:root {
  --ink: #10231a;
  --muted: #52675b;
  --paper: #fbfdf9;
  --panel: #ffffff;
  --line: #d7e4db;
  --green: #0f7b52;
  --green-dark: #075638;
  --mint: #dff7e8;
  --aqua: #d9f3f0;
  --warning: #fff3c4;
  --shadow: 0 18px 42px rgba(16, 35, 26, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: "Avenir Next", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
}

a {
  color: var(--green-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.skip-link {
  background: var(--green-dark);
  color: #fff;
  left: 1rem;
  padding: 0.5rem 0.75rem;
  position: absolute;
  top: -4rem;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.page-shell {
  margin: 0 auto;
  max-width: 1180px;
  padding: 24px;
}

.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 0 0 20px;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--ink);
  border-radius: var(--radius);
  color: var(--mint);
  display: inline-flex;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 800;
  height: 44px;
  justify-content: center;
  letter-spacing: 0.04em;
  width: 44px;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: -2px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.site-nav a {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  padding: 8px 12px;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  background: var(--mint);
  border-color: var(--green);
}

.content {
  padding: 48px 0 28px;
}

.hero {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  margin-bottom: 44px;
}

.eyebrow {
  color: var(--green-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
}

h1 {
  font-size: 4rem;
  letter-spacing: 0;
  margin: 0.2rem 0 1rem;
  max-width: 880px;
}

h2 {
  font-size: 2rem;
  margin: 2.2rem 0 0.8rem;
}

h3 {
  font-size: 1.1rem;
  margin: 1.6rem 0 0.35rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 740px;
}

.resource-card,
.app-card,
.notice {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.resource-card {
  align-self: start;
  overflow: hidden;
}

.resource-card header {
  background: linear-gradient(135deg, var(--mint), var(--aqua));
  border-bottom: 1px solid var(--line);
  padding: 18px;
}

.resource-card dl {
  margin: 0;
  padding: 18px;
}

.resource-card dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-top: 14px;
  text-transform: uppercase;
}

.resource-card dt:first-child {
  margin-top: 0;
}

.resource-card dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.app-card {
  padding: 22px;
}

.app-card h2,
.app-card h3 {
  margin-top: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.button,
.button-secondary {
  border-radius: 999px;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  padding: 10px 14px;
  text-decoration: none;
}

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

.button:hover,
.button:focus {
  background: var(--green);
  color: #fff;
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--ink);
}

.button-secondary:hover,
.button-secondary:focus {
  background: var(--mint);
}

.document {
  background:
    linear-gradient(90deg, var(--mint) 0 10px, transparent 10px),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 0 auto;
  max-width: 860px;
  padding: 34px 34px 34px 44px;
}

.document h1 {
  font-size: 3rem;
}

.document table {
  border-collapse: collapse;
  display: block;
  margin: 1rem 0;
  overflow-x: auto;
  width: 100%;
}

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

.document th {
  background: var(--mint);
}

.notice {
  background: var(--warning);
  box-shadow: none;
  margin: 1.5rem 0;
  padding: 16px;
}

code {
  background: var(--mint);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  padding: 0.1em 0.35em;
}

ul,
ol {
  padding-left: 1.35rem;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: grid;
  gap: 8px;
  padding: 24px 0 10px;
}

.fine-print {
  font-size: 0.86rem;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 18px;
  }

  .site-header,
  .hero {
    display: block;
  }

  .site-nav {
    justify-content: flex-start;
    margin-top: 16px;
  }

  .content {
    padding-top: 32px;
  }

  .resource-card {
    margin-top: 24px;
  }

  .document {
    padding: 24px 20px 24px 30px;
  }

  h1 {
    font-size: 2.45rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .document h1 {
    font-size: 2rem;
  }
}