/* WREN ADVISORY main stylesheet. Layout, components, motion. Tokens live in tokens.css. */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--font-serif);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* the ruled ground: every page sits on legal-pad baselines */
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(var(--rule-pitch) - 1px),
    var(--rule-color) calc(var(--rule-pitch) - 1px),
    var(--rule-color) var(--rule-pitch)
  );
}

/* the legal-pad margin rule, pinned to the viewport on wide screens */
body::before {
  content: "";
  position: fixed;
  inset: 0 auto 0 clamp(2.5rem, 6vw, 5.5rem);
  width: 1px;
  background: var(--rule-margin);
  pointer-events: none;
  z-index: 1;
}
@media (max-width: 899px) {
  body::before { display: none; }
}

h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
[hidden] { display: none !important; }
ul[class], ol[class] { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }

::selection { background: var(--marker-bright); color: var(--navy); }

/* the ring is a pen line with highlighter bleed behind it: Wren's own geometry */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 1px;
  box-shadow: 0 0 0 5px var(--highlight);
}

/* visually hidden, still read aloud */
.vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* anchors tuned per target: sections get a line of air, legacy ids get more */
section[id] { scroll-margin-top: var(--s-6); }
#hero-01 { scroll-margin-top: 0; }
#mirror-05, #track-04 { scroll-margin-top: var(--s-4); }
.legacy-anchor { display: block; height: 0; scroll-margin-top: var(--s-8); }

.skip-link {
  position: fixed;
  top: var(--s-3);
  left: var(--s-3);
  z-index: var(--z-skip);
  padding: var(--s-3) var(--s-5);
  background: var(--navy);
  color: var(--ivory);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  text-decoration: none;
  transform: translateY(calc(-100% - 1.5rem));
}
.skip-link:focus-visible { transform: none; }

/* ---------- text roles ---------- */
.display,
.h1, .h2, .h3 {
  font-weight: 500;
  line-height: var(--lh-heading);
  letter-spacing: -0.01em;
  text-wrap: balance;
  font-variation-settings: "opsz" 72;
}
.display { font-size: var(--t-display); line-height: var(--lh-display); }
.h1 { font-size: var(--t-h1); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); }

.lead {
  font-size: var(--t-lead);
  line-height: 1.5;
  max-width: var(--measure);
}

.body-copy {
  max-width: var(--measure);
  color: var(--fg);
}
.body-copy + .body-copy { margin-top: var(--s-4); }

.small { font-size: var(--t-small); }
.muted { color: var(--muted); }
em, .ital { font-style: italic; }

.mono {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
}
.mono--muted { color: var(--muted); }

/* kicker: the mono eyebrow role */
.kicker {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: var(--s-5);
}
.kicker::before { content: "~ "; color: var(--accent); }

/* margin note: the signature annotation voice. Lowercase mono, tilde-led. */
.note {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--muted);
  line-height: 1.6;
}
.note::before { content: "~ "; color: var(--accent); }

/* MarkerHighlight: animated background-size sweep on a key phrase */
.mark-sweep {
  background-image: linear-gradient(var(--highlight), var(--highlight));
  background-repeat: no-repeat;
  background-size: 0% 58%;
  background-position: 0 62%;
  transition: background-size var(--dur-4) var(--ease-out) 250ms;
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.is-inview .mark-sweep,
.mark-sweep.is-inview,
html:not(.js) .mark-sweep { background-size: 100% 58%; }

/* sample chip: honesty label */
.chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  padding: 0.1rem 0.45rem;
  vertical-align: middle;
  white-space: nowrap;
}

/* bracket placeholder: [set your x] */
.set {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent);
  letter-spacing: 0;
  text-transform: none;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 0.8rem 1.6rem;
  background: var(--navy);
  color: var(--ivory);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--r-1);
  border: 1px solid var(--navy);
  transition: background var(--dur-1) ease, color var(--dur-1) ease;
}
.btn:hover { background: var(--navy-3); border-color: var(--navy-3); }
[data-theme="navy"] .btn { background: var(--ivory); color: var(--navy); border-color: var(--ivory); }
[data-theme="navy"] .btn:hover { background: var(--white); }

.btn--ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover { background: transparent; border-color: var(--fg); color: var(--fg); }
[data-theme="navy"] .btn--ghost { background: transparent; color: var(--ivory); border-color: var(--line-strong); }
[data-theme="navy"] .btn--ghost:hover { background: transparent; border-color: var(--ivory); }

