/* Сайт «Грифа»: оформление как у программы — калька, синька, оттиск печати, основная надпись */

@font-face { font-family: "Tektur"; font-weight: 400 900; font-display: swap;
  src: url(fonts/tektur-cyrillic-wght-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Tektur"; font-weight: 400 900; font-display: swap;
  src: url(fonts/tektur-latin-wght-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Golos Text"; font-weight: 400 900; font-display: swap;
  src: url(fonts/golos-text-cyrillic-wght-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "Golos Text"; font-weight: 400 900; font-display: swap;
  src: url(fonts/golos-text-latin-wght-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "JetBrains Mono"; font-weight: 100 800; font-display: swap;
  src: url(fonts/jetbrains-mono-cyrillic-wght-normal.woff2) format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116; }
@font-face { font-family: "JetBrains Mono"; font-weight: 100 800; font-display: swap;
  src: url(fonts/jetbrains-mono-latin-wght-normal.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* ================================================================ токены */
:root {
  /* в своих шрифтах только латиница и кириллица — остальные письменности берутся из системы */
  --f-intl: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial;
  --f-display: "Tektur", var(--f-intl), sans-serif;
  --f-body: "Golos Text", var(--f-intl), sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Consolas, var(--f-intl), monospace;

  /* Калька */
  --paper: #E6ECEE;
  --sheet: #F4F7F7;
  --white: #FFFFFF;
  --ink: #1B2429;
  --ink-2: #4A5960;
  --ink-3: #75858C;
  --hair: rgba(27, 36, 41, .13);
  --hair-2: rgba(27, 36, 41, .30);
  --plot: #2552C9;
  --stamp: #5A3FC0;
  --on-stamp: #FFFFFF;
  --stamp-tint: #EEEAFB;
  --rev: #C63D2B;
  --grid-1: rgba(37, 82, 201, .055);
  --grid-2: rgba(37, 82, 201, .11);
  --shadow: 0 1px 2px rgba(27, 36, 41, .08), 0 18px 40px -14px rgba(27, 36, 41, .28);

  /* Синька — для финальной полосы в любой теме */
  --bp-paper: #0E2644;
  --bp-ink: #E4EEFB;
  --bp-ink-2: #A4BAD6;
  --bp-stamp: #B3A2FF;
  --bp-on-stamp: #140B3A;
  --bp-grid-1: rgba(134, 198, 255, .07);
  --bp-grid-2: rgba(134, 198, 255, .15);

  --wrap: 1180px;
  --gut: 24px;
  color-scheme: light;
}
:root:lang(zh) { --f-intl: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Noto Sans CJK SC"; }
:root:lang(ja) { --f-intl: "Yu Gothic UI", "Yu Gothic", "Meiryo", "Hiragino Sans", "Noto Sans JP", "Noto Sans CJK JP"; }
:root:lang(hi) { --f-intl: "Nirmala UI", "Kohinoor Devanagari", "Noto Sans Devanagari", "Mangal", "Segoe UI"; }
:root:lang(ar) { --f-intl: "Segoe UI", "Geeza Pro", "Noto Sans Arabic", Tahoma; }

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E2644;
    --sheet: #12305A;
    --white: #163864;
    --ink: #E4EEFB;
    --ink-2: #B3C5DD;
    --ink-3: #7F98BA;
    --hair: rgba(214, 230, 255, .14);
    --hair-2: rgba(214, 230, 255, .34);
    --plot: #86C6FF;
    --stamp: #B3A2FF;
    --on-stamp: #140B3A;
    --stamp-tint: rgba(179, 162, 255, .12);
    --rev: #FF8570;
    --grid-1: rgba(134, 198, 255, .06);
    --grid-2: rgba(134, 198, 255, .13);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 20px 44px -14px rgba(0, 0, 0, .6);
    --bp-paper: #091A31;
    color-scheme: dark;
  }
}

