:root {
  --navy-950: #020b16;
  --navy-925: #03111f;
  --navy-900: #041426;
  --navy-850: #061a31;
  --blue: #0879df;
  --blue-bright: #168df1;
  --blue-deep: #0054aa;
  --white: #f7f9fc;
  --paper: #ffffff;
  --paper-alt: #f2f5f8;
  --ink: #0b1523;
  --muted: #4a5868;
  --line-dark: rgba(188, 208, 231, 0.34);
  --line-light: #d8e0e8;
  --shell: 1180px;
  --display: "Arial Narrow", "Roboto Condensed", "Segoe UI", Arial, sans-serif;
  --body: "Segoe UI", Arial, Helvetica, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--navy-950);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(calc(100% - 72px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 9px 14px;
  color: #001124;
  background: #fff;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 30;
  border-bottom: 1px solid var(--line-dark);
  color: var(--white);
  background: rgba(2, 11, 22, 0.99);
}

.header-inner {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.brand {
  position: relative;
  display: inline-flex;
  width: clamp(205px, 23vw, 292px);
  flex: 0 0 auto;
  align-items: center;
  overflow: hidden;
}

.brand::after,
.footer-brand::after {
  position: absolute;
  z-index: 1;
  top: 84%;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: url("assets/xioptics-logo-header.png");
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size: 100% auto;
  clip-path: inset(0 1% 0 29.5%);
  content: "";
  filter: brightness(0) invert(1);
  pointer-events: none;
}

.brand img,
.footer-brand img {
  display: block;
  width: 100%;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(20px, 2.8vw, 44px);
  color: #f3f6fa;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.primary-nav > a,
.nav-dropdown-trigger > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-block: 35px;
  white-space: nowrap;
}

.primary-nav > a:not(.nav-cta)::after,
.nav-dropdown-trigger > a::after {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  height: 2px;
  background: var(--blue-bright);
  content: "";
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.primary-nav > a:hover::after,
.primary-nav > a:focus-visible::after,
.primary-nav > a.is-current::after,
.nav-dropdown.is-current .nav-dropdown-trigger > a::after,
.nav-dropdown-trigger > a:hover::after,
.nav-dropdown-trigger > a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  min-width: 122px;
  justify-content: center;
  padding: 15px 20px !important;
  text-align: center;
  background: linear-gradient(135deg, #0a65c5, #0050a7);
}

.nav-cta:hover,
.nav-cta:focus-visible,
.button-primary:hover,
.button-primary:focus-visible {
  background: linear-gradient(135deg, #168cf0, #0562bd);
}

.nav-cta.is-current {
  box-shadow: inset 0 -3px 0 #55adff;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
}

.nav-dropdown-trigger button {
  display: inline-grid;
  width: 22px;
  height: 34px;
  place-items: center;
  border: 0;
  padding: 0 0 0 7px;
  color: #a8c4df;
  background: transparent;
  cursor: pointer;
}

.nav-dropdown-trigger svg {
  width: 11px;
  height: 7px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  transition: transform 160ms ease;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% - 1px);
  left: -22px;
  display: grid;
  width: 318px;
  border-top: 3px solid var(--blue-bright);
  padding: 8px;
  visibility: hidden;
  opacity: 0;
  background: #06172b;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.36);
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.dropdown-menu a {
  padding: 12px 14px;
  color: #dde9f5;
  font-family: var(--body);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.01em;
  text-transform: none;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
  color: #fff;
  background: rgba(20, 137, 239, 0.22);
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.is-open .dropdown-menu {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.nav-dropdown.is-open .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 40px;
  border: 1px solid var(--line-dark);
  padding: 9px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: #fff;
}

.hero {
  position: relative;
  min-height: 462px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  color: #fff;
  background-color: var(--navy-900);
  background-image: linear-gradient(90deg, rgba(1, 12, 25, 0.42), rgba(1, 12, 25, 0.04) 68%, transparent), url("assets/hero-fiber-termini.png");
  background-position: center;
  background-size: cover;
}

