/* XFLY — one stylesheet.
   Paper, ink and one ballpoint blue. A journal of record, not a terminal:
   cream ground, ruled lines, serif display, mono numerals. Red only for swats. */

:root {
  --paper: #f3f0e8;
  --paper-2: #ebe7dc;
  --card: #fbf9f4;
  --ink: #14161a;
  --ink-2: #3e434a;
  --ink-3: #6b717a;
  --ink-4: #9aa0a8;
  --rule: #d6d1c5;
  --rule-2: #b9b3a4;
  --blue: #1f3ee0;
  --blue-deep: #14289a;
  --blue-tint: rgba(31, 62, 224, .08);
  --red: #cf3526;
  --red-tint: rgba(207, 53, 38, .08);

  /* names the page templates still use inline */
  --acid: var(--blue);
  --sheen: var(--blue);
  --sheen-3: var(--blue-deep);
  --line-2: var(--rule-2);

  --shell: 1200px;
  --pad: 36px;

  --f-display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --f-ui: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-ui);
  font-size: 15.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
::selection { background: var(--blue); color: #fff; }

h1, h2, h3, h4 {
  margin: 0; font-family: var(--f-display); font-weight: 700;
  letter-spacing: -.025em; line-height: 1.02;
}
h1 em, h2 em { font-style: normal; color: var(--blue); }
.h1 { font-size: clamp(42px, 5.8vw, 80px); font-weight: 800; letter-spacing: -.035em; line-height: .96; }
.h2 { font-size: clamp(28px, 3.3vw, 42px); }
.h3 { font-size: clamp(20px, 2vw, 25px); }
.h4 { font-size: 17px; }
.lead { font-size: 17.5px; line-height: 1.55; color: var(--ink-2); }
.small { font-size: 14.5px; color: var(--ink-2); }
.mono { font-family: var(--f-mono); }
.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.micro {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3);
}
.eyebrow {
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--blue); margin: 0 0 14px;
}
.acid, .sheen { color: var(--blue); }
.pos { color: var(--blue); }
.neg { color: var(--red); }
.muted { color: var(--ink-3); }
.center { text-align: center; }
.hair { height: 1px; background: var(--rule); }

.wrap { max-width: var(--shell); margin: 0 auto; padding: 0 var(--pad); }
.wrap-narrow { max-width: 860px; margin: 0 auto; padding: 0 var(--pad); }

/* ── masthead ───────────────────────────────────────────────────────────── */
.masthead {
  position: sticky; top: 0; z-index: 50; background: rgba(243, 240, 232, .94);
  border-bottom: 3px double var(--rule-2);
}
.mast-row { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { font-family: var(--f-display); font-size: 24px; font-weight: 800; letter-spacing: -.03em; }
.brand i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); margin-left: 6px; vertical-align: 6px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-2); padding: 4px 0; border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--rule-2); }
.nav a.on { color: var(--blue); border-bottom-color: var(--blue); }
.mast-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.mast-right .tag { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .08em; color: var(--ink-3); white-space: nowrap; }
.mast-right .tag b { color: var(--blue); font-weight: 600; }
.burger { display: none; background: none; border: 1px solid var(--rule-2); border-radius: 3px; padding: 5px 9px; color: var(--ink); cursor: pointer; font-size: 16px; }
.nav-cta { display: none; }

/* ── hero: type on paper, a ledger beside it ────────────────────────────── */
.hero {
  position: relative; padding: 84px 0 72px;
  background-image: radial-gradient(rgba(185, 179, 164, .55) .8px, transparent 1px);
  background-size: 22px 22px;
}
.hero::after { content: ""; position: absolute; inset: auto 0 0 0; height: 1px; background: var(--rule-2); }
.hero-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 56px; align-items: start; }
.hero h1 { max-width: 12ch; }
.hero .lead { max-width: 54ch; margin-top: 26px; }
.hero .btn-row { margin-top: 30px; }
.hero-ledger { border: 1px solid var(--rule-2); background: var(--card); padding: 18px 20px 6px; margin-top: 10px; }
.hero-ledger .ttl { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.hero-ledger .row {
  display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: baseline;
  padding: 9px 0; border-bottom: 1px dashed var(--rule); font-family: var(--f-mono); font-size: 12.5px;
}
.hero-ledger .row .t { color: var(--ink); font-weight: 500; }
.hero-ledger .row .w { color: var(--ink-4); font-size: 11px; }
.hero-ledger .foot { padding: 12px 0 10px; display: flex; justify-content: space-between; }
.hero-stats { display: grid; grid-template-columns: repeat(4, auto); gap: 34px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--rule-2); }
.hero-stats .v { font-family: var(--f-display); font-size: 36px; font-weight: 700; line-height: 1; letter-spacing: -.03em; }
.hero-stats .k { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-top: 8px; }

