:root {
  --bg-main: #0B0E14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --accent-blue: #3B82F6;
  --accent-cyan: #06B6D4;
  --accent-purple: #8B5CF6;
  --gradient-neon: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Navigation Bar */
.top-navbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 25px 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
}

.text-gradient {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-wrapper {
  padding: 100px 0;
}

.sec-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.sec-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto 60px auto;
}

/* Layouts */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* Cards */
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 30px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-neon);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: 24px;
  color: var(--accent-cyan);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Hardware Section */
.hw-list {
  list-style: none;
  margin-top: 30px;
}

.hw-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 25px;
}

.hw-item i {
  font-size: 1.5rem;
  color: var(--accent-purple);
  margin-right: 20px;
  background: rgba(139, 92, 246, 0.1);
  padding: 12px;
  border-radius: 12px;
}

.hw-img-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  position: relative;
}

.hw-img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  transition: transform 0.3s ease;
  object-fit: cover;
}

.hw-img:hover {
  transform: scale(1.05);
  z-index: 2;
}

.hw-img-large {
  grid-column: span 2;
}

/* Panel Section */
.panel-img-wrapper {
  position: relative;
  margin: 60px auto 0 auto;
  max-width: 1000px;
  border-radius: 12px;
  padding: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.panel-img-wrapper img {
  width: 100%;
  border-radius: 8px;
  display: block;
}

.floating-badge {
  position: absolute;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  padding: 12px 24px;
  border-radius: 100px;
  border: 1px solid var(--accent-blue);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: float 6s ease-in-out infinite;
}

.badge-1 { top: -20px; left: 10%; }
.badge-2 { bottom: -20px; right: 10%; animation-delay: -3s; }

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

/* CTA */
.cta-section {
  background: linear-gradient(rgba(11, 14, 20, 0.9), rgba(11, 14, 20, 0.9)), url('../images/640_site.png') center/cover;
  position: relative;
  text-align: center;
  padding: 120px 20px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cta-section::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, rgba(59,130,246,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: 3rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 40px auto;
  position: relative;
  z-index: 1;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-neon);
  color: white;
  padding: 18px 40px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 40px rgba(139, 92, 246, 0.6);
}

.btn-subtitle {
  display: block;
  margin-top: 15px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

/* Trust Bar */
.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  background: rgba(0,0,0,0.2);
}

.trust-item {
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.2rem;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s;
}

.trust-item:hover {
  filter: grayscale(0%);
  opacity: 1;
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 900px) {
  .split-layout { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .sec-title { font-size: 2rem; }
  .cta-section h2 { font-size: 2.2rem; }
}

/* Contact Form (Austral Style) */
.contact-card {
  max-width: 650px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 40px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-neon);
}

.contact-form {
  text-align: left;
  margin-top: 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background: rgba(0, 0, 0, 0.6);
}

.form-result {
  margin-top: 16px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 500;
  min-height: 20px;
  transition: all 0.3s ease;
}

.form-result.success { color: var(--accent-cyan); }
.form-result.error { color: #ff5e5e; }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  position: relative;
  transform: translateY(20px);
  transition: all 0.3s ease;
  box-shadow: 0 30px 60px rgba(0,0,0,0.8);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Hero Section Redesigned */
.hero-section {
  padding: 140px 0 100px 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-bg-image {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('./images/hero-diagram.png') center/cover no-repeat;
  opacity: 0.4;
  mix-blend-mode: screen;
  z-index: 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to bottom, rgba(11, 14, 20, 0.4) 0%, var(--bg-main) 100%);
  z-index: 1;
}

.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  position: relative !important; 
  animation: none !important; 
  display: inline-flex !important; 
  margin-bottom: 25px; 
  top: 0 !important; 
  left: 0 !important;
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 35px;
  max-width: 600px;
}

.hero-benefits-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  width: 100%;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.benefit-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  text-align: left;
  transition: all 0.3s ease;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.15);
}

.benefit-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.benefit-icon i {
  font-size: 1.8rem;
  color: var(--accent-cyan);
}

.benefit-card h4 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.benefit-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .hero-benefits-row { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.2rem; }
  .nav-links a.nav-link { display: none; } /* En móviles ocultamos los links de texto, dejamos solo logo y botón */
}