/* ==========================================================================
   Rethinking Leadership — companion site
   Design tokens, layout, components, print styles.
   Edit tokens here; everything else inherits.
   ========================================================================== */

:root {
  /* --- colour tokens --- */
  --paper:        #FAF7F1;
  --paper-2:      #F2EDE3;
  --paper-3:      #EAE3D5;
  --ink:          #15171B;
  --ink-soft:     #4B5058;
  --ink-faint:    #767B84;
  --rule:         #DBD3C3;
  --rule-strong:  #C3B9A4;
  --accent:       #8E2E24;   /* marginalia red — used sparingly */
  --accent-soft:  #F0E2DE;
  --figure:       #2C4C5B;   /* deep slate — structural / interactive */
  --figure-soft:  #E1E9ED;
  --focus:        #1D6FD0;

  /* --- type tokens --- */
  --serif: "Iowa Old Style", "Iowan Old Style", "Hoefler Text", "Palatino Linotype",
           Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
           "Helvetica Neue", Arial, sans-serif;
  --mono:  ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --step--1: clamp(0.83rem, 0.80rem + 0.14vw, 0.92rem);
  --step-0:  clamp(1.02rem, 0.99rem + 0.16vw, 1.14rem);
  --step-1:  clamp(1.21rem, 1.14rem + 0.34vw, 1.44rem);
  --step-2:  clamp(1.45rem, 1.32rem + 0.62vw, 1.92rem);
  --step-3:  clamp(1.72rem, 1.49rem + 1.10vw, 2.56rem);
  --step-4:  clamp(2.05rem, 1.63rem + 2.05vw, 3.40rem);

  /* --- spacing / layout --- */
  --s-1: 0.5rem;  --s-2: 0.75rem; --s-3: 1rem;   --s-4: 1.5rem;
  --s-5: 2rem;    --s-6: 3rem;    --s-7: 4.5rem; --s-8: 6.5rem;
  --measure: 66ch;
  --wide: 74rem;
  --mid: 56rem;
  --radius: 2px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #131519;   --paper-2: #1A1D22;  --paper-3: #23272E;
    --ink: #EDE8DF;     --ink-soft: #B4B8BF; --ink-faint: #8A8F98;
    --rule: #2E333B;    --rule-strong: #414852;
    --accent: #D98C7F;  --accent-soft: #2A2020;
    --figure: #93C0D4;  --figure-soft: #1B252B;
    --focus: #7DB6F5;
  }
}

/* ==========================================================================
   Base
   ========================================================================== */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--step-0);
  line-height: 1.62;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.16; margin: 0 0 var(--s-3); letter-spacing: -0.012em; }
h1 { font-size: var(--step-4); letter-spacing: -0.02em; }
h2 { font-size: var(--step-3); margin-top: var(--s-6); }
h3 { font-size: var(--step-2); margin-top: var(--s-5); }
h4 { font-size: var(--step-1); margin-top: var(--s-4); }
p  { margin: 0 0 var(--s-3); }
p, li { max-width: var(--measure); }

a { color: inherit; text-decoration-color: var(--rule-strong); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-color: var(--accent); color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
select:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--focus); outline-offset: 3px; border-radius: var(--radius);
}

strong { font-weight: 650; }
em { font-style: italic; }
hr { border: 0; border-top: 1px solid var(--rule); margin: var(--s-6) 0; }
img { max-width: 100%; height: auto; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: var(--s-2) var(--s-3);
  font-family: var(--sans); font-size: var(--step--1);
}
.skip-link:focus { left: var(--s-3); top: var(--s-3); }

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

/* ==========================================================================
   Layout
   ========================================================================== */

.wrap { width: min(100% - 2.5rem, var(--wide)); margin-inline: auto; }
.wrap--mid { width: min(100% - 2.5rem, var(--mid)); margin-inline: auto; }
@media (min-width: 40em) { .wrap, .wrap--mid { width: min(100% - 4rem, var(--wide)); } .wrap--mid { max-width: var(--mid); } }

main { display: block; }
section { margin-block: var(--s-7); }
.section-tight { margin-block: var(--s-5); }

.eyebrow {
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint);
  margin: 0 0 var(--s-2); display: block;
}
.eyebrow--accent { color: var(--accent); }

.lede { font-size: var(--step-1); line-height: 1.5; color: var(--ink-soft); max-width: 46ch; }
.muted { color: var(--ink-soft); }
.small { font-size: var(--step--1); }
.sans { font-family: var(--sans); }

.rule { border: 0; border-top: 1px solid var(--rule); margin: var(--s-5) 0; }
.rule--short { width: 4.5rem; border-top: 2px solid var(--accent); margin: var(--s-4) 0; }

