:root {
  color-scheme: light dark;
  --bg: #f5f6f4;
  --surface: #ffffff;
  --text: #171918;
  --muted: #626965;
  --line: #d8dcda;
  --accent: #16775a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--accent); }

.shell {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.brand img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
}

h1, h2 { letter-spacing: 0; }
h1 { margin: 0 0 2px; font-size: 34px; line-height: 1.15; }
h2 { margin: 36px 0 10px; font-size: 19px; }
p, li { color: var(--muted); }
ul { padding-left: 20px; }

.tagline { margin: 0; }
.language { margin: 8px 0 0; font-size: 13px; }
.language a { margin-right: 14px; }
.section { scroll-margin-top: 24px; }

.contact {
  margin-top: 40px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.contact h2 { margin-top: 0; }
.meta { margin-top: 48px; font-size: 13px; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111312;
    --surface: #191c1a;
    --text: #f1f4f2;
    --muted: #a8b0ab;
    --line: #343a36;
    --accent: #62caa4;
  }
}

@media (max-width: 520px) {
  .shell { width: min(100% - 28px, 760px); padding-top: 36px; }
  .brand img { width: 60px; height: 60px; border-radius: 13px; }
  h1 { font-size: 29px; }
}