/* Reset */
.pagina-cybersecurity * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.pagina-cybersecurity html, body {
  height: 100%;
  font-family: 'Orbitron', sans-serif;
  background: linear-gradient(135deg, #0a0a0a, #121212);
  color: #ddd;
  overflow-x: hidden;
  overflow-y: auto; /* importante para scroll vertical */
  line-height: 1.5;
}

/* Fundo partículas */
.pagina-cybersecurity #particles-js {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none; /* para não interferir no scroll */
}

/* Header */
.pagina-cybersecurity header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 90px; /* navbar maior */
  background: rgba(15, 15, 15, 0.95);
  box-shadow: 0 1px 8px rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  z-index: 10;
}

/* Navegação container */
.pagina-cybersecurity nav {
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

/* Nav Left: nome + subtitle */
.pagina-cybersecurity .nav-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
}

/* Nome do site */
.pagina-cybersecurity #nav_name_cyber {
  font-family: 'Orbitron', sans-serif;
  white-space: nowrap;
  font-weight: 700;
  font-size: 1.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #5b5858;
  user-select: none;
  margin: 0; /* remove margin desnecessária */
}

/* Subtitle do site */
.pagina-cybersecurity #nav_subtitle_cyber {
  font-size: 1.2rem;
  color: #aaa;
  margin: 0;
}

/* Nav Center: Menu */
.pagina-cybersecurity nav ul#nav_list {
  list-style: none;
  display: flex;
  gap: 48px;
  justify-content: center;
  width: 100%;
  max-width: 960px;
  font-size: 1.0rem;
  position: relative;
}

.pagina-cybersecurity nav ul#nav_list li a {
  color: #aaa;
  font-weight: 500;
  font-size: 1.0rem;
  text-decoration: none;
  padding: 10px 0;
  position: relative;
  transition: color 0.25s ease;
  /* removi left fixo que causava desalinhamento */
}

.pagina-cybersecurity nav ul#nav_list li a:hover,
.pagina-cybersecurity nav ul#nav_list li a.active {
  color: #00e6e6;
}

.pagina-cybersecurity nav ul#nav_list li a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #00e6e6;
  transition: width 0.25s ease;
}

.pagina-cybersecurity nav ul#nav_list li a:hover::after,
.pagina-cybersecurity nav ul#nav_list li a.active::after {
  width: 100%;
}

/* Linha animada no menu */
.pagina-cybersecurity nav ul#nav_list::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: #00d4bb;
  width: var(--line-width, 0);
  transform: translateX(var(--line-left, 0));
  transition: all 0.3s ease;
}

/* Social Icons Styling */
.pagina-cybersecurity nav .social-icons {
  display: flex;
  gap: 10px;
  align-items: center;
  /* removido position absolute */
}

.pagina-cybersecurity nav .social-icons a {
  color: gray;
  font-size: 20px;
  transition: color 0.3s ease;
}

.pagina-cybersecurity nav .social-icons a:hover {
  color: #ccc;
}

/* WhatsApp Button */
#whatsapp-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background-color: #1a9246;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 1000;
}

#whatsapp-button a {
  color: white;
  font-size: 1.5rem;
  text-decoration: none;
}

#whatsapp-button.show {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.pagina-cybersecurity .hero-cyber {
  min-height: calc(100vh - 90px);
  height: calc(100vh - 90px);
  padding: 160px 20px 100px 20px;
  text-align: center;
  position: relative;
  overflow: visible;
  z-index: 5;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.pagina-cybersecurity .hero-content {
  max-width: none;
  margin: 0 auto;
  width: 90%;
}

.pagina-cybersecurity .hero-cyber .subtitle {
  font-weight: 700;
  font-size: 2.5rem;
  letter-spacing: 0.15em;
  color: #aaa;
  margin-bottom: 1rem;
  display: block;
  text-transform: uppercase;
}

.pagina-cybersecurity .hero-cyber .hero-title {
  font-weight: 900;
  color: white;
  font-size: 1.7rem;
  line-height: 1.2;
  margin-bottom: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
  text-shadow: 0 0 10px rgba(152, 150, 150, 0.7);
}

