:root {
  --ink: #18211f;
  --text: #2d3936;
  --muted-text: #65706d;
  --line: #dbe3df;
  --paper: #fbfcfa;
  --soft: #eef4f0;
  --green: #173c36;
  --teal: #0f7360;
  --teal-dark: #0d4f45;
  --copper: #b8662a;
  --gold: #d89f38;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(22, 37, 33, 0.12);
  --radius: 8px;
  --nav-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--white);
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: 6px;
  transform: translateY(-160%);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 252, 250, 0.94);
  border-bottom: 1px solid rgba(219, 227, 223, 0.85);
  backdrop-filter: blur(16px);
}

.nav-shell {
  min-height: var(--nav-height);
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--green);
  color: var(--white);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  color: var(--ink);
  font-size: 0.98rem;
}

.brand small {
  color: var(--muted-text);
  font-size: 0.75rem;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 7px;
  color: #33413d;
  font-size: 0.93rem;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: var(--soft);
  color: var(--green);
  outline: none;
}

.nav-links .nav-cta {
  background: var(--green);
  color: var(--white);
}

.nav-links .nav-cta:hover,
.nav-links .nav-cta:focus-visible {
  background: var(--teal-dark);
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--nav-height) - 88px);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: clamp(48px, 7vw, 92px) 0 clamp(44px, 6vw, 76px);
  isolation: isolate;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background-image: url("assets/h3n-hero.png");
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(17, 45, 40, 0.96) 0%, rgba(17, 45, 40, 0.86) 38%, rgba(17, 45, 40, 0.2) 74%, rgba(17, 45, 40, 0.08) 100%),
    linear-gradient(0deg, rgba(13, 25, 23, 0.35), rgba(13, 25, 23, 0.02));
}

.hero-content {
  color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f2bb64;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 {
  color: var(--white);
  max-width: 760px;
  font-size: clamp(2.75rem, 7vw, 5.95rem);
  line-height: 0.98;
}

.hero-copy {
  max-width: 670px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 0 18px;
  font-weight: 800;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button.primary {
  background: var(--gold);
  color: #1d1608;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #efb744;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.46);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: rgba(255, 255, 255, 0.17);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  max-width: 760px;
}

.hero-tags span {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 7px 11px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}

.proof-strip {
  background: var(--white);
  border-block: 1px solid var(--line);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.proof-grid div {
  min-height: 104px;
  padding: 22px 26px;
  border-right: 1px solid var(--line);
}

.proof-grid div:first-child {
  border-left: 1px solid var(--line);
}

.proof-grid strong,
.proof-grid span {
  display: block;
}

.proof-grid strong {
  color: var(--green);
  font-size: 1.08rem;
  line-height: 1.25;
}

.proof-grid span {
  color: var(--muted-text);
  margin-top: 5px;
  font-size: 0.92rem;
}

.section {
  padding: clamp(72px, 9vw, 112px) 0;
}

.muted {
  background: var(--soft);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(38px, 7vw, 86px);
  align-items: start;
}

.split.reverse {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
}

.section-lead {
  position: sticky;
  top: calc(var(--nav-height) + 28px);
}

.section-lead h2,
.section-heading h2,
.contact-copy h2,
.credibility h2 {
  font-size: clamp(2rem, 4vw, 3.45rem);
  max-width: 820px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.narrow {
  max-width: 720px;
}

.section-heading p,
.intro-copy p,
.printing-panel p,
.contact-copy p,
.credential-card p {
  margin: 16px 0 0;
  color: var(--muted-text);
  font-size: 1.04rem;
}

.intro-copy {
  display: grid;
  gap: 16px;
}

.product-grid,
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.service-card,
.credential-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-card,
.service-card {
  min-height: 310px;
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.featured-product {
  background: var(--green);
  color: var(--white);
  border-color: rgba(23, 60, 54, 0.25);
}

.product-card h3,
.service-card h3,
.industry-list h3 {
  font-size: 1.45rem;
  margin-top: 22px;
}

.featured-product h3 {
  color: var(--white);
}

.product-card p,
.service-card p,
.industry-list p {
  margin: 12px 0 0;
  color: var(--muted-text);
}

.featured-product p {
  color: rgba(255, 255, 255, 0.8);
}

.product-card a {
  margin-top: auto;
  color: var(--teal);
  font-weight: 800;
}

