:root {
  --ink: #0d1b2a;
  --muted: #526173;
  --line: #d8e0ea;
  --panel: #ffffff;
  --soft: #f4f7fb;
  --brand: #0f6b5c;
  --brand-dark: #0a4d42;
  --accent: #f5b642;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--soft);
  line-height: 1.6;
}
a { color: var(--brand-dark); }
.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  font-size: 20px;
}
.brand img {
  width: 56px;
  height: 56px;
  border-radius: 12px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}
main { padding: 52px 0; }
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}
.topics-panel { margin-top: 28px; }
h1, h2 {
  margin: 0 0 12px;
  line-height: 1.15;
  letter-spacing: 0;
}
h1 { font-size: clamp(34px, 5vw, 56px); }
h2 { font-size: 24px; }
p { margin: 0 0 16px; }
.lead {
  color: var(--muted);
  font-size: 18px;
}
.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}
.contact-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
}
.contact-item strong {
  display: block;
  margin-bottom: 4px;
}
.note {
  border-left: 5px solid var(--accent);
  padding: 14px 16px;
  background: #fff9e8;
  border-radius: 6px;
  color: #4d3a0d;
}
.topics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
  padding: 0;
  list-style: none;
}
.topics li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
  font-weight: 700;
}
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 14px;
}
.footer a { font-weight: 700; }
@media (max-width: 760px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  .nav-links { justify-content: flex-start; }
  .hero { grid-template-columns: 1fr; }
  .topics { grid-template-columns: 1fr; }
  .panel { padding: 22px; }
}