:root {
  --paper: #faf8f2; --panel: #efece3; --ink: #23352d; --muted: #5f685f;
  --line: #d5d8cd; --green: #254e3e; --deep: #193b2e; --accent: #aa4d32;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--sans); }
::selection { background: #dce6cf; color: var(--deep); }
.wrap { width: min(100%, 1200px); margin-inline: auto; padding-inline: 40px; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; }
h1 { font-size: clamp(2.9rem, 5.8vw, 5rem); line-height: 1.06; letter-spacing: -.045em; text-wrap: balance; }
h2 { font-size: clamp(2rem, 3.5vw, 3.1rem); line-height: 1.16; letter-spacing: -.03em; text-wrap: balance; }
h3 { font-size: 1.5rem; line-height: 1.25; letter-spacing: -.015em; }
p { max-width: 65ch; }
p + p { margin-top: 16px; }
ul, ol { margin: 0; padding-left: 1.2em; }
li + li { margin-top: 8px; }
a { color: var(--green); text-underline-offset: 5px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
a, button, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
[id] { scroll-margin-top: 28px; }
.skip-link { position: absolute; left: 20px; top: -100px; z-index: 5; padding: 12px 20px; background: var(--deep); color: white; }
.skip-link:focus { top: 12px; }
.eyebrow { font: 600 .72rem/1.5 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.section-tag { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.section-tag::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.lede { font-size: 1.16rem; line-height: 1.65; }
.muted, .note { color: var(--muted); }
.note { font-size: .88rem; line-height: 1.6; }
.stack { display: grid; gap: 22px; align-content: start; }
.stack > p + p { margin: 0; }
/* Navigation is visible on every screen size. */
.site-head { border-bottom: 1px solid var(--line); }
.bar { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--ink); font: 600 1.8rem/1 var(--serif); letter-spacing: -.055em; text-decoration: none; white-space: nowrap; }
.brand span { color: var(--accent); }
.bar nav { display: flex; align-items: center; gap: 28px; font-size: .87rem; }
.bar nav a:not(.btn) { color: var(--ink); text-decoration: none; padding-block: 10px; }
.bar nav a:not(.btn):hover, .bar nav a[aria-current="page"] { color: var(--accent); }
.bar nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 8px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 24px; border: 1px solid var(--green); background: var(--green); color: var(--paper); padding: 13px 22px; font-size: .92rem; font-weight: 600; line-height: 1.5; text-decoration: none; border-radius: 3px; }
.btn:hover { background: var(--deep); border-color: var(--deep); color: white; }
.btn.small { padding: 9px 16px; font-size: .84rem; }
.btn.light { background: var(--paper); color: var(--deep); border-color: var(--paper); }
.btn.light:hover { background: #e6ebdc; border-color: #e6ebdc; }
.text-link { font-size: .93rem; font-weight: 600; }
.text-link span { margin-left: 8px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 28px; }
/* A labelled illustration makes the collection method tangible. */
.home-hero { padding-block: 78px 70px; display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; gap: 70px; }
.hero-copy { display: grid; gap: 28px; }
.home-hero h1 em { color: var(--green); font-style: italic; }
.hero-copy .lede { max-width: 44ch; }
.reasoning-sheet { background: var(--panel); border: 1px solid var(--line); padding: 28px 30px 24px; position: relative; }
.sheet-top { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 20px; border-bottom: 1px solid #cbd0c2; }
.sheet-top .eyebrow { color: var(--green); }
.sheet-marker { color: var(--accent); font: italic 1.15rem/1 var(--serif); }
.observed { padding-block: 24px 22px; display: grid; grid-template-columns: 32px 1fr; gap: 13px; }
.step-mark { display: grid; place-items: center; width: 29px; height: 29px; border: 1px solid #b4c0b0; border-radius: 50%; font-size: .75rem; color: var(--green); }
.observed .eyebrow { margin-bottom: 4px; }
.observed p:last-child { font-size: 1rem; }
.spoken { position: relative; padding: 22px 0 27px 45px; border-top: 1px solid #cbd0c2; }
.spoken::before { content: "“"; position: absolute; top: 17px; left: 0; color: var(--accent); font: 4rem/1 var(--serif); }
.spoken .eyebrow { margin-bottom: 12px; }
.spoken blockquote { font: 1.46rem/1.45 var(--serif); letter-spacing: -.015em; }
.sheet-context { padding-top: 18px; border-top: 1px solid #cbd0c2; display: grid; gap: 6px; font-size: .84rem; }
.reasoning-sheet figcaption { margin-top: 20px; font-size: .73rem; line-height: 1.5; color: var(--muted); }
.status-strip { border-block: 1px solid var(--line); }
.status-inner { display: grid; grid-template-columns: 240px 1fr; gap: 30px; padding-block: 22px; align-items: start; font-size: .87rem; }
.status-label { font-weight: 600; display: flex; align-items: center; gap: 10px; }
.status-label::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }
/* Questions, data and process each have their own reading rhythm. */
