/* ТЕМА: общие цвета и размеры. */
:root {
  color-scheme: dark;
  --background: #101314;
  --surface: #171c1e;
  --text: #f2f3ee;
  --muted: #acb5b2;
  --accent: #b9e58c;
  --border: #303839;
  --width: 1080px;
  --reading-width: 760px;
}

/* ОСНОВА */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--background); color: var(--text); font: 17px/1.75 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-underline-offset: 5px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
h1, h2, h3 { margin: 0; line-height: 1.15; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 7vw, 5rem); letter-spacing: -0.06em; }
h2 { font-size: 1.7rem; letter-spacing: -0.035em; }
h3 { font-size: 1.5rem; letter-spacing: -0.025em; }
p { margin: 0 0 1rem; }
img { display: block; max-width: 100%; height: auto; }
.container { width: min(var(--width), calc(100% - 48px)); margin-inline: auto; }
.article-container { width: min(var(--reading-width), calc(100% - 48px)); margin-inline: auto; }
.muted, .byline { color: var(--muted); }
.eyebrow, .post-meta, .brand-label { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.75rem; }
.eyebrow { color: var(--accent); letter-spacing: 0.08em; }
h1 > span, .brand > span:not(.brand-label) { color: var(--accent); }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 640px; }
.text-link { text-decoration-thickness: 1px; }

/* ШАПКА */
.site-header { border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 96px; }
.brand { display: inline-flex; align-items: baseline; font-size: 1.7rem; font-weight: 800; letter-spacing: -0.08em; text-decoration: none; white-space: nowrap; }
.brand-label { margin-left: 12px; color: var(--muted); font-weight: 400; letter-spacing: 0.06em; }
.nav-list { display: flex; flex-wrap: wrap; gap: 12px 26px; margin: 0; padding: 0; list-style: none; }
.nav-list a { color: var(--muted); text-decoration: none; font-size: 0.85rem; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--text); }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 12px 18px; background: var(--text); color: var(--background); transform: translateY(-200%); z-index: 1; }
.skip-link:focus { transform: translateY(0); color: var(--background); }

/* ГЛАВНАЯ БЛОГА */
.intro { padding-block: clamp(64px, 9vw, 104px); }
.intro .eyebrow { margin-bottom: 28px; }
.intro .lead { margin-top: 28px; margin-bottom: 0; }
.posts-section { border-top: 1px solid var(--border); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-block: 28px; }
.section-heading h2 { font-size: 1.2rem; }
.section-heading p { margin: 0; font-size: 0.8rem; }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 28px; padding-block: 36px; border-top: 1px solid var(--border); }
.post-meta { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 12px; color: var(--muted); }
.post-row .post-meta { flex-direction: column; }
.tag { display: inline-block; color: var(--accent); padding: 1px 9px; border: 1px solid var(--border); border-radius: 4px; line-height: 1.7; }
.post-summary h3 a { text-decoration: none; }
.post-summary h3 span { color: var(--accent); font-size: 1.15rem; }
.post-summary p { margin-top: 14px; margin-bottom: 0; color: var(--muted); max-width: 650px; }
.about-note { max-width: 680px; margin-block: 52px 76px; padding-left: 24px; border-left: 2px solid var(--accent); }
.about-note > p:not(.eyebrow) { color: var(--muted); }
.about-note strong { color: var(--text); }

/* СТРАНИЦА СТАТЬИ */
.back-link { display: inline-block; margin-top: 40px; color: var(--muted); font-size: 0.85rem; text-decoration: none; }
.article-header { padding-block: 36px 24px; }
.article-header h1 { margin-top: 24px; font-size: clamp(2.4rem, 6vw, 3.8rem); }
.article-header .lead { margin-top: 24px; }
.byline { font-size: 0.8rem; }
.notice { padding: 16px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; color: var(--muted); font-size: 0.9rem; }
.contents { margin-block: 32px 48px; padding-block: 24px; border-block: 1px solid var(--border); }
.contents .eyebrow { margin-bottom: 12px; }
.contents ol { margin: 0; padding-left: 24px; color: var(--muted); }
.prose { overflow-wrap: anywhere; }
.prose section { margin-bottom: 42px; }
.prose h2 { margin-block: 0 20px; }
.prose h3 { margin-block: 28px 16px; font-size: 1.3rem; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--text); }
.prose li + li { margin-top: 8px; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.85em; }
.prose :not(pre) > code { background: var(--surface); padding: 2px 6px; border-radius: 4px; color: var(--accent); }
pre { max-width: 100%; overflow-x: auto; margin-block: 24px; padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; line-height: 1.6; }
blockquote { margin: 28px 0; padding: 8px 0 8px 24px; border-left: 2px solid var(--accent); }
blockquote p:last-child { margin-bottom: 0; }
.table-scroll { overflow-x: auto; margin-block: 28px; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.9rem; }
caption { text-align: left; color: var(--muted); font-size: 0.8rem; padding-bottom: 12px; }
th, td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text); background: var(--surface); }
td { color: var(--muted); }
figure { margin: 28px 0; }
figure img { border: 1px solid var(--border); border-radius: 8px; }
figcaption { color: var(--muted); font-size: 0.8rem; margin-top: 10px; }
.article-end { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-block: 28px 60px; border-top: 1px solid var(--border); font-size: 0.9rem; }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-block: 28px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8rem; }
.site-footer p { margin: 0; }
.error-page { padding-block: 100px; }
.error-page .lead { margin-top: 28px; }

/* МОБИЛЬНАЯ ВЕРСИЯ */
@media (max-width: 640px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: 14px; padding-block: 20px; }
  .nav-list { gap: 12px 22px; }
  .post-row { grid-template-columns: 1fr; gap: 18px; }
  .post-row .post-meta { flex-direction: row; align-items: center; }
  .intro h1 br { display: none; }
  pre { padding: 18px; }
  .about-note { margin-block: 40px 56px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}