/* ============================================================
   SAFE — Sections de la page d'accueil
   Fond dark gradient + cartes glassmorphic + sections claires
   ============================================================ */

/* Le fond glassmorphic dark n'est appliqué que sur la page d'accueil
   (les autres pages — search, IA publique, dashboards — ont leurs
   propres fonds gérés ailleurs). */
body[data-safe-init="accueil"] main {
  position: relative;
  width: 100%;
  background: var(--main-bg);
  background-attachment: fixed;
  overflow: hidden;
  padding: var(--space-3xl) 0 var(--space-2xl);
  isolation: isolate;
}

body[data-safe-init="accueil"] main::before,
body[data-safe-init="accueil"] main::after {
  content: "";
  position: absolute;
  pointer-events: none;
  filter: blur(120px);
  opacity: 0.6;
  z-index: -1;
}

body[data-safe-init="accueil"] main::before {
  width: 520px;
  height: 520px;
  top: -100px;
  left: -80px;
  background: rgba(34, 211, 238, 0.28);
}

body[data-safe-init="accueil"] main::after {
  width: 620px;
  height: 620px;
  right: -120px;
  bottom: -140px;
  background: rgba(0, 106, 255, 0.22);
}

main .container {
  width: min(var(--container-lg), calc(100% - 2rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Sections claires sur fond dark : textes par défaut clairs (accueil seulement) */
body[data-safe-init="accueil"] main h2,
body[data-safe-init="accueil"] main h3,
body[data-safe-init="accueil"] main h4 {
  color: #ffffff;
}

/* Exceptions : dans les cartes claires, le texte doit rester sombre */
body[data-safe-init="accueil"] .faq-item h3,
body[data-safe-init="accueil"] .faq-item h4,
body[data-safe-init="accueil"] .testimonial-card h3,
body[data-safe-init="accueil"] .testimonial-card h4 {
  color: var(--text-strong);
}

/* ============================================================
   Espacements verticaux harmonisés
   ============================================================ */
.cards-section,
.cartes-section,
.stats-section,
.how-it-works,
.advantages-section,
.testimonials-section,
.security-section,
.faq-section,
.final-cta,
.services-access-section {
  padding: var(--space-2xl) 0;
}

.section-titre {
  font-size: clamp(1.65rem, 2.6vw, 2.5rem);
  color: #ffffff;
  text-align: center;
  margin: 0 auto var(--space-md);
  font-family: var(--font-display);
  letter-spacing: -0.015em;
  line-height: 1.2;
  font-weight: var(--weight-black);
  max-width: 760px;
}

.section-subtitle {
  text-align: center;
  color: rgba(239, 246, 255, 0.75);
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
}

/* ============================================================
   Section "Urgence / Interactions" — 2 cartes glass
   ============================================================ */
.info-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: var(--space-lg);
  max-width: 1080px;
  margin: 0 auto var(--space-2xl);
}

.info-card {
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  min-height: 240px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out),
              border-color var(--duration-slow) var(--ease-out);
}

.info-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), transparent 70%);
  pointer-events: none;
}

.info-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 80px rgba(0, 12, 45, 0.32);
  border-color: rgba(255, 255, 255, 0.32);
}

.info-card .card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
  position: relative;
}

.info-card h2 {
  font-size: var(--text-2xl);
  color: #ffffff;
  letter-spacing: -0.01em;
}

.info-card p {
  color: rgba(239, 246, 255, 0.86);
  line-height: var(--leading-relaxed);
  font-size: var(--text-md);
}

.info-card .link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--gradient-accent);
  color: #ffffff;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  box-shadow: 0 12px 28px rgba(0, 108, 255, 0.32);
  transition: var(--transition-base);
}

.info-card .link::after {
  content: "→";
  transition: transform var(--duration-fast) var(--ease-out);
}

.info-card .link:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 108, 255, 0.45);
  color: #ffffff;
}

.info-card .link:hover::after {
  transform: translateX(3px);
}

/* ============================================================
   Section "3 piliers" : DMP / Connexion / IA
   ============================================================ */
.cartes-section {
  padding-top: 0;
}

.dmp-connexion-ia {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: var(--space-lg);
  align-items: stretch;
}

.dmp-connexion-ia .display {
  position: relative;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: var(--glass-shadow);
  transition: transform var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out),
              border-color var(--duration-slow) var(--ease-out);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.dmp-connexion-ia .display::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 50%);
  pointer-events: none;
}

.dmp-connexion-ia .display:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
  border-color: rgba(34, 211, 238, 0.35);
}

