/* Persist OS site. One design system for the landing page and the docs: the docs share
   the locked landing tokens (colors, type) while keeping their own documentation shell.
   Static CSS, no build step. Every token lives on :root; dark mode overrides them. */

:root {
  color-scheme: light;

  /* Type. System stacks only: nothing is fetched. Shared with the landing page, which
     carries no serif face — --font-serif intentionally resolves to the same stack. */
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-serif:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* Type scale (major second-ish below, clamped display sizes above). */
  --t-1: 0.75rem;
  --t-2: 0.8125rem;
  --t-3: 0.9375rem;
  --t-4: 1.0625rem;
  --t-5: 1.1875rem;
  --t-6: 1.375rem;
  --t-7: 1.75rem;
  --t-8: clamp(2rem, 1.4rem + 2.4vw, 3rem);
  --t-9: clamp(2.75rem, 1.5rem + 5.4vw, 5.75rem);

  /* Spacing scale. */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;

  /* Locked landing palette. Every text token clears WCAG AA (4.5:1) on every surface
     it sits on. */
  --bg: #fafafa;
  --bg-docs: #f8f8fa;
  --bg-raised: #ffffff;
  --bg-sunken: #f4f4f7;
  --bg-code: #f4f4f7;
  --ink: #24242c;
  --text: #585862;
  --muted: #6b6b78;
  --line: #e4e4ea;
  --line-strong: #d7d7e0;
  --accent: #6955cf;
  --accent-ink: #ffffff;
  --accent-soft: #f0edf9;
  --accent-2: #5843bc;
  --ok: #267451;
  --warn: #936016;
  --err: #ad414a;

  /* The terminal keeps its own dark surface in both themes. */
  --dark-bg: #15151d;
  --dark-bg-deep: #101015;
  --dark-ink: #d2d2df;
  --dark-text: #d2d2df;
  --dark-muted: #a0a0b0;
  --dark-line: #30303b;
  --dark-accent: #b6a3ff;
  --dark-ok: #85caa6;
  --dark-warn: #e1b777;
  --dark-err: #ed9a9e;

  --shadow-1: 0 2px 4px rgb(30 25 50 / 2%), 0 16px 42px -24px rgb(30 25 50 / 18%);
  --shadow-2: 0 2px 4px rgb(30 25 50 / 4%), 0 24px 64px -24px rgb(30 25 50 / 28%);

  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 16px;

  --maxw: 1120px;
  --gutter: 24px;
  --header-h: 60px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #141418;
    --bg-docs: #18181e;
    --bg-raised: #1b1b21;
    --bg-sunken: #18181e;
    --bg-code: #222229;
    --ink: #efeff5;
    --text: #b1b1c0;
    --muted: #9898aa;
    --line: #30303a;
    --line-strong: #42424f;
    --accent: #b6a3ff;
    --accent-ink: #141418;
    --accent-soft: #2b253e;
    --accent-2: #ccbeff;
    --ok: #85caa6;
    --warn: #e1b777;
    --err: #ed9a9e;
    --dark-bg: #101015;
    --dark-bg-deep: #0c0c10;
    --dark-line: #30303a;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px -16px rgba(0, 0, 0, 0.5);
    --shadow-2: 0 1px 2px rgba(0, 0, 0, 0.4), 0 24px 64px -24px rgba(0, 0, 0, 0.7);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #141418;
  --bg-docs: #18181e;
  --bg-raised: #1b1b21;
  --bg-sunken: #18181e;
  --bg-code: #222229;
  --ink: #efeff5;
  --text: #b1b1c0;
  --muted: #9898aa;
  --line: #30303a;
  --line-strong: #42424f;
  --accent: #b6a3ff;
  --accent-ink: #141418;
  --accent-soft: #2b253e;
  --accent-2: #ccbeff;
  --ok: #85caa6;
  --warn: #e1b777;
  --err: #ed9a9e;
  --dark-bg: #101015;
  --dark-bg-deep: #0c0c10;
  --dark-line: #30303a;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px -16px rgba(0, 0, 0, 0.5);
  --shadow-2: 0 1px 2px rgba(0, 0, 0, 0.4), 0 24px 64px -24px rgba(0, 0, 0, 0.7);
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--t-4);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--t-9);
  letter-spacing: -0.04em;
  line-height: 1;
}

h2 {
  font-size: var(--t-8);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h3 {
  font-size: var(--t-6);
  letter-spacing: -0.015em;
}

p {
  margin: 0;
}

p + p {
  margin-top: 1em;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transition: text-decoration-color 120ms ease;
}

a:hover {
  text-decoration-color: currentColor;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

code {
  background: var(--bg-sunken);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

pre {
  position: relative;
  margin: 0;
  overflow-x: auto;
  background: var(--bg-code);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: var(--s-4) var(--s-5);
  line-height: 1.6;
  font-size: var(--t-2);
  color: var(--ink);
  tab-size: 2;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

/* Recorded transcripts wrap instead of scrolling, so nothing hides off-screen on a phone. */
.transcript {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.block-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--s-2);
}

.stack > * + * {
  margin-top: var(--s-5);
}

.stack .block-label {
  margin-top: var(--s-6);
}

.stack .block-label:first-child {
  margin-top: 0;
}

.two-col.even {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

/* Hand-marked syntax: prompt, command, comment/muted, and doctor severities. */
.p {
  color: var(--accent);
  user-select: none;
}

.c {
  color: var(--ink);
  font-weight: 600;
}

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

.s {
  color: var(--accent-2);
}

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

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

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

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.04em;
}

strong {
  color: var(--ink);
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--accent-soft);
  color: var(--ink);
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 14px;
  border-radius: var(--radius-s);
  z-index: 100;
  text-decoration: none;
  font-weight: 500;
}

.skip-link:focus {
  top: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Version banner ---------- */

.banner {
  background: var(--accent-soft);
  border-bottom: 1px solid var(--line);
  font-size: var(--t-2);
  text-align: center;
  color: var(--ink);
}

.banner a {
  display: block;
  padding: 8px var(--gutter);
  color: inherit;
  text-decoration: none;
}

.banner a:hover .arrow {
  transform: translateX(3px);
}

.banner .arrow {
  display: inline-block;
  color: var(--accent);
  transition: transform 160ms ease;
}

