:root {
  --paper: #f3f0e8; --ink: #273729; --muted: #5d6559; --rule: #c8cbbb;
  --blue: #304d69; --cream: #e8e0ca; --green: #dfe5d3;
  color-scheme: light; font-family: Arial, Helvetica, sans-serif; color: var(--ink);
  background: var(--paper); font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 5px; }
button, input { font: inherit; }
button, summary, input { cursor: pointer; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 3px solid var(--blue); outline-offset: 5px;
}
.wrap { width: min(1280px, calc(100% - 96px)); margin-inline: auto; }
.skip { position: fixed; top: -80px; left: 16px; z-index: 5; padding: 16px; background: white; }
.skip:focus { top: 16px; }
.masthead { min-height: 122px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.wordmark { position: relative; padding-left: 55px; font: 32px Georgia, serif; text-decoration: none; }
.wordmark svg { position: absolute; left: 0; top: 3px; width: 37px; fill: none; stroke: currentColor; stroke-width:
  1.3; }
.wordmark span { display: block; margin-top: 8px; font: 8px Arial, sans-serif; letter-spacing: 2px; }
nav { display: flex; gap: 40px; font-size: 13px; }
nav a { text-decoration: none; padding-block: 10px; }
nav a:last-child { border-bottom: 1px solid var(--ink); }
.hero { display: grid; grid-template-columns: 1.12fr 1fr; gap: 50px; padding: 55px 0 72px; align-items: center; }
.eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 2px; line-height: 1.6; }
.eyebrow span { display: inline-block; width: 7px; height: 7px; background: #7a854e; margin-right: 9px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font: clamp(50px, 5.7vw, 80px)/1.08 Georgia, 'Times New Roman', serif; letter-spacing: -3px; margin: 24px 0; }
h1 em { font-weight: normal; }
.intro { max-width: 390px; font-size: 16px; line-height: 1.75; color: var(--muted); margin: 27px 0; }
.text-link { font-size: 13px; font-weight: 600; text-decoration: none; border-bottom: 1px solid; padding-bottom: 9px; }
.text-link span { margin-left: 24px; }
.fabric-study { position: relative; aspect-ratio: 1/1.05; overflow: hidden; background: #d8dbcd; }
.study-label { position: absolute; inset: 21px 22px auto; font: 8px monospace; letter-spacing: 1px; z-index: 2; }
.study-label span { float: right; }
.cloth { position: absolute; box-shadow: 12px 18px 22px #26352026; border: 1px solid #ffffff30; }
.cloth::after { content: ''; position: absolute; inset: 12px; border: 1px dashed #ffffff60; }
.cloth-back {
  width: 70%; height: 64%; top: 14%; left: 8%; transform: rotate(-11deg); background-color: var(--cream);
  background-image: repeating-linear-gradient(0deg, #ffffff40 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, #61634c18 0 1px, transparent 1px 4px);
}
.cloth-front {
  width: 65%; height: 57%; top: 27%; left: 31%; transform: rotate(11deg); background-color: var(--blue);
  background-image: repeating-linear-gradient(0deg, #ffffff1a 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, #101e3330 0 1px, transparent 1px 4px),
    linear-gradient(90deg, transparent 46%, #faf3df99 46% 48%, transparent 48% 52%, #faf3df99 52% 54%, transparent 54%);
}
.needle { position: absolute; width: 68%; left: 2%; bottom: 14%; overflow: visible; }
.needle path { fill: none; stroke: #b0834d; stroke-width: 2; }
.needle .metal { stroke: #dddcc6; fill: #dddcc6; stroke-width: 1; }
.study-caption { position: absolute; bottom: 8px; left: 22px; font: italic 16px/1.3 Georgia, serif; }
.study-cross { position: absolute; right: 22px; bottom: 20px; font: 22px Georgia, serif; }
.principle { border-block: 1px solid var(--rule); display: flex; align-items: center; gap: 44px; padding: 24px 0; }
.principle span { text-transform: uppercase; letter-spacing: 1.5px; font-size: 9px; }
.principle p { margin: 0; font: italic 21px Georgia, serif; }
.notes { padding-top: 90px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 34px; }
h2 { font: 43px/1.15 Georgia, serif; letter-spacing: -1px; margin-bottom: 0; }
.section-heading > p { margin-bottom: 5px; color: var(--muted); font-size: 12px; line-height: 1.65; }
.note { display: grid; grid-template-columns: 80px 1fr 1.45fr; gap: 32px; border-top: 1px solid var(--rule); padding:
  37px 0; }
.note-index { font: 31px Georgia, serif; }
.note-index span { display: block; margin-top: 12px; font: 9px Arial, sans-serif; letter-spacing: 1.7px; }
h3 { font: 29px/1.2 Georgia, serif; letter-spacing: -.5px; margin-bottom: 16px; }
.note-title p { font-size: 11px; color: var(--muted); }
.note-body { font-size: 14px; line-height: 1.8; color: #485244; }
.note-body p { margin-bottom: 17px; }