.hero-inner {
  display: flex;
  min-height: 462px;
  align-items: flex-start;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: 535px;
  padding: 48px 0 42px;
}

.kicker,
.eyebrow {
  margin: 0 0 18px;
  color: var(--blue-bright);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: #f8f9fb;
  font-family: var(--display);
  font-size: clamp(43px, 5vw, 62px);
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.02;
  text-transform: uppercase;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.25);
}

h1 span {
  color: var(--blue-bright);
  font-size: 0.61em;
  letter-spacing: 0.005em;
}

.hero-summary {
  width: 395px;
  max-width: 100%;
  margin: 21px 0 0;
  color: #edf4fb;
  font-size: 15px;
  line-height: 1.58;
}

.hero-actions {
  display: flex;
  gap: 20px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-width: 178px;
  min-height: 47px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 12px 23px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.018em;
  text-transform: uppercase;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #0b70d5, #0052ac);
}

.button-outline {
  border-color: #fff;
  color: #fff;
  background: rgba(0, 12, 25, 0.4);
}

.button-outline:hover,
.button-outline:focus-visible {
  border-color: var(--blue-bright);
  background: rgba(9, 118, 221, 0.42);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: 252px;
  background: var(--navy-900);
}

.product-card {
  position: relative;
  display: flex;
  min-height: 252px;
  flex-direction: column;
  border-right: 1px solid var(--line-dark);
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: #9fa8b1;
  text-align: center;
}

.product-card::after {
  position: absolute;
  inset: 0;
  border-bottom: 4px solid transparent;
  content: "";
  pointer-events: none;
  transition: border-color 170ms ease;
}

.product-card:hover::after,
.product-card:focus-visible::after {
  border-bottom-color: var(--blue-bright);
}

.product-card-4 { border-right: 0; }

.product-card > span {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 18px 10px;
  background: var(--navy-900);
  font-family: var(--display);
  font-size: clamp(16px, 1.55vw, 21px);
  font-weight: 800;
  letter-spacing: 0.015em;
  line-height: 1.12;
  text-transform: uppercase;
  text-shadow: 0 2px 7px rgba(0, 0, 0, 0.8);
}

.product-photo {
  display: block;
  width: 100%;
  height: 180px;
  flex: 1 1 auto;
  object-fit: contain;
  background: transparent;
  filter: brightness(0.96) contrast(1.24);
  mix-blend-mode: multiply;
}

.about-band {
  display: grid;
  grid-template-columns: minmax(303px, 27%) minmax(0, 1fr);
  min-height: 300px;
  color: var(--ink);
  background: #fff;
}

.about-heading {
  display: flex;
  justify-content: flex-end;
  padding: 35px 40px 34px clamp(36px, calc((100vw - var(--shell)) / 2), 80px);
  background: linear-gradient(110deg, #fff, #f4f6f8);
}

.about-heading > div {
  width: 100%;
  max-width: 270px;
}

.about-heading h2,
.section-heading h2,
.split-intro h2,
.dark-feature h2,
.stocking-note h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(28px, 3.2vw, 43px);
  font-weight: 850;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-transform: uppercase;
}

.about-heading h2 {
  font-size: clamp(25px, 2.2vw, 32px);
}

.title-rule {
  display: block;
  width: 36px;
  height: 3px;
  margin: 22px 0 31px;
  background: var(--blue-deep);
}

.button-light {
  min-width: 168px;
  border-color: var(--blue-deep);
  color: #064e9f;
  background: transparent;
}

.button-light:hover,
.button-light:focus-visible {
  color: #fff;
  background: var(--blue-deep);
}

.about-copy {
  padding: 31px 40px;
  font-size: 13.2px;
  line-height: 1.47;
}

.about-copy p {
  margin: 0 0 11px;
}

.about-image {
  min-height: 300px;
  background-image: url("assets/fighter-aircraft.png");
  background-position: 54% center;
  background-size: cover;
}

