/* Estilos para efeitos de transição e carregamento com tema tecnológico */

/* Preloader - Tela de carregamento inicial */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--dark-color);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Animação de carregamento tipo "circuito" */
.circuit-loader {
  position: relative;
  width: 120px;
  height: 120px;
}

.circuit-loader:before,
.circuit-loader:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid transparent;
}

.circuit-loader:before {
  border-top-color: var(--primary-color);
  border-right-color: var(--primary-color);
  animation: circuit-spin 1.5s linear infinite;
}

.circuit-loader:after {
  border-bottom-color: var(--secondary-color);
  border-left-color: var(--secondary-color);
  animation: circuit-spin 1s linear infinite reverse;
}

.circuit-loader .circuit-inner {
  position: absolute;
  top: 25%;
  left: 25%;
  width: 50%;
  height: 50%;
  border-radius: 50%;
  border: 3px dashed rgba(255, 255, 255, 0.3);
  animation: pulse 2s ease-in-out infinite;
}

.circuit-loader .circuit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: var(--primary-color);
  border-radius: 50%;
  top: calc(50% - 5px);
  left: calc(50% - 5px);
  box-shadow: 0 0 15px var(--primary-color);
}

.circuit-loader .circuit-lines {
  position: absolute;
  width: 100%;
  height: 100%;
}

.circuit-loader .circuit-line {
  position: absolute;
  background-color: rgba(46, 236, 168, 0.3);
}

.circuit-loader .circuit-line:nth-child(1) {
  width: 3px;
  height: 40%;
  left: 50%;
  top: -20%;
  transform: translateX(-50%);
  animation: circuit-line-pulse 1.5s ease-in-out infinite;
}

.circuit-loader .circuit-line:nth-child(2) {
  width: 40%;
  height: 3px;
  left: -20%;
  top: 50%;
  transform: translateY(-50%);
  animation: circuit-line-pulse 1.5s ease-in-out infinite 0.5s;
}

.circuit-loader .circuit-line:nth-child(3) {
  width: 3px;
  height: 40%;
  left: 50%;
  bottom: -20%;
  transform: translateX(-50%);
  animation: circuit-line-pulse 1.5s ease-in-out infinite 1s;
}

.circuit-loader .circuit-line:nth-child(4) {
  width: 40%;
  height: 3px;
  right: -20%;
  top: 50%;
  transform: translateY(-50%);
  animation: circuit-line-pulse 1.5s ease-in-out infinite 0.75s;
}

/* Logo animado durante carregamento */
.preloader-logo {
  position: absolute;
  width: 60px;
  height: 60px;
  opacity: 0;
  animation: fade-in 0.5s ease forwards 0.5s;
}

/* Texto de carregamento */
.loading-text {
  position: absolute;
  bottom: 20%;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.loading-text::after {
  content: '';
  animation: loading-dots 1.5s infinite;
}

/* Efeitos de transição para seções */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Efeito de destaque para cards */
.highlight-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.7s ease;
}

.highlight-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.highlight-card:hover::before {
  left: 100%;
}

/* Efeito de partículas tecnológicas */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: -1;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background-color: rgba(46, 236, 168, 0.3);
  border-radius: 50%;
}

/* Efeito de digitação para títulos */
.typing-effect {
  overflow: hidden;
  border-right: 3px solid var(--primary-color);
  white-space: nowrap;
  margin: 0 auto;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

/* Efeito de grid tecnológico */
.tech-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(46, 236, 168, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 236, 168, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
  z-index: -1;
  opacity: 0.5;
}

/* Efeito de destaque para links */
.nav-link {
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-link:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

/* Animações */
@keyframes circuit-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@keyframes circuit-line-pulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 1;
  }
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes loading-dots {
  0%, 20% {
    content: '.';
  }
  40%, 60% {
    content: '..';
  }
  80%, 100% {
    content: '...';
  }
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--primary-color);
  }
}

/* Otimizações para performance */
.optimize-animation {
  will-change: transform, opacity;
  backface-visibility: hidden;
  perspective: 1000px;
  transform: translateZ(0);
}