/* ============================================================
   SEINE-BÂTISSEUR — Animations & Effets visuels
   ============================================================ */

/* ══════════════════════════════════════════
   CURSEUR PERSONNALISÉ
══════════════════════════════════════════ */
.cursor-dot,
.cursor-ring {
  /* Curseur personnalisé désactivé : on garde le curseur système,
     plus fiable et sans décalage (notamment sur le formulaire). */
  display: none !important;
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: normal;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  top: 0; left: 0;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, opacity 0.3s;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 2px solid rgba(212,168,67,0.5);
  top: 0; left: 0;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease), height 0.3s var(--ease),
              border-color 0.3s, opacity 0.3s,
              transform 0.08s linear;
}
.cursor-ring.hovering {
  width: 56px; height: 56px;
  border-color: var(--gold);
  background: rgba(212,168,67,0.06);
}
.cursor-dot.hovering { transform: translate(-50%,-50%) scale(0); }

/* ══════════════════════════════════════════
   LOADER DE PAGE
══════════════════════════════════════════ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transition: opacity 0.7s ease, visibility 0.7s;
}
.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-logo {
  height: 70px;
  width: auto;
  filter: brightness(0) invert(1);
  animation: loaderPulse 1.5s ease-in-out infinite;
}
.loader-track {
  width: 240px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.loader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--gold));
  border-radius: 2px;
  animation: loaderFill 1.1s cubic-bezier(0.25,1,0.5,1) forwards;
}
.loader-text {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--steel);
}

@keyframes loaderFill    { from { width: 0; } to { width: 100%; } }
@keyframes loaderPulse   { 0%,100% { opacity:1; } 50% { opacity:0.6; } }

/* ══════════════════════════════════════════
   REVEAL AU SCROLL (Intersection Observer)
══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity  0.9s var(--ease),
    transform 0.9s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Délais en cascade */
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* Variantes de direction */
.reveal-left  { transform: translateX(-40px); opacity: 0; }
.reveal-right { transform: translateX(40px);  opacity: 0; }
.reveal-scale { transform: scale(0.94);        opacity: 0; }
.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible { transform: none; opacity: 1; }

/* ══════════════════════════════════════════
   HERO — ANIMATIONS TEXTE
══════════════════════════════════════════ */
.hero-word {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}
.hero-word-inner {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1s var(--ease);
}
.hero-word-inner.visible { transform: translateY(0); }

/* Badge Hero */
.hero-badge-anim {
  opacity: 0;
  transform: translateX(-20px);
  animation: badgeIn 0.8s var(--ease) 0.3s forwards;
}
@keyframes badgeIn { to { opacity:1; transform:translateX(0); } }

/* Sous-titre Hero */
.hero-sub-anim {
  opacity: 0;
  transform: translateY(20px);
  animation: subIn 0.8s var(--ease) 0.8s forwards;
}
@keyframes subIn { to { opacity:1; transform:translateY(0); } }

/* CTA Hero */
.hero-cta-anim {
  opacity: 0;
  transform: translateY(20px);
  animation: subIn 0.8s var(--ease) 1s forwards;
}

/* ══════════════════════════════════════════
   FOND ANIMÉ HERO (géométrique)
══════════════════════════════════════════ */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-particle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(29,78,137,0.4) 0%, transparent 70%);
  animation: particleFloat var(--dur, 12s) ease-in-out infinite var(--delay, 0s);
}

.hero-particle:nth-child(1) { width:500px; height:500px; top:-100px; right:-100px; --dur:15s; --delay:0s; }
.hero-particle:nth-child(2) { width:300px; height:300px; bottom:10%; left:5%;  --dur:12s; --delay:-4s; }
.hero-particle:nth-child(3) { width:200px; height:200px; top:30%;   right:20%; --dur:10s; --delay:-8s; }

@keyframes particleFloat {
  0%,100% { transform: translate(0, 0) scale(1); }
  33%     { transform: translate(30px, -20px) scale(1.05); }
  66%     { transform: translate(-20px, 15px) scale(0.95); }
}

/* Grille géométrique */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(29,78,137,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(29,78,137,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  animation: gridShift 20s linear infinite;
}
@keyframes gridShift { from { background-position: 0 0; } to { background-position: 60px 60px; } }

/* ══════════════════════════════════════════
   LIGNE DORÉE ANIMÉE
══════════════════════════════════════════ */
.animated-line {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
  border-radius: 2px;
}
@keyframes shimmer { from { background-position: -200% 0; } to { background-position: 200% 0; } }

