/* Shared styling for human-facing SynTrends / Seepnews sites (Phase D).
   These pages intentionally contain no market data, tickers, or feeds. */

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --text: #e8eaef;
  --muted: #9aa3b2;
  --accent: #6b9fff;
  --accent-dim: #3d5a8a;
  --border: #2a3142;
  --ok: #5ecf8a;
  --warn: #e8b84a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

header .brand { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; }
header nav a { margin-left: 1.25rem; color: var(--muted); font-size: 0.95rem; }
header nav a:hover { color: var(--text); }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

h1 { font-size: 1.75rem; margin-top: 0; }
h2 { font-size: 1.2rem; margin-top: 2rem; color: var(--muted); font-weight: 600; }

.lead { font-size: 1.05rem; color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
}

.cta {
  display: inline-block;
  background: var(--accent-dim);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  margin-top: 0.5rem;
}
.cta:hover { background: var(--accent); text-decoration: none; color: #0f1117; }

.notice {
  border-left: 3px solid var(--warn);
  padding: 0.75rem 1rem;
  background: #1f1a12;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 1.5rem 0;
}

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

ul.checklist { padding-left: 1.2rem; }
ul.checklist li { margin: 0.4rem 0; }

code {
  background: #12151c;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}