/* Baton - batonsend.com. Single stylesheet, no external assets. */

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-subtle: #f5f6f8;
  --fg: #14171c;
  --fg-muted: #5c6674;
  --border: #e2e5ea;
  --accent: #2457d6;
  --ok: #1a7f4b;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --bg-subtle: #151920;
    --fg: #e9ecf0;
    --fg-muted: #98a2b0;
    --border: #252b34;
    --accent: #7aa2ff;
    --ok: #4cc38a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; }
a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.container { width: 100%; max-width: 64rem; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  color: var(--fg);
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand .mark { width: 26px; height: 26px; display: block; stroke: none; }
.mark .mark-bg { fill: var(--accent); }
.mark .mark-bar { fill: #ffffff; }
.nav { display: flex; gap: 1.5rem; font-size: .95rem; }
.nav a { color: var(--fg-muted); }
.nav a:hover { color: var(--fg); }

/* Hero */
.hero { padding: 5.5rem 0 3.5rem; max-width: 44rem; }
.eyebrow {
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 1.25rem;
}
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin: 0 0 1.25rem;
}
.lead { font-size: 1.2rem; color: var(--fg-muted); margin: 0 0 2rem; max-width: 38rem; }
.status {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  padding: .5rem .9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-subtle);
  font-size: .9rem;
}
.status .dot { width: .5rem; height: .5rem; border-radius: 50%; background: var(--ok); flex: none; }

/* Sections */
.section { border-top: 1px solid var(--border); padding: 3.5rem 0; }
.section-title {
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0 0 2rem;
}
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
}
.feature-list svg { width: 22px; height: 22px; color: var(--accent); display: block; margin-bottom: .9rem; }
.feature-list h3 { font-size: 1.05rem; letter-spacing: -0.01em; margin: 0 0 .5rem; }
.feature-list p { margin: 0; color: var(--fg-muted); font-size: .97rem; }
.contact p { margin: 0; }
.contact a { font-family: var(--mono); font-size: .95rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0 2.5rem; font-size: .875rem; color: var(--fg-muted); }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; }
.site-footer p { margin: 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
.site-footer a { color: var(--fg-muted); }
.site-footer a:hover { color: var(--fg); }

/* Long-form pages (privacy, terms) */
.prose { max-width: 44rem; padding: 3.5rem 0 5rem; }
.prose h1 { font-size: clamp(1.75rem, 4vw, 2.25rem); margin: 0 0 .5rem; }
.prose .meta { font-family: var(--mono); font-size: .85rem; color: var(--fg-muted); margin: 0 0 2.5rem; }
.prose h2 { font-size: 1.25rem; letter-spacing: -0.01em; margin: 2.5rem 0 .75rem; }
.prose h3 { font-size: 1.05rem; margin: 1.75rem 0 .5rem; }
.prose ul, .prose ol { padding-left: 1.4rem; }
.prose li { margin: .35rem 0; }
.prose .summary {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 0 0 2rem;
}
.prose .summary p { margin: 0 0 .5rem; }
.prose .summary p:last-child { margin: 0; }
.table-wrap { overflow-x: auto; margin: 1rem 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: .6rem .75rem; border-bottom: 1px solid var(--border); }
.prose th {
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* Error page */
.error { padding: 6rem 0; max-width: 40rem; }
.error .code { font-family: var(--mono); color: var(--fg-muted); margin: 0 0 .5rem; }
.error h1 { font-size: 2rem; margin: 0 0 .75rem; }
.error p { color: var(--fg-muted); margin: 0; }

@media (max-width: 720px) {
  .site-header .container { height: 3.5rem; }
  .nav { gap: 1rem; font-size: .9rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .section { padding: 2.5rem 0; }
  .feature-list { grid-template-columns: 1fr; gap: 2rem; }
  .prose { padding: 2.5rem 0 4rem; }
}