/* ICULTRA: an independent, lightweight sourcing and buyback website. */
:root {
  color-scheme: light;
  --ink: #142a43;
  --body: #405164;
  --muted: #627185;
  --blue: #1454ae;
  --navy: #102b48;
  --orange: #c44913;
  --orange-hover: #a7390a;
  --paper: #ffffff;
  --surface: #f3f6fa;
  --line: #dbe3ec;
  --radius: 0.375rem;
  --wide: 76rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body {
  margin: 0;
  color: var(--body);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, svg { max-width: 100%; height: auto; }
img { display: block; }
a { color: var(--blue); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 0.125rem; }
button { cursor: pointer; }
button:disabled { cursor: wait; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
::selection { background: #d4e5ff; color: var(--navy); }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; letter-spacing: -0.035em; text-wrap: balance; }
h1 { margin: 0 0 1.5rem; font-size: clamp(2.5rem, 4.8vw, 4rem); font-weight: 750; }
h2 { margin: 0 0 1.25rem; font-size: clamp(1.875rem, 3vw, 2.75rem); font-weight: 700; }
h3 { margin: 0 0 1rem; font-size: clamp(1.25rem, 2vw, 1.625rem); font-weight: 700; }
h4 { font-size: 1.125rem; }
p { margin: 0 0 1.25rem; max-width: 65ch; }
ul, ol { padding-left: 1.25rem; }
li + li { margin-top: 0.5rem; }
strong { color: var(--ink); }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
pre, code { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; }
code { overflow-wrap: anywhere; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.container { width: min(calc(100% - 4rem), var(--wide)); margin-inline: auto; }
.small-muted { color: var(--muted); font-size: 0.8125rem; line-height: 1.6; }
.small-muted a { color: inherit; }
.skip-link {
  position: fixed; inset: 0.5rem auto auto 0.5rem; z-index: 100;
  padding: 0.75rem 1rem; color: white; background: var(--navy);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

/* A compact navigation bar; the menu remains visible without JavaScript. */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); position: relative; z-index: 20; }
.site-header > .container { display: flex; align-items: center; min-height: 5.5rem; gap: 2rem; }
.brand { display: inline-flex; flex-direction: column; color: var(--ink); text-decoration: none; flex-shrink: 0; line-height: 1; }
.brand-name { font-size: 1.75rem; font-weight: 850; letter-spacing: -0.065em; }
.brand-name::first-letter { color: var(--blue); }
.brand-by { margin-top: 0.375rem; color: var(--muted); font-size: 0.6875rem; line-height: 1.4; letter-spacing: 0.015em; }
.site-nav { display: flex; flex: 1; align-items: center; justify-content: center; gap: 1.25rem; }
.site-nav a { position: relative; color: var(--ink); font-size: 0.8125rem; font-weight: 650; text-decoration: none; white-space: nowrap; padding-block: 0.75rem; }
.site-nav a:hover { color: var(--blue); }
.site-nav a[aria-current="page"]::after { position: absolute; content: ""; height: 2px; background: var(--blue); inset: auto 0 0.25rem; }
.nav-toggle { display: none; }
.header-cta { margin-left: auto; font-size: 0.8125rem !important; min-height: 2.75rem !important; padding: 0.625rem 1rem !important; white-space: nowrap; }