.applications {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(108, 158, 210, 0.32);
  border-bottom: 1px solid rgba(108, 158, 210, 0.32);
  color: #f6f8fc;
  background: radial-gradient(circle at 9% 110%, rgba(0, 115, 224, 0.48), transparent 35%), linear-gradient(rgba(6, 25, 45, 0.55) 1px, transparent 1px), linear-gradient(90deg, rgba(6, 25, 45, 0.55) 1px, transparent 1px), var(--navy-950);
  background-size: auto, 28px 28px, 28px 28px, auto;
}

.applications h2,
.resource-band h2 {
  margin: 0;
  padding: 16px 0 4px;
  color: var(--blue-bright);
  font-family: var(--display);
  font-size: 20px;
  font-weight: 850;
  letter-spacing: 0.035em;
  text-align: center;
  text-transform: uppercase;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 10px 0 17px;
}

.application-item {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-right: 1px solid rgba(88, 132, 178, 0.45);
  gap: 9px;
  font-family: var(--display);
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.application-item:last-child { border-right: 0; }

.application-item svg {
  width: 43px;
  height: 43px;
  fill: none;
  stroke: #fff;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.resource-band {
  padding: 0 0 6px;
  text-align: center;
  background: linear-gradient(110deg, #fff, #f4f6f8);
}

.resource-band > .shell {
  width: 100%;
  border: 2px solid #c3d1df;
  background: #f4f6f8;
}

.resource-band h2 {
  color: #0759af;
}

.resource-shortcuts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 8px;
}

.resource-shortcuts a {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-right: 1px solid var(--line-light);
  gap: 4px;
  color: #0f1b2a;
  font-family: var(--display);
  font-size: 12px;
  text-transform: uppercase;
}

.resource-shortcuts a:last-child { border-right: 0; }
.resource-shortcuts a:hover,
.resource-shortcuts a:focus-visible { color: var(--blue-deep); }

.resource-icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 2px solid var(--blue-deep);
  color: var(--blue-deep);
  font-family: var(--display);
  font-size: 19px;
  font-weight: 850;
}

.resource-button {
  min-height: 34px;
  margin-top: 4px;
  padding-block: 7px;
}

.contact-strip {
  color: #fff;
  background: radial-gradient(circle at 10% 100%, rgba(8, 107, 204, 0.29), transparent 28%), var(--navy-850);
}

.contact-inner {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.contact-strip h2 {
  margin: 0 0 4px;
  font-family: var(--display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.contact-strip p {
  margin: 0;
  color: #c3ceda;
  font-size: 12px;
}

.contact-strip .button {
  min-width: 190px;
  min-height: 40px;
}

.site-footer {
  color: #bdc6d2;
  background: #020912;
}

.footer-inner {
  display: grid;
  grid-template-columns: 230px 1fr auto;
  min-height: 68px;
  align-items: center;
  gap: 30px;
}

.footer-brand {
  position: relative;
  display: block;
  width: 200px;
  overflow: hidden;
}

.footer-inner nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.8vw, 38px);
  font-size: 10px;
  text-transform: uppercase;
}

.footer-inner nav a:hover,
.footer-inner nav a:focus-visible { color: var(--blue-bright); }

.footer-inner p {
  margin: 0;
  font-size: 10px;
  white-space: nowrap;
}

/* Interior pages */

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  color: #fff;
  background-color: var(--navy-900);
  background-image: linear-gradient(90deg, rgba(2, 13, 27, 0.98), rgba(2, 13, 27, 0.72) 52%, rgba(2, 13, 27, 0.35)), url("assets/hero-fiber-termini.png");
  background-position: center 45%;
  background-size: cover;
}

.page-hero::after {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: linear-gradient(rgba(26, 102, 168, 0.18) 1px, transparent 1px), linear-gradient(90deg, rgba(26, 102, 168, 0.18) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  min-height: 382px;
  padding-block: 72px 58px;
}