/* ══════════════════════════════════════════
   HOVER EFFETS
══════════════════════════════════════════ */
.hover-lift { transition: transform 0.3s var(--ease), box-shadow 0.3s ease; }
.hover-lift:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.hover-glow:hover { box-shadow: 0 0 30px rgba(29,78,137,0.3); }

/* ══════════════════════════════════════════
   SECTION CTA ANIMÉE
══════════════════════════════════════════ */
.cta-section {
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(29,78,137,0.15) 0%,
    rgba(212,168,67,0.08) 50%,
    rgba(29,78,137,0.15) 100%);
  background-size: 400% 400%;
  animation: gradientShift 8s ease infinite;
}
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ══════════════════════════════════════════
   NOMBRE ANIMÉ (compteur)
══════════════════════════════════════════ */
.counter-value {
  display: inline-block;
  transition: transform 0.1s;
}
.counter-value.counting { animation: countPulse 0.1s ease; }
@keyframes countPulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }

/* ══════════════════════════════════════════
   SCROLL INDICATOR (hero)
══════════════════════════════════════════ */
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 0.8; transform: scaleY(1.15); }
}

/* ══════════════════════════════════════════
   PARALLAXE
══════════════════════════════════════════ */
.parallax { will-change: transform; }

/* ══════════════════════════════════════════
   BARRE DE PROGRESSION COMPÉTENCES
══════════════════════════════════════════ */
.skill-bar {
  height: 6px;
  background: rgba(29,78,137,0.12);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--blue-accent));
  border-radius: 3px;
  width: 0;
  transition: width 1.4s var(--ease);
}
.skill-fill.animated { width: var(--target); }

/* ══════════════════════════════════════════
   BOUTON SCROLL-TO-TOP
══════════════════════════════════════════ */
.scroll-top-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--blue-accent));
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(29,78,137,0.4);
  z-index: 500;
  opacity: 0;
  transform: translateY(16px) scale(0.85);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), background 0.2s;
  pointer-events: none;
}
.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.scroll-top-btn:hover {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  box-shadow: 0 8px 28px rgba(212,168,67,0.45);
  transform: translateY(-3px) scale(1.05);
}
.scroll-top-btn svg { width: 20px; height: 20px; }

/* ══════════════════════════════════════════
   BOUTON TÉLÉPHONE FLOTTANT (mobile)
══════════════════════════════════════════ */
.float-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 490;
  padding: 12px 16px;
  background: rgba(13,30,60,0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(29,78,137,0.3);
  gap: 10px;
  transform: translateY(100%);
  transition: transform 0.4s var(--ease);
}
.float-cta.visible { transform: translateY(0); }
.float-cta a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 0;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition-fast);
}
.float-cta .float-tel {
  background: rgba(29,78,137,0.25);
  color: var(--steel-light);
  border: 1px solid rgba(29,78,137,0.4);
}
.float-cta .float-devis {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--navy);
}
.float-cta svg { width: 16px; height: 16px; flex-shrink: 0; }
@media (max-width: 768px) {
  .float-cta { display: flex; }
  .scroll-top-btn { bottom: 90px; right: 16px; width: 42px; height: 42px; }
}

/* ══════════════════════════════════════════
   MICRO-INTERACTIONS — Focus & Accessibilité
══════════════════════════════════════════ */
:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}
button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

/* Amélioration hover des liens nav */
.navbar-links a {
  position: relative;
}

/* Transition de page — fade in au chargement.
   IMPORTANT : ne jamais mettre de "transform" sur <body> ici. Un transform
   (même translateY(0) une fois l'animation finie, tant que le fill-mode le
   maintient) transforme <body> en "containing block" pour tous ses
   descendants en position:fixed (menu mobile, lightbox, page-loader...) :
   ils se retrouvent alors positionnés/cadrés par rapport à <body> au lieu
   du viewport, ce qui casse leur affichage plein écran sur mobile Safari. */
body {
  animation: pageFadeIn 0.4s ease both;
}
@keyframes pageFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Transition de page — fade out au départ */
body.page-leaving {
  animation: pageFadeOut 0.25s ease forwards;
}
@keyframes pageFadeOut {
  to { opacity: 0; }
}

/* ══════════════════════════════════════════
   ACCESSIBILITÉ
══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}