; vertical-align: middle; }
.site-shell .brand { display: inline-flex; flex-direction: column; gap: 0; line-height: 1; }
.site-shell .brand strong { font-size: 44px; font-weight: 900; letter-spacing: -3px; }
.site-shell .brand span { margin-top: 5px; font-size: 9px; font-weight: 800; letter-spacing: .7px; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; background: #fff; color: #151718; padding: 12px 20px; }
.skip-link:focus { top: 10px; }
.menu-toggle { display: none; }
.site-shell .footer { display: block; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-grid h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 6px; color: inherit; }
.footer-grid p { max-width: 270px; margin: 12px 0 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid #343739; margin-top: 36px; padding-top: 22px; font-size: .75rem; }
.public-theme { --canvas: #111516; --surface: #1a1e20; --line: #343a3d; --muted: #b5bcbe; --accent: #e34636; color: #f2f1ed; background: var(--canvas); color-scheme: dark; }
.public-theme h1, .public-theme h2, .public-theme h3 { color: #f5f4f0; letter-spacing: -.035em; }
.public-theme h2 { font-size: clamp(1.65rem, 2.6vw, 2.4rem); margin: 10px 0 0; line-height: 1.17; }
.public-theme p { color: var(--muted); line-height: 1.75; }
.public-theme a, .public-theme button { -webkit-tap-highlight-color: transparent; }
.public-theme :is(a, button, input, select, textarea):focus-visible { outline: 2px solid #ff9586; outline-offset: 4px; }
.public-theme #main-content:focus { outline: none; }
.public-theme .site-header { position: relative; padding: 22px max(28px, calc((100vw - 1280px) / 2)); background: #111516; border-color: #282d2f; min-height: 94px; }
.public-theme .brand { color: var(--accent); }
.public-theme .brand span { color: #f2f1ed; }
.public-theme .nav { gap: clamp(14px, 2vw, 30px); color: #d5d7d6; font-size: .87rem; }
.public-theme .nav > a { padding: 10px 0; }
.public-theme .nav a:hover, .public-theme .nav a.active { color: #ff8d7c; }
.public-theme .nav .nav-quote { order: 3; padding: 12px 20px; color: #fff; background: #bd3024; border-radius: 4px; font-weight: 700; }
.public-theme .nav .nav-quote:hover { background: #d63c2d; color: #fff; }
.public-theme .language-switcher { order: 2; border: 0; padding: 0; font-size: .72rem; color: #697376; }
.public-theme .language-switcher a { padding: 8px 4px; border-radius: 0; }
.public-theme .language-switcher a.active { color: #fff; background: transparent; }
.public-theme .button { min-height: 48px; padding: 12px 23px; background: #bd3024; font-size: .88rem; font-weight: 650; border: 1px solid transparent; border-radius: 4px; transition: background .18s, border-color .18s; }
.public-theme .button:hover { background: #d63c2d; filter: none; }
.public-theme .button.secondary { background: transparent; border-color: #777f80; color: #f2f1ed; }
.public-theme .button.secondary:hover { background: #262c2e; border-color: #adb3b4; }
.public-theme .button .site-icon { width: 18px; height: 18px; }
.public-theme .eyebrow { display: inline-flex; align-items: center; gap: 12px; font-size: .65rem; font-weight: 650; letter-spacing: .15em; color: #c4c9c9; }
.public-theme .eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--accent); }
.industrial-hero { position: relative; isolation: isolate; overflow: hidden; background: #15191a; }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 65% 60%; z-index: -2; }
.industrial-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10,15,17,.91), rgba(10,15,17,.55) 43%, rgba(10,15,17,.04) 80%), linear-gradient(0deg, rgba(10,15,17,.4), transparent 30%); }
.hero-inner { max-width: 1280px; margin: auto; padding: 24px 0 26px; }
.hero-search { display: flex; margin: 0 auto; max-width: 700px; border: 1px solid #51595c; background: rgba(25,31,34,.9); border-radius: 4px; overflow: hidden; }
.hero-search input { min-width: 0; border: 0; border-radius: 0; color: #f5f4f0; background: transparent; padding: 16px 20px; font-size: .86rem; }
.hero-search input::placeholder { color: #b5bcbe; opacity: 1; }
