:root {
  color-scheme: light dark;
  --bg: #f4f1ea;
  --surface: #fffdf8;
  --text: #20201d;
  --muted: #646259;
  --line: #d9d3c7;
  --accent: #275f59;
  --accent-strong: #174843;
  --accent-text: #ffffff;
  --max: 72rem;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

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

a {
  color: var(--accent-strong);
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 0.2rem solid var(--accent);
  outline-offset: 0.25rem;
}

header,
main,
footer {
  width: min(calc(100% - 2rem), var(--max));
  margin-inline: auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 4.75rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
}

.release-link {
  font-weight: 650;
}

.hero {
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 5.5rem);
  max-width: 52rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.08;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 6.4rem);
  font-weight: 670;
}

h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
}

.lede {
  margin: 1.8rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.4rem;
  margin-top: 2rem;
  font-weight: 650;
}

.primary {
  display: inline-block;
  padding: 0.8rem 1rem;
  border-radius: 0.35rem;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
}

.primary:hover {
  background: var(--accent-strong);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: var(--line);
}

.grid article {
  min-height: 14rem;
  padding: 1.5rem;
  background: var(--surface);
}

.grid p,
.boundary p {
  color: var(--muted);
}

.steps,
.boundary {
  max-width: 50rem;
  padding: clamp(4rem, 8vw, 7rem) 0 0;
}

.steps ol {
  margin: 1.6rem 0 0;
  padding-left: 1.4rem;
}

.steps li + li {
  margin-top: 1.15rem;
}

code {
  padding: 0.1rem 0.3rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  background: var(--surface);
}

footer {
  display: flex;
  gap: 1.25rem;
  margin-top: 7rem;
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer span {
  margin-right: auto;
  font-weight: 650;
  color: var(--text);
}

@media (max-width: 47rem) {
  header {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
  }

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

  .grid article {
    min-height: auto;
  }

  footer {
    flex-wrap: wrap;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181a19;
    --surface: #202321;
    --text: #f1eee7;
    --muted: #b7b4ac;
    --line: #3d413e;
    --accent: #76aaa2;
    --accent-strong: #9ac9c2;
    --accent-text: #102321;
  }
}