:root {
  color-scheme: light;
  --background: #f7f8f5;
  --surface: #ffffff;
  --surface-tint: #eaf0ec;
  --text: #18231f;
  --muted: #4d5d56;
  --accent: #245c50;
  --accent-strong: #17443b;
  --border: #cbd5cf;
  --focus: #9a4f00;
  --measure: 72rem;
  --reading: 46rem;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 100%;
  line-height: 1.6;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

a:focus-visible {
  border-radius: 0.15rem;
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.2rem;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  padding: 0.65rem 0.9rem;
  background: var(--surface);
  color: var(--text);
  transform: translateY(-180%);
}

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

.shell {
  width: min(calc(100% - 2rem), var(--measure));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header-inner,
.footer-inner {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.wordmark {
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-list,
.footer-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a,
.footer-list a {
  font-weight: 650;
}

[aria-current="page"] {
  text-decoration-thickness: 0.18em;
}

.hero {
  padding-block: clamp(4rem, 9vw, 7.5rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  max-width: 18ch;
  margin-bottom: 1rem;
  font-size: clamp(2.4rem, 7vw, 5.6rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 4vw, 2.7rem);
}

p,
li {
  max-width: var(--reading);
}

.hero-line {
  max-width: 29ch;
  margin: 0 0 1.5rem;
  color: var(--accent-strong);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 680;
  line-height: 1.3;
}

.lede {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.65;
}

.section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.section-tint {
  background: var(--surface-tint);
}

.section-rule {
  border-top: 1px solid var(--border);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 7vw, 6rem);
}

.prose > :first-child {
  margin-top: 0;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.principle-grid li {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  background: var(--surface);
}

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

.principle-grid span {
  margin-top: 0.4rem;
  color: var(--muted);
}

.document {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.document-header {
  max-width: var(--reading);
  margin-bottom: 3.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.document section {
  max-width: var(--reading);
  margin-top: 3rem;
}

.document section h2 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  letter-spacing: -0.02em;
}

.document li + li {
  margin-top: 0.45rem;
}

.not-found {
  padding-block: clamp(5rem, 12vw, 9rem);
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 44rem) {
  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .skip-link {
    display: none;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  a {
    color: #000000;
  }
}