/* presentation_hero.css - Estilo visual da secção de apresentação principal */

.hero-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 90vh;
    padding: 5vh 10vw;
    text-align: center;
    color: #ffffff;
    position: relative;
    z-index: 1;
  }
  
  .hero-content {
    max-width: 960px;
  }
  
  .hero-section h1 {
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 2.5rem;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    text-transform: none;
    color: #ffffff;
  }
  
  .hero-section p {
    font-family: 'Segoe UI', sans-serif;
    font-size: 1.15rem;
    line-height: 1.9rem;
    color: #dddddd;
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto;
  }
  
  .hero-section {
    position: relative;
    z-index: 1;  /* garante que o hero fica acima do background */
    background: transparent;
  }
  
  /* seta “scroll down” em forma de triângulo para baixo */
.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  cursor: pointer;
}

.scroll-down .arrow {
  display: block;
  width: 0;
  height: 0;
  margin: 0 auto;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 12px solid #ccc;  /* triângulo apontando para baixo */
  animation: bounce 2s infinite ease-in-out;
  opacity: 0.8;
}

/* animação de “bounce” */
@keyframes bounce {
  0% {
    transform: translateX(-50%) translateY(0);
    opacity: 0.8;
  }
  50% {
    transform: translateX(-50%) translateY(12px);
    opacity: 0.4;
  }
  100% {
    transform: translateX(-50%) translateY(0);
    opacity: 0.8;
  }
}

/* efeito on-hover */
.scroll-down:hover .arrow {
  border-top-color: #fff;
  opacity: 1;
}