:root{
 --primary:#0B6E99;--secondary:#00B8D9;--emerald:#2A9D8F;--sand:#EAD7A4;
 --off:#FAFAFA;--dark:#1F2937;--white:#fff;--ink:#10232d;--muted:#65737b;
 --surface:rgba(255,255,255,.84);--line:rgba(16,35,45,.12);--shadow:0 24px 70px rgba(7,42,56,.14);
 --radius:24px;--radius-sm:16px;--max:1240px;--nav:82px;
}
[data-theme="dark"]{--off:#07151d;--white:#0d202a;--ink:#eef9fb;--muted:#9db0b8;--surface:rgba(13,32,42,.84);--line:rgba(255,255,255,.12);--shadow:0 24px 70px rgba(0,0,0,.34)}