:root {
  --ground: #f4f4f2;
  --ink: #141414;
  --muted: #8a8a8a;
  --hair: #e2e2e0;
  --display: "Hanken Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(20px, 5vw, 72px);
  --max-width: 1440px;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--display);
  line-height: 1.65;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--ground);
  border-bottom: 1px solid var(--hair);
}

nav {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-logo {
  width: 34px;
  height: 34px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-actions a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

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

.nav-actions .primary {
  padding: 11px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--ground);
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.nav-actions .primary:hover {
  background: var(--ground);
  color: var(--ink);
}

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

main {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 112px) var(--gutter) clamp(80px, 10vw, 144px);
}

.eyebrow {
  padding-top: 10px;
  border-top: 1px solid var(--ink);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--ink);
  font-family: var(--display);
}

h1 {
  margin: clamp(20px, 3vw, 36px) 0 12px;
  font-size: clamp(3rem, 7vw, 5.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

h2 {
  margin: clamp(42px, 6vw, 64px) 0 14px;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  font-size: clamp(1.35rem, 2.5vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p,
li {
  color: var(--ink);
  font-size: 1.05rem;
}

p {
  margin: 0 0 18px;
}

ul {
  margin: 0;
  padding-left: 24px;
}

li + li {
  margin-top: 8px;
}

.updated {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

main a {
  color: var(--ink);
  text-decoration-color: var(--muted);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

main a:hover {
  text-decoration-color: var(--ink);
}

footer {
  padding: 28px var(--gutter) 44px;
  border-top: 1px solid var(--ink);
}

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

footer a:hover {
  color: var(--ink);
}

.footer-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px 40px;
  flex-wrap: wrap;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

@media (max-width: 700px) {
  nav {
    padding: 14px 20px;
    gap: 16px;
  }

  .logo {
    gap: 9px;
    font-size: 20px;
  }

  .brand-logo {
    width: 30px;
    height: 30px;
  }

  .nav-actions {
    gap: 10px;
  }

  .nav-actions a {
    font-size: 9px;
  }

  .nav-actions .primary {
    padding: 9px 12px;
  }

  main {
    padding: 48px 20px 72px;
  }

  p,
  li {
    font-size: 1rem;
  }

  footer {
    padding: 24px 20px;
  }
}