:root {
  --ink: #1b2430;
  --muted: #5c6773;
  --line: #e3e7ec;
  --accent: #0b6fb8;
  --accent-ink: #ffffff;
  --bg: #ffffff;
  --soft: #f5f7fa;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e9edf2; --muted: #9aa5b1; --line: #2a333d; --accent: #4aa3e6; --accent-ink: #0b1620; --bg: #0f151c; --soft: #171f28; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { padding: 28px 0 12px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 22px; letter-spacing: .02em; text-decoration: none; color: var(--ink); }
.brand small { display: block; font-weight: 400; font-size: 13px; color: var(--muted); letter-spacing: 0; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover, .brand:hover { color: var(--accent); }
.hero { padding: 48px 0 32px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.12; margin: 0 0 16px; }
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 24px; max-width: 600px; }
.pill { display: inline-block; font-size: 13px; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); border: 1px solid var(--line); margin-bottom: 18px; }
section { padding: 32px 0; border-bottom: 1px solid var(--line); }
section h2 { font-size: 22px; margin: 0 0 12px; }
section p, section li { color: var(--ink); }
ul { padding-left: 20px; }
li { margin: 6px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; margin-top: 18px; }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.contact a { color: var(--accent); text-decoration: none; }
.contact a:hover { text-decoration: underline; }
footer { padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .by { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
footer img { height: 28px; width: auto; }
@media (prefers-color-scheme: dark) { footer img { background: #fff; padding: 4px 8px; border-radius: 6px; } }
footer a { color: var(--muted); }
.lang { margin-top: 8px; font-size: 14px; color: var(--muted); }
article h2 { font-size: 20px; margin-top: 32px; }
article h3 { font-size: 17px; margin-top: 22px; }
.placeholder { background: #fff3c4; color: #5a4300; padding: 0 4px; border-radius: 3px; }
@media (prefers-color-scheme: dark) { .placeholder { background: #4a3d12; color: #ffe08a; } }