@font-face {
  font-family: Inter;
  src: url("/brand/inter-latin-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
:root {
  /* OpenDesign modern-minimal direction, adapted to NK Union's graphite identity. */
  --canvas: #f8f7f5;
  --surface: #efefec;
  --ink: #171b1e;
  --graphite: #1f2327;
  --charcoal: #444b50;
  --muted: #5d6469;
  --rule: #d4d6d3;
  --on-dark: #f8f7f5;
  --muted-on-dark: #bac0c3;
  --dark-rule: #474d52;
  --focus: #236479;
  --sans: Inter, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --space-section: clamp(72px, 8vw, 120px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 5px;
}
main:focus { outline: none; }
::selection { background: #dbe3e5; color: var(--ink); }
img { max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
h2 {
  font-size: clamp(36px, 3.7vw, 52px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.13;
  margin-bottom: 24px;
}
h3 { font-weight: 500; }
.shell { width: min(1248px, calc(100% - 112px)); margin-inline: auto; }
.skip-link {
  position: absolute;
  top: 12px;
  left: 24px;
  padding: 12px 20px;
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
  z-index: 2;
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  min-height: 108px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--rule);
}
.brand { display: block; flex-shrink: 0; margin-left: -15px; }
.brand img {
  display: block;
  width: 244px;
  height: 62px;
  object-fit: cover;
  object-position: 50% 50.6%;
}
.site-header nav { display: flex; gap: 32px; align-items: center; font-size: 14px; font-weight: 500; }
.site-header nav a { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; }
.site-header nav a:hover,
.site-header nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; }
.site-header nav .nav-contact {
  gap: 28px;
  border: 1px solid #bfc3c1;
  padding: 10px 16px;
  border-radius: 3px;
  transition: background 180ms, border-color 180ms;
}
.nav-contact:hover { background: var(--surface); border-color: var(--charcoal); }
.eyebrow {
  font: 11px/1.5 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}
.square { display: inline-block; width: 6px; height: 6px; background: var(--charcoal); margin-right: 10px; vertical-align: 1px; }
.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  padding-block: 72px 64px;
}
.hero-copy { min-width: 0; padding-bottom: 16px; }
.hero .eyebrow { margin-bottom: 32px; }
.hero h1, .page-hero h1 {
  font-size: clamp(72px, 8.2vw, 118px);
  font-weight: 500;
  line-height: 1.01;
  letter-spacing: -0.065em;
  margin-bottom: 32px;
}
.soft-ink { color: #626c73; }
.lede { font-size: 20px; line-height: 1.65; color: var(--charcoal); letter-spacing: -0.025em; max-width: 390px; margin-bottom: 32px; }
.actions { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; }
.button {
  display: inline-flex;
  gap: 36px;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 13px 20px;
  background: var(--graphite);
  color: var(--on-dark);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--graphite);
  border-radius: 3px;
  transition: background 180ms, transform 180ms;
}
.button:hover { background: var(--charcoal); }
.button:active, .nav-contact:active { transform: translateY(1px); }
.button span, .text-link span { font-size: 19px; font-weight: 400; }
.text-link { display: inline-flex; align-items: center; gap: 18px; min-height: 44px; font-size: 14px; font-weight: 500; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.text-link span { transition: transform 180ms; }
.text-link:hover span { transform: translateY(2px); }
.hero-art { min-width: 0; position: relative; }
.hero-art > img { display: block; width: 100%; height: auto; }
.art-heading, .art-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font: 10px/1.5 var(--mono);
  color: var(--muted);
}
.art-heading { padding-bottom: 14px; border-bottom: 1px solid var(--rule); letter-spacing: 0.08em; }
.art-foot { border-top: 1px solid var(--rule); padding-top: 14px; font-size: 11px; }
.art-foot > span { font-size: 20px; }
.hero-baseline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  font-size: 12px;
  color: var(--muted);
}
.hero-baseline > span:first-child { color: var(--ink); font-weight: 500; }
.hero-baseline .text-link { font-size: 12px; color: var(--ink); }
.section { padding-block: var(--space-section); }