/* ---------- Header ---------- */

.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.site-header.is-sticky {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--t-4);
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  flex: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--t-3);
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius-s);
  transition:
    color 120ms ease,
    background-color 120ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--bg-sunken);
}

.site-nav .sep {
  width: 1px;
  height: 20px;
  background: var(--line-strong);
  margin: 0 8px;
}

.icon-link,
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-s);
  color: var(--muted);
  transition:
    color 120ms ease,
    background-color 120ms ease;
}

.site-nav .icon-link {
  padding: 0;
}

.icon-link:hover,
.theme-toggle:hover {
  color: var(--ink);
  background: var(--bg-sunken);
}

.icon-link svg,
.theme-toggle svg {
  width: 18px;
  height: 18px;
}

.theme-toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.theme-toggle .icon-moon {
  display: none;
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun {
    display: none;
  }

  :root:not([data-theme="light"]) .theme-toggle .icon-moon {
    display: block;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-strong);
  background: var(--bg-raised);
  color: var(--ink);
  font-weight: 500;
  font-size: var(--t-3);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    transform 120ms ease,
    box-shadow 140ms ease;
}

.btn:hover {
  border-color: var(--muted);
  box-shadow: var(--shadow-1);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, var(--ink));
  border-color: color-mix(in srgb, var(--accent) 88%, var(--ink));
  box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--accent) 60%, transparent);
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn .arrow {
  transition: transform 160ms ease;
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* ---------- Install command ---------- */

.cmd {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  max-width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--bg-raised);
  padding: 4px 4px 4px 14px;
  font-family: var(--font-mono);
  font-size: var(--t-3);
  color: var(--ink);
  min-height: 46px;
}

.cmd .prompt {
  color: var(--accent);
  user-select: none;
}

.cmd .cmd-text {
  overflow-wrap: anywhere;
  flex: 1;
}

.copy {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition:
    color 120ms ease,
    background-color 120ms ease;
}

.copy:hover {
  color: var(--ink);
  background: var(--bg-sunken);
}

.copy svg {
  width: 16px;
  height: 16px;
}

.copy[data-copied="true"] {
  color: var(--ok);
}

/* Copy button injected on docs code blocks. */
pre .copy {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  background: var(--bg-code);
  border: 1px solid var(--line);
  opacity: 0;
  transition:
    opacity 120ms ease,
    color 120ms ease;
}

pre:hover .copy,
pre:focus-within .copy,
pre .copy[data-copied="true"] {
  opacity: 1;
}

@media (hover: none) {
  pre .copy {
    opacity: 1;
  }
}

/* ---------- Sections ---------- */

.section {
  padding: var(--s-9) 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-sunken {
  background: var(--bg-sunken);
}

.section-dark {
  background: var(--dark-bg);
  color: var(--dark-text);
  border-top: 0;
}

.section-dark h2,
.section-dark h3,
.section-dark strong {
  color: var(--dark-ink);
}

.section-dark .lede,
.section-dark .muted {
  color: var(--dark-muted);
}

.section-dark .eyebrow {
  color: var(--dark-accent);
}

.section-dark a {
  color: var(--dark-accent);
}

.section-dark code {
  background: var(--dark-bg-deep);
  border-color: var(--dark-line);
  color: var(--dark-ink);
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--s-4);
}

.lede {
  font-size: var(--t-5);
  line-height: 1.55;
  color: var(--muted);
  max-width: 60ch;
  margin-top: var(--s-4);
}

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

.section-head {
  max-width: 760px;
  margin-bottom: var(--s-7);
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: var(--s-8);
  align-items: start;
}

@media (max-width: 880px) {
  .two-col {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-6);
  }

  .section {
    padding: var(--s-8) 0;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: var(--s-10) 0 var(--s-9);
  overflow: hidden;
  isolation: isolate;
}

/* Two warm glows and a faint paper grain. The grain is an inline SVG, so nothing is fetched. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      55% 50% at 18% 20%,
      color-mix(in srgb, var(--accent) 16%, transparent) 0%,
      transparent 70%
    ),
    radial-gradient(
      45% 45% at 88% 70%,
      color-mix(in srgb, var(--accent-2) 14%, transparent) 0%,
      transparent 70%
    );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  mix-blend-mode: multiply;
}

:root[data-theme="dark"] .hero::after {
  opacity: 0.06;
  mix-blend-mode: screen;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .hero::after {
    opacity: 0.06;
    mix-blend-mode: screen;
  }
}

.hero-copy {
  max-width: 900px;
}

.hero h1 .why {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.01em;
  padding-right: 0.06em;
}

.hero .lede {
  max-width: 56ch;
  margin-top: var(--s-6);
  font-size: var(--t-6);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
  margin-top: var(--s-7);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
  margin: var(--s-6) 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: var(--t-3);
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Ledger (what changed / why it changed) ---------- */

.ledger {
  margin-top: var(--s-9);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background: var(--bg-raised);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.ledger-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--t-1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.ledger-head > div {
  padding: var(--s-3) var(--s-5);
}

.ledger-head > div + div {
  border-left: 1px solid var(--line);
  color: var(--accent);
}

.ledger-head .file {
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  margin-left: 8px;
}

.ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--t-2);
  line-height: 1.5;
}

.ledger-row:last-of-type {
  border-bottom: 0;
}

.ledger-row > div {
  padding: var(--s-4) var(--s-5);
  min-width: 0;
  overflow-wrap: anywhere;
}

.ledger-row > div + div {
  border-left: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent-soft) 45%, transparent);
}

.ledger .hash {
  color: var(--accent-2);
  margin-right: 10px;
}

.ledger .id {
  color: var(--accent);
  margin-right: 10px;
}

.ledger .status {
  display: inline-block;
  margin-left: 10px;
  font-size: var(--t-1);
  color: var(--ok);
  letter-spacing: 0.04em;
}

.ledger-foot {
  padding: var(--s-3) var(--s-5);
  border-top: 1px solid var(--line);
  background: var(--bg-sunken);
  color: var(--muted);
  font-size: var(--t-2);
}

.ledger-foot a {
  color: inherit;
}

@media (max-width: 720px) {
  .ledger-head,
  .ledger-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .ledger-head > div + div,
  .ledger-row > div + div {
    border-left: 0;
    border-top: 1px dashed var(--line);
  }

