/* ==========================================================================
   DRONOPS HUB · Design System v2.0 (Operations Command Center)
   Aesthetic: Aerospace Precision, Glassmorphism, Deep Gradients & Micro-interactions
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Surface & Base */
  --bg-deep: #07090E;
  --bg-surface: #0E131F;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 56, 0.85);
  --bg-glass: rgba(14, 19, 31, 0.75);

  /* Borders & Highlights */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(23, 107, 181, 0.4);
  --border-active: #176BB5;

  /* Official Brand & Service Colors */
  --brand-blue: #176BB5;
  --brand-blue-hover: #1E82D9;
  --brand-gradient: linear-gradient(135deg, #176BB5 0%, #0F4A7D 100%);
  --brand-cyan: #38BDF8;

  --col-industrial: #FAAA2C;
  --col-industrial-glow: rgba(250, 170, 44, 0.25);
  
  --col-agronomia: #53AC47;
  --col-agronomia-glow: rgba(83, 172, 71, 0.25);

  --col-seguridad: #CF2026;
  --col-seguridad-glow: rgba(207, 32, 38, 0.25);

  --col-dronizacion: #498DCA;
  --col-dronizacion-glow: rgba(73, 141, 202, 0.25);

  /* Typography Colors */
  --text-main: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-highlight: #38BDF8;

  /* Fonts */
  --font-display: 'Orbitron', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Elevations & Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 10px 30px -5px rgba(23, 107, 181, 0.3);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Atmospheric Canvas */
.bg-ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.22;
  animation: floatOrb 22s infinite alternate ease-in-out;
}

.orb-primary {
  top: -10%;
  right: 15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #176BB5 0%, rgba(23,107,181,0) 70%);
}

.orb-accent {
  bottom: 10%;
  left: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #FAAA2C 0%, rgba(250,170,44,0) 70%);
  opacity: 0.12;
  animation-duration: 28s;
  animation-delay: -5s;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  mask-image: radial-gradient(circle at 50% 30%, black 40%, transparent 85%);
}

@keyframes floatOrb {
  0% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-40px) scale(1.08); }
  100% { transform: translateY(30px) scale(0.95); }
}

/* Header & Command Bar */
.hub-header {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 14px 36px;
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-badge-group {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.logo-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(23, 107, 181, 0.3) 0%, rgba(15, 74, 125, 0.1) 100%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 12px rgba(23, 107, 181, 0.4);
}

.brand-text-block h1 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-text-block .sub-tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-cyan);
  font-weight: 600;
}

.header-telemetry {
  display: flex;
  align-items: center;
  gap: 20px;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #10B981;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.btn-header-site {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-smooth);
}

.btn-header-site:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Main Layout */
.hub-content-wrapper {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 36px 80px;
  position: relative;
  z-index: 10;
}

/* Hero Command Stage */
.hero-command-stage {
  margin-bottom: 50px;
  background: linear-gradient(135deg, rgba(23, 107, 181, 0.12) 0%, rgba(14, 19, 31, 0.5) 100%);
  border: 1px solid rgba(23, 107, 181, 0.25);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.hero-command-stage::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.05));
  pointer-events: none;
}

.hero-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-cyan);
  background: rgba(56, 189, 248, 0.12);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-command-stage h2 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  background: linear-gradient(180deg, #FFFFFF 30%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-command-stage p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 820px;
  line-height: 1.6;
}

/* Architecture Quick Stats Pill */
.stats-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-unit {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-unit .stat-val {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

.stat-unit .stat-lbl {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Section Containers */
.hub-zone {
  margin-bottom: 56px;
}

.zone-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.zone-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.zone-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.1em;
}

.tag-blue { background: rgba(23, 107, 181, 0.2); color: var(--brand-cyan); border: 1px solid rgba(23,107,181,0.4); }
.tag-amber { background: rgba(250, 170, 44, 0.15); color: var(--col-industrial); border: 1px solid rgba(250,170,44,0.3); }
.tag-green { background: rgba(83, 172, 71, 0.15); color: var(--col-agronomia); border: 1px solid rgba(83,172,71,0.3); }

.zone-title-wrap h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-main);
}

/* Feature Spotlight Grid */
.primary-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 28px;
}

/* Precision Glass Cards */
.command-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: var(--transition-smooth);
}

.command-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-border-glow, var(--brand-blue));
  opacity: 0.8;
  transition: var(--transition-smooth);
}

.command-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 16px 36px -8px var(--card-shadow, rgba(23, 107, 181, 0.35));
}

.command-card:hover::before {
  height: 4px;
  opacity: 1;
  box-shadow: 0 0 12px var(--card-border-glow, var(--brand-blue));
}

.card-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.icon-box-tech {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--card-icon-bg, rgba(23, 107, 181, 0.15));
  border: 1px solid var(--card-icon-border, rgba(56, 189, 248, 0.25));
  color: var(--card-accent, var(--brand-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.command-card:hover .icon-box-tech {
  transform: scale(1.08);
}

.card-badge-status {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-sky {
  background: rgba(56, 189, 248, 0.15);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-amber {
  background: rgba(250, 170, 44, 0.15);
  color: #FAAA2C;
  border: 1px solid rgba(250, 170, 44, 0.3);
}

.card-body h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.card-body p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 28px;
}

.card-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.action-label-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.action-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--card-accent, var(--brand-cyan));
  transition: var(--transition-smooth);
}

.command-card:hover .action-trigger-btn {
  gap: 12px;
  filter: brightness(1.2);
}

/* Document & Assets Section (Bento Grid) */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 28px;
}

.library-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.library-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.library-header h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
  text-transform: uppercase;
}

.files-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
}

.file-row:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(4px);
}

.file-detail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.file-symbol-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

.file-texts .file-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-main);
}

.file-texts .file-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.file-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-file-action {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition-smooth);
}

.btn-file-view {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-file-view:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

.btn-file-download {
  background: linear-gradient(135deg, #176BB5 0%, #11538C 100%);
  color: #FFFFFF;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 2px 8px rgba(23, 107, 181, 0.3);
}

.btn-file-download:hover {
  background: linear-gradient(135deg, #1E82D9 0%, #176BB5 100%);
  box-shadow: 0 4px 14px rgba(23, 107, 181, 0.5);
  transform: translateY(-1px);
}

/* Footer */
.hub-footer-tech {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-deep);
  padding: 28px 36px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  position: relative;
  z-index: 10;
}

.hub-footer-tech span {
  font-family: var(--font-mono);
  color: var(--brand-cyan);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-command-stage h2 { font-size: 28px; }
  .primary-cards-grid, .library-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hub-header { padding: 12px 20px; }
  .hub-content-wrapper { padding: 24px 20px 60px; }
  .hero-command-stage { padding: 28px 24px; }
  .stats-strip { gap: 16px; }
  .command-card { padding: 24px; }
}

/* Componente Unificado: Botón Volver al Hub */
.btn-back-hub {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-back-hub:hover {
  background: rgba(23, 107, 181, 0.2);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--brand-cyan);
  transform: translateX(-3px);
}

.btn-back-hub svg {
  transition: var(--transition-smooth);
}

.btn-back-hub:hover svg {
  transform: translateX(-2px);
}