:root {
  color-scheme: dark;
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #F4EEE8;
  background: #222125;
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  padding: clamp(2rem, 6vh, 4rem) clamp(1.25rem, 5vw, 3rem);
  line-height: 1.85;
}

.closure {
  width: 100%;
  max-width: 44rem;
  margin: auto;
  text-align: center;
  overflow-wrap: break-word;
}

.closure__logo {
  display: block;
  width: clamp(10rem, 24vw, 14rem);
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  /* Variante officielle monochrome, éclaircie pour le fond anthracite. */
  filter: invert(1);
  opacity: .9;
}

.closure__divider {
  width: 4rem;
  margin: clamp(1.5rem, 4vh, 2.5rem) auto;
  border: 0;
  border-top: 1px solid #B9A69C;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.closure__announcement {
  margin: 1.4rem 0 0;
  font-size: clamp(.95rem, 2vw, 1.05rem);
}

.closure__thanks {
  max-width: 34rem;
  margin: 1.5rem auto 0;
  font-size: clamp(.9rem, 1.8vw, 1rem);
  text-wrap: pretty;
}

.closure__signature {
  margin: 2rem 0 0;
  color: #B9A69C;
  font-size: .9rem;
}