.dmp-connexion-ia h3 {
  font-size: var(--text-xl);
  color: #ffffff;
  margin: 0;
}

.dmp-connexion-ia p {
  color: rgba(239, 246, 255, 0.85);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

.feature-icones {
  width: 88px;
  height: 88px;
  margin: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #ffffff;
  font-size: 2rem;
  box-shadow: 0 14px 36px rgba(0, 142, 255, 0.32),
              inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

/* ============================================================
   Section "Statistiques"
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(200px, 1fr));
  gap: var(--space-lg);
  align-items: stretch;
}

.stat-card {
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--glass-shadow);
  text-align: center;
  backdrop-filter: blur(14px);
  overflow: hidden;
  transition: transform var(--duration-slow) var(--ease-out);
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0.7;
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: var(--weight-black);
  background: linear-gradient(135deg, var(--accent-300) 0%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.stat-label {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: #ffffff;
  margin-bottom: var(--space-2xs);
}

.stat-card p {
  font-size: var(--text-sm);
  color: rgba(239, 246, 255, 0.78);
  line-height: var(--leading-snug);
}

/* ============================================================
   Section "Comment ça marche"
   ============================================================ */
.how-it-works .steps-container {
  display: grid;
  grid-template-columns: repeat(4, minmax(200px, 1fr));
  gap: var(--space-md);
  align-items: stretch;
  justify-items: stretch;
}

.step {
  position: relative;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  min-height: 280px;
  box-shadow: var(--glass-shadow);
  text-align: center;
  backdrop-filter: blur(16px);
  transition: transform var(--duration-slow) var(--ease-out),
              border-color var(--duration-slow) var(--ease-out);
}

.step:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.3);
}

.step-number {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  box-shadow: 0 10px 28px rgba(0, 133, 255, 0.32);
}

.step h3 {
  color: #ffffff;
  font-size: var(--text-lg);
  margin: 0;
}

.step p {
  color: rgba(239, 246, 255, 0.85);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

.step-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--accent-300);
  font-size: var(--text-xl);
  margin-top: auto;
}

/* Flèche entre étapes — visible en grille >= 4 colonnes */
.step-arrow {
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.25);
  font-size: var(--text-2xl);
  /* on retire l'occupation d'une colonne pour ne pas casser la grille à 4 */
  display: none;
}

/* ============================================================
   Section "Avantages"
   ============================================================ */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.advantage-card {
  position: relative;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(16px);
  transition: transform var(--duration-slow) var(--ease-out),
              box-shadow var(--duration-slow) var(--ease-out);
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}

.advantage-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-md);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(0, 89, 255, 0.25));
  border: 1px solid rgba(34, 211, 238, 0.32);
  color: var(--accent-300);
  font-size: var(--text-2xl);
}

.advantage-card h3 {
  margin-bottom: var(--space-sm);
  color: #ffffff;
  font-size: var(--text-lg);
}

.advantage-card p {
  color: rgba(239, 246, 255, 0.82);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

/* ============================================================
   Section "Témoignages"
   ============================================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: 0 20px 50px rgba(0, 12, 45, 0.18);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform var(--duration-slow) var(--ease-out);
}

.testimonial-card::before {
  content: "\201C";
  position: absolute;
  top: -10px;
  right: 28px;
  font-family: Georgia, serif;
  font-size: 5rem;
  line-height: 1;
  color: var(--brand-100);
  z-index: 0;
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

.testimonial-card > * {
  position: relative;
  z-index: 1;
}

.testimonial-header {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.testimonial-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-md);
  flex-shrink: 0;
}

.testimonial-info h4 {
  margin: 0 0 0.15rem;
  font-size: var(--text-md);
  color: var(--text-strong);
}

.testimonial-info p {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin: 0;
}

.testimonial-text {
  font-size: var(--text-sm);
  color: var(--text-default);
  line-height: var(--leading-relaxed);
  font-style: italic;
}

.testimonial-rating {
  display: flex;
  gap: 0.2rem;
  color: var(--warning-500);
  font-size: var(--text-sm);
}

/* ============================================================
   Section "Sécurité"
   ============================================================ */
.security-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

.security-info {
  background-color: var(--surface-default);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.security-info h3 {
  margin-bottom: var(--space-md);
  color: var(--text-strong);
  font-size: var(--text-xl);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.security-info h3::before {
  content: "🔒";
  font-size: 1.2em;
}

.security-list {
  display: grid;
  gap: var(--space-sm);
}

.security-list li {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  color: var(--text-default);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

