/* ============================================================
 * VDE — Formulaires devis multi-étapes (styles partagés)
 * Utilisé par : index.html (IRVE Particulier / Pro), panneaux-solaires.html
 * /assets/ est servi en cache immutable 1 an (vercel.json) :
 * à chaque modification, changer ?v= dans les pages qui l’incluent.
 * ============================================================ */
/* === CONTACT / DEVIS =========================================== */
.contact { padding: 96px 24px; background: var(--bg-alt); position: relative; overflow: hidden; }
[data-theme="dark"] .contact { background: #0d1a10; }
.contact-inner { max-width: 900px; margin: 0 auto; }
.contact-header { text-align: center; margin-bottom: 48px; }
.contact-tag {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--green); background: var(--green-soft);
  padding: 4px 12px; border-radius: 100px; margin-bottom: 16px;
}
.contact-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 900; line-height: 1.15;
  color: var(--text); margin-bottom: 12px;
}
[data-theme="dark"] .contact-title { color: #e8f5ee; }
.contact-title .italic { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; color: var(--green); }
.contact-sub { font-size: 1.05rem; color: var(--text-2); max-width: 520px; margin: 0 auto; }
.contact-toggle {
  display: flex; gap: 4px; background: var(--bg); border: 1.5px solid var(--border);
  border-radius: 12px; padding: 4px; width: fit-content; margin: 0 auto 40px;
}
[data-theme="dark"] .contact-toggle { background: #162012; border-color: #2a3d2a; }
.contact-toggle-btn {
  padding: 10px 28px; border: none; border-radius: 9px; font-size: .9rem;
  font-weight: 600; cursor: pointer; background: transparent; color: var(--text-2); transition: all .2s;
}
.contact-toggle-btn.active { background: var(--green); color: #fff; box-shadow: 0 2px 8px rgba(11,168,95,.3); }
.contact-form {
  background: var(--bg); border: 1.5px solid var(--border); border-radius: 20px;
  padding: 40px; display: none;
}
.contact-form.active { display: block; }
.contact-form { scroll-margin-top: 96px; }
[data-theme="dark"] .contact-form { background: #162012; border-color: #2a3d2a; }
.contact-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-field { display: flex; flex-direction: column; gap: 6px; }
.contact-field.full { grid-column: 1 / -1; }
.contact-field label {
  font-size: .82rem; font-weight: 600; color: var(--text-2);
  text-transform: uppercase; letter-spacing: .06em;
}
.contact-field input, .contact-field select, .contact-field textarea {
  padding: 12px 16px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: 1rem; font-family: inherit; color: var(--text); background: var(--bg);
  transition: border-color .2s; outline: none;
}
[data-theme="dark"] .contact-field input,
[data-theme="dark"] .contact-field select,
[data-theme="dark"] .contact-field textarea { background: #0d1a10; border-color: #2a3d2a; color: #e8f5ee; }
.contact-field input:focus, .contact-field select:focus, .contact-field textarea:focus { border-color: var(--green); }
.contact-field textarea { resize: vertical; min-height: 100px; }
.contact-checkboxes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.contact-check {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px;
  border: 1.5px solid var(--border); border-radius: 8px; cursor: pointer;
  font-size: .88rem; transition: all .2s;
}
[data-theme="dark"] .contact-check { border-color: #2a3d2a; color: #c8e6d0; }
.contact-check input { width: 15px; height: 15px; accent-color: var(--green); margin: 0; }
.contact-check:has(input:checked) { background: var(--green-soft); border-color: var(--green); color: var(--green-deep); }
[data-theme="dark"] .contact-check:has(input:checked) { background: rgba(11,168,95,.15); color: var(--green-light); }
/* Case RGPD : texte courant (la règle .contact-field label le passait en majuscules grasses) */
.contact-field label.contact-rgpd { display: block; position: relative; padding-left: 25px; margin-top: 4px; font-size: .8rem; font-weight: 400; line-height: 1.5; color: var(--text-mute); text-transform: none; letter-spacing: 0; }
.contact-rgpd input { position: absolute; left: 0; top: 3px; width: 15px; height: 15px; margin: 0; accent-color: var(--green); }
.contact-trust { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 20px; font-size: .82rem; color: var(--text-mute); }
.contact-trust span { display: flex; align-items: center; gap: 6px; }
.contact-trust span::before { content: '✓'; color: var(--green); font-weight: 700; }
.contact-submit {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 32px; min-height: 56px; width: 100%;
  background: var(--green); color: #fff; border: none; border-radius: 12px;
  font-size: 1rem; font-weight: 700; cursor: pointer;
  font-family: 'Inter Tight', sans-serif;
  transition: background 200ms cubic-bezier(0.16,1,0.3,1),
              transform 200ms cubic-bezier(0.16,1,0.3,1),
              box-shadow 200ms cubic-bezier(0.16,1,0.3,1);
  margin-top: 24px;
}
@media (min-width: 768px) {
  .contact-submit { width: auto; min-width: 240px; }
}
.contact-submit:hover {
  background: var(--green-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11,168,95,0.24);
}
.contact-submit:active { transform: translateY(0); }
.contact-submit:focus-visible {
  outline: 3px solid rgba(11,168,95,0.4);
  outline-offset: 2px;
}
.contact-submit:disabled {
  background: var(--text-2);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.contact-spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: contact-spin 600ms linear infinite;
  margin-right: 8px;
  vertical-align: middle;
  flex-shrink: 0;
}
@keyframes contact-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .contact-spinner { animation: none; }
  .contact-submit:hover { transform: none; }
}

