/* AgentVault — "the notarized record"
   Identity: a printed permission record. Cool paper, ink type, hairline rules,
   functional allow/ask/deny signals. No third-party requests: fonts are self-hosted. */

@font-face {
  font-family: 'Fraunces';
  src: url('fonts/fraunces-latin-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Public Sans';
  src: url('fonts/public-sans-latin-var.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/jetbrains-mono-latin-var.woff2') format('woff2-variations');
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;

  /* surface */
  --paper: #e7e8e3;
  --paper-raised: #f1f2ee;
  --paper-form: #fbfbf8;

  /* ink */
  --ink: #14181a;
  --ink-2: #3c4441;
  --ink-3: #585f58;
  --rule: #c2c6bc;
  --rule-soft: #d7dad2;

  /* signals — meaning-bearing only */
  --allow: #2f6b45;
  --ask: #7d580d;
  --deny: #a02e20;
  --skip: #5d6468;

  --serif: 'Fraunces', 'Iowan Old Style', Georgia, 'Times New Roman', serif;
  --sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;

  --gutter: clamp(20px, 4.2vw, 60px);
  --wrap-max: 1220px;
  --measure: 62ch;
  --margin-col: 150px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --focus-clearance: 80px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (pointer: fine) {
  html { overscroll-behavior-x: none; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(15.5px, 1.02vw, 17px);
  line-height: 1.62;
  font-feature-settings: 'kern' 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -.018em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
figure, blockquote, pre { margin: 0; }
a { color: inherit; }
strong { font-weight: 600; }

.num, table, .stat-val, .ledger td { font-variant-numeric: tabular-nums; }

.matrix thead th { white-space: nowrap }
.cmp { table-layout: fixed }
.cmp th:nth-child(1) { width: 25% }
.cmp th:nth-child(2) { width: 27% }
.cmp th:nth-child(3) { width: 26% }
.cmp th:nth-child(4) { width: 22% }

code, kbd, pre, .mono { font-family: var(--mono); }

a, button, summary, input, [role="button"] {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  scroll-margin-block: var(--focus-clearance);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 1px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  font: 500 14px/1 var(--sans);
  z-index: 99;
}
.skip:focus { left: 12px; top: 12px; }

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

/* ── masthead ─────────────────────────────────────────────── */
.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(8px);
  border-bottom: 1px solid var(--ink);
}
.masthead-in {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 62px;
  padding-block: 8px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  margin-right: auto;
}
.brand svg { width: 27px; height: 27px; display: block; }
.brand-name {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.02em;
}
.nav { min-width: 0; }
.nav-scroll { display: flex; gap: 26px; }
.nav a {
  font: 500 14px/1 var(--sans);
  color: var(--ink-2);
  text-decoration: none;
  padding-block: 6px;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.gh-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 13.5px/1 var(--sans);
  text-decoration: none;
  padding: 9px 13px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.gh-btn:hover { background: var(--paper); color: var(--ink); }
.gh-btn svg { width: 15px; height: 15px; }

/* ── hero ────────────────────────────────────────────────── */
.hero { padding-top: clamp(44px, 6vw, 84px); padding-bottom: clamp(30px, 4vw, 52px); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: clamp(28px, 4.4vw, 68px);
  align-items: start;
}
.eyebrow {
  font: 500 12.5px/1 var(--mono);
  color: var(--ink-3);
  letter-spacing: .02em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::after {
  content: '';
  height: 1px;
  flex: 1;
  background: var(--rule);
}
h1 {
  font-size: clamp(2.5rem, 5.1vw, 4.15rem);
  font-weight: 600;
  letter-spacing: -.032em;
  line-height: .99;
}
h1 em {
  font-style: italic;
  font-weight: 500;
  font-variation-settings: 'opsz' 144;
}
.hero-lede {
  margin-top: 24px;
  max-width: 46ch;
  font-size: clamp(16.5px, 1.15vw, 19px);
  color: var(--ink-2);
  line-height: 1.55;
}
.hero-lede b { color: var(--ink); font-weight: 600; }

