@charset "utf-8";

/* ============================================================
   THE CONTROL GROUP — assets/css/style.css
   An independent review of preclinical peptide research.
   Warm archival neutrals, one cold accent. Hairlines, no shadows.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */

:root {
  /* palette */
  --ink: #14161A;
  --paper: #FAF8F3;
  --vellum: #F0EBDF;
  --rule: #D8D1C0;
  --graphite: #5A6067;
  --lichen: #2E6B4E;
  --lichen-deep: #24543E;

  /* type families */
  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --body: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* type scale */
  --t-hero: clamp(2.75rem, 7.2vw, 5rem);
  --t-h1: clamp(2.25rem, 5.4vw, 3.9rem);
  --t-h2: clamp(1.6rem, 2.9vw, 2.3rem);
  --t-h3: clamp(1.2rem, 1.8vw, 1.45rem);
  --t-lead: clamp(1.2rem, 2.1vw, 1.6rem);
  --t-body: 1.0625rem;
  --t-small: 0.9375rem;
  --t-mono: 0.75rem;
  --t-mono-sm: 0.6875rem;

  /* measure + rhythm */
  --measure: 68ch;
  --gap: clamp(1.5rem, 4vw, 3rem);
  --band: clamp(3.5rem, 8vw, 7rem);
  --shell: 1180px;
  --shell-wide: 1440px;
  --hair: 1px solid var(--rule);
  --hair-ink: 1px solid var(--ink);
}

/* ---------- 2. RESET ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--t-body);
  font-weight: 400;
  line-height: 1.72;
  font-synthesis-weight: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 600;
  font-optical-sizing: auto;
  line-height: 1.08;
  letter-spacing: -0.018em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0 0 1.25em; }
p:last-child { margin-bottom: 0; }

a { color: var(--lichen); text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { color: var(--lichen-deep); }

:focus-visible {
  outline: 2px solid var(--lichen);
  outline-offset: 3px;
}

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

/* ---------- 3. LAYOUT SHELL ---------- */

.wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}
.wrap--wide { max-width: var(--shell-wide); }
.prose { max-width: var(--measure); }

.band { padding-block: var(--band); }
.band--tight { padding-block: clamp(2.25rem, 5vw, 3.75rem); }
.band--vellum { background: var(--vellum); }
.band--edge { border-top: var(--hair); }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.skip:focus {
  left: 0.75rem;
  top: 0.75rem;
  color: var(--paper);
}

/* ---------- 4. EDITORIAL FURNITURE ---------- */

.kicker {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--lichen);
  margin: 0 0 1rem;
  display: block;
}
.kicker--graphite { color: var(--graphite); }

.meta {
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--graphite);
}

.standfirst {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: var(--t-lead);
  line-height: 1.45;
  color: var(--graphite);
  letter-spacing: -0.01em;
  max-width: 46ch;
  text-wrap: pretty;
}

.rule { border: 0; border-top: var(--hair); margin: 0; }
.rule--ink { border-top: 1px solid rgba(20, 22, 26, 0.45); }
.rule--short { width: 4.5rem; }

.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lichen);
}
.tag--graphite { color: var(--graphite); }

/* standing note bars — compliance posture, distributed */
.note-bar {
  border-top: var(--hair);
  border-bottom: var(--hair);
  background: var(--vellum);
  padding-block: 0.9rem;
}
.note-bar p {
  margin: 0;
  font-family: var(--mono);
  font-size: var(--t-mono);
  line-height: 1.75;
  letter-spacing: 0.045em;
  color: var(--graphite);
  max-width: 88ch;
}
.note-bar strong { color: var(--ink); font-weight: 500; }

.note-inline {
  font-family: var(--display);
  font-style: italic;
  font-size: var(--t-small);
  color: var(--graphite);
  margin: 0.4rem 0 0;
  line-height: 1.5;
}

