/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5
 * macrostructure: Long Document · tone: austere · anchor hue: mineral-orange
 * theme: PIEDRA Graphite · enrichment: none · studied: no
 * contrast: pass · responsive: pass · honest: pass · chrome: pass
 * semantic tokens: pass · icons: pass · slop test: 58/58
 */
@import url("./tokens.css");

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

html, body { margin: 0; overflow-x: clip; }
html { scroll-behavior: smooth; }

body {
  min-height: 100dvh;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-nav {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  color: var(--color-ink);
  background: var(--color-paper);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.nav-inner {
  width: min(100%, 76.25rem);
  min-height: 4.25rem;
  margin-inline: auto;
  padding-inline: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  min-height: 2.75rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.brand img { width: 1.875rem; height: 1.875rem; border-radius: var(--radius-sm); }

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-md);
  margin-inline: auto;
  color: var(--color-ink-2);
  font-size: var(--text-sm);
}

.nav-links a,
.nav-download {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.nav-download {
  margin-inline-start: auto;
  padding-inline: var(--space-sm);
  color: var(--color-accent-ink);
  background: var(--color-accent);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
}

.nav-version { display: none; margin-inline-start: var(--space-3xs); }

.release-page {
  width: min(100%, 76.25rem);
  margin-inline: auto;
  padding: var(--space-xl) var(--space-md) var(--space-3xl);
}

.release-intro {
  max-width: 65ch;
  margin-block-end: var(--space-2xl);
}

.back-link {
  min-height: 2.75rem;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  margin-block-end: var(--space-lg);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.version-line {
  margin: 0 0 var(--space-sm);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3 {
  min-width: 0;
  margin-block-start: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-style: normal;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 13ch;
  margin-block-end: var(--space-md);
  font-size: clamp(2.75rem, 7vw, 4.75rem);
  font-weight: 750;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.lede {
  max-width: 60ch;
  margin: 0 0 var(--space-lg);
  color: var(--color-ink-2);
  font-size: var(--text-md);
  line-height: 1.55;
}

.release-facts {
  margin: 0 0 var(--space-lg);
  padding-block: var(--space-sm);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  border-block: var(--rule-hair) solid var(--color-rule);
}

.release-facts div { min-width: 0; }
.release-facts dt { color: var(--color-muted); font-size: var(--text-xs); }
.release-facts dd { margin: var(--space-3xs) 0 0; color: var(--color-ink); font-weight: 700; }

.download-actions {
  display: flex;
  align-items: flex-start;
}

.button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.button {
  width: 100%;
  padding-inline: var(--space-md);
  color: var(--color-accent-ink);
  background: var(--color-accent);
  border: var(--rule-hair) solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 750;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-instant) var(--ease-out);
}

.release-notes {
  max-width: 65ch;
}

.release-notes-head {
  margin-block-end: var(--space-xl);
  padding-block-end: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
}

.release-notes-head h2 {
  margin-block-end: var(--space-sm);
  font-size: var(--text-xl);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.release-summary {
  max-width: 52ch;
  margin: 0;
  color: var(--color-ink-2);
}

.release-count {
  margin: 0;
  display: flex;
  align-items: flex-end;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
  line-height: 1.25;
}

.release-count strong {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.055em;
  line-height: 0.82;
}

.change-group {
  margin-block-end: var(--space-2xl);
}

.change-group-head {
  margin-block-end: var(--space-sm);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
}

.change-group-head h3 {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 800;
  letter-spacing: -0.015em;
}

.change-group-head p {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--text-xs);
  white-space: nowrap;
}

.change-group ol {
  margin: 0;
  padding: 0;
  display: grid;
  border-block-start: var(--rule-hair) solid var(--color-rule);
  list-style: none;
  counter-reset: change;
}

.change-group li {
  position: relative;
  min-height: 4.5rem;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-xl);
  display: flex;
  align-items: center;
  color: var(--color-ink-2);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  counter-increment: change;
}

.change-group li::before {
  content: counter(change, decimal-leading-zero);
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 50%;
  transform: translateY(-50%);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.download-close {
  max-width: 65ch;
  margin-block-start: var(--space-2xl);
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.download-close h2 { margin-block-end: var(--space-xs); font-size: var(--text-lg); letter-spacing: -0.025em; }
.download-close p { margin: 0 0 var(--space-md); color: var(--color-ink-2); }

.site-footer {
  color: var(--color-muted);
  background: var(--color-paper-2);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.footer-inner {
  width: min(100%, 76.25rem);
  margin-inline: auto;
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: var(--text-xs);
}

.footer-inner a { min-height: 2.75rem; display: inline-flex; align-items: center; white-space: nowrap; }

a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover,
  .back-link:hover,
  .footer-inner a:hover { color: var(--color-accent); }
  .button:hover,
  .nav-download:hover { opacity: 0.88; transform: translateY(-1px); }
}

.button:active,
.nav-download:active { opacity: 1; transform: translateY(1px); }

.nav-links a:active,
.back-link:active,
.footer-inner a:active { color: var(--color-ink); }

.button[aria-disabled="true"],
.nav-download[aria-disabled="true"],
.nav-links a[aria-disabled="true"],
.back-link[aria-disabled="true"],
.footer-inner a[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; transform: none; }
.button[data-state="loading"] { cursor: wait; }
.button[data-state="error"] { border-color: var(--color-error); }
.button[data-state="success"] { border-color: var(--color-success); }

@media (min-width: 44rem) {
  .nav-inner { padding-inline: var(--space-lg); }
  .nav-version { display: inline; }
  .release-page { padding: var(--space-2xl) var(--space-lg) var(--space-3xl); }
  .release-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .button { width: auto; }
  .release-count { align-self: flex-end; }
}

@media (min-width: 62rem) {
  .nav-links { display: flex; }
  .release-page { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--space-3xl); align-items: start; }
  .release-intro { margin-block-end: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button,
  .nav-download { transition-duration: var(--dur-instant); }
  .button:hover,
  .button:active,
  .nav-download:hover,
  .nav-download:active { transform: none; }
}