  .ledger-row > div:first-child {
    padding-bottom: var(--s-3);
  }

  .ledger-row > div + div {
    padding-top: var(--s-3);
  }
}

@media (max-width: 960px) {
  .hero {
    padding: var(--s-8) 0;
  }

  .ledger {
    margin-top: var(--s-8);
  }
}

/* ---------- Terminal ---------- */

.terminal {
  background: var(--dark-bg-deep);
  color: var(--dark-text);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: var(--t-2);
  line-height: 1.6;
}

.terminal-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  padding: 10px var(--s-4);
  border-bottom: 1px solid var(--dark-line);
  color: var(--dark-muted);
  font-size: var(--t-1);
  letter-spacing: 0.02em;
}

.terminal pre {
  background: none;
  border: 0;
  border-radius: 0;
  padding: var(--s-4) var(--s-5) var(--s-5);
  color: inherit;
  font-size: inherit;
  line-height: inherit;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.terminal .p {
  color: var(--dark-accent);
}

.terminal .c {
  color: var(--dark-ink);
}

.terminal .m {
  color: var(--dark-muted);
}

.terminal .ok {
  color: var(--dark-ok);
}

.terminal .warn {
  color: var(--dark-warn);
}

.terminal .err {
  color: var(--dark-err);
}

/* ---------- Question list ---------- */

.questions {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.questions li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--s-3);
  align-items: baseline;
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--t-6);
  color: var(--ink);
  letter-spacing: -0.015em;
  font-family: var(--font-serif);
  font-style: italic;
}

.questions li span {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--t-1);
  color: var(--accent);
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps li {
  padding: var(--s-6) var(--s-6) var(--s-6) 0;
  border-right: 1px solid var(--line);
}

.steps li + li {
  padding-left: var(--s-6);
}

.steps li:last-child {
  border-right: 0;
  padding-right: 0;
}

.step-n {
  font-family: var(--font-mono);
  font-size: var(--t-1);
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--s-5);
  display: block;
}

.steps h3 {
  margin-bottom: var(--s-3);
}

.steps p {
  color: var(--muted);
  font-size: var(--t-3);
}

.steps .paths {
  margin: var(--s-5) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--t-2);
  color: var(--text);
  line-height: 1.75;
}

.steps .paths li {
  padding: 0;
  border: 0;
  overflow-wrap: anywhere;
}

@media (max-width: 880px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .steps li,
  .steps li + li,
  .steps li:last-child {
    padding: var(--s-6) 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .steps li:last-child {
    border-bottom: 0;
  }
}

/* ---------- File tree ---------- */

.tree {
  font-size: var(--t-2);
  line-height: 1.75;
}

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

/* ---------- Diff ---------- */

.diff {
  font-size: var(--t-2);
  line-height: 1.7;
}

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

.diff .del,
.diff .add {
  display: block;
  margin: 0 calc(-1 * var(--s-5));
  padding: 0 var(--s-5);
}

.diff .del {
  color: var(--err);
  background: color-mix(in srgb, var(--err) 9%, transparent);
}

.diff .add {
  color: var(--ok);
  background: color-mix(in srgb, var(--ok) 11%, transparent);
}

/* ---------- Exit codes ---------- */

.codes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--bg-raised);
  margin: 0;
  padding: 0;
  list-style: none;
}

.section-dark .codes {
  background: var(--dark-bg-deep);
  border-color: var(--dark-line);
}

.codes li {
  padding: var(--s-5) var(--s-5) 20px;
  border-right: 1px solid var(--line);
}

.section-dark .codes li {
  border-color: var(--dark-line);
}

.codes li:last-child {
  border-right: 0;
}

.codes .n {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-8);
  font-weight: 500;
  line-height: 1;
  margin-bottom: var(--s-2);
}

.codes .l {
  display: block;
  color: var(--ink);
  font-weight: 500;
  font-size: var(--t-3);
}

.section-dark .codes .l {
  color: var(--dark-ink);
}

.codes .d {
  display: block;
  color: var(--muted);
  font-size: var(--t-3);
  margin-top: 2px;
}

.section-dark .codes .d {
  color: var(--dark-muted);
}

.codes .ok .n {
  color: var(--ok);
}

.codes .warn .n {
  color: var(--warn);
}

.codes .err .n {
  color: var(--err);
}

.section-dark .codes .ok .n {
  color: var(--dark-ok);
}

.section-dark .codes .warn .n {
  color: var(--dark-warn);
}

.section-dark .codes .err .n {
  color: var(--dark-err);
}

@media (max-width: 640px) {
  .codes {
    grid-template-columns: minmax(0, 1fr);
  }

  .codes li,
  .section-dark .codes li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section-dark .codes li {
    border-bottom-color: var(--dark-line);
  }

  .codes li:last-child {
    border-bottom: 0;
  }
}

/* ---------- Check list ---------- */

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--s-7);
}

.checks li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--s-4);
  align-items: baseline;
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--t-3);
}

.section-dark .checks li {
  border-color: var(--dark-line);
}

.checks .what {
  color: var(--text);
}

.section-dark .checks .what {
  color: var(--dark-text);
}

.checks .what code {
  font-size: 0.8rem;
}

.checks .sev {
  font-family: var(--font-mono);
  font-size: var(--t-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.sev-err {
  color: var(--err);
}

.sev-warn {
  color: var(--warn);
}

.sev-mixed,
.sev-info {
  color: var(--muted);
}

.section-dark .sev-err {
  color: var(--dark-err);
}

.section-dark .sev-warn {
  color: var(--dark-warn);
}

.section-dark .sev-mixed,
.section-dark .sev-info {
  color: var(--dark-muted);
}

@media (max-width: 720px) {
  .checks {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- Definition list ---------- */

.defs {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.defs > div {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: var(--s-5);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
}

.defs dt {
  color: var(--ink);
  font-weight: 600;
  font-size: var(--t-4);
}

.defs dd {
  margin: 0;
  color: var(--muted);
  font-size: var(--t-3);
}

.defs dd code {
  font-size: 0.8rem;
}

@media (max-width: 640px) {
  .defs > div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-2);
  }
}

/* ---------- Tables ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-raised);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--t-3);
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: var(--s-3) var(--s-4);
  border-bottom: 1px solid var(--line);
}

th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--t-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg-sunken);
}

tbody tr:last-child td {
  border-bottom: 0;
}

td code {
  white-space: nowrap;
}

td.cmd-cell {
  white-space: nowrap;
}

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

@media (max-width: 640px) {
  td.cmd-cell,
  td code {
    white-space: normal;
  }

