.hp-audiences {
  color: var(--color-white);
  background:
    radial-gradient(60% 80% at 100% 0%, rgb(98 231 235 / 0.16), transparent 70%),
    var(--color-teal-deep);
}

.hp-audiences .hp-h2 {
  max-width: 760px;
}

.hp-aud-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--aud-gap);
}

.hp-audiences {
  --aud-gap: 18px;
  /* Centre de la 1re / 3e colonne de la grille. */
  --aud-c1: calc((100% - 2 * var(--aud-gap)) / 6);
  --aud-line: rgb(255 254 251 / 0.26);
}

/* ---------- Liaison entre les acteurs ----------
   Une pastille centrale (l'espace partagé) descend sur un bus horizontal
   qui se branche en haut de chaque carte. Une impulsion parcourt le réseau :
   tige → bus (vers l'extérieur) → descentes latérales ; la descente centrale
   prolonge directement la tige. Cycle commun de 3,6 s. */
.hp-aud-net {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  margin-top: 52px;
}

.hp-aud-hub {
  position: relative;
  display: inline-flex;
  align-self: center;
  align-items: center;
  gap: 10px;
  border: 1px solid rgb(98 231 235 / 0.4);
  border-radius: var(--radius-pill);
  padding: 8px 18px 8px 12px;
  background-color: rgb(98 231 235 / 0.1);
  font-size: 13px;
  font-weight: 700;
}

.hp-aud-hub-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 0 0 rgb(98 231 235 / 0.6);
  animation: hp-aud-ping 3.6s ease-out infinite;
}

/* Tige pastille → bus */
.hp-aud-hub::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, transparent, var(--color-cyan), transparent) 0 -14px / 100% 14px no-repeat, var(--aud-line);
  animation: hp-aud-stem 3.6s linear infinite;
}

.hp-aud-bus {
  position: relative;
  height: 40px;
  margin-top: 24px;
}

.hp-aud-bus-half {
  position: absolute;
  top: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-cyan), transparent) -50% 0 / 30% 100% no-repeat, var(--aud-line);
}

.hp-aud-bus-half--l {
  left: var(--aud-c1);
  right: 50%;
  animation: hp-aud-bus-l 3.6s linear 0.72s infinite backwards;
}

.hp-aud-bus-half--r {
  left: 50%;
  right: var(--aud-c1);
  animation: hp-aud-bus-r 3.6s linear 0.72s infinite backwards;
}

.hp-aud-drop {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--aud-c1);
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-cyan), transparent) 0 -14px / 100% 14px no-repeat, var(--aud-line);
  animation: hp-aud-drop 3.6s linear 1.62s infinite backwards;
}

.hp-aud-drop--mid {
  left: 50%;
  animation-delay: 0.72s;
}

.hp-aud-drop--soon {
  left: auto;
  right: var(--aud-c1);
  background-image: linear-gradient(to bottom, transparent, var(--color-lime), transparent);
  background-color: rgb(226 230 47 / 0.3);
}

/* Point de branchement, posé sur la bordure haute de la carte */
.hp-aud-drop::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 0 4px rgb(98 231 235 / 0.16);
  transform: translate(-50%, 50%);
}

.hp-aud-drop--soon::after {
  background-color: var(--color-lime);
  box-shadow: 0 0 0 4px rgb(226 230 47 / 0.16);
}

@keyframes hp-aud-stem {
  0% { background-position: 0 -14px, 0 0; }
  20%, 100% { background-position: 0 24px, 0 0; }
}

@keyframes hp-aud-drop {
  0% { background-position: 0 -14px, 0 0; }
  20%, 100% { background-position: 0 40px, 0 0; }
}

@keyframes hp-aud-bus-r {
  0% { background-position: -50% 0, 0 0; }
  25%, 100% { background-position: 150% 0, 0 0; }
}

@keyframes hp-aud-bus-l {
  0% { background-position: 150% 0, 0 0; }
  25%, 100% { background-position: -50% 0, 0 0; }
}

@keyframes hp-aud-ping {
  0% { box-shadow: 0 0 0 0 rgb(98 231 235 / 0.6); }
  40%, 100% { box-shadow: 0 0 0 8px rgb(98 231 235 / 0); }
}

@media (prefers-reduced-motion: reduce) {
  .hp-aud-net *,
  .hp-aud-net *::after,
  .hp-aud-hub::after {
    animation: none !important;
  }
}

.hp-aud-grid > :nth-child(2) { --reveal-delay: 80ms; }
.hp-aud-grid > :nth-child(3) { --reveal-delay: 160ms; }

.hp-aud {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid rgb(255 254 251 / 0.16);
  border-radius: var(--radius-lg);
  padding: 30px;
  background-color: rgb(255 254 251 / 0.06);
  transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.35s var(--ease-out);
}

a.hp-aud:hover {
  border-color: rgb(255 254 251 / 0.34);
  background-color: rgb(255 254 251 / 0.11);
  transform: translateY(-3px);
}

.hp-aud-k {
  color: var(--color-cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hp-aud-k--lime {
  color: var(--color-lime);
}

.hp-aud-h {
  margin-top: 16px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.hp-aud-p {
  margin-top: 10px;
  margin-bottom: 26px;
  color: rgb(255 254 251 / 0.78);
  font-size: 15px;
  line-height: 1.55;
}

.hp-aud-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  color: var(--color-black);
  background-color: var(--color-cyan);
  font-size: 14px;
  font-weight: 800;
  transition: background-color 0.25s ease;
}

.hp-aud-btn span {
  transition: transform 0.3s var(--ease-out);
}

a.hp-aud:hover .hp-aud-btn {
  background-color: color-mix(in srgb, var(--color-cyan) 85%, #000 10%);
}

a.hp-aud:hover .hp-aud-btn span {
  transform: translateX(4px);
}

/* Pas encore disponible : bouton à contour lime, inerte */
.hp-aud-btn--soon {
  border: 1px solid rgb(226 230 47 / 0.5);
  color: var(--color-lime);
  background-color: transparent;
  cursor: default;
}

.hp-aud-badge {
  position: absolute;
  top: 24px;
  right: 24px;
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  color: var(--color-black);
  background-color: var(--color-lime);
  font-size: 11px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .hp-aud-grid {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 24px;
  }

  /* Cartes empilées : plus de bus, la tige tombe dans la 1re carte
     et un trait relie chaque carte à la suivante. */
  .hp-aud-bus {
    display: none;
  }

  .hp-aud-grid > * + *::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    width: 1px;
    height: calc(var(--aud-gap) + 2px);
    background-color: var(--aud-line);
  }
}

@media (max-width: 640px) {
  .hp-aud {
    padding: 24px;
  }
}