.page-hero h1 {
  max-width: 790px;
}

.page-hero h1 span {
  font-size: 0.64em;
}

.page-hero-inner > p:last-child {
  max-width: 650px;
  margin: 24px 0 0;
  color: #d7e3ef;
  font-size: 16px;
  line-height: 1.65;
}

.page-hero-resources { background-position: center 58%; }
.page-hero-about { background-position: center 48%; }
.page-hero-contact { background-position: center 63%; }
.page-hero-products { background-position: center 42%; }

.content-section {
  padding-block: 78px;
  background: var(--paper);
}

.intro-section {
  border-bottom: 1px solid var(--line-light);
}

.split-intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(420px, 1.22fr);
  gap: clamp(50px, 8vw, 115px);
}

.split-intro p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.split-intro .eyebrow,
.section-heading .eyebrow,
.dark-feature .eyebrow,
.stocking-note .eyebrow {
  margin-bottom: 12px;
  font-size: 13px;
}

.technology-grid-section,
.leadership-section,
.contact-page-section {
  background: var(--paper-alt);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading > p:last-child:not(.eyebrow) {
  margin: 15px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #ccd6df;
  border-left: 1px solid #ccd6df;
}

.feature-card {
  min-height: 255px;
  border-right: 1px solid #ccd6df;
  border-bottom: 1px solid #ccd6df;
  padding: 30px;
  background: rgba(255, 255, 255, 0.76);
}

.feature-card > span,
.contact-card-number {
  color: var(--blue);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.feature-card h3,
.dark-feature h3,
.document-card h3,
.person-card h3,
.contact-card h3 {
  margin: 21px 0 12px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.015em;
  line-height: 1.15;
  text-transform: uppercase;
}

.feature-card p,
.dark-feature p,
.person-card p,
.contact-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

.product-family-section {
  background: var(--paper-alt);
}

.product-family-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.product-family-card {
  display: grid;
  min-height: 300px;
  grid-template-columns: minmax(190px, 42%) minmax(0, 58%);
  border: 1px solid #c8d4de;
  overflow: hidden;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 41, 64, 0.06);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.product-family-card:hover,
.product-family-card:focus-visible {
  border-color: #5d94c7;
  box-shadow: 0 17px 36px rgba(17, 41, 64, 0.13);
  transform: translateY(-3px);
}

.product-family-media {
  display: flex;
  min-height: 300px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #9fa8b1;
}

.product-family-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0.96) contrast(1.24);
  mix-blend-mode: multiply;
}

.product-family-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 30px 28px;
}

.product-family-copy > span {
  color: var(--blue);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.product-family-copy h3 {
  margin: 18px 0 12px;
  font-family: var(--display);
  font-size: 23px;
  font-weight: 850;
  letter-spacing: -0.015em;
  line-height: 1.1;
  text-transform: uppercase;
}

.product-family-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.product-family-copy strong {
  margin-top: auto;
  padding-top: 22px;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.product-benefits-section {
  background: var(--paper);
}

.products-principle-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(420px, 1.2fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
  padding-block: 72px;
}

.products-principle-grid p {
  font-size: 16px;
}

.product-detail-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-dark);
  color: #fff;
  background: radial-gradient(circle at 15% 40%, rgba(7, 111, 208, 0.28), transparent 34%), linear-gradient(120deg, var(--navy-950), #08213b 68%, #0b3152);
}

.product-detail-hero::after {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image: linear-gradient(rgba(35, 116, 184, 0.22) 1px, transparent 1px), linear-gradient(90deg, rgba(35, 116, 184, 0.22) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  pointer-events: none;
}

.product-detail-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 438px;
  grid-template-columns: minmax(430px, 1.05fr) minmax(380px, 0.95fr);
  align-items: center;
  gap: clamp(46px, 7vw, 100px);
  padding-block: 56px;
}

.product-detail-hero-copy > p:last-child {
  max-width: 610px;
  margin: 24px 0 0;
  color: #d7e3ef;
  font-size: 16px;
  line-height: 1.65;
}

