:root {
  color-scheme: light;
  --paper: #f2f0e9;
  --ink: #151613;
  --muted: #64645d;
  --line: #c8c5ba;
  --accent: #285c3d;
  --content: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.24em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.site-header,
main,
footer {
  width: min(calc(100% - 48px), var(--content));
  margin-inline: auto;
}

.site-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font: 700 0.92rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 24px;
  font-size: 0.78rem;
  font-weight: 650;
}

.site-nav a { text-decoration: none; }

.hero { padding: clamp(80px, 14vw, 180px) 0 clamp(100px, 15vw, 190px); }

.eyebrow,
.index {
  margin: 0 0 24px;
  color: var(--accent);
  font: 700 0.7rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { text-wrap: pretty; }

h1 {
  max-width: 1050px;
  margin: 0;
  font-size: clamp(3.2rem, 8.5vw, 7.4rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.93;
}

.lede {
  max-width: 720px;
  margin: 48px 0 0 auto;
  color: #373833;
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.primary-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  margin-top: 42px;
  font-weight: 650;
}

.primary-link {
  display: inline-flex;
  gap: 22px;
  align-items: center;
  padding: 14px 18px;
  color: var(--paper);
  background: var(--ink);
  text-decoration: none;
}

.primary-link:hover { color: #fff; background: var(--accent); }

.manifesto,
.protocol,
.resources {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.8fr);
  gap: clamp(48px, 9vw, 120px);
  padding: clamp(80px, 10vw, 130px) 0;
  border-top: 1px solid var(--line);
}

.manifesto-body > p {
  max-width: 760px;
  margin: 0 0 24px;
  color: #373833;
}

.manifesto-body .manifesto-opening {
  margin-top: -0.18em;
  color: var(--ink);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.manifesto-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 36px;
  margin-top: 58px;
  border-bottom: 1px solid var(--line);
}

.manifesto-points article {
  padding: 26px 0 32px;
  border-top: 1px solid var(--line);
}

.manifesto-points .index { display: block; margin-bottom: 30px; }
.manifesto-points h3 { margin: 0 0 12px; font-size: 1rem; }
.manifesto-points p { margin: 0; color: var(--muted); }

.manifesto-body .manifesto-close {
  margin: 42px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.manifesto-close strong { color: var(--ink); }

.history-main { padding: clamp(70px, 10vw, 130px) 0; }

.history-intro {
  max-width: 900px;
  padding-bottom: clamp(70px, 9vw, 110px);
}

.history-intro h1 { font-size: clamp(3rem, 7vw, 6.2rem); }

.history-intro > p:not(.eyebrow) {
  max-width: 720px;
  margin: 38px 0 0 auto;
  color: #373833;
  font-size: 1.12rem;
}

.history-intro .history-scope { color: var(--muted); font-size: 0.88rem; }
.history-scope strong { color: var(--ink); }
.history-intro > a { display: block; width: fit-content; margin: 28px 0 0 auto; font-weight: 650; }

.history-log { border-bottom: 1px solid var(--line); }

.history-entry {
  display: grid;
  grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1.8fr);
  gap: clamp(32px, 7vw, 96px);
  padding: 34px 0 40px;
  border-top: 1px solid var(--line);
}

.history-commit { display: flex; align-items: flex-start; flex-direction: column; gap: 10px; }
.history-commit a { font: 700 0.78rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; }
.history-commit span { color: var(--accent); font: 700 0.66rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: 0.1em; text-transform: uppercase; }
.history-content h2 { margin: 0; font-size: 1.2rem; font-weight: 650; }
.history-content h2 span { color: var(--muted); font: 500 0.76rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.history-entity { margin: 7px 0 0; overflow-wrap: anywhere; color: #373833; font: 0.78rem/1.45 ui-monospace, SFMono-Regular, Consolas, monospace; }
.history-time { margin: 15px 0 0; color: var(--muted); font-size: 0.76rem; }
.history-content details { margin-top: 24px; }
.history-content summary { width: fit-content; cursor: pointer; font-size: 0.82rem; font-weight: 650; }
.history-content pre { max-height: 520px; margin: 18px 0 0; padding: 20px; overflow: auto; border: 1px solid var(--line); background: #e9e6dd; font: 0.76rem/1.55 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.history-empty { padding: 42px 0; border-top: 1px solid var(--line); color: var(--muted); }
.history-pagination { display: flex; justify-content: flex-end; padding-top: 34px; font-weight: 650; }

.section-heading h2 {
  max-width: 360px;
  margin: 0;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.principles { margin: 0; padding: 0; list-style: none; }

.principles li {
  display: grid;
  grid-template-columns: 52px minmax(110px, 0.55fr) minmax(0, 1.4fr);
  gap: 18px;
  padding: 25px 0 30px;
  border-top: 1px solid var(--line);
}

.principles li:first-child { padding-top: 0; border-top: 0; }
.principles .index { margin: 7px 0 0; }
.principles h3 { margin: 0; font-size: 1rem; }
.principles p { margin: 0; color: var(--muted); }

.protocol-note {
  grid-column: 2;
  margin: -26px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.protocol-note strong { color: var(--ink); }

.resource-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px 42px;
}

.resource-groups h3 {
  margin: 0 0 14px;
  color: var(--muted);
  font: 700 0.68rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.resource-groups a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.resource-groups a:last-child { border-bottom: 1px solid var(--line); }

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 150px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

footer p { margin: 0; }
footer nav { display: flex; gap: 22px; }

@media (max-width: 760px) {
  .site-header,
  main,
  footer { width: min(calc(100% - 32px), var(--content)); }
  .site-header { min-height: 74px; }
  .hero { padding: 72px 0 100px; }
  h1 { font-size: clamp(3rem, 15.5vw, 5.4rem); }
  .lede { margin: 36px 0 0; }
  .primary-links { align-items: flex-start; flex-direction: column; gap: 22px; margin-top: 34px; }
  .manifesto,
  .protocol,
  .resources { grid-template-columns: 1fr; gap: 52px; padding: 82px 0; }
  .manifesto-points { grid-template-columns: 1fr; }
  .history-intro > p:not(.eyebrow),
  .history-intro > a { margin-left: 0; }
  .history-entry { grid-template-columns: 1fr; gap: 22px; }
  .principles li { grid-template-columns: 40px 1fr; }
  .principles p { grid-column: 2; }
  .protocol-note { grid-column: 1; margin-top: -18px; }
  .resource-groups { grid-template-columns: 1fr; gap: 46px; }
  footer { align-items: flex-start; flex-direction: column; justify-content: center; padding: 42px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}