/* =========================================================
   BOUSSOLE IA — Arborescence v4 (offre en deux temps)
   Composant additif : n'écrase pas style.css ni journey-v3.css.
   Chargé APRÈS journey-v3.css.
   ========================================================= */

/* ---------- HERO V4 : message en deux temps ---------- */
.hero-v4 .hero-title { max-width: 22ch; }

.hero-v4 .hero-sub strong { color: var(--ink); }

/* Bandeau "l'offre en un coup d'œil" — juste sous le hero */
.hero-v4-offer-strip {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.hero-v4-offer-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.9rem;
  color: var(--slate-700);
  box-shadow: var(--shadow-sm);
}
.hero-v4-offer-chip strong { color: var(--ink); font-weight: 600; }
.hero-v4-offer-chip .fa-solid { color: var(--accent); font-size: 0.85em; }

/* ---------- ARBORESCENCE — le schéma, en haut, équilibré ---------- */
.section.arborescence { padding-top: clamp(3rem, 6vw, 5rem); }

.arbo-intro {
  max-width: 56rem;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.arbo-canvas {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: stretch;
}

/* Chaque temps — mêmes tailles, mêmes poids visuels */
.arbo-phase {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 2.2vw, 2rem);
  box-shadow: var(--shadow);
}

.arbo-phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-500);
  margin-bottom: 1rem;
}
.arbo-phase-badge .fa-solid { color: var(--accent); }

.arbo-phase-title {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 0.35em;
  line-height: 1.15;
}
.arbo-phase-title em { color: var(--accent); }

.arbo-phase-q {
  font-size: 1rem;
  color: var(--slate-700);
  margin: 0 0 1.2rem;
  font-style: normal;
}
.arbo-phase-q em { color: var(--accent); }

/* Liste des actions / résultats */
.arbo-phase-list {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
}
.arbo-phase-list li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--slate-700);
  line-height: 1.5;
}
.arbo-phase-list li .fa-solid {
  color: var(--accent);
  font-size: 0.8em;
  margin-top: 0.28em;
  flex: none;
}

/* Livrable / sortie */
.arbo-phase-out {
  margin-top: auto;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  font-size: 0.92rem;
  color: var(--slate-700);
}
.arbo-phase-out strong { color: var(--ink); display: block; margin-bottom: 0.15rem; }

/* Connecteur central */
.arbo-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 3.2rem;
}
.arbo-link-line {
  width: 2px;
  flex: 1;
  background: linear-gradient(var(--accent-soft), var(--accent));
  border-radius: 2px;
  position: relative;
}
.arbo-link-line::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--accent);
}
.arbo-link-txt {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  text-align: center;
  white-space: nowrap;
}

/* Les deux options de la phase 2 — poids égal entre A et B */
.arbo-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin: 0 0 1.4rem;
}
.arbo-option {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.arbo-option-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-deep);
}
.arbo-option-tag .fa-solid { font-size: 0.9em; }
.arbo-option-title {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0;
  line-height: 1.3;
}
.arbo-option-desc {
  font-size: 0.88rem;
  color: var(--slate-700);
  margin: 0;
  line-height: 1.5;
}

/* CTA sous le schéma */
.arbo-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
  margin-top: 2.4rem;
}

/* ---------- SECTIONS détailles dépliantes (éviter la surcharge) ---------- */
.arbo-details {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  padding-top: 2.2rem;
}
.arbo-details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
  padding: 1rem 0.25rem;
}
.arbo-details summary::-webkit-details-marker { display: none; }
.arbo-details summary .fa-solid {
  color: var(--accent);
  transition: transform 0.25s ease;
}
.arbo-details[open] summary .fa-solid { transform: rotate(180deg); }
.arbo-details-body {
  padding: 0.5rem 0.25rem 1.5rem;
  max-width: 52rem;
  color: var(--slate-700);
  font-size: 0.98rem;
  line-height: 1.65;
}
.arbo-details-body ul { display: grid; gap: 0.45rem; margin: 0.6rem 0 0; padding: 0; list-style: none; }
.arbo-details-body li { display: flex; gap: 0.55rem; align-items: flex-start; }
.arbo-details-body li .fa-solid { color: var(--accent); font-size: 0.8em; margin-top: 0.3em; flex: none; }