.featured-product a {
  color: #f2bd66;
}

.card-index {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 32px;
  border-radius: 6px;
  background: var(--soft);
  color: var(--green);
  font-weight: 850;
}

.featured-product .card-index {
  background: rgba(255, 255, 255, 0.13);
  color: var(--white);
}

.process-band {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.process-band div {
  padding: 24px;
  border-right: 1px solid var(--line);
}

.process-band div:last-child {
  border-right: 0;
}

.process-band span {
  color: var(--copper);
  font-weight: 850;
  font-size: 0.84rem;
}

.process-band strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 1.12rem;
}

.process-band p {
  margin: 8px 0 0;
  color: var(--muted-text);
  font-size: 0.96rem;
}

.industry-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.industry-list div {
  min-height: 226px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.industry-list h3 {
  margin-top: 0;
  font-size: 1.18rem;
}

.printing-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(238, 244, 240, 0.8) 100%),
    var(--paper);
}

.printing-panel {
  padding: 30px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.capability-list,
.credential-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.capability-list span,
.credential-tags span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 12px;
  background: var(--soft);
  color: var(--green);
  font-weight: 750;
  font-size: 0.9rem;
}

.credibility {
  background: var(--green);
  color: var(--white);
}

.credibility h2 {
  color: var(--white);
}

.credibility-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.credential-card {
  padding: 30px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: none;
}

.credential-card p {
  color: rgba(255, 255, 255, 0.84);
}

.credential-tags span {
  background: rgba(255, 255, 255, 0.13);
  color: var(--white);
}

.contact-section {
  padding: clamp(72px, 9vw, 112px) 0;
  background: var(--paper);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(34px, 7vw, 84px);
  align-items: start;
}

.direct-email {
  display: inline-flex;
  margin-top: 24px;
  color: var(--teal);
  font-weight: 850;
}

.contact-form {
  padding: 26px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
}

.contact-form span {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 750;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #cfd8d4;
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  padding: 12px 13px;
}

.contact-form textarea {
  resize: vertical;
  min-height: 132px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(15, 115, 96, 0.15);
}

.form-button {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.form-note {
  margin: 12px 0 0;
  color: var(--muted-text);
  font-size: 0.88rem;
}

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
}

.site-footer strong {
  color: var(--ink);
}

.site-footer p {
  margin: 5px 0 0;
  color: var(--muted-text);
  font-size: 0.93rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-weight: 750;
  color: var(--teal);
}

@media (max-width: 920px) {
  :root {
    --nav-height: 66px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    justify-content: center;
  }

  .hero {
    min-height: calc(100svh - var(--nav-height) - 72px);
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(17, 45, 40, 0.97) 0%, rgba(17, 45, 40, 0.88) 52%, rgba(17, 45, 40, 0.45) 100%),
      linear-gradient(0deg, rgba(13, 25, 23, 0.45), rgba(13, 25, 23, 0.06));
  }

  .proof-grid,
  .product-grid,
  .service-grid,
  .process-band,
  .industry-list,
  .split,
  .split.reverse,
  .credibility-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-grid div,
  .proof-grid div:first-child {
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-grid div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .section-lead {
    position: static;
  }

  .process-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-band div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .nav-shell {
    width: min(100% - 24px, 1180px);
  }

  .brand strong {
    font-size: 0.9rem;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }

  .hero {
    min-height: calc(100svh - var(--nav-height) - 56px);
    padding: 38px 0 34px;
  }

  .hero h1 {
    font-size: clamp(2.35rem, 15vw, 4rem);
  }

  .hero-copy {
    margin-top: 18px;
  }

  .button {
    width: 100%;
  }

  .hero-tags {
    gap: 8px;
  }

  .hero-tags span {
    max-width: 100%;
    font-size: 0.84rem;
  }

  .proof-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid div:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .proof-grid div:last-child {
    border-bottom: 0;
  }

  .product-card,
  .service-card {
    min-height: 0;
  }

  .printing-panel,
  .credential-card,
  .contact-form {
    padding: 22px;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) and (max-height: 700px) {
  .hero {
    padding: 28px 0 26px;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 13vw, 3.2rem);
  }

  .hero-copy {
    margin-top: 14px;
    font-size: 0.98rem;
  }

  .hero-actions {
    margin-top: 20px;
  }

  .hero-tags {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}