/* BNBOX — design tokens partagés */
@import url("https://fonts.googleapis.com/css2?family=Unbounded:wght@400;500;700;800&family=Figtree:wght@400;500;600;700&display=swap");

:root {
  --blush: #FFF3F5;      /* fond principal */
  --petal: #FAD4DC;      /* surfaces roses */
  --rose: #E4577B;       /* action / marque */
  --rose-deep: #B8345A;  /* hover, texte sur rose clair */
  --plum: #2E1630;       /* encre */
  --plum-soft: #6B4A68;  /* texte secondaire */
  --pistache: #D9F0C9;   /* argent gagné */
  --leaf: #2F7A3E;       /* texte sur pistache */
  --paper: #FFFFFF;

  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;

  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 32px;
  --r-pill: 999px;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--blush);
  color: var(--plum);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
}

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--rose);
  outline-offset: 3px;
  border-radius: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  border: 0;
  cursor: pointer;
  font: 600 1rem/1 var(--font-body);
  padding: 1rem 1.5rem;
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: transform .2s var(--ease-out), background .2s;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--rose); color: var(--paper); }
.btn-primary:hover { background: var(--rose-deep); }
.btn-ghost { background: transparent; color: var(--plum); box-shadow: inset 0 0 0 2px var(--plum); }
.btn-ghost:hover { background: var(--plum); color: var(--paper); }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Calculateur de gains (partagé classique + 3D) */
.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.calc-field { margin-bottom: 1.6rem; }
.calc-field label {
  display: flex; justify-content: space-between; gap: 1rem;
  font-weight: 600; margin-bottom: .6rem;
}
.calc-field output { font-family: var(--font-display); font-weight: 500; color: var(--rose-deep); }
.calc input[type="range"] {
  width: 100%; accent-color: var(--rose); height: 28px;
}
.calc-hint { color: var(--plum-soft); font-size: .9rem; margin: .3rem 0 0; }
.calc-result {
  background: var(--pistache);
  border-radius: var(--r-md);
  padding: clamp(1.25rem, 3vw, 2rem);
  display: flex; flex-direction: column; justify-content: center;
}
.calc-result p { margin: 0; }
.calc-big {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  color: var(--leaf);
  letter-spacing: -0.04em;
  line-height: 1;
  margin: .4rem 0 .6rem !important;
  font-variant-numeric: tabular-nums;
}
.calc-lines { margin-top: 1rem !important; font-size: .95rem; color: var(--plum-soft); }
.calc-lines strong { color: var(--plum); }

@media (max-width: 760px) {
  .calc { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

[hidden] { display: none !important; }