:root {
  --ink: #1c1a17;
  --muted: #6b6459;
  --line: #e2ddd4;
  --paper: #fdfcfa;
  --accent: #1f5f4b;
  --alert-bg: #fdf3ea;
  --alert-line: #e0b98a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.site-header nav { display: flex; align-items: center; gap: 1rem; }
.site-header a { color: var(--accent); text-decoration: none; }
.site-header a:hover { text-decoration: underline; }

main { max-width: 60rem; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
main .narrow { max-width: 26rem; }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.75rem; }
h2 { font-size: 1.15rem; margin: 0 0 0.5rem; }
.lead { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); }

.columns { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); margin: 2rem 0; }
.note, .panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 0.7rem 1.1rem;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
}
.button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

form { display: grid; gap: 0.4rem; margin: 1.25rem 0; }
form.inline { display: inline; margin: 0; }
label { font-size: 0.95rem; font-weight: 600; }
input {
  font: inherit;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
input:focus-visible, .button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.linkish {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
}

.alert {
  background: var(--alert-bg);
  border: 1px solid var(--alert-line);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}

.steps { list-style: none; padding: 0; display: grid; gap: 0.75rem; }
.step { border-left: 3px solid var(--line); padding: 0.4rem 0 0.4rem 1rem; }
.step.current { border-left-color: var(--accent); }
.step h2 { margin-bottom: 0.15rem; }
.step p { margin: 0; color: var(--muted); }
.badge {
  display: inline-block;
  margin-top: 0.35rem !important;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; }
.devices { padding-left: 1.1rem; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.25rem;
  max-width: 60rem;
  margin: 0 auto;
  font-size: 0.95rem;
}
.site-footer .muted { max-width: 40rem; }