.hero-search:focus-within { border-color: #ff9586; outline: 2px solid #ff9586; outline-offset: 3px; }
.hero-search input:focus-visible { outline: none; }
.hero-search button { border: 0; border-left: 1px solid #454d50; background: transparent; color: #fff; width: 62px; flex-shrink: 0; }
.hero-search button:hover { background: #343b3e; }
.hero-copy { padding: 96px 0 86px; max-width: 670px; }
.public-theme .hero-copy h1 { font-size: clamp(3rem, 5vw, 4.6rem); line-height: 1.07; letter-spacing: -.047em; font-weight: 750; margin: 24px 0; }
.hero-copy p { max-width: 400px; font-size: 1rem; }
.hero-copy .actions { margin-top: 30px; gap: 14px; }
.hero-caption { display: block; text-align: right; color: #c3c5c1; font-size: .58rem; letter-spacing: .18em; }
.service-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding: 30px max(28px, calc((100vw - 1280px) / 2)); border-block: 1px solid #303639; background: #1a1f21; }
.service-strip > a { display: flex; align-items: center; gap: 20px; padding: 8px 28px; border-right: 1px solid #414749; }
.service-strip > a:first-child { padding-left: 0; }
.service-strip > a:last-child { border: 0; padding-right: 0; }
.service-strip > a > .site-icon:first-child { width: 36px; height: 36px; color: #e3e2dc; }
.service-strip > a > .site-icon:last-child { width: 17px; margin-left: auto; color: #899294; }
.service-strip strong { display: block; font-size: .93rem; font-weight: 600; }
.service-strip span { display: block; color: var(--muted); font-size: .78rem; margin-top: 5px; }
.service-strip a:hover strong { color: #ff8d7c; }
.public-theme .section { max-width: 1392px; margin: auto; padding: 60px 56px; }
.public-theme .section.narrow { max-width: 970px; }
.public-theme .section-title { margin-bottom: 28px; align-items: end; }
.public-theme .section-title > span { color: var(--muted); }
.public-theme .text-link { display: inline-flex; align-items: center; gap: 12px; color: #ff8d7c; font-size: .82rem; white-space: nowrap; min-height: 44px; }
.text-link .site-icon { width: 18px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.public-theme .visual-categories { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.public-theme .category-tile { padding: 0; gap: 0; overflow: hidden; background: #1b2022; border-color: #363d40; border-radius: 6px; transition: border-color .2s; }
.category-photo { aspect-ratio: 1.15; background: #e6e5df; overflow: hidden; padding: 18px; }
.category-photo img { width: 100%; height: 100%; object-fit: contain; transition: transform .25s; }
.category-tile:hover { border-color: #8b625b; }
.category-tile:hover img { transform: scale(1.04); }
.category-caption { padding: 20px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.category-caption strong { font-size: .9rem; font-weight: 600; }
.category-caption span { display: block; margin-top: 5px; font-size: .73rem; }
.category-caption .site-icon { color: var(--accent); width: 18px; }
.public-theme .category-tile span { color: var(--muted); }
.category-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.category-chips a { display: inline-flex; gap: 16px; align-items: center; min-height: 40px; padding: 8px 14px; border: 1px solid #343a3d; border-radius: 4px; color: #bfc5c6; font-size: .75rem; }
.category-chips a:hover { border-color: #aa7067; color: #fff; }
.public-theme .home-products { padding-top: 4px; }
.public-theme .product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.public-theme .product-card { background: #1b2022; border-color: #343c3f; border-radius: 6px; transition: border-color .18s; }
.public-theme .product-card:hover { border-color: #727c80; }
.public-theme .product-image { height: auto; aspect-ratio: 1.14; padding: 20px; background: #eeede7; border-color: #42484a; }
.public-theme .catalog-product-grid .product-image { padding: 0; position: relative; }
.public-theme .catalog-product-grid .product-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.public-theme .product-body { padding: 18px; gap: 10px; }