/* underlined text link, marker-colored underline */
.link {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color var(--dur-1) ease;
}
.link:hover { text-decoration-color: var(--fg); }

/* ---------- layout roles ---------- */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--edge);
}

/* content + annotation margin, the marginalia grid */
.wrap--margin { display: block; }
@media (min-width: 1100px) {
  .wrap--margin {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--margin-col);
    gap: var(--s-8);
    align-items: start;
  }
  .wrap--margin > .marginalia { padding-top: 0.4rem; position: sticky; top: var(--s-7); }
}
.marginalia { display: grid; gap: var(--s-5); margin-top: var(--s-6); }
@media (min-width: 1100px) { .marginalia { margin-top: 0; } }

section { padding-block: var(--section-pad); position: relative; }
section[data-theme="navy"] {
  background-color: var(--bg);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent calc(var(--rule-pitch) - 1px),
    var(--rule-color) calc(var(--rule-pitch) - 1px),
    var(--rule-color) var(--rule-pitch)
  );
  color: var(--fg);
}

/* single ruled divider, drawn heavier than the ground */
.rule-hr {
  border: 0;
  border-top: 1px solid var(--line-strong);
  margin: 0;
}

/* ---------- header: name left, margin-note nav right ---------- */
.site-header {
  position: relative;
  z-index: var(--z-hud);
  padding-block: var(--s-5);
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-5);
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.35rem;
  text-decoration: none;
  line-height: 1.2;
}
.brand .brand-tail { color: var(--accent); }
.site-nav {
  display: flex;
  gap: var(--s-6);
  flex-wrap: wrap;
}
.site-nav a {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
}
.site-nav a::before { content: "~ "; color: var(--accent); }
.site-nav a:hover { color: var(--fg); }
.site-nav a[aria-current="true"] { color: var(--fg); }

/* ---------- hero: pull-quote as hero ---------- */
#hero-01 {
  padding-block: clamp(5rem, 14vh, 9rem);
}
#hero-01 {
  .hero-quote {
    font-size: var(--t-display);
    line-height: var(--lh-display);
    font-weight: 450;
    max-width: 21ch;
    text-wrap: balance;
  }
  .hero-byline {
    margin-top: var(--s-6);
    display: flex;
    align-items: center;
    gap: var(--s-4);
    flex-wrap: wrap;
  }
  .hero-ctas {
    margin-top: var(--s-6);
    display: flex;
    gap: var(--s-4);
    flex-wrap: wrap;
    align-items: center;
  }
  .hero-aside-link { font-size: var(--t-small); font-style: italic; }
}

/* ---------- beliefs: numbered margin notes ---------- */
#beliefs-02 {
  border-top: 1px solid var(--line);
  .belief-list { display: grid; gap: var(--s-8); }
  .belief {
    display: grid;
    gap: var(--s-4);
    max-width: 46rem;
  }
  .belief-no {
    font-family: var(--font-mono);
    font-size: var(--t-mono);
    color: var(--accent);
    letter-spacing: 0.02em;
  }
  .belief h3 { font-size: var(--t-h3); font-weight: 500; }
  @media (min-width: 720px) {
    .belief { grid-template-columns: 6rem minmax(0, 1fr); }
    .belief-no { padding-top: 0.5rem; }
    .belief-body { grid-column: 2; }
  }
}

/* ---------- results: navy band, static numbers ---------- */
#results-03 {
  .results-grid {
    display: grid;
    gap: var(--s-6);
    margin-top: var(--s-7);
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  }
  .result {
    border-top: 1px solid var(--line);
    padding-top: var(--s-5);
    display: grid;
    gap: var(--s-2);
    align-content: start;
  }
  .result-num {
    font-size: clamp(2.2rem, 3.5vw, 3.2rem);
    font-weight: 500;
    line-height: 1.05;
    font-variation-settings: "opsz" 72;
  }
  .result-num .unit { color: var(--accent); }
  .result-label { color: var(--muted); font-size: var(--t-small); max-width: 22rem; }
  .results-note { margin-top: var(--s-7); }
}

