:root {
  --max: 1180px;
  --green: #275d38;
  --gold: #ffdb05;
  --ink: #17211b;
  --muted: #5d6861;
  --line: #dfe5e1;
  --paper: #fff;
  --soft: #f4f7f5
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif
}

img {
  display: block;
  max-width: 100%
}

a {
  color: var(--green);
  text-underline-offset: 3px
}

a:hover {
  color: #163b24
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  background: #fff;
  color: #000;
  padding: .75rem 1rem;
  z-index: 100
}

.skip-link:focus {
  top: 1rem
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
  position: sticky;
  top: 0;
  z-index: 10
}

.header-inner,
.footer-inner,
main {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem
}

.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.15
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  background: var(--green);
  color: #fff;
  font-size: 1rem;
  letter-spacing: .07em
}

.brand-text {
  font-size: .9rem
}

.nav-list {
  display: flex;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0
}

.nav-list a {
  display: block;
  padding: .65rem .8rem;
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 650;
  border-radius: 6px
}

.nav-list a:hover,
.nav-list a.active {
  background: var(--soft);
  color: var(--green)
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  min-height: 610px;
  align-items: center;
  gap: 4rem;
  padding: 5rem 0
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .75rem;
  font-weight: 800;
  color: var(--green);
  margin: 0 0 1rem
}

.hero h1 {
  font-size: clamp(2.7rem, 5.3vw, 5.3rem);
  line-height: .98;
  letter-spacing: -.055em;
  margin: 0 0 1.5rem;
  max-width: 820px
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 650px
}

.hero-media img {
  width: 100%;
  height: 480px;
  object-fit: cover
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem
}

.button {
  display: inline-flex;
  padding: .85rem 1.1rem;
  text-decoration: none;
  font-weight: 750;
  border: 2px solid var(--green)
}

.button.primary {
  background: var(--green);
  color: #fff
}

.button.secondary {
  color: var(--green)
}

.section {
  padding: 5rem 0;
  border-top: 1px solid var(--line)
}

.intro {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 5rem
}

.intro h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.04em;
  margin: 0
}

.intro>div:last-child {
  font-size: 1.08rem;
  color: var(--muted)
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem
}

.card {
  padding: 2rem;
  border: 1px solid var(--line);
  background: #fff
}

.card-number {
  font-size: .8rem;
  font-weight: 800;
  color: var(--green)
}

.card h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 .6rem
}

.card p {
  color: var(--muted)
}

.card>a {
  font-weight: 750
}

.site-footer {
  margin-top: 4rem;
  background: #10251a;
  color: #fff;
  padding: 2.5rem 0
}

.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  margin-top: 2.5rem
}

.footer-inner img {
  background: transparent;
  padding: .35rem
}

.footer-inner p {
  margin: .15rem 0;
  color: #cbd7d0;
  font-size: .88rem
}

.legal {
  text-align: right
}

@media(max-width:900px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0
  }
  .site-header {
    position: static
  }
  .nav-list {
    flex-wrap: wrap
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 4rem 0
  }
  .hero-media img {
    height: 360px
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 2rem
  }
  .cards {
    grid-template-columns: 1fr
  }
  .footer-inner {
    grid-template-columns: 1fr
  }
  .legal {
    text-align: left
  }
}

@media(max-width:560px) {
  .header-inner,
  .footer-inner,
  main {
    width: min(calc(100% - 28px), var(--max))
  }
  .nav-list a {
    padding: .45rem .5rem
  }
  .hero {
    gap: 2rem
  }
  .hero h1 {
    font-size: 2.65rem
  }
  .hero-media img {
    height: 260px
  }
  .section {
    padding: 3.5rem 0
  }
  .brand-logo {
    height: 42px
  }
}

/* Style 1: Editorial Green. Spacious, authoritative, research-led. */

.hero-media {
  position: relative
}

.hero-media:after {
  content: "Research facility";
  position: absolute;
  right: -18px;
  bottom: 25px;
  background: var(--gold);
  color: #142519;
  padding: .75rem 1rem;
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase
}

.reward-card {
  border-top: 5px solid var(--gold);
  background: rgba(0, 94, 0, 0.07)
}

/* Footer Territorial Acknowledgement overrides */

.footer-ack {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

footer .ack {
  padding: 0;
  font-weight: 300;
}

footer .ack .main {
  margin-bottom: 0;
}

footer .ack .main .lead {
  display: block;
  font-size: 1.8rem;
  line-height: 2.2rem;
  letter-spacing: -0.007em;
  margin-bottom: 0.75rem;
  color: #f2cd00;
}

footer .ack .main p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #cbd7d0;
  margin: 0;
}

footer .ack .sub {
  font-size: 1.125rem;
  line-height: 1.5rem;
}