/* ================================================================ основа */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
:lang(hi) body, :lang(ar) body { line-height: 1.75; }
/* межбуквенный интервал рвёт связную арабскую вязь и черту деванагари */
:lang(ar) *, :lang(hi) * { letter-spacing: 0 !important; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--plot); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--stamp); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--stamp); color: var(--on-stamp); }
h1, h2, h3 { margin: 0; line-height: 1.15; font-family: var(--f-display); font-weight: 700; text-wrap: balance; }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--gut); }
.mono { font-family: var(--f-mono); }
.skip { position: absolute; inset-inline-start: 12px; top: -60px; z-index: 50; background: var(--stamp); color: var(--on-stamp);
  padding: 8px 14px; border-radius: 4px; text-decoration: none; font-weight: 600; }
.skip:focus { top: 12px; }
.flip { display: inline-block; }
[dir="rtl"] .flip { transform: scaleX(-1); }

/* ================================================================ шапка */
.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--hair-2);
}
.top .wrap { display: flex; align-items: center; gap: 22px; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; flex: none; }
.brand-mark {
  display: grid; place-items: center; width: 30px; height: 30px;
  border: 2px solid var(--stamp); outline: 1px solid var(--stamp); outline-offset: 2px; border-radius: 5px;
  color: var(--stamp); font: 800 17px/1 var(--f-display); transform: rotate(-6deg); filter: url(#ink);
}
[dir="rtl"] .brand-mark { transform: rotate(6deg); }
.brand-name { font: 700 20px/1 var(--f-display); letter-spacing: .06em; text-transform: uppercase; }
.brand-sub { font: 400 11px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .04em; }
.nav { display: flex; gap: 20px; margin-inline-start: auto; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: var(--ink); }
.top-buy { flex: none; }

.lang { position: relative; flex: none; }
.lang summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 7px;
  height: 36px; padding: 0 12px; border: 1px solid var(--hair-2); border-radius: 4px;
  font-size: 14px; color: var(--ink); background: var(--sheet); user-select: none;
}
.lang summary::-webkit-details-marker { display: none; }
.lang summary svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.lang summary::after { content: ""; width: 7px; height: 7px; border-inline-end: 1.5px solid; border-bottom: 1.5px solid;
  transform: translateY(-2px) rotate(45deg); margin-inline-start: 2px; opacity: .6; }
.lang[open] summary::after { transform: translateY(2px) rotate(225deg); }
.lang ul {
  position: absolute; inset-inline-end: 0; top: calc(100% + 6px); margin: 0; padding: 6px; list-style: none;
  min-width: 190px; background: var(--white); border: 1px solid var(--hair-2); border-radius: 6px; box-shadow: var(--shadow);
}
.lang li a { display: flex; justify-content: space-between; gap: 16px; padding: 7px 10px; border-radius: 4px;
  color: var(--ink); text-decoration: none; font-size: 15px; }
.lang li a:hover { background: var(--sheet); }
.lang li a[aria-current] { color: var(--stamp); font-weight: 600; }
.lang li a span { font: 400 11px/1.9 var(--f-mono); color: var(--ink-3); text-transform: uppercase; }

/* ================================================================ кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border-radius: 4px; border: 1.5px solid transparent;
  font: 600 16px/1.2 var(--f-body); text-decoration: none; text-align: center; cursor: pointer;
  transition: filter .15s, background-color .15s, transform .15s;
}
.btn svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn-stamp { background: var(--stamp); color: var(--on-stamp); }
.btn-stamp:hover { filter: brightness(1.1); }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 14px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: flex-start; }
.cta-item { display: flex; flex-direction: column; gap: 7px; }
.cta-meta { font: 400 12px/1.3 var(--f-mono); color: var(--ink-3); letter-spacing: .02em; padding-inline: 2px; }