/* ── sections ───────────────────────────────────────────────────────────── */
.band { padding: 76px 0; content-visibility: auto; contain-intrinsic-size: auto 760px; }
.band-tight { padding: 44px 0; }
.band-flat { padding: 56px 0 72px; }
.band-alt { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.sec-head { margin-bottom: 28px; }
.sec-head .n { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; color: var(--blue); }
.sec-head h2 { margin: 8px 0 0; }
.sec-head .rule { margin-top: 16px; height: 0; border-top: 3px double var(--rule-2); }
.sec-head p { margin-top: 16px; max-width: 78ch; }
.note { font-family: var(--f-mono); font-size: 12px; line-height: 1.7; color: var(--ink-3); }
.note b { color: var(--ink-2); font-weight: 600; }

/* ── buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--f-ui); font-size: 14px; font-weight: 600;
  padding: 11px 18px; border-radius: 2px; border: 1px solid var(--ink); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-dark { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-dark:hover { background: var(--blue-deep); border-color: var(--blue-deep); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-2); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-sm { padding: 8px 13px; font-size: 13px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.link-arrow {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue); display: inline-flex; align-items: center; gap: 6px; border-bottom: 1px solid transparent;
}
.link-arrow:hover { border-bottom-color: var(--blue); }
button.link-arrow { background: none; border: 0; padding: 0; cursor: pointer; }
.copy-ca {
  border: 1px solid var(--rule-2); background: transparent; color: var(--ink-2);
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; padding: 2px 7px; cursor: pointer; border-radius: 2px;
}
.copy-ca:hover { border-color: var(--blue); color: var(--blue); }

/* ── chips ──────────────────────────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid var(--rule-2); border-radius: 2px; padding: 3px 8px; color: var(--ink-2); background: var(--card);
}
.chip.accent { border-color: var(--blue); color: var(--blue); }
.chip.warn { border-color: var(--red); color: var(--red); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); display: inline-block; }
.dot.live { animation: pulse 2.6s ease-in-out infinite; }
.dot.red { background: var(--red); }
.dot.iris { background: var(--ink-4); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* ── panels & grids ─────────────────────────────────────────────────────── */
.panel { background: var(--card); border: 1px solid var(--rule-2); border-radius: 2px; }
.panel-2 { background: var(--paper-2); }
.pad { padding: 20px; }
.pad-lg { padding: 26px; }
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g5 { grid-template-columns: repeat(5, 1fr); }

/* ── the specimen card ──────────────────────────────────────────────────── */
.fly-card {
  position: relative; background: var(--card); border: 1px solid var(--rule-2); border-radius: 2px;
  padding: 22px 24px 22px 28px; overflow: hidden;
}
.fly-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--blue); }
.fly-card .mark-bg { display: none; }
.fly-card .top { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.fly-card .top .glyph { display: none; }
.fly-card .top h3 { font-family: var(--f-mono); font-size: 13px; letter-spacing: .12em; color: var(--blue); font-weight: 600; }
.fly-card .top .name { font-family: var(--f-display); font-size: 26px; font-weight: 700; letter-spacing: -.025em; }
.fly-card .top .chain { font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.fly-card .top .risk { margin-left: auto; }
.fly-card .profile { margin-top: 8px; font-size: 15px; color: var(--ink-2); max-width: 80ch; }
.fly-card .cap { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .04em; color: var(--ink-4); text-transform: uppercase; margin-top: 6px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--rule); }
.metrics .k { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.metrics .v { font-family: var(--f-mono); font-size: 16px; margin-top: 6px; font-variant-numeric: tabular-nums; color: var(--ink); }
.metrics .s { font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); margin-top: 3px; }
.fly-card .actions { margin-top: 18px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.riskbar { display: inline-flex; align-items: center; gap: 4px; font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); }
.riskbar i { width: 10px; height: 10px; display: block; border: 1px solid var(--rule-2); background: var(--card); }
.riskbar i.on { background: var(--blue); border-color: var(--blue); }
.riskbar span { margin-left: 6px; }

