:root {
  --color-bg-gradient: linear-gradient(135deg, #1b2b64, #0c1026);
  --color-nav-bg: rgba(10, 15, 30, 0.85);
  --color-link: #e8f0ff;
  --color-link-hover: #7bb8ff;
  --color-shadow: rgba(0, 0, 0, 0.6);
  --color-neon: #4fd1ff;
  --glass-blur: blur(14px);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--color-bg-gradient);
  background-attachment: fixed;
  background-size: cover;
  min-height: 100vh;
  color: var(--color-link);
  position: relative;
  overflow-x: hidden;
}

header {
  background: var(--color-nav-bg);
  padding: 24px 0;
  box-shadow: 0 0 15px var(--color-neon);
  backdrop-filter: var(--glass-blur);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 2px solid var(--color-neon);
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

nav ul li a {
  color: var(--color-link);
  text-decoration: none;
  font-size: 1.1rem;
  padding: 12px 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 2px 10px rgba(79, 209, 255, 0.15);
  border: 1px solid transparent;
}

nav ul li a:hover {
  background-color: rgba(123, 184, 255, 0.1);
  transform: translateY(-4px) scale(1.05);
  color: var(--color-link-hover);
  border: 1px solid var(--color-neon);
  box-shadow: 0 0 8px var(--color-neon);
}

a:visited {
  font-weight: bold;
  color: #a6e2ff;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  nav ul li a {
    font-size: 1rem;
    padding: 10px 16px;
  }
}

main, section {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: var(--glass-blur);
  border-radius: 16px;
  padding: 40px;
  margin: 140px auto 40px;
  max-width: 1000px;
  box-shadow: 0 8px 25px rgba(79, 209, 255, 0.15);
  color: var(--color-link);
  text-align: center;
  animation: fadeIn 1s ease-out;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

footer {
    background:rgba(123, 123, 123, 0.645);
    color: white;
    text-align: center;
    padding: 10px 0;
    margin-top: 85vh;
    
}

footer .redes-sociais {
    margin-bottom: 10px;
}

footer .redes-sociais a {
    margin: 0 15px;
    display: inline-block;
    transition: transform 0.3s;
}

footer .redes-sociais a:hover {
    transform: scale(1.2);
}

footer .redes-sociais img {
    width: 30px;
    height: 30px;
    filter: brightness(0) invert(1);
}

footer p {
    color: #ccc;
    font-size: 14px;
}
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-header-footer);
  backdrop-filter: blur(10px);
  box-shadow: 0 -2px 14px var(--color-shadow);
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  z-index: 10000;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-bg-header-footer);
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 14px var(--color-shadow);
    padding: 12px 0;
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 600;
    text-align: center;
    z-index: 10000;
  }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}