/* ============================================================
   VERIFIT — verifit.uk
   Step-flow system. The page is a numbered sequence: topbar →
   rail → checkpoints → spine of stages → ledger → closing.
   Palette unchanged; only the structure and the vocabulary are.
   ============================================================ */

:root {
  /* Surfaces */
  --surface: #FFFFFF;
  --surface-sunk: #F6F8FA;
  --surface-night: #0B1220;
  --surface-night-2: #121B2E;

  /* Type colours */
  --type-strong: #0B1220;
  --type-soft: #46505F;
  --type-faint: #656D7C;

  /* Signals */
  --signal: #1D5BFF;
  --signal-deep: #1348D6;
  --signal-soft: #5B8CFF;
  --signal-wash: #EAF0FF;
  --verify: #0FA968;
  --verify-ink: #0A7A4B;   /* same green, darkened for text on light */
  --pending: #C97A0A;
  --pending-ink: #8A5305;  /* same amber, darkened for text on light */

  /* Rules & depth */
  --hairline: #E4E8EE;
  --hairline-night: rgba(255, 255, 255, 0.10);
  --lift-1: 0 1px 2px rgba(11,18,32,0.05), 0 8px 24px -12px rgba(11,18,32,0.12);
  --lift-2: 0 2px 6px rgba(11,18,32,0.07), 0 20px 48px -16px rgba(11,18,32,0.22);
  --corner-s: 6px;
  --corner-m: 10px;
  --corner-l: 16px;

  /* Faces */
  --face-display: "Spline Sans", "Segoe UI", sans-serif;
  --face-text: "Inter", "Segoe UI", sans-serif;
  --face-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* Step scale */
  --step-hero: clamp(2.25rem, 3vw + 1rem, 3.25rem);
  --step-num: clamp(4.5rem, 8vw, 7.5rem);
  --step-h2: clamp(1.75rem, 2.5vw + 0.75rem, 2.75rem);
  --step-h3: clamp(1.25rem, 1vw + 1rem, 1.5rem);
  --step-brief: clamp(1.0625rem, 0.4vw + 1rem, 1.25rem);
  --step-marker: 0.8125rem;
  --step-small: 0.875rem;
  --step-mono-s: 0.6875rem;

  /* Rhythm */
  --step-gap: clamp(3.5rem, 6vw, 5.5rem);
  --phase-gap: clamp(3.25rem, 7vw, 6rem);
  --topbar-h: 72px;
  --rail-h: 44px;
  --spine-x: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  /* The drawer parks itself at translateX(100%); clip so it never creates a
     horizontal scrollbar. `clip` keeps position:sticky working. */
  overflow-x: hidden;
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--face-text);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--type-strong);
  background: var(--surface);
}
body.is-drawer-locked { overflow: hidden; }
h1, h2, h3, h4 { font-family: var(--face-display); margin: 0; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
img, svg { max-width: 100%; vertical-align: middle; }
a { color: var(--signal); text-decoration: none; }
a:hover { color: var(--signal-deep); }
ul, ol { margin: 0; padding: 0; }
::selection { background: var(--signal-wash); color: var(--type-strong); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--type-strong); color: #fff; padding: 10px 18px;
  border-radius: 0 0 var(--corner-s) 0; font-size: var(--step-small); font-weight: 500;
}
.skip:focus { left: 0; color: #fff; }

/* ---------- Tracks (the three container widths) ---------- */
.track {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: var(--spine-x);
}
.track--flow { max-width: 1080px; }
.track--brief { max-width: 760px; }