.product-detail-hero-media {
  display: flex;
  min-height: 320px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(186, 214, 239, 0.42);
  overflow: hidden;
  background: #9fa8b1;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.3);
}

.product-detail-hero-media img {
  display: block;
  width: 100%;
  height: 320px;
  object-fit: contain;
  filter: brightness(0.96) contrast(1.24);
  mix-blend-mode: multiply;
}

.product-detail-hero-media img[src$="product-arinc-801-v2.png"] {
  filter: brightness(0.9) contrast(1.4);
}

.product-overview-grid {
  display: grid;
  grid-template-columns: minmax(390px, 1.1fr) minmax(380px, 0.9fr);
  align-items: start;
  gap: clamp(50px, 8vw, 110px);
}

.product-overview-grid h2,
.connector-process-section h2 {
  margin: 0 0 24px;
  font-family: var(--display);
  font-size: clamp(30px, 3.2vw, 43px);
  font-weight: 850;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-transform: uppercase;
}

.product-overview-grid > div > p:not(.eyebrow) {
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.product-facts {
  display: grid;
  margin: 0;
  border-top: 1px solid #cbd6df;
  border-left: 1px solid #cbd6df;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-facts div {
  min-height: 130px;
  border-right: 1px solid #cbd6df;
  border-bottom: 1px solid #cbd6df;
  padding: 24px;
  background: var(--paper-alt);
}

.product-facts dt {
  color: var(--blue-deep);
  font-family: var(--display);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-facts dd {
  margin: 11px 0 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
}

.product-detail-features,
.connector-process-section {
  background: var(--paper-alt);
}

.product-platform-grid {
  display: grid;
  grid-template-columns: 1.08fr 1fr 1fr;
  gap: 56px;
  padding-block: 72px;
}

.product-platform-grid h3 {
  margin-top: 4px;
}

.configuration-section {
  background: var(--paper);
}

.product-config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 18px;
}

.product-config-grid-single {
  max-width: 560px;
}

.product-config-card {
  position: relative;
  display: flex;
  min-height: 245px;
  flex-direction: column;
  border: 1px solid #c9d5df;
  border-top: 4px solid var(--blue);
  padding: 28px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 41, 64, 0.06);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.product-config-card:hover,
.product-config-card:focus-visible {
  border-color: #5d94c7;
  box-shadow: 0 17px 36px rgba(17, 41, 64, 0.13);
  transform: translateY(-3px);
}

.product-config-card > span {
  color: var(--blue-deep);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.product-config-card h3 {
  margin: 24px 0 12px;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 850;
  letter-spacing: -0.015em;
  line-height: 1.1;
  text-transform: uppercase;
}

.product-config-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.product-config-card strong {
  margin-top: auto;
  padding-top: 22px;
  color: var(--blue-deep);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.product-history-link {
  display: inline-block;
  margin-top: 28px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.speciality-focus-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(440px, 1.1fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
  padding-block: 72px;
}

.speciality-focus-grid p {
  font-size: 16px;
}

.connector-process-section .section-heading {
  max-width: 850px;
}

.history-hero-figure,
.history-photo-card {
  margin: 0;
}

.history-hero-image {
  display: flex;
  min-height: 326px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(186, 214, 239, 0.42);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.3);
}

.history-hero-image img {
  display: block;
  width: 100%;
  height: 326px;
  object-fit: contain;
}

.history-hero-figure figcaption,
.history-photo-card figcaption {
  padding: 11px 14px;
  color: #d4e1ed;
  background: #07192c;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-align: center;
  text-transform: uppercase;
}

.history-intro {
  max-width: 850px;
  margin-bottom: 42px;
}

.history-intro h2,
.history-prose-heading h2,
.history-copy h2,
.history-reference-grid h2 {
  margin: 0 0 22px;
  font-family: var(--display);
  font-size: clamp(30px, 3.2vw, 43px);
  font-weight: 850;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-transform: uppercase;
}