/* ── tables ─────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule-2); border-radius: 2px; background: var(--card); }
table.data { width: 100%; border-collapse: collapse; font-family: var(--f-mono); font-size: 13px; }
table.data th {
  text-align: left; font-weight: 500; font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-3); padding: 12px 14px; border-bottom: 2px solid var(--ink); white-space: nowrap; background: var(--card);
}
table.data td { padding: 11px 14px; border-bottom: 1px solid var(--rule); white-space: nowrap; color: var(--ink-2); font-variant-numeric: tabular-nums; }
table.data tbody tr:hover td { background: var(--blue-tint); }
table.data td.tok { color: var(--ink); font-family: var(--f-ui); font-weight: 600; font-size: 14px; }
table.data td.ca { color: var(--ink-4); font-size: 11.5px; }
.outcome {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--rule-2); border-radius: 2px;
  padding: 2px 8px; font-size: 10px; letter-spacing: .1em; color: var(--ink-2); background: var(--card);
}
.outcome.landed { border-color: var(--blue); color: var(--blue); }
.outcome.swatted { border-color: var(--red); color: var(--red); }
.outcome.timeout { color: var(--ink-3); }
.outcome.inflight { color: var(--ink-2); border-style: dashed; }

/* ── stats ──────────────────────────────────────────────────────────────── */
.stat { border: 1px solid var(--rule-2); border-radius: 2px; padding: 18px 20px; background: var(--card); }
.stat .k { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.stat .v { font-family: var(--f-display); font-size: 40px; font-weight: 700; line-height: 1; margin-top: 10px; letter-spacing: -.03em; color: var(--ink); }
.stat .s { font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); margin-top: 8px; }

/* ── score bands ────────────────────────────────────────────────────────── */
.bands { display: flex; align-items: flex-end; gap: 14px; height: 190px; }
.bands .b { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.bands .bar { width: 100%; background: var(--blue); }
.bands .bar.lo { background: var(--rule-2); }
.bands .pctv { font-family: var(--f-mono); font-size: 12px; color: var(--ink); margin-bottom: 6px; }
.bands .lbl { font-family: var(--f-mono); font-size: 10.5px; color: var(--ink-3); margin-top: 8px; text-align: center; }
.bands .lbl small { display: block; color: var(--ink-4); font-size: 9.5px; }

/* ── films ──────────────────────────────────────────────────────────────── */
.film { border: 1px solid var(--rule-2); border-radius: 2px; overflow: hidden; background: var(--card); }
.film video { width: 100%; display: block; }

/* ── pipeline rows ──────────────────────────────────────────────────────── */
.stack { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--rule-2); }
.stack .lay { display: flex; align-items: center; gap: 16px; padding: 13px 4px; border-bottom: 1px solid var(--rule); }
.stack .lay .n { font-family: var(--f-mono); font-size: 11px; color: var(--blue); width: 26px; }
.stack .lay h4 { font-size: 17px; }
.stack .lay p { font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-3); margin: 3px 0 0; }

/* ── modes ──────────────────────────────────────────────────────────────── */
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.modes .m { border: 1px solid var(--rule-2); border-radius: 2px; padding: 22px; background: var(--card); }
.modes .m.hot { border-color: var(--blue); box-shadow: inset 0 3px 0 var(--blue); }
.modes .m .k { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.modes .m h3 { font-size: 22px; margin: 12px 0 10px; }
.modes .m p { font-size: 14.5px; color: var(--ink-2); }

/* ── steps ──────────────────────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { border-top: 2px solid var(--ink); padding-top: 14px; }
.step .n { font-family: var(--f-mono); font-size: 11px; color: var(--blue); }
.step h4 { margin: 10px 0 8px; font-size: 22px; }
.step p { font-size: 14.5px; color: var(--ink-2); }

