:root {
  --encre: #1c2733;
  --texte: #3a4654;
  --doux: #6b7785;
  --fond: #ffffff;
  --fond-alt: #f4f6f8;
  --bord: #dde3ea;
  --accent: #e8590c;
  --accent-fonce: #c2410c;
  --ok: #2f855a;
  --rayon: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--texte);
  background: var(--fond);
}
h1, h2, h3 { color: var(--encre); line-height: 1.25; margin: 0 0 .6em; }
h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.35rem, 3.5vw, 1.8rem); letter-spacing: -.01em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
a { color: var(--accent-fonce); }
.contenu { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.etroit { max-width: 720px; }

header.barre { border-bottom: 1px solid var(--bord); }
header.barre .contenu { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--encre); text-decoration: none; letter-spacing: -.01em; }
.logo span { color: var(--accent); }
.bouton {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 700;
  padding: .8em 1.3em; border-radius: var(--rayon); text-decoration: none; border: 0;
  font-size: 1rem; cursor: pointer; font-family: inherit;
}
.bouton:hover, .bouton:focus-visible { background: var(--accent-fonce); }
.bouton.petit { padding: .5em .9em; font-size: .9rem; }

section { padding: 56px 0; }
section.alt { background: var(--fond-alt); }
.hero { padding: 64px 0 56px; }
.hero .sous { font-size: 1.15rem; max-width: 640px; }
.badge {
  display: inline-block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent-fonce); background: #fff1e8; padding: .3em .7em; border-radius: 999px; margin-bottom: 1em;
}
.note { font-size: .9rem; color: var(--doux); }

.grille { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.carte { background: var(--fond); border: 1px solid var(--bord); border-radius: var(--rayon); padding: 22px; }
.carte .num {
  display: inline-flex; width: 32px; height: 32px; border-radius: 50%; background: var(--encre); color: #fff;
  align-items: center; justify-content: center; font-weight: 700; margin-bottom: .6em;
}
.risque { border-left: 4px solid var(--accent); padding: 4px 0 4px 18px; }

.prix { text-align: center; }
.prix .montant { font-size: 3rem; font-weight: 800; color: var(--encre); line-height: 1; }
.prix .montant small { font-size: 1.1rem; font-weight: 600; color: var(--doux); }
.prix ul { list-style: none; padding: 0; margin: 1.2em auto; max-width: 420px; text-align: left; }
.prix li { padding: .35em 0 .35em 1.8em; position: relative; }
.prix li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }

form.inscription { display: grid; gap: 16px; margin-top: 8px; }
form.inscription label { font-weight: 600; color: var(--encre); display: block; margin-bottom: 4px; }
form.inscription input[type=email], form.inscription input[type=text], form.inscription select {
  width: 100%; padding: .7em .8em; font-size: 1rem; font-family: inherit; border: 1px solid #b8c2cd;
  border-radius: 8px; background: #fff; color: var(--encre);
}
form.inscription input:focus, form.inscription select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
fieldset { border: 0; padding: 0; margin: 0; }
fieldset legend { font-weight: 600; color: var(--encre); margin-bottom: 6px; padding: 0; }
.choix { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.choix label { font-weight: 400 !important; display: inline-flex !important; gap: 6px; align-items: center; }
.piege { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

details { border-bottom: 1px solid var(--bord); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 600; color: var(--encre); }
details p { margin: .6em 0 0; }

footer { border-top: 1px solid var(--bord); padding: 28px 0; font-size: .9rem; color: var(--doux); }
footer a { color: var(--doux); }
.legal h2 { margin-top: 1.6em; font-size: 1.2rem; }