@font-face {
  font-family: "Bitter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/bitter-cyr-700.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Bitter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/bitter-latin-ext-700.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Bitter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/bitter-latin-700.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+FEFF, U+FFFD;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/onest-cyr-400.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/onest-latin-ext-400.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/onest-latin-400.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+FEFF, U+FFFD;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/onest-cyr-700.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/onest-latin-ext-700.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C0, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/onest-latin-700.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+FEFF, U+FFFD;
}

:root {
  --sheet: #f4f7fb;
  --ink: #12151c;
  --muted: #4a5568;
  --line: #c5d4ea;
  --cobalt: #1f4ead;
  --navy: #0d1f44;
  --paper: #ffffff;
  --focus: #1f4ead;
  --serif: "Bitter", "Georgia", serif;
  --sans: "Onest", system-ui, sans-serif;
  --container: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  overflow-x: hidden;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--sheet);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }

.skip {
  position: absolute;
  left: 1rem;
  top: -120px;
  z-index: 80;
  padding: 0.6rem 1rem;
  background: var(--cobalt);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.skip:focus { top: 1rem; }

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.18;
  color: var(--navy);
}
h1 { font-size: clamp(1.9rem, 4.4vw, 3.2rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.45rem, 2.4vw, 2.1rem); margin: 0 0 0.9rem; max-width: 24ch; }
h3 { font-size: 1.12rem; margin: 1.3rem 0 0.5rem; color: var(--cobalt); }
p { margin: 0 0 1rem; color: var(--muted); }

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--navy);
  color: #fff;
  border-bottom: 1px solid #2a4a8a;
}

.bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: min(100% - 2rem, 1360px);
  min-height: 72px;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
}

.geo {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  border: 1px solid #7ea2e6;
  padding: 0.12rem 0.35rem;
}

.desktop {
  display: flex;
  flex: 1;
  justify-content: flex-end;
  gap: 0.75rem;
  overflow: auto;
}
.desktop a {
  text-decoration: none;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #c5d4ea;
  white-space: nowrap;
}
.desktop a:hover { color: #fff; }

.actions { display: flex; align-items: center; gap: 0.5rem; }

.lang { display: inline-flex; border: 1px solid #4a6cb3; }
.lang a {
  min-width: 40px;
  min-height: 34px;
  display: grid;
  place-items: center;
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
}
.lang a[aria-current="page"] { background: var(--cobalt); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 1rem;
  border: 1px solid var(--cobalt);
  background: transparent;
  color: var(--cobalt);
  font-family: var(--sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--cobalt); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--cobalt); color: #fff; }
.btn-primary:hover { background: #163c8a; }
.header .btn { color: #fff; border-color: #7ea2e6; }
.header .btn:hover { background: #fff; color: var(--navy); }
.header .btn-primary { background: var(--cobalt); border-color: var(--cobalt); }
.header .btn-primary:hover { background: #fff; color: var(--navy); }

.nav-toggle, .burger, .mobile { display: none; }

.hero {
  width: min(100% - 2rem, 1040px);
  margin: clamp(1.6rem, 4vw, 2.8rem) auto 2.2rem;
}

.titleblock {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--navy);
  padding: 1.7rem 1.5rem 1.6rem;
}
.titleblock::before,
.titleblock::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cobalt);
}
.titleblock::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.titleblock::after { top: -2px; right: -2px; border-left: 0; border-bottom: 0; }
.titleblock .crop-bl,
.titleblock .crop-br {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cobalt);
}
.titleblock .crop-bl { bottom: -2px; left: -2px; border-right: 0; border-top: 0; }
.titleblock .crop-br { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.2rem;
  margin: 0 0 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cobalt);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.section { padding-bottom: 2.2rem; }

.banner {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 156px;
  padding: 1rem 6vw;
  overflow: hidden;
  background:
    linear-gradient(var(--navy) 1px, transparent 1px),
    linear-gradient(90deg, var(--navy) 1px, transparent 1px),
    var(--cobalt);
  background-size: 28px 28px, 28px 28px, auto;
  color: #fff;
  border-block: 1px solid var(--navy);
}

.banner-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  color: #fff;
}

.num {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.45rem 0.6rem;
  border: 1px solid #fff;
  background: var(--navy);
}

.banner svg { width: min(22vw, 140px); opacity: 0.85; }

.body { padding-top: 1.4rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.05rem 0 0;
  padding: 0;
  list-style: none;
}

.card {
  padding: 1rem 1.05rem;
  background: var(--paper);
  border: 1px solid var(--navy);
  box-shadow: 4px 4px 0 var(--line);
}
.card h3 { margin: 0 0 0.4rem; }
.card p { margin: 0; }

.samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}
.samples li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--navy);
  background: var(--paper);
  color: var(--cobalt);
  font-weight: 700;
}

.gold { color: var(--cobalt); font-weight: 700; }

.layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
  margin-top: 0.7rem;
}

.faq {
  margin-bottom: 0.45rem;
  padding: 0.75rem 0.95rem;
  background: var(--paper);
  border: 1px solid var(--navy);
}
.faq summary { cursor: pointer; color: var(--navy); font-weight: 700; }

.form {
  display: grid;
  gap: 0.7rem;
  padding: 1.1rem;
  background: var(--navy);
  color: #fff;
}
.form h3 { color: #c5d4ea; margin-top: 0; }
.form label { display: grid; gap: 0.3rem; color: #fff; }
.form input, .form textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid #7ea2e6;
  background: var(--paper);
  color: var(--ink);
}
.form input:user-invalid, .form textarea:user-invalid { border-color: #e07a7a; }

.footer {
  padding: 2rem 0 2.4rem;
  background: var(--navy);
  color: #c5d4ea;
  border-top: 4px solid var(--cobalt);
}
.footer p { color: #c5d4ea; }
.footer p:first-child { color: #fff; font-weight: 700; }

@media (max-width: 1280px) {
  .desktop, .hide-sm { display: none; }
  .burger {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 0.7rem;
    border: 1px solid #7ea2e6;
    color: #fff;
    cursor: pointer;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .mobile {
    display: none;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0 1rem 1rem;
    background: var(--navy);
  }
  .mobile a { text-decoration: none; color: #fff; font-weight: 700; }
  .nav-toggle:checked ~ .mobile { display: flex; }
}

@media (max-width: 1024px) {
  .layout, .grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .banner { grid-template-columns: auto 1fr; min-height: 128px; padding: 1rem 1.1rem; }
  .banner svg { display: none; }
}

.toc {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto 2rem;
  padding: 1.1rem 1.2rem;
  background: var(--paper, #fff);
  border: 1px solid var(--navy, #0d1f44);
}
.toc h2 { margin: 0 0 0.7rem; font-size: 1.05rem; }
.toc ol { margin: 0; padding-left: 1.2rem; }
.toc a { color: var(--cobalt, #1f4ead); text-decoration: none; font-weight: 700; }
.toc a:hover { text-decoration: underline; }
.lead { font-size: 1.05rem; }
.table-wrap { overflow-x: auto; margin: 0 0 1.1rem; }
.table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.table th, .table td {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--navy, #0d1f44);
  text-align: left;
  vertical-align: top;
}
.table th { background: var(--navy, #0d1f44); color: #fff; }
.list { margin: 0 0 1rem; padding-left: 1.2rem; }
.list li { margin: 0 0 0.4rem; }
.section-cta { margin: 1rem 0 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}