/* scalai.biz : domaine d'envoi dédié. Charte ScalAI light, CSS auto-contenu. */
:root {
  --bleu: oklch(0.55 0.22 260);
  --bleu-clair: oklch(0.96 0.03 260);
  --encre: #101418;
  --gris: #5b646e;
  --trait: #e4e8ed;
  --fond: #ffffff;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fond);
  color: var(--encre);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--bleu); }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }

header {
  border-bottom: 1px solid var(--trait);
  padding: 22px 0;
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--encre);
  text-decoration: none;
}

.logo span { color: var(--bleu); }

header nav a {
  font-size: 15px;
  color: var(--gris);
  text-decoration: none;
  margin-left: 20px;
}

header nav a:hover { color: var(--encre); }

main { padding: 56px 0 72px; }

h1 {
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
}

h2 {
  font-size: 21px;
  letter-spacing: -0.015em;
  margin: 44px 0 12px;
}

h3 {
  font-size: 17px;
  margin: 28px 0 8px;
}

p { margin: 0 0 16px; }

.chapeau { font-size: 19px; color: var(--gris); }

ul { padding-left: 20px; margin: 0 0 16px; }

li { margin-bottom: 8px; }

.encart {
  background: var(--bleu-clair);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 28px 0;
}

.encart p:last-child { margin-bottom: 0; }

.bouton {
  display: inline-block;
  background: var(--bleu);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 12px 22px;
  border-radius: 8px;
}

footer {
  border-top: 1px solid var(--trait);
  padding: 28px 0 48px;
  font-size: 14px;
  color: var(--gris);
}

footer a { color: var(--gris); }

.form label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.form input[type="email"] {
  width: 100%;
  font-size: 16px;
  font-family: inherit;
  padding: 11px 13px;
  border: 1px solid var(--trait);
  border-radius: 8px;
  margin-bottom: 14px;
}

.form button {
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: var(--bleu);
  border: 0;
  border-radius: 8px;
  padding: 12px 22px;
  cursor: pointer;
}

.etat {
  margin-top: 16px;
  font-size: 15px;
}

@media (max-width: 600px) {
  h1 { font-size: 27px; }
  main { padding: 40px 0 56px; }
}