:root {
  --color-primary-bg: #002246;
  --color-accent-orange: #e47d16;
  --color-accent-orange-hover: #c8680e;
  --color-text-light: #ccd3d9;
  --color-earth-brown: #6a4b35;
  --color-steel-blue: #526881;
  --color-slate-blue: #78889c;
  --color-muted-slate: #748494;
  --color-dark-charcoal: #34363c;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--color-primary-bg);
  color: var(--color-text-light);
  overflow-x: hidden;
}

/* Header Translúcido Estilo Apple */
.apple-glass-nav {
  background: rgba(4, 36, 68, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(116, 132, 148, 0.25);
}

/* Tarjetas Estilo Bento UI */
.bento-card {
  background-color: var(--color-dark-charcoal);
  border: 1px solid var(--color-muted-slate);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-orange);
  box-shadow: 0 20px 40px -15px rgba(228, 125, 22, 0.2);
}

/* Indicadores de Línea de Tiempo */
.timeline-dot {
  width: 14px;
  height: 14px;
  background-color: var(--color-accent-orange);
  border: 3px solid var(--color-primary-bg);
  box-shadow: 0 0 12px rgba(228, 125, 22, 0.8);
}

/* Selector de Pestañas de la Flota */
.fleet-tab-btn.active {
  background-color: var(--color-accent-orange);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(228, 125, 22, 0.4);
}