:root{--bg:#f6f7f5;--card:#fff;--line:#e2e6e3;--text:#1c2528;--muted:#4b5b60;--accent:#0f766e}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 "Adwaita Sans",Cantarell,"Segoe UI",system-ui,sans-serif}
header{background:var(--card);border-bottom:1px solid var(--line);padding:14px clamp(16px,5vw,64px);display:flex;align-items:center;justify-content:space-between;gap:12px}
header a{color:var(--text);text-decoration:none;font-weight:800}
header img{height:30px;filter:invert(1);vertical-align:middle}
nav.langs a{margin-left:10px;font-size:13px;color:var(--muted)}
main{max-width:820px;margin:0 auto;padding:32px clamp(16px,5vw,40px) 60px}
h1{font-size:30px;line-height:1.2;margin:0 0 6px}h2{font-size:18px;margin:28px 0 8px}
.updated{color:var(--muted);font-size:13px;margin:0 0 20px}
.placeholder{background:#fdf3e3;color:#8a4b08;padding:1px 6px;border-radius:6px;font-weight:700}
.note{background:#eef2f0;border-radius:12px;padding:12px 16px;font-size:14px}
a{color:var(--accent)}
section[lang]{display:none}section[lang].on{display:block}