/**
 * 🌿 SUSTAINABILITY ANIMATIONS  - Néré Mining
 * Animations riches pour la section Développement Durable
 * Défilement · Survol · Clic · Arrière-plans dynamiques
 */

/* ═══════════════════════════════════════════════════════════
   1. VARIABLES SUSTAINABILITY
═══════════════════════════════════════════════════════════ */
:root {
  --sa-green: #4b1716;
  --sa-gold: #ffc247;
  --sa-gold2: #e5a72f;
  --sa-sand: #fff4dc;
  --sa-muted: #70645c;
  --sa-earth: #a0522d;
  --sa-sky: #1a3a5c;
  --sa-leaf: #2d5a27;
  --sa-glow: rgba(255, 194, 71, 0.35);
  --sa-glow2: rgba(75, 23, 22, 0.2);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ═══════════════════════════════════════════════════════════
   2. ANIMATED BACKGROUND SECTIONS (style TikTok / immersif)
═══════════════════════════════════════════════════════════ */

/* Hero dynamique avec orbes flottantes */
.sa-hero-bg {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #4b1716 0%, #2d0d0e 40%, #1a0a0b 100%);
}

.sa-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(255, 194, 71, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 30%, rgba(75, 23, 22, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 60% 80%, rgba(45, 90, 39, 0.15) 0%, transparent 40%);
  animation: sa-bg-breathe 8s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes sa-bg-breathe {
  0% {
    opacity: 0.7;
    transform: scale(1);
  }

  100% {
    opacity: 1;
    transform: scale(1.05);
  }
}

/* Sections avec fond animé dynamique */
.sa-animated-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f8f3ee 0%, #ece5dc 100%);
  transition: background 1.2s ease;
}

.sa-animated-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 194, 71, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(75, 23, 22, 0.05) 0%, transparent 30%);
  pointer-events: none;
  transition: background 0.3s ease;
  z-index: 0;
}

.sa-animated-section>* {
  position: relative;
  z-index: 1;
}

/* Fond sable animé */
.sa-sand-animated {
  position: relative;
  background: linear-gradient(180deg, #fff8e8 0%, #fff4dc 40%, #fef0d2 100%);
  overflow: hidden;
}

.sa-sand-animated::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 80% at 50% 0%, rgba(255, 194, 71, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(75, 23, 22, 0.03) 0%, transparent 40%);
  animation: sa-sand-shift 12s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes sa-sand-shift {
  0% {
    transform: translateX(-2%) translateY(-1%);
    opacity: 0.8;
  }

  100% {
    transform: translateX(2%) translateY(1%);
    opacity: 1;
  }
}

/* Fond dark premium */
.sa-dark-section {
  position: relative;
  background: linear-gradient(135deg, #4b1716 0%, #281d18 60%, #1a1210 100%);
  overflow: hidden;
}

.sa-dark-section::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 71, 0.08) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  animation: sa-orb-float 10s ease-in-out infinite alternate;
  pointer-events: none;
}

.sa-dark-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 71, 0.05) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: sa-orb-float 13s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes sa-orb-float {
  0% {
    transform: translate(0, 0) scale(1);
  }

  100% {
    transform: translate(40px, -30px) scale(1.1);
  }
}

/* ═══════════════════════════════════════════════════════════
   3. SCROLL REVEAL ANIMATIONS  - Variantes riches
═══════════════════════════════════════════════════════════ */

/* Fade up (standard) */
.sa-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.sa-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fade depuis la gauche */
.sa-reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.sa-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Fade depuis la droite */
.sa-reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.sa-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Zoom in */
.sa-reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-spring);
}

.sa-reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Flip card reveal */
.sa-reveal-flip {
  opacity: 0;
  transform: rotateX(-20deg) translateY(30px);
  transform-origin: top center;
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

