:root {
  color-scheme: dark;
  --rouge: #ff002c;
  --gris: #20252b;
  --blanc: #f1f2f4;
  --texte-secondaire: #b9bdc3;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--blanc);
  background: var(--gris);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  text-align: center;
}

main {
  width: min(100%, 810px);
  margin: auto;
  padding: 64px 28px 48px;
}

.logo {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto 52px;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.025em;
}

.description {
  margin: 0;
  color: var(--texte-secondaire);
  font-size: 1.0625rem;
  line-height: 1.65;
}

address {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 30px 0 0;
  font-style: normal;
}

a { color: inherit; }

.telephone {
  padding: 14px 28px;
  border-radius: 8px;
  background: var(--rouge);
  font-size: 1.0625rem;
  font-weight: 700;
  text-decoration: none;
}

.telephone:hover { background: #df0026; }

.email {
  max-width: 100%;
  padding: 10px 4px;
  font-size: 1rem;
  overflow-wrap: anywhere;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.email:hover { color: #fff; }

a:focus-visible {
  outline: 2px solid var(--blanc);
  outline-offset: 5px;
}

footer {
  padding: 16px 24px 30px;
  color: var(--texte-secondaire);
  font-size: .875rem;
  line-height: 1.5;
}

footer strong { color: var(--blanc); }

@media (max-width: 480px) {
  main { padding: 48px 24px 32px; }
  .logo { margin-bottom: 40px; }
  .description { font-size: 1rem; }
  footer { padding-bottom: 24px; }
}