@font-face { font-family: "Instrument Sans"; font-weight: 400; font-display: swap; src: url(fonts/instrument-sans-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-weight: 500; font-display: swap; src: url(fonts/instrument-sans-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Instrument Sans"; font-weight: 600; font-display: swap; src: url(fonts/instrument-sans-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url(fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url(fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  --paper: #f6f6f3;
  --sheet: #ffffff;
  --well: #ededea;
  --rule: #dbdbd6;
  --rule-strong: #86867f;
  --ink: #1a1c1e;
  --ink-muted: #484c50;
  --ink-subtle: #5f6368;
  --teal: #1d6b66;
  --teal-deep: #16564f;
  --teal-soft: #e2efed;
  --teal-fg: #165650;
  --on-teal: #ffffff;
  --neura: #7a3a78;
  --neura-soft: #f4e8f3;
  --neura-fg: #6b2f69;
  --wait: #b06a00;
  --wait-soft: #fbefda;
  --wait-fg: #7f4c00;
  --ok-soft: #e4f1e5;
  --ok-fg: #22612d;
  --stop-soft: #fbe6e2;
  --stop-fg: #a12817;
  --unknown: #2c2f33;
  --on-unknown: #ffffff;
  --sans: "Instrument Sans", "Helvetica Neue", Arial, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --measure: 34rem;
  --wrap: 72rem;
  --shadow: 0 1px 2px rgba(26,28,30,.06), 0 12px 32px -12px rgba(26,28,30,.18);
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111315; --sheet: #191c1f; --well: #22262a; --rule: #2f3439; --rule-strong: #737a81;
    --ink: #ecece9; --ink-muted: #b3b7bb; --ink-subtle: #979ca1;
    --teal: #4db3a6; --teal-deep: #6cc6ba; --teal-soft: #15302d; --teal-fg: #80d2c6; --on-teal: #0b1d1b;
    --neura: #c98bc6; --neura-soft: #2c1f2c; --neura-fg: #dca8d9;
    --wait: #e0a23a; --wait-soft: #2d2410; --wait-fg: #ecbe6b;
    --ok-soft: #16291a; --ok-fg: #88cf92; --stop-soft: #33181a; --stop-fg: #f4978b;
    --unknown: #e4e4df; --on-unknown: #111315;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 16px 40px -16px rgba(0,0,0,.7);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans); font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--teal-fg); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--teal-deep); }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.25rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--ink); color: var(--paper); padding: .5rem .9rem; border-radius: 8px; z-index: 10; }
.skip:focus { top: 1rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: .65rem 1.15rem;
  border-radius: 999px; font: 600 .98rem/1 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--teal); color: var(--on-teal); }
.btn-primary:hover { background: var(--teal-deep); color: var(--on-teal); }
.btn-quiet { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-quiet:hover { color: var(--ink); background: var(--well); }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; }
.top.scrolled { border-bottom-color: var(--rule); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 4rem; gap: 1rem; }
.mark { display: inline-flex; align-items: center; gap: .55rem; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 1.2rem; letter-spacing: -0.03em; }
.mark-b { width: 22px; height: 28px; object-fit: contain; }
.mark-word { width: 89px; height: 24px; object-fit: contain; }
.nav { display: flex; gap: 1.6rem; align-items: center; }
.nav a { color: var(--ink-muted); text-decoration: none; font-weight: 500; font-size: .96rem; }
.nav a:hover { color: var(--ink); }
.nav .btn { color: var(--on-teal); }
@media (max-width: 760px) { .nav a:not(.btn) { display: none; } .nav { gap: .75rem; } }
.lang { display: inline-flex; border: 1px solid var(--rule-strong); border-radius: 999px; padding: 2px; }
.lang button { min-height: 32px; min-width: 40px; border: 0; border-radius: 999px; background: transparent; color: var(--ink-muted); font: 500 .85rem/1 var(--sans); cursor: pointer; padding: 0 .6rem; }
.lang button:hover { color: var(--ink); }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); font-weight: 600; }
@media (max-width: 420px) { .nav .btn { padding: .6rem .9rem; font-size: .9rem; } }

footer { padding: 2.5rem 0 3rem; border-top: 1px solid var(--rule); color: var(--ink-subtle); font-size: .92rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
footer nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
footer a { color: var(--ink-muted); text-decoration: none; }
footer a:hover { color: var(--ink); text-decoration: underline; }