@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --ink: #101010;
  --muted: #696969;
  --paper: #f7f6f2;
  --panel: #ffffff;
  --line: #d9d8d2;
  --signal: #b9ff4f;
  --measure: 820px;
}

* { box-sizing: border-box; }

html {
  color: var(--ink);
  background: var(--paper);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body { margin: 0; }

img { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}

a:hover { text-decoration-style: double; }

.wrap {
  width: min(calc(100% - 40px), var(--measure));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  background: var(--signal);
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 28px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img { border-radius: 50%; }
.brand span { display: grid; line-height: 1.1; }
.brand strong { font-size: .95rem; letter-spacing: .06em; }
.brand small { color: var(--muted); font-size: .64rem; margin-top: 5px; }

.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: .76rem;
}

.site-header nav > a,
.site-footer a { text-decoration: none; }

.language-switch {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
}

.language-switch a {
  padding: 2px 6px;
  text-decoration: none;
}

.language-switch a[aria-current="page"] { background: var(--signal); }

.hero,
.page-intro {
  padding-block: clamp(72px, 12vw, 132px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
}

h1,
h2,
h3 {
  line-height: 1.13;
  letter-spacing: -.045em;
  text-wrap: balance;
}

h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2.55rem, 8vw, 5.4rem);
}

h2 { font-size: clamp(1.45rem, 4vw, 2.25rem); }
h3 { font-size: 1.2rem; }

.lede {
  max-width: 62ch;
  margin: 28px 0 0;
  color: #353535;
  font-size: clamp(1rem, 2.2vw, 1.25rem);
}

.system-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  color: var(--muted);
  font-size: .76rem;
}

.system-note span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--signal), transparent 65%);
}

.section-heading {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.section-heading h2 { margin: 0 0 36px; }

.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.article-list li { border-bottom: 1px solid var(--line); }

.article-list a {
  display: grid;
  gap: 8px;
  padding: 30px 0 34px;
  text-decoration: none;
  transition: padding-left .16s ease;
}

.article-list a:hover { padding-left: 10px; }
.article-list time { color: var(--muted); font-size: .72rem; }
.article-list h2 { max-width: 25ch; margin: 0; }
.article-list p { max-width: 66ch; margin: 0; color: #4a4a4a; }
.article-list span { margin-top: 8px; font-size: .76rem; font-weight: 700; }

.empty-state {
  margin-bottom: 96px;
  padding: 44px;
  border: 1px dashed var(--line);
  background: var(--panel);
}

.empty-state span { color: var(--muted); font-size: .72rem; }

.article { padding-block: clamp(64px, 10vw, 110px); }
.article-header h1 { max-width: 19ch; font-size: clamp(2.4rem, 7vw, 4.8rem); }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
  color: var(--muted);
  font-size: .72rem;
}

.ai-disclosure {
  margin: 42px 0;
  padding: 20px 22px;
  border-left: 5px solid var(--signal);
  background: var(--panel);
  font-size: .8rem;
}

.ai-disclosure p { margin: 7px 0 0; }

.cover { margin: 52px 0; }
.cover img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: saturate(.82) contrast(1.04); }
.cover figcaption { margin-top: 8px; color: var(--muted); font-size: .68rem; }

.article-body,
.prose {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.08rem;
  line-height: 1.78;
}

.article-body > *,
.prose > * { max-width: 690px; }

.article-body h2,
.article-body h3,
.prose h1,
.prose h2,
.prose h3 { font-family: "JetBrains Mono", monospace; margin-top: 2.5em; }

.prose { padding-block: clamp(64px, 10vw, 100px); }
.prose h1 { margin-top: 0; }

.article-body pre {
  overflow-x: auto;
  padding: 22px;
  border: 1px solid var(--line);
  background: #181818;
  color: #f4f4f0;
  font: .83rem/1.65 "JetBrains Mono", monospace;
}

.article-body code { font-family: "JetBrains Mono", monospace; font-size: .88em; }

.article-body :not(pre) > code {
  padding: .12em .32em;
  background: #e9e8e2;
}

.article-body blockquote {
  margin: 2em 0;
  padding-left: 24px;
  border-left: 5px solid var(--line);
  color: #4f4f4f;
}

.sources {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.sources ol { padding-left: 1.5em; }
.sources li { margin: 18px 0; padding-left: 8px; }
.sources li span { display: block; color: var(--muted); font-size: .7rem; }

.corrections {
  margin-top: 64px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: .8rem;
}

.corrections p { margin-bottom: 0; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 92px;
  padding-block: 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .68rem;
}

.site-footer p { margin: 0; }

@media (max-width: 680px) {
  .site-header { align-items: flex-start; flex-wrap: wrap; }
  .site-header nav { width: 100%; flex-wrap: wrap; justify-content: space-between; gap: 10px 16px; }
  .brand small { display: none; }
  .site-footer { display: grid; }
  .empty-state { padding: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}