.section-copy { font-size: 16px; color: var(--muted); max-width: 390px; }
.products-section { display: grid; grid-template-columns: minmax(250px, .8fr) minmax(0, 1.2fr); gap: 88px; align-items: start; }
.product-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.product-card { min-width: 0; padding: 28px 28px 24px; background: var(--surface); border-top: 2px solid var(--graphite); display: flex; flex-direction: column; min-height: 344px; transition: background 180ms, transform 180ms; }
.product-mark { width: 72px; height: 72px; display: grid; place-items: center; margin-bottom: 28px; border: 1px solid #b9bfbe; position: relative; overflow: hidden; }
.product-mark::before, .product-mark::after { content: ""; position: absolute; border: 1px solid currentColor; opacity: .32; transform: rotate(45deg); }
.product-mark::before { width: 34px; height: 34px; }
.product-mark::after { width: 50px; height: 50px; }
.product-mark span { position: relative; z-index: 1; font: 600 12px/1 var(--mono); letter-spacing: .08em; }
.product-mark-pte { color: #356875; background: #dfe9e8; }
.product-mark-colloca { color: #76624c; background: #ece6dc; }
.product-card:hover { background: #e7e8e5; transform: translateY(-3px); }
.product-card-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.product-card .eyebrow { margin: 0; color: var(--ink); }
.product-index { font: 11px/1.5 var(--mono); color: var(--muted); }
.product-card h3 { font-size: clamp(25px, 2.2vw, 34px); line-height: 1.16; letter-spacing: -0.045em; margin: 32px 0 16px; }
.product-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: auto; padding-top: 28px; color: var(--muted); font: 10px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.product-meta span + span { border-left: 1px solid #b8bcba; padding-left: 12px; }
.product-links { display: flex; gap: 18px; flex-wrap: wrap; border-top: 1px solid #c9ccca; margin-top: 18px; padding-top: 14px; }
.product-links a { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; font-size: 12px; font-weight: 600; }
.product-links a span { font-size: 16px; transition: transform 180ms; }
.product-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.product-links a:hover span { transform: translate(2px, -2px); }
.approach-band { background: var(--graphite); color: var(--on-dark); }
.approach-band .eyebrow, .approach-band .section-copy, .approach-band .section-heading > div > p { color: var(--muted-on-dark); }
.approach-band h2 span { color: var(--muted-on-dark); }
.approach-layout { display: grid; grid-template-columns: 1fr 1.12fr; column-gap: 88px; }
.approach-intro h2 { max-width: 480px; }
.approach-list { border-top: 1px solid var(--dark-rule); }
.approach-list article { display: grid; grid-template-columns: 32px 1fr; gap: 24px; padding-block: 28px 32px; border-bottom: 1px solid var(--dark-rule); }
.step-number { font: 12px/1.5 var(--mono); color: var(--muted-on-dark); padding-top: 2px; font-variant-numeric: tabular-nums; }
.approach-list .eyebrow { margin-bottom: 14px; }
.approach-list h3 { font-size: 23px; line-height: 1.35; letter-spacing: -0.035em; margin-bottom: 12px; }
.approach-list article p:last-child { color: var(--muted-on-dark); font-size: 15px; max-width: 460px; }
.approach-end { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; margin-top: 48px; color: var(--muted-on-dark); font-size: 13px; }
.approach-end > span { font: 24px var(--mono); }
.company-section { display: grid; grid-template-columns: 1fr 1fr; gap: 88px; }
.company-section .text-link { margin-top: 4px; }
.company-copy { padding-top: 44px; }
.company-copy .large-copy { font-size: 28px; line-height: 1.45; letter-spacing: -0.035em; color: var(--ink); margin-bottom: 28px; }
.company-copy p { color: var(--muted); font-size: 16px; max-width: 490px; margin-bottom: 20px; }
.company-copy p:last-child { margin-bottom: 0; }
.contact { border-top: 1px solid var(--rule); padding-block: 72px 80px; display: flex; align-items: center; justify-content: space-between; gap: 64px; }
.contact h2 { font-size: clamp(32px, 3.1vw, 44px); }
.contact p:not(.eyebrow) { font-size: 14px; color: var(--muted); }
.contact .eyebrow { margin-bottom: 24px; }
.contact-details { flex: 0 1 440px; min-width: 0; }