/* ==========================================================================
   Header / navigation
   ========================================================================== */

.masthead {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.masthead__inner { display: flex; align-items: center; gap: var(--s-4); padding: 0.7rem 0; }

.wordmark { font-family: var(--serif); font-size: 1.02rem; font-weight: 600; letter-spacing: -0.01em; text-decoration: none; line-height: 1.2; }
.wordmark span { display: block; font-family: var(--sans); font-size: 0.62rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); }
.wordmark:hover { color: inherit; }

.nav { margin-left: auto; }
.nav ul { display: flex; flex-wrap: wrap; gap: 1.15rem; list-style: none; margin: 0; padding: 0; }
.nav a {
  font-family: var(--sans); font-size: 0.85rem; text-decoration: none; color: var(--ink-soft);
  padding-bottom: 2px; border-bottom: 1.5px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }

.nav-toggle {
  display: none; margin-left: auto; font-family: var(--sans); font-size: 0.85rem;
  background: none; border: 1px solid var(--rule-strong); color: var(--ink);
  padding: 0.45rem 0.7rem; border-radius: var(--radius); cursor: pointer;
}
.nav-toggle:hover { border-color: var(--ink); }

@media (max-width: 60em) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; margin-left: 0; width: 100%; }
  .nav.is-open { display: block; }
  .masthead__inner { flex-wrap: wrap; }
  .nav ul { flex-direction: column; gap: 0; padding: var(--s-2) 0 var(--s-3); }
  .nav li { border-top: 1px solid var(--rule); }
  .nav a { display: block; padding: 0.7rem 0; border-bottom: 0; font-size: 0.98rem; }
}

/* breadcrumbs */
.crumbs { font-family: var(--sans); font-size: 0.78rem; color: var(--ink-faint); padding-top: var(--s-4); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span { margin: 0 0.4rem; }

/* ==========================================================================
   Page header
   ========================================================================== */

.page-head { padding: var(--s-5) 0 var(--s-4); border-bottom: 1px solid var(--rule); margin-bottom: var(--s-6); }
.page-head h1 { font-size: var(--step-3); max-width: 22ch; }
.page-head .lede { margin-top: var(--s-3); }

/* Hero (home) */
.hero { padding: var(--s-7) 0 var(--s-6); }
.hero__grid { display: grid; gap: var(--s-6); }
@media (min-width: 62em) { .hero__grid { grid-template-columns: 1.45fr 1fr; gap: var(--s-7); align-items: start; } }
.hero h1 { max-width: 14ch; margin-bottom: var(--s-4); }
.hero__byline { font-family: var(--sans); font-size: 0.86rem; line-height: 1.7; color: var(--ink-soft); }
.hero__byline strong { color: var(--ink); font-weight: 650; }
.hero__claim {
  font-size: var(--step-1); line-height: 1.45; max-width: 34ch;
  border-left: 2px solid var(--accent); padding-left: var(--s-4); margin: var(--s-5) 0;
}

/* figure–ground motif: offset frames standing in for the book cover */
.cover-frame { position: relative; max-width: 21rem; }
.cover-frame::before {
  content: ""; position: absolute; inset: 0.85rem -0.85rem -0.85rem 0.85rem;
  border: 1px solid var(--rule-strong); z-index: 0;
}
.cover {
  position: relative; z-index: 1; background: var(--paper-2);
  border: 1px solid var(--rule-strong); padding: var(--s-5) var(--s-4);
  aspect-ratio: 5 / 7; display: flex; flex-direction: column; justify-content: space-between;
}
.cover__title { font-size: var(--step-2); line-height: 1.1; max-width: 10ch; }
.cover__foot { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); }
.cover__mark { font-family: var(--sans); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }

/* ==========================================================================
   Cards & grids
   ========================================================================== */

.grid { display: grid; gap: var(--s-4); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
@media (min-width: 46em) { .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 66em) { .grid--3 { grid-template-columns: repeat(3, 1fr); } .grid--4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  display: block; position: relative; background: var(--paper);
  border: 1px solid var(--rule); padding: var(--s-4);
  text-decoration: none; transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
a.card:hover { border-color: var(--ink); color: inherit; transform: translateY(-2px); background: var(--paper-2); }
a.card:hover .card__title { color: var(--accent); }
.card__num { font-family: var(--serif); font-size: 0.95rem; color: var(--accent); display: block; margin-bottom: var(--s-2); }
.card__title { font-size: var(--step-1); font-weight: 600; line-height: 1.2; margin: 0 0 var(--s-2); }
.card p { font-size: var(--step--1); color: var(--ink-soft); margin: 0; line-height: 1.55; }
.card__meta { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-top: var(--s-3); display: block; }