/* pull quotes */
.pullquote {
  background: var(--vellum);
  border-top: var(--hair-ink);
  border-bottom: var(--hair-ink);
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
}
.pullquote blockquote {
  margin: 0;
  max-width: 46rem;
}
.pullquote p {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.7rem, 4.2vw, 3rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}
.pullquote cite {
  display: block;
  margin-top: 1.75rem;
  font-family: var(--mono);
  font-style: normal;
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--graphite);
}

/* bylines */
.byline {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.byline img {
  width: 46px;
  height: 46px;
  border: var(--hair);
  flex: none;
  background: var(--vellum);
}
.byline-name {
  font-family: var(--body);
  font-weight: 600;
  font-size: var(--t-small);
  letter-spacing: 0.005em;
  margin: 0;
  line-height: 1.35;
}
.byline-name a { color: var(--ink); text-decoration: none; }
.byline-name a:hover { color: var(--lichen); }
.byline-meta {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  margin: 0.15rem 0 0;
  line-height: 1.5;
}

/* links + buttons — squared, hairline, never pills */
.cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.95rem 1.6rem;
  text-decoration: none;
  transition: background 120ms linear, color 120ms linear;
}
.cta:hover { background: var(--lichen); border-color: var(--lichen); color: var(--paper); }

.cta--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.cta--ghost:hover { background: transparent; color: var(--lichen); border-color: var(--lichen); }

.textlink {
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--lichen);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.25rem;
}
.textlink:hover { border-bottom-color: var(--lichen); }

/* figures */
figure.plate img { width: 100%; border: var(--hair); background: var(--vellum); }
figure.plate figcaption {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  line-height: 1.7;
  letter-spacing: 0.055em;
  color: var(--graphite);
  padding-top: 0.75rem;
  border-top: var(--hair);
  margin-top: 0.75rem;
  max-width: 62ch;
}

/* numbered section markers */
.numbered { counter-reset: sect; }
.numbered > .step { counter-increment: sect; position: relative; }
.numbered > .step::before {
  content: "0" counter(sect);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.1em;
  color: var(--lichen);
  display: block;
  margin-bottom: 0.6rem;
}

/* ---------- 5. LOGO + HEADER ---------- */

.logo { display: flex; align-items: center; gap: 0.85rem; text-decoration: none; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo svg { flex: none; }
.logo-word {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}
.logo:hover .logo-word { color: var(--lichen); }

.site-header { border-bottom: var(--hair); background: var(--paper); }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.75rem;
  flex-wrap: wrap;
  padding-block: 0.9rem;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem clamp(0.85rem, 2.6vw, 2.1rem);
  align-items: center;
}
.site-nav a {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--graphite);
  text-decoration: none;
  padding-block: 0.4rem;
  border-bottom: 2px solid transparent;
  display: block;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 500;
  border-bottom-color: var(--lichen);
}

/* ---------- 6. HOME ---------- */

.hero { padding-block: clamp(3rem, 8vw, 6.5rem) clamp(2.5rem, 5vw, 4rem); }
.hero-word {
  font-family: var(--display);
  font-weight: 600;
  font-size: var(--t-hero);
  line-height: 0.94;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  text-transform: uppercase;
}
.hero-tagline {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.35rem, 3vw, 2rem);
  color: var(--ink);
  margin: 0 0 0.5rem;
  letter-spacing: -0.015em;
}
.hero-stand {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--graphite);
  max-width: 48ch;
  text-wrap: pretty;
  margin: 0 0 2.25rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  flex-wrap: wrap;
  margin-top: 2.25rem;
}

.lead-feature { display: grid; gap: clamp(1.75rem, 4vw, 3.25rem); align-items: start; }
.lead-feature figure.plate img { aspect-ratio: 4 / 3; object-fit: cover; }
.lead-feature h2 {
  font-size: var(--t-h1);
  margin: 0.9rem 0 1.1rem;
}
.lead-feature h2 a { color: var(--ink); text-decoration: none; }
.lead-feature h2 a:hover { color: var(--lichen); }
.lead-feature .standfirst { margin-bottom: 1.75rem; }