/* ---------- Type helpers ---------- */
.marker {
  display: block;
  font-family: var(--face-mono);
  font-size: var(--step-marker);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 12px;
}
.on-night .marker { color: var(--signal-soft); }
.rank-1 {
  font-size: var(--step-hero);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
}
.rank-2 {
  font-size: var(--step-h2);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: 24ch;
  margin-bottom: 20px;
}
.rank-3 {
  font-size: var(--step-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.brief {
  font-size: var(--step-brief);
  font-weight: 450;
  line-height: 1.6;
  color: var(--type-soft);
  max-width: 62ch;
}
.on-night .brief { color: rgba(255,255,255,0.72); }
.readout { max-width: 62ch; color: var(--type-soft); }
.readout h2, .readout h3 { color: var(--type-strong); }
.tag {
  font-family: var(--face-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--type-faint);
}

/* ---------- Advance buttons ---------- */
.advance {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding-inline: 24px;
  border-radius: var(--corner-s);
  border: 1px solid transparent;
  font-family: var(--face-text);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 150ms ease-out, border-color 150ms ease-out,
              color 150ms ease-out, transform 150ms ease-out;
}
.advance__arrow { display: inline-block; transition: transform 150ms ease-out; }
.advance:hover .advance__arrow { transform: translateX(3px); }
.advance--slim { height: 40px; padding-inline: 18px; font-size: 0.875rem; }
.advance--lead { background: var(--type-strong); color: #fff; }
.advance--lead:hover { background: var(--signal); color: #fff; transform: translateY(-1px); }
.advance--quiet { background: transparent; border-color: var(--hairline); color: var(--type-strong); }
.advance--quiet:hover { border-color: var(--type-faint); background: var(--surface-sunk); color: var(--type-strong); }
.on-night .advance--lead { background: #fff; color: var(--type-strong); }
.on-night .advance--lead:hover { background: var(--signal-wash); color: var(--type-strong); }
.on-night .advance--quiet { border-color: var(--hairline-night); color: #fff; }
.on-night .advance--quiet:hover { border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.06); color: #fff; }
.advance-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.step-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--face-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Topbar (tier one) ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-h);
  background: rgba(255,255,255,0.86);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  backdrop-filter: blur(12px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease-out;
}
.topbar.is-stuck { border-bottom-color: var(--hairline); }
.topbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--type-strong);
  flex-shrink: 0;
}
.mark:hover { color: var(--type-strong); }
.mark__glyph { width: 24px; height: 24px; color: var(--type-strong); }
.mark__glyph .mark__tick { stroke: var(--signal); }
.mark__word {
  font-family: var(--face-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transform: translateY(0.5px); /* optical baseline alignment with glyph */
}
.topbar__nav ul {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
  list-style: none;
}
.topbar__nav a:not(.advance) {
  position: relative;
  display: inline-block;
  padding-block: 6px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--type-soft);
  transition: color 120ms ease-out;
}
.topbar__nav a:not(.advance)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px; width: 0;
  background: var(--signal);
  transition: width 120ms ease-out;
}
.topbar__nav a:not(.advance):hover { color: var(--type-strong); }
.topbar__nav a:not(.advance):hover::after { width: 100%; }
.topbar__nav a[aria-current="page"] { color: var(--type-strong); }
.topbar__nav a[aria-current="page"]::after { width: 100%; }

.topbar__drawer {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--type-strong);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.topbar__bar {
  display: block;
  width: 20px; height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 180ms ease-out, opacity 180ms ease-out;
}
.topbar__drawer[aria-expanded="true"] .topbar__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.topbar__drawer[aria-expanded="true"] .topbar__bar:nth-child(2) { opacity: 0; }
.topbar__drawer[aria-expanded="true"] .topbar__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  /* backdrop-filter would make .topbar the containing block for the fixed
     drawer, collapsing it to zero height — drop it at drawer sizes. */
  .topbar {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--surface);
  }
  .topbar__drawer { display: flex; }
  .topbar__nav {
    position: fixed;
    inset: var(--topbar-h) 0 0 0;
    background: var(--surface);
    padding: clamp(1.5rem, 6vw, 3rem);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 220ms ease-out, visibility 0s linear 220ms;
    overflow-y: auto;
    z-index: 99;
  }
  .topbar.is-drawer-open .topbar__nav {
    transform: translateX(0);
    visibility: visible;
    transition: transform 220ms ease-out;
  }
  .topbar__nav ul { flex-direction: column; align-items: flex-start; gap: 8px; }
  .topbar__nav li { width: 100%; border-bottom: 1px solid var(--hairline); }
  .topbar__nav li:last-child { border-bottom: none; }
  .topbar__nav a:not(.advance) {
    display: block;
    font-family: var(--face-display);
    font-size: var(--step-h3);
    font-weight: 600;
    padding-block: 18px;
  }
  .topbar__nav a:not(.advance)::after { content: none; }
  .topbar__nav-cta { padding-top: 20px; }
  .topbar__nav-cta .advance { width: 100%; }
}