/* ---------- track: the annotated working history ----------
   Rows are <details>: the summary is the row, the annotation is the disclosure.
   TrackSweep is a marker UNDERLINE, distinct from the one-per-section
   MarkerHighlight block sweep, so the rule in the styleguide still holds. */
#track-04 {
  border-top: 1px solid var(--line);
  .track-intro { margin-top: var(--s-4); }
  .track { margin-top: var(--s-7); border-top: 1px solid var(--line); }
  .track-row { border-bottom: 1px solid var(--line); }
  .track-row > summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 1.5rem;
    gap: var(--s-2) var(--s-4);
    align-items: baseline;
    padding-block: var(--s-5);
    cursor: pointer;
    list-style: none;
  }
  .track-row > summary::-webkit-details-marker { display: none; }
  .track-row > summary::after {
    content: "+";
    grid-row: 1;
    grid-column: 2;
    justify-self: end;
    font-family: var(--font-mono);
    font-size: var(--t-mono);
    color: var(--accent);
  }
  .track-row[open] > summary::after { content: "-"; }
  .track-years {
    grid-column: 1;
    font-family: var(--font-mono);
    font-size: var(--t-mono);
    letter-spacing: 0.02em;
    color: var(--accent);
  }
  .track-role {
    grid-column: 1;
    font-size: var(--t-h3);
    font-weight: 500;
    font-style: italic;
  }
  @media (min-width: 760px) {
    .track-row > summary { grid-template-columns: 10rem minmax(0, 1fr) 1.5rem; }
    .track-years { grid-row: 1; grid-column: 1; }
    .track-role { grid-row: 1; grid-column: 2; }
    .track-row > summary::after { grid-column: 3; }
  }
  .track-row:hover > summary .track-role { color: var(--accent); }
  .track-body {
    padding-bottom: var(--s-6);
    display: grid;
    gap: var(--s-4);
  }
  @media (min-width: 900px) {
    .track-body { grid-template-columns: minmax(0, 1fr) 12rem; gap: var(--s-6); }
    .track-note { padding-top: 0.35rem; }
  }
}

/* the marker underline, drawn left to right when a row is open or hovered */
.track-sweep {
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-size: 0% 2px;
  background-position: 0 100%;
  transition: background-size var(--dur-3) var(--ease-out);
  padding-bottom: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.track-row[open] .track-sweep,
.track-row:hover .track-sweep,
.track-row:focus-within .track-sweep,
html:not(.js) .track-sweep { background-size: 100% 2px; }

/* the mirror choice: a radio wearing a paper button. Documented in the styleguide,
   so it lives at component scope rather than inside the section. */
.mirror-choices { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.mirror-choice { position: relative; display: inline-flex; }
.mirror-choice input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.mirror-choice span {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-1);
  background: var(--white);
  padding: 0.4rem 1.3rem;
  transition: background var(--dur-1) ease, color var(--dur-1) ease;
}
.mirror-choice input:checked + span {
  background: var(--navy);
  color: var(--ivory);
  border-color: var(--navy);
}
.mirror-choice input:focus-visible + span {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px var(--highlight);
}

/* ---------- mirror: the five-question self-diagnostic ---------- */
#mirror-05 {
  border-top: 1px solid var(--line);
  .mirror-intro { margin-top: var(--s-4); }
  .mirror {
    margin-top: var(--s-7);
    display: grid;
    gap: var(--s-6);
    max-width: 44rem;
  }
  .mirror-questions { display: grid; gap: var(--s-5); }
  .mirror-q { border-top: 1px solid var(--line); padding-top: var(--s-4); }
  .mirror-q fieldset { border: 0; margin: 0; padding: 0; }
  .mirror-q legend {
    padding: 0;
    margin-bottom: var(--s-4);
    max-width: 36rem;
    line-height: 1.45;
  }
  .mirror-no {
    font-family: var(--font-mono);
    font-size: var(--t-mono);
    color: var(--accent);
    margin-right: var(--s-2);
  }
  .mirror-verdict {
    border-left: 3px solid var(--accent);
    padding-left: var(--s-5);
    display: grid;
    gap: var(--s-3);
  }
  .mirror-verdict-body { display: grid; gap: var(--s-4); }
  .mirror-verdict-body .mirror-line { max-width: var(--measure); color: var(--muted); }
  .mirror-verdict-body .mirror-line::before { content: "no. "; font-family: var(--font-mono); font-size: 0.8em; color: var(--accent); }
  .mirror-actions { display: flex; gap: var(--s-3); flex-wrap: wrap; align-items: center; }
  .mirror-actions .btn[aria-disabled="true"] { opacity: 0.45; }
  .mirror-skip { margin-top: var(--s-5); }
}
/* the deliberate asymmetry on this page: the question head is written into the margin */
@media (min-width: 1100px) {
  #mirror-05 .mirror-head { margin-left: calc(-1 * var(--s-7)); }
}
html:not(.js) #mirror-05 .mirror-actions,
html:not(.js) #mirror-05 .mirror-privacy,
html:not(.js) #mirror-05 .mirror-progress { display: none; }

