/* Zero FC — one deliberate look: black and white, like the logo. */
:root {
  --ink: #0b0b0c;
  --paper: #ffffff;
  --muted: #a1a1a6;
  --line: #2a2a2e;
  --measure: 40rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--paper); text-underline-offset: 3px; }
a:hover { color: var(--muted); }

.wrap {
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Home */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 1.5rem 6rem;
}

.hero .mark { width: min(28rem, 82vw); height: auto; }

.tagline {
  margin: 2.25rem 0 0;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.sub {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.badge {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--paper);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact { margin-top: 1.75rem; color: var(--muted); font-size: 0.95rem; }

footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: center;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--paper); }

/* Document pages */
.doc-header {
  border-bottom: 1px solid var(--line);
  padding: 1.25rem 1.5rem;
}

.doc-header img { height: 1.5rem; width: auto; display: block; }

.doc { padding-top: 3rem; padding-bottom: 4rem; }
.doc h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.25rem; }
.doc .updated { color: var(--muted); margin: 0 0 2.5rem; font-size: 0.9rem; }
.doc h2 { font-size: 1.15rem; margin: 2.25rem 0 0.5rem; }
.doc p, .doc li { color: #d6d6da; }
.doc ul { padding-left: 1.25rem; }
.doc li + li { margin-top: 0.35rem; }

.hero .ball { display: block; width: 2.75rem; height: 2.75rem; margin-top: 2.25rem; }
.hero .ball + .tagline { margin-top: 1.25rem; }