:root { --paper: #ed3445; --ink: #080808; --rule: #080808; --accent: #ed3445; color-scheme: light; }
:root[data-theme="light"] { --paper: #fff; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: 17px; line-height: 1.6; }
a { color: inherit; text-underline-offset: .2em; }
button { font: inherit; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 5px; }
::selection { background: var(--ink); color: var(--paper); }
[hidden] { display: none !important; }
.site-wrap { max-width: 1600px; margin: 0 auto; padding: 0 clamp(20px, 4.5vw, 80px); }
.site-header { display: flex; align-items: center; gap: 30px; min-height: 112px; border-bottom: 2px solid var(--rule); }
.brand { display: flex; align-items: center; gap: 13px; font-size: 15px; font-weight: 800; line-height: 1.2; text-decoration: none; }
.brand-mark { width: 46px; height: 46px; object-fit: contain; filter: brightness(0); }
.brand-abbreviation { display: none; }
.main-nav { display: flex; gap: clamp(15px, 2.1vw, 36px); margin-left: auto; }
.main-nav a { text-decoration: none; font-size: 15px; font-weight: 700; padding: 8px 0; }
.main-nav a:hover, .main-nav [aria-current] { text-decoration: underline; text-decoration-thickness: 2px; }
.theme-toggle { display: flex; align-items: center; gap: 8px; background: transparent; border: 1px solid var(--rule); padding: 9px 12px; cursor: pointer; font-size: 12px; font-weight: 700; white-space: nowrap; }
.theme-symbol { font-size: 22px; line-height: 1; }
.hero { display: grid; grid-template-columns: 1.35fr 1fr; gap: 55px; padding: 55px 0 65px; align-items: center; }
.eyebrow { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .11em; margin: 0 0 26px; }
.hero .eyebrow { display: flex; align-items: center; gap: 10px; }
.status-dot { width: 8px; height: 8px; background: currentColor; border-radius: 50%; }
h1, h2, h3, p, figure { margin-top: 0; }
.hero h1 { font-size: clamp(62px, 7.5vw, 116px); font-weight: 900; letter-spacing: -.065em; line-height: .99; margin-bottom: 28px; }
.hero-intro { font-size: clamp(18px, 1.65vw, 23px); line-height: 1.5; max-width: 520px; margin-bottom: 32px; }
.hero-links { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 35px; padding: 13px 20px; background: var(--ink); color: var(--paper); text-decoration: none; font-size: 15px; font-weight: 700; border: 2px solid var(--ink); }
.button:hover { background: var(--paper); color: var(--ink); }
.text-link { font-size: 15px; font-weight: 700; }
.hero-mark { margin: 0; display: flex; flex-direction: column; align-items: center; }
.hero-mark img { width: min(100%, 380px); aspect-ratio: 1; object-fit: contain; filter: brightness(0); }
.hero-mark figcaption { width: 100%; max-width: 380px; border-top: 1px solid var(--rule); margin-top: 25px; padding-top: 14px; text-align: right; font-size: 12px; line-height: 1.5; text-transform: uppercase; letter-spacing: .07em; }
.principles { border-top: 2px solid var(--rule); padding: 28px 0 45px; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-bottom: 20px; }
h2 { font-size: clamp(28px, 3vw, 43px); line-height: 1.1; letter-spacing: -.045em; font-weight: 800; }
.section-heading h2 { margin: 0; }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); }
.principle { text-decoration: none; padding: 23px 22px 0; border-right: 1px solid var(--rule); }
.principle:first-child { padding-left: 0; }
.principle:last-child { padding-right: 0; border: 0; }
.principle-number { display: flex; justify-content: space-between; font-size: 12px; font-weight: 700; margin-bottom: 25px; }
.principle h3 { font-size: 23px; line-height: 1.12; letter-spacing: -.035em; margin-bottom: 15px; }
.principle p { font-size: 15px; line-height: 1.6; margin: 0; }
.principle:hover h3 { text-decoration: underline; text-underline-offset: .12em; }
.updates-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--rule); padding: 32px 0 60px; gap: 50px; }
.updates-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 15px; padding-bottom: 22px; border-bottom: 1px solid var(--rule); }
.updates-heading h2 { font-size: clamp(27px, 2.8vw, 39px); margin: 0; }
.updates-heading a { font-size: 12px; white-space: nowrap; font-weight: 700; }
.updates .eyebrow { margin-bottom: 15px; }
.empty-state { padding: 26px 0; font-size: 15px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 25px; padding: 30px 0 35px; border-top: 2px solid var(--rule); font-size: 12px; }
.footer-title { font-size: 35px; line-height: 1; font-weight: 900; letter-spacing: -.05em; text-decoration: none; }
