:root {
  color-scheme: light;
  --paper: #faf8f3;
  --ink: #17343d;
  --green: #287668;
  --muted: #526469;
  --line: #d6dcd5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

a:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 5px;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

.page {
  width: min(1080px, calc(100% - 96px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  z-index: 1;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-160%);
  background: var(--paper);
  border: 1px solid var(--ink);
}

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

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.wordmark {
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
}

.masthead p,
.citation,
footer {
  color: var(--muted);
}

.intro {
  max-width: 900px;
  padding: 74px 0 52px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1 {
  max-width: 860px;
  font-size: clamp(36px, 5.1vw, 58px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.lead {
  max-width: 720px;
  margin-top: 28px;
  font-size: 23px;
  line-height: 1.45;
}

.context {
  max-width: 730px;
  margin-top: 16px;
  color: var(--muted);
}

.meeting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 30px 0;
  border-top: 2px solid var(--green);
  border-bottom: 1px solid var(--line);
}

.meeting .eyebrow {
  margin-bottom: 6px;
}

h2 {
  font-size: 29px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.meeting p:last-child {
  max-width: 420px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}

.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 19px;
  border: 1px solid var(--green);
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}

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

.button-primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

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

.button-secondary:hover {
  background: #edf1ea;
}

.resources {
  padding-top: 58px;
}

.section-heading > p:last-child {
  max-width: 680px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
}

.reading-list,
.tool-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.reading-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 18px;
  padding: 25px 0;
  border-top: 1px solid var(--line);
}

.reading-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.resource-number {
  padding-top: 1px;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
}

.citation {
  margin-bottom: 5px;
  font-size: 13px;
}

h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.reading-list h3 + p,
.tool-list p {
  max-width: 730px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}

.tool-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 48px;
}

.tool-list li {
  padding: 24px 0 30px;
  border-top: 1px solid var(--line);
}

.tool-list h3 {
  font-size: 18px;
}

.credits h2 {
  font-size: 21px;
}

.credit-list {
  max-width: 860px;
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.credit-list li + li {
  margin-top: 10px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding: 26px 0 32px;
  border-top: 1px solid var(--line);
  font-size: 12px;
}

@media (max-width: 800px) {
  .page {
    width: calc(100% - 48px);
  }

  .intro {
    padding-top: 52px;
  }

  .meeting {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .tool-list {
    column-gap: 30px;
  }
}

@media (max-width: 520px) {
  .page {
    width: calc(100% - 40px);
  }

  .masthead {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    padding: 22px 0;
  }

  .intro {
    padding: 40px 0;
  }

  .lead {
    font-size: 21px;
  }

  .context {
    font-size: 16px;
  }

  .downloads {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .resources {
    padding-top: 44px;
  }

  .reading-list li {
    grid-template-columns: 24px 1fr;
    gap: 12px;
  }

  .tool-list {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
    gap: 4px;
    margin-top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}