.u-section-1 {
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-image: url("../images/fond_d_ecran_bleu2.png");
  background-size: cover;
}

.u-section-1 .u-sheet-1 {
  min-height: 995px;
}

.u-section-1 .u-text-1 {
  text-shadow: 2px 2px 8px rgba(255,255,255,0.4);
  margin: 35px 215px 0 auto;
}

.u-section-1 .u-group-1 {
  width: 524px;
  min-height: 673px;
  height: auto;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-image: linear-gradient(to bottom, rgba(229, 229, 229, 0.9), rgba(229, 229, 229, 0.9));
  background-size: cover;
  --radius: 30px;
  margin: 26px auto 0 81px;
}

.u-section-1 .u-container-layout-1 {
  padding: 22px 29px;
}

.u-section-1 .u-text-2 {
  font-weight: 500;
  margin: 0 1px;
}

.u-section-1 .u-text-3 {
  font-weight: 500;
  margin: 16px 0 0;
}

.u-section-1 .u-btn-1 {
  --radius: 0px;
  --top-left-radius: 0px;
  --top-right-radius: 0px;
  --bottom-right-radius: 0px;
  --bottom-left-radius: 0px;
  background-image: none;
  border-style: solid;
  margin: -228px auto 204px 0;
  padding: 0;
}

.u-section-1 .u-form-1 {
  height: 774px;
  margin: -698px 71px 60px 660px;
}

.u-section-1 .u-label-1 {
  font-size: 1.25rem;
  font-weight: 500;
  font-style: italic;
}

.u-section-1 .u-input-1 {
  font-size: 1.125rem;
}

.u-section-1 .u-form-group-2 {
  margin-left: 0;
}

.u-section-1 .u-label-2 {
  font-size: 1.25rem;
  font-weight: 500;
  font-style: italic;
}

.u-section-1 .u-label-3 {
  font-size: 1.25rem;
  font-weight: 500;
  font-style: italic;
}

.u-section-1 .u-input-2 {
  font-size: 1.125rem;
}

.u-section-1 .u-label-4 {
  font-size: 1.25rem;
  font-weight: 500;
  font-style: italic;
}

.u-section-1 .u-input-3 {
  font-size: 1.125rem;
}

.u-section-1 .u-form-group-5 {
  margin-left: 0;
}

.u-section-1 .u-label-5 {
  font-size: 1.25rem;
  font-weight: 500;
  font-style: italic;
}

.u-section-1 .u-input-4 {
  font-size: 1.125rem;
}

.u-section-1 .u-form-group-6 {
  margin-left: 0;
}

.u-section-1 .u-btn-2 {
  background-image: none;
  padding: 0;
}

.u-section-1 .u-btn-3 {
  --radius: 10px;
}

@media (max-width: 1399px) {
  .u-section-1 .u-sheet-1 {
    min-height: 859px;
  }

  .u-section-1 .u-text-1 {
    width: auto;
    margin-top: 34px;
    margin-right: 162px;
  }

  .u-section-1 .u-group-1 {
    margin-top: 29px;
    margin-left: 0;
    height: auto;
  }

  .u-section-1 .u-text-2 {
    width: 296px;
  }

  .u-section-1 .u-form-1 {
    margin: -679px 0 51px 551px;
  }

  .u-section-1 .u-form-group-6 {
    margin-top: -88px;
    margin-right: 190px;
    margin-bottom: 60px;
  }
}

@media (max-width: 1199px) {
  .u-section-1 .u-sheet-1 {
    min-height: 708px;
  }

  .u-section-1 .u-text-1 {
    margin-top: 302px;
  }

  .u-section-1 .u-form-1 {
    margin-top: 20px;
    margin-left: 351px;
  }

  .u-section-1 .u-form-group-6 {
    margin-right: 0;
  }
}

@media (max-width: 991px) {
  .u-section-1 .u-sheet-1 {
    min-height: 542px;
  }

  .u-section-1 .u-text-1 {
    margin-top: 40px;
    margin-right: auto;
  }

  .u-section-1 .u-group-1 {
    margin-left: auto;
  }

  .u-section-1 .u-text-2 {
    width: auto;
  }

  .u-section-1 .u-form-1 {
    width: 589px;
    margin-top: 29px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 767px) {
  .u-section-1 .u-sheet-1 {
    min-height: 407px;
  }