/* Strong hierarchy, real copy, and a compact RFQ illustration. */
.hero { padding-block: 5.25rem 4.75rem; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr); gap: 4.5rem; align-items: center; }
.hero-copy { min-width: 0; }
.eyebrow, .kicker { display: block; color: var(--blue); font-size: 0.75rem; font-weight: 750; line-height: 1.5; text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: 1.25rem; }
.eyebrow::before { content: ""; display: inline-block; width: 1.5rem; height: 2px; background: var(--orange); margin: 0 0.625rem 0.25rem 0; }
.lead { color: var(--body); font-size: 1.125rem; line-height: 1.8; }
.hero .lead { max-width: 58ch; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-block: 2rem 1.25rem; align-items: center; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  min-height: 3.125rem; padding: 0.8125rem 1.25rem; border: 1px solid transparent;
  border-radius: var(--radius); font-size: 0.9375rem; font-weight: 700; line-height: 1.4;
  text-decoration: none; text-align: center; transition: background-color 140ms ease, border-color 140ms ease;
}
.button-primary { color: white; background: var(--orange); }
.button-primary:hover { color: white; background: var(--orange-hover); text-decoration: none; }
.button-secondary { color: white; background: var(--navy); }
.button-secondary:hover { color: white; background: #1a3d62; text-decoration: none; }
.button-outline { border-color: #becbdb; color: var(--ink); background: white; }
.button-outline:hover { border-color: var(--blue); background: var(--surface); text-decoration: none; }
.hero-visual { position: relative; min-width: 0; padding: 1.5rem 0 1.5rem 1.5rem; }
.hero-visual::before { position: absolute; content: ""; inset: 0 1.5rem 0 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.hero-visual > * { position: relative; }
.rfq-sheet { padding: 1.875rem; border: 1px solid #ccd7e5; border-top: 4px solid var(--blue); background: white; box-shadow: 0 12px 32px #102b4810; border-radius: 0 0 var(--radius) var(--radius); }
.rfq-sheet h2, .rfq-sheet h3 { font-size: 1.125rem; letter-spacing: -0.02em; margin-bottom: 0.375rem; }
.rfq-sheet > p { font-size: 0.8125rem; }
.rfq-line { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.875rem; border-bottom: 1px solid var(--line); font-size: 0.8125rem; line-height: 1.5; }
.rfq-line:last-child { border-bottom: 0; }
.rfq-line strong { font-weight: 650; }
.rfq-line span:last-child { text-align: right; color: var(--muted); }
.line-index { color: var(--blue) !important; font-variant-numeric: tabular-nums; }
.chip-art { display: block; margin: 1.5rem auto; width: min(100%, 13rem); color: var(--navy); }
.trust-strip { display: flex; flex-wrap: wrap; gap: 0.625rem 2rem; padding-block: 1.25rem; font-size: 0.8125rem; color: var(--muted); }
.trust-strip span { display: inline-flex; align-items: center; }
.trust-strip span::before { content: ""; display: inline-block; width: 0.3125rem; height: 0.3125rem; background: var(--blue); margin-right: 0.625rem; }

