/* ==========================================================================
   VARIABLES Y CONFIGURACIÓN GLOBAL
   ========================================================================== */
:root {
  --bg-color: #0b0d0e;
  --panel-bg: rgba(18, 22, 24, 0.75);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-light: rgba(255, 255, 255, 0.15);
  
  --accent-green: #a3ff12; /* Verde Neón Cyberpunk */
  --accent-glow: rgba(163, 255, 18, 0.4);
  
  --text-main: #e1e7ec;
  --text-muted: #6b7780;
  
  --font-mono: 'JetBrains Mono', monospace;
  --font-heading: 'Chakra Petch', sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-mono);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  /* Dificulta la selección de contenido sensible */
  user-select: none;
  -webkit-user-select: none;
}

/* ==========================================================================
   EFECTO DE LUZ AZUL EN EL CURSOR
   ========================================================================== */
#cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  
  background: radial-gradient(
    circle, 
    rgba(0, 240, 255, 0.25) 0%, 
    rgba(0, 119, 255, 0.1) 40%, 
    rgba(0, 0, 0, 0) 70%
  );
  
  will-change: transform, left, top;
  mix-blend-mode: screen;
}

/* Fondo con patrón de rejilla (Grid Tactical) */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  z-index: -1;
  pointer-events: none;
}

/* ==========================================================================
   NAVEGACIÓN
   ========================================================================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border-color);
  background: rgba(11, 13, 14, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  font-size: 0.75rem;
  letter-spacing: 1px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: bold;
}

.status-square {
  width: 8px;
  height: 8px;
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-main);
}

.nav-links .num {
  color: var(--accent-green);
}

.nav-status {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  position: relative;
}

.telemetry-top {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.status-opt {
  color: var(--accent-green);
  margin-top: 4px;
}

/* Widget Flotante "SYS_STATUS" */
.widget-status {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 200px;
  background: var(--panel-bg);
  border: 1px solid var(--border-light);
  padding: 0.75rem;
  font-size: 0.65rem;
}

.widget-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.4rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.stat-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: #1a2024;
  margin-top: 0.4rem;
}

.progress-bar .fill {
  height: 100%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Títulos y Tipografía */
.hero-content {
  text-align: center;
  margin: auto 0;
}

.section-tag {
  font-size: 0.75rem;
  color: var(--accent-green);
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 7.5rem);
  font-weight: 700;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.stroke-text {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.25);
}

/* EFECTO GLOW NEÓN */
.glow-text {
  color: var(--accent-green);
  text-shadow: 
    0 0 10px var(--accent-glow),
    0 0 30px var(--accent-glow),
    0 0 50px rgba(163, 255, 18, 0.2);
}

/* ==========================================================================
   ANIMACIÓN BOMBILLA DEFECTUOSA (FLICKER)
   ========================================================================== */
.flicker-effect {
  animation: faulty-bulb 3.5s infinite;
}

@keyframes faulty-bulb {
  0%, 100% {
    opacity: 1;
    text-shadow: 
      0 0 10px var(--accent-glow),
      0 0 30px var(--accent-glow),
      0 0 50px rgba(163, 255, 18, 0.2);
  }
  3% { opacity: 0.3; text-shadow: none; }
  6% { opacity: 1; text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--accent-glow); }
  7% { opacity: 0.1; text-shadow: none; }
  8% { opacity: 1; text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--accent-glow); }
  9% { opacity: 0.4; text-shadow: none; }
  10% { opacity: 1; text-shadow: 0 0 10px var(--accent-glow), 0 0 30px var(--accent-glow); }
  50% { opacity: 1; }
  52% { opacity: 0.2; text-shadow: none; }
  54% { opacity: 1; }
  55% { opacity: 0.3; text-shadow: none; }
  56% { opacity: 1; }
  85% { opacity: 1; }
  86% { opacity: 0.1; text-shadow: none; }
  87% { opacity: 1; }
}

.hero-desc {
  max-width: 600px;
  margin: 2rem auto 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CASE STUDY SECTION
   ========================================================================== */
.case-study-section {
  padding: 4rem 2rem;
  border-top: 1px solid var(--border-color);
}

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

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.accent-text {
  color: var(--accent-green);
}

.accent-dot {
  color: var(--accent-green);
}

/* Layout en Grilla (Panel + Imagen) */
.case-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
}

@media (max-width: 900px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
}

/* Panel de Datos estilo Terminal */
.data-column {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  font-size: 0.75rem;
}

.data-header, .data-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
}

.data-block {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.data-block .label {
  color: var(--text-muted);
  font-size: 0.65rem;
  letter-spacing: 1px;
}

.data-block .val {
  color: var(--text-main);
  font-weight: 500;
}

.off-text {
  color: var(--text-muted);
}

/* Contenedor de Imagen Cyberpunk */
.media-container {
  position: relative;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: #000;
}

.frame-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  z-index: 2;
  background: rgba(0, 0, 0, 0.6);
  padding: 2px 6px;
  border: 1px solid var(--border-color);
}

.media-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.85;
  filter: contrast(1.1) saturate(1.2);
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.media-container:hover img {
  opacity: 1;
}