.history-intro > p:last-child,
.history-reference-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.history-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #cad5df;
  border-left: 1px solid #cad5df;
}

.history-timeline article {
  min-height: 300px;
  border-right: 1px solid #cad5df;
  border-bottom: 1px solid #cad5df;
  padding: 30px;
  background: var(--paper-alt);
}

.history-timeline span,
.history-criteria-grid article > span {
  color: var(--blue-deep);
  font-family: var(--display);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.history-timeline h3,
.history-criteria-grid h3 {
  margin: 22px 0 13px;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.015em;
  line-height: 1.14;
  text-transform: uppercase;
}

.history-timeline p,
.history-criteria-grid p,
.history-copy p,
.history-prose-columns p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.history-copy p + p,
.history-prose-columns p + p {
  margin-top: 17px;
}

.history-section-alternate {
  background: var(--paper-alt);
}

.history-prose-heading {
  max-width: 820px;
  margin-bottom: 35px;
}

.history-prose-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(45px, 7vw, 90px);
}

.history-split {
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) minmax(500px, 1.2fr);
  align-items: center;
  gap: clamp(50px, 8vw, 105px);
}

.history-split-reverse {
  grid-template-columns: minmax(500px, 1.2fr) minmax(340px, 0.8fr);
}

.history-photo-card {
  border: 1px solid #c8d4de;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 18px 42px rgba(17, 41, 64, 0.11);
}

.history-photo-card img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
}

.history-photo-card figcaption {
  color: #d9e5f0;
}

.history-alignment-grid {
  display: grid;
  grid-template-columns: 0.86fr 1fr 1fr;
  gap: 54px;
  padding-block: 72px;
}

.history-alignment-grid p {
  color: #c8d4e0;
  font-size: 15px;
  line-height: 1.72;
}

.history-alignment-grid p + p {
  margin-top: 16px;
}

.history-criteria-section {
  background: var(--paper);
}

.history-criteria-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #cad5df;
  border-left: 1px solid #cad5df;
}

.history-criteria-grid article {
  min-height: 290px;
  border-right: 1px solid #cad5df;
  border-bottom: 1px solid #cad5df;
  padding: 32px;
  background: rgba(255, 255, 255, 0.82);
}

.history-reference-section {
  background: #fff;
}

.history-reference-grid {
  display: grid;
  grid-template-columns: minmax(420px, 1.1fr) minmax(350px, 0.9fr);
  align-items: center;
  gap: clamp(50px, 8vw, 100px);
}

.history-reference-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.dark-feature {
  color: #fff;
  background: radial-gradient(circle at 15% 20%, rgba(0, 114, 222, 0.28), transparent 32%), var(--navy-900);
}

.dark-feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 56px;
  padding-block: 72px;
}

.dark-feature h3 { margin-top: 4px; }
.dark-feature p { color: #c8d4e0; }

.text-link,
.document-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--blue-bright);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.text-link:hover,
.text-link:focus-visible,
.document-card:hover .document-link,
.document-card:focus-visible .document-link { color: #71bcff; }

.resources-section {
  scroll-margin-top: 28px;
}

.resources-section.alternate {
  background: var(--paper-alt);
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.document-card {
  position: relative;
  min-height: 210px;
  border: 1px solid #ccd6df;
  padding: 27px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 28px rgba(20, 42, 65, 0.04);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.document-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--blue);
  content: "";
}

.document-card:hover,
.document-card:focus-visible {
  border-color: #6a9ed0;
  box-shadow: 0 15px 32px rgba(20, 42, 65, 0.1);
  transform: translateY(-3px);
}

.document-type {
  color: var(--blue-deep);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.document-card h3 {
  max-width: 310px;
  margin-top: 28px;
}

.document-link {
  position: absolute;
  bottom: 25px;
  left: 27px;
  margin: 0;
}

