:root {
  --paper: #f4f1e9;
  --white: #fbfaf6;
  --ink: #17382f;
  --ink-soft: #486159;
  --line: #c9c9bc;
  --sage: #dce2d4;
  --rust: #a95732;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgba(23, 56, 47, .16);
  background: rgba(244, 241, 233, .96);
}
.header-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .22em;
  text-decoration: none;
  white-space: nowrap;
}
.nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 22px; }
.nav a {
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { border-color: var(--rust); }

.eyebrow {
  display: block;
  margin-bottom: 24px;
  color: var(--rust);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1, h2, h3, blockquote {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.08;
}
h1 { max-width: 970px; margin-bottom: 32px; font-size: clamp(56px, 8vw, 112px); letter-spacing: -.055em; }
h2 { margin-bottom: 24px; font-size: clamp(38px, 5vw, 68px); letter-spacing: -.035em; }
h3 { margin-bottom: 12px; font-size: 29px; }
p { margin: 0 0 22px; }
.lede { max-width: 760px; color: var(--ink-soft); font-size: clamp(20px, 2vw, 27px); line-height: 1.5; }
.measure { max-width: 750px; }
.small { color: var(--ink-soft); font-size: 14px; }
.rule { border-top: 1px solid var(--line); }
.button-link {
  display: inline-block;
  padding: 12px 0 8px;
  border-bottom: 1px solid var(--rust);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}

.hero { padding: clamp(100px, 13vw, 190px) 0 120px; }
.hero h1 span { color: var(--rust); }
.hero-note {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.hero-note p:last-child { margin: 0; }
.section { padding: 110px 0; }
.section.white { background: var(--white); }
.section.dark { color: var(--paper); background: var(--ink); }
.intro-grid {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: clamp(48px, 8vw, 120px);
  align-items: start;
}
.question-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
}
.question-list span {
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: 13px;
}

.featured-grid, .index-list { margin-top: 60px; border-top: 1px solid var(--line); }
.featured-row, .index-row {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 48px;
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.featured-row:hover h3, .index-row:hover h3 { color: var(--rust); }
.featured-row p, .index-row p { margin-bottom: 0; color: var(--ink-soft); }
.meta {
  margin-bottom: 12px;
  color: var(--rust);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.status { display: inline-block; margin-top: 16px; color: var(--ink-soft); font-size: 13px; }

.page-hero { padding: 110px 0 90px; }
.page-hero h1 { font-size: clamp(52px, 7vw, 94px); }
.page-hero .lede { margin-bottom: 0; }
.case-hero {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 70px;
  padding: 100px 0 80px;
}
.case-hero h1 { font-size: clamp(50px, 7vw, 92px); }
.case-meta { padding-top: 12px; border-top: 1px solid var(--line); }
.case-meta dl { margin: 0; }
.case-meta div { display: grid; grid-template-columns: 110px 1fr; padding: 13px 0; border-bottom: 1px solid var(--line); }
.case-meta dt { color: var(--ink-soft); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.case-meta dd { margin: 0; }
.document-stage {
  display: grid;
  place-items: center;
  padding: clamp(34px, 7vw, 90px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.document-cover {
  width: min(100%, 1040px);
  height: auto;
  object-fit: contain;
  box-shadow: 0 16px 50px rgba(23, 56, 47, .13);
}

.case-section { padding: 90px 0; border-top: 1px solid var(--line); }
.case-grid {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: clamp(48px, 8vw, 120px);
}
.case-copy { max-width: 750px; }
.pullquote {
  margin: 50px 0 0;
  padding-left: 28px;
  border-left: 2px solid var(--rust);
  font-size: clamp(28px, 4vw, 48px);
}
.framework-box {
  margin-top: 42px;
  padding: 36px;
  background: var(--sage);
}
.framework-box ol { margin: 0; padding-left: 22px; }
.framework-box li { margin: 12px 0; }