.sa-reveal-flip.visible {
  opacity: 1;
  transform: rotateX(0) translateY(0);
}

/* Délais en cascade */
.sa-delay-1 {
  transition-delay: 0.1s;
}

.sa-delay-2 {
  transition-delay: 0.2s;
}

.sa-delay-3 {
  transition-delay: 0.3s;
}

.sa-delay-4 {
  transition-delay: 0.4s;
}

.sa-delay-5 {
  transition-delay: 0.5s;
}

.sa-delay-6 {
  transition-delay: 0.6s;
}

.sa-delay-7 {
  transition-delay: 0.7s;
}

/* Respect des préférences de motion */
@media (prefers-reduced-motion: reduce) and (min-width: 99999px) {

  .sa-reveal,
  .sa-reveal-left,
  .sa-reveal-right,
  .sa-reveal-scale,
  .sa-reveal-flip {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════
   4. CARDS  - Effets hover premium
═══════════════════════════════════════════════════════════ */

/* Carte pilier avec glow hover */
.sa-pillar-card {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f9f6f0 100%);
  border: 1px solid rgba(75, 23, 22, 0.1);
  border-radius: 16px;
  padding: 32px;
  overflow: hidden;
  transition:
    transform 0.4s var(--ease-spring),
    box-shadow 0.4s var(--ease-smooth),
    border-color 0.3s;
  cursor: pointer;
}

.sa-pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sa-gold), var(--sa-gold2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-smooth);
}

.sa-pillar-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(255, 194, 71, 0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.sa-pillar-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow:
    0 20px 60px rgba(75, 23, 22, 0.12),
    0 4px 16px rgba(255, 194, 71, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 194, 71, 0.35);
}

.sa-pillar-card:hover::before {
  transform: scaleX(1);
}

.sa-pillar-card:hover::after {
  opacity: 1;
}

/* Icon flottant dans les pilier cards */
.sa-pillar-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 194, 71, 0.15), rgba(75, 23, 22, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
  transition: transform 0.4s var(--ease-spring), background 0.3s;
  border: 1px solid rgba(255, 194, 71, 0.2);
}

.sa-pillar-card:hover .sa-pillar-icon {
  transform: rotate(5deg) scale(1.15);
  background: linear-gradient(135deg, rgba(255, 194, 71, 0.25), rgba(75, 23, 22, 0.12));
}

/* Effet ripple au clic */
.sa-ripple {
  position: relative;
  overflow: hidden;
}

.sa-ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 194, 71, 0.3);
  transform: scale(0);
  animation: sa-ripple-anim 0.7s linear;
  pointer-events: none;
}

@keyframes sa-ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ═══════════════════════════════════════════════════════════
   5. MÉTRIQUES / STATS  - Animations visuelles
═══════════════════════════════════════════════════════════ */

/* Carte métrique animée */
.sa-metric-card {
  position: relative;
  text-align: center;
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(234, 220, 197, 0.6);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  overflow: hidden;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s var(--ease-smooth);
}

.sa-metric-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--sa-gold), var(--sa-gold2));
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
  transition: transform 1.5s var(--ease-smooth) 0.3s;
}

.sa-metric-card.visible::before {
  transform: scaleX(1);
}

.sa-metric-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 48px rgba(75, 23, 22, 0.1), 0 4px 12px rgba(255, 194, 71, 0.08);
}

/* Valeur principale avec glow au reveal */
.sa-metric-value {
  font-size: clamp(26px, 4vw, 48px);
  font-weight: 700;
  color: var(--sa-green);
  line-height: 1;
  white-space: nowrap;
  word-break: normal;
  overflow-wrap: normal;
  margin-bottom: 10px;
  transition: color 0.3s;
  position: relative;
}

.sa-metric-value::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 8px;
  background: rgba(255, 194, 71, 0.15);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.4s, transform 0.4s var(--ease-spring);
}

.sa-metric-card:hover .sa-metric-value::after {
  opacity: 1;
  transform: scale(1);
}

/* Barre de progression animée */
.sa-progress-bar {
  height: 6px;
  background: rgba(234, 220, 197, 0.5);
  border-radius: 99px;
  margin-top: 12px;
  overflow: hidden;
}

