:root {
  --paper: oklch(0.962 0.012 88);
  --paper-2: oklch(0.93 0.014 88);
  --card: oklch(0.985 0.006 88);
  --ink: oklch(0.2 0.012 270);
  --ink-2: oklch(0.34 0.012 270);
  --muted: oklch(0.47 0.012 270);
  --hi: oklch(0.89 0.16 96);
  --ok: oklch(0.47 0.12 150);
  --ok-bg: oklch(0.92 0.06 150);
  --bad: oklch(0.52 0.19 28);
  --bad-bg: oklch(0.93 0.04 28);
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --gut: clamp(16px, 4vw, 48px);
  --max: 1280px;
  --z-sticky: 10; --z-dlg: 30; --z-toast: 40;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: oklch(0.19 0.008 270); --paper-2: oklch(0.23 0.01 270); --card: oklch(0.225 0.01 270);
    --ink: oklch(0.93 0.012 88); --ink-2: oklch(0.82 0.01 88); --muted: oklch(0.68 0.01 270);
    --ok: oklch(0.78 0.14 150); --ok-bg: oklch(0.3 0.05 150); --bad: oklch(0.74 0.15 28); --bad-bg: oklch(0.3 0.06 28);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: oklch(0.19 0.008 270); --paper-2: oklch(0.23 0.01 270); --card: oklch(0.225 0.01 270);
  --ink: oklch(0.93 0.012 88); --ink-2: oklch(0.82 0.01 88); --muted: oklch(0.68 0.01 270);
  --ok: oklch(0.78 0.14 150); --ok-bg: oklch(0.3 0.05 150); --bad: oklch(0.74 0.15 28); --bad-bg: oklch(0.3 0.06 28);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.55 Onest, system-ui, sans-serif; overflow-x: hidden; }
::selection { background: var(--hi); color: oklch(0.2 0.012 270); }
a { color: inherit; }
code { font: 500 0.9em 'JetBrains Mono', monospace; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--hi); outline-offset: 3px; }

.top { position: sticky; top: 0; z-index: var(--z-sticky); display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: var(--max); margin: 0 auto; padding: 16px var(--gut); background: var(--paper); box-shadow: 0 0 0 100vmax var(--paper); clip-path: inset(0 -100vmax); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 700 17px Unbounded, sans-serif; letter-spacing: -0.02em; }
.brand img { display: block; }
.top nav { display: flex; align-items: center; gap: 22px; font-weight: 500; font-size: 15px; }
.top nav a:not(.pill) { text-decoration: none; }
.top nav a:not(.pill):hover { text-decoration: underline; text-underline-offset: 4px; }

.pill { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 0 20px; border-radius: 999px;
  background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 700; border: 0; cursor: pointer; transition: transform .15s var(--ease), background-color .15s; }
.pill:hover { background: var(--ink-2); }
.pill:active { transform: scale(0.97); }
.pill.big { min-height: 60px; padding: 0 34px; font-size: 18px; }
.pill.ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.pill.ghost:hover { background: var(--paper-2); }
.pill.danger { background: transparent; color: var(--bad); border: 1.5px solid currentColor; }
.pill.danger:hover { background: var(--bad-bg); }
.pill[disabled] { opacity: .5; cursor: not-allowed; }

.foot { max-width: var(--max); margin: 0 auto; padding: 28px var(--gut) 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 14px; color: var(--muted); border-top: 1.5px solid var(--ink); }
.foot a { text-underline-offset: 3px; }

@media (max-width: 600px) {
  .hide-sm { display: none; }
  .top nav { gap: 16px; }
  .brand span { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}