/* ==========================================================================
   20. Fonctionnement
   ========================================================================== */

.process-section {
  position: relative;
  overflow: hidden;

  padding-block: clamp(90px, 10vw, 150px);

  background:
    radial-gradient(
      circle at 15% 80%,
      rgba(231, 111, 29, 0.11),
      transparent 24%
    ),
    radial-gradient(
      circle at 88% 12%,
      rgba(181, 58, 37, 0.09),
      transparent 22%
    ),
    #090e14;
}

.process-section::before {
  content: "";

  position: absolute;
  inset: 0;

  pointer-events: none;

  background-image: radial-gradient(
    circle,
    rgba(255, 120, 35, 0.22) 0,
    rgba(255, 120, 35, 0.22) 1px,
    transparent 1.5px
  );

  background-size: 48px 48px;

  opacity: 0.16;

  mask-image: linear-gradient(
    180deg,
    transparent,
    #000 22%,
    #000 78%,
    transparent
  );
}

.process-header {
  position: relative;
  z-index: 1;

  display: flex;
  flex-direction: column;
  align-items: center;

  text-align: center;
}

.process-title {
  max-width: 920px;
}

.process-description {
  max-width: 780px;
}

/* ==========================================================================
   Grille des étapes
   ========================================================================== */

.process-grid {
  position: relative;
  z-index: 1;

  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;

  margin-top: 64px;
}

.process-step {
  position: relative;
  isolation: isolate;

  min-width: 0;
  min-height: 280px;
  padding: 30px 24px 28px;

  overflow: hidden;

  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 26px;

  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.075),
    rgba(255, 255, 255, 0.025)
  );

  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.26);

  transition:
    transform var(--transition-slow),
    border-color var(--transition-base),
    box-shadow var(--transition-slow),
    background-color var(--transition-base);
}

/*
|--------------------------------------------------------------------------
| Halo décoratif intérieur
|--------------------------------------------------------------------------
*/

.process-step::before {
  content: "";

  position: absolute;
  top: -100px;
  right: -85px;
  z-index: -1;

  width: 220px;
  height: 220px;

  border-radius: 50%;

  pointer-events: none;

  background: radial-gradient(
    circle,
    rgba(231, 111, 29, 0.16),
    transparent 68%
  );

  opacity: 0.7;

  transition:
    opacity var(--transition-base),
    transform var(--transition-slow);
}

/*
|--------------------------------------------------------------------------
| Trait individuel en haut de chaque carte
|--------------------------------------------------------------------------
*/

.process-step::after {
  content: "";

  position: absolute;
  top: 0;
  left: 28px;

  width: 52px;
  height: 3px;

  border-radius: 0 0 999px 999px;

  background: linear-gradient(
    90deg,
    var(--color-fire-light),
    var(--color-fire)
  );

  box-shadow: 0 0 18px rgba(231, 111, 29, 0.35);

  transition: width var(--transition-slow);
}

.process-step:hover {
  border-color: rgba(255, 137, 65, 0.34);

  background: linear-gradient(
    145deg,
    rgba(231, 111, 29, 0.11),
    rgba(255, 255, 255, 0.03)
  );

  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.4),
    0 0 34px rgba(231, 111, 29, 0.06);

  transform: translateY(-9px);
}

.process-step:hover::before {
  opacity: 1;
  transform: scale(1.15);
}

.process-step:hover::after {
  width: calc(100% - 56px);
}

/* ==========================================================================
   Numéro
   ========================================================================== */

.process-step-number {
  position: absolute;
  top: 22px;
  right: 22px;

  color: rgba(255, 255, 255, 0.1);

  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;

  transition:
    color var(--transition-base),
    transform var(--transition-base);
}

.process-step:hover .process-step-number {
  color: rgba(255, 137, 65, 0.2);

  transform: translateY(-3px);
}

/* ==========================================================================
   Icône
   ========================================================================== */

.process-step-icon {
  position: relative;
  z-index: 1;

  display: grid;
  place-items: center;

  width: 68px;
  height: 68px;

  border: 1px solid rgba(255, 132, 56, 0.42);
  border-radius: 50%;

  color: var(--color-fire-light);

  background: radial-gradient(
    circle at 30% 25%,
    rgba(255, 150, 85, 0.2),
    rgba(231, 111, 29, 0.08)
  );

  box-shadow:
    0 0 0 8px rgba(231, 111, 29, 0.05),
    0 18px 42px rgba(0, 0, 0, 0.32),
    0 0 26px rgba(231, 111, 29, 0.12);

  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.process-step:hover .process-step-icon {
  transform: translateY(-3px) scale(1.04);

  box-shadow:
    0 0 0 10px rgba(231, 111, 29, 0.06),
    0 22px 48px rgba(0, 0, 0, 0.38),
    0 0 32px rgba(231, 111, 29, 0.18);
}

.process-step-icon svg {
  width: 31px;
  height: 31px;
}

/* ==========================================================================
   Contenu
   ========================================================================== */

.process-step h3 {
  position: relative;
  z-index: 1;

  margin: 27px 0 0;

  color: #ffffff;

  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.35;
}

.process-step p {
  position: relative;
  z-index: 1;

  margin: 13px 0 0;

  color: rgba(255, 255, 255, 0.56);

  font-size: 0.9rem;
  line-height: 1.72;
}

/* ==========================================================================
   Bandeau final
   ========================================================================== */

.process-contact {
  position: relative;
  z-index: 1;

  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    auto;
  gap: 38px;

  align-items: center;

  margin-top: 30px;
  padding: 32px 36px;

  overflow: hidden;

  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 26px;

  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.025)
  );

  box-shadow: 0 22px 65px rgba(0, 0, 0, 0.24);
}

.process-contact::after {
  content: "";

  position: absolute;
  top: -140px;
  right: 11%;

  width: 300px;
  height: 300px;

  border-radius: 50%;

  pointer-events: none;

  background: rgba(231, 111, 29, 0.14);

  filter: blur(75px);
}

.process-contact > * {
  position: relative;
  z-index: 1;
}

.process-contact-content > span {
  color: var(--color-fire-light);

  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.process-contact h3 {
  margin: 8px 0 0;

  color: #ffffff;

  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 800;
}

.process-contact p {
  max-width: 760px;
  margin: 9px 0 0;

  color: rgba(255, 255, 255, 0.57);

  font-size: 0.92rem;
  line-height: 1.72;
}

/* ==========================================================================
   Fonctionnement responsive
   ========================================================================== */

@media (max-width: 1100px) {
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .process-contact {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-contact .btn {
    width: 100%;
  }
}

@media (max-width: 767px) {
  .process-section {
    padding-block: 72px;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 16px;

    margin-top: 42px;
  }

  .process-step {
    min-height: auto;
    padding: 25px 21px;
  }

  .process-step::after {
    left: 21px;
  }

  .process-step:hover::after {
    width: calc(100% - 42px);
  }

  .process-step-icon {
    width: 60px;
    height: 60px;
  }

  .process-contact {
    padding: 25px 22px;
  }
}