/* ---------- Rail (tier two: the sequential nav) ---------- */
.flow { position: relative; }
.rail {
  position: sticky;
  top: var(--topbar-h);
  z-index: 80;
  background: rgba(255,255,255,0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.rail__set {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 12px;
  height: var(--rail-h);
  list-style: none;
}
.rail__node { display: flex; }
.rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 100%;
  font-family: var(--face-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--type-soft);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 140ms ease-out, border-color 140ms ease-out;
}
.rail__link:hover { color: var(--type-strong); }
.rail__ord { color: var(--type-faint); }
.rail__link.is-current { color: var(--signal); border-bottom-color: var(--signal); }
.rail__link.is-current .rail__ord { color: var(--signal); }
@media (max-width: 860px) {
  .rail__set {
    justify-content: flex-start;
    gap: 22px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .rail__set::-webkit-scrollbar { display: none; }
  .rail__node { flex: 0 0 auto; scroll-snap-align: start; }
}

/* ---------- Phases ---------- */
.phase { padding-block: var(--phase-gap); }
.phase--tight { padding-top: 0; }
.phase--sunk { background: var(--surface-sunk); }
.phase--night { background: var(--surface-night); color: #fff; -webkit-font-smoothing: antialiased; }
.phase--night h2, .phase--night h3 { color: #fff; }
.phase__head { margin-bottom: clamp(2rem, 4vw, 3rem); }
.phase__head .brief { margin-top: 8px; }

/* ---------- Opening (compact, centred — no split hero) ---------- */
.opening {
  padding-block: clamp(3rem, 6vh, 4.5rem) clamp(2rem, 4vw, 3rem);
  text-align: center;
  background:
    linear-gradient(180deg, #fff 0%, rgba(255,255,255,0.88) 55%, rgba(255,255,255,0.96) 100%),
    url("img/hero-verification-planes.webp") center / cover no-repeat;
}
.opening .brief { max-width: 56ch; margin-inline: auto; margin-top: 20px; }
.opening .advance-row { justify-content: center; }

/* ---------- Checkpoints (the 01..04 progress rail under the opening) ---------- */
.checkpoints {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  position: relative;
  list-style: none;
  margin-top: clamp(2.5rem, 5vw, 3.75rem);
}
.checkpoints::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: var(--hairline);
}
.checkpoint {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.checkpoint__mark {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline);
  background: var(--surface);
  border-radius: 50%;
  font-family: var(--face-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--signal);
}
.checkpoint__label {
  margin-top: 12px;
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--type-faint);
  max-width: 16ch;
}
@media (max-width: 720px) {
  .checkpoints { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .checkpoints::before { content: none; }
}