  /* Three-column tables scroll inside their wrapper instead of squeezing to a word per line. */
  .table-wide table {
    min-width: 640px;
  }
}

/* ---------- Plain lists ---------- */

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

.plain li {
  position: relative;
  padding: var(--s-3) 0 var(--s-3) 22px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.plain li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.15em;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--s-6) 0 var(--s-7);
  color: var(--muted);
  font-size: var(--t-3);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3) var(--s-6);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-1) var(--s-4);
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.site-footer a svg {
  width: 15px;
  height: 15px;
}

/* ---------- Docs layout ---------- */

body.docs-body {
  background: var(--bg-docs);
}

body.docs-body .site-header,
body.docs-body .site-footer {
  background: var(--bg-docs);
}

body.docs-body .site-header.is-sticky {
  background: color-mix(in srgb, var(--bg-docs) 92%, transparent);
}

.docs {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--s-8);
  padding-top: var(--s-7);
  padding-bottom: var(--s-9);
}

.docs-side {
  position: sticky;
  top: calc(var(--header-h) + var(--s-6));
  align-self: start;
}

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

.docs-nav li {
  flex: none;
}

.docs-nav .group {
  font-family: var(--font-mono);
  font-size: var(--t-1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 10px 8px;
}

.docs-nav .group:not(:first-child) {
  padding-top: var(--s-5);
}

.docs-nav a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: var(--t-3);
  padding: 6px 10px;
  border-radius: var(--radius-s);
  transition:
    color 120ms ease,
    background-color 120ms ease;
}

.docs-nav a:hover {
  color: var(--ink);
  background: var(--bg-sunken);
}

.docs-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 500;
}

.docs-main {
  min-width: 0;
  max-width: 72ch;
  font-size: var(--t-4);
  line-height: 1.7;
}

.docs-main > header {
  margin-bottom: var(--s-7);
}

.docs-main > header h1 {
  font-size: var(--t-8);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.docs-main > header .lede {
  margin-top: var(--s-3);
  font-size: var(--t-5);
}

.docs-pager {
  display: flex;
  justify-content: space-between;
  gap: var(--s-4);
  margin-top: var(--s-8);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  font-size: var(--t-3);
}

.docs-pager a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}

.docs-pager a span {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--t-1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 400;
}

.docs-pager .next {
  text-align: right;
  margin-left: auto;
}

@media (max-width: 880px) {
  .docs {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-5);
    padding-top: var(--s-5);
  }

  .docs-side {
    position: static;
  }

  /* On small screens the section list becomes one horizontal, scrollable row of links. */
  .docs-nav {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    margin: 0 calc(-1 * var(--gutter));
    padding: 2px var(--gutter) 8px;
    scrollbar-width: none;
  }

  .docs-nav::-webkit-scrollbar {
    display: none;
  }

  .docs-nav .group {
    display: none;
  }

  .docs-nav a {
    white-space: nowrap;
    border: 1px solid var(--line);
    background: var(--bg-raised);
    padding: 6px 12px;
    font-size: var(--t-2);
  }

  .docs-nav a[aria-current="page"] {
    border-color: transparent;
  }
}

/* ---------- Prose (docs body) ---------- */

.prose > * + * {
  margin-top: 1.15em;
}

.prose h2 {
  font-size: var(--t-7);
  letter-spacing: -0.025em;
  margin-top: 2.6em;
  padding-top: 0.7em;
  border-top: 1px solid var(--line);
}

.prose h3 {
  font-size: var(--t-5);
  margin-top: 2em;
}

.prose h2 + *,
.prose h3 + * {
  margin-top: 0.7em;
}

.prose p,
.prose li {
  color: var(--text);
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li + li {
  margin-top: 0.4em;
}

.prose pre {
  margin-top: 1.1em;
  padding: var(--s-5);
  font-size: var(--t-2);
  line-height: 1.65;
}

.prose .table-wrap {
  margin-top: 1.1em;
}

.prose .note {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 18px;
  color: var(--muted);
}

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

.prose a code {
  color: inherit;
}

.prose .codes,
.prose .defs {
  margin-top: 1.3em;
}

.prose .defs > div {
  grid-template-columns: 220px minmax(0, 1fr);
}

@media (max-width: 640px) {
  .prose .defs > div {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  .hero-copy > *,
  .hero .ledger {
    animation: rise 640ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }

  .hero-copy > *:nth-child(2) {
    animation-delay: 80ms;
  }

  .hero-copy > *:nth-child(3) {
    animation-delay: 160ms;
  }

  .hero-copy > *:nth-child(4) {
    animation-delay: 220ms;
  }

  .hero .ledger {
    animation-delay: 320ms;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

/* ---------- Phone ---------- */

@media (max-width: 480px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 1rem;
  }

  .hero-actions .btn,
  .hero-actions .cmd {
    flex: 1 1 100%;
  }

  .terminal {
    font-size: var(--t-1);
  }

  .brand {
    white-space: nowrap;
  }

  .site-nav a {
    padding: 6px 7px;
  }

  .site-nav .sep {
    margin: 0 4px;
  }

  .icon-link,
  .theme-toggle {
    width: 32px;
    height: 32px;
  }
}

/* Landing page field-guide layout. Scoped to preserve the documentation shell. */
.landing-page {
  --paper: #f3f0e7;
  --paper-raised: #fbf9f2;
  --paper-deep: #e8e4d8;
  --field-ink: #1b1d19;
  --field-text: #353a32;
  --field-muted: #626b5f;
  --field-line: #b8baae;
  --field-line-soft: #d7d5ca;
  --field-dark: #1b1c19;
  --field-dark-deep: #11120f;
  --field-dark-ink: #f3f0e7;
  --field-dark-muted: #a9ad9f;
  --signal: #caff3e;
  --signal-ink: #171a13;
  --coral: #eb674f;
  --field-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Helvetica, Arial, sans-serif;
  --field-mono: ui-monospace, "SFMono-Regular", "Cascadia Code", Menlo, Consolas, monospace;
  --bg: var(--paper);
  --bg-raised: var(--paper-raised);
  --bg-sunken: var(--paper-deep);
  --ink: var(--field-ink);
  --text: var(--field-text);
  --muted: var(--field-muted);
  --line: var(--field-line-soft);
  --line-strong: var(--field-line);
  --accent: #48671f;
  --accent-soft: #e2efbf;
  --maxw: 1320px;
  --gutter: clamp(20px, 4vw, 64px);
  background: var(--paper);
  color: var(--field-text);
  font-family: var(--field-sans);
  font-size: 1rem;
  overflow-x: clip;
}