details { border-block: 1px solid var(--rule); margin-top: 22px; }
summary { padding: 13px 0; list-style: none; font-size: 12px; font-weight: 600; color: var(--ink); }
summary::-webkit-details-marker { display: none; }
summary span { float: right; font-size: 17px; line-height: 20px; }
details[open] summary span { transform: rotate(45deg); }
details > p { padding-right: 20px; }
.checklist { margin-top: 42px; padding: 48px; background: var(--green); display: grid; grid-template-columns: 1fr
  1.25fr; gap: 60px; }
.checklist h2 { font-size: 52px; margin: 17px 0 22px; }
.checklist p:not(.eyebrow) { font-size: 13px; line-height: 1.7; }
.checklist .progress { display: inline-block; padding-top: 16px; margin: 12px 0 0; border-top: 1px solid #aeb99d; }
fieldset { margin: 0; padding: 0; border: 0; }
fieldset label { display: flex; gap: 16px; padding: 19px 0; border-bottom: 1px solid #b8c2a9; align-items: start; }
fieldset label:first-of-type { border-top: 1px solid #b8c2a9; }
input[type='checkbox'] { width: 19px; height: 19px; margin: 0; flex: 0 0 auto; accent-color: var(--ink); }
fieldset label > span { font-size: 14px; line-height: 1.4; }
fieldset small { display: block; color: #526048; font-size: 11px; margin-top: 6px; }
fieldset input:checked + span { text-decoration: line-through; }
fieldset input:checked + span small { text-decoration: none; }
button { padding: 15px 0 4px; background: none; border: none; color: var(--ink); font-size: 11px; text-align: left; }
button span { margin-left: 12px; font-size: 16px; }
.closing { display: flex; justify-content: center; align-items: center; gap: 25px; padding: 72px 0; }
.closing > span { font-size: 46px; color: #738259; }
.closing p { margin: 0; font: italic 24px/1.4 Georgia, serif; }
footer { display: flex; justify-content: space-between; align-items: start; gap: 30px; padding: 30px 0 40px;
  border-top: 1px solid var(--rule); }
.footer-brand { font: 23px Georgia, serif; text-decoration: none; }
footer p { font-size: 10px; line-height: 1.7; color: var(--muted); margin: 10px 0 0; }
footer > a { font-size: 10px; margin-top: 8px; white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip:
  rect(0,0,0,0); }
@media (max-width: 1000px) {
  .wrap { width: calc(100% - 64px); }
  .hero { gap: 30px; }
  h1 { font-size: 56px; letter-spacing: -2px; }
  .note { grid-template-columns: 50px 1fr 1.4fr; gap: 22px; }
  h3 { font-size: 25px; }
  .checklist { padding: 36px; gap: 30px; }
}
@media (max-width: 700px) {
  .wrap { width: calc(100% - 40px); }
  .masthead { min-height: 114px; flex-wrap: wrap; gap: 10px; padding: 23px 0 0; }
  .wordmark { font-size: 28px; padding-left: 44px; }
  .wordmark svg { width: 30px; }
  .wordmark span { font-size: 7px; letter-spacing: 1.6px; }
  nav { width: 100%; gap: 28px; font-size: 11px; margin-left: 44px; }
  nav a { padding-block: 9px; }
  .hero { grid-template-columns: 1fr; padding: 35px 0 34px; gap: 36px; }
  h1 { font-size: clamp(46px, 12.7vw, 72px); letter-spacing: -2px; margin: 18px 0; }
  .intro { font-size: 14px; line-height: 1.75; margin: 20px 0 28px; max-width: 380px; }
  .eyebrow { font-size: 8px; letter-spacing: 1.5px; }
  .fabric-study { aspect-ratio: 1.12/1; }
  .principle { display: block; padding: 21px 0; }
  .principle p { margin-top: 13px; font-size: 18px; line-height: 1.4; }
  .notes { padding-top: 48px; }
  .section-heading { display: block; margin-bottom: 27px; }
  h2 { font-size: 35px; }
  .section-heading > p { margin-top: 17px; font-size: 12px; }
  .section-heading > p br { display: none; }
  .note { grid-template-columns: 39px 1fr; gap: 18px; padding: 28px 0; }
  .note-index { font-size: 27px; }
  .note-index span { font-size: 8px; letter-spacing: 1px; }
  .note-title h3 { font-size: 28px; margin-bottom: 10px; }
  .note-title p { margin: 0; }
  .note-body { grid-column: 2; font-size: 13px; line-height: 1.8; }
  .checklist { margin-top: 22px; padding: 28px 22px; grid-template-columns: 1fr; gap: 23px; }
  .checklist h2 { font-size: 43px; margin: 13px 0 18px; }
  .checklist h2 br { display: none; }
  .checklist p br { display: none; }
  .checklist .progress { margin-top: 0; padding-top: 12px; }
  fieldset label { gap: 12px; padding-block: 17px; }
  fieldset label > span { font-size: 13px; }
  fieldset small { font-size: 11px; line-height: 1.5; }
  .closing { padding-block: 43px; gap: 15px; }
  .closing p { font-size: 18px; }
  .closing > span { font-size: 34px; }
  footer { flex-wrap: wrap; gap: 18px; padding-bottom: 25px; }
  footer > p { order: 3; width: 100%; margin-top: 0; }
  footer p br { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }