/* ============================================================
   AlcalSpark — Diagnostic interactif (accueil, après le hero)
   Trois axes explorables en parallèle + synthèse finale.
   ============================================================ */

.diagnostic-section {
  padding: var(--section-py) 0;
  background: transparent;
}

.diagnostic-intro {
  max-width: 660px;
  margin: 0 auto 3rem;
  text-align: center;
}
.diagnostic-intro .eyebrow { justify-content: center; }
.diagnostic-intro h2 { margin-bottom: 1rem; }
.diagnostic-intro > p {
  margin: 0 auto;
  color: var(--muted);
}

/* ── Barre de progression globale ─────────────────────────── */
.diag-progress {
  max-width: 420px;
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.diag-progress-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.diag-progress-bar {
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: rgba(248, 245, 242, 0.08);
  overflow: hidden;
}
.diag-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--green-bright);
  border-radius: 999px;
  transition: width 0.6s var(--ease-out, ease);
}

/* ── Grille des 3 axes ────────────────────────────────────── */
.diag-axes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 900px) {
  .diag-axes { grid-template-columns: 1fr; }
}

.diag-axis {
  padding: 0;
  cursor: default;
}

/* Fond blob plein cadre derrière tout le contenu de la carte : le
   texte est promu au-dessus (z-index) et un voile de contraste
   dégradé garantit sa lisibilité quelle que soit l'intensité du blob. */
.diag-axis-blobs {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}
.diag-blob-canvas {
  display: block;
  width: 100%;
  height: 100%;
  filter: blur(30px);
}
.diag-axis-blobs::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(10, 13, 11, 0.18) 0%,
    rgba(10, 13, 11, 0.46) 55%,
    rgba(10, 13, 11, 0.7) 100%);
  pointer-events: none;
}

.diag-axis-toggle {
  position: relative;
  z-index: 2;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.6rem 1.5rem;
  background: none;
  border: none;
  color: #F8F5F2;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}
.diag-axis-toggle:focus-visible { outline: 2px solid var(--green-bright); outline-offset: -2px; }

.diag-axis-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(56, 81, 68, 0.22);
  border: 1px solid rgba(90, 138, 110, 0.28);
  font-size: 1.1rem;
  transition: transform 0.35s var(--ease-out, ease);
}
.diag-axis.is-open .diag-axis-icon { transform: scale(1.08); }

.diag-axis-heading {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.diag-axis-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, 0.55);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
}
.diag-axis-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  line-height: 1.25;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
}

.diag-axis-status {
  flex-shrink: 0;
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, 0.55);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
  transition: color 0.3s ease;
}
.diag-axis.is-started .diag-axis-status { color: var(--green-bright); }
.diag-axis.is-complete .diag-axis-status { color: #F8F5F2; }

.diag-axis-chevron {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  position: relative;
}
.diag-axis-chevron::before,
.diag-axis-chevron::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 8px;
  width: 7px;
  height: 1.5px;
  background: rgba(248, 245, 242, 0.5);
  transition: transform 0.35s var(--ease-out, ease);
}
.diag-axis-chevron::before { transform: rotate(45deg); transform-origin: right; }
.diag-axis-chevron::after  { left: 8px; transform: rotate(-45deg); transform-origin: left; }
.diag-axis.is-open .diag-axis-chevron::before { transform: rotate(-45deg); }
.diag-axis.is-open .diag-axis-chevron::after  { transform: rotate(45deg); }

/* ── Corps déplié : questions / réponses ─────────────────── */
.diag-axis-body {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.diag-step {
  padding-top: 1.1rem;
  border-top: 1px solid rgba(248, 245, 242, 0.08);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s var(--ease-out, ease), transform 0.45s var(--ease-out, ease);
}
.diag-step.is-visible { opacity: 1; transform: translateY(0); }

.diag-question {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(248, 245, 242, 0.92);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.9rem;
}

.diag-answers {
  display: flex;
  gap: 0.6rem;
}

.diag-answer {
  flex: 1;
  padding: 0.6rem 1rem;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #F8F5F2;
  background: rgba(248, 245, 242, 0.03);
  border: 1px solid rgba(248, 245, 242, 0.16);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease, opacity 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}
.diag-answer:hover {
  border-color: var(--green-bright);
  background: rgba(56, 81, 68, 0.28);
}
.diag-answer:focus-visible { outline: 2px solid var(--green-bright); outline-offset: 2px; }
.diag-answer.is-chosen {
  opacity: 1;
  border-color: var(--green-bright);
  background: var(--green);
  color: #F8F5F2;
}
.diag-step.is-answered .diag-answer:not(.is-chosen) { opacity: 0.5; }
.diag-step.is-answered .diag-answer:not(.is-chosen):hover { opacity: 0.9; }

.diag-step-edit-hint {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(248, 245, 242, 0.4);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  margin-top: 0.55rem;
}

.diag-leaf {
  padding-top: 1.1rem;
  border-top: 1px solid rgba(90, 138, 110, 0.25);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s var(--ease-out, ease), transform 0.5s var(--ease-out, ease);
}
.diag-leaf.is-visible { opacity: 1; transform: translateY(0); }

.diag-leaf-tag {
  display: inline-flex;
  font-family: var(--font-ui);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-bright);
  background: rgba(56, 81, 68, 0.22);
  border: 1px solid rgba(90, 138, 110, 0.3);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  margin-bottom: 0.7rem;
}
.diag-leaf.is-optional .diag-leaf-tag {
  color: rgba(248, 245, 242, 0.65);
  background: rgba(248, 245, 242, 0.05);
  border-color: rgba(248, 245, 242, 0.15);
}
.diag-leaf-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
  margin-bottom: 0.5rem;
}
.diag-leaf-desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: rgba(248, 245, 242, 0.78);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   Synthèse finale
   ============================================================ */

.diag-final {
  margin-top: 4rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out, ease), transform 0.7s var(--ease-out, ease);
}
.diag-final.is-visible { opacity: 1; transform: translateY(0); }
.diag-final[hidden] { display: none; }

.diag-final-recap {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2.75rem;
}
.diag-final-recap .eyebrow { justify-content: center; }
.diag-final-heading { margin-bottom: 1.75rem; }

.diag-recap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 900px) {
  .diag-recap-list { grid-template-columns: 1fr; }
}

.diag-recap-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1.1rem 1.2rem;
  text-align: left;
  border-radius: 12px;
}

.diag-recap-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(56, 81, 68, 0.22);
  border: 1px solid rgba(90, 138, 110, 0.28);
  font-size: 0.95rem;
}

.diag-recap-body { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.diag-recap-axis {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, 0.4);
}
.diag-recap-tag {
  font-family: var(--font-body);
  font-size: 0.86rem;
  font-weight: 500;
  color: #F8F5F2;
  line-height: 1.35;
}

/* ── Split : formulaire + coordonnées ─────────────────────── */
.diag-final-layout {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .diag-final-layout { grid-template-columns: 1fr; gap: 40px; }
}

.diag-final-form-wrap h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}
.diag-final-form-wrap > p {
  color: rgba(248, 245, 242, 0.65);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.diag-final-info .eyebrow { margin-bottom: 1.25rem; }