:root {
  color-scheme: light dark;
  --bg: #f7f8f4;
  --surface: #ffffff;
  --surface-muted: #eef3ef;
  --ink: #14211d;
  --muted: #5f6f68;
  --line: #c8d2cc;
  --accent: #2f6b56;
  --accent-strong: #173d33;
  --accent-ink: #ffffff;
  --warn: #8a5d18;
  --code: #eef3ef;
  --shadow: 0 14px 40px rgb(24 43 35 / 0.08);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101715;
    --surface: #17221f;
    --surface-muted: #1f2c28;
    --ink: #ecf3ee;
    --muted: #aebcb5;
    --line: #33443e;
    --accent: #78c7aa;
    --accent-strong: #a7e7cf;
    --accent-ink: #0f1714;
    --warn: #e0b86b;
    --code: #0c1311;
    --shadow: 0 18px 44px rgb(0 0 0 / 0.24);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

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

a:hover {
  text-decoration-thickness: 0.12em;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

img {
  max-width: 100%;
}

header,
main,
footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.skip {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 2;
  transform: translateY(-140%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0 14px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
}

.brand-mark,
.mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent-strong);
  background: var(--surface-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  font-size: 0.94rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--accent-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 48px;
  align-items: center;
  padding: 58px 0 42px;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 18ch;
  margin: 12px 0 18px;
  font-size: clamp(2rem, 3.5vw, 3rem);
}

.hero h1 {
  max-width: 20ch;
  font-size: clamp(2rem, 3.2vw, 2.85rem);
}

.page h1 {
  max-width: 16ch;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.55rem, 3vw, 2.45rem);
}

h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  max-width: 58ch;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--accent-strong);
  border-radius: var(--radius);
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: var(--accent-strong);
  color: var(--accent-ink);
}

.button.secondary {
  background: transparent;
  color: var(--accent-strong);
}

.hero-media,
.visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-media img,
.visual img {
  display: block;
  width: 100%;
  height: auto;
}

figcaption {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

section {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.page {
  padding: 48px 0 64px;
}

.narrow {
  width: min(760px, calc(100% - 32px));
}

.band.muted {
  margin-right: calc(50% - 50vw);
  margin-left: calc(50% - 50vw);
  padding-right: max(16px, calc(50vw - 560px));
  padding-left: max(16px, calc(50vw - 560px));
  background: var(--surface-muted);
}

.section-head {
  max-width: 720px;
  margin-bottom: 20px;
}

.split,
.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.callout,
.link-grid a,
.content-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.card,
.callout,
.content-grid article {
  padding: 18px;
}

.card p,
.card li,
.content-grid p,
.table p {
  color: var(--muted);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.link-grid a {
  display: grid;
  gap: 8px;
  min-height: 118px;
  padding: 16px;
  color: var(--ink);
  text-decoration: none;
}

.link-grid span {
  color: var(--muted);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.table,
.table-wrap {
  display: grid;
  gap: 10px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: var(--surface);
}

th,
td {
  padding: 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

thead th {
  background: var(--surface-muted);
}

td {
  color: var(--muted);
}

.row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.row strong {
  color: var(--accent-strong);
}

pre,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

code {
  border-radius: 5px;
  background: var(--code);
  padding: 0.08em 0.28em;
}

pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--code);
  padding: 16px;
  font-size: 0.9rem;
}

pre code {
  background: transparent;
  padding: 0;
}

.note {
  color: var(--warn);
  font-weight: 650;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 26px 0 38px;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 820px) {
  .site-header,
  .hero,
  .grid,
  .two,
  .split,
  .content-grid,
  .link-grid,
  .row {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
    align-items: flex-start;
  }

  nav {
    justify-content: flex-start;
  }

  h1,
  .page h1 {
    max-width: 100%;
  }
}