:root[data-theme="dark"] .landing-page {
  --paper: #181815;
  --paper-raised: #20211d;
  --paper-deep: #11120f;
  --field-ink: #f3f0e7;
  --field-text: #d9d8ce;
  --field-muted: #a2a79a;
  --field-line: #55594f;
  --field-line-soft: #363930;
  --field-dark: #0d0f0c;
  --field-dark-deep: #080a07;
  --field-dark-ink: #f5f2e9;
  --field-dark-muted: #aeb2a4;
  --accent: #caff3e;
  --accent-soft: #303b20;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .landing-page {
    --paper: #181815;
    --paper-raised: #20211d;
    --paper-deep: #11120f;
    --field-ink: #f3f0e7;
    --field-text: #d9d8ce;
    --field-muted: #a2a79a;
    --field-line: #55594f;
    --field-line-soft: #363930;
    --field-dark: #0d0f0c;
    --field-dark-deep: #080a07;
    --field-dark-ink: #f5f2e9;
    --field-dark-muted: #aeb2a4;
    --accent: #caff3e;
    --accent-soft: #303b20;
  }
}

.landing-page main {
  overflow: clip;
}

.landing-page h1,
.landing-page h2,
.landing-page h3 {
  color: var(--field-ink);
  font-family: var(--field-sans);
  text-wrap: balance;
}

.field-wrap {
  width: min(100%, var(--maxw));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.field-note {
  background: var(--field-ink);
  color: var(--paper-raised);
  font-family: var(--field-mono);
  font-size: 0.7rem;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.field-note-inner {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.field-note-inner > span,
.field-note a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.field-note-inner i,
.field-terminal-state i {
  width: 7px;
  height: 7px;
  background: var(--signal);
}

.field-note a {
  min-height: 34px;
  color: var(--signal);
  text-decoration: none;
}

.landing-page .field-header {
  background: var(--paper);
  border-bottom: 1px solid var(--field-line);
}

.field-header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.landing-page .field-brand {
  gap: 11px;
  color: var(--field-ink);
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.landing-page .field-brand .brand-mark {
  width: 28px;
  height: 28px;
  color: var(--field-ink);
}

.field-brand-tag {
  padding-left: 12px;
  border-left: 1px solid var(--field-line);
  color: var(--field-muted);
  font-family: var(--field-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.landing-page .field-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.landing-page .field-nav a,
.landing-page .field-theme {
  min-height: 44px;
  border-radius: 0;
  color: var(--field-text);
  font-family: var(--field-mono);
  font-size: 0.75rem;
  font-weight: 650;
}

.landing-page .field-nav a {
  display: inline-flex;
  align-items: center;
  padding-inline: 13px;
  text-decoration: none;
}

.landing-page .field-nav a:hover,
.landing-page .field-theme:hover {
  background: var(--field-ink);
  color: var(--signal);
}

.landing-page .field-theme {
  width: 44px;
  height: 44px;
  margin-left: 6px;
  border-left: 1px solid var(--field-line);
}

.field-hero {
  position: relative;
  border-bottom: 1px solid var(--field-line);
  background-color: var(--paper);
  background-image: linear-gradient(color-mix(in srgb, var(--field-line) 12%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--field-line) 12%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
}

.field-hero::before {
  content: "";
  position: absolute;
  inset: 0 50% 0 auto;
  border-left: 1px dashed color-mix(in srgb, var(--field-line) 45%, transparent);
}

.field-hero-grid {
  min-height: min(730px, calc(100vh - 106px));
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(44px, 6vw, 96px);
  align-items: center;
  padding-block: clamp(64px, 7vw, 96px);
}

.field-hero-copy,
.field-terminal,
.field-map-copy,
.field-doctor-copy {
  min-width: 0;
}

.field-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  color: var(--field-muted);
  font-family: var(--field-mono);
  font-size: clamp(0.68rem, 0.65rem + 0.1vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.085em;
  line-height: 1.4;
  text-transform: uppercase;
}

.field-kicker > span {
  display: inline-grid;
  place-items: center;
  width: 29px;
  height: 23px;
  border: 1px solid var(--field-line);
  color: var(--field-ink);
}

.field-kicker-dark {
  color: var(--field-dark-muted);
}

.field-kicker-dark > span {
  border-color: #565a4e;
  color: var(--signal);
}

.field-hero h1 {
  max-width: 720px;
  font-size: clamp(2.75rem, 2rem + 2.7vw, 4.75rem);
  font-weight: 820;
  letter-spacing: -0.06em;
  line-height: 0.94;
}

.field-hero h1 em {
  position: relative;
  display: inline-block;
  padding-right: 0.08em;
  color: inherit;
  font: inherit;
  font-weight: 430;
}

.field-hero h1 em::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  bottom: 0.03em;
  height: 0.16em;
  background: var(--signal);
}

.field-deck {
  max-width: 600px;
  margin-top: 30px;
  color: var(--field-text);
  font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.25rem);
  line-height: 1.55;
}

.landing-page .field-deck code,
.field-doctor-copy code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 0.88em;
  font-weight: 750;
}

.field-install {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  width: min(100%, 520px);
  min-height: 58px;
  margin-top: 32px;
  border: 1px solid var(--field-line);
  background: var(--paper-raised);
  box-shadow: 6px 6px 0 var(--field-line-soft);
  color: var(--field-ink);
}

.field-install-prompt {
  padding-left: 18px;
  color: #5d791f;
  font-family: var(--field-mono);
  font-weight: 800;
}

.field-install .cmd-text {
  min-width: 0;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: inherit;
  font-family: var(--field-mono);
  font-size: clamp(0.8rem, 0.75rem + 0.2vw, 0.9rem);
  font-weight: 650;
  white-space: nowrap;
}

.landing-page .field-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: auto;
  min-width: 82px;
  height: 56px;
  padding: 0 14px;
  border-left: 1px solid var(--field-line);
  border-radius: 0;
  color: var(--field-muted);
  font-family: var(--field-mono);
  font-size: 0.68rem;
  font-weight: 750;
  text-transform: uppercase;
}

