:root {
  --bg: #f4f7fa;
  --ink: #16324a;
  --muted: #5d7285;
  --dark: #0b7dc7;
  --white: #fbfdff;
  --line: #e1e9f0;
}
* { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth }
body {
  font-family: Archivo, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
  user-select: text;
  -webkit-user-select: text;
}
a { color: var(--dark); text-decoration: none }
a:hover { text-decoration: underline }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px }
.site-header { padding: 22px 0; border-bottom: 1px solid var(--line); background: var(--white) }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -0.015em; text-transform: uppercase; color: inherit }
.brand img { width: 36px; height: 36px; object-fit: contain }
.nav { display: flex; gap: 18px; flex-wrap: wrap }
.nav a { font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted) }
.nav a[aria-current="page"] { color: var(--dark); text-decoration: none }
main { padding: 40px 0 72px }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 8px }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 28px }
h2 { font-size: 18px; margin: 28px 0 8px }
p, li { font-size: 15.5px; color: #1f3a52 }
ul { padding-left: 1.2em; margin: 8px 0 0 }
li + li { margin-top: 6px }
.lead { font-size: 16.5px; color: var(--muted) }
footer { padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap }
@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start }
}