:root {
  --or: #c4a36a;
  --ombre: rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

main {
  width: 100%;
  max-width: 440px;
  text-align: center;
}

.logo {
  display: block;
  width: 150px;
  height: auto;
  margin: 125px 120px 40px;
}

h1 {
  padding-left: 0.32em;
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--or);
}

.baseline {
  margin-top: 14px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--or);
}

.signature {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 340px;
  margin: 18px auto 0;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--or);
}

.signature::before,
.signature::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--or);
}

.question {
  margin: 56px 0 36px;
  font-size: 1.25rem;
}

.boutons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.btn {
  display: block;
  width: 100%;
  max-width: 280px;
  padding: 22px 0;
  background: var(--or);
  color: #fff;
  text-decoration: none;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: 0 4px 8px var(--ombre);
  transition:
    transform 0.15s,
    box-shadow 0.15s,
    filter 0.15s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px var(--ombre);
  filter: brightness(1.05);
}

.btn:active {
  transform: translateY(0);
}

@media (max-width: 600px) {
  body {
    padding: 1.25rem;
  }
  main {
    max-width: 100%;
  }
  .logo {
    width: min(150px, 45vw);
    height: auto;
    margin: 2rem auto;
  }
  h1 {
    padding-left: 0.2em;
    font-size: clamp(1.7rem, 8vw, 2.4rem);
    letter-spacing: 0.2em;
  }
  .baseline {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
  }
  .signature {
    max-width: 100%;
    gap: 0.6rem;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
  }
  .question {
    margin: 2.5rem 0 1.75rem;
    font-size: 1.1rem;
  }
  .boutons {
    gap: 1rem;
  }
  .btn {
    max-width: 100%;
    padding: 1rem 0.75rem;
    font-size: 1.15rem;
  }
}