/* ---------- engagements: three shapes ---------- */
#engagements-04 {
  .shape-grid {
    display: grid;
    gap: var(--gutter);
    margin-top: var(--s-7);
    grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  }
  .shape {
    border: 1px solid var(--line);
    border-radius: var(--r-2);
    background: var(--bg);
    padding: var(--s-6);
    display: grid;
    gap: var(--s-4);
    align-content: start;
  }
  .shape--featured { border-color: var(--accent); box-shadow: var(--shadow-1); }
  .shape-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-3); }
  .shape h3 { font-size: var(--t-h3); font-weight: 500; }
  .shape-price {
    font-family: var(--font-mono);
    font-size: var(--t-mono);
    color: var(--fg);
  }
  .shape-desc { color: var(--muted); font-size: var(--t-small); }
  .shape-list { display: grid; gap: var(--s-2); font-size: var(--t-small); }
  .shape-list li { padding-left: 1.2rem; position: relative; }
  .shape-list li::before {
    content: "~";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-family: var(--font-mono);
  }
  .shape .btn { justify-self: start; margin-top: var(--s-2); }
}

/* ---------- essays: reading list strip ---------- */
#essays-05 {
  border-top: 1px solid var(--line);
  .essay-rows { margin-top: var(--s-6); border-top: 1px solid var(--line); }
  .essay-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--s-4);
    align-items: baseline;
    padding-block: var(--s-5);
    border-bottom: 1px solid var(--line);
    text-decoration: none;
  }
  .essay-row .essay-title {
    font-size: var(--t-h3);
    font-weight: 500;
    font-style: italic;
    transition: color var(--dur-1) ease;
  }
  .essay-row:hover .essay-title { color: var(--accent); }
  .essay-row .note::before { content: "~ "; }
  .essays-cta { margin-top: var(--s-6); }
}

/* ---------- fit filter ---------- */
#fit-06 {
  border-top: 1px solid var(--line);
  .fit-cols {
    display: grid;
    gap: var(--s-7);
    margin-top: var(--s-7);
  }
  @media (min-width: 820px) { .fit-cols { grid-template-columns: 1fr 1fr; } }
  .fit-col h3 { font-size: var(--t-h3); font-weight: 500; margin-bottom: var(--s-4); font-style: italic; }
  .fit-list { display: grid; gap: var(--s-3); max-width: 34rem; }
  .fit-list li { padding-left: 1.4rem; position: relative; }
  .fit-list li::before {
    position: absolute;
    left: 0;
    font-family: var(--font-mono);
    color: var(--accent);
  }
  .fit-list--yes li::before { content: "+"; }
  .fit-list--no li::before { content: "-"; }
}

/* ---------- contact / booking ---------- */
#contact-07 {
  .contact-grid {
    display: grid;
    gap: var(--s-8);
    margin-top: var(--s-7);
  }
  @media (min-width: 900px) {
    .contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
  }
  .contact-aside { display: grid; gap: var(--s-5); align-content: start; }
  .contact-aside .direct { display: grid; gap: var(--s-2); }
}

/* ---------- form kit ---------- */
.form { display: grid; gap: var(--s-5); }
.field { display: grid; gap: var(--s-2); }
.field label {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.02em;
  color: var(--fg);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  color: var(--fg);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-1);
  padding: 0.7rem 0.9rem;
  width: 100%;
}
.field textarea { min-height: 8.5rem; resize: vertical; }
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible { outline-offset: 1px; }
.field .err { color: #a33000; font-size: var(--t-small); }
.field.is-invalid input,
.field.is-invalid textarea { border-color: #a33000; }
.hp { position: absolute; left: -9999px; top: auto; }

/* the scripts-off margin note: invisible on the scripted path, revealed by the
   same html:not(.js) gate the sweeps ride, set off by its own margin rule */
.nojs-note { display: none; }
html:not(.js) .nojs-note {
  display: block;
  border-left: 3px solid var(--accent);
  padding-left: var(--s-4);
}
html:not(.js) .nojs-note .link { color: var(--fg); }