/* the three positional pathways get a heavier treatment */
.pathway { border-top: 3px solid var(--ink); padding-top: var(--s-4); }
.pathway--tell { border-top-color: var(--accent); }
.pathway--replot { border-top-color: var(--figure); }
.pathway--read { border-top-color: var(--ink); }

/* ==========================================================================
   Prose components
   ========================================================================== */

.prose > * + * { margin-top: var(--s-3); }
.prose h2 { margin-top: var(--s-6); }
.prose h3 { margin-top: var(--s-5); }
.prose ul, .prose ol { padding-left: 1.2rem; margin: 0 0 var(--s-3); }
.prose li { margin-bottom: 0.45rem; }
.prose li::marker { color: var(--ink-faint); }

.callout {
  border: 1px solid var(--rule); border-left: 3px solid var(--figure);
  background: var(--paper-2); padding: var(--s-4); margin: var(--s-5) 0;
}
.callout > :last-child { margin-bottom: 0; }
.callout__label { font-family: var(--sans); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--figure); display: block; margin-bottom: var(--s-2); }
.callout--warn { border-left-color: var(--accent); }
.callout--warn .callout__label { color: var(--accent); }

.pull {
  font-size: var(--step-2); line-height: 1.32; max-width: 26ch;
  border-left: 2px solid var(--accent); padding-left: var(--s-4);
  margin: var(--s-6) 0; color: var(--ink);
}
.pull cite { display: block; font-family: var(--sans); font-style: normal; font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-top: var(--s-3); }

.qlist { list-style: none; padding: 0; margin: var(--s-4) 0; counter-reset: q; }
.qlist li {
  counter-increment: q; position: relative; padding-left: 2.4rem;
  padding-bottom: var(--s-3); margin-bottom: var(--s-3); border-bottom: 1px solid var(--rule);
  max-width: var(--measure);
}
.qlist li:last-child { border-bottom: 0; }
.qlist li::before {
  content: counter(q, decimal-leading-zero); position: absolute; left: 0; top: 0.15rem;
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; color: var(--accent);
}

.steps { list-style: none; padding: 0; margin: var(--s-4) 0; }
.steps > li { border-top: 1px solid var(--rule); padding: var(--s-4) 0; display: grid; gap: var(--s-2); }
.steps > li { max-width: none; }
@media (min-width: 52em) {
  .steps > li { grid-template-columns: 13rem minmax(0, 46rem); column-gap: 3.5rem; }
}
@media (min-width: 76em) {
  .steps > li { justify-content: center; }
  .steps h3 { text-align: right; }
}
.steps h3 { margin: 0; font-size: var(--step-1); }
.steps p { margin: 0; color: var(--ink-soft); }
.steps__links { font-family: var(--sans); font-size: 0.78rem; margin-top: var(--s-2); }
.steps__links a { margin-right: 0.9rem; }

.defs { margin: var(--s-4) 0; }
.defs dt { font-weight: 650; margin-top: var(--s-3); }
.defs dd { margin: 0.2rem 0 0; color: var(--ink-soft); max-width: var(--measure); }

.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; margin: var(--s-3) 0; list-style: none; }
.tags li, .tag {
  font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.04em;
  border: 1px solid var(--rule-strong); padding: 0.2rem 0.55rem; color: var(--ink-soft);
  border-radius: 100px; background: var(--paper);
}
a.tag { text-decoration: none; }
a.tag:hover { border-color: var(--accent); color: var(--accent); }

/* status / placeholder markers */
.placeholder {
  border: 1px dashed var(--rule-strong); background: repeating-linear-gradient(
    135deg, transparent, transparent 8px, color-mix(in srgb, var(--paper-3) 60%, transparent) 8px, color-mix(in srgb, var(--paper-3) 60%, transparent) 16px);
  padding: var(--s-4); margin: var(--s-4) 0; font-family: var(--sans); font-size: 0.85rem; color: var(--ink-soft);
}
.placeholder strong { display: block; font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: var(--s-2); }

.status {
  font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-faint); border-top: 1px solid var(--rule); padding-top: var(--s-2); margin-top: var(--s-5); display: block;
}

/* table */
.table-wrap { overflow-x: auto; margin: var(--s-4) 0; }
table { border-collapse: collapse; width: 100%; font-size: var(--step--1); }
caption { text-align: left; font-family: var(--sans); font-size: 0.78rem; color: var(--ink-faint); padding-bottom: var(--s-2); }
th, td { text-align: left; vertical-align: top; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--rule); }
th { font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); font-weight: 600; }