/* ---------- Spine: the dominant repeating component ---------- */
.spine {
  position: relative;
  list-style: none;
}
.spine::before {
  content: "";
  position: absolute;
  left: var(--spine-x);
  top: 0; bottom: 0;
  width: 1px;
  background: var(--hairline);
}
.stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 180px) minmax(0, 1fr) minmax(0, 300px);
  column-gap: clamp(2rem, 4vw, 4rem);
  padding-block: var(--step-gap);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: calc(var(--topbar-h) + var(--rail-h) + 8px);
}
.stage--pair { grid-template-columns: minmax(0, 180px) minmax(0, 1fr); }
.stage::before {
  content: "";
  position: absolute;
  left: calc(var(--spine-x) - 4px);
  top: calc(var(--step-gap) + 20px);
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--hairline);
  transition: background-color 200ms ease-out, border-color 200ms ease-out;
}
.stage.is-current::before { background: var(--signal); border-color: var(--signal); }
.stage__index {
  display: block;
  padding-left: 30px;
  font-family: var(--face-display);
  font-size: var(--step-num);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--hairline);
  transition: -webkit-text-stroke-color 240ms ease-out;
}
.stage.is-current .stage__index { -webkit-text-stroke-color: var(--signal-soft); }
.stage__body .rank-3 { margin-bottom: 12px; }
.stage__body > p { color: var(--type-soft); max-width: 60ch; }
.stage__spec {
  list-style: none;
  margin-top: 24px;
  border-top: 1px solid var(--hairline);
}
.stage__spec li {
  display: grid;
  grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
  gap: 8px 20px;
  padding-block: 12px;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.9375rem;
  color: var(--type-soft);
}
.stage__spec b {
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--type-faint);
  padding-top: 3px;
}
@media (max-width: 560px) { .stage__spec li { grid-template-columns: minmax(0, 1fr); } }
.stage__body .tag { display: block; }
.stage__body address {
  font-style: normal;
  color: var(--type-soft);
  font-size: 0.9375rem;
  max-width: 60ch;
}
.stage__body .readout { max-width: 66ch; }
.stage__aside { align-self: start; }
.stage__aside figure { margin: 0; }
.stage__shot {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: 22% center;
  border-radius: var(--corner-m);
  border: 1px solid var(--hairline);
}
.stage__caption {
  margin-top: 10px;
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--type-faint);
}

@media (max-width: 980px) {
  .stage, .stage--pair { grid-template-columns: minmax(0, 140px) minmax(0, 1fr); }
  .stage__aside { grid-column: 2; margin-top: 32px; max-width: 420px; }
  .stage__index { font-size: clamp(3.5rem, 10vw, 5rem); }
}
@media (max-width: 620px) {
  .spine::before { content: none; }
  .stage, .stage--pair { grid-template-columns: minmax(0, 1fr); }
  .stage::before { content: none; }
  .stage__index {
    font-size: 3rem;
    padding-left: 0;
    margin-bottom: 8px;
    -webkit-text-stroke-width: 1px;
  }
  .stage__aside { grid-column: 1; }
}

/* ---------- Proof panel (small supporting figure) ---------- */
.proof {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--corner-l);
  box-shadow: var(--lift-1);
  padding: 20px;
}
.proof--wide { max-width: 380px; padding: 26px; box-shadow: var(--lift-2); }
.proof__head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.proof__glyph {
  width: 42px; height: 42px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--signal-wash);
  border-radius: var(--corner-s);
  color: var(--signal);
}
.proof__glyph svg { width: 22px; height: 22px; }
.proof__title { font-family: var(--face-display); font-weight: 600; font-size: 0.9375rem; letter-spacing: -0.01em; }
.proof__ref { font-family: var(--face-mono); font-size: var(--step-mono-s); letter-spacing: 0.1em; text-transform: uppercase; color: var(--type-faint); margin-top: 2px; }
.proof__rows { list-style: none; display: grid; }
.proof__rows li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 11px;
  border-top: 1px solid var(--hairline);
}
.proof__key { font-family: var(--face-mono); font-size: var(--step-mono-s); font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--type-faint); }
.proof__val { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8125rem; font-weight: 500; color: var(--type-strong); text-align: right; }
.pip { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.pip--pass { background: var(--verify); }
.pip--wait { background: var(--pending); }
.pip--set { background: var(--signal); }
.proof__val.is-pass { color: var(--verify-ink); }
.proof__val.is-wait { color: var(--pending-ink); }

