:root {
  --bg: #ffffff;
  --ink: #0a0a0a;
  --ink-soft: #383838;
  --muted: #6b6b6b;
  --hair: #e8e8e8;
  --surface: #f5f5f5;
  --red: #ff0000;
  --red-ink: #cc0000;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --maxw: 760px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --ink: #f5f5f5;
    --ink-soft: #cfcfcf;
    --muted: #9a9a9a;
    --hair: #242424;
    --surface: #151515;
    --red: #ff3636;
    --red-ink: #ff5a5a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.brandbar { height: 4px; background: var(--red); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header + logo */
.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px 20px;
  max-width: var(--maxw);
  margin: 0 auto;
  border-bottom: 1px solid var(--hair);
}
.logo { display: inline-flex; line-height: 0; }
.logo img { height: 30px; width: auto; }
.logo .logo-light { display: block; }
.logo .logo-dark { display: none; }
@media (prefers-color-scheme: dark) {
  .logo .logo-light { display: none; }
  .logo .logo-dark { display: block; }
}
.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Eyebrow */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red-ink);
  margin: 0 0 14px;
}

/* Headings + text */
h1 { font-size: 34px; line-height: 1.12; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 8px; }
h2 { font-size: 21px; line-height: 1.25; letter-spacing: -0.01em; font-weight: 700; margin: 0; }
h3 { font-size: 17px; font-weight: 700; margin: 22px 0 4px; }
p, li { font-size: 17px; }
a { color: var(--red-ink); text-underline-offset: 2px; }
a:hover { text-decoration: underline; }
ul { padding-left: 20px; }
li { margin: 5px 0; }
strong { font-weight: 700; }

/* Definition hero (control motif) */
.def { padding: 56px 0 8px; }
.def-word { font-size: 64px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin: 0; }
.def-ipa { font-family: var(--mono); font-size: 19px; color: var(--muted); margin: 8px 0 22px; }
.def-line { font-size: 21px; line-height: 1.5; margin: 6px 0; color: var(--ink-soft); max-width: 32ch; }
.def-line .pos { color: var(--ink); font-weight: 700; }
.kw { color: var(--red); font-weight: 700; }

/* Tagline + lede */
.tagline { font-size: 27px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; margin: 48px 0 12px; }
.tagline .dot { color: var(--red); }
.lede { font-size: 18px; color: var(--ink-soft); max-width: 48ch; margin: 0; }
.subtitle { font-size: 18px; color: var(--muted); margin: 0 0 6px; }

/* Principles row */
.principles { display: flex; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); margin: 44px 0; }
.principle { flex: 1; padding: 20px 0; text-align: center; font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); border-left: 1px solid var(--hair); }
.principle:first-child { border-left: 0; }

/* Blocks */
.block { border-top: 1px solid var(--hair); padding: 36px 0 8px; }

/* Meta card */
.meta {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 15px;
  color: var(--muted);
  margin: 16px 0 6px;
}
.meta div { margin: 3px 0; }
.meta strong { color: var(--ink); font-weight: 600; }

/* Callout */
.callout {
  background: var(--surface);
  border-left: 3px solid var(--red);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px;
  margin: 20px 0;
}

/* CTA button */
.cta {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 10px;
  text-decoration: none;
  margin: 10px 0 4px;
}
.cta:hover { text-decoration: none; opacity: 0.9; }

/* Numbered sections */
.sec { margin: 38px 0 0; }
.sec-h { display: flex; align-items: baseline; gap: 12px; margin: 0 0 8px; }
.sec-n { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--red-ink); letter-spacing: 0.04em; }

hr { border: 0; border-top: 1px solid var(--hair); margin: 30px 0; }

/* Footer (always dark) */
.site-foot { background: #0a0a0a; color: #cfcfcf; margin-top: 64px; padding: 40px 0 48px; }
.site-foot .wrap { max-width: var(--maxw); }
.foot-logo { height: 26px; width: auto; display: block; margin: 0 0 14px; }
.site-foot .foot-tag { font-weight: 800; font-style: italic; letter-spacing: -0.01em; margin: 0 0 10px; color: #ffffff; }
.site-foot .foot-tag .dot { color: var(--red); }
.site-foot a { color: #ffffff; }
.site-foot .meta-row { font-size: 14px; color: #8c8c8c; margin: 4px 0; }
.site-foot .meta-row a { color: #cfcfcf; }

/* Accessibility */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 20;
  background: var(--red);
  color: #ffffff;
  padding: 10px 16px;
  font-size: 14px;
  border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }
a:focus-visible,
.logo:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 2px; }
.site-foot a:focus-visible { outline-color: #ffffff; }
@media (prefers-reduced-motion: no-preference) {
  a { transition: color 150ms ease; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  h1 { font-size: 28px; }
  .def-word { font-size: 48px; }
  .tagline { font-size: 22px; }
  .def-line { font-size: 19px; }
}