/* Headwaters — shared stylesheet. Plain CSS, no build step, no framework:
   the site is static HTML rebuilt manually/by script, per the "no backend"
   decision in docs/action-items — keep this file dependency-free so any
   page works by itself off GitHub Pages. */

:root {
  --ink:        #16221e;
  --ink-soft:   #445048;
  --bg:         #f7f4ec;
  --bg-panel:   #ffffff;
  --border:     #d9d2bd;
  --accent:     #0e6e5a;
  --accent-dim: #0e6e5a1a;
  --urgent:     #a83a1f;
  --urgent-dim: #a83a1f14;
  --link:       #0e6e5a;

  --serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', Palatino, serif;
  --sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono:  ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
}

* { 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: 16px;
  line-height: 1.55;
}

a { color: var(--link); }
a:hover { text-decoration: none; }

img { max-width: 100%; }

/* ── Site header / nav ───────────────────────────────────────────────── */

.site-header {
  border-bottom: 3px solid var(--ink);
  background: var(--bg-panel);
}

.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 22px 24px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.site-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.site-title span {
  color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ── Urgent banner ───────────────────────────────────────────────────── */

.urgent-banner {
  background: var(--urgent);
  color: #fdf3ee;
}

.urgent-banner-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  font-size: 14px;
}

.urgent-banner strong { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.04em; font-size: 12px; }
.urgent-banner a { color: #fff; text-decoration: underline; }

/* ── Layout ──────────────────────────────────────────────────────────── */

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

.lede {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 640px;
}

h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

h2 {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.2;
  margin: 48px 0 16px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

h3 {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 28px 0 10px;
}

p { margin: 0 0 16px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
}

.byline {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin: 0 0 32px;
}

/* ── Stream / stat cards ─────────────────────────────────────────────── */

.stream-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 28px 0 8px;
}

@media (max-width: 640px) {
  .stream-grid { grid-template-columns: 1fr; }
}

.stream-card {
  display: block;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  padding: 22px;
  text-decoration: none;
  color: inherit;
}

.stream-card h3 {
  margin-top: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 19px;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 700;
}

.stream-card p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}

@media (max-width: 700px) {
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 16px 18px;
}

.stat-card .stat-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
}

.stat-card .stat-note {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 6px;
}

/* ── Tables ──────────────────────────────────────────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 24px;
  font-size: 14.5px;
}

caption {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

tr.status-open td:first-child { border-left: 3px solid var(--urgent); }

.tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 2px 7px;
  border: 1px solid currentColor;
}

.tag-open { color: var(--urgent); }
.tag-watch { color: var(--ink-soft); }
.tag-held { color: var(--ink-soft); opacity: 0.7; }

/* ── Callout / action boxes ──────────────────────────────────────────── */

.callout {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-left-width: 4px;
  padding: 18px 20px;
  margin: 20px 0;
}

.callout-urgent {
  background: var(--urgent-dim);
  border-color: var(--urgent);
}

.callout h3 {
  margin-top: 0;
  color: var(--ink);
}

.template-box {
  background: #fbfaf5;
  border: 1px dashed var(--border);
  padding: 18px 20px;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-wrap;
  margin: 12px 0 20px;
}

.copy-hint {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: -8px 0 20px;
}

ul.plain, ol.plain { padding-left: 20px; }
ul.plain li, ol.plain li { margin-bottom: 8px; }

.contact-list dt {
  font-weight: 700;
  margin-top: 14px;
}
.contact-list dd {
  margin: 2px 0 0;
  color: var(--ink-soft);
}

/* ── Footer ──────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
}

.site-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 24px 40px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.data-freshness {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 24px;
}