/* ---------- Tape (code / API panel) ---------- */
.tape {
  background: var(--surface-night-2);
  border: 1px solid var(--hairline-night);
  border-radius: var(--corner-m);
  overflow: hidden;
  box-shadow: var(--lift-1);
}
.tape__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--hairline-night);
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.tape pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--face-mono);
  font-size: 0.6875rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.85);
}
.tape__key { color: var(--signal-soft); }
.tape__str { color: #7BD8AC; }
.tape__dim { color: rgba(255,255,255,0.58); }

/* ---------- Spec list (tick list) ---------- */
.spec { list-style: none; display: grid; gap: 14px; margin-top: 24px; }
.spec li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.9375rem; color: var(--type-soft); }
.on-night .spec li { color: rgba(255,255,255,0.72); }
.spec__tick { flex-shrink: 0; width: 18px; height: 18px; color: var(--verify-ink); margin-top: 3px; }
.spec strong { color: var(--type-strong); font-weight: 600; }
.on-night .spec strong { color: #fff; }

/* ---------- Interlude (full-bleed imagery band) ---------- */
.interlude {
  display: block;
  width: 100%;
  margin: 0;
  background: var(--surface-sunk);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.interlude img {
  display: block;
  width: 100%;
  height: clamp(220px, 26vw, 340px);
  object-fit: cover;
  object-position: center;
}
.interlude__cap {
  display: block;
  padding-block: 14px;
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--type-faint);
}

/* ---------- Ledger (timestamped mono rows) ---------- */
.ledger { list-style: none; }
.ledger__row {
  display: grid;
  grid-template-columns: 190px 110px minmax(0, 1fr);
  gap: 16px;
  padding-block: 11px;
  border-top: 1px solid var(--hairline-night);
  font-family: var(--face-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
}
.ledger__row:last-child { border-bottom: 1px solid var(--hairline-night); }
.ledger__stamp { color: var(--signal-soft); }
.on-night .ledger__actor { color: rgba(255,255,255,0.62); }
.ledger__actor {
  color: var(--type-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--step-mono-s);
  align-self: center;
}
.ledger__event { color: rgba(255,255,255,0.78); word-break: break-word; }
.ledger__event.is-pass { color: var(--verify); }
@media (max-width: 700px) {
  .ledger__row { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; }
  .ledger__event { grid-column: 1 / -1; }
  .ledger__actor { align-self: baseline; text-align: right; }
}
/* Light, compact variant used inside a stage aside */
.ledger--mini {
  border: 1px solid var(--hairline);
  border-radius: var(--corner-m);
  padding: 16px 18px;
  background: var(--surface-sunk);
}
.ledger--mini .ledger__row {
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  border-top-color: var(--hairline);
  padding-block: 10px;
  font-size: 0.75rem;
}
.ledger--mini .ledger__row:first-child { border-top: none; padding-top: 0; }
.ledger--mini .ledger__row:last-child { border-bottom: none; padding-bottom: 0; }
.ledger--mini .ledger__stamp { color: var(--type-faint); }
.ledger--mini .ledger__actor { letter-spacing: 0.08em; }
.ledger--mini .ledger__event { color: var(--type-strong); font-size: 0.75rem; }
.ledger--mini .ledger__event.is-pass { color: var(--verify-ink); }

