/* IBM Plex, лицензия SIL OFL 1.1. Файлы раздаёт сам движок: /assets/fonts/. */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-400-cyrillic.woff2") format("woff2"); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-400-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-500-cyrillic.woff2") format("woff2"); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-500-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-600-cyrillic.woff2") format("woff2"); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-600-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Sans Condensed"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-condensed-600-cyrillic.woff2") format("woff2"); unicode-range: U+0400-045F, U+0462-0463, U+046A-046B, U+0472-0475, U+0490-04C2, U+04CF-04D9, U+04DC-04E9, U+04EE-04F9, U+0524-0525; }
@font-face { font-family: "IBM Plex Sans Condensed"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-condensed-600-latin.woff2") format("woff2"); unicode-range: U+0000, U+000D, U+0020-007E, U+00A0-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2013-2014, U+2018-201A, U+201C-201E, U+2020-2022, U+2026, U+2030, U+2039-203A, U+2044, U+20AC, U+2122, U+2212, U+FB01-FB02; }
@font-face { font-family: "IBM Plex Sans Condensed"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-condensed-700-cyrillic.woff2") format("woff2"); unicode-range: U+0400-045F, U+0462-0463, U+046A-046B, U+0472-0475, U+0490-04C2, U+04CF-04D9, U+04DC-04E9, U+04EE-04F9, U+0524-0525; }
@font-face { font-family: "IBM Plex Sans Condensed"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-condensed-700-latin.woff2") format("woff2"); unicode-range: U+0000, U+000D, U+0020-007E, U+00A0-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2013-2014, U+2018-201A, U+201C-201E, U+2020-2022, U+2026, U+2030, U+2039-203A, U+2044, U+20AC, U+2122, U+2212, U+FB01-FB02; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-400-cyrillic.woff2") format("woff2"); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-400-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-600-cyrillic.woff2") format("woff2"); unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-600-latin.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
:root, [data-theme="light"] {
  --paper: #f3f5f6;
  --surface: #ffffff;
  --sunken: #e7ebed;
  --band: #15191c;
  --ink: #15191c;
  --ink-muted: #4a545c;
  --ink-subtle: #5f6a72;
  --paper-ink: #e9edef;
  --line: #d2d8dc;
  --line-strong: #848e96;
  --signal: #fde037;
  --on-signal: #15191c;
  --signal-soft: #fdf3b5;
  --steel: #1b4f7c;
  --focus: #1b4f7c;
  --rise: #0e6b3d;
  --fall: #b4261c;
  --rise-on-band: #5fd39a;
  --fall-on-band: #ff8a7a;
  --sterbrust: #15191c;
  --shadow-pop: 0 8px 24px rgba(21,25,28,0.14);
}
[data-theme="dark"] {
  --paper: #0f1214;
  --surface: #171b1f;
  --sunken: #0a0c0e;
  --band: #060708;
  --ink: #e9edef;
  --ink-muted: #aab4bb;
  --ink-subtle: #8f9aa2;
  --paper-ink: #e9edef;
  --line: #2a3238;
  --line-strong: #66717a;
  --signal: #fde037;
  --on-signal: #15191c;
  --signal-soft: #3a3410;
  --steel: #8fc3ee;
  --focus: #fde037;
  --rise: #5fd39a;
  --fall: #ff8a7a;
  --rise-on-band: #5fd39a;
  --fall-on-band: #ff8a7a;
  --sterbrust: #e9edef;
  --shadow-pop: 0 8px 24px rgba(0,0,0,0.55);
}
:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --radius-0: 0;
  --radius-s: 3px;
  --radius-m: 5px;
  --radius-pill: 999px;
  --container: 1200px;
  --measure: 68ch;
  --rail: 320px;
  --bp-tablet: 960px;
  --bp-phone: 640px;
  --font-display: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
/* StankiExpert components — plain CSS for server-rendered HTML (no JS framework).
   Loads after tokens.css; every colour, size and radius comes from a token. */

.se-root, .se-root * { box-sizing: border-box; }
.se-root {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 26px;
  -webkit-font-smoothing: antialiased;
}
.se-root a { color: var(--steel); }
.se-root :focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.se-container { max-width: var(--container); margin-inline: auto; padding-inline: var(--space-8); }
@media (max-width: 640px) { .se-container { padding-inline: var(--space-4); } }

/* ---------- Eyebrow / label ---------- */
.se-eyebrow {
  font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-subtle);
}
.se-eyebrow--signal { color: var(--on-signal); background: var(--signal); padding: 2px 6px; border-radius: var(--radius-s); display: inline-block; }

