/* ═════════════════════════════════════════════════════════
     COMPOSANT : bouton de contact flottant (.cfab)
     Personnaliser via les variables ci-dessous.
     ═════════════════════════════════════════════════════════ */
  .cfab {
    --cfab-primary: #1f6feb;      /* couleur du bouton principal   */
    --cfab-primary-fg: #ffffff;
    --cfab-item-bg: #ffffff;      /* couleur des actions           */
    --cfab-item-fg: #1d2230;
    --cfab-item-border: #dfe3ea;
    --cfab-tip-bg: #1d2230;       /* infobulle                     */
    --cfab-tip-fg: #ffffff;
    --cfab-size: 64px;            /* diamètre du bouton principal  */
    --cfab-item-size: 50px;       /* diamètre des actions          */
    --cfab-offset: 24px;          /* distance au bord de l'écran   */

    position: fixed;
    right: var(--cfab-offset);
    bottom: var(--cfab-offset);
    z-index: 9000;
    width: var(--cfab-size);
    height: var(--cfab-size);
    font-family: inherit;
  }
  .cfab *, .cfab *::before, .cfab *::after { box-sizing: border-box; }

  .cfab__main {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 50%;
    padding: 0;
    background: var(--cfab-primary);
    color: var(--cfab-primary-fg);
    cursor: pointer;
    display: grid;
    place-items: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    -webkit-tap-highlight-color: transparent;
  }
  .cfab__main:focus-visible { outline: 3px solid var(--cfab-primary); outline-offset: 4px; }
  .cfab__inner { display: grid; place-items: center; pointer-events: none; }
  .cfab__inner svg { width: 26px; height: 26px; }
  .cfab__icon-close { position: absolute; opacity: 0; }

  .cfab__item {
    position: absolute;
    z-index: 1;
    top: calc((var(--cfab-size) - var(--cfab-item-size)) / 2);
    left: calc((var(--cfab-size) - var(--cfab-item-size)) / 2);
    width: var(--cfab-item-size);
    height: var(--cfab-item-size);
    border-radius: 50%;
    border: 1px solid var(--cfab-item-border);
    background: var(--cfab-item-bg);
    color: var(--cfab-item-fg);
    display: grid;
    place-items: center;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(0, 0, 0, .12);
    visibility: hidden;           /* GSAP (autoAlpha) gère l'affichage */
    opacity: 0;
    transform: scale(0);
  }
  .cfab__item[hidden] { display: none; }
  .cfab__item svg { width: 20px; height: 20px; pointer-events: none; }
  .cfab__item:hover { color: var(--cfab-primary); border-color: var(--cfab-primary); }
  .cfab__item:focus-visible { outline: 3px solid var(--cfab-primary); outline-offset: 2px; }

  /* Infobulle à gauche de chaque action */
  .cfab__tip {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    translate: 4px -50%;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 6px;
    background: var(--cfab-tip-bg);
    color: var(--cfab-tip-fg);
    font-size: .8rem;
    line-height: 1.2;
    opacity: 0;
    pointer-events: none;
    transition: opacity .15s, translate .15s;
  }
  .cfab__item:hover .cfab__tip,
  .cfab__item:focus-visible .cfab__tip { opacity: 1; translate: 0 -50%; }

  @media (max-width: 480px) {
    .cfab { --cfab-offset: 16px; --cfab-size: 58px; --cfab-item-size: 48px; }
  }