* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--color-text); background: var(--color-bg); font: 16px/1.6 var(--font-sans); }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, input, select { min-height: 44px; }
img { max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.13; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.25rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.75rem); }
h3 { font-size: 1.2rem; }
.container { width: min(1240px, calc(100% - 40px)); margin-inline: auto; }
.narrow { max-width: 860px; }
.form-width { max-width: 820px; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0 88px; }
.section--muted { background: var(--color-surface); }
.section--dark { color: white; background: var(--color-dark); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20; padding: 10px 14px; background: white; transform: translateY(-150%); }
.preview-banner { padding: 9px 20px; color: #fff4d6; background: #6e4b00; text-align: center; font-size: 0.86rem; font-weight: 700; }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--color-border); background: rgb(255 255 255 / 96%); backdrop-filter: blur(12px); }
.header-row { min-height: 76px; display: flex; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 42px; height: 38px; display: grid; place-items: center; color: white; border-radius: 8px; background: var(--color-primary); font-size: 0.7rem; letter-spacing: 0.04em; }
.header-search { flex: 1; display: flex; max-width: 360px; }
.header-search input { width: 100%; border: 1px solid var(--color-border); border-right: 0; border-radius: var(--radius-sm) 0 0 var(--radius-sm); padding: 0 14px; }
.header-search button { border: 0; color: white; background: var(--color-dark); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 0 16px; cursor: pointer; }
.site-nav { display: flex; gap: 18px; }
.site-nav a { color: var(--color-text-muted); font-size: 0.92rem; font-weight: 600; text-decoration: none; }
.site-nav a:hover { color: var(--color-text); }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--color-primary); border-radius: var(--radius-sm); padding: 0 22px; color: white; background: var(--color-primary); font-weight: 700; text-decoration: none; cursor: pointer; box-shadow: var(--shadow-sm); }
.button:hover { border-color: var(--color-primary-hover); background: var(--color-primary-hover); }
.button--secondary { color: var(--color-text); border-color: var(--color-border); background: white; }
.button--secondary:hover { border-color: #aab5c2; background: var(--color-surface); }
.button--small { min-height: 42px; padding: 0 16px; font-size: 0.9rem; }
.button--light { color: var(--color-dark); border-color: white; background: white; }
.button--full { width: 100%; margin-top: 10px; }
.hero { overflow: hidden; padding: 92px 0 76px; background: linear-gradient(135deg, #f9fbff 0%, #fff 55%, #edf3ff 100%); }
.hero-grid { display: grid; grid-template-columns: 1.35fr 0.65fr; gap: 72px; align-items: center; }
.hero-copy h1 { max-width: 790px; margin-bottom: 24px; }
.lead { max-width: 760px; color: var(--color-text-muted); font-size: 1.22rem; }
.lead--small { font-size: 1.08rem; }
.eyebrow { color: var(--color-primary); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 22px; height: 2px; margin: 0 8px 3px 0; background: currentColor; }
.eyebrow--light { color: #a8c4ff; }
.hero-search { margin-top: 34px; }
.hero-search label { display: block; margin-bottom: 8px; font-weight: 700; }
.search-combo { display: flex; max-width: 760px; padding: 6px; border: 1px solid var(--color-border); border-radius: 10px; background: white; box-shadow: var(--shadow-lg); }
.search-combo input { flex: 1; min-width: 0; border: 0; padding: 0 15px; font-family: var(--font-mono); font-size: 1rem; }
.hero-actions, .button-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 22px; }
.inline-note, .fine-print { color: var(--color-text-muted); font-size: 0.86rem; }
.hero-panel { padding: 30px; color: white; border: 1px solid #29425c; border-radius: var(--radius-lg); background: var(--color-dark); box-shadow: var(--shadow-lg); }
.panel-label { font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.identity-line { display: grid; grid-template-columns: 58px 1fr; gap: 14px; padding: 18px 0; border-top: 1px solid #2a3d50; }
.identity-line span { color: #95a8bb; font: 0.72rem var(--font-mono); }
.panel-status { margin-top: 12px; padding: 13px; border-radius: 8px; background: var(--color-dark-soft); font-size: 0.88rem; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: #5dd69c; }
.proof-strip { border-block: 1px solid var(--color-border); background: white; }
.proof-grid { min-height: 74px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.proof-grid span { padding-left: 22px; border-left: 2px solid var(--color-primary); font-size: 0.9rem; font-weight: 700; }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading > p:last-child, .split-heading > p { color: var(--color-text-muted); }
.step-grid { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 0; }
