:root {
  --green: #138a36;
  --green-dark: #0b6f2a;
  --green-soft: #eaf7ee;
  --navy: #071c2f;
  --text: #263543;
  --muted: #65727e;
  --cream: #fffaf0;
  --border: #dfe8df;
  --white: #ffffff;
  --gold: #f3b436;
  --blue: #226d8c;
  --shadow: 0 16px 38px rgba(14, 60, 34, .1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #f7fff8;
  line-height: 1.62;
}

a {
  color: var(--green-dark);
}

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

.container {
  width: min(1020px, calc(100% - 36px));
  margin: 0 auto;
}

.header {
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.logo {
  display: inline-flex;
  align-items: center;
}

.logo img {
  height: 70px;
  width: auto;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--green);
}

.hero {
  padding: 58px 0 34px;
}

.eyebrow {
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .02em;
  text-transform: uppercase;
}

h1 {
  max-width: 840px;
  margin: 10px 0 18px;
  color: var(--navy);
  font-size: clamp(38px, 5.2vw, 62px);
  line-height: 1.02;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--text);
  font-size: 20px;
}

.section {
  padding: 36px 0;
}

.content-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 42px);
}

.content-card h2 {
  color: var(--navy);
  font-size: 30px;
  line-height: 1.15;
  margin: 34px 0 12px;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card h3 {
  color: var(--navy);
  font-size: 21px;
  line-height: 1.25;
  margin: 26px 0 8px;
}

.content-card p {
  margin: 0 0 15px;
}

.content-card ul,
.content-card ol {
  margin: 0 0 18px 22px;
  padding: 0;
}

.content-card li {
  margin-bottom: 8px;
}

.callout {
  margin: 24px 0;
  padding: 18px;
  border: 1px solid rgba(19, 138, 54, .22);
  border-radius: 16px;
  background: var(--green-soft);
}

.source-list {
  display: grid;
  gap: 8px;
  margin-top: 20px;
}

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

.guide-card {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--white);
  color: inherit;
  text-decoration: none;
  box-shadow: 0 10px 26px rgba(14, 60, 34, .06);
}

.guide-card:hover {
  border-color: rgba(19, 138, 54, .45);
}

.guide-card span {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.guide-card h2 {
  margin: 8px 0 10px;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.18;
}

.guide-card p {
  margin: 0;
  color: var(--text);
}

.footer {
  margin-top: 36px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  background: #f3f8f4;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer,
.footer a {
  color: var(--muted);
  font-size: 14px;
}

.footer a {
  text-decoration: none;
}

@media (max-width: 720px) {
  .nav,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0;
  }

  .logo img {
    height: 58px;
  }

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