/* ---------- Button ---------- */
.se-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-sans); font-size: 16px; line-height: 20px; font-weight: 600;
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-s);
  border: 1px solid transparent; cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.se-btn--primary { background: var(--signal); color: var(--on-signal); border-color: var(--signal); }
.se-btn--primary:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.se-btn--secondary { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.se-btn--secondary:hover { border-color: var(--ink); }
.se-btn--ghost { background: transparent; color: var(--steel); padding-inline: 0; }
.se-btn--ghost:hover { text-decoration: underline; }
.se-btn--on-band { background: transparent; color: var(--paper-ink); border-color: var(--paper-ink); }
.se-btn--on-band:hover { background: var(--signal); color: var(--on-signal); border-color: var(--signal); }
.se-btn--s { font-size: 14px; padding: var(--space-2) var(--space-3); }
.se-btn[disabled] { opacity: .45; cursor: not-allowed; }
@media (prefers-reduced-motion: reduce) { .se-btn { transition: none; } }

/* ---------- Tag ---------- */
.se-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); list-style: none; margin: 0; padding: 0; }
.se-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 13px; line-height: 18px;
  padding: var(--space-1) var(--space-2); border: 1px solid var(--line); border-radius: var(--radius-s);
  color: var(--ink-muted); background: var(--surface); text-decoration: none;
}
.se-root a.se-tag { color: var(--ink-muted); }
.se-root a.se-tag:hover { border-color: var(--ink); color: var(--ink); }
.se-tag--new { background: var(--signal-soft); border-color: transparent; color: var(--ink); }

/* ---------- ChangeBadge ---------- */
.se-change {
  display: inline-flex; align-items: center; gap: 4px; font-family: var(--font-mono);
  font-variant-numeric: tabular-nums; font-size: 14px; line-height: 18px; font-weight: 600;
  padding: 2px 8px; border-radius: var(--radius-pill); border: 1px solid currentColor;
}
.se-change--rise { color: var(--rise); }
.se-change--fall { color: var(--fall); }
.se-change--flat { color: var(--ink-subtle); }

/* ---------- SiteHeader ---------- */
.se-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.se-header__bar { display: flex; align-items: center; gap: var(--space-6); min-height: 64px; }
.se-wordmark {
  font-family: var(--font-display); font-weight: 700; font-size: 24px; line-height: 28px;
  color: var(--ink); text-decoration: none; letter-spacing: -0.01em; white-space: nowrap;
}
.se-root a.se-wordmark { color: var(--ink); }
.se-wordmark b { background: var(--signal); color: var(--on-signal); padding: 0 4px; margin-left: 2px; border-radius: var(--radius-s); font-weight: 700; }
.se-floors { display: flex; gap: 0; border: 1px solid var(--line-strong); border-radius: var(--radius-s); overflow: hidden; }
.se-floors a {
  font-family: var(--font-mono); font-size: 13px; line-height: 18px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  padding: var(--space-2) var(--space-3); color: var(--ink); text-decoration: none;
}
.se-floors a + a { border-left: 1px solid var(--line-strong); }
.se-floors a[aria-current="page"] { background: var(--signal); color: var(--on-signal); }
.se-nav { display: flex; gap: var(--space-5); list-style: none; margin: 0; padding: 0; flex: 1; }
.se-nav a { color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500; }
.se-nav a:hover, .se-nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; text-decoration-color: var(--signal); }
.se-header__tools { display: flex; align-items: center; gap: var(--space-3); margin-left: auto; }
.se-iconbtn { width: 40px; height: 40px; display: inline-grid; place-items: center; border: 1px solid var(--line-strong); border-radius: var(--radius-s); background: var(--surface); color: var(--ink); cursor: pointer; }
@media (max-width: 960px) { .se-nav { display: none; } }
@media (max-width: 640px) { .se-header__bar { gap: var(--space-3); } .se-floors a { padding: var(--space-2); font-size: 12px; } .se-header__tools .se-btn { display: none; } }

/* ---------- Breadcrumbs ---------- */
.se-crumbs { display: flex; flex-wrap: wrap; gap: var(--space-2); list-style: none; margin: 0; padding: 0; font-family: var(--font-mono); font-size: 13px; line-height: 18px; color: var(--ink-subtle); }
.se-crumbs li + li::before { content: "/"; margin-right: var(--space-2); color: var(--line-strong); }
.se-crumbs a { color: var(--ink-muted); text-decoration: none; }
.se-crumbs a:hover { color: var(--steel); text-decoration: underline; }

