/* Hallmark · genre: editorial · macrostructure: Long Document · theme: Almanac · tone: austere editorial · anchor hue: burnt orange · audience: readers learning Jake's operating system · use: explain · enrichment: none · nav: N3 · footer: Ft4 · pre-emit critique: P5 H5 E5 S5 R5 V5 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50–57) */
@import url("/tokens.css");

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: currentColor;
  text-decoration-color: var(--color-rule);
  text-decoration-thickness: var(--rule-thin);
  text-underline-offset: var(--space-2xs);
}

a:focus-visible,
summary:focus-visible {
  outline: var(--rule-strong) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

a[aria-disabled="true"],
summary[aria-disabled="true"] {
  color: var(--color-muted);
  cursor: not-allowed;
  pointer-events: none;
  text-decoration: none;
}

a:active,
summary:active {
  color: var(--color-accent);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-md);
  inset-inline-start: var(--space-md);
  z-index: var(--z-skip);
  padding: var(--space-sm) var(--space-md);
  transform: translateY(-200%);
  background: var(--color-ink);
  color: var(--color-accent-ink);
  font-family: var(--font-body);
  white-space: nowrap;
}

.skip-link:focus {
  transform: none;
}

.sr-only {
  position: absolute;
  width: var(--rule-thin);
  height: var(--rule-thin);
  padding: 0;
  margin: calc(var(--rule-thin) * -1);
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.rail {
  display: none;
}

.mobile-index {
  position: relative;
  z-index: var(--z-sticky);
  border-block-end: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper);
}

.mobile-index summary {
  min-height: 3.5rem;
  padding: var(--space-sm) clamp(var(--space-md), 4vw, var(--space-lg));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  list-style: none;
}

.mobile-index summary::-webkit-details-marker {
  display: none;
}

.mobile-index summary span:last-child {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
}

.mobile-index nav {
  display: grid;
  gap: 0;
  padding: 0 clamp(var(--space-md), 4vw, var(--space-lg)) var(--space-md);
}

.mobile-index nav a {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  border-block-start: var(--rule-thin) solid var(--color-rule);
  text-decoration: none;
  white-space: nowrap;
}

main {
  padding-inline: max(clamp(var(--space-md), 5vw, var(--space-2xl)), env(safe-area-inset-left));
}

.document {
  width: min(100%, 65ch);
  margin-inline: auto;
  padding-block: var(--space-2xl) var(--space-4xl);
}

.document__header {
  padding-block-end: var(--space-4xl);
}

.document__meta {
  margin: 0 0 var(--space-xl);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1,
h2 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-style: normal;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: var(--text-display);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.lede {
  max-width: 52ch;
  margin: var(--space-xl) 0 0;
  font-family: var(--font-display);
  font-size: clamp(var(--text-md), 1.5vw + var(--text-base), var(--text-xl));
  font-weight: 300;
  letter-spacing: -0.012em;
  line-height: 1.42;
}

section {
  scroll-margin-block-start: var(--space-xl);
  margin-block-start: var(--space-3xl);
}

#criterios {
  margin-block-start: var(--space-4xl);
}

section h2 {
  display: inline;
  margin: 0;
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.012em;
  line-height: inherit;
}

section h2 + p {
  display: inline;
}

section h2 + p::after {
  content: "";
  display: block;
  height: var(--space-md);
}

section p {
  margin: 0;
}

section p + p {
  margin-block-start: var(--space-lg);
}

blockquote {
  margin: var(--space-2xl) 0;
  padding-block: var(--space-lg);
  border-block: var(--rule-thin) solid var(--color-rule);
}

blockquote p {
  max-width: 22ch;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.operating-model {
  margin: var(--space-2xl) 0 0;
}

.operating-model div {
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  border-block-start: var(--rule-thin) solid var(--color-rule);
}

.operating-model div:last-child {
  border-block-end: var(--rule-thin) solid var(--color-rule);
}

.operating-model dt {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.operating-model dd {
  margin: 0;
  color: var(--color-muted);
}

.blind-spot {
  margin-block: var(--space-2xl);
  padding: var(--space-lg) 0 var(--space-lg) var(--space-lg);
  border-inline-start: var(--rule-strong) solid var(--color-accent);
}

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

.closing {
  margin-block-start: var(--space-2xl);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-thin) solid var(--color-rule);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.colophon {
  padding: var(--space-xl) max(clamp(var(--space-md), 5vw, var(--space-2xl)), env(safe-area-inset-left)) max(var(--space-xl), env(safe-area-inset-bottom));
  border-block-start: var(--rule-thin) solid var(--color-rule);
  background: var(--color-paper-raised);
}

.colophon p {
  max-width: 92ch;
  margin: 0 auto;
  color: var(--color-muted);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.035em;
  line-height: 1.7;
}

@media (min-width: 40rem) {
  .document {
    padding-block-start: var(--space-3xl);
  }

  .operating-model div {
    grid-template-columns: minmax(8rem, 0.7fr) minmax(0, 2fr);
    gap: var(--space-xl);
  }
}

@media (min-width: 60rem) {
  .mobile-index {
    display: none;
  }

  .rail {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    z-index: var(--z-sticky);
    width: 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding-block: var(--space-lg);
    border-inline-end: var(--rule-thin) solid var(--color-rule);
    background: var(--color-paper);
    font-family: var(--font-outlier);
  }

  .rail__wordmark,
  .rail__edition {
    writing-mode: vertical-rl;
    text-orientation: mixed;
  }

  .rail__wordmark {
    min-width: 2.75rem;
    min-height: 2.75rem;
    display: grid;
    place-items: center;
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-decoration: none;
    white-space: nowrap;
  }

  .rail__index {
    display: grid;
    gap: var(--space-sm);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .rail__index a {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    place-items: center;
    text-decoration: none;
  }

  .rail__dot {
    width: var(--space-xs);
    height: var(--space-xs);
    border: var(--rule-thin) solid var(--color-muted);
    border-radius: 50%;
    transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out);
  }

  .rail__index a:hover .rail__dot,
  .rail__index a:focus-visible .rail__dot,
  .rail__index a:active .rail__dot {
    transform: scale(1.25);
    background: var(--color-accent);
  }

  .rail__edition {
    color: var(--color-muted);
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
  }

  main,
  .colophon {
    padding-inline-start: calc(4rem + var(--space-2xl));
  }

  .document {
    margin-inline: var(--space-4xl) auto;
  }
}

@media (hover: hover) and (pointer: fine) {
  a:hover,
  summary:hover {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
  }
}

@media (pointer: coarse) {
  a,
  summary {
    min-height: 2.75rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: var(--dur-micro) !important;
    animation-iteration-count: 1 !important;
    transition-duration: var(--dur-micro) !important;
  }
}