.section { padding-block: 86px; }
.section + .section { border-top: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
.section-intro { display: grid; gap: 20px; align-content: start; }
.section-intro .eyebrow { margin-bottom: 4px; }
.section-intro h2 { max-width: 15ch; }
.reasoning-list { margin: 0; }
.reasoning-list > div { border-top: 1px solid var(--line); padding: 21px 0; display: grid; grid-template-columns: 125px 1fr; gap: 22px; }
.reasoning-list > div:first-child { padding-top: 0; border-top: 0; }
.reasoning-list dt { font-family: var(--serif); font-size: 1.35rem; line-height: 1.35; }
.reasoning-list dd { margin: 0; color: var(--muted); }
.reasoning-list dd strong { color: var(--ink); font-weight: 500; }
.green-section { background: var(--green); color: var(--paper); }
.green-section .eyebrow, .green-section .note { color: #c7d2bd; }
.green-section h2 { max-width: 20ch; }
.green-section a:not(.btn) { color: var(--paper); }
.green-section .split { grid-template-columns: 1.2fr 1fr; gap: 90px; align-items: start; }
.spectrum { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; border-top: 1px solid #738b75; margin-top: 28px; padding-top: 17px; font-size: .82rem; }
.spectrum span::before { content: "·"; margin-right: 9px; color: #d0d9a9; }
.package-summary { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 38px; border-top: 1px solid var(--line); }
.package-summary > div { padding: 26px 28px 0 0; }
.package-summary > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.package-summary h3 { margin-bottom: 12px; }
.package-summary p { font-size: .95rem; color: var(--muted); }
.section-top { display: flex; align-items: end; justify-content: space-between; gap: 28px; }
.section-top h2 { max-width: 22ch; }
.callout { padding: 48px; background: var(--panel); display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.callout h2 { max-width: 19ch; }
.callout .actions { margin-top: 22px; }
.contact-options label { display: block; margin-top: 20px; }
.contact-address { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 6px; }
.contact-address input { width: min(100%, 23ch); padding: 8px 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--paper); color: var(--ink); font: inherit; }
.contact-address button { cursor: pointer; }
.contact-address button[hidden], .contact-status:empty { display: none; }
.contact-options .contact-status, .contact-options .actions { margin-top: 10px; }
.site-foot { padding-block: 38px 30px; border-top: 1px solid var(--line); }
.foot-top { display: flex; justify-content: space-between; align-items: start; gap: 30px; }
.foot-brand { display: grid; gap: 14px; }
.foot-brand .brand { font-size: 1.6rem; }
.foot-brand p { font-size: .85rem; color: var(--muted); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: .86rem; }
.foot-bottom { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; font-size: .77rem; color: var(--muted); }
/* Interior pages. */
.page-hero { padding-block: 66px 58px; display: grid; gap: 24px; }
.page-hero h1 { max-width: 17ch; }
.page-hero .lede { max-width: 62ch; }
.page-hero .actions { margin-top: 6px; }
.page-hero .notice { margin: 0; }
.notice { display: flex; align-items: center; gap: 9px; font-size: .83rem; color: var(--green); }
.notice::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }
.jump-nav { border-block: 1px solid var(--line); }
.jump-nav .wrap { display: flex; flex-wrap: wrap; gap: 8px 30px; padding-block: 16px; }
.jump-nav a { font-size: .83rem; text-decoration: none; padding-block: 4px; }
.jump-nav a:hover { text-decoration: underline; }
.questions { margin: 0; }
.questions > div { display: grid; grid-template-columns: 38px 165px 1fr; gap: 20px; padding-block: 24px; border-top: 1px solid var(--line); }
.questions > div:first-child { border-top: 0; padding-top: 0; }
.questions .number { font-size: .77rem; color: var(--accent); padding-top: 4px; font-variant-numeric: tabular-nums; }
.questions dt { font: 1.3rem/1.35 var(--serif); }
.questions dd { margin: 0; }
.question-intro { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; padding-bottom: 38px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.question-intro h2 { max-width: 17ch; }
.quiet-note { padding: 18px 22px; border-left: 2px solid var(--accent); background: var(--panel); font-size: .93rem; margin-top: 24px; }
.journey { margin: 34px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.journey li { position: relative; border-top: 1px solid var(--line); padding: 24px 20px 0 0; margin: 0; }
.journey li::before { content: ""; position: absolute; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.journey .eyebrow { display: block; margin-bottom: 12px; font-size: .64rem; }
.journey h3 { font-size: 1.25rem; margin-bottom: 10px; }
.journey p { font-size: .88rem; color: var(--muted); }
.data-list { margin: 0; border-top: 1px solid var(--line); }
.data-list > div { display: grid; grid-template-columns: 240px 1fr; gap: 40px; padding-block: 26px; border-bottom: 1px solid var(--line); }