.landing-page .field-copy:hover,
.landing-page .field-copy:focus-visible {
  background: var(--field-ink);
  color: var(--signal);
}

.landing-page .field-copy svg {
  width: 15px;
  height: 15px;
}

.field-copy[data-copied="true"] .field-copy-label {
  font-size: 0;
}

.field-copy[data-copied="true"] .field-copy-label::after {
  content: "Copied";
  font-size: 0.68rem;
}

.field-hero-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 26px;
  margin-top: 27px;
}

.field-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid currentColor;
  border-radius: 0;
  font-size: 0.82rem;
  font-weight: 750;
  text-decoration: none;
}

.field-button-primary {
  background: var(--field-ink);
  color: var(--paper-raised);
}

.field-button-primary:hover {
  background: var(--signal);
  color: var(--signal-ink);
}

.field-text-link {
  color: var(--field-ink);
  font-size: 0.84rem;
  font-weight: 720;
}

.field-trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--field-line-soft);
  color: var(--field-muted);
  font-family: var(--field-mono);
  font-size: 0.7rem;
  list-style: none;
  text-transform: uppercase;
}

.field-trust-line li::before {
  content: "+";
  margin-right: 7px;
  color: #5d791f;
  font-weight: 800;
}

.field-terminal {
  position: relative;
  margin: 0;
  border: 1px solid #3b3e36;
  background: var(--field-dark-deep);
  box-shadow: 14px 14px 0 color-mix(in srgb, var(--field-ink) 12%, transparent), 0 40px 80px -50px #000;
  color: #d9ddcf;
}

.field-terminal::before {
  content: "PRODUCT PROOF";
  position: absolute;
  top: -25px;
  right: -1px;
  padding: 5px 9px;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--field-mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.field-terminal-topbar {
  min-height: 45px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 15px;
  border-bottom: 1px solid #33362f;
  background: #20221e;
  color: #a3a899;
  font-family: var(--field-mono);
  font-size: 0.7rem;
}

.field-terminal-dots {
  display: flex;
  gap: 6px;
}

.field-terminal-dots span {
  width: 8px;
  height: 8px;
  border: 1px solid #6f7468;
}

.field-terminal-dots span:first-child {
  background: var(--coral);
  border-color: var(--coral);
}

.field-terminal-state {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.landing-page .field-terminal-body {
  min-height: 505px;
  margin: 0;
  padding: clamp(24px, 3vw, 36px);
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--field-dark-deep);
  color: #d4d9ca;
  font-family: var(--field-mono);
  font-size: clamp(0.78rem, 0.72rem + 0.2vw, 0.84rem);
  line-height: 1.52;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.landing-page .field-terminal-body code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
}

.term-comment,
.term-muted { color: #858b7d; }
.term-prompt,
.term-pass { color: var(--signal); }
.term-command,
.term-strong { color: #f4f2e8; font-weight: 750; }
.term-file { color: #c6d6a8; }
.term-info { color: #81b8ce; font-weight: 750; }
.term-exit { padding: 2px 6px; background: var(--signal); color: var(--signal-ink); font-weight: 800; }

.field-terminal figcaption {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 14px 18px;
  border-top: 1px solid #33362f;
  color: var(--field-dark-muted);
  font-size: 0.76rem;
}

.field-terminal figcaption span {
  color: var(--signal);
  font-family: var(--field-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.field-statement,
.field-doctor,
.field-final {
  background: var(--field-dark);
  color: var(--field-dark-ink);
}

.field-statement {
  padding-block: clamp(72px, 7vw, 112px) 0;
}

.field-statement-grid {
  display: block;
}

.field-statement h2,
.field-doctor h2,
.field-final h2 {
  color: var(--field-dark-ink);
}

.field-statement h2,
.field-section-head h2,
.field-map-copy h2,
.field-doctor h2,
.field-final h2 {
  font-size: clamp(2.2rem, 1.65rem + 2vw, 4rem);
  font-weight: 560;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.field-statement h2 {
  max-width: 780px;
}

.field-statement-copy {
  max-width: 760px;
  margin-top: 30px;
  color: var(--field-dark-muted);
  font-size: clamp(1rem, 0.94rem + 0.2vw, 1.12rem);
}

.field-statement-copy p + p {
  margin-top: 18px;
}

.field-comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(54px, 6vw, 88px);
  padding-inline: 0;
  border-top: 1px solid #3b3e36;
}

.field-comparison > div {
  min-height: 136px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-inline: var(--gutter);
}

.field-comparison > div + div {
  border-left: 1px solid #3b3e36;
  background: var(--signal);
  color: var(--signal-ink);
}

.field-comparison span {
  color: var(--field-dark-muted);
  font-family: var(--field-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field-comparison > div + div span { color: #3e4e18; }
.field-comparison strong {
  margin-top: 7px;
  color: var(--field-dark-ink);
  font-size: clamp(1.45rem, 1.2rem + 0.8vw, 2.15rem);
  font-weight: 620;
  letter-spacing: -0.035em;
}
.field-comparison > div + div strong { color: var(--signal-ink); }

.field-process,
.field-capabilities,
.field-map-section,
.field-trust {
  padding-block: clamp(72px, 7vw, 112px);
  border-bottom: 1px solid var(--field-line);
}

.field-section-head { max-width: 900px; }
.field-section-head > p:last-child,
.field-map-copy > p,
.field-doctor-copy > p {
  max-width: 620px;
  margin-top: 22px;
  color: var(--field-muted);
  font-size: clamp(1rem, 0.96rem + 0.16vw, 1.1rem);
}

.field-steps {
  margin: clamp(48px, 6vw, 76px) 0 0;
  padding: 0;
  border-top: 2px solid var(--field-ink);
  list-style: none;
}

.field-steps li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) minmax(190px, 0.34fr);
  gap: clamp(18px, 4vw, 54px);
  align-items: start;
  padding-block: 28px;
  border-bottom: 1px solid var(--field-line);
}

.field-step-number {
  color: #5d791f;
  font-family: var(--field-mono);
  font-size: 0.76rem;
  font-weight: 800;
}