.sa-progress-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--sa-gold), var(--sa-gold2));
  width: 0%;
  transition: width 1.8s var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.sa-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: sa-shimmer 2s ease-in-out infinite;
}

@keyframes sa-shimmer {
  0% {
    transform: translateX(-100px);
  }

  100% {
    transform: translateX(200px);
  }
}

/* Chiffre qui pulse à l'entrée */
@keyframes sa-count-pulse {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.12);
    color: var(--sa-gold2);
  }

  100% {
    transform: scale(1);
  }
}

.sa-count-done {
  animation: sa-count-pulse 0.5s var(--ease-spring);
}

/* ═══════════════════════════════════════════════════════════
   6. RÉALISATIONS / ACHIEVEMENTS  - Cards interactives
═══════════════════════════════════════════════════════════ */

.sa-achievement-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--sa-gold);
  border-radius: 16px;
  padding: 32px;
  overflow: hidden;
  transition: all 0.4s var(--ease-smooth);
  cursor: pointer;
}

/* Gradient d'accent qui monte au hover */
.sa-achievement-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(0deg, rgba(255, 194, 71, 0.06) 0%, transparent 100%);
  transition: height 0.5s var(--ease-smooth);
  pointer-events: none;
}

.sa-achievement-card:hover::before {
  height: 100%;
}

.sa-achievement-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 64px rgba(75, 23, 22, 0.12), 0 0 0 1px rgba(255, 194, 71, 0.3);
  border-color: rgba(255, 194, 71, 0.5);
}

/* Montant en or qui scintille */
.sa-achievement-amount {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--sa-gold2);
  margin-bottom: 14px;
  position: relative;
  display: inline-block;
}

.sa-achievement-amount::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--sa-gold);
  transition: width 0.5s var(--ease-smooth);
}

.sa-achievement-card:hover .sa-achievement-amount::before {
  width: 100%;
}

/* Icone de catégorie */
.sa-category-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 194, 71, 0.12), rgba(75, 23, 22, 0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 194, 71, 0.2);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.3s;
}

.sa-achievement-card:hover .sa-category-icon {
  transform: scale(1.15) rotate(-5deg);
  box-shadow: 0 8px 20px rgba(255, 194, 71, 0.2);
}

/* ═══════════════════════════════════════════════════════════
   7. TOTAL INVESTMENT  - Banner premium
═══════════════════════════════════════════════════════════ */

.sa-total-banner {
  position: relative;
  padding: 48px 40px;
  background: linear-gradient(135deg, #4b1716 0%, #281d18 100%);
  border-radius: 20px;
  text-align: center;
  overflow: hidden;
  margin-top: 48px;
}

.sa-total-banner::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 71, 0.12) 0%, transparent 70%);
  animation: sa-orb-float 7s ease-in-out infinite alternate;
}

.sa-total-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg,
      rgba(255, 194, 71, 0.02) 0px,
      rgba(255, 194, 71, 0.02) 1px,
      transparent 1px,
      transparent 30px);
}

.sa-total-banner>* {
  position: relative;
  z-index: 1;
}

.sa-total-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.sa-total-value {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  color: var(--sa-gold);
  line-height: 1;
  text-shadow: 0 0 40px rgba(255, 194, 71, 0.4);
  animation: sa-value-glow 3s ease-in-out infinite alternate;
}

@keyframes sa-value-glow {
  0% {
    text-shadow: 0 0 20px rgba(255, 194, 71, 0.3);
  }

  100% {
    text-shadow: 0 0 60px rgba(255, 194, 71, 0.6), 0 0 100px rgba(255, 194, 71, 0.3);
  }
}

/* ═══════════════════════════════════════════════════════════
   8. TIMELINE  - Frise chronologique animée
═══════════════════════════════════════════════════════════ */

.sa-timeline {
  position: relative;
  padding: 0 0 0 40px;
}

.sa-timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--sa-gold), rgba(255, 194, 71, 0.1));
}

