:root {
  --bg: #f6f8f8;
  --card: #ffffff;
  --text: #13262a;
  --muted: #4d6468;
  --accent: #0f7f78;
  --line: #d7e2e3;
  --head-from: #155a60;
  --head-to: #051f26;
  --head-text: #e9fbf9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #071a1f;
    --card: #0c252b;
    --text: #e3f1f1;
    --muted: #9db6b9;
    --accent: #3fd6c9;
    --line: #1c3c43;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  background: linear-gradient(160deg, var(--head-from), var(--head-to));
  color: var(--head-text);
  padding: 28px 16px 24px;
}

header .wrap { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
header .brand { font-weight: 800; font-size: 26px; letter-spacing: 0.5px; }
header nav a { color: var(--head-text); opacity: 0.85; margin-right: 14px; text-decoration: none; }
header nav a[aria-current="page"] { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }

.wrap { max-width: 720px; margin: 0 auto; }

main { padding: 24px 16px 48px; }

article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 22px;
}

h1 { font-size: 28px; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 28px 0 6px; }
p, address, ul { margin: 0 0 12px; }
address { font-style: normal; }
ul { padding-left: 20px; }
a { color: var(--accent); overflow-wrap: anywhere; }
.muted { color: var(--muted); font-size: 15px; }

footer { padding: 0 16px 32px; }
footer p { color: var(--muted); font-size: 14px; }