:root {
  color-scheme: light;
  --paper: #f5f3eb;
  --ink: #263c33;
  --muted: #536258;
  --accent: #a64c33;
  --line: #d3d7cb;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: inherit; text-underline-offset: .22em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: #d7dfcc; color: var(--ink); }
p, h1, h2, h3 { margin: 0; }
.page-shell { max-width: 1240px; margin: auto; padding: 0 56px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 10px 16px; background: var(--ink); color: var(--paper); z-index: 10; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; align-items: center; gap: 13px; font: 23px/1.2 var(--serif); text-decoration: none; white-space: nowrap; }
.brand-mark { width: 38px; height: 38px; color: var(--accent); }
nav { display: flex; gap: 28px; font-size: 14px; }
nav a { text-decoration: none; padding: 5px 0; }
.nav-github { color: var(--accent); }
.nav-sponsor { color: var(--accent); font-weight: 600; }
.hero { display: grid; grid-template-columns: 1.65fr 1fr; gap: 65px; align-items: center; padding: 90px 0 95px; }
.eyebrow { font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.open-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: 1px; }
h1 { max-width: 710px; margin: 24px 0; font: 400 clamp(48px, 5.5vw, 76px)/1.08 var(--serif); letter-spacing: -.045em; }
h1 em { color: var(--accent); font-weight: 400; }
.hero-intro { max-width: 530px; font-size: 18px; color: var(--muted); line-height: 1.75; margin-bottom: 30px; }
.text-link { display: inline-flex; gap: 12px; align-items: center; font-size: 14px; font-weight: 500; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 3px; }
.hero-aside { text-align: center; padding-top: 20px; }
.aside-caption { font-size: 10px; text-transform: uppercase; letter-spacing: .17em; color: var(--muted); }
.open-illustration { width: 100%; max-width: 360px; display: block; margin: 12px auto 0; }
.hero-aside p { font: italic 19px/1.45 var(--serif); color: var(--muted); }
.projects-section { border-top: 1px solid var(--ink); padding-top: 37px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 40px; }
h2 { font: 400 43px/1.15 var(--serif); letter-spacing: -.035em; margin-top: 12px; }
.section-heading > .text-link { flex-shrink: 0; margin-bottom: 6px; }
.project-row { display: grid; grid-template-columns: 40px minmax(190px, .75fr) minmax(0, 1.25fr); gap: 28px; padding: 34px 0 37px; border-top: 1px solid var(--line); }
.project-number { color: var(--muted); font: 12px/1.5 monospace; padding-top: 7px; }
.project-identity h3 { font: 400 31px/1.2 var(--serif); letter-spacing: -.025em; }
.project-identity h3 a { text-decoration: none; }
.project-identity h3 span { font: 16px var(--sans); color: var(--accent); vertical-align: 5px; margin-left: 6px; }
.project-category { font-size: 13px; color: var(--muted); margin-top: 7px; }
.language-label { display: inline-block; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; padding: 1px 8px; border: 1px solid var(--line); border-radius: 3px; margin-top: 16px; }
.project-description > p { color: var(--muted); max-width: 520px; }
.project-links { display: flex; flex-wrap: wrap; gap: 9px 24px; margin-top: 18px; }
.project-links a { font-size: 12px; text-decoration: none; border-bottom: 1px solid var(--line); padding: 2px 0; }
.project-links span { color: var(--accent); margin-left: 3px; }
.project-note { padding: 19px 0 0 68px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); max-width: 900px; }
.approach-section { padding: 85px 0 75px; }
.section-intro { max-width: 405px; font-size: 16px; color: var(--muted); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 35px; margin: 40px 0 30px; }
.principles article { border-top: 1px solid var(--line); padding-top: 21px; }
.principle-label { color: var(--accent); font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; }
.principles h3 { font: 400 24px/1.3 var(--serif); letter-spacing: -.02em; margin: 11px 0 12px; }
.principles p { color: var(--muted); font-size: 14px; }
.support-section { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: center; border-top: 1px solid var(--line); padding: 36px 0 48px; }
.support-section h2 { font-size: 35px; }
.support-section p:not(.eyebrow) { max-width: 650px; color: var(--muted); font-size: 15px; margin-top: 16px; }
.contribute-section { display: grid; grid-template-columns: 1.5fr 1fr; gap: 50px; align-items: center; padding: 43px 45px 46px; background: var(--ink); color: var(--paper); border-radius: 3px; }
.contribute-section .eyebrow { color: #c3d0b8; }
.contribute-section h2 { font-size: 42px; }
.contribute-section p:not(.eyebrow) { color: #d8dfd4; font-size: 15px; margin-top: 16px; max-width: 490px; }
.contribute-links { display: flex; align-items: flex-start; flex-direction: column; gap: 20px; justify-self: end; }
.button { display: inline-flex; align-items: center; gap: 42px; padding: 12px 19px; background: var(--paper); color: var(--ink); text-decoration: none; border-radius: 2px; font-size: 14px; font-weight: 600; }
.button:hover { background: #e6ebdf; color: var(--ink); }
.button-accent { background: var(--accent); color: var(--paper); gap: 24px; }
.button-accent:hover { background: #8c3e28; color: var(--paper); }
.contribute-section .text-link { font-size: 12px; color: #d8dfd4; }
.contribute-section a:focus-visible { outline-color: var(--paper); }
.contribute-section .text-link:hover { color: white; }
.site-footer { display: flex; justify-content: space-between; gap: 25px; padding: 31px 0 34px; font-size: 11px; color: var(--muted); }
.footer-separator { padding: 0 9px; color: #a4ac9e; }