.field-steps small {
  color: var(--field-muted);
  font-family: var(--field-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-steps h3 {
  max-width: 680px;
  margin-top: 5px;
  font-size: clamp(1.4rem, 1.24rem + 0.55vw, 1.9rem);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.field-steps li div > p {
  max-width: 680px;
  margin-top: 10px;
  color: var(--field-muted);
  font-size: 1rem;
}

.field-steps li > code {
  justify-self: end;
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--field-line);
  border-radius: 0;
  background: var(--paper-raised);
  color: var(--field-ink);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.field-steps li > code::before { content: "$ "; color: #5d791f; font-weight: 800; }

.field-capabilities { background: var(--paper-raised); }
.field-capabilities-head { max-width: 820px; }
.field-capability-groups { margin-top: clamp(48px, 6vw, 72px); border-top: 2px solid var(--field-ink); }
.field-capability-group {
  display: grid;
  grid-template-columns: minmax(190px, 0.32fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 76px);
  padding-block: 28px;
  border-bottom: 1px solid var(--field-line);
}

.field-capability-group-label { display: flex; align-items: baseline; gap: 16px; }
.field-capability-group-label > span { color: #5d791f; font-family: var(--field-mono); font-size: 0.7rem; font-weight: 800; }
.field-capability-group h3 { font-size: clamp(1.12rem, 1.02rem + 0.35vw, 1.35rem); font-weight: 680; letter-spacing: -0.025em; line-height: 1.2; }
.field-capability-group dl,
.field-capability-group dd { margin: 0; }
.field-capability-group dl > div {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  padding-block: 17px;
}
.field-capability-group dl > div:first-child { padding-top: 0; }
.field-capability-group dl > div:last-child { padding-bottom: 0; }
.field-capability-group dl > div + div { border-top: 1px solid var(--field-line-soft); }
.field-capability-group dt { color: var(--field-ink); font-size: 0.92rem; font-weight: 720; line-height: 1.45; }
.landing-page .field-capability-group dt code { padding: 0; border: 0; background: transparent; color: inherit; font-size: 0.9rem; font-weight: 760; }
.field-capability-group dd { max-width: 670px; color: var(--field-muted); font-size: 1rem; line-height: 1.58; }

.field-map-section { background: var(--paper-deep); }
.field-map-layout,
.field-doctor-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(500px, 1fr);
  gap: clamp(52px, 8vw, 120px);
  align-items: center;
}
.field-map-copy .field-text-link { display: inline-block; margin-top: 26px; }
.field-tree { border: 1px solid var(--field-line); border-top: 5px solid var(--field-ink); background: var(--paper-raised); box-shadow: 10px 10px 0 color-mix(in srgb, var(--field-line) 50%, transparent); }
.field-tree-title { padding: 16px 19px; border-bottom: 1px solid var(--field-line); color: var(--field-ink); font-family: var(--field-mono); font-size: 0.86rem; font-weight: 800; }
.field-tree-title span { margin-right: 9px; color: #5d791f; }
.field-tree > div:not(.field-tree-title) { display: grid; grid-template-columns: minmax(170px, 0.7fr) 1fr; gap: 20px; align-items: center; min-height: 54px; padding: 9px 18px; border-bottom: 1px solid var(--field-line-soft); }
.field-tree > p { margin: 0; padding: 12px 18px 7px; color: var(--field-muted); font-family: var(--field-mono); font-size: 0.76rem; }
.landing-page .field-tree code { padding: 0; border: 0; background: transparent; color: var(--field-ink); font-size: 0.8rem; font-weight: 720; }
.field-tree div > span { color: var(--field-muted); font-size: 0.86rem; }
.field-tree-child { padding-left: 42px !important; }
.field-tree-child code::before { content: "├─ "; color: var(--field-line); }
.field-tree-child:last-child code::before { content: "└─ "; }

.field-doctor { padding-block: clamp(72px, 7vw, 112px); }
.field-doctor-copy > p { color: var(--field-dark-muted); }
.field-button-signal { margin-top: 28px; border-color: var(--signal); background: var(--signal); color: var(--signal-ink); }
.field-button-signal:hover { background: transparent; color: var(--signal); }
.field-checks { border-top: 5px solid var(--signal); background: #242620; }
.field-checks > p { padding: 17px 21px; border-bottom: 1px solid #41443a; color: var(--field-dark-muted); font-family: var(--field-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.field-checks ul { margin: 0; padding: 0; list-style: none; }
.field-checks li { display: grid; grid-template-columns: 25px 1fr; gap: 10px; padding: 18px 21px; border-bottom: 1px solid #41443a; color: var(--field-dark-muted); font-size: 0.92rem; }
.field-checks li > b { color: var(--signal); }
.field-checks strong { display: block; margin-bottom: 2px; color: var(--field-dark-ink); font-size: 0.97rem; }
.field-exit-codes { display: grid; grid-template-columns: repeat(3, 1fr); }
.field-exit-codes span { min-height: 62px; display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--field-dark-muted); font-family: var(--field-mono); font-size: 0.7rem; text-transform: uppercase; }
.field-exit-codes span + span { border-left: 1px solid #41443a; }
.field-exit-codes b { color: var(--signal); font-size: 1rem; }

.field-constraints { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: clamp(46px, 6vw, 72px) 0 0; padding: 0; border-top: 2px solid var(--field-ink); list-style: none; }
.field-constraints li { min-height: 94px; display: flex; align-items: center; gap: 16px; padding: 18px; border-bottom: 1px solid var(--field-line); color: var(--field-ink); font-size: 1rem; font-weight: 680; }
.field-constraints li:not(:nth-child(3n + 1)) { border-left: 1px solid var(--field-line); }
.field-constraints li span { color: #5d791f; font-family: var(--field-mono); font-size: 0.7rem; font-weight: 800; }
.field-architecture-note { max-width: 900px; margin: 40px 0 0 auto; padding-left: 22px; border-left: 4px solid var(--signal); color: var(--field-muted); font-size: clamp(1rem, 0.96rem + 0.2vw, 1.18rem); }
.field-architecture-note span { color: var(--field-ink); font-weight: 750; }

