/* ===================================
   NIARUX.COM - SITIO WEB PÚBLICO
   Basado en Panel Niarux (panel.css)
   Tema: Oscuro/Claro con Azul #0083A3
   =================================== */

/* ===================================
   VARIABLES CSS - TEMA OSCURO
   (Copiadas exactamente de panel.css)
   =================================== */
:root {
  /* Colores Tema Oscuro */
  --bg-primary: #0a1929;
  --bg-secondary: #132f4c;
  --bg-tertiary: #1a3a52;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #1e3a5f;
  
  /* Acentos Azul */
  --accent-primary: #0083A3;
  --accent-hover: #006b87;
  --accent-secondary: #00a8cc;
  --accent-light: rgba(0, 131, 163, 0.1);
  
  /* Estados */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
  
  /* Transiciones */
  --transition: 0.3s ease;
}

/* ===================================
   VARIABLES CSS - TEMA CLARO
   (Copiadas exactamente de panel.css)
   =================================== */
body.light {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ===================================
   RESET Y BASE
   (Copiado de panel.css)
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* ===================================
   HEADER (Adaptado del panel)
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.logo i {
  color: var(--accent-primary);
  font-size: 24px;
}

.logo:hover {
  color: var(--accent-primary);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  gap: 30px;
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: var(--transition);
  position: relative;
  padding: 8px 0;
}

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

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

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

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn-login {
  padding: 10px 24px;
  background: transparent;
  border: 2px solid var(--accent-primary);
  border-radius: 10px;
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-login:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
  padding: 140px 30px 100px 30px;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: visible;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, var(--accent-light) 0%, transparent 50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--text-primary);
  line-height: 1.2;
}

.hero-title span {
  color: var(--accent-primary);
}

.hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Botones (estilo panel.css) */
.btn-primary {
  padding: 16px 40px;
  background: var(--accent-primary);
  border: none;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  padding: 16px 40px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.btn-secondary:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ===================================
   SECTIONS
   =================================== */
.section {
  padding: 80px 30px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===================================
   SERVICES GRID (estilo stat-card del panel)
   =================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-primary);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

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

.service-icon {
  width: 70px;
  height: 70px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--accent-primary);
  color: white;
  transform: scale(1.1);
}

.service-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-description {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 15px;
}

/* ===================================
   FEATURES GRID
   =================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition);
}

.feature-item:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 24px;
  flex-shrink: 0;
}

.feature-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-content p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta {
  background: var(--accent-primary);
  border-radius: 20px;
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: 40px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.cta p {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-cta {
  padding: 20px 50px;
  background: white;
  border: none;
  border-radius: 12px;
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 30px 30px 30px;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-section h3 i {
  color: var(--accent-primary);
  font-size: 14px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--accent-primary);
  transform: translateX(5px);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero {
    padding: 100px 20px 60px 20px;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 16px;
  }
  
  .section {
    padding: 60px 20px;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .services-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .cta h2 {
    font-size: 28px;
  }
  
  .cta p {
    font-size: 16px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0 20px;
  }
  
  .hero-title {
    font-size: 28px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* ===================================
   UTILIDADES
   =================================== */
.text-center {
  text-align: center;
}

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

/* ===================================
   SCROLLBAR
   =================================== */
   html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 10px;
}

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