.public-theme .product-body h3 { font-size: 1rem; font-weight: 600; letter-spacing: -.015em; line-height: 1.35; }
.public-theme .product-body h3 a:hover { color: #ff9586; }
.public-theme .stock { color: #a8d5b6; font-size: .64rem; letter-spacing: .04em; font-weight: 550; }
.public-theme .stock::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 6px 2px 0; border-radius: 50%; background: currentColor; }
.public-theme .stock-outofstock { color: #ffaca2; }
.public-theme .stock-lowstock, .public-theme .stock-onorder { color: #e6c48e; }
.public-theme .product-meta { align-items: start; font-size: .74rem; color: var(--muted); gap: 8px; }
.public-theme .product-meta a:hover { text-decoration: underline; }
.public-theme .dimension-note { font-size: .69rem; color: #aab4b6; font-weight: 400; }
.public-theme .product-body > .button { justify-content: space-between; min-height: 40px; margin-top: auto; padding: 10px 0 0; border: 0; border-top: 1px solid #353d40; border-radius: 0; color: #ff8d7c; background: transparent; font-size: .77rem; }
.public-theme .product-body > .button:hover { color: #fff; }
.public-theme .home-tools { padding-top: 0; }
.calculator-banner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 30px; align-items: center; border: 1px solid #394144; border-radius: 6px; padding: 44px; background: linear-gradient(115deg, #1c2325, #13191c); }
.calculator-banner p { max-width: 460px; font-size: .9rem; margin: 18px 0 24px; }
.blueprint { width: 100%; max-height: 240px; color: #adb6b6; opacity: .8; }
.project-banner { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 36px 42px; margin-top: 28px; border: 1px solid #74392e; border-radius: 6px; background: linear-gradient(110deg, #3d211d, #241b1a); }
.public-theme .project-banner h2 { font-size: clamp(1.5rem, 2.2vw, 2rem); margin: 0; }
.project-banner p { font-size: .84rem; margin: 10px 0 0; max-width: 650px; }
.project-banner .button { flex-shrink: 0; }
.public-theme .footer { background: #0c1011; padding: 50px max(28px, calc((100vw - 1280px) / 2)) 100px; border-top: 1px solid #282f31; color: #c1c6c6; font-size: .78rem; }
.public-theme .footer a:hover { color: #ff9586; }
.public-theme .footer-map { font-weight: 400; text-decoration: none; }
.footer-contact { border: 1px solid #333b3e; border-radius: 5px; padding: 22px; }
.footer-contact .site-icon { color: #ec6554; }
.public-theme .footer-contact > a { color: #f5f4f0; font-size: 1.05rem; }
.public-theme .footer-contact > span { color: #99a4a6; font-size: .75rem; }
.public-theme .footer-bottom { color: #8e989a; }
.public-theme .sticky-cta { display: flex; gap: 0; bottom: 20px; right: 24px; border: 1px solid #495154; border-radius: 6px; overflow: hidden; box-shadow: 0 8px 28px #0005; }
.public-theme .sticky-cta a { gap: 8px; border-radius: 0; box-shadow: none; background: #20282a; padding: 12px 16px; font-size: .74rem; }
.public-theme .sticky-cta a + a { border-left: 1px solid #495154; }
.public-theme .sticky-cta a:hover { background: #353f42; }
.public-theme .sticky-cta .site-icon { width: 18px; height: 18px; }
.public-theme :is(.form-panel, .table-panel, .metric, .result-box, .info-grid > div, .empty-state) { background: #1b2224; border-color: #394245; }
.public-theme :is(input, select, textarea) { background-color: #111719; border-color: #505b60; color: #f0f2f2; }
.public-theme :is(input, textarea)::placeholder { color: #abb5b8; opacity: 1; }
.public-theme .filter-bar { background: #1b2224; border-color: #505b60; }
.public-theme .filter-bar input { background: transparent; }
.public-theme .filter-bar:focus-within { outline: 2px solid #ff9586; outline-offset: 3px; }
.public-theme :is(.muted, .info-grid > div span) { color: var(--muted); }
.public-theme .page-button { background: #1b2224; color: #eee; border-color: #4b565b; }
.public-theme .page-button.active, .public-theme .page-button:hover:not(:disabled) { background: #bd3024; border-color: #bd3024; }
.public-theme :is(.spec-list div, .row) { border-color: #3d474b; }