.install {
  margin-top: clamp(38px, 4.6vw, 62px);
  display: grid;
  grid-template-columns: var(--margin-col) minmax(0, 1fr);
  column-gap: clamp(20px, 3vw, 44px);
  align-items: start;
  border-top: 1px solid var(--rule);
  padding-top: clamp(22px, 2.6vw, 34px);
}
.install-label {
  font: 500 12px/1 var(--mono);
  color: var(--ink-3);
  letter-spacing: .02em;
  padding-top: 15px;
}
.install-label span { display: block; margin-top: 7px; font-weight: 400; }
.cmd {
  grid-column: 2;
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ink);
  background: var(--paper-form);
}
.cmd code {
  padding: 14px 15px;
  font-size: 13px;
  line-height: 1.4;
  overflow-wrap: anywhere;
  color: var(--ink);
  flex: 1;
  min-width: 0;
}
.cmd code .prompt { color: var(--ink-3); user-select: none; }
.copy {
  border: 0;
  border-left: 1px solid var(--ink);
  background: transparent;
  font: 500 12px/1 var(--mono);
  letter-spacing: .02em;
  color: var(--ink-2);
  padding: 0 15px;
  cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease);
}
.copy:hover { background: var(--ink); color: var(--paper); }
.install-note {
  grid-column: 2;
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--ink-3);
  max-width: 74ch;
}
.install-note a { color: var(--ink-2); }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.btn-quiet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 500 14px/1 var(--sans);
  text-decoration: none;
  padding: 11px 15px;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}
.btn-quiet:hover { border-color: var(--ink); color: var(--ink); }

/* ── the decision record (hero artifact) ──────────────────── */
.record {
  position: relative;
  background: var(--paper-form);
  border: 1px solid var(--ink);
  box-shadow: 0 1px 0 var(--ink), 9px 9px 0 -2px color-mix(in srgb, var(--ink) 5%, transparent);
}
.record-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 13px;
  border-bottom: 1px solid var(--ink);
  font: 500 10.5px/1.4 var(--mono);
  letter-spacing: .04em;
  color: var(--ink-2);
  text-transform: uppercase;
}
.record-body {
  padding: 15px 13px 13px;
  font: 400 12.4px/1.85 var(--mono);
  background-image: repeating-linear-gradient(to bottom, transparent 0 23.9px, var(--rule-soft) 23.9px 24px);
  background-position: 0 15px;
}
.record-body .l { display: block; min-width: 0; overflow-wrap: anywhere; }
.record-body .l-cmd { color: var(--ink); }
.record-body .l-out { color: var(--ink-3); }
.record-body .l-deny { color: var(--deny); }
.record-body .l-note {
  color: var(--ink-2);
  font-style: italic;
  font-family: var(--sans);
  font-size: 12.6px;
  line-height: 1.5;
}
.record-foot {
  border-top: 1px solid var(--rule);
  padding: 10px 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font: 400 11px/1.5 var(--mono);
  color: var(--ink-3);
}
.record-foot .hash { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.seal {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--allow);
  font-weight: 500;
  white-space: nowrap;
}
.seal svg { width: 13px; height: 13px; }

.stamp {
  position: absolute;
  right: 0;
  top: 47%;
  transform: translateX(34%) rotate(-7deg);
  border: 2.5px solid var(--deny);
  color: var(--deny);
  background: color-mix(in srgb, var(--paper-form) 72%, transparent);
  font: 700 15px/1 var(--mono);
  letter-spacing: .1em;
  padding: 7px 11px 6px;
  mix-blend-mode: multiply;
  pointer-events: none;
}
/* ── ledger strip ─────────────────────────────────────────── */
.strip { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.strip-in {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.strip-item {
  padding: 20px 22px 21px;
  border-left: 1px solid var(--rule);
}
.strip-item:first-child { border-left: 0; padding-left: 0; }
.stat-val {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.7rem, 2.5vw, 2.25rem);
  line-height: 1;
  letter-spacing: -.02em;
}
.stat-val small { font-size: .5em; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.stat-key {
  font: 400 12.5px/1.45 var(--sans);
  color: var(--ink-3);
  margin-top: 7px;
  max-width: 26ch;
}

/* ── clauses ──────────────────────────────────────────────── */
.clause {
  display: grid;
  grid-template-columns: var(--margin-col) minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 56px);
  padding-block: clamp(52px, 6.4vw, 92px);
  padding-inline: max(var(--gutter), calc(50% - (var(--wrap-max) / 2) + var(--gutter)));
  border-top: 1px solid var(--rule);
  scroll-margin-top: var(--focus-clearance);
}
.clause-mark {
  font: 500 12px/1.5 var(--mono);
  color: var(--ink-3);
  letter-spacing: .02em;
  padding-top: 9px;
}
.clause-mark i {
  display: block;
  font-style: normal;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-2);
  margin-top: 8px;
  line-height: 1.45;
  max-width: 20ch;
}
h2 {
  font-size: clamp(1.72rem, 2.7vw, 2.35rem);
  letter-spacing: -.025em;
  margin-bottom: 14px;
}
h3 {
  font-size: 1.06rem;
  font-weight: 600;
  font-family: var(--sans);
  letter-spacing: -.005em;
  line-height: 1.3;
}
.clause-lede {
  max-width: var(--measure);
  color: var(--ink-2);
  font-size: clamp(15.5px, 1.08vw, 17.5px);
}
.clause-lede + .clause-lede { margin-top: 14px; }

