/* ══════════════════════════════════════════════
   STELNEO — Contact
   Aligné sur la feuille principale
══════════════════════════════════════════════ */

/* ── 1. HEADER ────────────────────────────── */
.contact-header {
  background: var(--bleu);
  padding: 140px var(--page-pad) var(--section-pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.contact-header-inner { display: contents; }

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  line-height: 0.93;
  letter-spacing: 1px;
  color: var(--beige);
  margin: 18px 0 20px;
}
.contact-title .accent { color: var(--jaune); }

.contact-subtitle {
  max-width: 440px;
  font-size: var(--text-lead);
  font-weight: 300;
  line-height: 1.75;
  color: rgba(244, 238, 223, 0.68);
}

.contact-infos {
  display: flex;
  flex-direction: column;
}
.contact-info-item { padding: 28px 0; }
.contact-info-divider { height: 1px; background: rgba(244, 238, 223, 0.10); }

.ci-label {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(244, 238, 223, 0.36);
}
.ci-val {
  font-size: var(--text-body);
  font-weight: 400;
  color: rgba(244, 238, 223, 0.86);
}
.ci-link {
  color: var(--jaune);
  text-decoration: none;
  transition: opacity 0.2s;
}
.ci-link:hover { opacity: 0.8; }

/* ── 2. SECTION FORMULAIRE ────────────────── */
.contact-form-section {
  background: var(--beige);
  padding: var(--section-pad) var(--page-pad);
  display: flex;
  justify-content: center;
}

.form-wrap {
  width: 100%;
  max-width: 780px;
}

/* État succès */
.form-success {
  display: none;
  text-align: center;
  padding: 80px 40px;
}
.success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bleu);
  color: var(--jaune);
  font-size: 28px;
  font-weight: 700;
}
.form-success h2 {
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--bleu);
  margin-bottom: 12px;
}
.form-success p {
  font-size: var(--text-body);
  font-weight: 300;
  color: var(--gris);
}

/* Titres de groupe */
.form-section-title {
  margin: 40px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(0, 47, 75, 0.10);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(0, 47, 75, 0.42);
}
.form-section-title:first-child { margin-top: 0; }

/* Champs */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 16px;
}
.form-group.half { max-width: calc(50% - 8px); }
.form-group label {
  margin-bottom: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--bleu);
}
.required { color: var(--jaune); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--blanc);
  border: 1.5px solid rgba(0, 47, 75, 0.12);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 300;
  color: var(--bleu);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(0, 47, 75, 0.25); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--bleu);
  box-shadow: 0 0 0 3px rgba(0, 47, 75, 0.08);
}
.form-group input.invalid,
.form-group textarea.invalid { border-color: #e24b4a; }
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.field-error {
  display: none;
  margin-top: 5px;
  font-size: 12px;
  color: #e24b4a;
}
.field-error.show { display: block; }

/* Grille de cases */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.checkbox-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  background: var(--blanc);
  border: 1.5px solid rgba(0, 47, 75, 0.12);
  border-radius: var(--radius);
  transition:
    border-color var(--transition-card),
    background var(--transition-card),
    box-shadow var(--transition-card),
    transform var(--transition-card);
}
.checkbox-item:hover {
  border-color: rgba(0, 47, 75, 0.30);
  box-shadow: 0 2px 12px rgba(0, 47, 75, 0.07);
  transform: translateY(-1px);
}
.checkbox-item input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.check-box {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(0, 47, 75, 0.20);
  border-radius: 6px;
  background: transparent;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.check-mark {
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  color: var(--blanc);
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.15s, transform 0.15s;
}
.check-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.check-text strong {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--bleu);
}
.check-text small {
  font-size: 11px;
  font-weight: 300;
  color: rgba(0, 47, 75, 0.45);
}

.checkbox-item:has(input:checked) {
  background: var(--bleu);
  border-color: var(--bleu);
  box-shadow: 0 4px 16px rgba(0, 47, 75, 0.20);
}
.checkbox-item:has(input:checked) .check-box {
  background: var(--jaune);
  border-color: var(--jaune);
  transform: scale(1.05);
}
.checkbox-item:has(input:checked) .check-mark {
  opacity: 1;
  transform: scale(1);
}
.checkbox-item:has(input:checked) .check-text strong { color: var(--beige); }
.checkbox-item:has(input:checked) .check-text small { color: rgba(244, 238, 223, 0.56); }

/* Consentement */
.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 28px 0 8px;
  cursor: pointer;
}
.consent-label input {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--bleu);
}
.consent-label span {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--gris);
}
.consent-label.invalid span { color: #e24b4a; }

/* Submit */
.form-submit-row { margin-top: 32px; }
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  border: none;
  border-radius: 50px;
  background: var(--bleu);
  color: var(--beige);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 47, 75, 0.20);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}
.btn-submit:hover {
  background: var(--bleu-clair);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 47, 75, 0.25);
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.btn-arrow {
  font-size: 18px;
  transition: transform 0.2s;
}
.btn-submit:hover .btn-arrow { transform: translateX(4px); }

/* ── 3. RESPONSIVE ────────────────────────── */
@media (max-width: 1100px) {
  .contact-header {
    gap: 56px;
    padding-bottom: 88px;
  }
  .contact-subtitle { max-width: 100%; }
  .checkbox-grid { grid-template-columns: repeat(2, 1fr); }
  .form-wrap { max-width: 100%; }
}

@media (max-width: 900px) {
  .contact-header {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 110px;
    padding-bottom: 72px;
  }

  .contact-infos {
    padding-top: 32px;
    border-top: 1px solid rgba(244, 238, 223, 0.10);
  }
  .contact-info-item { padding: 20px 0 0; }

  .contact-form-section {
    padding-top: 72px;
    padding-bottom: 100px;
  }

  .form-wrap { max-width: 640px; }
}

@media (max-width: 640px) {
  .contact-header {
    padding: 96px var(--page-pad) 52px;
  }

  .contact-title {
    font-size: clamp(44px, 12vw, 60px);
  }

  .contact-subtitle { font-size: var(--text-body); }
  .contact-info-item { padding: 16px 0 0; }

  .contact-form-section {
    padding: 72px var(--page-pad) 80px;
  }

  .form-section-title {
    margin-top: 28px;
    margin-bottom: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-group { margin-bottom: 14px; }
  .form-group textarea { min-height: 100px; }

  .checkbox-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .check-text strong { font-size: 12px; }
  .check-text small { font-size: 10px; }

  .consent-label { margin-top: 20px; }
  .form-submit-row { margin-top: 24px; }

  .btn-submit {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }

  .form-success { padding: 48px 12px; }
  .form-success h2 { font-size: 34px; }
  .form-success p { font-size: 15px; }
}

@media (max-width: 400px) {
  .contact-header {
    padding: 88px var(--page-pad) 44px;
  }

  .contact-title { font-size: 38px; }

  .checkbox-grid { grid-template-columns: 1fr; }
  .checkbox-item { padding: 12px 12px; gap: 10px; }

  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 10px 12px;
    font-size: 13px;
  }
}