.thread {
  margin-top: 55px;
  border-top: 1px solid var(--line);
}
.thread-item {
  display: grid;
  grid-template-columns: 85px 1fr 150px;
  gap: 28px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
}
.thread-number { color: var(--rust); font-family: Georgia, serif; font-size: 24px; }
.thread-item h3 { font-size: 24px; }
.thread-item p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.thread-state { color: var(--ink-soft); font-size: 12px; letter-spacing: .1em; text-align: right; text-transform: uppercase; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 55px;
}
.card {
  min-height: 290px;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--white);
  text-decoration: none;
}
.card:hover { border-color: var(--rust); }
.card h3 { margin-top: 50px; }
.card p { color: var(--ink-soft); font-size: 15px; }
.diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 48px 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.diagram div { padding: 28px; background: var(--white); }
.diagram strong { display: block; margin-bottom: 8px; font-family: Georgia, serif; font-size: 25px; font-weight: 400; }

.artifact-list { margin-top: 40px; }
.artifact {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.artifact:last-child { border-bottom: 1px solid var(--line); }
.artifact strong { font-family: Georgia, serif; font-size: 23px; font-weight: 400; }
.artifact span { color: var(--rust); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.artifact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 28px;
}
.artifact-actions a {
  padding-bottom: 5px;
  border-bottom: 1px solid var(--rust);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.relationship-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 44px;
  border: 1px solid var(--line);
  background: var(--line);
}
.relationship-group { padding: 28px; background: var(--paper); }
.relationship-group h3 {
  margin-bottom: 22px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.relationship-group a {
  display: block;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  line-height: 1.25;
  text-decoration: none;
}
.relationship-group a:hover { color: var(--rust); }
.continuing {
  margin-top: 48px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(27px, 4vw, 42px);
}
.reader {
  display: block;
  width: 100%;
  height: min(82vh, 1000px);
  border: 1px solid var(--line);
  background: white;
}
.observation {
  max-width: 900px;
  margin: 46px 0;
  padding: 35px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(30px, 5vw, 55px);
  line-height: 1.14;
}
.observed-in {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.observed-in a {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  font-size: 13px;
  text-decoration: none;
}
.observed-in a:hover { border-color: var(--rust); }

.philosophy {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}
.philosophy::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -120px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(244, 241, 233, .22);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 0 70px rgba(244,241,233,.06), 0 0 0 150px rgba(244,241,233,.04);
}
.philosophy .measure { position: relative; z-index: 1; }
.philosophy blockquote { margin: 0 0 34px; font-size: clamp(38px, 6vw, 74px); }

.engagement-list { counter-reset: engage; margin-top: 55px; }
.engagement {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.engagement::before {
  counter-increment: engage;
  content: "0" counter(engage);
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 22px;
}
.engagement h3 { font-size: 26px; }
.engagement p { max-width: 680px; color: var(--ink-soft); }

.confidentiality {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 45px;
  border: 1px solid var(--line);
  background: var(--line);
}
.confidentiality div { padding: 28px; background: var(--paper); }
.confidentiality h3 { font-size: 24px; }

.site-footer { padding: 65px 0 35px; color: var(--paper); background: var(--ink); }
.footer-main { display: flex; justify-content: space-between; gap: 50px; margin-bottom: 70px; }
.footer-main p { max-width: 550px; font-family: Georgia, serif; font-size: clamp(28px, 4vw, 48px); line-height: 1.15; }
.footer-nav { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 30px; align-content: start; }
.footer-nav a { color: var(--paper); font-size: 13px; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding-top: 25px; border-top: 1px solid rgba(244,241,233,.22); color: rgba(244,241,233,.65); font-size: 12px; }

@media (max-width: 880px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 26px 0; }
  .nav { justify-content: flex-start; gap: 12px 18px; }
  .hero-note, .intro-grid, .featured-row, .index-row, .case-hero, .case-grid { grid-template-columns: 1fr; }
  .cards, .confidentiality, .relationship-grid { grid-template-columns: 1fr; }
  .thread-item { grid-template-columns: 55px 1fr; }
  .thread-state { grid-column: 2; text-align: left; }
  .diagram { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .shell { width: min(calc(100% - 30px), var(--max)); }
  body { font-size: 16px; }
  h1 { font-size: 52px; }
  .hero, .section, .page-hero { padding: 75px 0; }
  .footer-main { flex-direction: column; }
  .footer-bottom { flex-direction: column; }
}