:root {
  --basalt: #15181a;
  --blueprint: #1d4e6f;
  --blueprint-lt: #3c7ca5;
  --blueprint-pale: #dce6ed;
  --chalk: #f1efe9;
  --paper: #fbfaf7;
  --stone: #8d979c;
  --stone-lt: #ddd9d1;
  --ochre: #c07a2e;
  --display: "Avenir Next Condensed", "Oswald", "Arial Narrow", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--chalk);
  color: var(--basalt);
  font-family: var(--body);
  font-size: clamp(16px, 1vw + 13px, 17.5px);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blueprint); }
:focus-visible { outline: 3px solid var(--blueprint-lt); outline-offset: 3px; }
.w { max-width: 980px; margin: 0 auto; padding-inline: clamp(18px, 4vw, 34px); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--basalt); color: #fff; padding: 10px 16px; z-index: 99; }

.top { background: var(--basalt); color: var(--chalk); }
.mast { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-block: 15px; flex-wrap: wrap; }
.lock { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--chalk); }
.mark { width: 29px; height: 29px; background: var(--blueprint-lt); clip-path: polygon(20% 0,80% 0,66% 65%,100% 65%,100% 79%,0 79%,0 65%,34% 65%); }
.lock b { font-family: var(--display); text-transform: uppercase; letter-spacing: .055em; font-size: 22px; font-weight: 600; line-height: 1; }
.lock small { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em; color: var(--stone); margin-top: 4px; text-transform: uppercase; }
.nav { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--chalk); font-family: var(--display); text-transform: uppercase; letter-spacing: .08em; font-size: 14px; text-decoration: none; }
.nav .cta { background: var(--blueprint); padding: 9px 14px; border-radius: 2px; color: #fff; }

.crumbs { font-family: var(--mono); font-size: 12px; color: #66737a; padding-block: 18px; }
.crumbs a { text-decoration: none; }

.hero { background: var(--basalt); color: var(--chalk); padding-block: clamp(46px, 8vw, 86px); position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -50px; top: -50px; width: 250px; height: 250px; background: var(--blueprint); opacity: .14; clip-path: polygon(20% 0,80% 0,65% 100%,35% 100%); }
.hero .w { position: relative; z-index: 1; }
.kick, .eyebrow { font-family: var(--mono); font-size: 11.5px; letter-spacing: .19em; text-transform: uppercase; color: var(--blueprint-lt); margin: 0 0 14px; }
h1, h2, h3 { font-family: var(--display); text-transform: uppercase; font-weight: 600; letter-spacing: .01em; }
h1 { font-size: clamp(38px, 7vw, 72px); line-height: .98; max-width: 19ch; margin: 0; text-wrap: balance; }
.intro { max-width: 58ch; color: #b4bdc2; font-size: clamp(17px, 1.3vw, 20px); margin: 24px 0 0; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button { display: inline-block; padding: 13px 22px; border: 2px solid var(--blueprint); border-radius: 2px; font-family: var(--display); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; font-size: 15px; }
.button.primary { color: #fff; background: var(--blueprint); }
.button.secondary { color: var(--chalk); border-color: #556168; }

main section { padding-block: clamp(42px, 6vw, 72px); }
main section:nth-child(even) { background: var(--paper); border-block: 1px solid var(--stone-lt); }
h2 { font-size: clamp(27px, 4vw, 42px); line-height: 1.05; margin: 0 0 14px; }
h3 { font-size: 20px; margin: 0 0 8px; }
.lede { max-width: 62ch; color: #4c565b; margin: 0 0 30px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(225px, 1fr)); gap: 18px; }
.card { background: var(--paper); border: 1px solid var(--stone-lt); padding: 22px; border-radius: 2px; }
section:nth-child(even) .card { background: #fff; }
.card p { margin: 0; color: #566168; font-size: 15.5px; }
.list { max-width: 760px; border-top: 1px solid var(--stone-lt); }
.list div { display: grid; grid-template-columns: 13px 1fr; gap: 15px; border-bottom: 1px solid var(--stone-lt); padding: 16px 0; }
.list i { width: 9px; height: 9px; background: var(--ochre); margin-top: 9px; }
.list p { margin: 0; }
.list b { display: block; margin-bottom: 2px; }
.list span { color: #59646a; }
.note { background: var(--blueprint-pale); border-left: 4px solid var(--blueprint); padding: 20px 22px; max-width: 760px; }
.note p { margin: 0; color: #3c464c; }
.price { display: grid; grid-template-columns: minmax(180px, 240px) 1fr; gap: 24px; align-items: start; background: var(--paper); border: 2px solid var(--blueprint); padding: 25px; }
.price strong { display: block; font-family: var(--display); font-size: 38px; line-height: 1; }
.price small { font-family: var(--mono); color: var(--stone); text-transform: uppercase; letter-spacing: .08em; }
.price p { margin: 0; color: #4c565b; }
.faq { max-width: 800px; }
.faq details { border-bottom: 1px solid var(--stone-lt); padding: 15px 0; }
.faq summary { cursor: pointer; font-weight: 650; }
.faq p { color: #566168; margin: 10px 0 0; }

.final { background: var(--basalt) !important; color: var(--chalk); border: 0 !important; }
.final .lede { color: #b4bdc2; }

footer { background: #101315; color: #8d979c; padding-block: 34px; font-size: 14px; }
.foot { display: flex; justify-content: space-between; gap: 22px; flex-wrap: wrap; }
footer strong { color: var(--chalk); display: block; font-family: var(--display); text-transform: uppercase; margin-bottom: 5px; }
footer a { color: #b4bdc2; }
.legal { width: 100%; border-top: 1px solid #2a3134; padding-top: 16px; margin-top: 10px; font-family: var(--mono); font-size: 11px; }

/* Sur petit écran les liens ne disparaissent pas : ils passent à la ligne.
   Un site qui reproche aux autres de masquer leur navigation sur téléphone
   ne peut pas masquer la sienne. */
@media (max-width: 680px) {
  .nav { flex-wrap: wrap; row-gap: 10px; column-gap: 18px; }
  .nav a:not(.cta) { font-size: 14px; }
  .price { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }