/* =========================================
   TrustEnvelope.org — Shared CSS
   Frozen visual surface (chrome + layout)
   Changes should be rare and intentional.
   ========================================= */

body {
  margin: 0;
  min-height: 100vh;              /* ensures swirl always renders */
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: #111;
  background: #ffffff;
  line-height: 1.65;
  padding: 48px 32px;
  position: relative;
  z-index: 0;
}

/* FULL-PAGE FAINT SWIRL WATERMARK */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("/swirl.png") no-repeat center center;
  background-size: 85%;
  background-attachment: fixed;
  opacity: 0.12;
  pointer-events: none;
  z-index: -1;
}

main {
  max-width: 880px;
  margin: auto;
  position: relative;
  z-index: 1;
}

/* HEADER / NAV */
nav a {
  margin-right: 18px;
  color: #555;
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  text-decoration: underline;
}

/* SEPARATORS */
hr {
  border: none;
  border-bottom: 1px solid #e6e6e6;
  margin: 16px 0 32px;
}

/* FOOTER */
footer {
  margin-top: 64px;
  font-size: 0.85rem;
  color: #555;
}

/* CITATIONS */
.citation {
  font-size: 0.85rem;
  color: #555;
}