/* ============================================================
   Global Omni Data — brand stylesheet
   Palette sampled from the approved deck cover (round 03):
   background #0c118c, ink #ffffff, muted #cacbe6, dim #9194cb.
   ============================================================ */

:root {
  /* colour tokens */
  --c-bg: #0c118c;
  --c-bg-deep: #0a0e78;
  --c-ink: #ffffff;
  --c-muted: #cacbe6;
  --c-dim: #9194cb;
  --c-line: rgba(255, 255, 255, 0.18);
  --c-line-strong: rgba(255, 255, 255, 0.4);

  /* type */
  --font-sans: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  /* scale */
  --step--1: clamp(0.8rem, 0.77rem + 0.15vw, 0.9rem);
  --step-0: clamp(1rem, 0.95rem + 0.25vw, 1.15rem);
  --step-3: clamp(1.9rem, 1.4rem + 2.5vw, 3.4rem);
  --step-4: clamp(2.6rem, 1.6rem + 5vw, 5.6rem);
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --gutter: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--c-ink);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  padding: 0.6em 1em;
  background: var(--c-ink);
  color: var(--c-bg);
  z-index: 10;
}
.skip-link:focus { top: var(--space-2); }

/* ---------- header ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--gutter);
}

.brand img { display: block; width: clamp(96px, 12vw, 150px); height: auto; }
.brand span { /* visually hidden wordmark backup for image-only brand */ }

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  list-style: none;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-dim);
  padding: 0.35em 0;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.site-nav a:hover { color: var(--c-ink); }
.site-nav a[aria-current="page"] {
  color: var(--c-ink);
  border-bottom-color: var(--c-line-strong);
}

/* ---------- main ---------- */

main { flex: 1; display: flex; }

.page {
  width: 100%;
  padding: var(--space-4) var(--gutter) var(--space-5);
  max-width: 75rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-dim);
  margin-bottom: var(--space-3);
}

.page-title {
  font-weight: 700;
  font-size: var(--step-4);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-intro {
  margin-top: var(--space-3);
  color: var(--c-muted);
  font-size: var(--step-3);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
  max-width: 30ch;
}

.page-note {
  margin-top: var(--space-4);
  color: var(--c-dim);
  max-width: 44ch;
}

/* ---------- footer strip (deck label row) ---------- */

.site-footer {
  border-top: 1px solid var(--c-line);
  padding: var(--space-2) var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
}

.site-footer .strip-link,
.site-footer .strip-label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-dim);
}
.site-footer .strip-link { transition: color 160ms ease; }
.site-footer .strip-link:hover { color: var(--c-ink); }
.site-footer .strip-year { margin-left: auto; }

/* ---------- motion & print ---------- */

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

@media print {
  body { background: #fff; color: #000; }
}