/* PROCESSUS 12 - LE CYCLE : les étapes autour d'un cercle fin qui se trace, un point fait le tour et referme la boucle */
.processus-12 {
  --processus-12-d: clamp(20rem, 34vw, 32rem);
  --processus-12-card: clamp(11rem, 15vw, 15rem);
  --processus-12-gap: clamp(1.25rem, 2vw, 1.75rem);
  --processus-12-texte-doux: color-mix(in srgb, var(--on-primary) 78%, var(--primary));
  padding: clamp(4.5rem, 9vw, 8rem) 5%;
  /* La section se pose sur l'aplat profond : tout texte y est en --on-primary
     (§4.14), et le texte secondaire en est un mélange mesuré à 6,8:1. */
  background: var(--primary);
  color: var(--on-primary);
  font-family: var(--font-body);
}

.processus-12__inner {
  max-width: 1280px;
  margin: 0 auto;
}

/* La scène réserve autour du cercle la place des légendes. La réserve
   haute et basse est calibrée pour une description de 4 à 5 lignes : au-delà,
   la légende déborderait dans la marge de section. */
.processus-12__stage {
  display: flex;
  justify-content: center;
  padding: clamp(11.5rem, 15vw, 13rem) calc(var(--processus-12-card) + var(--processus-12-gap)) clamp(3rem, 5vw, 4rem);
}

.processus-12--diag .processus-12__stage {
  padding-bottom: clamp(6rem, 9vw, 8rem);
}

.processus-12--bas .processus-12__stage {
  padding-bottom: clamp(12.5rem, 16vw, 14rem);
}

.processus-12__ring {
  position: relative;
  width: var(--processus-12-d);
  aspect-ratio: 1;
}

/* ── Le cercle ───────────────────────────────────────────── */
.processus-12__circle {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: rotate(-90deg);
}

.processus-12__circle-track,
.processus-12__circle-trace {
  fill: none;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.processus-12__circle-track {
  stroke: color-mix(in srgb, var(--on-primary) 22%, transparent);
}

.processus-12__circle-trace {
  stroke: var(--on-primary);
  stroke-dasharray: 100;
  stroke-dashoffset: 0;
}

/* Le point voyageur : un bras invisible qui pivote, le point au bout. */
.processus-12__traveler {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0;
  transform: rotate(var(--processus-12-angle, 0deg));
  pointer-events: none;
}

.processus-12__traveler-dot {
  position: absolute;
  top: 0;
  left: 50%;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--on-primary);
  box-shadow: 0 0 0 0.45rem color-mix(in srgb, var(--on-primary) 20%, transparent);
  transform: translate(-50%, -50%);
}

/* ── Le centre ───────────────────────────────────────────── */
.processus-12__center {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: 66%;
  text-align: center;
  transform: translate(-50%, -50%);
}

.processus-12__eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--processus-12-texte-doux);
}

.processus-12__title,
.processus-12__title:hover {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.12;
  color: var(--on-primary);
}

.processus-12__title .mcl-accent {
  font-style: italic;
  font-weight: 500;
  color: var(--on-primary);
}

.processus-12__intro {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--processus-12-texte-doux);
}

/* ── Les étapes : chaque <li> est un point du cercle ─────── */
.processus-12__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.processus-12__step {
  position: absolute;
  top: calc(50% + var(--processus-12-y, 0) * 50%);
  left: calc(50% + var(--processus-12-x, 0) * 50%);
  z-index: 1;
  width: 0;
  height: 0;
  /* Distance du point au bord extérieur du cercle, sur l'axe de la légende :
     une légende en diagonale doit dépasser la courbe, pas le seul point.
     --processus-12-ex / -ey (1 - |x|, 1 - |y|) sont posés par le PHP. */
  --processus-12-dx: calc(var(--processus-12-ex, 0) * var(--processus-12-d) / 2);
  --processus-12-dy: calc(var(--processus-12-ey, 0) * var(--processus-12-d) / 2);
}

.processus-12__node {
  position: absolute;
  top: 0;
  left: 0;
  width: 0.8rem;
  height: 0.8rem;
  border: 1px solid var(--on-primary);
  border-radius: 50%;
  background: var(--on-primary);
  box-shadow: 0 0 0 0.35rem var(--primary);
  transform: translate(-50%, -50%);
  transition:
    background-color 0.6s ease,
    transform 0.6s ease;
}

.processus-12__card {
  position: absolute;
  width: var(--processus-12-card);
}

.processus-12__step--haut .processus-12__card {
  bottom: calc(var(--processus-12-gap) + var(--processus-12-dy));
  left: 0;
  text-align: center;
  transform: translateX(-50%);
}

.processus-12__step--bas .processus-12__card {
  top: calc(var(--processus-12-gap) + var(--processus-12-dy));
  left: 0;
  text-align: center;
  transform: translateX(-50%);
}