.public-theme .detail-media { background: #eeede7; }
.public-theme .form-message { color: #ffa79b; }
.public-theme .contact-list { padding: 26px; border: 1px solid #3d474b; border-radius: 6px; background: #1b2224; }
.public-theme .contact-list a { min-height: 44px; overflow-wrap: anywhere; }
.public-theme .contact-list a:hover { color: #ff9586; }
.public-theme #blazor-error-ui { color: #171a1b; }
@media (min-width: 1500px) { .hero-inner { padding-top: 28px; } .hero-copy { padding-block: 115px; } }
@media (max-width: 1392px) { .hero-inner { padding-inline: 56px; } .service-strip { padding-inline: 56px; } }
@media (max-width: 1100px) {
    .public-theme .site-header { gap: 20px; }
    .public-theme .nav { gap: 14px; font-size: .78rem; }
    .public-theme .nav .nav-quote { padding-inline: 12px; }
    .public-theme .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .service-strip > a { gap: 12px; padding-inline: 20px; }
    .service-strip > a > .site-icon:last-child { display: none; }
    .footer-grid { gap: 25px; }
}
@media (max-width: 820px) {
    .site-shell .site-header { flex-direction: row; align-items: center; flex-wrap: wrap; }
    .site-shell .menu-toggle { display: inline-flex; padding: 10px; border: 1px solid #667277; background: transparent; color: inherit; border-radius: 4px; }
    .site-shell .nav { display: none; width: 100%; flex-basis: 100%; }
    .site-shell .nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 3px; }
    .site-shell .nav a { padding: 12px; }
    .site-shell .language-switcher { align-self: flex-start; margin: 10px 0; }
    .public-theme .site-header { min-height: 80px; padding: 18px 24px; }
    .site-shell .brand strong { font-size: 35px; }
    .site-shell .brand span { font-size: 8px; }
    .public-theme .section { padding: 40px 24px; }
    .hero-inner { padding: 24px; }
    .hero-copy { padding-block: 65px; }
    .public-theme .hero-copy h1 { font-size: clamp(2.75rem, 7vw, 4rem); }
    .hero-photo { object-position: 68% center; }
    .industrial-hero::after { background: linear-gradient(90deg, #0c1316e8, #0c13169e 65%, #0c131638); }
    .service-strip { padding: 14px 24px; grid-template-columns: 1fr; }
    .service-strip > a, .service-strip > a:first-child, .service-strip > a:last-child { padding: 18px 0; border-right: 0; }
    .service-strip > a + a { border-top: 1px solid #3d4548; }
    .service-strip > a > .site-icon:last-child { display: block; }
    .public-theme .visual-categories, .public-theme .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .public-theme .home-products { padding-top: 0; }
    .public-theme .home-tools { padding-top: 0; }
    .calculator-banner { padding: 28px; grid-template-columns: 1fr; }
    .blueprint { max-height: 170px; }
    .project-banner { align-items: flex-start; flex-direction: column; padding: 28px; gap: 20px; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
    .public-theme .footer { padding-inline: 24px; }
}
@media (max-width: 480px) {
    .hero-inner { padding-inline: 20px; }
    .hero-copy { padding-block: 60px 48px; }
    .hero-copy p { font-size: .91rem; }
    .hero-copy .actions { flex-direction: column; align-items: flex-start; }
    .hero-copy .button { min-width: 200px; }
    .hero-search input { padding: 14px 12px; font-size: .76rem; }
    .hero-search button { width: 44px; }
    .hero-caption { font-size: .5rem; }
    .public-theme .section { padding-inline: 20px; }
    .public-theme .section-title { align-items: flex-start; flex-direction: column; gap: 8px; }
    .public-theme .visual-categories { gap: 12px; }
    .category-photo { padding: 8px; }
    .category-caption { padding: 14px 10px; gap: 4px; }
    .category-caption strong { font-size: .78rem; }
    .category-caption span { font-size: .67rem; }
    .category-caption .site-icon { width: 14px; }
    .public-theme .product-grid { grid-template-columns: 1fr; }
    .public-theme .product-image { aspect-ratio: 1.4; }
    .public-theme .product-body { padding: 20px; }