/* ---------- Fit rows (hairline-separated, not cards) ---------- */
.fits { list-style: none; border-bottom: 1px solid var(--hairline); }
.fit {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 8px 32px;
  border-top: 1px solid var(--hairline);
  padding-block: 24px;
}
.fit__tag {
  font-family: var(--face-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
  padding-top: 4px;
}
.fit__body .rank-3 { margin-bottom: 8px; }
.fit__body p { color: var(--type-soft); font-size: 0.9375rem; max-width: 62ch; }
@media (max-width: 700px) { .fit { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Schedule table ---------- */
.schedule__scroll { overflow-x: auto; }
.schedule {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  font-variant-numeric: tabular-nums;
}
.schedule th {
  text-align: left;
  font-family: var(--face-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--type-faint);
  padding: 14px 16px 14px 0;
  border-bottom: 1px solid var(--hairline);
}
.schedule td {
  padding: 16px 16px 16px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--type-soft);
  vertical-align: top;
}
.schedule td:first-child { color: var(--type-strong); font-weight: 500; min-width: 180px; }
.schedule__yes { color: var(--verify-ink); }
.schedule__yes svg { width: 18px; height: 18px; }
.schedule__soon { font-family: var(--face-mono); font-size: var(--step-mono-s); letter-spacing: 0.08em; text-transform: uppercase; color: var(--type-faint); white-space: nowrap; }

/* ---------- Queries (FAQ) ---------- */
.queries details { border-bottom: 1px solid var(--hairline); }
.queries details:first-of-type { border-top: 1px solid var(--hairline); }
.queries summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 22px;
  font-family: var(--face-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  list-style: none;
}
.queries summary::-webkit-details-marker { display: none; }
.queries__sign {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--type-faint);
  transition: transform 200ms ease-out, color 200ms ease-out;
}
.queries details[open] .queries__sign { transform: rotate(45deg); color: var(--signal); }
.queries__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 200ms ease-out;
}
.queries details[open] .queries__a { grid-template-rows: 1fr; }
.queries__a > div { overflow: hidden; }
.queries__a p { color: var(--type-soft); max-width: 62ch; padding-bottom: 22px; font-size: 0.9375rem; }
@media (prefers-reduced-motion: reduce) { .queries__a { transition: none; } }

/* ---------- Caveat strip ---------- */
.caveat {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--signal);
  border-radius: var(--corner-s);
  background: var(--surface-sunk);
  padding: 18px 20px;
  font-size: 0.875rem;
  color: var(--type-soft);
  max-width: 68ch;
}
.caveat svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--signal); margin-top: 2px; }

/* ---------- Closing band ---------- */
.closing { text-align: center; }
.closing .rank-2 { margin-inline: auto; }
.closing .brief { margin-inline: auto; margin-bottom: 8px; }
.closing .advance-row { justify-content: center; }
.closing__note { margin-top: 20px; font-family: var(--face-mono); font-size: 0.75rem; letter-spacing: 0.06em; color: rgba(255,255,255,0.5); }

/* ---------- Preamble (inner page opener) ---------- */
.preamble {
  padding-block: clamp(2.75rem, 6vh, 4.25rem) clamp(1.75rem, 3.5vw, 2.75rem);
}
.preamble .rank-2 { max-width: 24ch; }
.preamble .brief { margin-top: 8px; }

/* ---------- Terminus (footer) ---------- */
.terminus {
  background: var(--surface-night);
  color: rgba(255,255,255,0.65);
  padding-top: 72px;
  padding-bottom: 40px;
  font-size: 0.8125rem;
  -webkit-font-smoothing: antialiased;
}
.terminus__top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 48px;
}
.terminus__brand { max-width: 340px; }
.terminus__brand .mark { color: #fff; margin-bottom: 16px; }
.terminus__brand .mark__glyph { color: #fff; }
.terminus__brand .mark__glyph .mark__tick { stroke: var(--signal-soft); }
.terminus__brand p { color: rgba(255,255,255,0.65); font-size: 0.875rem; }
.terminus__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, auto));
  gap: clamp(24px, 4vw, 56px);
}
@media (max-width: 760px) { .terminus__cols { grid-template-columns: repeat(2, 1fr); width: 100%; } }
.terminus__cols h3 {
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 16px;
}
.terminus__cols ul { list-style: none; display: grid; gap: 10px; }
.terminus__cols a { color: rgba(255,255,255,0.68); transition: color 120ms ease-out; }
.terminus__cols a:hover { color: #fff; }
.terminus__legal {
  border-top: 1px solid var(--hairline-night);
  padding-top: 28px;
  display: grid;
  gap: 6px;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}
.terminus__legal a { color: rgba(255,255,255,0.68); }
.terminus__legal a:hover { color: #fff; }