/* ---------- Pagination ---------- */
.se-pager { display: flex; gap: var(--space-1); list-style: none; margin: 0; padding: 0; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.se-pager a, .se-pager span { min-width: 40px; height: 40px; display: inline-grid; place-items: center; padding-inline: var(--space-2); border: 1px solid var(--line); border-radius: var(--radius-s); color: var(--ink); text-decoration: none; background: var(--surface); font-size: 14px; }
.se-pager a:hover { border-color: var(--ink); }
.se-pager [aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.se-pager .se-pager__gap { border-color: transparent; background: transparent; color: var(--ink-subtle); }

/* ---------- SiteFooter ---------- */
.se-footer { background: var(--band); color: var(--paper-ink); padding-block: var(--space-16) var(--space-8); }
.se-footer a { color: var(--paper-ink); }
.se-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-8); }
.se-footer__title { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); margin: 0 0 var(--space-3); }
.se-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); font-size: 15px; }
.se-footer__base { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--line-strong); display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; font-family: var(--font-mono); font-size: 13px; }
@media (max-width: 960px) { .se-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .se-footer__grid { grid-template-columns: 1fr; } }

/* ---------- ArticleCard ---------- */
.se-card { display: grid; gap: var(--space-3); padding: var(--space-6); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); text-decoration: none; color: var(--ink); }
.se-root a.se-card { color: var(--ink); }
.se-root a.se-card:hover { border-color: var(--ink); }
.se-card__media { aspect-ratio: 16 / 9; max-width: 100%; background: var(--sunken); border-radius: var(--radius-s); overflow: hidden; }
.se-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.se-card__title { font-family: var(--font-display); font-size: 22px; line-height: 28px; font-weight: 600; margin: 0; text-wrap: balance; }
.se-card__excerpt { color: var(--ink-muted); margin: 0; font-size: 15px; line-height: 24px; }
.se-card__meta { font-family: var(--font-mono); font-size: 13px; line-height: 18px; color: var(--ink-subtle); display: flex; gap: var(--space-3); flex-wrap: wrap; }
.se-card--row { grid-template-columns: 200px 1fr; align-items: start; }
@media (max-width: 640px) { .se-card--row { grid-template-columns: 1fr; } }

/* ---------- TitleBlock (штамп) ---------- */
.se-stamp { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line-strong); background: var(--surface); font-size: 14px; line-height: 20px; }
.se-stamp > div { padding: var(--space-2) var(--space-3); border-right: 1px solid var(--line-strong); display: grid; gap: 2px; align-content: start; }
.se-stamp > div:last-child { border-right: 0; }
.se-stamp dt { font-family: var(--font-mono); font-size: 11px; line-height: 14px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-subtle); }
.se-stamp dd { margin: 0; color: var(--ink); }
@media (max-width: 640px) { .se-stamp { grid-template-columns: 1fr 1fr; } .se-stamp > div:nth-child(2n) { border-right: 0; } .se-stamp > div:nth-child(-n+2) { border-bottom: 1px solid var(--line-strong); } }

/* ---------- SpecTable ---------- */
.se-tablewrap { overflow-x: auto; border: 1px solid var(--line); background: var(--surface); }
.se-table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 22px; }
.se-table caption { caption-side: top; text-align: left; padding: var(--space-3); font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-subtle); border-bottom: 1px solid var(--line); }
.se-table th, .se-table td { padding: var(--space-3); text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.se-table thead th { background: var(--sunken); font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); }
.se-table td.se-num, .se-table th.se-num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.se-table tbody tr:last-child td { border-bottom: 0; }
.se-table tbody tr:hover td { background: var(--signal-soft); }

/* ---------- Callout ---------- */
.se-note { border: 1px solid var(--line-strong); border-radius: var(--radius-s); background: var(--surface); }
.se-note__head { font-family: var(--font-mono); font-size: 12px; line-height: 16px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--line-strong); background: var(--sunken); color: var(--ink-muted); }
.se-note__body { padding: var(--space-3) var(--space-4); }
.se-note__body > :first-child { margin-top: 0; } .se-note__body > :last-child { margin-bottom: 0; }
.se-note--warn .se-note__head { background: var(--signal); color: var(--on-signal); border-bottom-color: var(--signal); }