/* ── accordion ──────────────────────────────────────────────────────────── */
details.acc { border-top: 1px solid var(--rule-2); padding: 15px 0; }
details.acc summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
  font-family: var(--f-display); font-size: 18px; font-weight: 600; letter-spacing: -.01em; color: var(--ink);
}
details.acc summary::-webkit-details-marker { display: none; }
details.acc summary::after { content: "+"; color: var(--blue); font-family: var(--f-mono); }
details.acc[open] summary::after { content: "–"; }
details.acc .body { padding-top: 12px; color: var(--ink-2); font-size: 15px; max-width: 84ch; }

/* ── filters ────────────────────────────────────────────────────────────── */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filters .grp { display: flex; gap: 4px; padding: 3px; border: 1px solid var(--rule-2); border-radius: 2px; background: var(--card); }
.filters button {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  background: transparent; border: 0; color: var(--ink-3); padding: 6px 11px; cursor: pointer; border-radius: 2px;
}
.filters button:hover { color: var(--ink); }
.filters button.on { background: var(--ink); color: var(--paper); }

/* ── docs ───────────────────────────────────────────────────────────────── */
.doc { display: grid; grid-template-columns: 230px 1fr; gap: 52px; align-items: start; }
.doc-body { min-width: 0; }
.toc { position: sticky; top: 84px; border-left: 2px solid var(--ink); padding: 4px 0 4px 16px; }
.toc a { display: flex; gap: 10px; padding: 5px 0; font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-3); }
.toc a:hover, .toc a.on { color: var(--blue); }
.toc a i { color: var(--ink-4); font-style: normal; width: 16px; }
.doc-body h2 { margin: 0 0 16px; font-size: 32px; }
.doc-body h3 { font-size: 21px; margin: 28px 0 10px; }
.doc-body p, .doc-body li { color: var(--ink-2); font-size: 15px; }
.doc-body ul { padding-left: 18px; margin: 0 0 14px; }
.doc-body li { margin-bottom: 7px; }
.doc-sec { border-top: 1px solid var(--rule-2); padding: 40px 0; scroll-margin-top: 84px; }
.doc-sec:first-child { border-top: 0; padding-top: 0; }
.sec-n { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; color: var(--blue); margin-bottom: 8px; }
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 8px 20px; font-size: 15px; }
.kv dt { font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); padding-top: 3px; }
.kv dd { margin: 0; color: var(--ink-2); }
.callout { border: 1px solid var(--rule-2); border-left: 3px solid var(--blue); border-radius: 2px; padding: 14px 18px; background: var(--card); margin: 16px 0; }
.callout.warn { border-left-color: var(--red); }
.figcap { font-family: var(--f-mono); font-size: 11px; color: var(--ink-4); margin-top: 8px; }

/* ── specimen label ─────────────────────────────────────────────────────── */
.specimen {
  border: 1px solid var(--rule-2); border-radius: 2px; padding: 14px 16px; background: var(--card);
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 18px;
}
.specimen b { color: var(--ink); font-weight: 500; }

/* ── token readout ──────────────────────────────────────────────────────── */
.readout { border: 1px solid var(--rule-2); border-radius: 2px; background: var(--card); overflow: hidden; }
.readout .top { display: flex; align-items: center; gap: 14px; padding: 18px 22px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.readout .top h3 { font-size: 30px; }
.readout .ca-row { display: flex; align-items: center; gap: 12px; padding: 14px 22px; border-bottom: 1px solid var(--rule); font-family: var(--f-mono); font-size: 12.5px; color: var(--ink-2); flex-wrap: wrap; }
.readout .cells { display: grid; grid-template-columns: repeat(4, 1fr); }
.readout .cell { padding: 16px 22px; border-right: 1px solid var(--rule); }
.readout .cell:last-child { border-right: 0; }
.readout .cell .k { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.readout .cell .v { font-family: var(--f-display); font-size: 23px; font-weight: 700; letter-spacing: -.02em; margin-top: 8px; }
.checklist .it { display: flex; gap: 12px; padding: 13px 0; border-top: 1px solid var(--rule); align-items: flex-start; }
.checklist .it .mark { width: 16px; color: var(--blue); font-family: var(--f-mono); font-size: 12px; }
.checklist .it.todo .mark { color: var(--ink-4); }
.checklist .it .t { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.checklist .it .d { font-size: 14px; color: var(--ink-3); margin-top: 3px; }