/* ---------- VISUELS MOTION DESIGN (placeholders interchangeables) ---------- */
.motion-visual {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

/* Cadre visuel pour les étapes de la méthode */
.method-visual {
  margin: 0 0 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--paper-2);
}
.method-visual img { display: block; width: 100%; height: auto; }

/* ---------- Bande "identification + réalisation" (anti-hype v4) ---------- */
.anti-hype-band.v4 .anti-hype-text strong { color: var(--accent); }

/* ---------- Labels sous le schéma (IDENTIFIER ═ METTRE EN ŒUVRE) ---------- */
.arbo-labels {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: center;
  margin-top: 0.9rem;
  padding: 0 clamp(0.25rem, 1vw, 0.75rem);
}
.arbo-label {
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-800);
  text-align: center;
}
.arbo-label-sep {
  color: var(--accent);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
}

/* Les deux blocs du schéma deviennent cliquables */
.arbo-phase--link { text-decoration: none; color: inherit; transition: box-shadow 0.25s ease, transform 0.25s ease; }
.arbo-phase--link:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.arbo-phase-more {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-deep);
}
.arbo-phase-more .fa-solid { font-size: 0.8em; transition: transform 0.25s ease; }
.arbo-phase--link:hover .arbo-phase-more .fa-solid { transform: translateX(4px); }

/* ---------- BLOC 3 · Visuels motion design (cards) ---------- */
.visuals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, 2.5vw, 1.75rem);
}
.visual-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.visual-card-media {
  border-bottom: 1px solid var(--line-soft);
  background: var(--paper-2);
}
.visual-card-media img { display: block; width: 100%; height: auto; }
.visual-card-body { padding: 1.1rem 1.3rem 1.3rem; }
.visual-card-title {
  font-family: var(--display);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.3rem;
  letter-spacing: -0.01em;
}
.visual-card-desc {
  font-size: 0.92rem;
  color: var(--slate-700);
  margin: 0;
  line-height: 1.55;
}

/* ---------- Pages Phase 2 A / B ---------- */
.page-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--slate-500);
}
.page-back:hover { color: var(--accent-deep); }
.page-back .fa-solid { font-size: 0.8em; }

.v4-list {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1.2rem;
  padding: 0;
  list-style: none;
}
.v4-list li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.98rem;
  color: var(--slate-700);
  line-height: 1.55;
}
.v4-list li .fa-solid { color: var(--accent); font-size: 0.8em; margin-top: 0.3em; flex: none; }

.v4-price {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  margin-bottom: 1.2rem;
}
.v4-price-value { font-family: var(--display); font-weight: 700; font-size: 1.35rem; color: var(--ink); letter-spacing: -0.02em; }
.v4-price-hint { font-size: 0.88rem; color: var(--slate-500); }

.pont-note {
  text-align: center;
  font-size: 0.95rem;
  color: var(--slate-500);
  margin: 1.1rem auto 0;
  max-width: 40rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .arbo-canvas {
    grid-template-columns: 1fr;
  }
  .arbo-labels {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .arbo-label-sep { display: none; }
  .visuals-grid { grid-template-columns: 1fr; }
  .arbo-link {
    min-width: 0;
    flex-direction: row;
    padding: 0.25rem 0;
  }
  .arbo-link-line {
    width: auto;
    height: 2px;
    flex: 1;
    background: linear-gradient(90deg, var(--accent-soft), var(--accent));
  }
  .arbo-link-line::after {
    bottom: auto;
    top: 50%;
    left: auto;
    right: -1px;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--accent);
  }
  .arbo-options { grid-template-columns: 1fr; }
}