/* ---------- AuthorCard ---------- */
.se-author { display: grid; grid-template-columns: 56px 1fr; gap: var(--space-3); align-items: center; }
.se-author__photo { width: 56px; height: 56px; border-radius: var(--radius-s); background: var(--sunken); object-fit: cover; display: block; }
.se-author__name { font-weight: 600; margin: 0; }
.se-author__role { margin: 0; font-size: 14px; line-height: 20px; color: var(--ink-muted); }
.se-author--full { grid-template-columns: 96px 1fr; align-items: start; padding: var(--space-6); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); }
.se-author--full .se-author__photo { width: 96px; height: 96px; }

/* ---------- IndexTile ---------- */
.se-index { background: var(--band); color: var(--paper-ink); padding: var(--space-6); border-radius: var(--radius-m); display: grid; gap: var(--space-3); }
.se-index__label { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); }
.se-index__value { font-family: var(--font-mono); font-size: 64px; line-height: 64px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.se-index__row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; font-family: var(--font-mono); font-size: 13px; color: var(--paper-ink); }
.se-index .se-change--rise { color: var(--rise-on-band); }
.se-index .se-change--fall { color: var(--fall-on-band); }
.se-index__spark { width: 100%; height: 56px; display: block; }
.se-index__spark path { fill: none; stroke: var(--signal); stroke-width: 2; }
.se-index__spark .se-spark-area { fill: var(--signal); opacity: .14; stroke: none; }
.se-index__spark circle { fill: var(--signal); }
.se-index--light { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.se-index--light .se-index__label { color: var(--ink-subtle); }
.se-index--light .se-index__row { color: var(--ink-muted); }
.se-index--light .se-change--rise { color: var(--rise); } .se-index--light .se-change--fall { color: var(--fall); }
.se-index--light .se-index__spark path { stroke: var(--ink); } .se-index--light .se-index__spark .se-spark-area { fill: var(--ink); opacity: .06; } .se-index--light .se-index__spark circle { fill: var(--ink); }
.se-index--light .se-index__value { font-size: 32px; line-height: 36px; }

/* ---------- MetalPrices ---------- */
.se-prices { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); }
.se-prices__head { display: flex; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; padding: var(--space-4); border-bottom: 1px solid var(--line); }
.se-prices__title { font-family: var(--font-display); font-weight: 600; font-size: 18px; line-height: 24px; margin: 0; }
.se-prices__asof { font-family: var(--font-mono); font-size: 13px; color: var(--ink-subtle); }
.se-prices .se-table { font-size: 14px; }

/* ---------- ProgramCard (господдержка) ---------- */
.se-program { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); display: grid; }
.se-program__head { padding: var(--space-5) var(--space-6) var(--space-3); display: grid; gap: var(--space-2); }
.se-program__title { font-family: var(--font-display); font-size: 22px; line-height: 28px; font-weight: 600; margin: 0; text-wrap: balance; }
.se-program__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); margin: 0; }
.se-program__facts > div { padding: var(--space-3) var(--space-6); border-right: 1px solid var(--line); }
.se-program__facts > div:last-child { border-right: 0; }
.se-program__facts dt { font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-subtle); }
.se-program__facts dd { margin: 2px 0 0; font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 15px; font-weight: 600; }
.se-program__foot { padding: var(--space-3) var(--space-6); border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.se-status { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.se-status::before { content: "● "; }
.se-status--open { color: var(--rise); } .se-status--closed { color: var(--ink-subtle); } .se-status--changed { color: var(--fall); }
@media (max-width: 640px) { .se-program__facts { grid-template-columns: 1fr; } .se-program__facts > div { border-right: 0; border-bottom: 1px solid var(--line); } }

/* ---------- PullQuote ---------- */
.se-quote { margin: 0; padding-block: var(--space-6); border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); display: grid; gap: var(--space-4); }
.se-quote blockquote { margin: 0; font-family: var(--font-display); font-size: 28px; line-height: 36px; font-weight: 600; text-wrap: balance; }
.se-quote blockquote::before { content: "«"; } .se-quote blockquote::after { content: "»"; }
.se-quote figcaption { font-family: var(--font-mono); font-size: 13px; line-height: 18px; color: var(--ink-subtle); }
.se-quote figcaption b { color: var(--ink); font-weight: 600; }