@media (max-width: 960px) {
  .page-shell { padding: 0 32px; }
  .hero { gap: 25px; padding: 70px 0; }
  h1 { font-size: 59px; }
  .hero-intro { font-size: 16px; }
  .project-row { grid-template-columns: 25px minmax(180px, .8fr) minmax(0, 1.2fr); gap: 18px; }
  .project-note { padding-left: 43px; }
  .principles { gap: 25px; }
  .contribute-section { gap: 25px; padding: 35px; }
}

@media (max-width: 680px) {
  .page-shell { padding: 0 22px; }
  .site-header { align-items: flex-start; flex-direction: column; gap: 15px; padding: 23px 0 18px; }
  .wordmark { font-size: 23px; }
  nav { width: 100%; justify-content: space-between; gap: 16px; font-size: 12px; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding: 45px 0; }
  h1 { font-size: clamp(43px, 10.8vw, 66px); max-width: 540px; margin: 21px 0; }
  .hero-intro { font-size: 16px; margin-bottom: 23px; }
  .hero-aside { display: none; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 19px; margin-bottom: 27px; }
  h2 { font-size: 36px; }
  .projects-section { padding-top: 28px; }
  .project-row { grid-template-columns: 23px minmax(0, 1fr); gap: 10px 16px; padding: 27px 0; }
  .project-description { grid-column: 2; }
  .project-identity h3 { font-size: 29px; }
  .language-label { margin-top: 11px; }
  .project-description > p { font-size: 14px; margin-top: 8px; }
  .project-links { gap: 9px 17px; margin-top: 12px; }
  .project-note { padding-left: 0; }
  .approach-section { padding: 55px 0; }
  .principles { grid-template-columns: 1fr; gap: 25px; margin-top: 30px; }
  .principles h3 { margin: 8px 0; }
  .contribute-section { grid-template-columns: 1fr; padding: 28px 24px 32px; gap: 26px; }
  .support-section { grid-template-columns: 1fr; gap: 23px; padding: 28px 0 36px; }
  .support-section h2 { font-size: 32px; }
  .support-section .button { justify-self: start; }
  .contribute-section h2 { font-size: 35px; }
  .contribute-links { justify-self: start; gap: 18px; }
  .site-footer { flex-direction: column; gap: 8px; padding: 25px 0; }
}

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