  .u-section-1 .u-text-1 {
    margin-top: 787px;
  }

  .u-section-1 .u-group-1 {
    margin-top: 20px;
  }

  .u-section-1 .u-container-layout-1 {
    padding-left: 10px;
    padding-right: 10px;
  }

  .u-section-1 .u-form-1 {
    width: 540px;
    margin-top: 20px;
  }
}

@media (max-width: 575px) {
  .u-section-1 .u-sheet-1 {
    min-height: 256px;
  }

  .u-section-1 .u-text-1 {
    margin-top: 34px;
  }

  .u-section-1 .u-group-1 {
    margin-right: initial;
    margin-left: initial;
    width: auto;
  }

  .u-section-1 .u-text-2 {
    margin-left: 0;
    margin-right: 0;
  }

  .u-section-1 .u-text-3 {
    width: auto;
    margin-top: 19px;
  }

  .u-section-1 .u-form-1 {
    height: 838px;
    margin-top: 0;
    margin-right: initial;
    margin-left: initial;
    width: auto;
  }
}/* HEADER GÉNÉRAL */
header {
  position: fixed; /* Reste visible en haut */
  top: 0;
  left: 0;
  width: 100%;
  height: 80px; /* Ajuste selon ton design */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  z-index: 1000;
  /* Effet flou + transparence */
  background: rgba(20, 20, 20, 0.4); /* Couleur sombre légèrement transparente */
  backdrop-filter: blur(10px); /* Flou principal */
  -webkit-backdrop-filter: blur(10px); /* Support Safari */
  /* Bordure subtile pour le contraste */
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
/* LOGO */
header .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
}
/* NAVIGATION */
header nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 500;
  transition: color 0.3s ease;
}
header nav a:hover {
  color: #00bfff; /* Accent bleu clair */
}
/* === FORM GLOBAL === */
.u-form-1 {
  background: #0f0f12;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.u-form-1 .u-inner-form {
  padding: 28px;
}
/* === LABELS === */
.u-form-1 .u-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #cfcfd4;
}
/* === INPUTS & TEXTAREA === */
.u-form-1 .u-input {
  background: #16161b;
  border: 2px solid #23232b;
  border-radius: 12px;
  color: #ffffff;
  padding: 14px 16px;
  font-size: 14px;
  transition: all 0.25s ease;
}
.u-form-1 .u-input::placeholder {
  color: #8b8b95;
}
.u-form-1 .u-input:focus {
  border-color: #5b7cff;
  box-shadow: 0 0 0 3px rgba(91,124,255,0.25);
  outline: none;
}
/* TEXTAREA */
.u-form-1 textarea.u-input {
  min-height: 120px;
  resize: vertical;
}
/* === CHECKBOX GROUP === */
.u-form-checkbox-group-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 10px;
}
.u-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #16161b;
  border: 2px solid #23232b;
  border-radius: 12px;
  padding: 10px 14px;
  transition: all 0.2s ease;
}
.u-input-row:hover {
  border-color: #5b7cff;
}
/* CHECKBOX CUSTOM */
.u-field-input[type="checkbox"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 2px solid #5b7cff;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.u-field-input[type="checkbox"]:checked {
  background: #5b7cff;
}
.u-field-input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.u-field-label {
  cursor: pointer;
  font-size: 14px;
  color: #d8d8de;
}
/* === SUBMIT BUTTON === */
.u-btn-1 {
  background: linear-gradient(135deg, #5b7cff, #7a5cff);
  color: #ffffff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  box-shadow: 0 12px 30px rgba(91,124,255,0.35);
  transition: all 0.25s ease;
}
.u-btn-1:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 45px rgba(91,124,255,0.5);
}
/* === MOBILE === */
@media (max-width: 575px) {
  .u-form-1 .u-inner-form {
    padding: 20px;
  }
  .u-form-checkbox-group-wrapper {
    grid-template-columns: 1fr;
  }
}