.main-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.85);
  box-shadow: 0 0 10px #00ffff;
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #0ff;
  font-family: 'Orbitron', sans-serif;
  text-shadow: 0 0 5px #0ff;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links li a {
  color: white;
  text-decoration: none;
  font-size: 1rem;
  transition: color 0.3s ease;
  font-family: 'Roboto Mono', monospace;
}

.nav-links li a:hover {
  color: #0ff;
  text-shadow: 0 0 5px #0ff;
}

html {
  scroll-behavior: smooth;
}

/* Fondo y overlay */
.background {
  background-size: cover;
  background-position: center;
  min-height: 100vh;
}

.overlay {
  background-color: rgba(0, 0, 0, 0.75);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
}

/* Tipografía y fondo global */
body {
  font-family: 'Roboto Mono', monospace;
  color: white;
  background: url("./background/background_3.webp") black repeat-y;
  background-size: contain;
  margin: 0 auto;
}

/* Textos generales */
.about h1,
.projects,
.about-links {
  text-shadow:
    0 0 5px #b71400,
    0 0 0px #b71400,
    0 0 20px #b71400,
    0 0 40px #b71400;
  
}

h2, h3, .about-links{
  text-shadow:
    0 0 5px #0ff,
    0 0 0px #0ff,
    0 0 20px #0ff,
    0 0 40px #0ff;
}
.about {
  background-color: rgba(0,0,0, 0.6);
  color: #fff;
  font-family: 'Roboto Mono', monospace;
  padding: 20px;
  text-align: center;
  border-radius: 10px;
  margin: 4rem auto;
  max-width: 1000px;
}

.about h1 {
  color: white;
  margin: 0.5rem 0;
  font-family: 'Orbitron', serif;
  font-size: 3rem;
  font-weight: bold;
  margin: 0.5rem 0;
}

.about h3 {
  margin-bottom: 1.0rem;
  font-size: 30px;
  font-family: 'Orbitron', serif;
}


.about p {
  font-size: 1rem;
  /*line-height: 1.6;*/
  max-width: 800px;
  margin: 0 auto 2rem;
}

.about-links .btn {
  display: inline-block;
  margin: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: #000;
  color: rgb(210, 210, 223);
  border: 1px solid rgb(38, 167, 184);
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}

.about-links .btn:hover {
  background: #222;
  color: #fff;
}


p {
  font-size: 1.2rem;
  margin: 0.5rem;
  text-align: left;
  position: relative;
  z-index: 1;
}

/* Botón */
.show-more-btn {
  background-color: #111;
  color: #0ff;
  border: 1px solid #0ff;
  padding: 5px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-family: inherit;
}

/* Proyectos */
.projects-container {
  margin-top: 4rem;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  max-width: 1000px;
  margin-left: 160px;
  margin: auto;
}

.project {
  background: rgb(43, 24, 67, 0.44);
  border-radius: 10px;
  display: flex;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.project:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.project-image {
  width: 300px;
  height: 260px;
  flex: 1;
  /*background-color: #000;*/
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  padding-top: 1rem;
  font-weight: bold;
}

.project-content {
  flex: 2;
  padding: 1.5rem;
  max-width: 800px;
  color: #eee;
}

.project-content h1 {
  color: #0ff;
  font-size: 2rem;
  border-bottom: 2px solid #0ff;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.project-content h3 {
  margin-top: 0;
}

.project-content p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

.project-content code {
  background-color: #222;
  /*padding: 0.2em 0.4em;*/
  border-radius: 4px;
  color: #0ff;
}

.project-content a.back-link {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.5rem 1rem;
  border: 1px solid #0ff;
  color: #0ff;
  text-decoration: none;
  border-radius: 5px;
  transition: 0.2s;
}

.project-content a.back-link:hover {
  background-color: #0ff;
  color: #111;
}

.tech-section {
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.7);
  border-radius: 8px;
  margin: 4rem auto;
  max-width: 1000px;
}

.tech-section h2 {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.section {
  scroll-margin-top: 80px;
  /* Ajusta según el alto de tu header */
}


.tech-grid {
  padding: 10px 180px;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.tech-grid img {
  width: 50px;
  height: auto;
  transition: transform 0.3s ease;
}

.tech-grid img:hover {
  transform: scale(1.1);
}

/* Responsive */
@media (max-width: 700px) {
  .project {
    flex-direction: column;
  }

  .project-image {
    min-height: 150px;
  }
}

/* Footer*/
.footer {
  background-color: rgba(0, 0, 0, 0.7);
  background-size: 400% 400%;
  animation: backgroundMove 10s ease infinite;
  padding: 2rem 1rem;
  text-align: center;
  color: #ccc;
  border-top: 1px solid #0ff;
  margin-top: 4rem;
  position: relative;
}

@keyframes backgroundMove {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.footer-text {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: #0ff;
  text-shadow: 0 0 5px #0ff;
}

.footer-icons {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.footer-icons a {
  color: #0ff;
  font-size: 1.8rem;
  transition: all 0.3s ease;
  position: relative;
}

.footer-icons a::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  border-radius: 50%;
  box-shadow: 0 0 10px #0ff, 0 0 20px #0ff, 0 0 30px #0ff;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.footer-icons a:hover {
  color: #fff;
  transform: scale(1.3);
}

.footer-icons a:hover::after {
  opacity: 0.4;
}

/* Fondo decorativo */
.neon-graphic {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-image:
    radial-gradient(circle, rgba(0, 255, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle, rgba(255, 0, 0, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
}