/* Fonts are served from this site; nothing is requested from third parties.
   Latin subsets only, and only the weights and styles the site uses.
   Licensed under the SIL Open Font License (see assets/fonts). */
@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url(/assets/fonts/newsreader-latin-opsz-normal.woff2) format('woff2');
}
@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 400 500;
  font-display: swap;
  src: url(/assets/fonts/newsreader-latin-opsz-italic.woff2) format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2');
}
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');
}

:root {
  --ink: #171A21;
  --ink-soft: #4A4E58;
  --paper: #E9E4D8;
  --paper-raised: #F2EEE3;
  --rule: #C6C0AE;
  --aubergine: #4B2142;
  --petrol: #1F5C55;
  --strike: #6B6556;
  --fine: #6A6658;
  --focus: #2B4C6F;
  --field-border: #7A7463;
}

:root[data-theme="dark"] {
  --ink: #E9E4D8;
  --ink-soft: #B9B4A6;
  --paper: #14161B;
  --paper-raised: #1B1E24;
  --rule: #3A3D34;
  --aubergine: #A57B9C;
  --petrol: #5FAFA3;
  --strike: #6E6A5C;
  --fine: #8B8674;
  --focus: #7FA8CE;
  --field-border: #8B8674;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

.serif { font-family: 'Newsreader', Georgia, serif; }
.mono { font-family: 'IBM Plex Mono', ui-monospace, monospace; }

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
}

.margin-line {
  position: relative;
}
.margin-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--rule);
}

/* Header */
header {
  border-bottom: 1px solid var(--rule);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 32px;
  max-width: 900px;
  margin: 0 auto;
}
.wordmark {
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.wordmark-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.mark-obelus {
  color: var(--ink);
  flex-shrink: 0;
}
.diaeresis-e {
  position: relative;
  display: inline-block;
  line-height: 1;
}
.diaeresis-e::before,
.diaeresis-e::after {
  content: "";
  position: absolute;
  top: -0.2em;
  width: 0.13em;
  height: 0.13em;
  border-radius: 50%;
  background: var(--ink);
}
.diaeresis-e::before { left: 0.02em; }
.diaeresis-e::after { left: 0.36em; }
nav {
  display: flex;
  gap: 22px;
  align-items: center;
}
nav a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
nav a:hover { color: var(--ink); border-color: var(--rule); }
.nav-cta {
  font-size: 0.9rem;
  padding: 9px 18px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links-mobile { display: none; }

/* Hero */
.hero {
  padding: 96px 32px 88px;
}
.hero-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.hero .clause-mark {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 22px;
}
h1.hero-title {
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 6px;
  max-width: 16ch;
}
h1.hero-title em {
  font-style: italic;
  color: var(--ink-soft);
}
.hero-sub {
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  margin: 22px 0 34px;
}
.cta-row { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 13px 24px;
  border-radius: 2px;
  font-size: 0.95rem;
}
.btn-secondary {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
}

/* Redline example section */
section.redline {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 72px 32px;
  background: var(--paper-raised);
}
.redline-inner { max-width: 900px; margin: 0 auto; }
.section-label {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.doc-card {
  border: 1px solid var(--rule);
  padding: 34px 36px;
  max-width: 640px;
  background: var(--paper);
}
.doc-line { margin: 0 0 18px; font-size: 1.02rem; }
.doc-line:last-child { margin-bottom: 0; }
.doc-tag {
  font-size: 0.78rem;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 6px;
}
.strike { color: var(--strike); text-decoration: line-through; text-decoration-thickness: 1px; }
.insert { color: var(--aubergine); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.redline-caption {
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 0.98rem;
  margin-top: 28px;
}
.redline-caption .fine { font-size: 0.82rem; color: var(--fine); display: block; margin-top: 10px; }

