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

body {
  font-family: 'Orbitron', sans-serif;
  background: url('https://images.unsplash.com/photo-1535905748047-14b2415c8a28?auto=format&fit=crop&w=1950&q=80') no-repeat center center fixed;
  background-size: cover;
  color: #e0e0e0;
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* Navbar */
nav {
  background: rgba(0, 0, 0, 0.85);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 0 10px #ff00ff;
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
}

nav a {
  color: #39ff14;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s, transform 0.3s;
}

nav a:hover {
  color: #ff00ff;
  transform: scale(1.1);
}

/* Sections */
section {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: auto;
  background-color: rgba(15, 15, 30, 0.85);
  border-radius: 10px;
  margin-bottom: 2rem;
  box-shadow: 0 0 20px #39ff14;
}

/* Headings */
h1, h2, h3 {
  color: #00ffff;
  margin-bottom: 1rem;
  text-shadow: 0 0 5px #00ffff, 0 0 10px #39ff14, 0 0 20px #ff00ff;
}

p, li, a {
  font-size: 1rem;
  line-height: 1.5;
}

/* Portfolio item */
.portfolio-item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: rgba(0, 0, 0, 0.6);
  border: 1px solid #39ff14;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  box-shadow: 0 0 15px #ff00ff;
}

.portfolio-img {
  max-width: 100%;
  border-radius: 6px;
  box-shadow: 0 0 10px #ff00ff;
}

/* Botões */
.btn {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: #39ff14;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s, transform 0.3s;
  margin-top: 0.5rem;
  box-shadow: 0 0 10px #39ff14;
}

.btn:hover {
  background: #ff00ff;
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 0 20px #ff00ff, 0 0 30px #ff00ff;
}

/* Formulário */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

form input,
form textarea {
  padding: 0.7rem;
  border-radius: 5px;
  border: none;
  background-color: #1c1c1c;
  color: #fff;
  font-family: inherit;
  box-shadow: 0 0 10px #39ff14;
  transition: background-color 0.3s, box-shadow 0.3s;
}

form input::placeholder,
form textarea::placeholder {
  color: #aaa;
}

form input:focus,
form textarea:focus {
  background-color: #2e2e2e;
  box-shadow: 0 0 20px #39ff14;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background-color: rgba(0, 0, 0, 0.85);
  font-size: 0.9rem;
  color: #888;
  box-shadow: 0 0 10px #ff00ff;
}

/* Responsivo */
@media (min-width: 768px) {
  .portfolio-item {
    flex-direction: row;
    align-items: center;
  }

  .portfolio-item img {
    max-width: 300px;
    margin-right: 1.5rem;
  }
}

/* Animations for neon lights */
@keyframes neon-flicker {
  0% { text-shadow: 0 0 5px #39ff14, 0 0 10px #ff00ff; }
  25% { text-shadow: 0 0 15px #39ff14, 0 0 20px #ff00ff; }
  50% { text-shadow: 0 0 10px #39ff14, 0 0 25px #ff00ff; }
  75% { text-shadow: 0 0 5px #39ff14, 0 0 10px #ff00ff; }
  100% { text-shadow: 0 0 15px #39ff14, 0 0 20px #ff00ff; }
}

h1, h2, h3 {
  animation: neon-flicker 1.5s infinite alternate;
}