/* ---------- SubscribeBlock ---------- */
.se-subscribe { background: var(--band); color: var(--paper-ink); border-radius: var(--radius-m); padding: var(--space-8); display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-8); align-items: center; }
.se-subscribe h3 { font-family: var(--font-display); font-size: 28px; line-height: 34px; font-weight: 700; margin: 0 0 var(--space-2); text-wrap: balance; }
.se-subscribe p { margin: 0; color: var(--paper-ink); opacity: .82; }
.se-subscribe__actions { display: grid; gap: var(--space-3); }
.se-subscribe__row { display: flex; gap: var(--space-2); }
.se-subscribe input { flex: 1; min-width: 0; font: inherit; padding: var(--space-3); border-radius: var(--radius-s); border: 1px solid var(--paper-ink); background: transparent; color: var(--paper-ink); }
.se-subscribe input::placeholder { color: var(--paper-ink); opacity: .6; }
.se-subscribe--rail { grid-template-columns: 1fr; padding: var(--space-6); gap: var(--space-4); }
.se-subscribe--rail h3 { font-size: 22px; line-height: 28px; }
@media (max-width: 960px) { .se-subscribe { grid-template-columns: 1fr; padding: var(--space-6); } }

/* ---------- Field & LeadForm ---------- */
.se-form { display: grid; gap: var(--space-4); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); padding: var(--space-6); }
.se-form__title { font-family: var(--font-display); font-size: 22px; line-height: 28px; font-weight: 600; margin: 0; }
.se-field { display: grid; gap: var(--space-1); }
.se-field label { font-size: 14px; line-height: 20px; font-weight: 600; }
.se-field label .se-req { color: var(--fall); }
.se-field input, .se-field textarea, .se-field select { font: inherit; font-size: 16px; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-s); padding: var(--space-3); width: 100%; }
.se-field textarea { min-height: 112px; resize: vertical; }
.se-field__help { font-size: 13px; line-height: 18px; color: var(--ink-subtle); }
.se-field--error input, .se-field--error textarea { border-color: var(--fall); border-width: 2px; }
.se-field--error .se-field__help { color: var(--fall); }
.se-form__legal { font-size: 13px; line-height: 18px; color: var(--ink-subtle); margin: 0; }

/* ---------- AnalogsBlock (мост к Sterbrust) ---------- */
.se-analogs { border: 1px solid var(--line-strong); border-radius: var(--radius-m); background: var(--surface); }
.se-analogs__head { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; }
.se-analogs__title { font-family: var(--font-display); font-size: 20px; line-height: 26px; font-weight: 600; margin: 0; }
.se-analogs__by { font-family: var(--font-mono); font-size: 12px; color: var(--ink-subtle); }
.se-analogs__by b { color: var(--sterbrust); }
.se-analogs__list { list-style: none; margin: 0; padding: 0; }
.se-analogs__item { display: grid; grid-template-columns: 1fr auto; gap: var(--space-3); padding: var(--space-3) var(--space-5); border-bottom: 1px solid var(--line); align-items: center; }
.se-analogs__item:last-child { border-bottom: 0; }
.se-analogs__name { font-weight: 600; margin: 0; }
.se-analogs__spec { font-family: var(--font-mono); font-size: 13px; color: var(--ink-muted); margin: 0; }
.se-analogs__price { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.se-analogs__foot { padding: var(--space-3) var(--space-5); border-top: 1px solid var(--line); background: var(--sunken); font-size: 13px; line-height: 18px; color: var(--ink-muted); }

/* ---------- Prose (article body) ---------- */
.se-prose { max-width: var(--measure); font-size: 18px; line-height: 30px; }
.se-prose h2 { font-family: var(--font-display); font-size: 28px; line-height: 34px; font-weight: 600; margin: var(--space-12) 0 var(--space-4); text-wrap: balance; }
.se-prose h3 { font-family: var(--font-display); font-size: 22px; line-height: 28px; font-weight: 600; margin: var(--space-8) 0 var(--space-3); }
.se-prose p, .se-prose ul, .se-prose ol { margin: 0 0 var(--space-5); }
.se-prose li + li { margin-top: var(--space-2); }
.se-prose mark { background: var(--signal-soft); color: var(--ink); padding: 0 2px; }
.se-prose figure { margin: var(--space-8) 0; }
.se-prose figcaption { font-family: var(--font-mono); font-size: 13px; line-height: 18px; color: var(--ink-subtle); margin-top: var(--space-2); }
.se-prose code { font-family: var(--font-mono); font-size: .9em; background: var(--sunken); padding: 1px 4px; border-radius: var(--radius-s); }
.se-prose a { text-decoration-thickness: 1px; text-underline-offset: 3px; }
/* Слой сайта поверх дизайн-системы: раскладка страниц, шапка на телефоне,
   оформление содержимого статей, написанных до дизайн-системы, тёмная тема.
   Все значения — из токенов (10-tokens.css). Компоненты se-* — в 20-components.css. */