.security-list li i {
  color: var(--success-500);
  margin-top: 0.25em;
  font-size: var(--text-md);
  flex-shrink: 0;
}

.security-visual {
  display: grid;
  place-items: center;
}

.security-badge {
  width: 100%;
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  background: var(--gradient-brand);
  color: #ffffff;
  text-align: center;
  box-shadow: 0 16px 48px rgba(0, 86, 214, 0.32);
  position: relative;
  overflow: hidden;
}

.security-badge::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(34, 211, 238, 0.35), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.18), transparent 50%);
  pointer-events: none;
}

.security-badge i {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: block;
  position: relative;
}

.security-badge p {
  color: #ffffff;
  line-height: 1.5;
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  position: relative;
}

.security-badge p strong {
  display: block;
  font-size: var(--text-xl);
  margin-top: 0.4rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

/* ============================================================
   Section "FAQ"
   ============================================================ */
/* ============================================================
   En-tête FAQ
   ============================================================ */
.faq-head {
  text-align: center;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.faq-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.3);
  color: var(--accent-300);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}
.faq-head .eyebrow i { font-size: var(--text-sm); }
.faq-head .section-titre {
  margin-bottom: var(--space-sm);
}
.faq-head .section-subtitle {
  margin-bottom: 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: var(--space-md);
  max-width: 1080px;
  margin: 0 auto;
  align-items: start;
}

.faq-item {
  background-color: var(--surface-default);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1rem, 1.8vw, 1.25rem) clamp(1.1rem, 2vw, 1.5rem);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--brand-200);
  transform: translateY(-2px);
}

.faq-item[open] {
  border-color: var(--brand-300);
  box-shadow: var(--shadow-md);
}
.faq-item[open]::before { opacity: 1; }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: 0;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary h3 {
  font-size: var(--text-md);
  color: var(--text-strong);
  font-family: var(--font-display);
  margin: 0;
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.faq-item summary i {
  color: var(--brand-500);
  font-size: var(--text-sm);
  transition: transform var(--duration-base) var(--ease-out);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--brand-50);
  border-radius: 50%;
}

.faq-item[open] summary i {
  transform: rotate(180deg);
  background: var(--gradient-brand);
  color: #fff;
}

.faq-item p {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-default);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
}

/* ============================================================
   Section CTA finale
   ============================================================ */
.final-cta {
  background:
    radial-gradient(circle at top, rgba(34, 211, 238, 0.18), transparent 40%),
    linear-gradient(180deg, rgba(2, 51, 106, 0.95), rgba(5, 24, 65, 0.98));
  border-top: 1px solid rgba(34, 211, 238, 0.18);
  position: relative;
}

.cta-content {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-2xl);
  padding: clamp(2.5rem, 5vw, 3.5rem) var(--space-xl);
  box-shadow: var(--glass-shadow);
  text-align: center;
  backdrop-filter: blur(18px);
  max-width: 880px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.75rem, 2.6vw, 2.5rem);
  margin-bottom: var(--space-sm);
  color: #ffffff;
  text-shadow: 0 8px 24px rgba(0, 125, 255, 0.25);
  letter-spacing: -0.01em;
}

.cta-content p {
  font-size: var(--text-md);
  color: rgba(239, 246, 255, 0.88);
  margin-bottom: var(--space-xl);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.cta-buttons .btn {
  padding: 0.95rem 1.85rem;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 14px 32px rgba(6, 182, 212, 0.32);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(6, 182, 212, 0.45);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #eef5ff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.45);
  transform: translateY(-3px);
  color: #ffffff;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .dmp-connexion-ia,
  .stats-grid,
  .advantages-grid,
  .testimonials-grid,
  .security-content,
  .faq-grid,
  .how-it-works .steps-container {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }
}

@media (max-width: 800px) {
  main {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .info-cards,
  .how-it-works .steps-container,
  .faq-grid,
  .stats-grid,
  .advantages-grid,
  .testimonials-grid,
  .security-content,
  .dmp-connexion-ia {
    grid-template-columns: 1fr;
  }

  .info-card,
  .display,
  .step,
  .advantage-card,
  .testimonial-card,
  .security-info,
  .security-visual,
  .cta-content {
    padding: var(--space-lg);
  }
}

@media (max-width: 520px) {
  .section-titre { font-size: var(--text-2xl); }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================
   Reveal-on-scroll (utilisé par scripts_js/animations_accueil.js)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  will-change: opacity, transform;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}