/* ===========================
   Navbar: torna-se sticky pra poder
   esconder/mostrar com o scroll
   =========================== */
.navbar {
  position: static;
  z-index: 999;
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
}

/* ===========================
   Botão flutuante (substitui a navbar)
   =========================== */
.floating-menu-btn {
  position: fixed;
  top: 24px;
  left: 275px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--azul-marca);
  border: 6px solid var(--branco);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(-16px) scale(0.85);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(.4,0,.2,1), background 0.2s;
}

.floating-menu-btn:hover {
  background: var(--laranja-claro);
}

.floating-menu-btn.visivel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.floating-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--branco);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.25s ease;
}

/* ===========================
   Overlay
   =========================== */
.nav-panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 31, 74, 0.55);
  backdrop-filter: blur(2px);
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.nav-panel-overlay.visivel {
  opacity: 1;
  pointer-events: auto;
}

/* ===========================
   Painel lateral
   =========================== */
.nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 301px;
  max-width: 88vw;
  background: var(--branco);
  z-index: 1002;
  box-shadow: 10px 0 40px rgba(0,0,0,0.15);
  transform: translateX(-100%);
  transition: transform 0.45s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  padding-left: 24px;
  padding-right: 24px;
  overflow: hidden;
}

.nav-panel.visivel {
  transform: translateX(0);
}

.nav-panel-close {
  position: fixed;
  top: 25px;
  left: 270px;
  width: 75px;
  height: 68px;
  border-radius: 28px;
  border: 6px solid var(--branco);
  background: var(--azul-marca);
  color: var(--branco);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1003;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-200px);
  transition: opacity 0.60s cubic-bezier(.4,0,.2,1),
            transform 0.60s cubic-bezier(.4,0,.2,1),
            background 0.2s;
}

#navPanel.visivel ~ .nav-panel-close {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.nav-panel-content {
  flex: 1;
  overflow-y: auto;
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

body.nav-panel-aberto {
  overflow: hidden;
}