/* next / prev */
.next-links { display: grid; gap: var(--s-3); margin-top: var(--s-6); border-top: 1px solid var(--rule); padding-top: var(--s-4); }
@media (min-width: 46em) { .next-links { grid-template-columns: repeat(2, 1fr); } }

/* buttons */
.btn {
  display: inline-block; font-family: var(--sans); font-size: 0.86rem; font-weight: 550;
  padding: 0.62rem 1.15rem; border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  text-decoration: none; border-radius: var(--radius); cursor: pointer; transition: background .16s ease, color .16s ease;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn--ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--sm { font-size: 0.78rem; padding: 0.45rem 0.8rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-2); margin: var(--s-4) 0; }

/* ==========================================================================
   Tools
   ========================================================================== */

.tool { margin-top: var(--s-5); }
.tool fieldset { border: 1px solid var(--rule); padding: var(--s-4); margin: 0 0 var(--s-4); background: var(--paper); }
.tool legend { font-family: var(--sans); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--figure); padding: 0 0.5rem; }
.tool .field { margin-bottom: var(--s-4); }
.tool .field:last-child { margin-bottom: 0; }
.tool label { display: block; margin-bottom: 0.35rem; }
.tool .q { font-size: var(--step-0); max-width: 60ch; }
.tool .hint { font-family: var(--sans); font-size: 0.78rem; color: var(--ink-faint); margin: 0.15rem 0 0.5rem; max-width: 60ch; }
.tool input[type="text"], .tool textarea, .tool select {
  width: 100%; max-width: 44rem; font-family: var(--sans); font-size: 0.92rem; color: var(--ink);
  background: var(--paper-2); border: 1px solid var(--rule-strong); border-radius: var(--radius);
  padding: 0.55rem 0.7rem; line-height: 1.5;
}
.tool textarea { min-height: 7rem; resize: vertical; }
.tool input:focus, .tool textarea:focus, .tool select:focus { border-color: var(--figure); }

.choices { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.4rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.choice span {
  display: block; font-family: var(--sans); font-size: 0.84rem; padding: 0.45rem 0.85rem;
  border: 1px solid var(--rule-strong); border-radius: 100px; background: var(--paper); color: var(--ink-soft);
}
.choice input:checked + span { border-color: var(--figure); background: var(--figure-soft); color: var(--ink); font-weight: 600; }
.choice input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }

.result { border: 1px solid var(--rule-strong); background: var(--paper-2); padding: var(--s-4); margin-top: var(--s-4); }
.result h3 { margin-top: 0; }
.result h4 { margin-top: var(--s-4); font-size: var(--step-0); }
.result ul { padding-left: 1.1rem; }
.result[hidden] { display: none; }
.result__verdict { font-size: var(--step-2); line-height: 1.2; margin: 0 0 var(--s-2); }

.narrative-card { border: 1px solid var(--rule); background: var(--paper); padding: var(--s-4); margin-bottom: var(--s-4); }
.narrative-card header { display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-3); }
.narrative-card h3 { margin: 0; font-size: var(--step-1); }

.map { display: grid; gap: var(--s-3); margin: var(--s-4) 0; }
@media (min-width: 46em) { .map { grid-template-columns: repeat(2, 1fr); } }
.map__cell { border: 1px solid var(--rule); padding: var(--s-3); background: var(--paper); }
.map__cell h4 { margin: 0 0 var(--s-2); font-size: var(--step-0); }
.map__cell ul { margin: 0; padding-left: 1.1rem; font-size: var(--step--1); }

.bar { height: 6px; background: var(--paper-3); border: 1px solid var(--rule); position: relative; margin: 0.3rem 0 0.6rem; max-width: 30rem; }
.bar span { position: absolute; inset: 0 auto 0 0; background: var(--figure); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-foot { border-top: 1px solid var(--rule); margin-top: var(--s-8); padding: var(--s-6) 0 var(--s-7); background: var(--paper-2); }
.site-foot__grid { display: grid; gap: var(--s-5); }
@media (min-width: 46em) { .site-foot__grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.site-foot h2 { font-size: 0.72rem; font-family: var(--sans); font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin: 0 0 var(--s-3); }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 0.4rem; }
.site-foot a { font-family: var(--sans); font-size: 0.85rem; text-decoration: none; color: var(--ink-soft); }
.site-foot a:hover { color: var(--accent); text-decoration: underline; }
.colophon { margin-top: var(--s-6); padding-top: var(--s-4); border-top: 1px solid var(--rule); font-family: var(--sans); font-size: 0.76rem; color: var(--ink-faint); }
.colophon p { max-width: 70ch; }

