:root {
  --midnight: #16232B;
  --terrain: #66775A;
  --orange: #E8783E;
  --blue: #3F7EA6;
  --sand: #EEE7D8;
  --paper: #FBF8F2;
  --ink: #1F2A30;
  --muted: #5B6670;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header {
  background: var(--midnight); color: #fff; padding: 12px 16px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px;
}
header .brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; display: flex; align-items: center; gap: 10px; }
header nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 15px; }
header nav a { color: #D9E2E7; text-decoration: none; padding: 2px 0; border-bottom: 2px solid transparent; }
header nav a:hover, header nav a.here { color: #fff; border-bottom-color: var(--orange); }
main { max-width: 780px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0.4em 0 0.5em; color: var(--midnight); }
h2 { font-size: 1.4rem; margin: 1.8em 0 0.5em; color: var(--midnight); border-bottom: 2px solid var(--sand); padding-bottom: 4px; }
h3 { font-size: 1.12rem; margin: 1.4em 0 0.4em; color: var(--midnight); }
a { color: var(--blue); }
code { background: var(--sand); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
blockquote { margin: 1em 0; padding: 10px 14px; background: #fff; border-left: 4px solid var(--orange); border-radius: 6px; }
blockquote p { margin: 0.3em 0; }
table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 0.95rem; display: block; overflow-x: auto; }
th, td { border: 1px solid #DDD5C6; padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--sand); }
img { max-width: 100%; height: auto; }
.tagline { font-size: 1.25rem; color: var(--terrain); margin-top: -0.3em; }
.cta { display: inline-block; background: var(--orange); color: #fff; padding: 10px 18px; border-radius: 999px; text-decoration: none; font-weight: 600; margin: 4px 8px 4px 0; }
.cta.secondary { background: var(--midnight); }
footer { background: var(--sand); color: var(--muted); text-align: center; padding: 18px 16px; font-size: 14px; }
footer p { margin: 4px 0; }
kbd { border: 1px solid #C9C0AE; border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; background: #fff; font-size: 0.9em; }
/* The tracker card prints on half a letter page. */
@media print {
  header, footer, .noprint { display: none; }
  body { background: #fff; font-size: 13px; }
  main { padding: 0; max-width: none; }
  h2 { page-break-after: avoid; }
}
/* Phone screenshots: narrow, centered, like a phone. */
img.shot { display: block; max-width: min(320px, 100%); margin: 14px auto 20px; border-radius: 14px; box-shadow: 0 2px 12px rgba(22, 35, 43, 0.18); }