/* ================================
   TEMA DARK - IVAE TECHNOLOGIES
   ================================ */

:root {
  --bg-dark: #0a0e27;
  --bg-darker: #000000;
  --text-light: #ffffff;
  --text-muted: #b0b0b0;
  --accent-green: #00d084;
  --accent-cyan: #00d9ff;
  --accent-magenta: #ff006e;
  --border-color: #4b4b4b;
  --hover-transition: 0.3s ease;
}

/* ================================
   ESTILOS BASE
   ================================ */

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

body {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-family: 'Consolas', 'Courier New', monospace;
  line-height: 1.6;
  font-size: 14px;
}

html {
  scroll-behavior: smooth;
}

/* ================================
   NAVBAR / HEADER
   ================================ */

.navbar {
  background-color: var(--bg-darker);
  border-bottom: 2px solid var(--border-color);
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-cyan) !important;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-right: 3rem;
}

.navbar-brand img {
  height: 40px;
  margin-right: 0.5rem;
  filter: brightness(1.2);
}

.nav-link {
  color: var(--text-light) !important;
  margin: 0 0.5rem;
  position: relative;
  transition: color var(--hover-transition);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-green) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-green);
  transition: width var(--hover-transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.dropdown-menu {
  background-color: var(--bg-darker);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
}

.dropdown-item {
  color: var(--text-light);
  transition: all var(--hover-transition);
  font-size: 0.85rem;
}

.dropdown-item:hover {
  background-color: var(--accent-green);
  color: var(--bg-dark);
}

.navbar-toggler {
  border-color: var(--accent-cyan);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(0, 217, 255, 0.25);
}

/* ================================
   HERO SECTION
   ================================ */

.hero-section {
  min-height: 650px;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-back1{
 background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/hero.jpg');
 background-position: center;
 background-size: cover;
}

.hero-back2{
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/about.jpg');
  background-position: top;
  background-size: cover;
}

.hero-back3 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/support.jpg');
  background-position: top;
  background-size: cover;
}

.hero-back4 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/licence.jpg');
  background-position: top;
  background-size: cover;
}

.hero-back5 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/camera.jpg');
  background-position: center;
  background-size: cover;
}
.hero-back5 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/camera.jpg');
  background-position: top;
  background-size: cover;
}

.hero-back6 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/biometric.jpg');
  background-position: top;
  background-size: cover;
}

.hero-back7 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/webpage.jpg');
  background-position: center;
  background-size: cover;
}

.hero-back8 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/hosting.jpg');
  background-position: center;
  background-size: cover;
}

.hero-back9 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/contact.jpg');
  background-position: bottom;
  background-size: cover;
}
.hero-back10 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/oranxe.jpg');
  background-position: center;
  background-size: cover;
}

.hero-back11 {
  background: linear-gradient(135deg, rgba(10, 14, 39, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%), url('../images/zandwich.jpg');
  background-position: center;
  background-size: cover;
}

.hero-content {
  text-align: center;
  z-index: 2;
  animation: fadeInUp 0.8s ease-out;
}

/* Carousel estilo terminal */
.carousel {
  margin-top: 2rem;
}

.carousel-item {
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.1);
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.carousel-item img {
  width: 260px;
  height: 260px;
  object-fit: contain;
  margin: 15px auto 35px;
}

.carousel-indicators [data-bs-target] {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.carousel-indicators .active {
  background-color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-image: none !important;
  width: 2.2rem;
  height: 2.2rem;
}

.carousel-control-prev-icon::before,
.carousel-control-next-icon::before {
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  font-size: 2rem;
  color: var(--accent-magenta);
  text-shadow: 0 0 10px rgba(255, 0, 110, 0.5);
}

.carousel-control-prev-icon::before {
  content: "\f053";
}

.carousel-control-next-icon::before {
  content: "\f054";
}

.carousel-control-prev,
.carousel-control-next {
  width: 4rem;
}

@media (max-width: 576px) {
  .carousel-control-prev,
  .carousel-control-next {
    width: 3rem;
  }
}


.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--accent-green);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 10px rgba(0, 208, 132, 0.2);
}

.hero-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }
}

/* ================================
   BOTONES
   ================================ */

.btn-primary {
  background-color: var(--accent-green);
  border: 2px solid var(--accent-green);
  color: var(--bg-dark);
  font-weight: bold;
  padding: 0.75rem 2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--hover-transition);
  border-radius: 0.5rem;
  font-size: 0.9rem;
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent-green);
  box-shadow: 0 0 15px rgba(0, 208, 132, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: bold;
  padding: 0.75rem 2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all var(--hover-transition);
  border-radius: 0.5rem;
  font-size: 0.9rem;
}