.footer-title span { display: block; margin-top: 10px; font-size: 10px; letter-spacing: 0; }
.site-footer p { margin: 0; }
.site-footer > a:last-child { font-weight: 700; }
.page-heading { padding: 55px 0 40px; border-bottom: 1px solid var(--rule); margin-bottom: 40px; }
.page-heading h1 { font-size: clamp(48px, 7.5vw, 100px); font-weight: 900; letter-spacing: -.065em; line-height: 1.05; margin-bottom: 23px; overflow-wrap: anywhere; }
.page-heading > p:last-child { font-size: clamp(18px, 2vw, 24px); max-width: 780px; margin-bottom: 0; }
.prose { font-size: 19px; line-height: 1.8; overflow-wrap: anywhere; }
.prose p { margin-bottom: 25px; }
.prose h2 { font-size: clamp(28px, 3vw, 39px); margin: 45px 0 22px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { line-height: 1.3; }
.prose li { margin-bottom: .5em; }
.prose blockquote { border-left: 3px solid var(--ink); margin-left: 0; padding-left: 25px; }
.prose pre { overflow-x: auto; font-size: 14px; }
.prose table { display: block; overflow-x: auto; }
.prose td, .prose th { border-bottom: 1px solid var(--rule); padding: 10px; }
.page-prose { max-width: 800px; margin: 0 auto 80px; }
.program-layout { display: grid; grid-template-columns: 260px minmax(0, 800px); gap: 70px; padding-bottom: 70px; }
.program-index { align-self: start; position: sticky; top: 30px; }
.program-index .eyebrow { margin-bottom: 16px; }
.program-index a { display: block; border-top: 1px solid var(--rule); padding: 13px 0; font-size: 14px; font-weight: 700; text-decoration: none; }
.program-index a:hover { text-decoration: underline; }
.post-preview { padding: 25px 0; border-bottom: 1px solid var(--rule); }
.post-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 15px; }
.post-preview h3 { font-size: 27px; line-height: 1.2; letter-spacing: -.035em; margin-bottom: 15px; }
.post-preview h3 a { text-decoration: none; }
.post-preview h3 a:hover { text-decoration: underline; }
.post-preview p { font-size: 16px; margin-bottom: 0; }
.posts-list { max-width: 900px; margin-bottom: 70px; }
.article-heading h1 { font-size: clamp(40px, 5vw, 75px); max-width: 1000px; }
.article-heading .eyebrow { display: inline-block; }
.article-cover { width: 100%; margin-bottom: 35px; }
.skip-link { position: absolute; top: -80px; left: 20px; z-index: 10; background: var(--ink); color: var(--paper); padding: 10px 20px; }
.skip-link:focus { top: 10px; }
:root[data-theme="light"] .brand-mark, :root[data-theme="light"] .hero-mark img { filter: none; }
@media (max-width: 1100px) {
  .site-header { flex-wrap: wrap; gap: 20px; padding: 22px 0; }
  .main-nav { order: 3; width: 100%; justify-content: space-between; margin: 0; }
  .theme-toggle { margin-left: auto; }
  .hero { gap: 25px; }
  .principle h3 { font-size: 20px; }
  .program-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 40px; }
}
@media (max-width: 700px) {
  .site-header { padding: 19px 0 13px; gap: 15px; }
  .brand { font-size: 12px; gap: 9px; }
  .brand-mark { width: 37px; height: 37px; }
  .theme-toggle { font-size: 11px; padding: 8px; }
  .theme-symbol { font-size: 17px; }
  .main-nav { gap: 10px; }
  .main-nav a { font-size: 13px; }
  .hero { grid-template-columns: 1fr; padding: 35px 0 38px; gap: 30px; }
  .hero h1 { font-size: clamp(56px, 12.5vw, 84px); }
  .hero .eyebrow { font-size: 10px; }
  .hero-mark { flex-direction: row; gap: 25px; align-items: center; }
  .hero-mark img { width: 120px; }
  .hero-mark figcaption { margin: 0; padding-top: 12px; text-align: left; font-size: 10px; }
  .section-heading { display: block; }
  .section-heading .eyebrow { margin-bottom: 12px; }
  .principle-grid { grid-template-columns: 1fr 1fr; }
  .principle { padding: 23px 17px; border-bottom: 1px solid var(--rule); }
  .principle:nth-child(2n) { border-right: 0; padding-right: 0; }
  .principle:nth-child(2n + 1) { padding-left: 0; }
  .principle:nth-child(n + 3) { border-bottom: 0; padding-bottom: 0; }
  .principle-number { margin-bottom: 18px; }
  .updates-grid { grid-template-columns: 1fr; gap: 25px; padding-bottom: 35px; }
  .site-footer { align-items: start; flex-wrap: wrap; padding: 25px 0; }
  .site-footer p { max-width: 165px; }
  .site-footer > a:last-child { width: 100%; }
  .page-heading { padding-top: 35px; margin-bottom: 30px; }
  .program-layout { grid-template-columns: 1fr; gap: 35px; }
  .program-index { position: static; }
  .prose { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