/* ── pipeline diagram ─────────────────────────────────────── */
.diagram { margin-top: 34px; border: 1px solid var(--ink); background: var(--paper-form); }
.diagram svg { display: block; width: 100%; height: auto; }
.diagram figcaption {
  border-top: 1px solid var(--rule);
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--ink-3);
}

/* ── definition rows (no card-in-card) ────────────────────── */
.rows { margin-top: 30px; border-top: 1px solid var(--rule); }
.row {
  display: grid;
  grid-template-columns: 34px minmax(0, 15em) minmax(0, 1fr);
  gap: 18px;
  padding: 17px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.row-tag { font: 500 11px/1.6 var(--mono); color: var(--ink-3); }
.row h3 { margin-bottom: 3px; }
.row-kicker { font: 400 12px/1.5 var(--mono); color: var(--ink-3); }
.row p { font-size: 14.6px; color: var(--ink-2); max-width: 52ch; }
.row p code { font-size: 13px; background: var(--paper-raised); padding: 1px 5px; border: 1px solid var(--rule-soft); }

/* ── recipe list (narrow column) ──────────────────────────── */
.sub-h { margin-top: 34px; }
.sub-note { font-size: 14.2px; color: var(--ink-2); margin-top: 4px; }
.recipes { margin: 16px 0 0; border-top: 1px solid var(--rule); }
.recipes > div { padding: 12px 0 13px; border-bottom: 1px solid var(--rule); }
.recipes dt { font: 500 12.6px/1.4 var(--mono); }
.recipes dt a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 28%, transparent);
  padding-bottom: 1px;
}
.recipes dt a:hover { border-bottom-color: var(--ink) }
.recipes dd {
  margin: 5px 0 0;
  font-size: 14.2px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 46ch;
}

/* ── code block ───────────────────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(22px, 3vw, 46px);
  margin-top: 32px;
  align-items: start;
}
.code {
  border: 1px solid var(--ink);
  background: var(--paper-form);
  overflow: hidden;
}
.code figcaption, .panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 13px;
  border-bottom: 1px solid var(--ink);
  font: 500 10.5px/1.4 var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.code pre {
  margin: 0;
  padding: 14px 13px 16px;
  font: 400 12.4px/1.8 var(--mono);
  overflow-x: auto;
  tab-size: 2;
}
.code .k { color: var(--deny); }
.code .s { color: var(--allow); }
.code .c { color: var(--ink-3); font-style: italic; }
.code .n { color: var(--ask); }

/* ── sideways scroll affordance ─────────────────────────────── */
/* Anything that scrolls sideways fades whichever edge still has content
   off-screen. site.js owns .scrolls (more to see right) and .scrolls-start
   (content scrolled past on the left); --fade is the band width per element. */
.table-scroll, .nav-scroll { --fade: 44px; }
.nav-scroll { --fade: 34px; }
.scrolls {
  mask-image: linear-gradient(90deg, #000 calc(100% - var(--fade)), transparent);
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - var(--fade)), transparent);
}
.scrolls-start {
  mask-image: linear-gradient(90deg, transparent, #000 var(--fade));
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 var(--fade));
}
.scrolls.scrolls-start {
  mask-image: linear-gradient(90deg, transparent, #000 var(--fade),
    #000 calc(100% - var(--fade)), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 var(--fade),
    #000 calc(100% - var(--fade)), transparent);
}

/* ── tables ───────────────────────────────────────────────── */
.table-scroll { overflow-x: auto; margin-top: 30px; -webkit-overflow-scrolling: touch; }
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13.4px;
  min-width: 560px;
}
caption {
  text-align: left;
  font: 400 12.5px/1.5 var(--sans);
  color: var(--ink-3);
  padding-bottom: 10px;
}
th, td {
  text-align: left;
  padding: 10px 14px 10px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
thead th {
  border-bottom: 1px solid var(--ink);
  font: 500 11px/1.4 var(--mono);
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}
tbody th { font-weight: 500; color: var(--ink); }
td.num, th.num { text-align: right; padding-right: 0; font-family: var(--mono); font-size: 12.8px; }
tbody tr:hover { background: var(--paper-raised); }
.v-allow { color: var(--allow); font-weight: 500; }
.v-deny { color: var(--deny); font-weight: 500; }
.v-ask { color: var(--ask); font-weight: 500; }
.v-skip { color: var(--skip); }
.footnote {
  margin-top: 14px;
  font-size: 12.6px;
  color: var(--ink-3);
  max-width: 78ch;
  line-height: 1.6;
}
.footnote code { font-size: 12px; }