/* ================================================================ первый экран */
.hero {
  padding: 56px 0 0;
  background-image:
    linear-gradient(var(--grid-2) 1px, transparent 1px), linear-gradient(90deg, var(--grid-2) 1px, transparent 1px),
    linear-gradient(var(--grid-1) 1px, transparent 1px), linear-gradient(90deg, var(--grid-1) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
  border-bottom: 1px solid var(--hair-2);
}
.kicker { display: inline-flex; align-items: center; gap: 10px; font: 500 12.5px/1.4 var(--f-mono); letter-spacing: .08em;
  text-transform: uppercase; color: var(--stamp); }
.kicker::before { content: ""; width: 9px; height: 9px; background: var(--stamp); transform: rotate(45deg); flex: none; }
.hero h1 { font-size: clamp(34px, 5.6vw, 68px); font-weight: 800; letter-spacing: -.005em; line-height: 1.04; margin: 18px 0 20px; max-width: 15ch; }
:lang(zh) .hero h1, :lang(ja) .hero h1 { max-width: 12em; line-height: 1.2; }
:lang(hi) .hero h1, :lang(ar) .hero h1 { line-height: 1.3; max-width: 18em; }
.hero .lead { font-size: clamp(17px, 1.6vw, 19.5px); color: var(--ink-2); max-width: 62ch; margin-bottom: 30px; }

.drawing { position: relative; margin: 56px 0 0; padding: 30px 0 0 34px; }
[dir="rtl"] .drawing { padding: 30px 34px 0 0; }
.drawing .frame { position: relative; border: 1px solid var(--hair-2); border-bottom: 0; border-radius: 6px 6px 0 0; overflow: hidden;
  background: var(--white); box-shadow: var(--shadow); }
.drawing .frame img { width: 100%; }
.dim { position: absolute; color: var(--plot); font: 500 11px/1 var(--f-mono); letter-spacing: .04em; }
.dim::before, .dim::after { content: ""; position: absolute; width: 1px; height: 12px; background: currentColor; transform: rotate(45deg); }
.dim span { position: absolute; background: var(--paper); padding: 2px 6px; }
.dim-h { top: 12px; inset-inline: 34px 0; border-top: 1px solid currentColor; }
[dir="rtl"] .dim-h { inset-inline: 34px 0; }
.dim-h::before { inset-inline-start: 0; top: -6px; }
.dim-h::after { inset-inline-end: 0; top: -6px; }
.dim-h span { left: 50%; top: -9px; transform: translateX(-50%); }
.dim-v { inset-inline-start: 12px; top: 30px; bottom: 0; border-inline-start: 1px solid currentColor; }
.dim-v::before { top: 0; inset-inline-start: -6px; transform: rotate(45deg) translate(4px, 0); width: 12px; height: 1px; }
.dim-v::after { display: none; }
/* в вертикальном письме логические inset-* становятся top/bottom — поэтому здесь физические left/right */
.dim-v span { top: 42%; left: -10px; writing-mode: vertical-rl; transform: rotate(180deg); padding: 6px 2px; }
[dir="rtl"] .dim-v span { left: auto; right: -10px; }
.drawing .stamp-wrap { position: absolute; z-index: 2; top: -4px; inset-inline-end: 3%; width: clamp(130px, 19vw, 236px); }
.drawing figcaption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.stamp { display: block; color: var(--stamp); overflow: visible; transform: rotate(-7deg); }
[dir="rtl"] .stamp { transform: rotate(7deg); }
.stamp g { filter: url(#ink); }
.stamp text { fill: currentColor; stroke: none; text-anchor: middle; }
.stamp .st-big { font: 800 22px var(--f-display); letter-spacing: 1.5px; }
.stamp .st-small { font: 600 10.5px var(--f-mono); letter-spacing: 1px; }
@media (prefers-reduced-motion: no-preference) {
  .drawing .stamp { animation: slam .55s .35s cubic-bezier(.2, .9, .3, 1.25) both; }
  @keyframes slam { from { opacity: 0; transform: scale(1.7) rotate(-14deg); } to { opacity: 1; transform: scale(1) rotate(-7deg); } }
  [dir="rtl"] .drawing .stamp { animation-name: slam-rtl; }
  @keyframes slam-rtl { from { opacity: 0; transform: scale(1.7) rotate(14deg); } to { opacity: 1; transform: scale(1) rotate(7deg); } }
}