/* teaser rows */
.teasers { display: grid; gap: 0; border-top: var(--hair); }
.teaser {
  border-bottom: var(--hair);
  padding-block: 1.75rem;
}
.teaser h3 {
  font-size: 1.25rem;
  line-height: 1.18;
  margin: 0.7rem 0 0.6rem;
}
.teaser h3 a { color: var(--ink); text-decoration: none; }
.teaser h3 a:hover { color: var(--lichen); }
.teaser p {
  font-size: var(--t-small);
  color: var(--graphite);
  margin: 0 0 1rem;
  line-height: 1.62;
}

/* library index on home */
.index-list { border-top: var(--hair); }
.index-list li { border-bottom: var(--hair); }
.index-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.95rem;
  text-decoration: none;
  color: var(--ink);
}
.index-list a:hover { color: var(--lichen); }
.index-name { font-weight: 500; font-size: 1.02rem; }
.index-class {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  text-align: right;
  flex: none;
}

/* how we read a paper */
.steps { display: grid; gap: 0; border-top: var(--hair); }
.steps .step { border-bottom: var(--hair); padding-block: 1.9rem; }
.steps .step h3 { font-size: var(--t-h3); margin: 0 0 0.65rem; }
.steps .step p { font-size: var(--t-small); color: var(--graphite); margin: 0; }

/* ---------- 7. NEWSLETTER ---------- */

.signup { border-top: var(--hair); border-bottom: var(--hair); padding-block: clamp(2.5rem, 5vw, 3.75rem); }
.signup h2 { font-size: var(--t-h2); margin: 0 0 0.75rem; }
.signup p { color: var(--graphite); font-size: var(--t-small); max-width: 52ch; }

.form-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; margin-top: 1.5rem; }
.field { display: flex; flex-direction: column; gap: 0.45rem; flex: 1 1 18rem; max-width: 27rem; }
.field label {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite);
}
.field input {
  font-family: var(--body);
  font-size: var(--t-body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 0.85rem 1rem;
  width: 100%;
  min-height: 3rem;
}
.field input::placeholder { color: #8B9097; }
.field input:focus-visible { border-color: var(--lichen); }
button.cta { cursor: pointer; font-family: var(--mono); min-height: 3rem; }
.form-note {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.05em;
  color: var(--graphite);
  margin: 0.9rem 0 0;
  line-height: 1.7;
}

/* ---------- 8. LIBRARY ---------- */

.page-head { padding-block: clamp(2.75rem, 6vw, 4.75rem) clamp(1.75rem, 4vw, 2.75rem); }
.page-head h1 { font-size: var(--t-h1); margin: 0 0 1.25rem; }
.page-head .standfirst { max-width: 54ch; }
.page-head .meta { display: block; margin-top: 1.75rem; }

.rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(1rem, 3vw, 2rem);
  border-top: var(--hair);
  border-bottom: var(--hair);
  padding-block: 0.85rem;
}
.rail li { font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--graphite); }
.rail li:first-child { color: var(--ink); }

.library-layout { display: block; }

.toc-sticky { display: none; }

.profile {
  border-top: var(--hair-ink);
  padding-block: clamp(2.5rem, 5vw, 4rem);
  scroll-margin-top: 5rem;
}
.profile-label {
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  margin: 0 0 1.1rem;
  line-height: 1.8;
}
.profile-label b { color: var(--lichen); font-weight: 500; }
.profile h2 { font-size: var(--t-h2); margin: 0 0 0.75rem; }
.profile-sub {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--graphite);
  margin: 0 0 2rem;
  max-width: 52ch;
  line-height: 1.45;
}
.profile h3 {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 2rem 0 0.85rem;
  padding-top: 0.85rem;
  border-top: var(--hair);
}
.profile p { max-width: var(--measure); }