/* ---------- Тёмная тема по настройке системы ---------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1214; --surface: #171b1f; --sunken: #0a0c0e; --band: #060708;
    --ink: #e9edef; --ink-muted: #aab4bb; --ink-subtle: #8f9aa2; --paper-ink: #e9edef;
    --line: #2a3238; --line-strong: #66717a;
    --signal: #fde037; --on-signal: #15191c; --signal-soft: #3a3410;
    --steel: #8fc3ee; --focus: #fde037;
    --rise: #5fd39a; --fall: #ff8a7a; --rise-on-band: #5fd39a; --fall-on-band: #ff8a7a;
    --sterbrust: #e9edef; --shadow-pop: 0 8px 24px rgba(0,0,0,0.55);
    color-scheme: dark;
  }
}
[data-theme="dark"] { color-scheme: dark; }

/* ---------- Основа ---------- */
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body { margin: 0; background: var(--paper); }
.se-root { min-height: 100vh; display: flex; flex-direction: column; }
.se-root > main { flex: 1 0 auto; }
.se-root a:hover { color: var(--ink); }
.se-root img { max-width: 100%; height: auto; }
.se-hidden { position: absolute; left: -9999px; }
.se-skip { position: absolute; left: -9999px; top: 0; z-index: 30; background: var(--signal); color: var(--on-signal); padding: var(--space-2) var(--space-3); }
.se-root a.se-skip { color: var(--on-signal); }
.se-skip:focus { left: var(--space-4); top: var(--space-2); }

/* ---------- Шапка: липкая, с меню на узком экране ---------- */
.se-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; }
.se-header__bar { position: relative; }
.se-menu-btn { display: none; }
.se-root a.se-iconbtn { color: var(--ink); }
.se-iconbtn:hover { border-color: var(--ink); }
@media (max-width: 960px) {
  .se-menu-btn { display: inline-grid; }
  .se-nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--surface); border: 1px solid var(--line); border-top: 0;
    box-shadow: var(--shadow-pop); padding: var(--space-2) var(--space-4);
  }
  .se-nav--open { display: flex; }
  .se-nav a { display: block; padding: var(--space-3) 0; font-size: 16px; }
  .se-nav li + li { border-top: 1px solid var(--line); }
}

/* ---------- Раскладка страниц ---------- */
.se-page { padding-block: var(--space-8) var(--space-12); display: grid; gap: var(--space-8); }
.se-narrow { max-width: 960px; }
.se-layout { display: flex; flex-wrap: wrap; gap: var(--space-12); align-items: start; }
.se-layout__main { flex: 999 1 560px; min-width: 0; }
.se-rail { flex: 1 1 300px; max-width: 360px; display: grid; gap: var(--space-6); }
@media (max-width: 960px) { .se-rail { max-width: none; } }
.se-stack { display: grid; gap: var(--space-4); }

.se-h1 { margin: 0; font-family: var(--font-display); font-size: 36px; line-height: 40px; font-weight: 600; text-wrap: balance; }
.se-h1--l { font-size: 42px; line-height: 46px; font-weight: 700; }
.se-h2 { margin: 0; font-family: var(--font-display); font-size: 28px; line-height: 34px; font-weight: 600; text-wrap: balance; }
.se-lead { margin: 0; font-size: 20px; line-height: 30px; color: var(--ink-muted); }
.se-lead--s { font-size: 18px; line-height: 28px; }
.se-lead p { margin: 0 0 var(--space-3); } .se-lead p:last-child { margin-bottom: 0; }
.se-head { display: grid; gap: var(--space-4); max-width: 860px; }
.se-sectionhead { display: grid; gap: var(--space-2); margin-bottom: var(--space-6); }
@media (max-width: 640px) {
  .se-h1 { font-size: 30px; line-height: 34px; } .se-h1--l { font-size: 34px; line-height: 38px; }
  .se-h2 { font-size: 24px; line-height: 30px; } .se-lead { font-size: 18px; line-height: 28px; }
  .se-layout { gap: var(--space-8); }
}

.se-hero { background: var(--surface); border-bottom: 1px solid var(--line); }
.se-hero__in { padding-block: var(--space-12); display: grid; gap: var(--space-6); max-width: 880px; margin-inline: 0; }
.se-searchform { display: flex; gap: var(--space-2); }
.se-searchform input {
  flex: 1; min-width: 0; font: inherit; font-size: 18px; padding: 14px var(--space-4);
  border: 1px solid var(--line-strong); border-radius: var(--radius-s); background: var(--surface); color: var(--ink);
}
.se-chips { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; }
.se-chips__label { font-family: var(--font-mono); font-size: 13px; color: var(--ink-subtle); }
.se-root a.se-tag[aria-current="page"], .se-tag--on { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.se-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); }
.se-grid--s { grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr)); }
.se-card__top { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-3); }
.se-card__count { font-family: var(--font-mono); font-size: 13px; color: var(--ink-subtle); }
.se-card__body { display: grid; gap: var(--space-3); align-content: start; min-width: 0; }
.se-card--row { padding: var(--space-5); gap: var(--space-5); }
.se-card--plain { grid-template-columns: 1fr; }