/* ── approval channels ────────────────────────────────────── */
.channels { margin-top: 32px; display: grid; gap: 0; border: 1px solid var(--ink); background: var(--paper-form); }
.channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(18px, 2.4vw, 40px);
  padding: clamp(20px, 2.4vw, 30px) clamp(18px, 2.2vw, 28px);
  border-bottom: 1px solid var(--rule);
  align-items: center;
}
.channel:last-child { border-bottom: 0; }
.channel-meta .row-kicker { margin-bottom: 8px; }
.channel h3 { font-size: 1.14rem; }
.channel p { font-size: 14.4px; color: var(--ink-2); margin-top: 7px; max-width: 40ch; }
.mock {
  border: 1px solid var(--rule);
  background: var(--paper-raised);
  padding: 14px 15px;
  font: 400 12.4px/1.7 var(--mono);
  position: relative;
}
.mock .mock-title { font-weight: 500; color: var(--ink); }
.mock .l { display: block; overflow-wrap: anywhere; }
.mock-btns { display: flex; gap: 0; margin-top: 12px; border: 1px solid var(--ink); width: fit-content; }
.mock-btns span {
  font: 500 11.5px/1 var(--mono);
  padding: 8px 12px;
  border-left: 1px solid var(--ink);
  color: var(--ink-2);
}
.mock-btns span:first-child { border-left: 0; }
.mock-btns .b-allow { background: var(--allow); color: var(--paper-form); }
.mock-btns .b-deny { color: var(--deny); }
.mock-btns .b-default { background: var(--ink); color: var(--paper-form); }
.mock-note {
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 12.6px;
  line-height: 1.5;
  color: var(--ink-3);
}

/* ── evidence exhibit ─────────────────────────────────────── */
.evidence { margin-top: 30px; max-width: 900px; }
.evidence img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--ink);
  background: #282a36;
}
.evidence figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-3);
  max-width: 84ch;
}
.evidence figcaption a { color: var(--ink-2); }

/* ── audit ledger ─────────────────────────────────────────── */
.ledger { margin-top: 30px; }
.ledger table { min-width: 700px; font-size: 12.6px; table-layout: fixed; }
.ledger th:nth-child(1) { width: 13% }
.ledger th:nth-child(2) { width: 19% }
.ledger th:nth-child(3) { width: 9% }
.ledger th:nth-child(4) { width: 21% }
.ledger th:nth-child(5) { width: 12% }
.ledger th:nth-child(6) { width: 26% }
.ledger td, .ledger th { padding: 9px 12px 9px 0; }
.ledger td.num, .ledger th.num { padding-right: 26px; }
.ledger .chain { font-family: var(--mono); color: var(--ink-3); font-size: 11.6px; }
.ledger .chain b { color: var(--ink); font-weight: 500; }

/* ── charts ───────────────────────────────────────────────── */
.chart {
  margin-top: 34px;
  border: 1px solid var(--ink);
  background: var(--paper-form);
  padding: clamp(16px, 2vw, 26px);
}
.chart-title {
  font: 500 11px/1.4 var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 4px;
}
.chart-sub { font-size: 13px; color: var(--ink-3); margin-bottom: 20px; max-width: 70ch; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--rule);
  font: 400 12.2px/1.5 var(--sans);
  color: var(--ink-2);
}
.legend i { display: inline-block; width: 13px; height: 13px; border: 1px solid var(--ink); margin-right: 7px; vertical-align: -2px; }
.legend i.allow { background: var(--allow); }
.legend i.deny { background: var(--deny); }
.legend i.hatch {
  background: repeating-linear-gradient(45deg, var(--skip) 0 2px, transparent 2px 5px);
}
.legend i.none { background: var(--paper-form); }

/* ── gaps / disclosure ────────────────────────────────────── */
.gaps { margin-top: 28px; border-left: 2px solid var(--deny); padding-left: clamp(16px, 2vw, 26px); }
.gaps ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 16px; }
.gaps li { font-size: 14.6px; color: var(--ink-2); max-width: var(--measure); }
.gaps li b { color: var(--ink); font-weight: 600; }
.gaps li code { font-size: 12.6px; }

