:root {
  /* Contrat visuel REFERENCE-001. Corriger ici, jamais dans les composants. */
  --color-canvas: #f5f4f6;
  --color-surface: #ffffff;
  --color-surface-blush: #fcf4f5;
  --color-surface-lavender: #f7f2ff;
  --color-surface-peach: #fff5f1;
  --color-surface-sun: #fffaec;
  --color-text: #071a43;
  --color-text-soft: #586078;
  --color-text-faint: #9095a5;
  --color-border: #ebe8ec;
  --color-border-pink: #f4dfe8;
  --color-pink: #f31980;
  --color-pink-strong: #e40a70;
  --color-pink-text: #d90b69;
  --color-purple: #7038e8;
  --color-purple-deep: #5521c8;
  --color-coral: #f36d45;
  --color-yellow: #f7b900;
  --color-focus: #165dcc;

  /* Les deux extrémités gardent un contraste AA avec le texte blanc des CTA. */
  --gradient-primary: linear-gradient(96deg, var(--color-pink-text) 0%, #d10a70 100%);
  --gradient-guide: linear-gradient(96deg, #8043ec 0%, #6728e5 100%);
  --gradient-brand: linear-gradient(145deg, #7a34e8 10%, #ff1f88 54%, #ffc310 88%);

  --font-sans: "Avenir Next", "Nunito Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: clamp(1.05rem, 0.98rem + 0.25vw, 1.2rem);
  --font-size-card-title: clamp(1.15rem, 1.05rem + 0.3vw, 1.42rem);
  --font-size-title: clamp(2.4rem, 2rem + 2vw, 3.55rem);
  --line-height-tight: 1.08;
  --line-height-body: 1.48;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  --radius-sm: 0.55rem;
  --radius-md: 1rem;
  --radius-lg: 1.3rem;
  --radius-xl: 1.7rem;
  --radius-pill: 999px;
  --shadow-shell: 0 1.2rem 3.8rem rgb(23 20 34 / 8%);
  --shadow-card: 0 0.4rem 1.2rem rgb(23 20 34 / 3%);
  --content-width: 78rem;
  --transition-fast: 150ms ease;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
  }
}