.form-errors {
  border: 1px solid #a33000;
  border-radius: var(--r-1);
  padding: var(--s-4) var(--s-5);
  background: rgba(194, 90, 0, 0.06);
}
.form-errors ul { margin-top: var(--s-2); display: grid; gap: var(--s-1); padding-left: 1rem; list-style: disc; }
.form-status { min-height: 1.5rem; }
.fallback {
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-1);
  padding: var(--s-5);
  display: grid;
  gap: var(--s-3);
}
.fallback textarea {
  font-family: var(--font-mono);
  font-size: var(--t-small);
  min-height: 9rem;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  padding: var(--s-3);
  background: var(--white);
  color: var(--fg);
}
.fallback-actions { display: flex; gap: var(--s-3); flex-wrap: wrap; }

/* ---------- footer: one ruled line, signature-style ---------- */
.site-footer {
  padding-block: var(--s-8);
  border-top: 1px solid var(--line-strong);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: var(--s-5);
  flex-wrap: wrap;
  align-items: baseline;
}
.signature {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.5rem;
}
.signature .flourish { color: var(--accent); }
.footer-meta { display: grid; gap: var(--s-2); justify-items: end; }
@media (max-width: 640px) { .footer-meta { justify-items: start; } }

/* ---------- banner (interior pages) ---------- */
.banner {
  padding-block: var(--s-8);
  border-bottom: 1px solid var(--line);
}
.banner .crumbs { margin-bottom: var(--s-5); }
.banner .crumbs a { color: var(--muted); text-decoration: none; }
.banner .crumbs a:hover { color: var(--fg); }

/* ---------- essay page ---------- */
/* block flow, not grid: the sidenote floats need a normal float context */
.essay-body {
  max-width: var(--measure);
  counter-reset: sn-ref sn-body;
}
.essay-body > * + * { margin-top: var(--s-5); }
.essay-body p { line-height: var(--lh-body); }
.essay-body h2 {
  font-size: var(--t-h2);
  font-weight: 500;
  margin-top: var(--s-6);
  font-variation-settings: "opsz" 72;
}
.essay-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--s-5);
  font-style: italic;
  font-size: var(--t-lead);
  line-height: 1.5;
}
/* the blockquote hangs left of the measure: the essay's one asymmetry */
@media (min-width: 1100px) {
  .essay-body blockquote { margin-left: calc(-1 * var(--s-6)); }
}

/* sidenotes: margin notes on wide screens, tap-to-open notes on narrow.
   The checkbox is the whole mechanism, so this works with JS switched off. */
.sidenote-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}
.sidenote-ref { cursor: pointer; }
.sidenote-ref::after {
  counter-increment: sn-ref;
  content: counter(sn-ref);
  font-family: var(--font-mono);
  font-size: 0.62em;
  letter-spacing: 0;
  color: var(--accent);
  vertical-align: super;
  padding-inline: 0.12em 0.05em;
}
.sidenote-toggle:focus-visible + .sidenote-ref::after {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 1px;
  box-shadow: 0 0 0 5px var(--highlight);
}
.sidenote {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.sidenote::before {
  counter-increment: sn-body;
  content: counter(sn-body) ". ";
  color: var(--accent);
}
.sidenote-toggle:checked ~ .sidenote {
  display: block;
  margin-block: var(--s-3);
  padding-left: var(--s-4);
  border-left: 2px solid var(--rule-margin);
}
@media (min-width: 1100px) {
  /* the margin is wide enough to hold them: every note is simply out there */
  .sidenote-toggle { display: none; }
  .sidenote,
  .sidenote-toggle:checked ~ .sidenote {
    display: block;
    float: right;
    clear: right;
    width: var(--margin-col);
    margin: 0.35rem calc(-1 * (var(--margin-col) + var(--s-7))) var(--s-5) 0;
    padding-left: 0;
    border-left: 0;
  }
}
.essay-footnote-hint { clear: right; margin-top: var(--s-7); }
@media (min-width: 1100px) { .essay-footnote-hint { display: none; } }

/* reading tools: text size and the manuscript print. Enhancement only. */
.essay-tools { display: grid; gap: var(--s-3); margin-top: var(--s-2); }
.tool-row { display: flex; gap: var(--s-2); align-items: center; flex-wrap: wrap; }
.tool-label { flex-basis: 100%; }
.tool-btn {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--r-1);
  padding: 0.3rem 0.7rem;
  transition: color var(--dur-1) ease, border-color var(--dur-1) ease;
}
.tool-btn:hover { color: var(--fg); border-color: var(--line-strong); }
.tool-btn[aria-pressed="true"] {
  background: var(--navy);
  color: var(--ivory);
  border-color: var(--navy);
}
.tool-btn--wide { width: 100%; text-align: left; }
html:not(.js) .essay-tools { display: none; }