.email { display: flex; justify-content: space-between; gap: 24px; align-items: center; font-size: clamp(24px, 2.5vw, 34px); letter-spacing: -0.045em; border-bottom: 1px solid #9ba2a4; padding-block: 12px; white-space: nowrap; transition: color 180ms, border-color 180ms; }
.email:hover { color: var(--focus); border-color: var(--focus); }
.email span { font-size: 30px; }
.contact-details p { margin-top: 16px; max-width: 360px; }
.site-footer { display: flex; align-items: center; gap: 28px; border-top: 1px solid var(--rule); padding-block: 24px 32px; color: var(--muted); font-size: 12px; }
.site-footer .brand { margin-left: -13px; }
.site-footer .brand img { width: 212px; height: 54px; }
.site-footer p { margin-inline: auto; }
.site-footer > a:last-child:not(.brand) { min-width: 44px; min-height: 44px; display: grid; place-items: center; border: 1px solid var(--rule); border-radius: 3px; font-size: 20px; transition: background 180ms; }
.site-footer > a:last-child:hover { background: var(--surface); }
/* Shared layouts for the existing About and 404 pages. */
.page-hero { padding-block: 100px 92px; }
.page-hero h1 { font-size: clamp(60px, 7.2vw, 96px); }
.page-hero .lede { max-width: 560px; margin-bottom: 0; }
.about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; border-top: 1px solid var(--rule); }
.about-grid > div:last-child { max-width: 740px; }
.about-grid p:not(.eyebrow) { color: var(--muted); max-width: 630px; font-size: 16px; margin-bottom: 20px; }
.about-grid h2 { max-width: 620px; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 32px; margin-bottom: 48px; }
.section-heading .eyebrow { padding-top: 9px; }
.section-heading > div > p { color: var(--muted); font-size: 16px; }
.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--dark-rule); border-bottom: 1px solid var(--dark-rule); }
.approach-grid article { padding: 28px 28px 32px 0; }
.approach-grid article + article { border-left: 1px solid var(--dark-rule); padding-left: 28px; }
.step-top { display: flex; justify-content: space-between; align-items: center; color: var(--muted-on-dark); font: 11px var(--mono); letter-spacing: 0.06em; }
.approach-grid h3 { font-size: 22px; line-height: 1.4; letter-spacing: -0.035em; margin: 40px 0 16px; }
.approach-grid p { color: var(--muted-on-dark); font-size: 15px; max-width: 340px; }
.error-page .page-hero { min-height: 70vh; }
.error-page .button { margin-top: 32px; }
@media (max-width: 1100px) {
  .shell { width: calc(100% - 64px); }
  .hero { gap: 24px; padding-block: 64px; }
  .hero h1 { font-size: clamp(70px, 8.5vw, 94px); }
  .hero .eyebrow { max-width: 280px; }
  .actions { gap: 16px 24px; }
  .products-section, .company-section, .approach-layout { column-gap: 48px; }
  .portfolio-note { padding-inline: 28px; }
  .contact { gap: 40px; }
  .contact-details { flex-basis: 380px; }
}
@media (max-width: 800px) {
  .shell { width: calc(100% - 48px); }
  .site-header { min-height: 92px; gap: 24px; }
  .brand img { width: 212px; height: 54px; }
  .site-header nav { gap: 22px; font-size: 13px; }
  .site-header nav .nav-contact { gap: 14px; }
  .hero { grid-template-columns: 1fr; padding-block: 56px 36px; gap: 44px; }
  .hero-copy { padding-bottom: 0; }
  .hero .eyebrow { max-width: none; margin-bottom: 28px; }
  .hero h1 { font-size: clamp(72px, 13vw, 104px); }
  .lede { max-width: 440px; }
  .hero-art { width: min(100%, 480px); justify-self: center; }
  .hero-baseline { gap: 16px; }
  .hero-baseline > span:nth-child(2) { display: none; }
  .products-section, .company-section, .approach-layout { grid-template-columns: 1fr; gap: 40px; }
  .product-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-copy { max-width: 480px; }
  .portfolio-note > p { max-width: 520px; }
  .approach-end { margin-top: 0; }
  .approach-list article p:last-child { max-width: 540px; }
  .company-copy { padding-top: 0; }
  .company-copy p { max-width: 600px; }
  .contact { display: block; padding-block: 56px 64px; }
  .contact-details { max-width: 460px; margin-top: 28px; }
  .email { max-width: 460px; font-size: 28px; }
  .site-footer { display: grid; grid-template-columns: 1fr auto; gap: 20px; }
  .site-footer p { margin: 0; }
  .site-footer > span { grid-row: 2; }
  .site-footer > a:last-child:not(.brand) { grid-row: 2; grid-column: 2; justify-self: end; }
  .section-heading, .about-grid { grid-template-columns: 1fr; gap: 8px; }
  .section-heading .eyebrow { padding: 0; }