/* Button Hero */
.pagina-cybersecurity .btn-hero {
  display: inline-block;
  padding: 14px 36px;
  font-weight: 700;
  color: #aaa;
  border: 2px solid #d3d1d1;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.3s ease, color 0.3s ease;
  user-select: none;
}

.pagina-cybersecurity .btn-hero:hover {
  background-color: #00e6e6;
  color: #0a0a0a;
}

/* ===================== RESPONSIVE ===================== */
@media screen and (max-width: 1170px) {
  .pagina-cybersecurity header {
    padding: 0 16px;
    flex-wrap: wrap; /* permite quebra responsiva */
    justify-content: space-between;
    align-items: center;
  }

  .pagina-cybersecurity #nav_name_cyber {
    position: fixed;
    font-size: 1.5rem;
    margin: 10px;
    padding: 0;
    left: 170px;
    top: 0;
    white-space: nowrap; /* impede quebra */
    flex: 1;
    text-align: center;
  }

  .pagina-cybersecurity nav ul#nav_list {
    gap: 24px;
    font-size: 0.9rem;
    margin: 50px auto;
    padding: 0;
    position: relative;
    justify-content: center;
    flex: 2;
  }

  .pagina-cybersecurity nav ul#nav_list li a {
    font-size: 0.9rem;
  }

  .pagina-cybersecurity .hero-cyber .subtitle {
    font-size: 2rem;
  }

  .pagina-cybersecurity .hero-cyber .hero-title {
    font-size: 1.4rem;
  }

  .pagina-cybersecurity .btn-hero {
    padding: 12px 28px;
    font-size: 0.95rem;
  }

  .pagina-cybersecurity nav .social-icons {
    position: relative;
    right: 20px;
    top: 0;
    margin-left: auto;
    margin-right: 0;
  }

  .pagina-cybersecurity nav .social-icons a {
    font-size: 18px;
  }
}


@media screen and (max-width: 600px) {
  .pagina-cybersecurity header {
      flex-direction: column;
      justify-content: center;
      padding: 0 10px;
  }

  .pagina-cybersecurity .nav-left {
      align-items: center;
      flex-direction: column;
      margin-top: 10px;
  }

  .pagina-cybersecurity #nav_name_cyber {
      font-size: 1.2rem;
      letter-spacing: normal;
      margin-top: 10px;
  }

  .pagina-cybersecurity #nav_subtitle_cyber {
      font-size: 0.9rem;
  }

  .pagina-cybersecurity nav ul#nav_list {
      flex-direction: column;
      gap: 12px;
      margin-top: 10px;
  }

  .pagina-cybersecurity nav .social-icons {
      margin-top: 10px;
      display: none;
  }

  .pagina-cybersecurity .hero-cyber {
      padding: 100px 12px 50px 12px;
  }

  .pagina-cybersecurity .hero-cyber .subtitle {
      font-size: 1.2rem;
  }

  .pagina-cybersecurity .hero-cyber .hero-title {
      font-size: 0.8rem;
      font-family: Arial, Helvetica, sans-serif;
      text-shadow: none;
  }

  .pagina-cybersecurity .btn-hero {
      padding: 8px 20px;
      font-size: 0.8rem;
  }
}

@media screen and (max-width: 300px) {
  .pagina-cybersecurity header {
      height: 55px;
      padding: 0 10px;
  }

  .pagina-cybersecurity #nav_name_cyber {
      font-size: 0.8rem;
  }

  .pagina-cybersecurity nav ul#nav_list {
      gap: 12px;
      font-size: 0.8rem;
      margin-top: 50px;
  }

  .pagina-cybersecurity nav ul#nav_list li a {
      font-size: 0.8rem;
  }

  .pagina-cybersecurity .hero-cyber {
      padding: 100px 12px 50px 12px;
  }

  .pagina-cybersecurity .hero-cyber .subtitle {
      font-size: 0.75rem;
  }

  .pagina-cybersecurity .hero-cyber .hero-title {
      font-size: 1.2rem;
  }

  .pagina-cybersecurity .btn-hero {
      padding: 8px 20px;
      font-size: 0.8rem;
  }

  .pagina-cybersecurity nav .social-icons a {
      font-size: 16px;
  }
}