/* Radios civilité */
.contact-radio-label {
  font-size: .82rem; font-weight: 600; color: var(--text-2);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; display: block;
}
.contact-radios { display: flex; flex-wrap: wrap; gap: 8px; }
.contact-radio {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 18px; min-height: 44px;
  border: 1.5px solid var(--border); border-radius: 10px;
  font-size: .9rem; font-weight: 600; color: var(--text); cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
[data-theme="dark"] .contact-radio { border-color: #2a3d2a; color: #c8e6d0; }
.contact-radio input { width: 16px; height: 16px; accent-color: var(--green); margin: 0; }
.contact-radio:has(input:checked) { background: var(--green-soft); border-color: var(--green); color: var(--green-deep); }
[data-theme="dark"] .contact-radio:has(input:checked) { background: rgba(11,168,95,.15); color: var(--green-light); }

/* Help text + status */
.contact-help { font-size: .76rem; color: var(--text-mute); margin-top: 4px; }
.contact-status {
  margin-top: 16px; min-height: 1.4em;
  font-size: .88rem; color: var(--text-2);
  font-weight: 500;
}

/* Inputs : focus + invalid + min font-size mobile */
.contact-field input,
.contact-field select,
.contact-field textarea { font-size: 16px; }
.contact-field input:focus-visible,
.contact-field select:focus-visible,
.contact-field textarea:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
  border-color: var(--green);
}
.contact-field input[aria-invalid="true"],
.contact-field select[aria-invalid="true"],
.contact-field textarea[aria-invalid="true"] {
  border-color: #d33b3b;
  background: rgba(211, 59, 59, 0.04);
}
.contact-channels {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 48px;
}
.contact-channel {
  display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 24px 16px;
  background: var(--bg); border: 1.5px solid var(--border); border-radius: 16px;
  text-decoration: none; color: var(--text); transition: border-color .2s, box-shadow .2s; text-align: center;
}
[data-theme="dark"] .contact-channel { background: #162012; border-color: #2a3d2a; color: #e8f5ee; }
.contact-channel:hover { border-color: var(--green); box-shadow: 0 4px 16px rgba(11,168,95,.12); }
.contact-channel-icon {
  width: 44px; height: 44px; background: var(--green-soft); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; color: var(--green);
}
.contact-channel-label { font-size: .85rem; font-weight: 700; color: var(--text); }
[data-theme="dark"] .contact-channel-label { color: #e8f5ee; }
.contact-channel-sub { font-size: .78rem; color: var(--text-mute); }
@media (max-width: 640px) {
  .contact { padding: 64px 16px; }
  .contact-form { padding: 24px 16px; }
  .contact-form-grid { grid-template-columns: 1fr; }
  .contact-channels { grid-template-columns: repeat(2, 1fr); }
  .contact-toggle-btn { padding: 8px 18px; font-size: .85rem; }
}

/* Formulaires multi-étapes (partagés Particulier / Pro) */
.contact-step, .contact-q { border: 0; padding: 0; margin: 0; min-width: 0; }
.contact-step[hidden], .contact-q[hidden], [data-last-only][hidden], [data-step-prev][hidden], [data-step-next][hidden] { display: none !important; }
.contact-step-title {
  font-size: 1.25rem; font-weight: 800; color: var(--text); margin-bottom: 20px; padding: 0; outline: none;
}
[data-theme="dark"] .contact-step-title { color: #e8f5ee; }
.contact-q .contact-radio-label { padding: 0; }
.contact-q-hint { text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--text-mute); }
.contact-q.is-invalid .contact-radio { border-color: #d33b3b; }
.contact-q.is-invalid .contact-radio-label { color: #d33b3b; }
.contact-photo-note { font-size: .85rem; color: var(--text-mute); line-height: 1.5; margin: 0; }
.contact-progress-label { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green); margin: 0 0 10px; }
.contact-progress { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0 0 28px; padding: 0; }
.contact-progress-item {
  display: flex; align-items: center; gap: 8px; padding-top: 10px;
  border-top: 3px solid var(--border); font-size: .8rem; font-weight: 600; color: var(--text-mute);
}
[data-theme="dark"] .contact-progress-item { border-top-color: #2a3d2a; }
.contact-progress-item.is-current, .contact-progress-item.is-done { border-top-color: var(--green); color: var(--text); }
[data-theme="dark"] .contact-progress-item.is-current, [data-theme="dark"] .contact-progress-item.is-done { color: #e8f5ee; }
.contact-progress-num {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 22px; height: 22px; border-radius: 50%; font-size: .72rem;
  background: var(--border); color: var(--text-2);
}
.contact-progress-item.is-current .contact-progress-num,
.contact-progress-item.is-done .contact-progress-num { background: var(--green); color: #fff; }
.contact-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.contact-nav .contact-submit { margin-left: auto; }
.contact-back {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 24px;
  min-height: 56px; padding: 0 20px; border: 1.5px solid var(--border); border-radius: 12px;
  background: transparent; color: var(--text-2); font-weight: 600; font-size: 1rem; cursor: pointer; font-family: inherit;
}
[data-theme="dark"] .contact-back { border-color: #2a3d2a; color: #c8e6d0; }
.contact-back:hover { border-color: var(--green); color: var(--green); }
.contact-back:focus-visible { outline: 3px solid rgba(11,168,95,0.4); outline-offset: 2px; }
@media (max-width: 640px) {
  .contact-progress-txt { display: none; }
  .contact-progress-item { justify-content: center; }
  .contact-nav { flex-wrap: nowrap; }
  .contact-nav .contact-submit { flex: 1; width: auto; }
  .contact-radio { padding: 10px 14px; font-size: .88rem; }
}