/* Shared layout. Brand colors come from the :root block in each page. */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 32px 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius, 16px);
  width: 100%;
  max-width: 672px;
  padding: 44px 40px 40px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.eyebrow .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--icon-bg);
  display: grid;
  place-items: center;
  color: var(--icon-fg);
  flex: none;
}
.eyebrow .label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
h1 {
  font-size: 36px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}
p.lead {
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 26px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 22px;
  border-radius: 8px;
  transition: background .15s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn:focus-visible { outline: 3px solid var(--icon-bg); outline-offset: 2px; }
.email-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  font-size: 15px;
  color: var(--muted);
}
.email-row code {
  font-family: inherit;
  font-weight: 500;
  color: var(--text);
  user-select: all;
}
.copy-btn {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.copy-btn:hover { background: var(--note-bg); border-color: var(--accent); }
.copy-btn:focus-visible { outline: 3px solid var(--icon-bg); outline-offset: 2px; }
.copy-btn.is-copied { color: var(--icon-fg); border-color: var(--icon-fg); }
.steps {
  margin-top: 32px;
}
.steps h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
}
.steps ol {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}
.steps li { padding-left: 4px; }
.steps li + li { margin-top: 6px; }
.retention {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}
.retention strong { color: var(--text); font-weight: 600; }
.note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 32px;
  padding: 18px 20px;
  background: var(--note-bg);
  border: 1px solid var(--note-border, var(--border));
  border-radius: 12px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}
.note p { margin: 0; }
.note svg { flex: none; color: var(--icon-fg); margin-top: 2px; }
.help {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--help);
}
.footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.footer a {
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}
.footer a:hover { text-decoration: underline; }
@media (max-width: 520px) {
  .card { padding: 32px 22px 28px; border-radius: 12px; }
  h1 { font-size: 30px; }
  p.lead { font-size: 16px; }
}