.sa-timeline-item {
  position: relative;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

.sa-timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.sa-timeline-dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--sa-gold);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px rgba(255, 194, 71, 0.3);
  transition: transform 0.3s var(--ease-spring), box-shadow 0.3s;
}

.sa-timeline-item:hover .sa-timeline-dot {
  transform: scale(1.4);
  box-shadow: 0 0 0 6px rgba(255, 194, 71, 0.2);
}

/* ═══════════════════════════════════════════════════════════
   9. LISTE ANIMÉE
═══════════════════════════════════════════════════════════ */

.sa-animated-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sa-animated-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(234, 220, 197, 0.4);
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.5s var(--ease-smooth), transform 0.5s var(--ease-smooth), background 0.3s;
  border-radius: 8px;
  padding-left: 8px;
}

.sa-animated-list li:last-child {
  border-bottom: none;
}

.sa-animated-list li.visible {
  opacity: 1;
  transform: translateX(0);
}

.sa-animated-list li:hover {
  background: rgba(255, 194, 71, 0.04);
}

.sa-list-bullet {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sa-gold), var(--sa-gold2));
  color: var(--sa-green);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease-spring);
  box-shadow: 0 3px 8px rgba(255, 194, 71, 0.25);
  margin-top: 2px;
}

.sa-animated-list li:hover .sa-list-bullet {
  transform: scale(1.2) rotate(15deg);
}

/* ═══════════════════════════════════════════════════════════
   10. CARDS PROGRAMME  - Flip / tilt 3D
═══════════════════════════════════════════════════════════ */

.sa-program-card {
  position: relative;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(234, 220, 197, 0.7);
  border-radius: 16px;
  padding: 30px;
  overflow: hidden;
  transition:
    transform 0.4s var(--ease-smooth),
    box-shadow 0.4s var(--ease-smooth);
  will-change: transform;
  transform-style: preserve-3d;
}

.sa-program-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--sa-gold), var(--sa-gold2), var(--sa-gold));
  background-size: 200% 100%;
  animation: sa-gradient-shift 3s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

.sa-program-card:hover::after {
  opacity: 1;
}

@keyframes sa-gradient-shift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.sa-program-card:hover {
  transform: perspective(600px) rotateX(-3deg) rotateY(2deg) translateY(-6px);
  box-shadow: 0 20px 50px rgba(75, 23, 22, 0.1), 0 8px 20px rgba(255, 194, 71, 0.08);
}

/* ═══════════════════════════════════════════════════════════
   11. SECTION HERO METRICS  - Bande de stats dynamique
═══════════════════════════════════════════════════════════ */

.sa-hero-metric {
  position: relative;
  padding: 28px 20px;
  text-align: center;
  background: rgba(75, 23, 22, 0.92);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  transition: background 0.3s;
}

.sa-hero-metric::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(255, 194, 71, 0.12) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s;
}

.sa-hero-metric:hover {
  background: rgba(75, 23, 22, 1);
}

.sa-hero-metric:hover::before {
  opacity: 1;
}

.sa-hero-metric-val {
  display: block;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 300;
  color: var(--sa-gold);
  margin-bottom: 8px;
  line-height: 1;
  transition: transform 0.3s var(--ease-spring);
}

.sa-hero-metric:hover .sa-hero-metric-val {
  transform: scale(1.08);
}

/* ═══════════════════════════════════════════════════════════
   12. FLOATING PARTICLES (orbes ambiantes)
═══════════════════════════════════════════════════════════ */

.sa-particles-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.sa-particle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 71, 0.3) 0%, transparent 70%);
  animation: sa-particle-float linear infinite;
  will-change: transform, opacity;
}

@keyframes sa-particle-float {
  0% {
    transform: translateY(100%) translateX(0) scale(0);
    opacity: 0;
  }

  10% {
    opacity: 0.6;
  }

  90% {
    opacity: 0.3;
  }

  100% {
    transform: translateY(-20px) translateX(var(--drift, 30px)) scale(1.5);
    opacity: 0;
  }
}

