@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "Atkinson Next";
  src: url("/assets/fonts/atkinson.woff2") format("woff2");
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("/assets/fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --label: #f3f6f4;
  --paper: #ffffff;
  --ink: #10201b;
  --graphite: #4a5a54;
  --mist: #d5dfda;
  --found: #0b7a5b;
  --laser: #d4301c;
  --pine: #0c3a2c;
  --pine-line: #24574a;
  --mint: #cfe6db;
  --spark: #5fdcae;
  --gutter: clamp(16px, 4vw, 56px);
  --display: "Archivo", "Arial Narrow", Arial, sans-serif;
  --text: "Atkinson Next", Verdana, Arial, sans-serif;
  --mono: "Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--label);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--text);
}
a { color: inherit; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--found); }
:focus-visible { outline: 3px solid var(--found); outline-offset: 2px; }
[hidden] { display: none !important; }

.wrap { padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--paper); color: var(--ink); padding: 8px 12px; z-index: 5; }
.skip:focus { left: 8px; color: var(--ink); }

h1, h2, h3 { font-family: var(--display); line-height: 1.06; letter-spacing: -0.012em; }
h1 { font-stretch: 112%; font-weight: 750; }
h2 { font-stretch: 108%; font-weight: 700; }

/* Шапка */
.site-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 32px; padding-block: 18px; position: relative; background: var(--pine); box-shadow: 0 1px 0 var(--pine); color: var(--paper); }
.site-head a:hover { color: var(--spark); }
.site-head :focus-visible { outline-color: var(--spark); }
.logo { display: block; width: 138px; margin-left: -6px; color: var(--paper); }
.logo svg { display: block; width: 100%; height: auto; }
.logo circle { fill: var(--spark); }
.head-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; }
.site-head nav { display: flex; flex-wrap: wrap; gap: 4px 22px; font-size: 0.95rem; }
.site-head .lang-switch { gap: 2px; padding: 2px; border: 1px solid var(--pine-line); border-radius: 8px; font-size: 0.85rem; }
.site-head .lang-switch a { padding: 3px 9px; border-radius: 6px; }
.site-head .lang-switch a:hover { text-decoration: none; }
.site-head .lang-switch a[aria-current] { background: var(--paper); color: var(--pine); }
.site-head nav a { text-decoration: none; padding-block: 6px; }
.site-head nav a:hover { text-decoration: underline; }

/* Главная: этикетка лежит на границе зелёного поля и страницы */
.hero { background: var(--pine); color: var(--paper); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 33rem);
  gap: 32px clamp(32px, 6vw, 96px);
  align-items: center;
  padding-block: clamp(20px, 4vh, 48px) 0;
}
.hero-head { padding-bottom: 56px; }
.hero-head h1 { margin: 0; max-width: 13ch; font-size: clamp(2.4rem, 5.2vw, 4.75rem); }
.hero-head p { margin: 20px 0 0; max-width: 46ch; color: var(--mint); font-size: 1.15rem; }
.hero-head a:hover { color: var(--spark); }
.hero-head :focus-visible { outline-color: var(--spark); }
.hero-head .hero-links { display: flex; flex-wrap: wrap; gap: 6px 24px; font-size: 1rem; color: var(--paper); }
.hero-grid .tool { margin-bottom: -56px; position: relative; }

/* Инструмент: товарная этикетка, номер набирается под штрихами */
.tool {
  background: var(--paper);
  color: var(--ink);
  border-radius: 14px;
  padding: clamp(18px, 3vw, 28px);
  box-shadow: 0 1px 2px rgba(4, 30, 22, 0.25), 0 24px 56px rgba(4, 30, 22, 0.28);
}
.tool-field label, .filter label { display: block; font-size: 0.875rem; color: var(--graphite); }
.tool-symbol { position: relative; overflow: hidden; margin-top: 10px; }
.tool-symbol[hidden] {
  display: block !important;
  background: repeating-linear-gradient(90deg, var(--mist) 0 3px, transparent 3px 10px);
  opacity: 0.55;
}
.bars { display: block; width: 100%; height: clamp(104px, 17vh, 148px); fill: var(--ink); shape-rendering: crispEdges; transition: fill 0.15s linear; }
.tool[data-state="bad"] .bars { fill: var(--laser); }
.scan {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--laser);
  box-shadow: 0 0 14px 3px rgba(212, 48, 28, 0.55);
  opacity: 0;
  pointer-events: none;
}
.scan.run { animation: scan 0.85s cubic-bezier(0.45, 0, 0.55, 1) 0.1s 1; }
@keyframes scan {
  0% { left: 0; opacity: 1; }
  100% { left: 100%; opacity: 1; }
}
.tool-field input {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 6px 8px 7px;
  border: 0;
  border-radius: 6px;
  background: var(--label);
  color: var(--ink);
  text-align: center;
  font: 500 clamp(1.5rem, 7vw, 2.35rem)/1.2 var(--mono);
  letter-spacing: 0.06em;
}
.tool-field input:focus-visible { outline: 2px solid var(--found); outline-offset: 0; }
.readout { margin: 14px 0 0; }
.readout > div { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 12px; padding-block: 9px; border-top: 1px solid var(--mist); }
.readout dt { font-size: 0.875rem; line-height: 1.5; color: var(--graphite); }
.readout dd { margin: 0; font-size: 0.975rem; line-height: 1.45; overflow-wrap: anywhere; }
.tool[data-state="ok"] [data-check] { color: var(--found); font-weight: 700; }
.tool[data-state="bad"] [data-check] { color: var(--laser); font-weight: 700; }
.tool-note { margin: 0; padding-top: 11px; border-top: 1px solid var(--mist); color: var(--graphite); font-size: 0.825rem; line-height: 1.5; }

