:root {
  --primary: #155e75;
  --primary-dark: #0e4658;
  --accent: #e6f4f7;
  --text: #1f2933;
  --muted: #5d6b78;
  --border: #d9e1e7;
  --surface: #ffffff;
  --background: #f7f9fa;
  --max-width: 1060px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.65;
}
a { color: var(--primary); }
a:hover { color: var(--primary-dark); }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  max-width: var(--max-width);
  margin: auto;
  padding: 14px 20px;
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.2rem;
  white-space: nowrap;
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: .9rem;
}
.main-nav {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.main-nav a, .language-button {
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 9px 10px;
  border-radius: 8px;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}
.main-nav a:hover, .language-button:hover { background: var(--accent); }
.language-wrap { position: relative; }
.language-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 7px);
  min-width: 210px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px;
  box-shadow: 0 12px 28px rgba(0,0,0,.12);
  display: none;
}
.language-menu.open { display: block; }
.language-menu button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 9px 10px;
  border-radius: 7px;
  cursor: pointer;
}
.language-menu button:hover, .language-menu button.active { background: var(--accent); }
.hero {
  background: linear-gradient(180deg, #fff, #eef6f8);
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: var(--max-width);
  margin: auto;
  padding: 78px 20px;
  text-align: center;
}
.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .82rem;
}
h1 {
  margin: 12px auto 16px;
  max-width: 800px;
  line-height: 1.18;
  font-size: clamp(2rem, 6vw, 3.4rem);
}
.lead {
  max-width: 730px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.12rem;
}
.status-badge {
  display: inline-block;
  margin-top: 26px;
  padding: 9px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--primary-dark);
  font-weight: 700;
}
main.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 42px 20px 65px;
}
.section-title {
  text-align: center;
  margin-bottom: 26px;
}
.section-title h2 { margin-bottom: 6px; }
.section-title p { margin: 0; color: var(--muted); }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 22px;
}
.card h3 { margin-top: 0; }
.card p { color: var(--muted); }
.info-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 24px;
  margin-top: 32px;
}
.document {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: clamp(20px, 4vw, 38px);
}
.document h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  text-align: left;
}
.document h2 {
  color: var(--primary-dark);
  border-bottom: 1px solid var(--border);
  padding-bottom: 7px;
  margin-top: 30px;
}
.document h3 { margin-top: 24px; }
.meta {
  color: var(--muted);
  margin-bottom: 25px;
}
.document ul { padding-left: 24px; }
.document pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  margin: 0;
}
.lang-section { display: none; }
.lang-section.active { display: block; }
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-width);
  margin: auto;
  padding: 28px 20px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 22px;
  color: var(--muted);
  font-size: .94rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  justify-content: flex-end;
}
.footer-links a { text-decoration: none; }
.notice {
  background: #fff8dc;
  border-left: 5px solid #b58100;
  border-radius: 8px;
  padding: 14px 16px;
  margin: 18px 0;
}
.button-link {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 11px 16px;
  border-radius: 9px;
  text-decoration: none;
  font-weight: 700;
}
.button-link:hover { color: #fff; background: var(--primary-dark); }
@media (max-width: 760px) {
  .header-inner { align-items: flex-start; flex-direction: column; }
  .main-nav { justify-content: flex-start; }
  .language-menu { left: 0; right: auto; }
  .cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .hero-inner { padding: 54px 20px; }
}
@media print {
  .site-header, .site-footer { display: none; }
  body { background: #fff; }
  main.content { padding: 0; }
  .document { border: 0; }
}