/* Clauses */
section.clauses {
  padding: 88px 32px;
}
.clauses-inner { max-width: 900px; margin: 0 auto; }
.clauses-heading {
  font-size: 1.7rem;
  font-weight: 500;
  max-width: 26ch;
  margin: 0 0 52px;
}
.clause {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--rule);
}
.clause:last-child { border-bottom: 1px solid var(--rule); }
.clause-num { font-size: 0.95rem; color: var(--ink-soft); padding-top: 3px; }
.clause-title { font-size: 1.15rem; font-weight: 500; margin: 0 0 8px; }
.clause-desc { color: var(--ink-soft); max-width: 56ch; margin: 0; }

/* Proof */
section.proof {
  border-top: 1px solid var(--rule);
  padding: 88px 32px;
  background: var(--paper-raised);
}
.proof-inner { max-width: 900px; margin: 0 auto; }
.proof-heading {
  font-size: 1.7rem;
  font-weight: 500;
  max-width: 24ch;
  margin: 0 0 48px;
}
.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px 56px;
}
.proof-stat {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 500;
  line-height: 1.1;
}
.proof-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 8px 0 12px;
}
.proof-desc { color: var(--ink-soft); font-size: 0.98rem; max-width: 42ch; margin: 0; }

/* Case study */
section.case-study { padding: 88px 32px; }
.case-study-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.case-study-heading {
  font-size: 1.7rem;
  font-weight: 500;
  max-width: 28ch;
  margin: 0 0 36px;
}
.case-study-inner p {
  max-width: 66ch;
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 22px;
}
.case-study-inner p:last-child { margin-bottom: 0; }
.case-study-fine { font-size: 0.82rem; color: var(--fine); margin-top: 28px !important; }

/* About */
section.about { border-top: 1px solid var(--rule); padding: 88px 32px; }
.about-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.about-inner p {
  max-width: 62ch;
  font-size: 1.08rem;
  color: var(--ink-soft);
}
.about-inner p strong { color: var(--ink); font-weight: 500; }

/* Contact */
section.contact-section {
  border-top: 1px solid var(--rule);
  padding: 88px 32px;
  background: var(--paper-raised);
}
.contact-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.contact-heading {
  font-size: 1.7rem;
  font-weight: 500;
  margin: 0 0 12px;
}
.contact-sub {
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 36px;
}
.contact-form {
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-row label {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
}
.form-row input,
.form-row textarea {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 0.98rem;
  padding: 11px 13px;
  border: 1px solid var(--field-border);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
}
.form-row textarea { resize: vertical; }
.contact-form button.btn-primary {
  align-self: flex-start;
  border: none;
  cursor: pointer;
  font: inherit;
}
.hidden-field { position: absolute; left: -9999px; }

/* Footer */
footer {
  border-top: 1px solid var(--rule);
  padding: 56px 32px 40px;
}
.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-left p { margin: 0 0 6px; color: var(--ink-soft); font-size: 0.92rem; }
.footer-fine { font-size: 0.8rem; color: var(--fine); margin-top: 18px; }

/* Nav needs more room than the rest of the layout: wordmark + links + CTA
   stop fitting below ~890px, so collapse to Insight and the CTA before that. */
@media (max-width: 900px) {
  nav a:not(.nav-cta):not(.nav-insight) { display: none; }
  .header-inner { flex-wrap: wrap; row-gap: 14px; }
}

@media (max-width: 720px) {
  .header-inner { padding: 18px 20px; }
  .nav-cta { padding: 8px 14px; font-size: 0.85rem; }
  .proof-grid { grid-template-columns: 1fr; gap: 34px; }
  .clause { grid-template-columns: 40px 1fr; gap: 14px; }
  .doc-card { padding: 26px 22px; }

  /* Desktop section rhythm is too loose on a phone: tighten the vertical
     padding and pull the content in from both edges evenly. */
  .hero { padding: 64px 20px 56px; }
  section.redline { padding: 52px 20px; }
  section.clauses,
  section.proof,
  section.case-study,
  section.about,
  section.contact-section { padding: 56px 20px; }
  footer { padding: 44px 20px 32px; }

  .hero-inner,
  .case-study-inner,
  .about-inner,
  .contact-inner { padding-left: 14px; }