.section { padding-block: 4.75rem; }
.section-alt { background: var(--surface); border-block: 1px solid var(--line); }
.section-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 3rem; margin-bottom: 2.5rem; }
.section-header h2 { max-width: 22ch; margin-bottom: 0; }
.section-header > p { max-width: 42ch; margin-top: 0.25rem; margin-bottom: 0; }
.section-header .kicker { margin-bottom: 0.75rem; }
.section-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.service-card { min-width: 0; padding: 2.25rem; border: 1px solid var(--line); border-top: 3px solid var(--blue); background: white; border-radius: 0 0 var(--radius) var(--radius); }
.service-number { display: block; color: var(--blue); font-size: 0.8125rem; font-weight: 700; margin-bottom: 1.5rem; letter-spacing: 0.06em; }
.service-card h3 { font-size: 1.75rem; }
.service-card ul { margin-block: 1.25rem 1.75rem; }
.link-arrow { display: inline-flex; gap: 0.75rem; align-items: center; font-weight: 700; font-size: 0.9375rem; text-decoration: none; }
.link-arrow::after { content: "\2192"; font-size: 1.25em; }
.link-arrow:hover { text-decoration: underline; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin-top: 2rem; }
.step { min-width: 0; padding-top: 1.5rem; border-top: 1px solid #c5d1e0; }
.step-number { display: inline-block; color: var(--blue); font-size: 0.75rem; font-weight: 750; margin-bottom: 1.5rem; letter-spacing: 0.08em; }
.step h3 { font-size: 1.375rem; }
.step p { font-size: 0.9375rem; }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: 0.75rem; color: var(--muted); padding-block: 1.375rem; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; }
.breadcrumbs li + li { margin: 0; }
.breadcrumbs li + li::before { content: "/"; color: #8b98a9; margin-right: 0.5rem; }
.page-intro { padding-block: 2rem 3.5rem; border-bottom: 1px solid var(--line); }
.page-intro h1 { max-width: 23ch; font-size: clamp(2.25rem, 4vw, 3.5rem); }
.page-intro .lead { max-width: 68ch; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: 4.5rem; align-items: start; }
.article-body { min-width: 0; }
.article-body h2, .prose h2 { font-size: clamp(1.75rem, 2.6vw, 2.25rem); }
.article-body h3, .prose h3 { font-size: 1.375rem; }
.article-body .content-block + .content-block { margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--line); }
.content-block { scroll-margin-top: 2rem; min-width: 0; }
.content-block > :last-child { margin-bottom: 0; }
.content-block ul { margin-block: 1rem 1.5rem; }
.article-aside { border-left: 1px solid var(--line); padding-left: 1.75rem; min-width: 0; }
.article-aside h2, .article-aside h3 { font-size: 1rem; letter-spacing: 0; }
.article-aside p { font-size: 0.875rem; }
.article-aside .button { width: 100%; font-size: 0.875rem; }
.article-aside .actions { flex-direction: column; }
.toc { margin-bottom: 2rem; }
.toc ul, .toc ol { list-style: none; margin: 0; padding: 0; }
.toc li + li { margin-top: 0.875rem; }
.toc a { font-size: 0.875rem; text-decoration: none; color: var(--body); }
.toc a:hover { color: var(--blue); text-decoration: underline; }
.checklist { list-style: none; padding: 0; margin-block: 1.5rem; }
.checklist li { position: relative; padding-left: 1.75rem; }
.checklist li::before { content: "\2713"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }
.source-list { font-size: 0.875rem; padding-left: 1.125rem; overflow-wrap: anywhere; }
.source-list li + li { margin-top: 0.75rem; }
.prose { max-width: 75ch; }
.prose p { max-width: 100%; }
.prose h2, .prose h3 { margin-top: 2.5rem; }
.prose > :first-child { margin-top: 0; }
.table-wrap { overflow-x: auto; max-width: 100%; margin-block: 1.5rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td { padding: 0.875rem 1rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--ink); background: var(--surface); font-weight: 700; }

/* Native disclosure controls keep FAQs functional without JS. */
.faq-list { max-width: 56rem; }
.faq-list details { border-top: 1px solid var(--line); padding-block: 1.25rem; }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { color: var(--ink); font-size: 1.0625rem; font-weight: 650; cursor: pointer; padding-right: 1rem; }
.faq-list summary::marker { color: var(--blue); }
.faq-list details p { margin-top: 1rem; margin-bottom: 0; padding-left: 1.125rem; max-width: 72ch; }
.faq-list details[open] summary { color: var(--blue); }
.cta-band { color: white; background: var(--navy); padding-block: 3.25rem; }
.cta-band > .container { display: flex; justify-content: space-between; align-items: center; gap: 3rem; }
.cta-band h2 { color: white; font-size: clamp(1.75rem, 3vw, 2.375rem); max-width: 24ch; margin-bottom: 0.75rem; }
.cta-band p { color: #d5dfeb; max-width: 57ch; margin-bottom: 0; }
.cta-band .actions { flex-shrink: 0; margin: 0; }
.cta-band .button-outline { background: transparent; border-color: #91a5bd; color: white; }
.cta-band .button-outline:hover { background: #ffffff0c; border-color: white; }
.cta-band :focus-visible, .site-footer :focus-visible { outline-color: #ffb28b; }