.step-grid li { padding-top: 22px; border-top: 2px solid var(--color-border); }
.step-grid li > span, .card-code { color: var(--color-primary); font: 700 0.76rem var(--font-mono); }
.step-grid p, .capability-card p, .faq-grid p { color: var(--color-text-muted); }
.split-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; margin-bottom: 36px; }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.capability-card { min-height: 210px; padding: 25px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; box-shadow: var(--shadow-sm); }
.capability-card h3 { margin-top: 35px; }
.capability-card .text-link { display: inline-block; margin-top: 12px; }
.quality-grid, .dark-grid, .product-content { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { display: grid; grid-template-columns: 150px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--color-border); }
.check-list span { color: var(--color-text-muted); }
.text-link { color: var(--color-primary); font-weight: 750; text-decoration: none; }
.dark-grid .button { justify-self: end; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--color-border); background: var(--color-border); }
.faq-grid article { padding: 28px; background: white; }
.site-footer { padding: 60px 0 24px; color: #bfd0df; background: #09131e; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px; }
.footer-grid h2 { color: white; font-size: 0.86rem; letter-spacing: 0.06em; text-transform: uppercase; }
.footer-grid a:not(.brand) { display: block; margin: 8px 0; color: #bfd0df; text-decoration: none; }
.brand--footer { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 48px; padding-top: 22px; border-top: 1px solid #263849; font-size: 0.78rem; }
.page-hero { padding: 68px 0; background: var(--color-surface); }
.page-hero--form { padding: 54px 0; }
.page-hero--compact h1, .page-hero--form h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.result-list { display: grid; gap: 16px; }
.result-card { display: flex; justify-content: space-between; gap: 30px; padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.result-label { color: var(--color-success); font-size: 0.75rem; font-weight: 800; text-transform: uppercase; }
.result-actions { display: flex; flex-direction: column; gap: 12px; align-items: center; justify-content: center; }
.mpn { font-family: var(--font-mono); overflow-wrap: anywhere; }
.empty-state { padding: 52px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.directory-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.directory-card, .content-panel { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: #fff; }
.directory-card h2 { font-size: 1.35rem; }
.directory-card h2 a { text-decoration: none; }
.directory-card h2 a:hover { color: var(--color-primary); }
.content-stack { display: grid; gap: 22px; }
.content-panel h2 { font-size: 1.55rem; }
.plain-list { display: grid; gap: 10px; margin-bottom: 0; padding-left: 22px; }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 30px; color: white; border-radius: var(--radius-md); background: var(--color-dark); }
.cta-panel h2 { margin-bottom: 0; font-size: 1.7rem; }
.preview-form-notice { margin-bottom: 26px; padding: 18px; border-left: 4px solid var(--color-warning); background: var(--color-warning-soft); }
.button:disabled { cursor: not-allowed; opacity: 0.58; }
.empty-code { color: var(--color-warning); font: 700 0.76rem var(--font-mono); }
.product-hero { padding: 36px 0 68px; background: var(--color-surface); }
.breadcrumbs { display: flex; gap: 10px; margin-bottom: 38px; color: var(--color-text-muted); font-size: 0.84rem; }
.product-grid { display: grid; grid-template-columns: 1fr 400px; gap: 70px; }
.manufacturer { margin-bottom: 8px; color: var(--color-primary); font-weight: 800; text-transform: uppercase; }
.mpn--large { margin-bottom: 8px; font-size: clamp(2.1rem, 5vw, 4rem); }
.product-title { color: var(--color-text-muted); font-size: 1.25rem; }
.badge { display: inline-block; padding: 6px 10px; border-radius: 999px; font-size: 0.82rem; font-weight: 700; }
.badge--warning { color: var(--color-warning); background: var(--color-warning-soft); }
.badge--neutral { color: var(--color-text-muted); background: var(--color-surface-strong); }
.product-placeholder { min-height: 220px; display: grid; place-items: center; margin-top: 28px; border: 1px dashed #b7c2ce; border-radius: var(--radius-md); color: var(--color-text-muted); text-align: center; }
.product-placeholder span { font: 700 3rem var(--font-mono); color: #9aa9b8; }
.quote-card { padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; box-shadow: var(--shadow-lg); }
.quote-card label { display: block; margin-top: 14px; font-weight: 700; }
.quote-card input, .quote-card select { width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 12px; }
.spec-list div { display: grid; grid-template-columns: 160px 1fr; padding: 13px 0; border-top: 1px solid var(--color-border); }
.spec-list dt { color: var(--color-text-muted); }