.data-list dt { font: 1.45rem/1.3 var(--serif); }
.data-list dd { margin: 0; }
.data-list dd .note { margin-top: 8px; }
.process { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.process li { counter-increment: step; display: grid; grid-template-columns: 34px 1fr; gap: 20px; padding-block: 24px; border-top: 1px solid var(--line); margin: 0; }
.process li:first-child { border-top: 0; padding-top: 0; }
.process li::before { content: "0" counter(step); color: var(--accent); font-size: .8rem; padding-top: 4px; }
.process h3 { margin-bottom: 8px; }
.process p { color: var(--muted); }
.two-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 50px; }
.two-columns h3 { margin-bottom: 15px; }
.two-columns p, .two-columns li { font-size: .97rem; }
.detail-list { margin-top: 28px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; padding: 19px 30px 19px 0; font-weight: 600; font-size: .95rem; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 14px; color: var(--accent); font-size: 1.4rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details > div { padding: 0 28px 24px 0; font-size: .93rem; color: var(--muted); }
.member-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.member-controls span { padding: 6px 13px; border: 1px solid var(--line); border-radius: 3px; font-size: .8rem; background: var(--paper); }
.principles { display: grid; gap: 28px; }
.principles h3 { margin-bottom: 10px; }
.founder { padding-top: 26px; border-top: 1px solid var(--line); margin-top: 26px; display: grid; gap: 4px; }
.founder .name { font: 1.45rem/1.4 var(--serif); }
.founder p + p { margin: 0; }
.data-list dt .eyebrow { display: block; margin-top: 6px; font-family: var(--sans); font-size: .66rem; }
.walk dd { font: 1.16rem/1.5 var(--serif); }
.two-columns li { margin-top: 12px; }
.section-intro ul { font-size: .95rem; }
@media (min-width: 1400px) { .home-hero { padding-block: 95px 85px; } }
@media (max-width: 1000px) {
  .wrap { padding-inline: 28px; }
  .home-hero { gap: 36px; }
  .split, .green-section .split { gap: 45px; }
  .reasoning-sheet { padding: 24px; }
  .spoken blockquote { font-size: 1.28rem; }
  .bar nav { gap: 20px; }
  .questions > div { grid-template-columns: 28px 145px 1fr; gap: 18px; }
  .callout { gap: 35px; padding: 38px; }
  .journey { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 0; }
}
@media (max-width: 760px) {
  .wrap { padding-inline: 22px; }
  .bar { padding-block: 20px 16px; min-height: 0; flex-wrap: wrap; gap: 14px; }
  .bar .brand { font-size: 1.7rem; }
  .bar nav { width: 100%; justify-content: space-between; gap: 8px; font-size: .82rem; }
  .bar nav .btn.small { font-size: .75rem; padding: 7px 10px; }
  .home-hero { grid-template-columns: 1fr; gap: 38px; padding-block: 44px; }
  h1 { font-size: clamp(2.9rem, 8.4vw, 4.3rem); }
  .home-hero h1 { max-width: 15ch; }
  .hero-copy { gap: 23px; }
  .hero-copy .lede { max-width: 55ch; }
  .reasoning-sheet { max-width: 560px; width: 100%; }
  .spoken blockquote { font-size: 1.4rem; }
  .status-inner { grid-template-columns: 1fr; gap: 8px; }
  .section { padding-block: 54px; }
  .split, .green-section .split, .question-intro, .callout { grid-template-columns: 1fr; gap: 32px; }
  .section-intro h2 { max-width: 22ch; }
  .section-tag { margin-bottom: 20px; }
  .reasoning-list > div { grid-template-columns: 115px 1fr; gap: 20px; }
  .section-top { align-items: start; flex-direction: column; gap: 20px; }
  .package-summary { grid-template-columns: 1fr; margin-top: 24px; }
  .package-summary > div { padding: 24px 0; }
  .package-summary > div + div { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0; }
  .callout { padding: 30px; }
  .foot-top { flex-direction: column; gap: 25px; }
  .page-hero { padding-block: 44px; }
  .questions > div { grid-template-columns: 28px 1fr; gap: 8px 15px; }
  .questions dd { grid-column: 2; }
  .questions .number { grid-row: 1 / span 2; }
  .question-intro { padding-bottom: 28px; }
  .journey { grid-template-columns: 1fr; margin-top: 30px; gap: 0; }
  .journey li { margin-left: 3px; border-top: 0; border-left: 1px solid var(--line); padding: 0 0 28px 25px; }
  .journey li:last-child { padding-bottom: 0; }
  .journey li::before { left: -4px; top: 6px; }
  .journey .eyebrow { margin-bottom: 5px; }
  .journey h3 { margin-bottom: 6px; }
  .journey p { max-width: 50ch; }
  .data-list > div { grid-template-columns: 1fr; gap: 12px; padding-block: 23px; }
  .two-columns { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 380px) {
  .wrap { padding-inline: 18px; }
  .bar nav { flex-wrap: wrap; justify-content: flex-start; gap: 6px 20px; }
  .bar nav .btn.small { margin-top: 4px; }
  .reasoning-list > div { grid-template-columns: 1fr; gap: 7px; }
  .reasoning-sheet { padding: 22px; }
  .spoken { padding-left: 30px; }
  .callout { padding: 25px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