/* основная надпись */
.tblock { display: grid; grid-template-columns: repeat(6, auto); background: var(--sheet); border: 1.5px solid var(--ink);
  border-radius: 0 0 6px 6px; position: relative; z-index: 1; margin-block: 0; margin-inline-start: 34px; }
[dir="rtl"] .tblock { margin-inline-start: 34px; }
.tblock div { padding: 12px 16px 13px; border-inline-start: 1px solid var(--hair-2); min-width: 0; }
.tblock div:first-child { border-inline-start: 0; }
.tblock dt { font: 500 10.5px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 4px; }
.tblock dd { margin: 0; font: 600 16px/1.3 var(--f-display); white-space: nowrap; }
.tblock .is-key dd { color: var(--stamp); }
.hero-tail { height: 64px; }

/* ================================================================ разделы */
.sec { padding: 96px 0; border-bottom: 1px solid var(--hair-2); }
.sec-alt { background: var(--sheet); }
.sec-head { display: grid; grid-template-columns: 92px 1fr; gap: 0 24px; margin-bottom: 44px; }
.sec-num { font: 600 13px/1 var(--f-mono); color: var(--stamp); letter-spacing: .1em; padding-top: 12px; border-top: 2px solid var(--stamp); align-self: start; }
.sec-head h2 { font-size: clamp(28px, 3.6vw, 44px); padding-top: 4px; }
.sec-head p { grid-column: 2; margin-top: 14px; color: var(--ink-2); font-size: 18px; max-width: 62ch; }

/* все возможности — ячейки листа */
.cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(268px, 1fr)); margin: 0 0 88px; padding: 0; list-style: none;
  border-top: 1px solid var(--hair-2); border-inline-start: 1px solid var(--hair-2); background: var(--sheet); }
.cells li { padding: 20px 22px 22px; border-inline-end: 1px solid var(--hair-2); border-bottom: 1px solid var(--hair-2); }
.cells .n { display: block; font: 500 11px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .1em; margin-bottom: 10px; }
.cells strong { display: block; font: 600 16.5px/1.3 var(--f-display); margin-bottom: 6px; }
.cells p { font-size: 14.5px; color: var(--ink-2); line-height: 1.55; }

/* показ с картинками */
.shot { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 52px; align-items: center; }
.shot + .shot { margin-top: 84px; }
.shot:nth-of-type(even) .shot-fig { order: 2; }
.shot-fig { margin: 0; }
.shot-fig .pic { border: 1px solid var(--hair-2); border-radius: 6px; overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.shot-fig figcaption { margin-top: 12px; font-size: 13.5px; color: var(--ink-3); display: flex; gap: 10px; }
.shot-fig figcaption b { font: 600 11px/1.7 var(--f-mono); color: var(--stamp); letter-spacing: .08em; flex: none; text-transform: uppercase; }
.shot-text .tag { font: 500 12px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .1em; text-transform: uppercase; }
.shot-text h3 { font-size: clamp(23px, 2.5vw, 31px); margin: 12px 0 16px; }
.shot-text p { color: var(--ink-2); font-size: 17px; }
.shot-wide { grid-template-columns: 1fr; gap: 28px; }
.shot-wide .shot-text { max-width: 760px; }