  /* The margin rule sits flush to the screen edge on a phone, where it reads
     as an artefact rather than a margin. Pull it in beside the text. */
  .margin-line::before { left: 20px; }

  .clauses-heading { margin-bottom: 34px; }
  .proof-heading { margin-bottom: 32px; }
  .case-study-heading { margin-bottom: 26px; }
  .section-label { margin-bottom: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 100;
  text-decoration: none;
  font-size: 0.9rem;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Available to screen readers and heading navigation, not shown visually. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.proof-context {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--fine);
  margin: 0 0 10px;
}
.about-subhead {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--ink);
  margin: 48px 0 18px;
}
.pull-quotes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 40px 0 28px;
}
.pull-quote { margin: 0; border-left: 2px solid var(--petrol); padding-left: 20px; }
.pull-quote blockquote {
  margin: 0 0 12px;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.15rem;
  line-height: 1.45;
  color: var(--ink);
}
.pull-quote figcaption { font-family: 'IBM Plex Mono', monospace; font-size: 0.78rem; color: var(--ink-soft); }
@media (max-width: 720px) { .pull-quotes { grid-template-columns: 1fr; } }
header, .hero { --ink: #E9E4D8; --ink-soft: #C9D6D2; --paper: #1F5C55; --rule: rgba(233,228,216,0.28); --focus: #E9E4D8; background: #1F5C55; color: var(--ink); }
header { border-bottom-color: rgba(233,228,216,0.18); }
.hero-sub.hero-lead { margin-bottom: 0; }
.hero-sub.hero-bio { font-size: 1rem; margin-top: 18px; }
.clauses-heading + .clauses-intro { color: var(--ink-soft); max-width: 56ch; margin: -36px 0 44px; }
.workstyle { padding: 64px 32px 72px; }
.workstyle-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.workstyle .section-label { font-weight: 400; margin-top: 0; }
.scope-line { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.7; margin: 0 0 28px; }
.workstyle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.workstyle-item { border-top: 1px solid var(--rule); padding-top: 20px; }
.workstyle-item h3 { font-size: 1.05rem; font-weight: 500; margin: 0 0 8px; }
.workstyle-item p { color: var(--ink-soft); margin: 0; }
@media (max-width: 720px) { .workstyle-inner { padding-left: 0; } .workstyle-grid { grid-template-columns: 1fr; gap: 0; } .workstyle-item { padding: 20px 0; } }

/* Reading it again: carousel */
.redline-intro {
  max-width: 60ch;
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin: 0 0 32px;
}
.carousel { max-width: 640px; }
.carousel-viewport { display: grid; gap: 24px; }
.carousel-slide { min-width: 0; }
.resolve {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  margin-top: 4px;
}
.resolve .doc-tag { color: var(--petrol); }
.resolve-line {
  color: var(--petrol);
  font-weight: 500;
  font-size: 1.02rem;
  padding-left: 14px;
  border-left: 2px solid var(--petrol);
}
.carousel-controls { display: none; }

/* With JavaScript running, show one slide at a time. Slides share one grid
   cell so the card is always the height of the longest example and the page
   never jumps as it changes. */
.carousel.is-ready .carousel-viewport { gap: 0; }
.carousel.is-ready .carousel-slide {
  grid-area: 1 / 1;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.4s ease, visibility 0s linear 0.4s;
}
.carousel.is-ready .carousel-slide.is-active {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.4s ease, visibility 0s;
}
.carousel.is-ready .carousel-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.carousel-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--ink-soft);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}
.carousel-btn:hover { background: var(--ink); color: var(--paper); }
.carousel-dots { display: flex; gap: 2px; }
.carousel-dot {
  width: 28px;
  height: 44px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.carousel-dot::before {
  content: "";
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--ink-soft);
  background: transparent;
}
.carousel-dot[aria-current="true"]::before { background: var(--ink); border-color: var(--ink); }
.carousel-dot:hover::before { border-color: var(--ink); }
.carousel-pause {
  margin-left: auto;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 12px 0 2px;
  cursor: pointer;
}
.carousel-pause:hover { color: var(--ink); }
.carousel-pause[hidden] { display: none; }
.redline .redline-caption .fine { margin-top: 0; }

