:root {
  --bg: #ffffff;
  --fg: #1b1b1b;
  --muted: #565656;
  --line: #d9d9d9;
  --card: #f6f6f4;
  --accent: #1a5fb4;
  --accent-fg: #ffffff;
  --ok: #1a7f37;
  --err: #b32020;
  --radius: 8px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --fg: #ececec;
    --muted: #a8a8a8;
    --line: #33373d;
    --card: #1e2127;
    --accent: #6aa6ff;
    --accent-fg: #10141a;
    --ok: #6cc36c;
    --err: #ff8080;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
}
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: var(--accent-fg); padding: .6rem 1rem; z-index: 10;
}
.skip:focus { left: 0; }
header.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
header.site .brand { font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
nav.site a { color: var(--fg); text-decoration: none; margin-left: 1.1rem; }
nav.site a:hover, nav.site a:focus { text-decoration: underline; }
main { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: .3rem 0 1rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 .6rem; }
h3 { font-size: 1.05rem; margin: 1.2rem 0 .3rem; }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
a { color: var(--accent); }
.lead { font-size: 1.1rem; max-width: 42rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; margin: 1.2rem 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.card h3 { margin-top: 0; }

ul.store { list-style: none; padding: 0; margin: 1rem 0; }
ul.store li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
              padding: 1rem 1.1rem; margin: 0 0 1rem 0; }
ul.store li h3 { margin-top: 0; }
.price { font-size: 1.6rem; font-weight: 700; }
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-fg); text-decoration: none;
  border: 1px solid transparent; border-radius: var(--radius); padding: .6rem 1.1rem; font-size: 1rem;
  cursor: pointer; font-family: inherit;
}
.btn:hover, .btn:focus { filter: brightness(1.08); }
.btn.secondary { background: transparent; color: var(--accent); border-color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
form { max-width: 26rem; }
.field { margin: .9rem 0; }
label { display: block; font-weight: 600; margin-bottom: .25rem; }
input, select, textarea {
  width: 100%; padding: .55rem .6rem; font-size: 1rem; font-family: inherit;
  color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
}
textarea { min-height: 6rem; }
.hint { font-size: .9rem; color: var(--muted); margin-top: .25rem; }
.msg { padding: .7rem .9rem; border-radius: var(--radius); margin: 1rem 0; border: 1px solid var(--line); }
.msg.ok { border-color: var(--ok); color: var(--ok); }
.msg.err { border-color: var(--err); color: var(--err); }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); }
footer.site { border-top: 1px solid var(--line); padding: 1.25rem; color: var(--muted); text-align: center; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.plans { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1rem 0; }
.plan { flex: 1 1 15rem; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; background: var(--card); }
.plan .price { margin: 0 0 .3rem; }
.plan p { margin: .2rem 0; }
.checks label { font-weight: 400; display: flex; align-items: center; gap: .5rem; }
.checks input { width: auto; }