:root {
  --bg: #f6f8f7;
  --surface: #ffffff;
  --fg: #14211d;
  --muted: #4d5c57;
  --line: #d7e0dc;
  --accent: #0f7a5c;
  --aurora: linear-gradient(90deg, #0f7a5c, #1f9e8a 45%, #3b7dd8);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1311;
    --surface: #111c19;
    --fg: #e6efec;
    --muted: #9fb2ac;
    --line: #22332e;
    --accent: #4fd1a5;
    --aurora: linear-gradient(90deg, #2fb98a, #3fc6b4 45%, #6aa6ff);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 44rem; margin: 0 auto; padding-inline: 1.25rem; }
header { padding-block: 1.5rem; }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.mark { font-weight: 650; letter-spacing: 0.01em; font-size: 1.125rem; color: var(--fg); text-decoration: none; }
.lang { font-size: 0.875rem; color: var(--muted); }
.lang a { color: var(--accent); text-decoration: none; font-weight: 600; }
.lang a:hover, .lang a:focus-visible { text-decoration: underline; }
.aurora { height: 3px; background: var(--aurora); border: 0; margin: 0; }
main { padding-block: 3.5rem 4rem; }
h1 { font-size: clamp(2.25rem, 7vw, 3.25rem); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 1rem; text-wrap: balance; }
.lead { font-size: 1.1875rem; color: var(--muted); margin: 0 0 3rem; max-width: 36rem; }
section { padding-block: 1.75rem; border-top: 1px solid var(--line); }
h2 { font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin: 0 0 0.75rem; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
ul { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.5rem; }
strong { font-weight: 650; }
a { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.contact { font-size: 1.1875rem; font-weight: 600; word-break: break-word; }
footer { border-top: 1px solid var(--line); padding-block: 1.5rem 2.5rem; font-size: 0.875rem; color: var(--muted); }
footer p { margin: 0 0 0.25rem; }