/* Разделы главной */
.routes { padding-top: clamp(104px, 15vh, 148px); }
.routes h2 { margin: 0 0 22px; font-size: clamp(1.6rem, 3vw, 2.25rem); }
.routes ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); gap: 14px; list-style: none; margin: 0; padding: 0; }
.routes a {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 18px 20px 20px;
  border: 1px solid var(--mist);
  border-radius: 10px;
  background: var(--paper);
  text-decoration: none;
  transition: border-color 0.15s linear, box-shadow 0.15s linear;
}
.routes a:hover { color: inherit; border-color: var(--found); box-shadow: 0 8px 24px rgba(4, 30, 22, 0.1); }
.routes a:hover strong { text-decoration: underline; }
.routes .spec { margin-bottom: 26px; color: var(--found); font: 500 1.05rem/1.3 var(--mono); }
.routes strong { font-family: var(--display); font-stretch: 104%; font-size: 1.15rem; font-weight: 650; line-height: 1.25; }
.routes .route-desc { margin-top: 6px; color: var(--graphite); font-size: 0.975rem; line-height: 1.45; }

/* Статьи */
.doc-head { background: var(--pine); color: var(--paper); padding-block: clamp(16px, 3vh, 36px) clamp(32px, 6vh, 64px); }
.doc-head h1 { margin: 0; max-width: 22ch; font-size: clamp(2rem, 4.4vw, 3.5rem); }
.checked { margin: 14px 0 0; color: var(--mint); font-size: 0.925rem; }
.doc { display: grid; grid-template-columns: minmax(0, 44rem) minmax(12rem, 18rem); gap: 0 clamp(32px, 6vw, 88px); padding-block: clamp(28px, 5vh, 52px) 24px; }
.doc-body > :first-child { margin-top: 0; }
.doc-body h2 { margin: 2em 0 0.5em; font-size: 1.5rem; }
.doc-body p, .doc-body ul, .doc-body ol { margin: 0 0 1em; }
.doc-body li { margin-bottom: 0.35em; }
.lead { font-size: 1.25rem; line-height: 1.45; }
.mono { font-family: var(--mono); font-weight: 500; }
.table-scroll { overflow-x: auto; margin: 1.2em 0 1.6em; padding: 6px 18px; border: 1px solid var(--mist); border-radius: 10px; background: var(--paper); }
table { width: 100%; border-collapse: collapse; font-size: 0.975rem; }
th { text-align: left; font-weight: 600; border-bottom: 2px solid var(--ink); padding: 8px 16px 8px 0; }
td { border-bottom: 1px solid var(--mist); padding: 9px 16px 9px 0; vertical-align: top; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody th { border-bottom: 1px solid var(--mist); }
td.num, th.num { text-align: right; font-family: var(--mono); font-weight: 500; white-space: nowrap; }
.prefix-table td:first-child { white-space: nowrap; width: 7rem; }
.filter { margin-top: 1.6em; }
.filter input { display: block; width: min(100%, 22rem); margin-top: 4px; padding: 9px 12px; border: 1px solid var(--graphite); border-radius: 6px; background: var(--paper); color: var(--ink); font: inherit; }
.sources { align-self: start; position: sticky; top: 20px; padding: 16px 18px; border: 1px solid var(--mist); border-radius: 10px; background: var(--paper); font-size: 0.925rem; }
.sources h2 { margin: 0 0 8px; font-size: 1rem; letter-spacing: 0; }
.sources ul { list-style: none; margin: 0; padding: 0; }
.sources li { margin-bottom: 8px; }
.sources li:last-child { margin-bottom: 0; }

/* Этикетка внутри статьи */
.doc-body .tool { max-width: 33rem; margin-block: 1.4em 2em; box-shadow: 0 1px 2px rgba(4, 30, 22, 0.14), 0 10px 28px rgba(4, 30, 22, 0.1); }

/* Подвал */
.site-foot { margin-top: clamp(56px, 10vh, 104px); background: var(--pine); color: var(--mint); }
.foot-strip { display: block; width: 100%; height: 26px; fill: var(--label); shape-rendering: crispEdges; }
.foot-text { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 40px; padding-block: 20px 28px; font-size: 0.875rem; }
.foot-text p { margin: 0; max-width: 74ch; }
.foot-text a { margin-right: 14px; }
.foot-text a:hover { color: var(--spark); }
.foot-text :focus-visible { outline-color: var(--spark); }

/* Китайский: системные шрифты с иероглифами, латиница и цифры остаются прежними */
:lang(zh) {
  --display: "Archivo", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
  --text: "Atkinson Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
}
:lang(zh) body { line-height: 1.75; }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { font-stretch: 100%; line-height: 1.25; letter-spacing: 0; }
:lang(zh) .hero-head h1 { max-width: 9em; }
:lang(zh) .doc-head h1 { max-width: 20em; }
.lang-switch [lang|="zh"] { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-head { padding-bottom: 0; }
  .hero-head h1 { max-width: 18ch; }
}

@media (max-width: 860px) {
  .doc { grid-template-columns: minmax(0, 1fr); }
  .sources { position: static; margin-top: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scan.run { animation: none; }
  .bars, .routes a { transition: none; }
}