.field-final { padding-block: clamp(72px, 7vw, 104px); }
.field-final-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(410px, 0.72fr); gap: clamp(48px, 8vw, 110px); align-items: end; }
.field-final-action { min-width: 0; }
.field-install-dark { width: 100%; margin: 0; border-color: #575b50; background: #23251f; box-shadow: 7px 7px 0 #35382f; color: var(--field-dark-ink); }
.field-install-dark .field-install-prompt { color: var(--signal); }
.field-install-dark .field-copy { border-left-color: #575b50; color: var(--field-dark-muted); }
.field-final-action > p { margin-top: 16px; color: var(--field-dark-muted); font-family: var(--field-mono); font-size: 0.72rem; text-align: right; text-transform: uppercase; }

.field-footer { padding-block: 44px; border-top: 1px solid #3b3e36; background: var(--field-dark-deep); color: var(--field-dark-muted); }
.field-footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr auto; gap: 42px; align-items: start; }
.field-footer .field-brand { color: var(--field-dark-ink); }
.field-footer-grid p { max-width: 390px; margin-top: 12px; color: var(--field-dark-muted); font-size: 0.78rem; }
.field-footer nav { display: grid; grid-template-columns: repeat(2, minmax(90px, 1fr)); gap: 8px 22px; }
.field-footer a { color: var(--field-dark-ink); font-size: 0.8rem; }
.field-footer-grid > p { margin: 0; text-align: right; }

@media (prefers-reduced-motion: no-preference) {
  .field-hero-copy > *, .field-terminal { animation: field-rise 560ms cubic-bezier(0.22, 0.7, 0.2, 1) both; }
  .field-hero-copy > *:nth-child(2) { animation-delay: 70ms; }
  .field-hero-copy > *:nth-child(3) { animation-delay: 130ms; }
  .field-terminal { animation-delay: 180ms; }
}

@keyframes field-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1100px) {
  .field-hero::before { display: none; }
  .field-hero-grid { grid-template-columns: 1fr; min-height: auto; gap: 70px; }
  .field-hero-copy { max-width: 800px; }
  .field-terminal { width: min(100%, 820px); margin-left: auto; }
  .field-map-layout, .field-doctor-grid { grid-template-columns: 1fr; }
  .field-map-copy, .field-doctor-copy { max-width: 820px; }
  .field-tree, .field-checks { width: min(100%, 840px); margin-left: auto; }
}

@media (max-width: 820px) {
  .field-brand-tag { display: none; }
  .field-capability-group { grid-template-columns: 1fr; gap: 19px; }
  .field-steps li { grid-template-columns: 42px minmax(0, 1fr); }
  .field-steps li > code { grid-column: 2; justify-self: start; width: auto; max-width: 100%; }
  .field-constraints { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field-constraints li:not(:nth-child(3n + 1)) { border-left: 0; }
  .field-constraints li:nth-child(even) { border-left: 1px solid var(--field-line); }
  .field-final-grid { grid-template-columns: 1fr; }
  .field-final-action { width: min(100%, 580px); }
  .field-final-action > p { text-align: left; }
  .field-footer-grid { grid-template-columns: 1fr auto; }
  .field-footer-grid > p { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 620px) {
  .landing-page { --gutter: 18px; }
  .field-note-inner { min-height: 42px; }
  .field-note a { min-height: 42px; font-size: 0; }
  .field-note a span { font-size: 0.8rem; }
  .field-header-inner { min-height: 112px; flex-wrap: wrap; gap: 0; padding-block: 12px 8px; }
  .landing-page .field-brand { width: 100%; }
  .landing-page .field-nav { width: 100%; justify-content: space-between; }
  .landing-page .field-nav a { padding-inline: 8px; }
  .landing-page .field-theme { margin-left: 0; border-left: 0; }
  .field-hero-grid { gap: 60px; padding-block: 52px 66px; }
  .field-hero h1 { font-size: clamp(2.5rem, 10.8vw, 2.875rem); line-height: 0.98; }
  .field-statement h2, .field-section-head h2, .field-map-copy h2, .field-doctor h2, .field-final h2 { font-size: clamp(2rem, 8.8vw, 2.5rem); line-height: 1.04; }
  .field-deck { margin-top: 24px; }
  .field-install { box-shadow: 4px 4px 0 var(--field-line-soft); }
  .field-install .cmd-text { padding-inline: 8px; font-size: 0.8125rem; line-height: 1.25; white-space: normal; overflow-wrap: anywhere; }
  .landing-page .field-copy { min-width: 48px; padding-inline: 12px; }
  .field-copy-label { display: none; }
  .field-trust-line { display: grid; grid-template-columns: 1fr; }
  .field-terminal::before { top: -22px; }
  .field-terminal-topbar { grid-template-columns: 1fr auto; }
  .field-terminal-topbar > span:nth-child(2) { display: none; }
  .landing-page .field-terminal-body { min-height: 0; padding: 21px 16px; font-size: 0.8125rem; line-height: 1.55; }
  .field-terminal figcaption { grid-template-columns: 1fr; gap: 5px; }
  .field-comparison { grid-template-columns: 1fr; }
  .field-comparison > div { min-height: 112px; }
  .field-comparison > div + div { border-top: 1px solid #3b3e36; border-left: 0; }
  .field-steps li { grid-template-columns: 30px minmax(0, 1fr); gap: 13px; }
  .field-capability-group dl > div { grid-template-columns: 1fr; gap: 6px; }
  .field-tree > div:not(.field-tree-title) { grid-template-columns: 1fr; gap: 2px; min-height: 66px; }
  .field-tree-child { padding-left: 28px !important; }
  .field-tree div > span { font-size: 0.9rem; }
  .field-exit-codes { grid-template-columns: 1fr; }
  .field-exit-codes span { min-height: 48px; justify-content: flex-start; padding-inline: 21px; }
  .field-exit-codes span + span { border-top: 1px solid #41443a; border-left: 0; }
  .field-constraints { grid-template-columns: 1fr; }
  .field-constraints li, .field-constraints li:nth-child(even) { min-height: 74px; border-left: 0; }
  .field-footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .field-footer-grid > p { grid-column: auto; }
}

@media (max-width: 360px) {
  .landing-page { --gutter: 14px; }
  .landing-page .field-nav a { padding-inline: 6px; }
  .field-install-prompt { padding-left: 12px; }
  .field-hero-links { flex-direction: column; align-items: stretch; }
  .field-button, .field-text-link { width: 100%; }
  .field-text-link { min-height: 44px; display: inline-flex; align-items: center; }
  .landing-page .field-terminal-body { padding-inline: 13px; }
}