/* Блоки правой колонки */
.se-links { display: grid; gap: 0; }
.se-links .se-eyebrow { margin-bottom: var(--space-3); }
.se-root .se-links a { padding: var(--space-3) 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); line-height: 22px; }
.se-root .se-links a:hover { color: var(--steel); }
.se-toc { display: grid; gap: 10px; }
.se-toc a { text-decoration: none; line-height: 22px; }
.se-toc a:hover { text-decoration: underline; }
.se-promo__body { padding: var(--space-4) var(--space-5); display: grid; gap: var(--space-3); }
.se-promo__body p { margin: 0; font-size: 15px; line-height: 24px; color: var(--ink-muted); }
.se-promo__body .se-btn { justify-self: start; }
.se-subscribe--rail p { font-size: 15px; line-height: 24px; }
.se-subscribe__row .se-btn { flex: none; }
.se-subscribe__band { padding-block: 0 var(--space-12); }

.se-articlefoot { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.se-root .se-author__name a { color: var(--ink); text-decoration: none; }
.se-root .se-author__name a:hover { text-decoration: underline; }
.se-author--page { grid-template-columns: 160px 1fr; padding: var(--space-8); gap: var(--space-6); }
.se-author--page .se-author__photo { width: 160px; height: 160px; }
.se-author__facts { display: flex; gap: var(--space-6); font-family: var(--font-mono); font-size: 13px; color: var(--ink-subtle); }
@media (max-width: 640px) { .se-author--page { grid-template-columns: 72px 1fr; padding: var(--space-5); } .se-author--page .se-author__photo { width: 72px; height: 72px; } }
/* Штамп с любым числом ячеек: автор и дата есть не у каждой статьи. */
.se-stamp--auto { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); }
@media (max-width: 640px) {
  .se-stamp--auto { grid-auto-flow: row; grid-template-columns: 1fr; }
  .se-stamp--auto > div, .se-stamp--auto > div:nth-child(2n) { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .se-stamp--auto > div:last-child { border-bottom: 0; }
}

.se-404 { padding-block: var(--space-24); display: grid; gap: var(--space-6); max-width: 760px; margin-inline: 0; }
.se-404__code { font-family: var(--font-mono); font-size: 96px; line-height: 96px; font-weight: 600; }
.se-inline-links { display: flex; gap: var(--space-4); flex-wrap: wrap; }

.se-split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr)); gap: var(--space-12); align-items: start; }
.se-field input[type="file"] { padding: var(--space-2); font-size: 14px; }
.se-form .se-btn { justify-self: start; }
.se-msg { border: 1px solid var(--line-strong); border-left: 4px solid var(--rise); border-radius: var(--radius-s); background: var(--surface); padding: var(--space-4) var(--space-5); }
.se-msg--error { border-left-color: var(--fall); }

.se-contacts { display: grid; gap: var(--space-8); grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); }
.se-contacts dl { margin: 0; display: grid; gap: var(--space-4); }
.se-contacts dt { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-subtle); }
.se-contacts dd { margin: 2px 0 0; }

/* Окно «Нашли ошибку?» */
.se-dialog { border: 0; padding: 0; background: transparent; width: min(520px, calc(100vw - 32px)); color: var(--ink); }
.se-dialog::backdrop { background: rgba(6, 7, 8, .6); }
.se-dialog .se-form { box-shadow: var(--shadow-pop); }
.se-dialog__head { display: flex; justify-content: space-between; align-items: start; gap: var(--space-4); }
.se-dialog__close { border: 0; background: transparent; color: var(--ink); font-size: 28px; line-height: 28px; cursor: pointer; padding: 0 var(--space-1); }
.se-btn--link { border: 0; background: transparent; font: inherit; font-weight: 600; color: var(--steel); cursor: pointer; padding: 0; }
.se-btn--link:hover { text-decoration: underline; }

/* Подвал */
.se-footer .se-wordmark, .se-root .se-footer a.se-wordmark { color: var(--paper-ink); }
.se-footer__about { margin: var(--space-3) 0 0; max-width: 36ch; }
.se-footer a { text-decoration: none; } .se-footer a:hover { text-decoration: underline; }
.se-root .se-footer a:hover { color: var(--signal); }

