/* ==========================================================================
   Composants réutilisables — header, logo, bouton glass, badge, CTA
   Indépendants d'une page : réutilisables sur toutes les futures pages.
   ========================================================================== */

/* --- Header / navigation --- */
.site-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 10;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--gutter);
}

/* --- Logo (icône + mot) --- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.logo__icon {
  width: 58px;
  height: 38px;
}

.logo__word {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 1.6px;
  color: var(--color-text);
}

/* --- Bouton menu (pilule glass) --- */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
}

.menu-toggle__lines {
  width: 20px;
  height: 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle__lines span {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: var(--color-text);
}

.menu-toggle__label {
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.78px;
  color: var(--color-text);
}

/* --- Badge disponibilité --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-badge);
}

.badge__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-online);
  box-shadow: 0 0 12px 2px var(--color-online);
  animation: badge-pulse 2.4s var(--ease) infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.82); }
}

/* --- CTA principal (pilule orange incandescente) --- */
.btn-cta {
  position: relative;
  isolation: isolate;            /* contexte d'empilement pour le halo en z-index négatif */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 230px;
  height: 60px;
  padding-inline: 32px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text);
  background: var(--cta-gradient);
  box-shadow: 0 0 32px 2px var(--cta-glow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

/* Halo réactif : lueur diffuse derrière la pilule qui suit le curseur
   (--gx/--gy fournis par main.js, centre par défaut) et s'intensifie au hover. */
.btn-cta::before {
  content: "";
  position: absolute;
  inset: -45%;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(
    closest-side circle at var(--gx, 50%) var(--gy, 50%),
    var(--cta-glow) 0%,
    rgba(255, 153, 26, 0) 72%
  );
  filter: blur(22px);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 44px 6px var(--cta-glow);
}

.btn-cta:hover::before {
  opacity: 0.95;
  transform: scale(1);
}

.btn-cta:active {
  transform: translateY(0);
}