/* ══════════════════════════════════════════════════════
   CLÉMENT PRO - animations.css
   Animations fluides, performantes (transform/opacity only)
   Compatible prefers-reduced-motion
   ══════════════════════════════════════════════════════ */

/* ── 1. PAGE FADE-IN ──────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  body {
    animation: pageIn 0.35s ease both;
  }
  @keyframes pageIn {
    from { opacity: 0; }
    to   { opacity: 1; }
  }
}

/* ── 2. SCROLL REVEAL - variantes ─────────────────── */

/* Existant : .fade-up - inchangé */

/* Nouveau : .fade-left / .fade-right */
@media (prefers-reduced-motion: no-preference) {
  .fade-left {
    opacity: 0;
    transform: translateX(-36px);
    transition: opacity 0.65s ease, transform 0.65s ease;
  }
  .fade-left.visible { opacity: 1; transform: translateX(0); }

  .fade-right {
    opacity: 0;
    transform: translateX(36px);
    transition: opacity 0.65s ease, transform 0.65s ease;
  }
  .fade-right.visible { opacity: 1; transform: translateX(0); }

  /* Nouveau : .scale-in - cartes et témoignages */
  .scale-in {
    opacity: 0;
    transform: scale(0.93);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  .scale-in.visible { opacity: 1; transform: scale(1); }
}

/* Fallback sans animation (reduced-motion) : tout visible */
@media (prefers-reduced-motion: reduce) {
  .fade-left, .fade-right, .scale-in {
    opacity: 1; transform: none;
  }
}

/* ── 3. STAGGER - délais nth-child pour grilles ───── */
@media (prefers-reduced-motion: no-preference) {

  /* Grilles génériques */
  .stagger > *:nth-child(1)  { transition-delay: 0.00s; }
  .stagger > *:nth-child(2)  { transition-delay: 0.08s; }
  .stagger > *:nth-child(3)  { transition-delay: 0.16s; }
  .stagger > *:nth-child(4)  { transition-delay: 0.24s; }
  .stagger > *:nth-child(5)  { transition-delay: 0.32s; }
  .stagger > *:nth-child(6)  { transition-delay: 0.40s; }
  .stagger > *:nth-child(7)  { transition-delay: 0.48s; }
  .stagger > *:nth-child(8)  { transition-delay: 0.56s; }

  /* .chiffres-grid (4 cols) */
  .chiffres-grid .chiffre-box:nth-child(1) { transition-delay: 0.00s; }
  .chiffres-grid .chiffre-box:nth-child(2) { transition-delay: 0.10s; }
  .chiffres-grid .chiffre-box:nth-child(3) { transition-delay: 0.20s; }
  .chiffres-grid .chiffre-box:nth-child(4) { transition-delay: 0.30s; }

  /* .proc-steps (4 steps) */
  .proc-steps .proc-step:nth-child(1) { transition-delay: 0.00s; }
  .proc-steps .proc-step:nth-child(2) { transition-delay: 0.12s; }
  .proc-steps .proc-step:nth-child(3) { transition-delay: 0.24s; }
  .proc-steps .proc-step:nth-child(4) { transition-delay: 0.36s; }

  /* .t-grid témoignages */
  .t-grid .t-card:nth-child(1) { transition-delay: 0.00s; }
  .t-grid .t-card:nth-child(2) { transition-delay: 0.08s; }
  .t-grid .t-card:nth-child(3) { transition-delay: 0.16s; }
  .t-grid .t-card:nth-child(4) { transition-delay: 0.24s; }
  .t-grid .t-card:nth-child(5) { transition-delay: 0.32s; }
  .t-grid .t-card:nth-child(6) { transition-delay: 0.40s; }

  /* .products-grid (6 cartes) */
  .products-grid .product-item:nth-child(1) { transition-delay: 0.00s; }
  .products-grid .product-item:nth-child(2) { transition-delay: 0.08s; }
  .products-grid .product-item:nth-child(3) { transition-delay: 0.16s; }
  .products-grid .product-item:nth-child(4) { transition-delay: 0.24s; }
  .products-grid .product-item:nth-child(5) { transition-delay: 0.32s; }
  .products-grid .product-item:nth-child(6) { transition-delay: 0.40s; }