/* evidence snapshot */
.snapshot {
  border: var(--hair-ink);
  margin: 2.25rem 0 0;
  max-width: 46rem;
}
.snapshot caption,
.snapshot .snapshot-head {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  padding: 0.6rem 1rem;
  text-align: left;
  display: block;
}
.snapshot .snapshot-head { max-width: none; }
.snapshot dl { margin: 0; }
.snapshot .row {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--hair);
  padding: 0.75rem 1rem;
  gap: 0.15rem;
}
.snapshot .row:first-of-type { border-top: 0; }
.snapshot dt {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--graphite);
}
.snapshot dd {
  margin: 0;
  font-size: var(--t-small);
  line-height: 1.6;
  color: var(--ink);
}

.crosslink {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: var(--hair);
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.06em;
  color: var(--graphite);
  line-height: 1.8;
}
.crosslink a { color: var(--lichen); }

/* in-column pull quote, used in the Library */
.quote-band {
  border-top: var(--hair-ink);
  border-bottom: var(--hair-ink);
  background: var(--vellum);
  margin: 3.25rem 0;
  padding: clamp(2rem, 4vw, 3rem) clamp(1.25rem, 3vw, 2.25rem);
}
.quote-band p {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.26;
  letter-spacing: -0.018em;
  margin: 0;
  max-width: 26ch;
}
.quote-band cite {
  display: block;
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-style: normal;
  font-size: var(--t-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--graphite);
}

/* ---------- 9. DISPATCHES ---------- */

.lead-card { border-top: var(--hair-ink); border-bottom: var(--hair); padding-block: clamp(2rem, 4vw, 3rem); }
.lead-card h2 { font-size: var(--t-h1); margin: 0.9rem 0 1.1rem; }
.lead-card h2 a { color: var(--ink); text-decoration: none; }
.lead-card h2 a:hover { color: var(--lichen); }
.lead-card p.excerpt { color: var(--graphite); margin-bottom: 1.75rem; max-width: 58ch; }

.entries { display: grid; gap: 0; }
.entry {
  border-bottom: var(--hair);
  padding-block: 2rem;
  display: grid;
  gap: 1.25rem;
}
.entry img { border: var(--hair); background: var(--vellum); width: 100%; }
.entry h3 { font-size: 1.35rem; line-height: 1.16; margin: 0.65rem 0 0.6rem; }
.entry h3 a { color: var(--ink); text-decoration: none; }
.entry h3 a:hover { color: var(--lichen); }
.entry p.excerpt { font-size: var(--t-small); color: var(--graphite); margin: 0 0 1.1rem; line-height: 1.62; }

/* ---------- 10. ARTICLE ---------- */

.progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 2px;
  background: var(--lichen);
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 90;
}
@supports (animation-timeline: scroll()) {
  .progress {
    animation: progress-grow linear;
    animation-timeline: scroll(root block);
  }
}
@keyframes progress-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.article-hero { border-bottom: var(--hair); }
.article-hero img { width: 100%; max-height: 44vh; object-fit: cover; border-bottom: var(--hair); }
.article-hero figcaption {
  max-width: 48rem;
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.055em;
  color: var(--graphite);
  padding-block: 0.85rem;
  line-height: 1.7;
}

.article-head { padding-block: clamp(2.5rem, 6vw, 4.25rem) clamp(1.5rem, 3vw, 2.5rem); }
.article-head h1 { font-size: var(--t-h1); margin: 0 0 1.5rem; max-width: 20ch; }
.article-head .standfirst { max-width: 52ch; margin-bottom: 2.25rem; }
.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  align-items: center;
  border-top: var(--hair);
  padding-top: 1.5rem;
}
.article-stats {
  font-family: var(--mono);
  font-size: var(--t-mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--graphite);
  line-height: 1.9;
}
.article-stats span { display: block; }

