/**
 * AXOLOIT - Sistema de Diseño Dark/Tech Moderno
 * Inspirado en diseños AI/tech contemporáneos
 * Sin emojis - Código profesional
 */

/* Variables de diseño */
:root {
  /* Paleta oscura tecnológica */
  --ax-dark: #0A0E1A;
  --ax-dark-elevated: #141B2D;
  --ax-dark-card: #1A2235;
  --ax-primary: #00D9FF;
  --ax-secondary: #8B5CF6;
  --ax-accent: #06FFA5;
  --ax-text: #E4E7EB;
  --ax-text-muted: #94A3B8;
  --ax-text-dim: #64748B;
  --ax-border: rgba(148, 163, 184, 0.1);
  
  /* Gradientes */
  --ax-gradient-primary: linear-gradient(135deg, #00D9FF 0%, #8B5CF6 100%);
  --ax-gradient-accent: linear-gradient(135deg, #06FFA5 0%, #00D9FF 100%);
  --ax-gradient-dark: linear-gradient(180deg, #0A0E1A 0%, #141B2D 100%);
  
  /* Glow effects */
  --ax-glow-primary: 0 0 30px rgba(0, 217, 255, 0.3);
  --ax-glow-secondary: 0 0 30px rgba(139, 92, 246, 0.3);
  --ax-glow-accent: 0 0 20px rgba(6, 255, 165, 0.2);
  
  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-display: 'Inter', var(--font-sans);
  
  /* Escala tipográfica */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;
  --fs-5xl: 3.5rem;
  --fs-6xl: 4.5rem;
  
  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Bordes */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  
  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--ax-text);
  background-color: var(--ax-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 217, 255, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.05) 0px, transparent 50%);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ax-text);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--ax-text-muted);
}

a {
  color: var(--ax-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--ax-accent);
}

/* Utilidades */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.container-wide {
  max-width: 1440px;
}

.section {
  padding: var(--spacing-4xl) 0;
}

/* Navbar moderno */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--ax-border);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-lg);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--ax-text);
  text-decoration: none;
}

.navbar-logo {
  width: 32px;
  height: 32px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.navbar-link {
  color: var(--ax-text-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar-link:hover {
  color: var(--ax-text);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ax-gradient-primary);
  transition: width var(--transition-base);
}

.navbar-link:hover::after {
  width: 100%;
}

/* Botones modernos */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--ax-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--ax-gradient-primary);
  color: white;
  box-shadow: var(--ax-glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 217, 255, 0.4);
}

.btn-secondary {
  background: var(--ax-dark-elevated);
  color: var(--ax-text);
  border: 1px solid var(--ax-border);
}

.btn-secondary:hover {
  background: var(--ax-dark-card);
  border-color: var(--ax-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--ax-text);
  border: 1px solid var(--ax-border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--ax-primary);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--fs-base);
}

/* Hero section tech */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 1000px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ax-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  color: var(--ax-text-muted);
  margin-bottom: var(--spacing-xl);
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: var(--fs-6xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--ax-text) 0%, var(--ax-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--fs-xl);
  color: var(--ax-text-muted);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Cards con glassmorphism */
.card {
  background: rgba(26, 34, 53, 0.5);
  backdrop-filter: blur(20px);
  border: 1px solid var(--ax-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--ax-primary);
  box-shadow: var(--ax-glow-primary);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ax-gradient-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  color: white;
  font-size: var(--fs-2xl);
}

.card-title {
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--ax-text);
}

.card-description {
  color: var(--ax-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* Grid moderno */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Section headers */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--ax-primary);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: var(--fs-4xl);
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: var(--fs-lg);
  color: var(--ax-text-muted);
}

/* Stats/metrics */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl);
  background: rgba(26, 34, 53, 0.3);
  border: 1px solid var(--ax-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: var(--fs-4xl);
  font-weight: 700;
  background: var(--ax-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--ax-text-muted);
}

/* Feature showcase */
.feature-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.feature-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.feature-item {
  display: flex;
  gap: var(--spacing-lg);
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--ax-primary);
}

.feature-text h4 {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-xs);
}

.feature-text p {
  color: var(--ax-text-muted);
  font-size: var(--fs-sm);
}

.feature-image {
  background: rgba(26, 34, 53, 0.5);
  border: 1px solid var(--ax-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
}

/* CTA Section */
.cta-section {
  background: var(--ax-dark-elevated);
  border: 1px solid var(--ax-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Footer moderno */
.footer {
  background: var(--ax-dark-elevated);
  border-top: 1px solid var(--ax-border);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--fs-xl);
  font-weight: 700;
}

.footer-description {
  color: var(--ax-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.footer-section h6 {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-lg);
  color: var(--ax-text);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-link {
  color: var(--ax-text-muted);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--ax-primary);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--ax-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ax-text-dim);
  font-size: var(--fs-xs);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ax-border);
  border-radius: var(--radius-md);
  color: var(--ax-text-muted);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--ax-primary);
  color: var(--ax-primary);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-title { font-size: var(--fs-5xl); }
  .section-title { font-size: var(--fs-3xl); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .feature-showcase { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-title { font-size: var(--fs-4xl); }
  .section-title { font-size: var(--fs-2xl); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .navbar-menu { display: none; }
  .footer-content { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--spacing-md); }
}

/* Animaciones sutiles */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-glow {
  animation: glow 3s ease-in-out infinite;
}

/* Focus visible para accesibilidad */
*:focus-visible {
  outline: 2px solid var(--ax-primary);
  outline-offset: 2px;
}