  /* .real-grid (4 items) */
  .real-grid .real-item:nth-child(1) { transition-delay: 0.00s; }
  .real-grid .real-item:nth-child(2) { transition-delay: 0.08s; }
  .real-grid .real-item:nth-child(3) { transition-delay: 0.16s; }
  .real-grid .real-item:nth-child(4) { transition-delay: 0.24s; }

  /* .sp-grid (services preview home, max 4) */
  .services-preview .sp-grid .sp-card:nth-child(1) { transition-delay: 0.00s; }
  .services-preview .sp-grid .sp-card:nth-child(2) { transition-delay: 0.10s; }
  .services-preview .sp-grid .sp-card:nth-child(3) { transition-delay: 0.20s; }

  /* sp-grid solaire (4 cartes) */
  .solar-products .sp-grid .sp-card:nth-child(1) { transition-delay: 0.00s; }
  .solar-products .sp-grid .sp-card:nth-child(2) { transition-delay: 0.10s; }
  .solar-products .sp-grid .sp-card:nth-child(3) { transition-delay: 0.20s; }
  .solar-products .sp-grid .sp-card:nth-child(4) { transition-delay: 0.30s; }

  /* av-grid avantages (6 cartes) */
  .av-grid .av-card:nth-child(1) { transition-delay: 0.00s; }
  .av-grid .av-card:nth-child(2) { transition-delay: 0.08s; }
  .av-grid .av-card:nth-child(3) { transition-delay: 0.16s; }
  .av-grid .av-card:nth-child(4) { transition-delay: 0.24s; }
  .av-grid .av-card:nth-child(5) { transition-delay: 0.32s; }
  .av-grid .av-card:nth-child(6) { transition-delay: 0.40s; }
}

/* ── 4. HERO TITLE CASCADE ────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .hero-line {
    display: inline-block;
    opacity: 0;
    transform: translateY(22px);
    animation: heroLineIn 0.6s ease both;
  }
  .hero-line:nth-child(1) { animation-delay: 0.1s; }
  .hero-line:nth-child(2) { animation-delay: 0.22s; }
  .hero-line:nth-child(3) { animation-delay: 0.34s; }

  @keyframes heroLineIn {
    to { opacity: 1; transform: translateY(0); }
  }

  /* Hero stats décalés */
  .hero-stat-item {
    opacity: 0;
    transform: translateY(14px);
    animation: heroStatIn 0.5s ease both;
  }
  .hero-stat-item:nth-child(1) { animation-delay: 0.55s; }
  .hero-stat-item:nth-child(2) { animation-delay: 0.67s; }
  .hero-stat-item:nth-child(3) { animation-delay: 0.79s; }

  @keyframes heroStatIn {
    to { opacity: 1; transform: translateY(0); }
  }
}

/* ── 5. IMAGE ZOOM AU SURVOL ──────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .product-img img,
  .real-item img,
  .mat-visual img,
  .eq-img img,
  .ws-visual img,
  .solar-hero-img img,
  .sp-img img {
    transition: transform 0.5s ease;
  }
  .product-item:hover .product-img img,
  .real-item:hover img,
  .mat-visual:hover img,
  .eq-img:hover img,
  .ws-visual:hover img,
  .solar-hero-img:hover img,
  .sp-card:hover .sp-img img {
    transform: scale(1.08);
  }
}

/* ── 6. TILT 3D - classe CSS de base (contrôlé par JS) */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.15s ease, box-shadow 0.3s ease;
  will-change: transform;
}

/* ── 7. PROCESSUS - connecteur animé ─────────────── */
@media (prefers-reduced-motion: no-preference) {
  /* Reset la ligne existante et la remplace par une version animée */
  .proc-steps { position: relative; overflow: visible; }
  .proc-steps::before { content: none !important; }

  /* Ligne de connexion - pseudo-élément sur le parent */
  .proc-connector {
    position: absolute;
    top: 32px; left: 10%; right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--accent));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
    opacity: 0.35;
    pointer-events: none;
  }
  .proc-steps.steps-visible .proc-connector { transform: scaleX(1); }