.article-body { padding-block: clamp(2.5rem, 5vw, 4rem); }
.article-body > * { max-width: var(--measure); }
.article-body h2 {
  font-size: var(--t-h2);
  margin: 3.25rem 0 1.25rem;
  padding-top: 1.5rem;
  border-top: var(--hair);
  scroll-margin-top: 5rem;
}
.article-body h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.article-body p { line-height: 1.72; }
.article-body .dropcap::first-letter {
  font-family: var(--display);
  font-weight: 600;
  font-size: 3.9em;
  line-height: 0.82;
  float: left;
  padding: 0.06em 0.1em 0 0;
  color: var(--ink);
}
.article-body figure.plate { margin-block: 2.75rem; }
.article-body .pullquote-inline {
  border-top: var(--hair-ink);
  border-bottom: var(--hair-ink);
  background: var(--vellum);
  margin-block: 3rem;
  padding: clamp(2rem, 4vw, 2.75rem) clamp(1.25rem, 3vw, 2.25rem);
  max-width: var(--measure);
}
.article-body .pullquote-inline p {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  line-height: 1.28;
  margin: 0;
  letter-spacing: -0.015em;
}

.marginal {
  border-left: 2px solid var(--lichen);
  padding: 0.35rem 0 0.35rem 1rem;
  margin-block: 2.25rem;
  font-family: var(--mono);
  font-size: var(--t-mono);
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--graphite);
  max-width: var(--measure);
}
.marginal b { display: block; color: var(--ink); font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.4rem; }

/* footnote markers */
sup.fn { font-family: var(--mono); font-size: 0.68em; line-height: 0; }
sup.fn a { text-decoration: none; padding: 0 0.1em; }

.references {
  border-top: var(--hair-ink);
  margin-top: 3.5rem;
  padding-top: 1.75rem;
  scroll-margin-top: 5rem;
}
.references h2 { font-size: var(--t-h3); margin: 0 0 1.25rem; border: 0; padding: 0; }
.references ol { counter-reset: ref; }
.references li {
  counter-increment: ref;
  position: relative;
  padding-left: 2.5rem;
  padding-block: 0.9rem;
  border-top: var(--hair);
  font-size: var(--t-small);
  color: var(--graphite);
  line-height: 1.65;
  scroll-margin-top: 5.5rem;
}
.references li::before {
  content: "[" counter(ref) "]";
  position: absolute;
  left: 0;
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  color: var(--lichen);
  top: 1.15rem;
}

.author-card {
  border: var(--hair-ink);
  padding: clamp(1.5rem, 3vw, 2rem);
  margin-top: 3.5rem;
  display: grid;
  gap: 1.25rem;
}
.author-card img { width: 76px; height: 76px; border: var(--hair); background: var(--vellum); }
.author-card h2 { font-size: var(--t-h3); margin: 0 0 0.35rem; border: 0; padding: 0; }
.author-card p { font-size: var(--t-small); color: var(--graphite); margin: 0.75rem 0 0; }

.related { border-top: var(--hair); }
.related li { border-bottom: var(--hair); }
.related a {
  display: block;
  padding-block: 1.35rem;
  text-decoration: none;
  color: var(--ink);
}
.related a:hover .related-title { color: var(--lichen); }
.related-title { display: block; font-weight: 500; font-size: 1.05rem; line-height: 1.35; margin-top: 0.35rem; }

/* ---------- 11. ABOUT ---------- */

.mission {
  background: var(--vellum);
  border: var(--hair-ink);
  padding: clamp(1.75rem, 4vw, 2.75rem);
  max-width: 54ch;
}
.mission p {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.4;
  margin: 0;
  letter-spacing: -0.012em;
}

.standards { border-top: var(--hair); }
.standards li {
  border-bottom: var(--hair);
  padding-block: 1.4rem;
  display: grid;
  gap: 0.35rem;
}
.standards .std-head {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}
.standards p { font-size: var(--t-small); color: var(--graphite); margin: 0; max-width: 60ch; }

.masthead { display: grid; gap: 0; border-top: var(--hair); }
.masthead-person {
  border-bottom: var(--hair);
  padding-block: 2rem;
  display: grid;
  gap: 1.25rem;
}
.masthead-person img { width: 104px; height: 104px; border: var(--hair); background: var(--vellum); }
.masthead-person h3 { font-size: var(--t-h3); margin: 0 0 0.3rem; }
.masthead-person .role {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--lichen);
  display: block;
  margin-bottom: 0.9rem;
}
.masthead-person p { font-size: var(--t-small); color: var(--graphite); margin: 0; max-width: 62ch; }