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
  :root { --paper: #fff; --paper-2: #fff; --paper-3: #fff; --ink: #000; --ink-soft: #222; --rule: #bbb; }
  .masthead, .site-foot, .nav-toggle, .skip-link, .no-print, .btn-row, .crumbs { display: none !important; }
  body { font-size: 11pt; background: #fff; }
  main { padding: 0; }
  a { text-decoration: none; color: #000; }
  .result, .callout, .narrative-card, .tool fieldset { border: 1px solid #999; }
  .callout, .narrative-card { break-inside: avoid; }
  .result { break-inside: auto; }   /* a long summary must be allowed to flow */
  h2, h3 { break-after: avoid; }
  .print-only { display: block !important; }
}
.print-only { display: none; }

/* question text inside a fieldset legend keeps reading-face styling */
.tool legend .q {
  display: inline-block; font-family: var(--serif); font-size: var(--step-0);
  font-weight: 400; letter-spacing: normal; text-transform: none;
  color: var(--ink); line-height: 1.4; max-width: 60ch;
}
.tool fieldset { margin-bottom: var(--s-4); }
.result blockquote.pull { font-size: var(--step-1); margin: var(--s-3) 0; }
.result dl.defs dt { font-size: var(--step--1); font-family: var(--sans); color: var(--ink-faint); }
.result dl.defs dd { color: var(--ink); margin-bottom: var(--s-2); }

/* --------------------------------------------------------------------------
   Marginal rail: on wide viewports a section heading sits in the left margin,
   like an annotation against its own text block. Heading and body are one
   grid row, so they never drift apart. Below 76em it is a normal stack.
   -------------------------------------------------------------------------- */
.rail { margin-block: var(--s-5); }
.rail__head h2 { margin-top: 0; }
.rail__body > :last-child { margin-bottom: 0; }

@media (min-width: 76em) {
  .rail {
    display: grid;
    grid-template-columns: 13rem minmax(0, 46rem);
    column-gap: 3.5rem;
    justify-content: center;
    margin-block: var(--s-6);
  }
  .rail__head h2 {
    text-align: right;
    font-size: var(--step-1);
    line-height: 1.25;
    margin: 0;
    padding-top: 0.4rem;
    border-top: 2px solid var(--accent);
    position: sticky;
    top: 5rem;
  }
  .rail__body > h3:first-child,
  .rail__body > p:first-child { margin-top: 0; }
}

/* page head gets a little more presence on wide screens */
@media (min-width: 62em) {
  .page-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); gap: 3.5rem; align-items: start; }
  .page-head > .eyebrow { grid-column: 1 / -1; margin-bottom: var(--s-3); }
  .page-head h1 { margin-bottom: 0; }
  .page-head .lede { margin-top: 0.2rem; }
}

/* home: heading + text side by side rather than one narrow column */
@media (min-width: 62em) {
  .spread { display: grid; grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: 3.5rem; align-items: start; }
  .spread__aside .eyebrow { margin-bottom: var(--s-3); }
  .spread__aside h2 { margin-top: 0; font-size: var(--step-2); }
}

/* home page long-form sections share the rail's proportions */
@media (min-width: 76em) {
  .spread { grid-template-columns: 13rem minmax(0, 46rem); column-gap: 3.5rem; justify-content: center; }
  .spread__aside { text-align: right; }
  .spread__aside h2 { font-size: var(--step-1); line-height: 1.25; margin: 0; padding-top: 0.4rem; border-top: 2px solid var(--accent); }
  .spread__aside .eyebrow { display: none; }
}

.lead-claim {
  display: block; font-size: var(--step-2); line-height: 1.24; letter-spacing: -0.012em;
  max-width: 24ch; margin-bottom: var(--s-4);
}

.steps p + p { margin-top: var(--s-3); }
.steps__links { margin-top: var(--s-3); }
.rail__head:empty { min-height: 0; }

@media (max-width: 46em) {
  .cover-frame { max-width: 15rem; }
}

/* printing a completed tool: the summary is the document, not the blank form */
@media print {
  .tool:has(.result:not([hidden])) fieldset,
  .tool:has(.result:not([hidden])) #narrative-list { display: none; }
  /* once a summary exists it is the document: drop the surrounding guidance */
  body:has(.tool .result:not([hidden])) main .wrap > .prose,
  body:has(.tool .result:not([hidden])) main .wrap > .rail,
  body:has(.tool .result:not([hidden])) .next-links { display: none; }
  body:has(.tool .result:not([hidden])) .page-head { margin-bottom: var(--s-4); }
}