  .approach-grid { grid-template-columns: 1fr; }
  .approach-grid article { padding: 28px 0; }
  .approach-grid article + article { padding: 28px 0; border-left: 0; border-top: 1px solid var(--dark-rule); }
  .approach-grid h3 { margin-top: 24px; }
  .approach-grid p { max-width: 540px; }
  .page-hero { padding-block: 64px; }
}
@media (max-width: 520px) {
  .shell { width: calc(100% - 40px); }
  .site-header { flex-wrap: wrap; justify-content: center; gap: 8px; padding-block: 16px 12px; }
  .site-header .brand { margin: 0; }
  .site-header .brand img { width: 212px; height: 54px; }
  .site-header nav { width: 100%; justify-content: space-between; gap: 20px; font-size: 14px; }
  .site-header nav .nav-contact { padding: 8px 12px; gap: 12px; }
  .hero { padding-top: 44px; gap: 36px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: 0.045em; }
  .hero h1 { font-size: clamp(64px, 17vw, 86px); margin-bottom: 28px; }
  .lede { font-size: 18px; max-width: 360px; margin-bottom: 28px; }
  .actions { gap: 8px; align-items: stretch; flex-direction: column; }
  .actions .text-link { justify-content: space-between; padding-inline: 20px; }
  .button { gap: 28px; }
  .hero-art { max-width: 360px; }
  .art-foot { font-size: 10px; }
  .hero-baseline { font-size: 11px; }
  .hero-baseline .text-link { font-size: 11px; gap: 12px; }
  h2 { font-size: clamp(32px, 9vw, 42px); }
  .product-list { grid-template-columns: 1fr; }
  .product-card { min-height: 0; padding: 24px; }
  .product-card h3 { margin-top: 40px; }
  .product-links { gap: 12px; }
  .portfolio-note { padding: 24px; }
  .portfolio-note h3 { font-size: 34px; }
  .note-top { gap: 12px; }
  .note-top .eyebrow, .status { font-size: 10px; }
  .eyebrow { margin-bottom: 24px; }
  .approach-list article { grid-template-columns: 24px 1fr; gap: 16px; }
  .approach-list h3 { font-size: 22px; }
  .approach-end { align-items: flex-start; font-size: 12px; }
  .company-copy .large-copy { font-size: 26px; }
  .contact h2 { font-size: 34px; }
  .email { font-size: clamp(22px, 6.4vw, 28px); gap: 16px; }
  .site-footer .brand img { width: 180px; height: 46px; }
  .site-footer .brand { margin-left: -11px; }
  .site-footer { column-gap: 12px; font-size: 11px; }
  .site-footer p { font-size: 10px; }
  .page-hero h1 { font-size: clamp(52px, 12vw, 64px); }
}
@media (max-width: 360px) {
  .shell { width: calc(100% - 32px); }
  .hero .eyebrow { max-width: 250px; }
  .hero h1 { font-size: 60px; }
  .actions { gap: 8px; align-items: stretch; flex-direction: column; }
  .actions .text-link { justify-content: space-between; padding-inline: 20px; }
  .site-footer p { max-width: 72px; }
  .portfolio-note { padding-inline: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media (forced-colors: active) {
  .button { border-color: ButtonText; }
  a:focus-visible { outline-color: Highlight; }
}
.motion-field {
  position: absolute;
  inset: 14% 4% 14%;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.8;
  z-index: 0;
}
.motion-field i {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border: 1px solid #7c8a8e;
  border-radius: 50%;
  opacity: 0;
  animation: particle-drift var(--duration) ease-in-out var(--delay) infinite;
}
.motion-field i:nth-child(1) { --x: 14%; --y: 24%; --size: 5px; --duration: 11s; --delay: -2s; }
.motion-field i:nth-child(2) { --x: 74%; --y: 18%; --size: 3px; --duration: 14s; --delay: -8s; }
.motion-field i:nth-child(3) { --x: 32%; --y: 64%; --size: 4px; --duration: 13s; --delay: -5s; }
.motion-field i:nth-child(4) { --x: 86%; --y: 62%; --size: 5px; --duration: 16s; --delay: -11s; }
.motion-field i:nth-child(5) { --x: 52%; --y: 12%; --size: 3px; --duration: 12s; --delay: -7s; }
.motion-field i:nth-child(6) { --x: 22%; --y: 78%; --size: 3px; --duration: 15s; --delay: -3s; }
.motion-field i:nth-child(7) { --x: 64%; --y: 82%; --size: 4px; --duration: 10s; --delay: -9s; }
.motion-field i:nth-child(8) { --x: 92%; --y: 36%; --size: 3px; --duration: 17s; --delay: -13s; }
.hero-art > img,
.hero-art .art-heading,
.hero-art .art-foot {
  position: relative;
  z-index: 1;
}
@keyframes particle-drift {
  0%, 100% {
    opacity: 0;
    transform: translate3d(-8px, 8px, 0) scale(0.7);
  }
  22%, 72% {
    opacity: 0.52;
  }
  50% {
    opacity: 0.18;
    transform: translate3d(9px, -12px, 0) scale(1);
  }
}