/* ── links grid ───────────────────────────────────────────── */
.linklist { margin-top: 30px; border-top: 1px solid var(--ink); }
.linklist a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) auto;
  gap: 18px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: padding-left .18s var(--ease), background-color .18s var(--ease);
}
.linklist a:hover { padding-left: 10px; background: var(--paper-raised); }
.linklist a .t { font-weight: 500; font-size: 15px; }
.linklist a .d { font-size: 13.4px; color: var(--ink-3); }
.linklist a .u { font: 400 12px/1 var(--mono); color: var(--ink-3); white-space: nowrap; }

/* ── footer ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--ink);
  margin-top: clamp(48px, 6vw, 84px);
  padding-block: 34px 54px;
}
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 50px);
}
.foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.foot-brand svg { width: 22px; height: 22px; }
.foot-brand span { font-family: var(--serif); font-weight: 700; font-size: 17px; }
footer p { font-size: 13px; color: var(--ink-3); max-width: 44ch; }
footer .foot-h {
  font: 500 11px/1.4 var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 12px;
}
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
footer ul a {
  font-size: 13.4px;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
footer ul a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.colophon {
  margin-top: 34px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font: 400 12px/1.6 var(--mono);
  color: var(--ink-3);
}

/* ── motion ───────────────────────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .stamp {
    animation: stamp-land .62s var(--ease) .35s 1 both;
  }
  @keyframes stamp-land {
    0% { opacity: 0; transform: rotate(-7deg) scale(1.7); }
    55% { opacity: 1; transform: rotate(-7deg) scale(.94); }
    100% { opacity: 1; transform: rotate(-7deg) scale(1); }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ── responsive ───────────────────────────────────────────── */
@media (max-width: 1080px) {
  :root { --margin-col: 108px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .record { max-width: 620px; }
  .split { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 860px) {
  :root { --focus-clearance: 116px; }
  .masthead-in { flex-wrap: wrap; min-height: 0; gap: 0 14px; padding-bottom: 0; }
  .nav {
    order: 3; flex: 1 0 100%; margin-top: 6px; padding: 6px 0 9px;
    border-top: 1px solid var(--rule);
  }
  .nav-scroll {
    gap: 14px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .nav-scroll::-webkit-scrollbar { display: none }
  .nav a { white-space: nowrap; padding-block: 7px }
  .gh-btn { margin-left: auto; }
  .strip-in { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strip-item { border-left: 0; border-top: 1px solid var(--rule); padding-left: 0; }
  .strip-item:nth-child(-n+2) { border-top: 0; }
  .strip-item:nth-child(2n) { padding-left: 18px; border-left: 1px solid var(--rule); }
  .clause { grid-template-columns: minmax(0, 1fr); gap: 6px; padding-block: clamp(42px, 8vw, 64px); }
  .clause-mark { padding-top: 0; display: flex; align-items: baseline; gap: 12px; }
  .clause-mark i { margin-top: 0; max-width: 34ch; }
  .channel { grid-template-columns: minmax(0, 1fr); }
  .row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .row-tag { display: none; }
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .linklist a { grid-template-columns: minmax(0, 1fr) auto; }
  .linklist a .d { grid-column: 1 / -1; order: 3; }
}

@media (max-width: 560px) {
  .masthead-in { min-height: 56px; gap: 12px; }
  h1 { font-size: clamp(2.05rem, 9.6vw, 2.7rem); }
  .strip-in { grid-template-columns: minmax(0, 1fr); }
  .strip-item, .strip-item:nth-child(2n) { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
  .strip-item:first-child { border-top: 0; }
  .stamp { right: 14px; top: auto; bottom: 46px; transform: rotate(-7deg); font-size: 13px; }
  .record-body { font-size: 11.6px; line-height: 1.75; padding-bottom: 50px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .btn-quiet { justify-content: center; padding: 14px 15px; }
  .install { grid-template-columns: minmax(0, 1fr); row-gap: 10px; }
  .install-label { padding-top: 0; }
  .cmd, .install-note { grid-column: 1; }
  .cmd { flex-direction: column; }
  .copy { border-left: 0; border-top: 1px solid var(--ink); padding: 11px 15px; text-align: left; }
  .mock-btns { width: 100%; }
  .mock-btns span { flex: 1; text-align: center; }
}

@media print {
  .masthead, .skip, .copy { display: none; }
  body { background: #fff; }
  .clause { break-inside: avoid; }
}