.compact-documents {
  grid-template-columns: repeat(2, 1fr);
  max-width: 790px;
}

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.person-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 28px;
  border: 1px solid #ced8e1;
  padding: 34px;
  background: #fff;
}

.person-monogram {
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  border: 1px solid #2e7bc4;
  color: #fff;
  background: linear-gradient(145deg, #0b6dcf, #073c75);
  font-family: var(--display);
  font-size: 29px;
  font-weight: 850;
}

.person-card h3 {
  margin: 0 0 5px;
  font-size: 27px;
}

.person-card .person-role {
  margin-bottom: 18px;
  color: var(--blue-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.person-card p + p {
  margin-top: 13px;
}

.values-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.15fr 1fr;
  align-items: start;
  gap: 55px;
  padding-block: 72px;
}

.values-section blockquote {
  margin: 0;
  border-left: 3px solid var(--blue-bright);
  padding: 8px 0 8px 28px;
  color: #fff;
  font-family: var(--display);
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 750;
  line-height: 1.25;
}

.values-section p + p { margin-top: 14px; }

.contact-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.contact-card {
  min-height: 280px;
  border-top: 4px solid var(--blue);
  padding: 31px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 41, 64, 0.07);
}

.contact-card h3 {
  margin-top: 27px;
  font-size: 23px;
}

.contact-card address {
  color: var(--muted);
  font-size: 15px;
  font-style: normal;
  line-height: 1.7;
}

.stocking-note {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: center;
  gap: 70px;
  margin-top: 52px;
  border: 1px solid #cbd6df;
  padding: 32px 38px;
  background: #fff;
}

.stocking-note h2 { font-size: 25px; }
.stocking-note > p { margin: 0; color: var(--muted); line-height: 1.65; }
.stocking-note a { color: var(--blue-deep); font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1080px) {
  .shell { width: min(calc(100% - 44px), var(--shell)); }
  .header-inner { gap: 24px; }
  .primary-nav { gap: 20px; font-size: 12px; }
  .brand { width: 218px; }
  .about-band { grid-template-columns: 30% 42% 28%; }
  .footer-inner { grid-template-columns: 190px 1fr auto; }
  .footer-brand { width: 175px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .leadership-grid { grid-template-columns: 1fr; }
  .product-family-grid { grid-template-columns: 1fr; }
  .product-detail-hero-grid { grid-template-columns: minmax(380px, 1fr) minmax(330px, 0.82fr); gap: 38px; }
}

