/* Page « bientôt » de os.spybox.io : sobre, police système, clair ou sombre selon le système. */
:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --fg: #1c1c1e;
  --muted: #55555c;
  --button-bg: #1c1c1e;
  --button-fg: #ffffff;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --fg: #ededef;
    --muted: #a8a8b0;
    --button-bg: #ededef;
    --button-fg: #111113;
  }
}

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

body {
  margin: 0;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: var(--bg);
  color: var(--fg);
}

main {
  width: 100%;
  max-width: 28rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1.5rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}

button {
  min-height: 2.75rem;
  padding: 0.75rem 1.25rem;
  border: 0;
  border-radius: 0.5rem;
  background: var(--button-bg);
  color: var(--button-fg);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 160ms var(--ease-out),
    opacity 160ms var(--ease-out);
}

button:active {
  transform: scale(0.97);
}

button:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  button:hover {
    opacity: 0.85;
  }
}

/* Mouvement réduit : l'appui garde un retour par l'opacité, sans changement d'échelle. */
@media (prefers-reduced-motion: reduce) {
  button:active {
    transform: none;
    opacity: 0.75;
  }
}