:root {
  --bg-dark: #111116; /* Fondo oscuro tipo negro profundo */
  --accent-blue: #00BFA6; /* Azul verdoso moderno */
  --accent-green: #914949; /* Rosa fuerte y elegante */
  --card-glass: rgba(255, 255, 255, 0.05);
  --border-glow: rgba(255, 79, 129, 0.3); /* Glow a juego */
}

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

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-dark);
  color: #f0f0f0;
  overflow-x: hidden;
  position: relative;
}

#halo-bg {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  top: 0;
  left: 0;
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.0rem;
  color: var(--accent-blue);
  text-transform: uppercase;
}

.logo2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 3.0rem;
  color: var(--accent-green); /* Color principal del texto */
  text-transform: uppercase;
  text-align: center;
  -webkit-text-stroke: 1.5px var(--accent-blue); /* Borde del texto */
  text-shadow: 0 0 10px rgba(0, 217, 166, 0.3); /* Glow suave */
}


.logo span {
  color: var(--accent-green);
}

.logo2 span {
  color: var(--accent-blue);
}

.logo2 span1 {
  color: var(--accent-green);
}

.logo2 span2 {
  color: var(--accent-blue);
}

.hero {
  min-height: 100vh;
  padding: 4rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.subtitulo {
  font-size: 1.2rem;
  margin: 1rem 0;
  color: #ccc;
}

.btn {
  padding: 0.8rem 2rem;
  border: none;
  text-decoration: none;
  font-weight: bold;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 15px var(--border-glow);
  transition: 0.4s;
}
.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px var(--accent-green);
}

.seccion {
  padding: 5rem 2rem;
  text-align: center;
}
.seccion h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding: 0 1rem;
}
.card {
  background: var(--card-glass);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  backdrop-filter: blur(12px);
  padding: 2rem;
  text-align: center;
  transition: 0.3s ease;
  box-shadow: 0 0 10px var(--border-glow);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 20px var(--border-glow);
}
.card img {
  width: 60px;
  margin-bottom: 1rem;
}
.card h3 {
  margin-top: 0.5rem;
  font-weight: 500;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  background-color: #111;
  color: #999;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 13, 13, 0.6); /* semi transparente */
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-glow);
}

.navbar .logo img {
  height: 70px;
  transition: transform 0.3s ease;
}

.navbar .logo img:hover {
  transform: scale(1.05);
}

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

.nav-links a {
  text-decoration: none;
  color: #e0e0e0;
  font-weight: 500;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  left: 0;
  bottom: -4px;
  background: var(--accent-green);
  transition: width 0.3s;
}

.nav-links a:hover::after {
  width: 100%;
}

.contacto {
  max-width: 600px;
  margin: 0 auto;
}

.formulario {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  background: var(--card-glass);
  border: 1px solid var(--border-glow);
  padding: 2rem;
  border-radius: 20px;
  backdrop-filter: blur(14px);
  box-shadow: 0 0 20px rgba(31, 111, 235, 0.1);
}

.formulario input,
.formulario textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glow);
  color: #e0e0e0;
  padding: 0.8rem;
  border-radius: 10px;
  outline: none;
  font-family: inherit;
  resize: none;
}

.formulario input:focus,
.formulario textarea:focus {
  border-color: var(--accent-green);
}

.footer {
  background-color: #111;
  color: #999;
  padding: 1rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1000px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  color: var(--accent-green);
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 1.2rem;
  padding: 0;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: 0.3s;
}
.footer-links a:hover {
  color: var(--accent-green);
}

.footer-social a img {
  width: 24px;
  margin: 0 0.5rem;
  filter: grayscale(100%) brightness(0.8);
  transition: 0.3s;
  color: var(--accent-blue);
};

.footer-social a img:hover {
  filter: brightness(1.2);
  color: var(--accent-blue);
}

#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 6px solid rgba(255, 255, 255, 0.1);
  border-top: 6px solid var(--accent-green);
  border-radius: 50%;
  animation: spin 1.2s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.sobre-mi {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5rem 2rem;
}

.sobre-mi .contenido {
  max-width: 900px;
  background: var(--card-glass);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--border-glow);
  box-shadow: 0 0 25px rgba(0, 255, 255, 0.05);
  text-align: center;
  backdrop-filter: blur(14px);
}

.sobre-mi h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  color: var(--accent-green);
}

.sobre-mi p {
  font-size: 1.1rem;
  color: #ccc;
  line-height: 1.8;
}

.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  overflow-y: auto;
}

.modal-content {
  background: rgba(25, 25, 30, 0.85);
  border-radius: 20px;
  backdrop-filter: blur(15px);
  padding: 40px;
  max-width: 1000px;
  margin: auto;
  color: #f1f1f1;
  animation: fadeIn 0.5s ease;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
}

.modal-content h2 {
  font-size: 28px;
  margin-bottom: 30px;
  text-align: center;
  color: #914949;
}

.portfolio-grid {
  display: grid;
  gap: 25px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(8px);
  transition: 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 20px rgba(0, 216, 255, 0.2);
}

.project-card .icon {
  margin-bottom: 15px;
  color: #914949;
}

.project-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #ffffff;
}

.project-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #ccc;
}

.tech-section {
  margin-top: 3rem;
  padding: 2rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.tech-section h3 {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  color: #00d9a6;
  text-shadow: 0 0 4px rgba(0, 217, 166, 0.3);
}

.tech-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.tech-logo {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.tech-logo:hover {
  transform: scale(1.08);
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.3);
}

.tech-logo img {
  height: 40px;
  max-width: 100px;
  filter: drop-shadow(0 0 2px rgba(0, 217, 255, 0.2));
  transition: filter 0.3s ease;
}


/* 📱 Mobile-first: Estilos responsivos */
@media screen and (max-width: 768px) {
  .logo {
    font-size: 2.2rem;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
  }

  .hero {
    padding: 2rem 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .subtitulo {
    font-size: 1rem;
  }

  .seccion h2 {
    font-size: 2rem;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .btn {
    font-size: 1rem;
    padding: 0.6rem 1.2rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: 2rem 1rem;
  }

  .tech-logos {
    flex-direction: column;
    gap: 1.2rem;
  }

  .tech-logo {
    padding: 0.8rem 1rem;
  }

  footer {
    padding: 1rem;
    font-size: 0.3rem;
  }
}

.footer-signature {
  text-align: right;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
  margin-top: 20px;
}

/*
.credits {
  position: fixed;
  bottom: 10px;
  right: 15px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  z-index: 9999;
  font-style: italic;
  pointer-events: none; /* para que no interfiera con clics */


.whatsapp-fake-chat {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

/* Ícono flotante */
.whatsapp-icon {
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.15);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.whatsapp-icon:hover {
  transform: scale(1.1);
}

.whatsapp-icon img {
  width: 32px;
  height: 32px;
}

/* Chat Bubble */
.chat-bubble {
  width: 260px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 15px;
  margin-bottom: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 0.4s ease;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  color: #fff;
  margin-bottom: 10px;
}

.chat-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}

.chat-body {
  color: #fff;
  font-size: 14px;
}

.chat-body p {
  margin-bottom: 10px;
}

.chat-link {
  display: inline-block;
  padding: 6px 12px;
  background: #25d366;
  color: white;
  border-radius: 12px;
  text-decoration: none;
  font-weight: bold;
  font-size: 14px;
  transition: background 0.3s ease;
}

.chat-link:hover {
  background: #1ebf57;
}

.hidden {
  display: none;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}