:root {
  color-scheme: light;
  --ink: #18211b;
  --muted: #5f6b62;
  --line: #dfe6df;
  --paper: #fbfcf8;
  --wash: #f0f5ef;
  --sage: #2f724c;
  --sage-dark: #24593b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Lilex, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-nav,
.hero,
.content,
.footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 24px;
}

.brand img {
  width: 30px;
  height: 30px;
}

.nav-links {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a {
  text-decoration: none;
}

.hero {
  padding: 76px 0 48px;
  border-top: 1px solid var(--line);
}

.eyebrow {
  color: #5f8269;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  font-size: 13px;
}

h1 {
  max-width: 880px;
  margin: 18px 0 22px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.95;
  font-weight: 500;
  letter-spacing: 0;
}

.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.35;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--sage);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.button.secondary {
  background: transparent;
  color: var(--sage-dark);
  border: 1px solid #a9beb0;
}

.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 54px;
  padding: 28px 0 84px;
}

.main-card,
.side-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.main-card {
  padding: clamp(24px, 4vw, 44px);
}

.section + .section {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding-top: 34px;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  font-weight: 500;
}

h3 {
  margin: 26px 0 10px;
  font-size: 22px;
}

p {
  margin: 0 0 16px;
}

ul {
  padding-left: 22px;
}

li + li {
  margin-top: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 15px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 12px 10px;
}

th {
  color: #3d5847;
  font-weight: 700;
}

.formula {
  margin: 18px 0;
  padding: 18px;
  border-radius: 8px;
  background: var(--wash);
  color: #274331;
  font-weight: 700;
}

.side-card {
  position: sticky;
  top: 22px;
  align-self: start;
  padding: 24px;
}

.side-card h2 {
  font-size: 24px;
}

.source-list {
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
}

.faq-item {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq-item strong {
  display: block;
  margin-bottom: 8px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  .site-nav,
  .hero,
  .content,
  .footer {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 48px;
  }

  .content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .side-card {
    position: static;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}