/* Fundo AtmosferaIA - Branco com Amarelo (Light Theme) */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background: #FAFAFA;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #1a1a1a;
}

#fundo-atmosfera {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.conteudo {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Menu de Navegacao */
.menu-coreai {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.15);
  padding: 0 20px;
  transition: all 0.3s ease;
}

.menu-coreai nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.menu-coreai .logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #1a1a1a;
  text-decoration: none;
  letter-spacing: -1px;
}

.menu-coreai .logo span {
  color: #FFD700;
}

.menu-coreai ul {
  display: flex;
  list-style: none;
  gap: 8px;
}

.menu-coreai ul li a {
  text-decoration: none;
  color: #555;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 24px;
  transition: all 0.3s ease;
  display: block;
}

.menu-coreai ul li a:hover {
  background: rgba(255, 215, 0, 0.12);
  color: #1a1a1a;
  transform: translateY(-1px);
}

.menu-coreai ul li a.active {
  background: #FFD700;
  color: #1a1a1a;
  font-weight: 600;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: #1a1a1a;
  border-radius: 2px;
  transition: 0.3s;
}

@media (max-width: 768px) {
  .menu-coreai ul {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 5px;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
  }
  
  .menu-coreai ul.open {
    transform: translateY(0);
  }
  
  .menu-toggle {
    display: flex;
  }
}