.contact-block { display: grid; gap: 1.75rem; }
.contact-block h3 {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.7rem;
  color: var(--ink);
}
.contact-block p, .contact-block address {
  font-style: normal;
  font-size: var(--t-small);
  color: var(--graphite);
  margin: 0;
  line-height: 1.8;
}

/* ---------- 12. POLICIES ---------- */

.policy-toc { border-top: var(--hair); border-bottom: var(--hair); padding-block: 1.5rem; }
.policy-toc h2 {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.policy-toc ol { display: grid; gap: 0.5rem 2rem; counter-reset: toc; }
.policy-toc li { counter-increment: toc; font-size: var(--t-small); }
.policy-toc li::before {
  content: "0" counter(toc) " ";
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  color: var(--graphite);
  letter-spacing: 0.1em;
}
.policy-toc a { color: var(--ink); text-decoration-color: var(--rule); }
.policy-toc a:hover { color: var(--lichen); }

.policy { padding-block: clamp(2.5rem, 5vw, 3.5rem); border-top: var(--hair-ink); scroll-margin-top: 5rem; }
.policy > * { max-width: var(--measure); }
.policy h2 { font-size: var(--t-h2); margin: 0 0 1.25rem; }
.policy h3 {
  font-family: var(--mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 2.25rem 0 0.85rem;
  padding-top: 0.85rem;
  border-top: var(--hair);
}
.policy ul.bullets { margin: 0 0 1.25em; }
.policy ul.bullets li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--graphite);
  font-size: var(--t-small);
}
.policy ul.bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--lichen);
  font-family: var(--mono);
}
.policy .emphatic {
  border: var(--hair-ink);
  background: var(--vellum);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: 1.5rem;
}
.policy .emphatic p:last-child { margin-bottom: 0; }

/* ---------- 13. FOOTER ---------- */

.site-footer {
  border-top: var(--hair-ink);
  background: var(--vellum);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2.25rem;
  margin-top: 0;
}
.footer-top { display: grid; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: var(--hair); }
.footer-brand p {
  font-family: var(--display);
  font-style: italic;
  color: var(--graphite);
  margin: 1rem 0 0;
  font-size: var(--t-small);
}
.footer-cols { display: grid; gap: 2.25rem; }
.footer-col h2 {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 1rem;
}
.footer-col li { margin-bottom: 0.55rem; }
.footer-col a, .footer-col address, .footer-col span {
  font-size: var(--t-small);
  color: var(--graphite);
  text-decoration: none;
  font-style: normal;
  line-height: 1.65;
}
.footer-col a:hover { color: var(--lichen); text-decoration: underline; }

.footer-signup { padding-block: 2.25rem; border-bottom: var(--hair); }
.footer-signup h2 {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
}
.footer-signup .field input { background: var(--paper); }

.social { display: flex; gap: 1rem; align-items: center; margin-top: 1.5rem; }
.social a {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: var(--hair);
  color: var(--graphite);
}
.social a:hover { border-color: var(--lichen); color: var(--lichen); }
.social svg { width: 15px; height: 15px; }

.disclaimer {
  padding-block: 2.25rem;
  border-bottom: var(--hair);
}
.disclaimer p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--graphite);
  max-width: 86ch;
  margin: 0;
}

.footer-base {
  padding-top: 1.75rem;
  display: grid;
  gap: 0.75rem;
}
.footer-base p {
  font-family: var(--mono);
  font-size: var(--t-mono-sm);
  letter-spacing: 0.08em;
  color: var(--graphite);
  margin: 0;
  line-height: 1.8;
}