.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 3rem; }
.contact-card { min-width: 0; padding: 2rem; border: 1px solid var(--line); background: white; border-radius: var(--radius); }
.contact-card h2 { font-size: 1.625rem; }
.contact-card h3 { font-size: 1.25rem; margin-top: 1.5rem; }
.contact-card a { overflow-wrap: anywhere; }
.contact-card dl { margin: 1.75rem 0; }
.contact-card dt { font-size: 0.75rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-card dd { margin: 0.25rem 0 1.25rem; color: var(--ink); }
.template-block { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--blue); padding: 1.5rem; margin-block: 1.5rem; min-width: 0; }
.template-block pre { margin: 0; font-size: 0.875rem; line-height: 1.9; color: var(--ink); }
.template-block h3 { margin-top: 0; }
.status-message { color: var(--muted); font-size: 0.8125rem; min-height: 1.5rem; margin-top: 0.625rem; }
.inventory-grid { border-top: 1px solid var(--line); }
.category-row { display: grid; grid-template-columns: 3rem minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: start; gap: 1.5rem; padding-block: 1.75rem; border-bottom: 1px solid var(--line); }
.category-row h2, .category-row h3 { font-size: 1.375rem; margin-bottom: 0; }
.category-row p { margin-bottom: 0; font-size: 0.9375rem; }
.category-row .service-number { margin: 0.25rem 0 0; }
.insights-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem; }
.insight-card { border-top: 2px solid var(--ink); padding-top: 1.5rem; min-width: 0; }
.insight-card .kicker { margin-bottom: 0.75rem; font-size: 0.6875rem; }
.insight-card h2, .insight-card h3 { font-size: 1.5rem; }
.insight-card h2 a, .insight-card h3 a { color: var(--ink); text-decoration: none; }
.insight-card h2 a:hover, .insight-card h3 a:hover { color: var(--blue); text-decoration: underline; }
.insight-card p { font-size: 0.9375rem; }

.site-footer { background: #0b2037; color: #bfccdc; padding-top: 3.25rem; font-size: 0.875rem; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr) minmax(0, 1fr); gap: 4rem; padding-bottom: 2.75rem; }
.footer-brand .brand { color: white; margin-bottom: 1.25rem; }
.footer-brand .brand-name::first-letter { color: white; }
.footer-brand .brand-by { color: #bfccdc; }
.footer-brand p { max-width: 34ch; font-size: 0.8125rem; }
.site-footer h2, .site-footer h3 { color: white; font-size: 0.875rem; letter-spacing: 0; margin-bottom: 1.25rem; }
.site-footer a { color: #d8e4f2; text-decoration: none; }
.site-footer a:hover { color: white; text-decoration: underline; }
.footer-links ul { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 1rem; }
.footer-links li { break-inside: avoid; margin: 0 0 0.625rem; }
.footer-links > a, .footer-contact > a { display: block; margin-bottom: 0.625rem; overflow-wrap: anywhere; }
.footer-contact p { margin-bottom: 0.625rem; overflow-wrap: anywhere; }
.footer-bottom { padding-block: 1.375rem; border-top: 1px solid #324357; font-size: 0.75rem; color: #bfccdc; }
.footer-bottom p { max-width: 100%; margin-bottom: 0.375rem; }
.footer-bottom p:last-child { margin-bottom: 0; color: #a4b6cb; }

@media (max-width: 1150px) {
  .site-header > .container { gap: 1.25rem; }
  .site-nav { gap: 0.875rem; }
  .hero-grid { gap: 2.5rem; }
  .hero h1 { font-size: clamp(2.5rem, 4.8vw, 3.5rem); }
  .article-layout { gap: 2.5rem; grid-template-columns: minmax(0, 1fr) 16rem; }
  .cta-band > .container { gap: 2rem; }
  .cta-band .actions { flex-direction: column; }
  .cta-band .button { width: 100%; }
}

@media (max-width: 1050px) {
  .site-header > .container { flex-wrap: wrap; min-height: 5rem; padding-block: 0.875rem; }
  .site-nav { flex-basis: 100%; order: 3; justify-content: flex-start; padding-top: 0.5rem; flex-wrap: wrap; }
  .js-menu .nav-toggle { display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; min-height: 2.75rem; padding: 0.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: white; color: var(--ink); font-size: 0.75rem; font-weight: 700; }
  .js-menu .site-nav { display: none; }
  .js-menu .site-nav.is-open { display: flex; }
  .hero { padding-block: 4rem; }
  .section { padding-block: 3.75rem; }
  .footer-grid { gap: 2rem; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 2.5rem), var(--wide)); }
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero h1 { max-width: 19ch; font-size: clamp(2.5rem, 6.8vw, 3.25rem); }
  .hero-visual { max-width: 31rem; margin-inline: auto; width: 100%; }
  .hero-visual .chip-art { max-height: 8rem; width: auto; }
  .section-header { flex-direction: column; gap: 1rem; }
  .section-header > p { max-width: 65ch; }
  .steps { gap: 1.5rem; }
  .step h3 { font-size: 1.125rem; }
  .article-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .article-aside { border-left: 0; border-top: 1px solid var(--line); padding: 2rem 0 0; }
  .article-aside .actions { flex-direction: row; }
  .article-aside .button { width: auto; }
  .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .cta-band > .container { flex-direction: column; align-items: flex-start; }
  .cta-band .actions { flex-direction: row; }
  .cta-band .button { width: auto; }
  .category-row { grid-template-columns: 2rem minmax(0, 1fr); gap: 0.5rem 1rem; }
  .category-row > p { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: 55ch; }
}

