/* =====================================================================
   KAGNARD — calculateur.css
   Styles de l'outil de simulation de tarif (composant + page dédiée).
   Charte : glassmorphism, accents orange (CTA) / bleu (fraîcheur).
   ===================================================================== */

.calc {
  padding: clamp(1.6rem, 3vw, 2.6rem);
  max-width: 760px;
  margin-inline: auto;
}

/* ---------- Étapes ---------- */
.calc__step {
  border: none;
  padding: 0;
  margin: 0 0 1.8rem;
}
.calc__legend {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-titre);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--noir);
  margin-bottom: 1rem;
  padding: 0;
}
.calc__step-num {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--noir);
  color: var(--blanc);
  font-size: 0.95rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: var(--shadow-1);
}

.calc__field { display: flex; flex-direction: column; gap: 0.5rem; }
.calc__select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--gris-bord);
  border-radius: var(--radius-sm);
  background: var(--blanc);
  font-size: 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.calc__select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}

.calc__note {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: var(--bleu);
}
.calc__note svg { color: var(--bleu); flex-shrink: 0; }

/* ---------- Fenêtres ---------- */
.calc__windows {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.calc-window {
  background: var(--blanc-casse);
  border: 1px solid var(--gris-bord);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.calc-window:focus-within {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}
.calc-window__fields {
  display: flex;
  align-items: flex-end;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.calc-window__field { flex: 1 1 120px; }
.calc-window__field--qty { flex: 0 1 88px; }
.calc-window__field label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gris-texte);
}
.calc-window__field input {
  padding: 0.7rem 0.8rem;
  border: 1.5px solid var(--gris-bord);
  border-radius: 10px;
  background: var(--blanc);
  font-size: 1rem;
  width: 100%;
}
.calc-window__field input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}
.calc-window__field input.is-invalid {
  border-color: #D93025;
  box-shadow: 0 0 0 3px rgba(217, 48, 37, 0.12);
}
.calc-window__x {
  padding-bottom: 0.7rem;
  font-weight: 700;
  color: var(--gris-texte);
}
.calc-window__surface {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-bottom: 0.15rem;
  min-width: 92px;
}
.calc-window__surface-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gris-texte);
}
.calc-window__surface-value {
  font-family: var(--font-titre);
  font-weight: 700;
  color: var(--bleu);
}
.calc-window__remove {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--blanc);
  border: 1.5px solid var(--gris-bord);
  color: var(--gris-texte);
  display: grid;
  place-items: center;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.calc-window__remove:hover {
  color: #D93025;
  border-color: #D93025;
  background: rgba(217, 48, 37, 0.06);
}
/* Cache le bouton supprimer s'il ne reste qu'une fenêtre */
.calc__windows[data-single="true"] .calc-window__remove {
  visibility: hidden;
}

.calc__add {
  padding-block: 0.7rem;
}

/* ---------- Résultat ---------- (moment clé : la révélation du tarif) */
.calc__result {
  position: relative;
  margin-top: 0.5rem;
  padding: 1.6rem 1.7rem;
  border-radius: var(--radius);
  background: var(--gradient-froid);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-2), 0 0 0 1px var(--orange-soft);
  overflow: hidden;
  isolation: isolate;
}
.calc__result::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 8% 0%, rgba(242, 100, 25, 0.14), transparent 55%);
}
.calc__result-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 1rem;
  align-items: center;
}
.calc__result-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.calc__result-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gris-texte);
  font-weight: 600;
}
.calc__result-value {
  font-family: var(--font-titre);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--noir);
}
.calc__result-value--big {
  font-size: clamp(2rem, 5vw, 3rem);
  background: var(--gradient-signature);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.05;
}
/* Animation légère à la mise à jour */
.calc__result-value--big.is-bumped {
  animation: calc-bump 0.4s var(--ease);
}
@keyframes calc-bump {
  0% { transform: scale(1); }
  40% { transform: scale(1.06); }
  100% { transform: scale(1); }
}
.calc__disclaimer {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--gris-texte);
}

/* Cas 3M sur mesure */
.calc__custom-box {
  text-align: center;
  padding: 0.5rem;
}
.calc__custom-title {
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}
.calc__custom-box p { margin-bottom: 1.2rem; }

/* ---------- Actions ---------- */
.calc__actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.calc__actions .btn { flex: 1 1 220px; }
.calc__actions-note {
  margin-top: 1rem;
  text-align: center;
  font-weight: 500;
  min-height: 1.2em;
}
.calc__actions-note.is-success { color: #14603f; }
.calc__actions-note.is-error { color: #a01c14; }

/* ---------- Page dédiée /calculateur.html ---------- */
.calc-page {
  background:
    linear-gradient(180deg, hsl(32 90% 97%) 0%, hsl(210 60% 97%) 70%, hsl(208 70% 96%) 100%);
  background-attachment: fixed;
}
.calc-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  text-align: center;
  isolation: isolate;
}
.calc-hero::before {
  content: "";
  position: absolute;
  top: -35%;
  left: 50%;
  transform: translateX(-50%);
  width: 70vw;
  max-width: 900px;
  height: 90vw;
  max-height: 900px;
  background: radial-gradient(circle, rgba(255, 214, 150, 0.55), rgba(255, 214, 150, 0) 62%);
  z-index: -1;
  pointer-events: none;
}
.calc-hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 1rem;
}
.calc-hero__intro {
  max-width: 60ch;
  margin: 0 auto;
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
}

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  .calc__result-grid { grid-template-columns: 1fr; }
  .calc-window__surface { min-width: 0; }
  .calc__actions .btn { flex: 1 1 100%; }
}