/* форматы */
.formats { margin-top: 40px; padding: 26px 28px; border: 1.5px dashed var(--hair-2); border-radius: 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.formats h3 { font-size: 18px; font-weight: 600; margin-inline-end: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; align-items: center; }
.chips li { font: 500 13px/1 var(--f-mono); padding: 7px 10px; border: 1px solid var(--hair-2); border-radius: 3px; background: var(--sheet); }
.chips .to { border: 0; background: none; color: var(--stamp); padding-inline: 2px; }
.chips .pdf { background: var(--stamp); color: var(--on-stamp); border-color: var(--stamp); }

/* шаги */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: st;
  border: 1.5px solid var(--ink); border-radius: 6px; background: var(--white); }
.steps li { padding: 28px 28px 30px; border-inline-start: 1px solid var(--hair-2); counter-increment: st; position: relative; }
.steps li:first-child { border-inline-start: 0; }
.steps li::before { content: counter(st); display: block; font: 800 56px/1 var(--f-display); color: transparent;
  -webkit-text-stroke: 1.5px var(--stamp); margin-bottom: 18px; }
.steps h3 { font-size: 20px; margin-bottom: 10px; }
.steps p { color: var(--ink-2); font-size: 15.5px; }
.steps .sheet-no { position: absolute; top: 16px; inset-inline-end: 18px; font: 500 10.5px/1 var(--f-mono); color: var(--ink-3); letter-spacing: .1em; }

/* цена */
.prices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; max-width: 980px; }
.price { position: relative; padding: 30px 30px 32px; border: 1px solid var(--hair-2); border-radius: 8px; background: var(--white); display: flex; flex-direction: column; }
.price.is-main { border: 2.5px solid var(--stamp); outline: 1px solid var(--stamp); outline-offset: 4px; }
.price h3 { font: 600 13px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.price.is-main h3 { color: var(--stamp); }
.amount { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 14px; margin: 18px 0 22px; }
.amount b { font: 800 64px/1 var(--f-display); letter-spacing: -.01em; }
.amount span { font: 500 13px/1.3 var(--f-mono); color: var(--ink-3); }
.ticks { margin: 0 0 28px; padding: 0; list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-inline-start: 28px; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; inset-inline-start: 2px; top: .38em; width: 12px; height: 7px;
  border-inline-start: 2px solid var(--stamp); border-bottom: 2px solid var(--stamp); transform: rotate(-45deg); }
[dir="rtl"] .ticks li::before { transform: rotate(45deg) scaleX(-1); }
.price .btn { margin-top: auto; }
.price-note { margin-top: 26px; color: var(--ink-3); font-size: 14.5px; max-width: 80ch; }

/* требования */
.req { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--white); border: 1.5px solid var(--ink); }
.req th, .req td { text-align: start; vertical-align: top; padding: 13px 18px; border-bottom: 1px solid var(--hair); }
.req thead th { font: 500 11px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3);
  border-bottom: 1.5px solid var(--ink); background: var(--sheet); }
.req tbody th { width: 30%; font-weight: 600; }
.req td { color: var(--ink-2); }
.req tr:last-child th, .req tr:last-child td { border-bottom: 0; }
.req-note { margin-top: 18px; color: var(--ink-3); font-size: 14.5px; }

/* вопросы */
.faq { max-width: 880px; border-top: 1.5px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--hair-2); }
.faq summary { list-style: none; cursor: pointer; display: flex; gap: 18px; align-items: baseline; padding: 20px 0; font: 600 18px/1.4 var(--f-body); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-inline-start: auto; font: 400 26px/1 var(--f-mono); color: var(--stamp); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 24px; color: var(--ink-2); max-width: 74ch; }
.faq-more { margin-top: 28px; font-size: 16.5px; }
.faq-more a { display: inline-flex; gap: 10px; font-weight: 600; }