.spec-list dd { margin: 0; font-weight: 700; }
.condition-list { display: flex; flex-wrap: wrap; gap: 10px; }
.condition-list span { padding: 9px 12px; border: 1px solid var(--color-border); border-radius: 999px; font-size: 0.86rem; }
.error-summary { margin-bottom: 28px; padding: 22px; border-left: 4px solid var(--color-danger); background: var(--color-danger-soft); }
.error-summary h2 { font-size: 1.2rem; }
.rfq-form { display: grid; gap: 32px; }
.rfq-form--quick { gap: 22px; }
.rfq-form fieldset { margin: 0; padding: 28px; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.rfq-form legend { padding: 0 10px; font-size: 1.1rem; font-weight: 800; }
.rfq-form legend span { color: var(--color-primary); font-family: var(--font-mono); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field--small { max-width: 160px; }
.field--full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 6px; font-weight: 700; }
.field label span { color: var(--color-text-muted); font-size: 0.76rem; font-weight: 500; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #aeb8c3; border-radius: var(--radius-sm); padding: 10px 12px; background: white; }
.field-help { margin: 7px 0 0; color: var(--color-text-muted); font-size: 0.82rem; }
.field ul.errorlist, .consent-field ul.errorlist { margin: 6px 0 0; padding: 0; color: var(--color-danger); list-style: none; font-size: 0.86rem; }
.field:has(.errorlist) input, .field:has(.errorlist) select, .field:has(.errorlist) textarea { border-color: var(--color-danger); }
.info-box { display: grid; gap: 4px; margin-top: 20px; padding: 16px; border-radius: var(--radius-sm); background: var(--color-primary-soft); }
.info-box span { color: var(--color-text-muted); font-size: 0.88rem; }
.rfq-options { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: white; overflow: hidden; }
.rfq-options summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 22px; color: var(--color-primary); font-weight: 800; cursor: pointer; }
.rfq-options summary small { color: var(--color-text-muted); font-size: 0.8rem; font-weight: 500; text-align: right; }
.rfq-options[open] summary { border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.rfq-options fieldset { border: 0; border-radius: 0; }
.consent-field { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; margin-top: 24px; }
.consent-field input { width: 20px; height: 20px; margin-top: 2px; }
.form-submit { display: flex; gap: 20px; align-items: center; }
.form-submit p { margin: 0; color: var(--color-text-muted); }
.confirmation-section { min-height: 65vh; display: grid; align-items: center; background: var(--color-surface); }
.confirmation-card { padding: 54px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: white; text-align: center; box-shadow: var(--shadow-lg); }
.confirmation-mark { width: 56px; height: 56px; display: grid; place-items: center; margin: 0 auto 22px; border-radius: 50%; color: white; background: var(--color-success); font-size: 1.6rem; }
.reference { font-size: 1.2rem; }
.confirmation-card .button-row { justify-content: center; }
@media (max-width: 1050px) {
  .site-nav { display: none; }
  .hero-grid, .product-grid { grid-template-columns: 1fr; }
  .hero-panel { max-width: 680px; }
  .card-grid, .step-grid, .directory-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { gap: 35px; }
}
@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1240px); }
  .section { padding: 62px 0; }
  .header-row { flex-wrap: wrap; padding: 12px 0; }
  .header-search { order: 3; min-width: 100%; max-width: none; }
  .header-row > .button { margin-left: auto; }
  .hero { padding: 62px 0; }
  .page-hero--form { padding: 42px 0; }
  .search-combo { display: grid; gap: 8px; box-shadow: none; }
  .search-combo input { min-height: 48px; }
  .proof-grid, .card-grid, .step-grid, .quality-grid, .dark-grid, .product-content, .footer-grid, .form-grid, .split-heading, .faq-grid, .directory-grid { grid-template-columns: 1fr; }
  .proof-grid { padding: 18px 0; gap: 14px; }
  .check-list li { grid-template-columns: 1fr; gap: 4px; }
  .dark-grid .button { justify-self: start; }
  .footer-bottom, .result-card { flex-direction: column; }
  .result-actions { align-items: flex-start; }
  .empty-state, .confirmation-card, .rfq-form fieldset { padding: 24px; }
  .field--full { grid-column: auto; }
  .form-submit { align-items: stretch; flex-direction: column; }
  .rfq-options summary { align-items: flex-start; flex-direction: column; gap: 2px; }
  .rfq-options summary small { text-align: left; }
  .cta-panel { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.product-reference-image { margin: 1.5rem 0 0; }
.product-reference-image a { display: block; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; background: var(--color-bg); }
.product-reference-image img { display: block; width: 100%; height: auto; max-height: 440px; object-fit: contain; }
.product-reference-image figcaption { margin-top: .5rem; font-size: .8rem; line-height: 1.5; color: var(--color-text-muted); }