@font-face { font-family: "Montserrat"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/montserrat-400.woff2") format("woff2"); }
:root {
  color-scheme: light;
  --bg: #F1F1F1;
  --surface: #FFFFFF;
  --surface-2: #E9E9E9;
  --text: #111111;
  --muted: #5C5C5C;
  --line: #DADADA;
  --accent: #F08000;
  --accent-text: #111111;
  --sans: "Montserrat", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #111111;
    --surface: #1A1A1A;
    --surface-2: #262626;
    --text: #F1F1F1;
    --muted: #A3A3A3;
    --line: #2E2E2E;
    --accent-text: #F08000;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; border-radius: 2px; }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: 16px; top: 0; padding: 12px 16px; background: var(--surface); color: var(--text); transform: translateY(-150%); }
.skip:focus { transform: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

nav { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; gap: 8px 16px; flex-wrap: wrap; }
nav .logo { display: inline-flex; align-items: center; min-height: 44px; letter-spacing: -0.02em; font-size: 17px; }
nav ul { display: flex; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; color: var(--muted); }
nav ul a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 9px; }
nav ul a:hover, .btn:hover, footer a:hover { color: var(--text); }
.mark { color: var(--accent-text); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 0.12em; text-underline-offset: 0.16em; }
nav .logo i { font-style: normal; }

.btn { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; }
.btn::before { content: "[ "; color: var(--muted); }
.btn::after { content: " ]"; color: var(--muted); }
.btn:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 6px; }

section { padding: 72px 0; border-top: 1px solid var(--line); }
.hero { border-top: 0; padding: 88px 0 80px; }
h1, h2, h3, strong { font-weight: 400; }
h1 {
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
}
.rot { display: inline-grid; white-space: nowrap; color: var(--accent-text); }
.rot-word {
  grid-area: 1 / 1;
  opacity: 0;
  transform: translateY(0.35em);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.16em;
}
.rot-word.on { opacity: 1; transform: none; }
h2 { font-size: clamp(22px, 4vw, 30px); letter-spacing: -0.025em; line-height: 1.2; margin: 0 0 20px; }
.eyebrow { font: 400 13px/1.4 var(--mono); color: var(--muted); margin-bottom: 18px; }
.lede { color: var(--muted); max-width: 56ch; font-size: 17px; margin: 0 0 32px; }
b { font-weight: 400; color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 0.12em; text-underline-offset: 0.16em; }
p { max-width: 62ch; margin: 0 0 16px; }
.cta { display: flex; gap: 14px 26px; flex-wrap: wrap; }
.cta-verdict { margin-top: 32px; }

pre.term {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 20px;
  overflow-x: auto;
  margin: 0;
  font: 400 13.5px/1.7 var(--mono);
}
.term .u, .term .d { color: var(--muted); }
.term .a { color: var(--accent-text); }
.hero .term { margin-top: 56px; }
.term-catalog { margin-top: 28px; }

.steps { list-style: none; padding: 0; margin: 32px 0 0; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.steps .n { color: var(--accent-text); font-size: 18px; }
.steps strong { display: block; }
.steps span { color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 28px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.card .tag { font: 400 12px/1.4 var(--mono); color: var(--muted); margin-bottom: 10px; }

table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 400; }

.verbs { display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: clamp(22px, 5vw, 36px); letter-spacing: -0.03em; margin: 24px 0; }
.verbs span:not(:last-child)::after { content: " →"; color: var(--muted); font-weight: 400; }

.def { border-left: 2px solid var(--accent); padding: 4px 0 4px 18px; margin: 28px 0; max-width: 60ch; }
.def small { display: block; color: var(--muted); margin-bottom: 4px; }

footer { border-top: 1px solid var(--line); padding: 32px 0 56px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; align-items: center; gap: 8px 16px; flex-wrap: wrap; }
footer a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 9px; }

.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

.notfound { padding: 88px 0 80px; }

@media (max-width: 560px) {
  section { padding: 52px 0; }
  .hero { padding: 56px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rot-word { transition: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}