/* финальная полоса — синька */
.band {
  background-color: var(--bp-paper); color: var(--bp-ink); padding: 92px 0;
  background-image:
    linear-gradient(var(--bp-grid-2) 1px, transparent 1px), linear-gradient(90deg, var(--bp-grid-2) 1px, transparent 1px),
    linear-gradient(var(--bp-grid-1) 1px, transparent 1px), linear-gradient(90deg, var(--bp-grid-1) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}
.band .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 36px 56px; align-items: center; }
.band h2 { font-size: clamp(30px, 4.2vw, 52px); font-weight: 800; max-width: 18ch; }
.band p { color: var(--bp-ink-2); font-size: 18px; margin-top: 14px; }
.band .btn-stamp { background: var(--bp-stamp); color: var(--bp-on-stamp); }
.band .btn-line { border-color: var(--bp-ink); color: var(--bp-ink); }
.band .btn-line:hover { background: var(--bp-ink); color: var(--bp-paper); }
.band .cta-meta { color: var(--bp-ink-2); }

/* подвал */
.foot { padding: 44px 0 56px; font-size: 14px; color: var(--ink-3); }
.foot .wrap { display: grid; gap: 22px; }
.foot-row { display: flex; flex-wrap: wrap; gap: 10px 26px; align-items: center; justify-content: space-between; }
.foot a { color: var(--ink-2); }
.foot-langs { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; padding: 0; list-style: none; }
.foot-langs a { text-decoration: none; }
.foot-langs a:hover { text-decoration: underline; }
.foot-langs a[aria-current] { color: var(--stamp); font-weight: 600; }

/* ================================================================ корневая страница выбора языка */
.chooser { padding: 72px 0 96px; }
.chooser h1 { font-size: clamp(32px, 5vw, 58px); font-weight: 800; max-width: 18ch; margin: 18px 0 18px; }
.chooser .lead { color: var(--ink-2); font-size: 18.5px; max-width: 62ch; margin-bottom: 40px; }
.langs { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 0; margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--hair-2); border-inline-start: 1px solid var(--hair-2); background: var(--sheet); }
.langs li { border-inline-end: 1px solid var(--hair-2); border-bottom: 1px solid var(--hair-2); }
.langs a { display: block; padding: 20px 22px 22px; height: 100%; color: var(--ink); text-decoration: none; transition: background-color .15s; }
.langs a:hover { background: var(--stamp-tint); }
.langs b { display: flex; justify-content: space-between; align-items: baseline; font: 700 21px/1.2 var(--f-display); margin-bottom: 8px; }
.langs b span { font: 500 11px/1 var(--f-mono); color: var(--ink-3); text-transform: uppercase; letter-spacing: .1em; }
.langs i { font-style: normal; color: var(--ink-2); font-size: 15px; line-height: 1.45; display: block; }
.langs .is-suggested a { background: var(--stamp-tint); box-shadow: inset 0 0 0 2px var(--stamp); }
.notfound { padding: 96px 0 120px; }
.notfound h1 { font-size: clamp(32px, 5vw, 56px); margin: 16px 0 14px; }

/* ================================================================ руководство пользователя /<язык>/guide/ */
.doc-hero {
  padding: 44px 0 52px; border-bottom: 1px solid var(--hair-2);
  background-image:
    linear-gradient(var(--grid-2) 1px, transparent 1px), linear-gradient(90deg, var(--grid-2) 1px, transparent 1px),
    linear-gradient(var(--grid-1) 1px, transparent 1px), linear-gradient(90deg, var(--grid-1) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
}
.crumbs ol { display: flex; flex-wrap: wrap; gap: 4px 10px; margin: 0 0 28px; padding: 0; list-style: none;
  font: 500 13px/1.5 var(--f-mono); color: var(--ink-3); }
.crumbs li + li::before { content: "/"; margin-inline-end: 10px; color: var(--hair-2); }
.crumbs a { color: var(--ink-2); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.doc-hero h1 { font-size: clamp(32px, 4.8vw, 58px); font-weight: 800; line-height: 1.06; margin: 16px 0 18px; max-width: 20ch; }
:lang(zh) .doc-hero h1, :lang(ja) .doc-hero h1 { max-width: none; line-height: 1.2; }
:lang(hi) .doc-hero h1, :lang(ar) .doc-hero h1 { max-width: none; line-height: 1.3; }
.doc-hero .lead { font-size: clamp(17px, 1.6vw, 19.5px); color: var(--ink-2); max-width: 62ch; }