.btn-secondary:hover {
  background-color: var(--accent-cyan);
  color: var(--bg-dark);
  box-shadow: 0 0 15px rgba(0, 217, 255, 0.5);
  transform: translateY(-2px);
}

.btn-link {
  color: var(--accent-magenta);
  text-decoration: none;
  font-weight: bold;
  transition: all var(--hover-transition);
  display: inline-block;
}

.btn-link:hover {
  color: var(--accent-cyan);
  transform: translateX(5px);
}

/* ================================
   SECCIONES
   ================================ */

section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.2);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--accent-green);
  margin-bottom: 3rem;
}

.section-text {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* ================================
   TARJETAS (Cards)
   ================================ */

.advantage-card {
  background-color: var(--bg-darker);
  border: 2px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  transition: all var(--hover-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.advantage-card:hover {
  border-color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 208, 132, 0.3);
  transform: translateY(-5px);
}

.advantage-icon {
  font-size: 3rem;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
  transition: color var(--hover-transition);
}

.advantage-card:hover .advantage-icon {
  color: var(--accent-green);
  filter: drop-shadow(0 0 10px rgba(0, 208, 132, 0.5));
}

.advantage-title {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.advantage-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}


.card{
  background-color: rgba(0,0,0,0.35); border: 1px solid var(--border-color); border-radius: 0.5rem;
  height: 165px;
}

/* ================================
   SERVICIOS (GRID)
   ================================ */

.service-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.service-item:last-child {
  border-bottom: none;
}

.service-title {
  font-size: 1.3rem;
  color: var(--accent-green);
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.service-description {
  color: var(--text-muted);
  line-height: 1.6;
}

/* ================================
   FOOTER
   ================================ */

footer {
  background-color: var(--bg-darker);
  border-top: 2px solid var(--border-color);
  padding: 3rem 0 1rem;
  margin-top: 5rem;
}

.footer-brand {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.footer-brand img {
  margin-right: 0.5rem;
  filter: brightness(1.2);
}

.footer-section {
  margin-bottom: 2rem;
}

.footer-section-title {
  font-size: 1rem;
  font-weight: bold;
  color: var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.footer-link {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color var(--hover-transition);
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-contact {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-contact a {
  color: var(--accent-magenta);
  text-decoration: none;
  transition: color var(--hover-transition);
}

.footer-contact a:hover {
  color: var(--accent-cyan);
}

.footer-separator {
  border-top: 1px solid var(--border-color);
  margin-top: 2rem;
  padding-top: 2rem;
}

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ================================
   ANIMACIONES
   ================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow {
  0% {
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
  }
  50% {
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.8);
  }
  100% {
    box-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
  }
}

/* ================================
   UTILIDADES RESPONSIVE
   ================================ */

@media (max-width: 768px) {
  .section-title {
    font-size: 1.8rem;
  }

  section {
    padding: 3rem 0;
  }

  .hero-section {
    min-height: 400px;
  }
}

/* ================================
   SCROLL
   ================================ */

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-green);
}

/* ================================
   PRELOADER - TERMINAL STYLE
   ================================ */

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-darker);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-text {
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: colorCycle 2s ease-in-out infinite;
}

/* Terminal loader character rotation: | / — \ | / */
.terminal-loader::before {
  content: '|';
  display: inline-block;
  animation: terminalRotate 0.85s steps(6, end) infinite;
}

/* Animación: rotación de caracteres de terminal */
@keyframes terminalRotate {
  0% { content: '|'; }
  16.66% { content: '/'; }
  33.33% { content: '—'; }
  50% { content: '\\'; }
  66.66% { content: '|'; }
  83.33% { content: '/'; }
  100% { content: '—'; }
} 

/* Animación: alternancia de colores (cyan → verde → magenta) */
@keyframes colorCycle {
  0%, 100% {
    color: var(--accent-cyan);
    text-shadow: 0 0 15px rgba(0, 217, 255, 0.6);
  }
  33% {
    color: var(--accent-green);
    text-shadow: 0 0 15px rgba(0, 208, 132, 0.6);
  }
  66% {
    color: var(--accent-magenta);
    text-shadow: 0 0 15px rgba(255, 0, 110, 0.6);
  }
}