:root {
  color-scheme: light dark;
  --bg: #faf8f3;
  --paper: #fffdf8;
  --text: #292720;
  --muted: #696357;
  --accent: #97501a;
  --line: #ded8cb;
  --tint: #f2e9d9;
}
* { box-sizing: border-box; }
html { font-size: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}
a { color: var(--accent); text-underline-offset: .22em; text-decoration-thickness: .07em; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
.wrap { width: min(100% - 2.5rem, 70ch); margin-inline: auto; }
.site-header { padding-block: clamp(1.25rem, 4vw, 2rem) clamp(1rem, 3vw, 1.4rem); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-size: 1.2rem; font-weight: 750; text-decoration: none; color: var(--text); }
.brand img { width: 32px; height: 32px; }
.tagline { margin: .25rem 0 .9rem; font-size: .875rem; color: var(--muted); }
.nav-list { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; font-size: .9rem; line-height: 1.4; }
.nav-list a { display: inline-block; padding: .35rem .8rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; }
.nav-list a:hover { border-color: var(--accent); }
.nav-list [aria-current="page"] { color: var(--text); font-weight: 700; background: var(--tint); border-color: var(--accent); }
main { padding-block: clamp(2.5rem, 7vw, 5rem); }
h1, h2, h3 { line-height: 1.25; font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5.7vw, 3.2rem); letter-spacing: -.035em; margin: .65rem 0 1.4rem; }
h2 { font-size: 1.45rem; margin: 2.5rem 0 1rem; letter-spacing: -.02em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.2rem; }
.eyebrow { color: var(--accent); font-size: .8rem; letter-spacing: .09em; text-transform: uppercase; font-weight: 700; }
.lead { font-size: 1.15rem; line-height: 1.55; color: var(--muted); }
.byline, .back-link { font-size: .9rem; color: var(--muted); }
.article-list { list-style: none; padding: 0; margin: 1.5rem 0 0; counter-reset: notes; }
.article-list > li { counter-increment: notes; position: relative; padding: 1.3rem 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; transition: border-color .15s; }
.article-list > li + li { margin-top: 1rem; }
.article-list > li:hover { border-color: var(--accent); }
.article-list > li::before { content: "Заметка 0" counter(notes); display: block; color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.article-list h3 { margin: .3rem 0 .5rem; }
.article-list h3 a { color: var(--text); text-decoration: none; }
.article-list h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.article-list h3 a:focus-visible { outline: none; }
.article-list > li:focus-within { outline: 3px solid var(--accent); outline-offset: 3px; }
.article-list p { margin: 0; color: var(--muted); font-size: .95rem; }
.note { padding: 1.25rem; border-left: 3px solid var(--accent); background: var(--tint); margin-block: 1.8rem; }
ul, ol { padding-left: 1.4rem; margin-block: 1rem 1.5rem; }
main li + li { margin-top: .5rem; }
.table-wrap { max-width: 100%; overflow-x: auto; margin-block: 1.5rem; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; background: var(--paper); }
caption { text-align: left; font-weight: 650; margin-bottom: .75rem; }
th, td { text-align: left; vertical-align: top; padding: .75rem .65rem; border-bottom: 1px solid var(--line); }
thead { background: var(--tint); }
.kelvin-scale { margin-block: 1.5rem; }
.kelvin-scale .bar { height: 1.25rem; border-radius: 999px; border: 1px solid var(--line); background: linear-gradient(90deg, #ffa24f 0%, #ffc483 25%, #ffe4c4 50%, #fff3ea 72%, #eef1ff 100%); }
.kelvin-scale .marks { display: flex; justify-content: space-between; margin-top: .4rem; font-size: .8rem; color: var(--muted); }
.related { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.site-footer { border-top: 1px solid var(--line); padding-block: 1.7rem 2.5rem; color: var(--muted); font-size: .85rem; }
.site-footer p { margin: 0; }
.skip-link { position: absolute; top: .5rem; left: 1rem; padding: .5rem 1rem; background: var(--paper); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.error-code { color: var(--accent); font-size: 4rem; line-height: 1; margin-bottom: 1.5rem; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #1c1c19; --paper: #24241f; --text: #ede9df; --muted: #b8b2a5; --accent: #efb373; --line: #454238; --tint: #30291f; }
}
@media (max-width: 400px) {
  .wrap { width: calc(100% - 2rem); }
  body { font-size: 1rem; }
  .nav-list { gap: .4rem; font-size: .85rem; }
  .nav-list a { padding: .3rem .65rem; }
  .article-list > li { padding: 1.1rem 1.15rem; }
  th, td { padding: .65rem .4rem; }
}