*{box-sizing:border-box}
:root{color-scheme:dark;--bg:#0d1116;--surface:#151b22;--surface-2:#202a34;--ink:#eef3f6;--muted:#a3b0bc;--line:#2c3844;--accent:#42aeb4;--accent-2:#d46a82;--gold:#d5a05b;--header-bg:rgba(13,17,22,.9);--nav-ink:#eef3f6;--hover-line:#465460;--note-ink:#d8e1e8;--shadow:0 22px 60px rgba(0,0,0,.36);--soft-shadow:0 8px 28px rgba(0,0,0,.24)}
:root[data-theme="light"]{color-scheme:light;--bg:#f7f8f6;--surface:#fff;--surface-2:#eef2f1;--ink:#101418;--muted:#65707b;--line:#dfe4e4;--accent:#0f6f74;--accent-2:#b34a62;--gold:#b98645;--header-bg:rgba(255,255,255,.88);--nav-ink:#20262c;--hover-line:#c7d1d1;--note-ink:#243038;--shadow:0 22px 60px rgba(16,20,24,.12);--soft-shadow:0 8px 28px rgba(16,20,24,.08)}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}