/* ── feed + landings ────────────────────────────────────────────────────── */
.feed { display: flex; align-items: center; gap: 10px; overflow: hidden; border: 1px solid var(--rule-2); border-radius: 2px; background: var(--card); padding: 10px 14px; }
.feed .lbl { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
.feed .items { display: flex; gap: 8px; overflow: hidden; }
.feed .it { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--rule); border-radius: 2px; padding: 5px 10px; font-family: var(--f-mono); font-size: 11.5px; color: var(--ink-2); white-space: nowrap; }
.feed .it b { color: var(--ink); font-weight: 600; }
.landings { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.landing { border: 1px solid var(--rule-2); border-radius: 2px; padding: 12px 14px; background: var(--card); }
.landing .t { font-family: var(--f-ui); font-weight: 600; font-size: 15px; }
.landing .s { font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); margin-top: 4px; }
.landing .o { margin-top: 9px; }

/* ── footer ─────────────────────────────────────────────────────────────── */
.site-foot { border-top: 3px double var(--rule-2); padding: 48px 0 60px; }
.foot-cols { display: grid; grid-template-columns: 1.3fr repeat(4, 1fr); gap: 28px; }
.foot-cols h5 { font-family: var(--f-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin: 0 0 12px; font-weight: 500; }
.foot-cols a { display: block; font-size: 14px; color: var(--ink-2); padding: 4px 0; }
.foot-cols a:hover { color: var(--blue); }
.foot-bottom { display: flex; align-items: center; gap: 18px; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.foot-bottom .mono { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-4); }
.foot-social { margin-left: auto; display: flex; gap: 8px; }
.foot-social a { width: 32px; height: 32px; border: 1px solid var(--rule-2); border-radius: 2px; display: grid; place-items: center; color: var(--ink-2); }
.foot-social a:hover { border-color: var(--blue); color: var(--blue); }
.disclaimer { margin-top: 20px; font-size: 12.5px; color: var(--ink-4); line-height: 1.65; max-width: 96ch; }

/* ── sticky release bar ─────────────────────────────────────────────────── */
.sticky-cta { position: sticky; bottom: 0; z-index: 20; background: rgba(243, 240, 232, .96); border-top: 1px solid var(--rule-2); }
.sticky-cta .wrap { display: flex; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; }

/* ── toast ──────────────────────────────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(12px);
  background: var(--ink); color: var(--paper); border-radius: 2px; padding: 10px 16px;
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; z-index: 90;
}
.toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1160px) {
  .g5 { grid-template-columns: repeat(2, 1fr); }
  .landings { grid-template-columns: repeat(3, 1fr); }
  .foot-cols { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-stats { grid-template-columns: repeat(2, auto); }
}
@media (max-width: 980px) {
  :root { --pad: 22px; }
  .nav { display: none; }
  .nav.open {
    display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--paper); border-bottom: 1px solid var(--rule-2); padding: 6px 22px 14px;
  }
  .nav.open a { padding: 11px 0; border-bottom: 1px solid var(--rule); }
  .nav.open .nav-cta { display: block; padding-top: 12px; }
  .mast-right .tag, .mast-right .btn { display: none; }
  .burger { display: inline-flex; }
  .doc { grid-template-columns: 1fr; gap: 20px; }
  .toc { position: static; }
  .modes, .steps, .g3, .g4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .g2, .g3, .g4, .g5, .modes, .steps { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .readout .cells { grid-template-columns: repeat(2, 1fr); }
  .readout .cell:nth-child(2) { border-right: 0; }
  .landings { grid-template-columns: 1fr 1fr; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
  .specimen { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: 1fr; }
  .hero { padding: 54px 0 48px; }
  .hero-stats { gap: 22px; }
  .hero-stats .v { font-size: 32px; }
  .band { padding: 52px 0; }
  .fly-card { padding: 18px 18px 18px 22px; }
}

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