/* =========================================
   NAVEGAÇÃO FLUIDA E TRANSIÇÕES ENTRE PÁGINAS
   ========================================= */

/* Transições suaves para mudança de página */
body {
  transition: opacity 0.3s ease-in-out;
}

/* Efeito de loading para navegação */
.page-loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Animações de entrada para páginas */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
  animation: pageEnter 0.6s ease forwards;
}

@keyframes pageEnter {
  to {
    opacity: 1;
  }
}

/* Melhorias na navegação principal */
.nav-link {
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  background: linear-gradient(90deg, #22704a, #1a5838);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hover effects para links da navegação */
.nav-link:hover {
  color: #22704a;
  transform: translateY(-2px);
}

/* Botão de contato melhorado */
.btn-contact {
  background: linear-gradient(135deg, #22704a 0%, #1a5838 100%);
  color: #000000;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(26, 77, 46, 0.3);
}

.btn-contact:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(26, 77, 46, 0.4);
  background: linear-gradient(135deg, #1a5838 0%, #22704a 100%);
}

/* Animações de scroll suaves */
html {
  scroll-behavior: smooth;
}

/* Preloader para mudanças de página */
.page-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.page-preloader.hidden {
  opacity: 0;
  pointer-events: none;
}

.preloader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(26, 77, 46, 0.3);
  border-radius: 50%;
  border-top: 3px solid #22704a;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Navegação móvel melhorada */
.mobile-menu {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
  border-top: 1px solid rgba(26, 77, 46, 0.3);
}

.mobile-menu-item {
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.mobile-menu-item:hover {
  background: rgba(26, 77, 46, 0.1);
  border-left-color: #22704a;
  padding-left: 1.5rem;
}

/* Responsividade aprimorada */
@media (max-width: 768px) {
  .nav-link::after {
    display: none;
  }
  
  .page-enter {
    animation-duration: 0.4s;
  }
}

/* Dark mode para navegação */
[data-theme="dark"] .mobile-menu {
  background: rgba(0, 0, 0, 0.95);
}

[data-theme="dark"] .page-preloader {
  background: #000000;
}

[data-theme="dark"] .mobile-menu-item:hover {
  background: rgba(148, 227, 39, 0.15);
}

/* Indicador de página ativa */
.nav-link.current-page {
  color: #22704a;
  font-weight: 600;
}

.nav-link.current-page::after {
  width: 100%;
}

/* Efeitos de transição para mudança de tema */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Parallax suave para elementos */
.parallax-element {
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: transform 0.1s ease-out;
}

/* Animações de entrada escalonadas */
.stagger-animation {
  opacity: 0;
  transform: translateY(30px);
  animation: staggerIn 0.6s ease forwards;
}

.stagger-animation:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation:nth-child(6) { animation-delay: 0.6s; }

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

/* Melhorias de performance */
.gpu-accelerated {
  will-change: transform, opacity;
  transform: translateZ(0);
}

/* Smooth scroll customizado */
.smooth-scroll {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}