@media (prefers-reduced-motion: reduce) {
  .carousel.is-ready .carousel-slide,
  .carousel.is-ready .carousel-slide.is-active { transition: none; }
}

/* Home page teaser for the insight note */
.insight-teaser {
  margin-top: 44px;
  padding: 24px 0 0;
  border-top: 1px solid var(--rule);
  max-width: 56ch;
}
.insight-teaser .section-label { margin-bottom: 10px; }
.insight-teaser a {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 4px;
}
.insight-teaser a:hover { text-decoration-color: var(--ink); }
.insight-teaser p { color: var(--ink-soft); margin: 8px 0 0; }

/* Contact form privacy line */
.form-note { font-size: 0.85rem; color: var(--ink-soft); margin: -4px 0 0; }

/* Footer links */
.footer-links { display: flex; gap: 20px; margin: 0; padding: 0; list-style: none; }
.footer-links a { font-size: 0.92rem; color: var(--ink-soft); text-underline-offset: 3px; }
.footer-links a:hover { color: var(--ink); }

/* Current page in the navigation */
nav a[aria-current="page"] { color: var(--ink); border-color: var(--rule); }

/* Article pages: insight notes and the privacy notice */
.page-head { padding: 72px 32px 56px; }
.page-head-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.page-head .clause-mark { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 22px; }
.page-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.2;
  margin: 0;
  max-width: 22ch;
}
.page-head .page-meta { color: var(--ink-soft); font-size: 0.85rem; margin: 18px 0 0; }
.page-head { --ink: #E9E4D8; --ink-soft: #C9D6D2; --paper: #1F5C55; --rule: rgba(233,228,216,0.28); --focus: #E9E4D8; background: #1F5C55; color: var(--ink); }

.article { padding: 72px 32px 88px; }
.article-inner { max-width: 900px; margin: 0 auto; padding-left: 24px; }
.article-inner > * { max-width: 66ch; }
.article-inner p,
.article-inner li { font-size: 1.08rem; color: var(--ink-soft); }
.article-inner p { margin: 0 0 22px; }
.article-inner h2 {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  margin: 52px 0 18px;
}
.article-inner ol,
.article-inner ul { padding-left: 1.4em; margin: 0 0 22px; }
.article-inner li { margin-bottom: 10px; }
.article-inner li::marker { color: var(--ink); font-family: 'IBM Plex Mono', monospace; font-size: 0.9em; }
.article-inner a { color: var(--ink); text-underline-offset: 3px; }

.lead-quote {
  margin: 0 0 48px;
  padding: 0 0 36px;
  border-bottom: 1px solid var(--rule);
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: clamp(1.45rem, 2.8vw, 1.95rem);
  line-height: 1.35;
  color: var(--ink);
}
.lead-quote p { margin: 0; font-size: inherit; color: inherit; }
.inline-quote {
  margin: 36px 0 40px;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--petrol);
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.35;
  color: var(--ink);
}
.sign-off {
  margin-top: 44px !important;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 1.15rem !important;
  color: var(--ink) !important;
}
.article-cta { margin-top: 36px; }
.article-cta .btn-primary { color: var(--paper); text-decoration: none; }

.privacy-section h2 { font-size: 1.3rem; margin-top: 44px; }
.privacy-section h2:first-child { margin-top: 0; }

@media (max-width: 720px) {
  .page-head { padding: 52px 20px 44px; }
  .article { padding: 52px 20px 64px; }
  .page-head-inner,
  .article-inner { padding-left: 14px; }
  .lead-quote { margin-bottom: 36px; padding-bottom: 28px; }
  .inline-quote { font-size: 1.3rem; padding-left: 16px; }
  .carousel-pause { margin-left: 0; }
}

/* On inner pages the wordmark links back to the home page */
a.wordmark-group { text-decoration: none; color: inherit; }