.rchc-registration-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  color: #111;
}

/* HERO */
.rchc-registration-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0d0d0d 0%, #1b1b1b 60%, #252525 100%);
  color: #fff;
  border-radius: 28px;
  padding: 72px 28px;
  margin: 20px 0 40px;
  text-align: center;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.rchc-registration-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,0.08), transparent 28%),
    radial-gradient(circle at bottom left, rgba(255,255,255,0.05), transparent 30%);
  pointer-events: none;
}

.rchc-registration-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
}

.rchc-registration-logo {
  max-width: 110px;
  height: auto;
  margin: 0 auto 22px;
  display: block;
}

.rchc-registration-title {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
  margin: 0 0 16px;
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.rchc-registration-subtitle {
  max-width: 760px;
  margin: 0 auto 28px;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
}

/* BOUTONS */
.rchc-registration-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.rchc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.rchc-btn-primary {
  background: #fff;
  color: #111;
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.12);
}

.rchc-btn-primary:hover {
  transform: translateY(-2px);
  background: #f3f3f3;
}

.rchc-btn-secondary {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
}

.rchc-btn-secondary:hover {
  transform: translateY(-2px);
  background: rgba(255,255,255,0.14);
}

/* CONTENU */
.rchc-registration-content {
  max-width: 1100px;
  margin: 0 auto;
}

/* GRILLES */
.rchc-info-grid,
.rchc-documents-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

/* CARTES */
.rchc-info-card,
.rchc-doc-card,
.rchc-notice,
.rchc-form-wrapper,
.rchc-help-box {
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 22px;
  padding: 26px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
}

.rchc-info-card,
.rchc-doc-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.rchc-info-card:hover,
.rchc-doc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.09);
  border-color: #dfdfdf;
}

/* TEXTES */
.rchc-info-card h3,
.rchc-section h2 {
  margin-top: 0;
  color: #111;
}

.rchc-info-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  line-height: 1.25;
}

.rchc-info-card p,
.rchc-doc-card p,
.rchc-notice p,
.rchc-help-box p {
  margin: 0;
  color: #5b5b5b;
  line-height: 1.7;
  font-size: 15.5px;
}

.rchc-section {
  margin-top: 34px;
}

.rchc-section h2 {
  font-size: 30px;
  line-height: 1.15;
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* DOCUMENTS */
.rchc-doc-card {
  text-align: center;
  padding: 28px 22px;
}

.rchc-doc-card .material-symbols-outlined {
  font-size: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 14px;
  border-radius: 18px;
  background: #f5f5f5;
  color: #111;
}

.rchc-doc-card p {
  font-weight: 600;
  color: #222;
}

/* NOTICE */
.rchc-notice {
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfb 100%);
}

.rchc-notice p + p {
  margin-top: 10px;
}

/* FORM INTRO */
.rchc-form-intro {
  margin-bottom: 16px;
  color: #5b5b5b;
  line-height: 1.7;
  font-size: 15.5px;
}

/* AIDE */
.rchc-help-box {
  background: #111;
  color: #fff;
  border: none;
}

.rchc-help-box p {
  color: rgba(255,255,255,0.88);
}

.rchc-help-box a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.35);
}

.rchc-help-box a:hover {
  border-bottom-color: #fff;
}

/* FORM WRAPPER */
.rchc-form-wrapper {
  padding: 28px;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .rchc-info-grid,
  .rchc-documents-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rchc-registration-hero {
    padding: 60px 24px;
    border-radius: 24px;
  }
}

@media (max-width: 768px) {
  .rchc-registration-page {
    padding: 16px 14px 40px;
  }

  .rchc-registration-hero {
    padding: 44px 20px;
    margin-bottom: 28px;
    border-radius: 20px;
  }

  .rchc-registration-title {
    font-size: 32px;
  }

  .rchc-registration-subtitle {
    font-size: 15px;
    line-height: 1.65;
  }

  .rchc-info-grid,
  .rchc-documents-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rchc-info-card,
  .rchc-doc-card,
  .rchc-notice,
  .rchc-form-wrapper,
  .rchc-help-box {
    padding: 20px;
    border-radius: 18px;
  }

  .rchc-section h2 {
    font-size: 24px;
  }

  .rchc-registration-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .rchc-btn {
    width: 100%;
  }
}