/* Цены на металлы */
.se-prices__source { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--line); font-size: 13px; line-height: 18px; color: var(--ink-subtle); }
.se-prices .se-tablewrap { border: 0; }

/* ---------- Содержимое статей, написанных до дизайн-системы ---------- */
.se-prose { overflow-wrap: break-word; }
.se-prose > :first-child { margin-top: 0; }
.se-prose h1 { font-family: var(--font-display); font-size: 28px; line-height: 34px; font-weight: 600; margin: var(--space-12) 0 var(--space-4); }
.se-prose h4 { font-family: var(--font-display); font-size: 18px; line-height: 24px; font-weight: 600; margin: var(--space-6) 0 var(--space-2); }
.se-prose ul, .se-prose ol { padding-left: var(--space-6); }
.se-prose img { display: block; margin: var(--space-6) auto; border-radius: var(--radius-s); }
.se-prose a > img { margin-block: var(--space-4); }
.se-prose blockquote {
  margin: var(--space-6) 0; padding: var(--space-3) var(--space-4); background: var(--surface);
  border: 1px solid var(--line-strong); border-left: 4px solid var(--signal); border-radius: var(--radius-s);
}
.se-prose blockquote > :first-child { margin-top: 0; } .se-prose blockquote > :last-child { margin-bottom: 0; }
.se-prose table {
  display: block; width: max-content; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: var(--space-6) 0;
  font-size: 15px; line-height: 22px; background: var(--surface); border: 1px solid var(--line);
}
.se-prose table img { margin: var(--space-2) auto; }
.se-prose th, .se-prose td { padding: var(--space-2) var(--space-3); text-align: left; vertical-align: top; border: 1px solid var(--line); }
.se-prose th, .se-prose thead td { background: var(--sunken); font-weight: 600; }
.se-prose caption { text-align: left; padding: var(--space-2) var(--space-3); font-family: var(--font-mono); font-size: 13px; color: var(--ink-subtle); }
.se-prose .table-responsive { overflow-x: auto; }
.se-prose iframe { max-width: 100%; border: 0; }
/* Кнопки «Скачать ГОСТ» в старых статьях — это формы с одной кнопкой. */
.se-prose form { margin: var(--space-3) 0 0; }
.se-prose input[type="submit"] {
  font: inherit; font-size: 15px; font-weight: 600; padding: var(--space-2) var(--space-4); cursor: pointer;
  border: 1px solid var(--line-strong); border-radius: var(--radius-s); background: var(--surface); color: var(--ink);
}
.se-prose input[type="submit"]:hover { border-color: var(--ink); }
.se-prose--page { max-width: 76ch; }

/* В тёмной теме чертежи с прозрачным фоном остаются на белом, а цвета,
   заданные в старых статьях вручную, не должны сливаться с фоном. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .se-prose img { background: #fff; }
  :root:not([data-theme="light"]) .se-prose [style*="color"] { color: inherit !important; background-color: transparent !important; }
}

@media print {
  .se-header, .se-footer, .se-rail, .se-subscribe__band, .se-articlefoot .se-btn--link { display: none; }
  .se-prose { max-width: none; }
}

/* Цвет текста кнопок-ссылок: общее правило «.se-root a» иначе красит их как ссылки. */
.se-root a.se-btn--primary { color: var(--on-signal); }
.se-root a.se-btn--primary:hover { color: var(--paper); }
.se-root a.se-btn--secondary { color: var(--ink); }
.se-root a.se-btn--on-band { color: var(--paper-ink); }
.se-root a.se-btn--on-band:hover { color: var(--on-signal); }
.se-root a.se-btn--ghost, .se-root a.se-btn--ghost:hover { color: var(--steel); }
.se-card { align-content: start; }
.se-theme { border: 0; background: transparent; padding: 0; font: inherit; color: var(--paper-ink); cursor: pointer; }
.se-theme:hover { color: var(--signal); text-decoration: underline; }
/* Тёмная тема, выбранная вручную: те же поправки, что и для системной. */
[data-theme="dark"] .se-prose img { background: #fff; }
[data-theme="dark"] .se-prose [style*="color"] { color: inherit !important; background-color: transparent !important; }
/* Ссылка на сайт компании внутри текста подвала: подчёркнута, чтобы читалась как ссылка. */
.se-footer a.se-footer__brand { text-decoration: underline; text-underline-offset: 3px; }