/* Terransight public site — self-contained, no external fonts or CDNs.
   A privacy policy that phones home to a font CDN is a bad look; keep it local. */

:root {
  --bg: #ffffff;
  --surface: #f6f7fb;
  --text: #172033;
  --muted: #5c6478;
  --border: #dde1ea;
  --primary: #3157d5;
  --primary-soft: #e8eeff;
  --maxw: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420;
    --surface: #161d2c;
    --text: #eef1f7;
    --muted: #9aa3b8;
    --border: #27303f;
    --primary: #7d9bff;
    --primary-soft: #1b2437;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

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

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

/* Header */
.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand {
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
}
.brand span { color: var(--primary); }
.site-header nav { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: 0.875rem; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text); }

/* Page head */
main { padding: 3rem 0 1rem; }
h1 { font-size: clamp(1.9rem, 5vw, 2.5rem); line-height: 1.2; margin: 0 0 0.75rem; letter-spacing: -0.02em; }
.lede { color: var(--muted); font-size: 1.05rem; margin: 0; }
.updated {
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 1.5rem;
}

h2 { font-size: 1.25rem; margin: 2.5rem 0 0.75rem; letter-spacing: -0.01em; }
h3 { font-size: 1rem; margin: 1.75rem 0 0.5rem; }
p, li { color: var(--muted); }
p { margin: 0 0 0.9rem; }
strong { color: var(--text); }
ul { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin-bottom: 0.5rem; }

.callout {
  background: var(--primary-soft);
  border-left: 3px solid var(--primary);
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--text); }

/* Tables */
.table-scroll { overflow-x: auto; margin: 1rem 0 1.5rem; }
table {
  width: 100%;
  min-width: 30rem;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.925rem;
}
th, td { padding: 0.75rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
tr:last-child th, tr:last-child td { border-bottom: 0; }
th { width: 34%; color: var(--text); font-weight: 600; }
td { color: var(--muted); }

/* Landing page */
.hero { padding: 4rem 0 2.5rem; }
.hero h1 { margin-bottom: 1rem; }
.hero .lede { font-size: 1.15rem; max-width: 34rem; }
.eyebrow {
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}
.cards { display: grid; gap: 1rem; grid-template-columns: 1fr; margin: 2rem 0; }
@media (min-width: 40rem) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.4rem;
}
.card h3 { margin-top: 0; color: var(--text); }
.card p:last-child { margin-bottom: 0; font-size: 0.925rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 4rem; padding: 2rem 0 3rem; }
.site-footer p { font-size: 0.875rem; margin-bottom: 0.75rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: 0.875rem; }

.todo {
  background: #fff3cd;
  color: #5c4813;
  border-radius: 0.25rem;
  padding: 0 0.3rem;
  font-size: 0.85em;
}
@media (prefers-color-scheme: dark) {
  .todo { background: #4a3d13; color: #ffe9a8; }
}