.processus-12__step--droite .processus-12__card {
  top: 0;
  left: calc(var(--processus-12-gap) + var(--processus-12-dx));
  text-align: left;
  transform: translateY(-50%);
}

.processus-12__step--gauche .processus-12__card {
  top: 0;
  right: calc(var(--processus-12-gap) + var(--processus-12-dx));
  text-align: right;
  transform: translateY(-50%);
}

.processus-12__num {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 2.8vw, 2.6rem);
  font-weight: 400;
  line-height: 1;
  color: var(--on-primary);
  font-variant-numeric: lining-nums;
  transition: color 0.6s ease;
}

.processus-12__step-title,
.processus-12__step-title:hover {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.5vw, 1.35rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--on-primary);
}

.processus-12__step-title .mcl-accent {
  font-style: italic;
  font-weight: 500;
  color: var(--on-primary);
}

.processus-12__step-desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--processus-12-texte-doux);
}

/* ── Animation (posée par le JS) ─────────────────────────── */
.processus-12.is-animated .processus-12__circle-trace {
  stroke-dashoffset: 100;
  transition: stroke-dashoffset 2.6s cubic-bezier(0.45, 0, 0.2, 1);
}

.processus-12.is-animated.is-drawn .processus-12__circle-trace {
  stroke-dashoffset: 0;
}

.processus-12.is-animated.is-drawn .processus-12__traveler {
  opacity: 1;
  transition:
    opacity 0.8s ease,
    transform 2.4s cubic-bezier(0.65, 0, 0.35, 1);
}

/* Retour à midi après un tour complet : saut invisible, 360° = 0°. */
.processus-12.is-animated.is-drawn .processus-12__traveler.is-reset {
  transition: none;
}

.processus-12.is-animated .processus-12__step:not(.is-current) .processus-12__node {
  border-color: color-mix(in srgb, var(--on-primary) 45%, transparent);
  background: var(--primary);
}

.processus-12.is-animated .processus-12__step:not(.is-current) .processus-12__num {
  color: color-mix(in srgb, var(--on-primary) 40%, var(--primary));
}

.processus-12.is-animated .processus-12__step.is-current .processus-12__node {
  transform: translate(-50%, -50%) scale(1.25);
}

/* ── Bouton ──────────────────────────────────────────────── */
.processus-12__actions {
  margin-top: clamp(1rem, 2vw, 2rem);
  text-align: center;
}

.processus-12__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.9rem;
  border: 1px solid transparent;
  border-radius: 4px;
  background: var(--secondary);
  color: var(--on-secondary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

/* L'accent terre cuite est réservé aux actions. */
.processus-12__cta:hover,
.processus-12__cta:focus-visible {
  /* Sur l'aplat, repasser au vert ferait disparaître le bouton : il s'inverse. */
  background: var(--on-primary);
  color: var(--primary);
  text-decoration: none;
}

.processus-12__cta:focus-visible {
  outline: 2px solid var(--on-primary);
  outline-offset: 3px;
}

/* ── Tablette et mobile : la boucle devient une liste ────────
   Un filet en crochet, fermé en bas, garde l'idée du retour au
   point de départ sans exiger la place d'un cercle. */
@media (max-width: 1024px) {
  .processus-12__stage,
  .processus-12--diag .processus-12__stage,
  .processus-12--bas .processus-12__stage {
    display: block;
    padding: 0;
  }

  .processus-12__ring {
    width: auto;
    aspect-ratio: auto;
  }

  .processus-12__circle,
  .processus-12__traveler {
    display: none;
  }

  .processus-12__center {
    position: static;
    width: auto;
    max-width: 38rem;
    margin-bottom: 2.75rem;
    text-align: left;
    transform: none;
  }

  .processus-12__title,
  .processus-12__title:hover {
    font-size: clamp(2rem, 6vw, 2.8rem);
  }

  .processus-12__steps {
    position: relative;
    display: grid;
    gap: 2.25rem;
    padding: 0.4rem 0 2rem 2.25rem;
  }

  .processus-12__steps::before {
    content: "";
    position: absolute;
    top: 0.4rem;
    bottom: 0;
    left: 0.4rem;
    width: 1.5rem;
    border: 1px solid color-mix(in srgb, var(--on-primary) 28%, transparent);
    border-right: 0;
    border-radius: 0 0 0 1.5rem;
    border-top: 0;
    pointer-events: none;
  }

  .processus-12__step {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    height: auto;
  }

  .processus-12__node {
    top: 0.9rem;
    left: -1.85rem;
  }

  .processus-12__card,
  .processus-12__step--haut .processus-12__card,
  .processus-12__step--bas .processus-12__card,
  .processus-12__step--droite .processus-12__card,
  .processus-12__step--gauche .processus-12__card {
    position: static;
    width: auto;
    max-width: 34rem;
    text-align: left;
    transform: none;
  }

  .processus-12__actions {
    margin-top: 2.5rem;
    text-align: left;
  }
}