/* ═══════════════════════════════════════════════════════════
   13. BACKGROUND PARALLAX SECTIONS
═══════════════════════════════════════════════════════════ */

.sa-parallax-section {
  position: relative;
  overflow: hidden;
}

.sa-parallax-bg {
  position: absolute;
  inset: -20%;
  background-size: cover;
  background-position: center;
  filter: blur(0px) saturate(0.8);
  will-change: transform;
  transition: filter 0.5s ease;
}

.sa-parallax-section:hover .sa-parallax-bg {
  filter: blur(0px) saturate(1);
}

.sa-parallax-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(75, 23, 22, 0.92) 0%, rgba(40, 29, 24, 0.85) 100%);
}

/* ═══════════════════════════════════════════════════════════
   14. STEP / PROCESSUS ANIMÉ
═══════════════════════════════════════════════════════════ */

.sa-step-card {
  position: relative;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(234, 220, 197, 0.6);
  border-radius: 16px;
  padding: 28px;
  overflow: hidden;
  transition: all 0.4s var(--ease-smooth);
}

.sa-step-card::before {
  content: attr(data-step);
  position: absolute;
  right: -10px;
  bottom: -20px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(75, 23, 22, 0.04);
  line-height: 1;
  transition: color 0.4s, transform 0.4s var(--ease-smooth);
  user-select: none;
}

.sa-step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(75, 23, 22, 0.09);
  border-color: rgba(255, 194, 71, 0.3);
}

.sa-step-card:hover::before {
  color: rgba(255, 194, 71, 0.08);
  transform: scale(1.1) rotate(-5deg);
}

/* ═══════════════════════════════════════════════════════════
   15. BOUTONS ANIMÉS
═══════════════════════════════════════════════════════════ */

.sa-btn-animated {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  border: 2px solid var(--sa-gold);
  color: var(--sa-green);
  background: transparent;
  text-decoration: none;
}

.sa-btn-animated::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--sa-gold);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease-smooth);
  z-index: 0;
}

.sa-btn-animated>* {
  position: relative;
  z-index: 1;
}

.sa-btn-animated:hover {
  color: var(--sa-green);
  box-shadow: 0 8px 24px rgba(255, 194, 71, 0.3);
  transform: translateY(-2px);
}

.sa-btn-animated:hover::before {
  transform: translateX(0);
}

.sa-btn-animated .sa-btn-arrow {
  transition: transform 0.3s var(--ease-spring);
}

.sa-btn-animated:hover .sa-btn-arrow {
  transform: translateX(6px);
}

/* ═══════════════════════════════════════════════════════════
   16. IMAGE CARDS  - Hover reveal caption
═══════════════════════════════════════════════════════════ */

.sa-image-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
}

.sa-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-smooth), filter 0.4s;
}

.sa-image-card:hover img {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.sa-image-card-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(0deg, rgba(30, 10, 10, 0.85) 0%, transparent 100%);
  transform: translateY(60%);
  transition: transform 0.4s var(--ease-smooth);
  color: #fff;
}

.sa-image-card:hover .sa-image-card-caption {
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════
   17. SECTION HEADING  - Decoration animée
═══════════════════════════════════════════════════════════ */

.sa-section-heading {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px;
  position: relative;
}

.sa-section-heading h2 {
  color: var(--sa-green);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.sa-section-heading h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--sa-gold), var(--sa-gold2));
  border-radius: 2px;
  transition: transform 0.6s var(--ease-smooth) 0.2s;
}

.sa-section-heading.visible h2::after {
  transform: translateX(-50%) scaleX(1);
}

/* Ligne de séparation animée */
.sa-divider {
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sa-gold), var(--sa-gold2));
  border-radius: 2px;
  margin: 24px auto;
  transition: width 0.8s var(--ease-smooth);
}

