:root {
  --navy: #06264a;
  --green: #2f7d3b;
  --light: #f6f8f5;
  --white: #ffffff;
  --text: #142033;
}

* { box-sizing: border-box; }

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

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 5vw;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(6,38,74,.12);
}

.brand {
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--navy);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-weight: 700;
  font-size: .95rem;
}

nav a { text-decoration: none; }

.hero {
  min-height: 78vh;
  display: grid;
  align-items: center;
  padding: 7rem 5vw;
  background:
    linear-gradient(90deg, rgba(6,38,74,.92), rgba(6,38,74,.72), rgba(47,125,59,.35)),
    url("hero-placeholder.jpg");
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 900;
  font-size: .85rem;
}

.hero .eyebrow { color: #9bd18d; }

h1 {
  font-size: clamp(3.2rem, 9vw, 7.8rem);
  line-height: .9;
  margin: .5rem 0 1.5rem;
  letter-spacing: -.05em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  color: var(--navy);
}

h3 {
  color: var(--navy);
  margin-top: 0;
}

.lead {
  max-width: 680px;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.button {
  display: inline-block;
  padding: .9rem 1.2rem;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  text-decoration: none;
  font-weight: 900;
  border: 2px solid var(--green);
}

.button.secondary {
  background: transparent;
  border-color: var(--white);
}

.button.small {
  padding: .55rem .85rem;
  font-size: .9rem;
}

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

.section {
  padding: 5rem 5vw;
  max-width: 1180px;
  margin: 0 auto;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.cards article {
  background: var(--white);
  border-top: 6px solid var(--green);
  padding: 1.5rem;
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(6,38,74,.08);
}

.highlight {
  background: var(--navy);
  color: var(--white);
  max-width: none;
}

.highlight h2,
.highlight .eyebrow {
  color: var(--white);
}

.highlight p {
  max-width: 850px;
}

.cta {
  text-align: center;
}

footer {
  padding: 2rem 5vw;
  background: var(--navy);
  color: var(--white);
  text-align: center;
  font-size: .9rem;
}

@media (max-width: 850px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    flex-wrap: wrap;
  }

  .two-column,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 70vh;
    padding-top: 5rem;
  }
}