/* text-size steps: set on <html> by the toggle, remembered per visitor */
[data-text-size="s"] .essay-body { font-size: 1rem; }
[data-text-size="l"] .essay-body { font-size: 1.28rem; --measure: 44rem; }

.print-slug { display: none; }

/* ---------- styleguide helpers ---------- */
.sg-block { border: 1px solid var(--line); border-radius: var(--r-2); padding: var(--s-6); display: grid; gap: var(--s-4); }
.sg-swatches { display: grid; gap: var(--gutter); grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); }
.sg-swatch { border: 1px solid var(--line); border-radius: var(--r-2); overflow: hidden; }
.sg-swatch .sw { height: 5rem; }
.sg-swatch .mono { display: block; padding: var(--s-3); }

/* ---------- 404 ---------- */
.lost {
  min-height: 70vh;
  display: grid;
  align-content: center;
  gap: var(--s-5);
  padding-block: var(--s-9);
}

/* ---------- reveals ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity var(--dur-3) var(--ease-out),
    transform var(--dur-3) var(--ease-out);
}
html.js .reveal.is-inview { opacity: 1; transform: none; }
html.js .reveal[data-delay="1"] { transition-delay: 90ms; }
html.js .reveal[data-delay="2"] { transition-delay: 180ms; }
html.js .reveal[data-delay="3"] { transition-delay: 270ms; }

/* ---------- reduced motion: replacement, not shortening ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .mark-sweep {
    transition: none;
    background-size: 100% 58%;
  }
  /* the track underline is a state, not a stroke: it appears, it does not draw */
  .track-sweep { transition: none; }
  .mirror-choice span { transition: none; }
  .essay-row .essay-title,
  .tool-btn,
  .link { transition: none; }
}

/* ---------- print ----------
   Index prints as the working document it is (answers included).
   The essay prints as a typed manuscript: ruled ground gone, generous
   leading, indented continuations, sidenotes set as real footnotes. */
@media print {
  @page { margin: 20mm 18mm; }
  html { font-size: 100%; }
  body {
    background: #fff;
    background-image: none;
    color: #000;
  }
  body::before { display: none; }
  .site-header, .skip-link, .hero-ctas, .site-footer .footer-meta,
  .essay-tools, .mirror-actions, .mirror-skip, .essay-footnote-hint,
  .legacy-anchor { display: none; }
  section { padding-block: var(--s-6); }
  a { text-decoration: none; color: #000; }
  h1, h2, h3 { break-after: avoid; }
  p, li, blockquote { orphans: 3; widows: 3; }

  /* the mirror prints with the answers legible: unchosen options go pale */
  .mirror-choice input:not(:checked) + span { opacity: 0.3; }
  .mirror-choice span { background: transparent; }
  .mirror-choice input:checked + span { background: transparent; color: #000; border-color: #000; border-width: 2px; }

  /* manuscript mode */
  .print-slug {
    display: block;
    font-family: var(--font-mono);
    font-size: 9pt;
    letter-spacing: 0.04em;
    border-bottom: 1px solid #000;
    padding-bottom: 6pt;
    margin-bottom: 20pt;
  }
  .essay-body {
    max-width: none;
    font-size: 11.5pt;
  }
  .essay-body > * + * { margin-top: 0; }
  .essay-body p {
    line-height: 2;
    text-align: left;
    hyphens: none;
  }
  .essay-body p + p { text-indent: 1.6em; }
  .essay-body h2 {
    margin-top: 20pt;
    margin-bottom: 8pt;
    font-size: 13pt;
    text-transform: none;
  }
  .essay-body blockquote {
    margin: 14pt 0 14pt 3em;
    border-left: 0;
    padding-left: 0;
    line-height: 1.7;
  }
  .sidenote-toggle { display: none; }
  .sidenote,
  .sidenote-toggle:checked ~ .sidenote {
    display: block;
    float: none;
    width: auto;
    margin: 8pt 0 8pt 3em;
    padding-left: 0;
    border-left: 0;
    font-size: 9pt;
    line-height: 1.5;
    color: #000;
  }
  .banner .marginalia .note { color: #000; }
}