/* ---------- 14. BREAKPOINTS ---------- */

@media (min-width: 640px) {
  :root { --t-body: 1.09375rem; }
  .teasers { grid-template-columns: repeat(2, 1fr); column-gap: var(--gap); }
  .teaser { border-bottom: var(--hair); }
  .steps { grid-template-columns: repeat(2, 1fr); column-gap: var(--gap); }
  .snapshot .row { grid-template-columns: 15rem 1fr; gap: 1rem; align-items: baseline; }
  .entry { grid-template-columns: 15rem 1fr; gap: 1.75rem; align-items: start; }
  .author-card { grid-template-columns: 76px 1fr; gap: 1.5rem; }
  .masthead-person { grid-template-columns: 104px 1fr; gap: 1.75rem; }
  .policy-toc ol { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .contact-block { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

@media (min-width: 900px) {
  :root { --t-body: 1.125rem; }
  .lead-feature { grid-template-columns: 1fr 1fr; align-items: center; }
  .teasers { grid-template-columns: repeat(4, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .steps .step { padding-inline-end: 1.25rem; }
  .index-two { columns: 2; column-gap: var(--gap); }
  .index-two > li { break-inside: avoid; }
  .entries { grid-template-columns: repeat(2, 1fr); column-gap: var(--gap); }
  .entry { grid-template-columns: 1fr; gap: 1.1rem; }
  .lead-card-inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
  .footer-top { grid-template-columns: 1fr 2.4fr; gap: 3.5rem; }
  .footer-cols { grid-template-columns: repeat(4, 1fr); }
  .policy-toc ol { grid-template-columns: repeat(3, 1fr); }
  .contact-block { grid-template-columns: repeat(3, 1fr); }
  .article-head h1 { font-size: clamp(2.8rem, 5vw, 4.1rem); }
}

@media (min-width: 1180px) {
  .library-layout {
    display: grid;
    grid-template-columns: 15rem 1fr;
    gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }
  .toc-sticky {
    display: block;
    position: sticky;
    top: 2.5rem;
    border-top: var(--hair-ink);
    padding-top: 1.25rem;
  }
  .toc-sticky h2 {
    font-family: var(--mono);
    font-size: var(--t-mono-sm);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin: 0 0 1rem;
  }
  .toc-sticky li { counter-increment: toci; }
  .toc-sticky ol { counter-reset: toci; }
  .toc-sticky a {
    display: block;
    padding-block: 0.42rem;
    font-size: 0.9rem;
    color: var(--graphite);
    text-decoration: none;
    line-height: 1.4;
  }
  .toc-sticky a::before {
    content: "0" counter(toci);
    font-family: var(--mono);
    font-size: var(--t-mono-sm);
    color: var(--rule);
    margin-right: 0.6rem;
  }
  .toc-sticky a:hover { color: var(--lichen); }
  .toc-sticky a:hover::before { color: var(--lichen); }

  /* article: true margin column for marginal notes */
  .article-body {
    display: grid;
    grid-template-columns: minmax(0, var(--measure)) 15rem;
    column-gap: clamp(2rem, 4vw, 3.5rem);
    row-gap: 0;
    align-items: start;
  }
  .article-body > * { grid-column: 1; }
  .article-body > .pullquote-inline {
    grid-column: 1 / -1;
    max-width: none;
  }
  .article-body > .pullquote-inline p { max-width: 30ch; }
  .article-body > .marginal {
    grid-column: 2;
    border-left: 0;
    border-top: var(--hair-ink);
    padding: 1rem 0 0;
    margin: 0.5rem 0 0;
    font-size: var(--t-mono-sm);
    line-height: 2;
    position: sticky;
    top: 3rem;
  }

  /* numbered markers pulled into the margin on long pages */
  .numbered--margin > .step { padding-left: 4.5rem; }
  .numbered--margin > .step::before {
    position: absolute;
    left: 0;
    top: 2rem;
    margin: 0;
  }

  .steps { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1440px) {
  :root { --band: 8rem; }
  .hero { padding-block: 8rem 5rem; }
}

/* ---------- 15. MOTION + PRINT ---------- */

@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;
  }
}

@media print {
  .site-header, .site-footer, .progress, .signup, .footer-signup, .toc-sticky { display: none; }
  body { background: #fff; font-size: 11pt; }
  a { color: #000; text-decoration: none; }
  .band { padding-block: 1rem; }
}