  /* Pop bounce sur les proc-num */
  .proc-step.visible .proc-num {
    animation: procPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  }
  @keyframes procPop {
    from { transform: scale(0.7); }
    to   { transform: scale(1); }
  }
}

/* Mobile : masquer le connecteur */
@media (max-width: 767px) {
  .proc-connector { display: none; }
}

/* ── 8. FLOAT-WA HALO + WIGGLE ───────────────────── */
@media (prefers-reduced-motion: no-preference) {
  /* Halo pulsant autour du bouton */
  .float-wa::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.25);
    animation: waHalo 2.5s ease-in-out infinite;
    pointer-events: none;
  }
  @keyframes waHalo {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50%       { transform: scale(1.3); opacity: 0; }
  }

  /* Wiggle class (appliquée par JS toutes les 9s) */
  .float-wa.wiggle {
    animation: floatAnim 3s ease-in-out infinite,
               waWiggle 0.4s ease both !important;
  }
  @keyframes waWiggle {
    0%   { transform: rotate(0deg); }
    20%  { transform: rotate(-8deg); }
    50%  { transform: rotate(8deg); }
    80%  { transform: rotate(-5deg); }
    100% { transform: rotate(0deg); }
  }
}

/* ── 9. NAVIGATION - condensation scroll ─────────── */
nav {
  transition: padding 0.3s ease, background 0.4s ease, backdrop-filter 0.4s ease;
}
nav.scrolled {
  background: rgba(10, 14, 26, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-bottom-color: rgba(212, 168, 67, 0.25);
}

/* ── 10. FORMULAIRE - focus amélioré ─────────────── */
@media (prefers-reduced-motion: no-preference) {
  .form-group input,
  .form-group select,
  .form-group textarea {
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
  }
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.12), 0 4px 20px rgba(212, 168, 67, 0.06);
    transform: translateY(-1px);
  }
}

/* Bouton submit - état loading */
.btn-submit.loading {
  pointer-events: none;
  opacity: 0.8;
}
@media (prefers-reduced-motion: no-preference) {
  .btn-submit.loading {
    animation: btnPulse 0.9s ease infinite;
  }
  @keyframes btnPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 30px rgba(37,211,102,0.3); }
    50%       { transform: scale(1.02); box-shadow: 0 12px 40px rgba(37,211,102,0.5); }
  }
}

/* ── 11. HERO BADGE - pulse existant renforcé ──────── */
@media (prefers-reduced-motion: no-preference) {
  .hero-badge {
    animation: heroHaloIn 0.5s ease both 0.05s;
  }
  @keyframes heroHaloIn {
    from { opacity: 0; transform: translateY(-10px) scale(0.95); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }
}

/* ── 12. HERO BTNS - apparition décalée ─────────── */
@media (prefers-reduced-motion: no-preference) {
  .hero-btns {
    opacity: 0;
    transform: translateY(16px);
    animation: heroBtnsIn 0.5s ease both 0.5s;
  }
  @keyframes heroBtnsIn {
    to { opacity: 1; transform: translateY(0); }
  }
}

/* ── 13. SCROLL PROGRESS BAR ────────────────────────── */
.scroll-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 1200;
  background: transparent;
}
.scroll-progress-bar {
  height: 100%; width: 100%;
  background: linear-gradient(90deg, var(--gold), var(--accent));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

/* ── 14. SCROLL-TO-TOP ──────────────────────────────── */
.scroll-top {
  position: fixed; bottom: 96px; right: 28px; z-index: 998;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(30,41,59,0.9); border: 1px solid rgba(212,168,67,0.25);
  color: var(--gold); font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s, background 0.2s;
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: rgba(212,168,67,0.15); }
@media (max-width: 600px) {
  .scroll-top { bottom: 84px; right: 16px; width: 40px; height: 40px; }
}

/* ── 15. CTA BTN-PULSE ──────────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .btn-pulse { animation: ctaPulse 2.4s ease-in-out infinite; }
  @keyframes ctaPulse {
    0%, 100% { box-shadow: 0 8px 32px rgba(212,168,67,0.35); }
    50%      { box-shadow: 0 8px 44px rgba(212,168,67,0.65); }
  }
  .btn-pulse:hover { animation-play-state: paused; }
}