.doc-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 64px; align-items: start; padding-block: 56px 104px; }
.doc-toc { position: sticky; top: 88px; max-height: calc(100vh - 108px); overflow-y: auto; padding-top: 14px; border-top: 2px solid var(--stamp); }
.doc-toc-h { font: 600 12px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--stamp); margin-bottom: 8px; }
.doc-toc ol { margin: 0; padding: 0; list-style: none; }
.doc-toc li { break-inside: avoid; }
.doc-toc a { display: flex; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--hair); color: var(--ink-2); text-decoration: none;
  font-size: 14.5px; line-height: 1.35; }
.doc-toc a:hover { color: var(--ink); }
.doc-toc a span { flex: none; font: 500 11px/1.75 var(--f-mono); color: var(--ink-3); letter-spacing: .06em; }

.doc { max-width: 800px; min-width: 0; font-size: 16.5px; line-height: 1.65; }
.doc p, .doc ul, .doc ol { margin: 0 0 14px; }
.doc ul, .doc ol { padding-inline-start: 24px; }
.doc li { margin-bottom: 6px; }
.doc li::marker { color: var(--stamp); }
.doc h2 { display: flex; gap: 16px; align-items: baseline; margin: 72px 0 20px; padding-top: 16px; border-top: 1.5px solid var(--ink);
  font-size: clamp(25px, 2.6vw, 33px); line-height: 1.2; }
.doc h2:first-child { margin-top: 0; }
.doc-n { flex: none; font: 600 13px/1 var(--f-mono); color: var(--stamp); letter-spacing: .1em; }
.doc h3 { margin: 38px 0 12px; font-size: 20px; line-height: 1.3; }
.doc b { font-weight: 650; color: var(--ink); }
.doc code, .doc kbd { font: 500 .86em/1.4 var(--f-mono); padding: 1px 6px; border: 1px solid var(--hair-2); border-radius: 3px;
  background: var(--white); unicode-bidi: isolate; }
.doc code { overflow-wrap: anywhere; }
.doc kbd { white-space: nowrap; box-shadow: inset 0 -1.5px 0 var(--hair-2); }
.doc table { width: 100%; border-collapse: collapse; margin: 18px 0 26px; font-size: 15px; background: var(--white); border: 1.5px solid var(--ink); }
.doc th, .doc td { text-align: start; vertical-align: top; padding: 12px 16px; border-bottom: 1px solid var(--hair); overflow-wrap: anywhere; }
.doc thead th { font: 500 11px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3);
  border-bottom: 1.5px solid var(--ink); background: var(--sheet); }
.doc td { color: var(--ink-2); }
.doc td:first-child { width: 32%; font-weight: 600; color: var(--ink); }
.doc tr:last-child td { border-bottom: 0; }
.doc-fig { margin: 26px 0 30px; }
.doc-fig .pic { border: 1px solid var(--hair-2); border-radius: 6px; overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.doc-fig img { width: 100%; }
.doc-fig figcaption { margin-top: 12px; font-size: 14px; color: var(--ink-3); }
.doc .note { margin: 20px 0; padding: 14px 18px; border-inline-start: 3px solid var(--stamp); background: var(--stamp-tint);
  border-start-end-radius: 6px; border-end-end-radius: 6px; }
.doc .warn { border-inline-start-color: var(--rev); background: color-mix(in srgb, var(--rev) 9%, transparent); }
.doc-steps > li { padding-inline-start: 4px; }
.doc-langs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0 !important; }
.doc-langs li { margin: 0; padding: 3px 10px; border: 1px solid var(--hair-2); border-radius: 3px; background: var(--sheet); font-size: 14.5px; }

