/* =========================================================================
   PARALLAX INTRO — MVA Global Fret
   Page unique, fixe (pas de scroll). Vidéo Terre rotative + ligne rouge 3D
   Paris ↔ Antananarivo (suit la rotation du globe) + bouton centré.
   ========================================================================= */

:root {
  --navy: #1a1a3e;
  --navy-deep: #050518;
  --gold: #c5a55a;
  --gold-light: #e0c98a;
  --red: #ff2a3d;
  --white: #fff;
  --mx: 0;
  --my: 0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
}

.parallax-body {
  font-family: 'Inter', sans-serif;
  color: var(--white);
  background: var(--navy-deep);
}

/* ── HEADER ─────────────────────────────────────────────────────────────── */
.parallax-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 36px;
  z-index: 50;
}

.parallax-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  letter-spacing: 1.2px;
  font-size: 0.92rem;
  text-transform: uppercase;
  user-select: none;
}
.parallax-logo img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 4px 14px rgba(0,0,0,0.65));
}

.lang-switcher {
  display: inline-flex;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50px;
  padding: 4px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.lang-switcher button {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.7);
  padding: 6px 14px;
  cursor: pointer;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: inherit;
  transition: all 0.2s;
}
.lang-switcher button.active {
  background: var(--gold);
  color: var(--navy);
}
.lang-switcher button:hover:not(.active) { color: var(--white); }

/* ── STAGE ──────────────────────────────────────────────────────────────── */
.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

.layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  will-change: transform;
}

/* Parallaxe vidéo : suit la souris avec easing. Sur-dimensionnée pour
   masquer les bords quand elle bouge. */
.layer-video {
  object-fit: cover;
  object-position: center;
  transform: translate(calc(var(--mx) * -22px), calc(var(--my) * -22px)) scale(1.06);
}

/* Voile très léger — la vidéo en golden hour est belle, on la laisse vivre.
   Petit assombrissement vers les bords pour la lisibilité du bouton. */
.layer-tint {
  background:
    radial-gradient(ellipse at center, transparent 0%, rgba(5, 5, 24, 0.32) 100%),
    linear-gradient(180deg, transparent 50%, rgba(5, 5, 24, 0.35) 100%);
}

/* ── PARACHUTE + BOUTON-NUAGE ────────────────────────────────────────────
   Le bloc tombe du haut de l'écran jusqu'au centre via translateY animé,
   plus rapide que les parachutes de la vidéo (~1.6s vs 7s). Après l'atter-
   rissage, le parachute Lottie continue à boucler doucement au-dessus
   du nuage. Aucune parallaxe souris sur ce groupe — la chute est l'effet. */
.cta-stack {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: parachute-drop 1.6s cubic-bezier(0.34, 0.4, 0.5, 1) 0.2s both;
}
.cta-stack > * { pointer-events: auto; }

@keyframes parachute-drop {
  0%   { transform: translate(-50%, -130vh); opacity: 0; }
  10%  { opacity: 1; }
  85%  { transform: translate(-50%, -42%);   opacity: 1; }
  100% { transform: translate(-50%, -50%); }
}

.cta-parachute {
  width: 170px;
  height: 170px;
  margin-bottom: -22px;
  filter: drop-shadow(0 12px 18px rgba(0, 0, 0, 0.35));
  pointer-events: none;
}

/* ── BOUTON-NUAGE ────────────────────────────────────────────────────────
   Pill blanche moelleuse + 5 puffs en absolu pour la silhouette nuage. */
.cloud-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 22px 52px;
  border-radius: 60px;
  background: linear-gradient(180deg, #ffffff 0%, #eaf1ff 100%);
  color: var(--navy);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.4px;
  white-space: nowrap;
  box-shadow:
    0 24px 70px rgba(120, 150, 220, 0.45),
    0 6px 18px rgba(20, 20, 50, 0.18),
    inset 0 -3px 8px rgba(180, 200, 235, 0.5),
    inset 0 2px 0 rgba(255, 255, 255, 0.95);
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.cloud-btn:hover {
  transform: scale(1.04);
  box-shadow:
    0 30px 85px rgba(120, 150, 220, 0.55),
    0 10px 24px rgba(20, 20, 50, 0.22),
    inset 0 -3px 8px rgba(180, 200, 235, 0.5),
    inset 0 2px 0 rgba(255, 255, 255, 1);
}

/* Puffs de nuage — 5 boules positionnées autour de la pill */
.cloud-puff {
  position: absolute;
  background: linear-gradient(180deg, #ffffff 0%, #e7eefc 100%);
  border-radius: 50%;
  box-shadow:
    inset 0 -3px 6px rgba(180, 200, 235, 0.5),
    inset 0 2px 0 rgba(255, 255, 255, 0.9);
  z-index: 0;
}
.cloud-puff-tl { width: 60px; height: 60px; top: -22px; left: 8%;  }
.cloud-puff-tm { width: 52px; height: 52px; top: -32px; left: 50%; transform: translateX(-50%); }
.cloud-puff-tr { width: 56px; height: 56px; top: -22px; right: 8%; }
.cloud-puff-bl { width: 44px; height: 44px; bottom: -18px; left: 22%; }
.cloud-puff-br { width: 48px; height: 48px; bottom: -20px; right: 22%; }

.cloud-content {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.cloud-content i {
  font-size: 0.95rem;
  transition: transform 0.32s ease;
}
.cloud-btn:hover .cloud-content i { transform: translateX(6px); }

/* ── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .parallax-header { padding: 14px 18px; }
  .parallax-logo span { display: none; }
  .parallax-logo img { height: 38px; }
  .lang-switcher button { padding: 5px 10px; font-size: 0.74rem; }

  .cta-parachute { width: 130px; height: 130px; margin-bottom: -16px; }
  .cloud-btn { padding: 16px 34px; font-size: 0.98rem; }
  .cloud-puff-tl { width: 50px; height: 50px; top: -22px; }
  .cloud-puff-tm { width: 44px; height: 44px; top: -26px; }
  .cloud-puff-tr { width: 46px; height: 46px; top: -22px; }
  .cloud-puff-bl { width: 38px; height: 38px; bottom: -16px; }
  .cloud-puff-br { width: 42px; height: 42px; bottom: -18px; }
}

@media (prefers-reduced-motion: reduce) {
  .cta-stack { animation: none; }
}