:root {
  --bg-dark: #0a0e17;
  --blue-electric: #0066FF;
  --cyan-neon: #00D4FF;
  --green-neon: #00E676;
  --orange-vibrant: #FF5722;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: blur(16px);
  --text-main: #f0f4f8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 102, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 230, 118, 0.1) 0%, transparent 40%);
}

.text-gradient {
  background: linear-gradient(135deg, var(--cyan-neon), var(--green-neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glassmorphism Reusable Style */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* BARRA DE NAVEGACIÓN */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.logo-img {
  height: 95px;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  margin: 0 15px;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--cyan-neon);
}

.btn-user {
  background: linear-gradient(135deg, var(--blue-electric), var(--cyan-neon));
  color: #fff;
  padding: 10px 20px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s;
}

.btn-user:hover {
  transform: translateY(-2px);
}

/* HERO SECTION & SLIDESHOW */
.hero {
  padding: 140px 5% 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  min-height: 85vh;
}

.hero-content h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content p {
  color: #a0aec0;
  margin-bottom: 30px;
}

.app-buttons {
  display: flex;
  gap: 15px;
}

.btn-store {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--glass-border);
  padding: 10px 20px;
  border-radius: 12px;
  color: #fff;
  text-decoration: none;
  transition: background 0.3s;
}

.btn-store:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn-store i {
  font-size: 1.8rem;
  color: var(--cyan-neon);
}

.slider-container {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 12px;
  cursor: pointer;
  border-radius: 50%;
  z-index: 10;
}
.prev { left: 15px; }
.next { right: 15px; }

/* SECCIONES Y GRIDS */
.section-container {
  padding: 80px 5%;
}

.section-title {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 50px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.feature-card, .client-card {
  padding: 30px;
  text-align: center;
}

.icon {
  font-size: 2.5rem;
  color: var(--orange-vibrant);
  margin-bottom: 15px;
}

/* EFECTO INTERACTIVO JS (GLOW CARDS) */
.grid-glow-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.glow-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 20px;
  padding: 1px;
  overflow: hidden;
}

/* Gradiente radial dinámico desde JS */
.glow-card::before {
  content: '';
  position: absolute;
  top: var(--y, -1000px);
  left: var(--x, -1000px);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, transparent 60%);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}

.glow-card:hover::before {
  opacity: 1;
}

.glow-card-content {
  background: #0d1322;
  border-radius: 19px;
  padding: 30px;
  height: 100%;
  position: relative;
  z-index: 1;
}

.glow-icon {
  font-size: 2.2rem;
  color: var(--green-neon);
  margin-bottom: 15px;
}

/* LOGOS */
.logos-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.logo-badge {
  padding: 20px 40px;
  font-weight: 600;
  color: #a0aec0;
}

/* MODAL VIDEO */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: 90%;
  max-width: 600px;
  padding: 30px;
  position: relative;
  text-align: center;
}

.close-modal {
  position: absolute;
  top: 15px; right: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
}

.video-container {
  margin-top: 20px;
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.video-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border-radius: 12px;
  border: none;
}

/* BOTÓN WHATSAPP */
.whatsapp-float {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 60px; height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  text-decoration: none;
  transition: transform 0.3s;
}

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

/* FOOTER */
footer {
  padding: 40px 5%;
  text-align: center;
  border-top: 1px solid var(--glass-border);
  margin-top: 50px;
}

.social-links {
  margin-top: 15px;
}

.social-links a {
  color: var(--text-main);
  font-size: 1.3rem;
  margin: 0 10px;
  transition: color 0.3s;
}

.social-links a:hover {
  color: var(--green-neon);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .app-buttons { justify-content: center; }
  .nav-links { display: none; }
}