:root {
  color-scheme: dark;
  --red: #e0161c;
  --red-dark: #a90c11;
  --ink: #0b0b0d;
  --line: rgba(255, 255, 255, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 50% -15%, rgba(224, 22, 28, 0.25), transparent 38rem),
    linear-gradient(135deg, #161619 0%, var(--ink) 48%, #151518 100%);
}

.maintenance-page {
  display: grid;
  min-height: 100vh;
  padding: clamp(12px, 2.5vw, 32px);
  place-items: center;
}

.maintenance-card {
  width: min(1100px, 100%);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #050506;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(224, 22, 28, 0.08);
}

.construction-visual,
.promotion-visual {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.construction-visual {
  /* Partie supérieure « Site en construction » du visuel 1536 × 1024. */
  aspect-ratio: 1536 / 205;
}

.promotion-visual {
  /* Partie promotionnelle située après la bande noire et jaune. */
  aspect-ratio: 1536 / 819;
}

.construction-visual img,
.promotion-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.promotion-visual img {
  transform: translateY(-20.02%);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 700px) {
  .maintenance-page {
    display: block;
    padding: 0;
  }

  .maintenance-card {
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
}