:root {
  --bg: #ffffff;
  --surface: #f4f5f7;
  --border: #dfe1e6;
  --text: #1f2328;
  --muted: #5b626b;
  --accent: #3b5bdb;
  --accent-text: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181b;
    --surface: #222327;
    --border: #3d3f45;
    --text: #e8e9eb;
    --muted: #a0a4ab;
    --accent: #748ffc;
    --accent-text: #11131a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

main { max-width: 44rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
header.top { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
header.top img { width: 64px; height: 64px; }
h1 { margin: 0; font-size: 1.9rem; line-height: 1.2; }
h2 { margin: 2.2rem 0 .6rem; font-size: 1.35rem; }
p, li { margin: .4rem 0; }
.lead { font-size: 1.15rem; color: var(--muted); margin: .2rem 0 0; }
a { color: var(--accent); }

.lang-switch { margin-left: auto; }
.lang-switch button {
  font: inherit;
  padding: .25rem .7rem;
  border: 1px solid var(--border);
  border-radius: .4rem;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; margin: 1rem 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: .8rem; padding: 1rem 1.2rem; }
.card h3 { margin: 0 0 .4rem; font-size: 1.1rem; }
.card ul { margin: 0; padding-left: 1.2rem; }
.card.premium { border-color: var(--accent); }

.badge {
  display: inline-block;
  padding: .1rem .7rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: .9rem;
}

footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .95rem; }
footer a { margin-right: 1rem; }

body [lang="en"] { display: none; }
html[data-lang="en"] body [lang="fr"] { display: none; }
html[data-lang="en"] body [lang="en"] { display: revert; }