/* ================================================================ узкие экраны */
@media (max-width: 1080px) {
  .nav { display: none; }
  .lang { margin-inline-start: auto; }
  .tblock { grid-template-columns: repeat(3, 1fr); }
  .tblock div:nth-child(4) { border-inline-start: 0; }
  .tblock div:nth-child(n+4) { border-top: 1px solid var(--hair-2); }
}
@media (max-width: 860px) {
  :root { --gut: 20px; }
  .hero { padding-top: 40px; }
  .shot, .shot-wide { grid-template-columns: 1fr; gap: 26px; }
  .shot:nth-of-type(even) .shot-fig { order: 0; }
  .shot + .shot { margin-top: 64px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { border-inline-start: 0; border-top: 1px solid var(--hair-2); }
  .steps li:first-child { border-top: 0; }
  .prices { grid-template-columns: 1fr; }
  .band .wrap { grid-template-columns: 1fr; }
  .sec { padding: 72px 0; }
  .sec-head { grid-template-columns: 1fr; gap: 14px; }
  .sec-num { width: 64px; }
  .sec-head p { grid-column: 1; }
  .cells { margin-bottom: 64px; }
  .req tbody th { width: 38%; }
  .doc-layout { grid-template-columns: 1fr; gap: 40px; padding-block: 36px 80px; }
  .doc-toc { position: static; max-height: none; overflow: visible; }
  .doc-toc ol { columns: 2; column-gap: 32px; }
  .doc h2 { margin-top: 56px; }
}
@media (max-width: 600px) {
  :root { --gut: 16px; }
  .brand-sub, .top-buy { display: none; }
  .top .wrap { gap: 14px; }
  .btn { width: 100%; }
  .cta, .cta-item { width: 100%; }
  .drawing { padding: 22px 0 0 22px; margin-top: 40px; }
  [dir="rtl"] .drawing { padding: 22px 22px 0 0; }
  .dim-h { top: 8px; inset-inline-start: 22px; }
  .dim-v { inset-inline-start: 7px; top: 22px; }
  .tblock { margin-inline-start: 22px; grid-template-columns: repeat(2, 1fr); }
  .tblock div:nth-child(4) { border-inline-start: 1px solid var(--hair-2); }
  .tblock div:nth-child(odd) { border-inline-start: 0; }
  .tblock div:nth-child(n+3) { border-top: 1px solid var(--hair-2); }
  .tblock dd { white-space: normal; font-size: 15px; }
  .tblock div { padding: 10px 12px 11px; }
  .amount b { font-size: 52px; }
  .price { padding: 24px 22px 26px; }
  .req, .req tbody, .req tr, .req th, .req td { display: block; width: 100%; }
  .req thead { display: none; }
  .req tbody th { width: 100%; border-bottom: 0; padding-bottom: 2px; }
  .req td { padding-top: 0; }
  .formats { padding: 20px; }
  .faq summary { font-size: 16.5px; }
  .doc-hero { padding: 32px 0 40px; }
  .crumbs ol { margin-bottom: 20px; }
  .doc-toc ol { columns: 1; }
  .doc { font-size: 16px; }
  .doc h2 { margin-top: 48px; gap: 12px; }
  .doc table, .doc tbody, .doc tr, .doc td { display: block; width: 100%; }
  .doc thead { display: none; }
  .doc tr { border-bottom: 1px solid var(--hair); }
  .doc tr:last-child { border-bottom: 0; }
  .doc td { border-bottom: 0; }
  .doc td:first-child { width: 100%; padding-bottom: 2px; }
  .doc td + td { padding-top: 0; }
}
@media print {
  .top, .band, .lang, .doc-toc { display: none; }
  .sec { padding: 28px 0; }
  .doc-layout { display: block; padding-block: 24px 0; }
}