@media (max-width: 520px) {
  .container { width: calc(100% - 2rem); }
  .site-header > .container { gap: 0.625rem; min-height: 4.75rem; }
  .brand-name { font-size: 1.4375rem; }
  .brand-by { font-size: 0.5625rem; }
  .header-cta { font-size: 0.6875rem !important; padding: 0.5rem 0.75rem !important; }
  .site-nav { gap: 0; padding-top: 0.875rem; border-top: 1px solid var(--line); }
  .site-nav a { display: block; width: 50%; min-height: 2.75rem; padding: 0.625rem 0; font-size: 0.9375rem; }
  .site-nav a[aria-current="page"]::after { inset: auto auto 0.375rem 0; width: 1.25rem; }
  .hero { padding-block: 3rem; }
  .hero h1 { font-size: clamp(2.125rem, 9.1vw, 2.75rem); line-height: 1.12; }
  .lead { font-size: 1rem; line-height: 1.8; }
  .eyebrow, .kicker { font-size: 0.6875rem; letter-spacing: 0.12em; }
  .actions { gap: 0.625rem; margin-top: 1.625rem; }
  .button { font-size: 0.875rem; padding-inline: 1rem; }
  .hero-visual { padding: 1rem 0 1rem 1rem; }
  .hero-visual::before { right: 1rem; }
  .rfq-sheet { padding: 1.375rem; }
  .rfq-line { gap: 0.625rem; }
  .trust-strip { gap: 0.625rem 1.25rem; font-size: 0.75rem; }
  .section { padding-block: 3rem; }
  .section-header { margin-bottom: 1.75rem; }
  .section-grid, .steps, .insights-grid { grid-template-columns: 1fr; }
  .service-card { padding: 1.625rem; }
  .service-card h3 { font-size: 1.5rem; }
  .service-number { margin-bottom: 1.125rem; }
  .step { padding-top: 1.25rem; }
  .step-number { margin-bottom: 0.75rem; }
  .step h3 { font-size: 1.375rem; }
  .step p { margin-bottom: 0; }
  .breadcrumbs { padding-block: 1.125rem; font-size: 0.6875rem; }
  .page-intro { padding-block: 1rem 2.5rem; }
  .page-intro h1 { font-size: 2.125rem; }
  .article-body .content-block + .content-block { margin-top: 2.5rem; padding-top: 2rem; }
  .faq-list summary { font-size: 1rem; }
  .faq-list details p { font-size: 0.9375rem; }
  .contact-card { padding: 1.375rem; }
  .template-block { padding: 1.25rem; }
  .category-row h2, .category-row h3 { font-size: 1.1875rem; }
  .cta-band { padding-block: 2.75rem; }
  .cta-band .actions { gap: 0.75rem; }
  .footer-grid { gap: 2rem 1.5rem; }
  .footer-links ul { columns: 1; }
  .footer-contact { min-width: 0; }
  .site-footer { font-size: 0.8125rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .article-aside, .actions, .skip-link { display: none !important; }
  body { color: #111; font-size: 10pt; }
  .container { width: 100%; }
  .hero, .section, .page-intro { padding-block: 1rem; }
  .hero-grid, .article-layout, .section-grid { display: block; }
  .hero-visual { display: none; }
  .content-block, .faq-list details { break-inside: avoid; }
  .faq-list details > * { display: block; }
  .cta-band { color: #111; background: none; }
  .cta-band h2, .cta-band p { color: #111; }
}