:root {
  --font-sans: "General Sans", "Segoe UI", system-ui, sans-serif;
  --font-display: "Sentient", "Iowan Old Style", "Palatino Linotype", serif;
  --font-mono: "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --page: #faf9f5;
  --page-raised: #fffefb;
  --surface: #f3f2ed;
  --surface-strong: #e9e7df;
  --ink: #171713;
  --ink-soft: #35352f;
  --muted: #61645f;
  --line: #dfddd6;
  --line-strong: #c9c7be;
  --blue-strong: #145f9e;
  --blue: #2079c2;
  --blue-soft: #eaf4fb;
  --green: #2f7a4a;
  --green-soft: #e8f4ec;
  --amber: #9a6200;
  --amber-soft: #fbf1dc;
  --red: #b23a30;
  --red-soft: #fbe9e6;
  --white: #fffef9;

  --radius: 12px;
  --radius-sm: 8px;
  --container: 1152px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--page);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.25rem, 1.5rem + 2.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h2 {
  font-weight: 500;
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-weight: 500;
  font-size: 1.125rem;
  line-height: 1.35;
}

a {
  color: var(--blue-strong);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-thickness: 1px;
}

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

code,
pre,
kbd {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

:focus-visible {
  outline: 2px solid var(--blue-strong);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.lead {
  color: var(--ink-soft);
  font-size: 1.125rem;
  max-width: 44rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--page);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 3.75rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.brand span {
  color: var(--muted);
  font-weight: 400;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9375rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a:hover {
  color: var(--ink);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 6rem;
  padding: 2.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
}

.site-footer a {
  color: var(--ink-soft);
}

section {
  padding-block: 4rem;
}

.section-head {
  display: grid;
  gap: 0.75rem;
  max-width: 44rem;
  margin-bottom: 2rem;
}

@media (max-width: 720px) {
  section {
    padding-block: 3rem;
  }

  .site-nav {
    gap: 0.9rem;
  }

  .site-nav .nav-label {
    display: none;
  }
}