/* Wholechart — shared site styles */

:root {
  --bg: #faf8f5;
  --bg-elevated: #ffffff;
  --text: #211d2b;
  --text-muted: #5c5568;
  --accent: #5b3fd6;
  --accent-soft: #efe9fd;
  --border: #e6e1da;
  --summary-bg: #f3effc;
  --summary-border: #d8cdf5;
  --warn-bg: #fdf3e8;
  --warn-border: #edc98f;
  --link: #4c2fc9;
  --max-width: 760px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17151d;
    --bg-elevated: #201d29;
    --text: #ece9f2;
    --text-muted: #a49dba;
    --accent: #a58cff;
    --accent-soft: #2a2440;
    --border: #322c40;
    --summary-bg: #241f36;
    --summary-border: #3d3458;
    --warn-bg: #2e2418;
    --warn-border: #6b4f22;
    --link: #b4a0ff;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 17px;
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-nav a {
  margin-left: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  text-decoration: none;
}

.site-nav a:hover { color: var(--link); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.doc-header {
  margin-bottom: 2rem;
}

.doc-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}

.doc-meta {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.doc-intro {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.draft-flag {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  font-size: 0.92rem;
  margin: 1.25rem 0 0;
  color: var(--text);
}

.draft-flag strong { display: block; margin-bottom: 0.2rem; }

nav.toc {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.4rem;
  margin: 2rem 0;
  font-size: 0.95rem;
}

nav.toc p {
  margin: 0 0 0.6rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

nav.toc ol {
  margin: 0;
  padding-left: 1.2rem;
  columns: 2;
  column-gap: 1.5rem;
}

nav.toc li { margin-bottom: 0.35rem; break-inside: avoid; }
nav.toc a { text-decoration: none; }
nav.toc a:hover { text-decoration: underline; }

section.doc-section {
  margin: 2.4rem 0;
  scroll-margin-top: 1.5rem;
}

section.doc-section h2 {
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.9rem;
}

.plain-summary {
  background: var(--summary-bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 0.7rem 1rem;
  font-size: 0.94rem;
  color: var(--text);
  margin: 0 0 1rem;
}

.plain-summary strong {
  color: var(--accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.25rem;
}

.legal-caps {
  font-size: 0.95rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
}

table.plan-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.95rem;
}

table.plan-table th, table.plan-table td {
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--border);
}

table.plan-table th { color: var(--text-muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; }

.back-to-top {
  display: inline-block;
  margin-top: 3rem;
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer a { color: var(--text-muted); }

/* --- Landing page specific --- */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5vw, 3rem);
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
}

.hero .tagline {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin: 0 0 2.5rem;
}

.hero .status-pill {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

.hero .systems {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin: 2.5rem 0;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero .systems div { max-width: 160px; }
.hero .systems strong { display: block; color: var(--text); font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: 0.3rem; }

@media (max-width: 600px) {
  nav.toc ol { columns: 1; }
  .site-header-inner { flex-direction: column; align-items: flex-start; }
  .site-nav a { margin-left: 0; margin-right: 1.1rem; }
}