:root {
  --ink: #1d2430;
  --paper: #f4efe6;
  --muted: #5d6572;
  --line: #e4d9c8;
  --copper: #c56a3a;
  --teal: #2f7d78;
  --navy: #24324a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 90% -10%, #f3d7c4 0%, transparent 60%),
    radial-gradient(700px 380px at -10% 110%, #d5ebe7 0%, transparent 55%),
    var(--paper);
  font: 18px/1.5 Georgia, "Iowan Old Style", Palatino, serif;
}
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 22px 72px;
}
.mark {
  display: block;
  width: min(100%, 420px);
  height: auto;
  margin: 0 0 28px;
}
.back {
  display: inline-block;
  margin: 0 0 22px;
  color: var(--navy);
  font: 600 0.95rem/1 ui-sans-serif, system-ui, sans-serif;
  text-decoration: none;
  border-bottom: 2px solid var(--copper);
}
h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.domain {
  margin: 0 0 28px;
  color: var(--muted);
  font: 0.95rem/1.4 ui-sans-serif, system-ui, sans-serif;
}
section {
  margin: 0 0 28px;
  padding: 22px 22px 8px;
  background: rgba(255,252,247,0.78);
  border: 1px solid var(--line);
  border-radius: 18px;
}
h2 {
  margin: 0 0 10px;
  font: 600 0.78rem/1 ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}
p { margin: 0 0 14px; }
ul {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}
li {
  margin: 0 0 8px;
  padding-left: 16px;
  position: relative;
}
li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--copper);
}
a { color: var(--navy); }
footer {
  color: var(--muted);
  font: 0.92rem/1.45 ui-sans-serif, system-ui, sans-serif;
}