    .public-theme .product-body h3 { font-size: 1.12rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px 16px; }
    .footer-grid > div:first-child, .footer-contact { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
    .public-theme .sticky-cta { right: 12px; bottom: 12px; }
    .public-theme .sticky-cta a { min-height: 44px; }
    .public-theme .contact-list { padding: 18px; font-size: .9rem; }
}
@media (prefers-reduced-motion: reduce) { .public-theme *, .public-theme *::before, .public-theme *::after { transition: none !important; scroll-behavior: auto !important; } }

/* Editorial company story and programmatic route focus. */
.public-theme h1:focus { outline: none; }
.public-theme .about-story h1 { margin-bottom: 32px; }
.public-theme .about-story p { font-size: 1.05rem; line-height: 1.85; margin-bottom: 24px; }
.public-theme .about-story strong { color: #f5f4f0; font-weight: 650; }

/* Single public AI Assistant experience. */
.public-theme .ai-assistant { max-width: 1100px; }
.assistant-heading { max-width: 760px; margin-bottom: 32px; }
.assistant-heading h1 { margin-top: 20px; }
.assistant-panel, .assistant-result { padding: clamp(20px, 4vw, 36px); background: #1b2224; border: 1px solid #394245; border-radius: 8px; }
.assistant-panel-title { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.assistant-panel-title .site-icon { color: #ff8d7c; }
.assistant-examples { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.assistant-examples button { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; padding: 10px 14px; border: 1px solid #576267; border-radius: 5px; background: #151c1e; color: #e8ecec; font-size: .8rem; text-align: left; }
.assistant-examples button:hover:not(:disabled) { border-color: #ff8d7c; }
.assistant-examples span { color: #ff8d7c; }
.assistant-panel textarea { display: block; min-height: 150px; margin-top: 10px; line-height: 1.6; }
.assistant-submit { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 18px; }
.assistant-submit > span { color: #b5bcbe; max-width: 380px; font-size: .75rem; }
.assistant-submit .button { flex-shrink: 0; }
.assistant-panel button:disabled { opacity: .55; cursor: not-allowed; }
.assistant-status { color: #d2dcdf; margin-top: 16px; font-size: .85rem; }
.assistant-status:empty { display: none; }
.assistant-result { margin-top: 28px; }
.assistant-question { padding-left: 16px; border-left: 2px solid #df5747; margin-bottom: 28px; }
.assistant-question > span { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #b5bcbe; }
.assistant-question p { margin: 6px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.assistant-answer { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.8; margin-top: 22px; color: #e2e7e7; }
.assistant-quantity { padding: 20px; border: 1px solid #465257; border-radius: 5px; margin-top: 22px; }
.assistant-quantity span { display: block; color: #b5bcbe; font-size: .8rem; }
.assistant-quantity strong { display: block; font-size: 1.7rem; margin-top: 6px; }
.assistant-quantity p { font-size: .85rem; margin-bottom: 0; overflow-wrap: anywhere; }
.assistant-assumptions { margin: 22px 0; }
.assistant-assumptions summary { min-height: 44px; cursor: pointer; color: #ffad9f; }
.assistant-assumptions li { margin-bottom: 8px; color: #bec8cb; }
.assistant-result h3 { margin: 28px 0 20px; font-size: 1.2rem; }
.public-theme .assistant-result .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.assistant-notice { font-size: .8rem; border-top: 1px solid #3d474b; padding-top: 20px; margin-top: 24px; }
.assistant-contact { text-align: center; font-size: .85rem; margin-top: 26px; }
.assistant-contact a { color: #ffad9f; display: inline-block; padding: 8px 4px; }
@media (max-width: 640px) {
    .assistant-submit { flex-direction: column; align-items: stretch; gap: 16px; }
    .assistant-examples { flex-direction: column; }
    .assistant-examples button { justify-content: space-between; }
    .public-theme .assistant-result .product-grid { grid-template-columns: 1fr; }
    .assistant-result .actions { flex-direction: column; }
}