/* ---------- Clause pages (legal) ---------- */
.clause {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 860px) { .clause { grid-template-columns: minmax(0, 1fr); } }
.clause__index {
  position: sticky;
  top: calc(var(--topbar-h) + 24px);
  font-size: 0.8125rem;
}
@media (max-width: 860px) {
  .clause__index { position: static; border: 1px solid var(--hairline); border-radius: var(--corner-m); padding: 20px; }
}
.clause__index h2 {
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--type-faint);
  margin-bottom: 14px;
}
.clause__index ol { list-style: none; display: grid; gap: 8px; }
.clause__index a { color: var(--type-soft); }
.clause__index a:hover { color: var(--signal); }
.clause__body { max-width: 68ch; color: var(--type-soft); font-size: 0.9375rem; }
.clause__date {
  font-family: var(--face-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--type-faint);
  margin-bottom: 32px;
}
.clause__body h2 {
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--type-strong);
  margin: 44px 0 14px;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}
.clause__body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--type-strong);
  margin: 28px 0 10px;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}
.clause__body ul, .clause__body ol { padding-left: 1.25rem; margin-bottom: 1em; display: grid; gap: 6px; }
.clause__body table { width: 100%; border-collapse: collapse; font-size: 0.875rem; margin: 16px 0 24px; font-variant-numeric: tabular-nums; }
.clause__body th {
  text-align: left;
  font-family: var(--face-mono);
  font-size: var(--step-mono-s);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--type-faint);
  padding: 10px 14px 10px 0;
  border-bottom: 1px solid var(--hairline);
  vertical-align: bottom;
}
.clause__body td { padding: 12px 14px 12px 0; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.clause__body .schedule__scroll { margin: 16px 0 24px; }
.clause__body .schedule__scroll table { margin: 0; }
/* Long legal documents: keep prose to a comfortable measure but let wide
   reference tables use the full column width before they start scrolling. */
.clause__body { max-width: 100%; }
.clause__body > p,
.clause__body > ul,
.clause__body > ol,
.clause__body > h2,
.clause__body > h3,
.clause__body > .clause__note { max-width: 68ch; }
.clause__body .schedule__scroll--wide table { min-width: 660px; }
.clause__body .schedule__scroll--xwide table { min-width: 840px; }
.clause__body .schedule__scroll th,
.clause__body .schedule__scroll td { padding-right: 18px; }
.clause__index ol ol { margin-top: 8px; padding-left: 14px; }
.clause__index ol ol a { color: var(--type-faint); }
.clause__index ol ol a:hover { color: var(--signal); }
@media (min-width: 861px) {
  .clause__index--long {
    max-height: calc(100vh - var(--topbar-h) - 48px);
    overflow-y: auto;
    scrollbar-width: thin;
    padding-right: 8px;
  }
}
.clause__note {
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--signal);
  border-radius: var(--corner-m);
  padding: 16px 18px;
  margin: 20px 0 24px;
  background: var(--surface-sunk);
}
.clause__note p:last-child { margin-bottom: 0; }
.clause__body .clause__note ul:last-child,
.clause__body .clause__note ol:last-child { margin-bottom: 0; }

/* ---------- Step-in animation ---------- */
@media (prefers-reduced-motion: no-preference) {
  .steps-in {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 400ms ease-out, transform 400ms ease-out;
  }
  .steps-in.is-shown { opacity: 1; transform: translateY(0); }
}

/* ---------- Utilities ---------- */
.off-screen {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.push-8 { margin-top: 8px; }
.push-24 { margin-top: 24px; }
.push-32 { margin-top: 32px; }
.push-48 { margin-top: 48px; }