@media (max-width: 840px) {
  .header-inner { min-height: 78px; }
  .brand { width: 220px; }
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    width: auto;
    align-items: stretch;
    flex-direction: column;
    border-top: 1px solid var(--line-dark);
    gap: 0;
    padding: 10px 22px 20px;
    background: #020d1b;
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.3);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a,
  .nav-dropdown-trigger > a { flex: 1; padding: 14px 10px; }
  .primary-nav > a:not(.nav-cta)::after,
  .nav-dropdown-trigger > a::after { display: none; }
  .nav-cta { margin-top: 6px; padding: 14px 18px !important; }
  .nav-dropdown-trigger button { width: 50px; height: 46px; }
  .dropdown-menu {
    position: static;
    display: none;
    width: auto;
    border-top-width: 1px;
    visibility: visible;
    opacity: 1;
    box-shadow: none;
    transform: none;
    transition: none;
  }
  .nav-dropdown:hover .dropdown-menu,
  .nav-dropdown:focus-within .dropdown-menu { display: none; }
  .nav-dropdown.is-open .dropdown-menu { display: grid; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card { min-height: 280px; }
  .about-band { grid-template-columns: minmax(300px, 47%) minmax(0, 1fr); }
  .about-image { grid-column: 1 / -1; min-height: 340px; background-position: center 42%; }
  .footer-inner { grid-template-columns: 1fr; justify-items: center; padding-block: 22px; }
  .footer-inner nav { flex-wrap: wrap; }
  .split-intro { grid-template-columns: 1fr; gap: 32px; }
  .dark-feature-grid,
  .values-grid { grid-template-columns: 1fr; gap: 35px; }
  .document-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-card-grid { grid-template-columns: 1fr; }
  .contact-card { min-height: 240px; }
  .products-principle-grid { grid-template-columns: 1fr; gap: 28px; }
  .product-detail-hero-grid { grid-template-columns: 1fr; gap: 34px; padding-block: 52px; }
  .product-detail-hero-media { min-height: 280px; }
  .product-detail-hero-media img { height: 280px; }
  .product-overview-grid,
  .product-platform-grid,
  .speciality-focus-grid { grid-template-columns: 1fr; gap: 34px; }
  .history-timeline,
  .history-prose-columns,
  .history-split,
  .history-split-reverse,
  .history-alignment-grid,
  .history-reference-grid { grid-template-columns: 1fr; gap: 34px; }
  .history-timeline { border-left: 0; }
  .history-timeline article { min-height: auto; border-left: 1px solid #cad5df; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .brand { width: 190px; }
  .hero,
  .hero-inner { min-height: 510px; }
  .hero { background-position: 61% center; }
  .hero::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(1, 11, 23, 0.94), rgba(1, 11, 23, 0.45)); content: ""; }
  .hero-copy { width: 100%; padding-top: 46px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 270px; border-right: 0; border-bottom: 1px solid var(--line-dark); }
  .about-band { grid-template-columns: 1fr; }
  .about-heading { justify-content: flex-start; padding: 38px 24px; }
  .about-heading > div { max-width: none; }
  .about-copy { padding: 38px 24px; font-size: 14px; }
  .about-image { min-height: 290px; }
  .application-grid,
  .resource-shortcuts { grid-template-columns: repeat(2, 1fr); }
  .application-item:nth-child(2),
  .resource-shortcuts a:nth-child(2) { border-right: 0; }
  .application-item:nth-child(-n + 2),
  .resource-shortcuts a:nth-child(-n + 2) { border-bottom: 1px solid rgba(88, 132, 178, 0.45); }
  .resource-shortcuts a:nth-child(3) { border-right: 1px solid var(--line-light); }
  .contact-inner { align-items: flex-start; flex-direction: column; padding-block: 25px; }
  .page-hero-inner { min-height: 350px; padding-block: 60px 46px; }
  .page-hero-inner > p:last-child { font-size: 15px; }
  .content-section { padding-block: 58px; }
  .feature-grid,
  .document-grid,
  .compact-documents { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .product-family-card { grid-template-columns: 1fr; }
  .product-family-media { min-height: 230px; }
  .product-family-copy { min-height: 270px; }
  .product-detail-hero-grid { min-height: auto; }
  .product-detail-hero-media { min-height: 220px; }
  .product-detail-hero-media img { height: 220px; }
  .product-facts { grid-template-columns: 1fr; }
  .product-facts div { min-height: auto; }
  .product-config-card { min-height: 220px; }
  .history-hero-image { min-height: 260px; }
  .history-hero-image img { height: 260px; }
  .history-criteria-grid { grid-template-columns: 1fr; }
  .history-criteria-grid article { min-height: auto; }
  .history-reference-links { display: grid; }
  .person-card { grid-template-columns: 1fr; padding: 27px; }
  .person-monogram { width: 78px; height: 78px; }
  .stocking-note { grid-template-columns: 1fr; gap: 22px; padding: 28px; }
}

@media (max-width: 390px) {
  .brand { width: 165px; }
  h1 { font-size: 39px; }
  .hero h1 { font-size: clamp(26px, 8.75vw, 34px); overflow-wrap: anywhere; }
  .page-hero-technology h1 { font-size: clamp(30px, 10vw, 39px); overflow-wrap: anywhere; }
  .history-copy h2 { font-size: clamp(24px, 8vw, 30px); overflow-wrap: anywhere; }
  .footer-inner nav { gap: 14px 20px; }
}