.sa-section-heading.visible .sa-divider {
  width: 80px;
}

/* ═══════════════════════════════════════════════════════════
   18. HOVER GLOW UTILITY
═══════════════════════════════════════════════════════════ */

.sa-glow-hover {
  transition: box-shadow 0.3s ease;
}

.sa-glow-hover:hover {
  box-shadow:
    0 0 0 1px rgba(255, 194, 71, 0.3),
    0 8px 32px rgba(75, 23, 22, 0.08),
    0 0 40px rgba(255, 194, 71, 0.08);
}

/* ═══════════════════════════════════════════════════════════
   19. CARTE PARTENAIRE  - Tilt interactif
═══════════════════════════════════════════════════════════ */

.sa-partner-card {
  position: relative;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(234, 220, 197, 0.5);
  border-radius: 14px;
  padding: 28px;
  transition: all 0.3s var(--ease-smooth);
  overflow: hidden;
}

.sa-partner-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent, rgba(255, 194, 71, 0.04));
  opacity: 0;
  transition: opacity 0.4s;
}

.sa-partner-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(75, 23, 22, 0.08);
  border-color: rgba(255, 194, 71, 0.25);
}

.sa-partner-card:hover::before {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   20. SCROLL INDICATOR  - Chevrons en bas de section
═══════════════════════════════════════════════════════════ */

.sa-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  animation: sa-scroll-bounce 2s ease-in-out infinite;
}

.sa-scroll-indicator span {
  width: 12px;
  height: 12px;
  border-right: 2px solid rgba(255, 194, 71, 0.6);
  border-bottom: 2px solid rgba(255, 194, 71, 0.6);
  transform: rotate(45deg);
}

.sa-scroll-indicator span:nth-child(1) {
  opacity: 0.4;
}

.sa-scroll-indicator span:nth-child(2) {
  opacity: 0.7;
}

.sa-scroll-indicator span:nth-child(3) {
  opacity: 1;
}

@keyframes sa-scroll-bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(8px);
  }
}

/* ═══════════════════════════════════════════════════════════
   21. COUNTER PULSE (pour les stat-bands existants)
═══════════════════════════════════════════════════════════ */

.sa-stat-item-enhanced {
  position: relative;
  overflow: hidden;
  cursor: default;
}

.sa-stat-item-enhanced::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 194, 71, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.sa-stat-item-enhanced:hover::after {
  opacity: 1;
}

/* ═══════════════════════════════════════════════════════════
   22. SECTION TRANSITION  - Vague entre sections
═══════════════════════════════════════════════════════════ */

.sa-wave-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(180deg, rgba(75, 23, 22, 0.03) 0%, transparent 100%);
  pointer-events: none;
}

.sa-wave-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(0deg, rgba(75, 23, 22, 0.03) 0%, transparent 100%);
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   23. HOVER COLOR SHIFT  - Pour les sections sable
═══════════════════════════════════════════════════════════ */

.sa-color-shift {
  transition: background 1s ease;
}

/* ═══════════════════════════════════════════════════════════
   24. TYPEWRITER CURSOR
═══════════════════════════════════════════════════════════ */

.sa-typewriter::after {
  content: '|';
  animation: sa-cursor-blink 0.8s ease-in-out infinite;
  color: var(--sa-gold);
}

@keyframes sa-cursor-blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* ═══════════════════════════════════════════════════════════
   25. RESPONSIVE
═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .sa-pillar-card:hover {
    transform: translateY(-4px);
  }

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

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

@media (prefers-reduced-motion: reduce) and (min-width: 99999px) {

  .sa-hero-bg::before,
  .sa-sand-animated::after,
  .sa-dark-section::before,
  .sa-dark-section::after,
  .sa-total-value,
  .sa-progress-fill::after,
  .sa-scroll-indicator,
  .sa-particle,
  .sa-orb-float {
    animation: none;
  }

  .sa-pillar-card,
  .sa-achievement-card,
  .sa-program-card,
  .sa-metric-card,
  .sa-step-card,
  .sa-partner-card {
    transition: none;
  }
}