:root {
  --primary-color: #00ff88;
  --secondary-color: #ff0080;
  --accent-color: #0080ff;
  --background-dark: #0a0a0a;
  --background-light: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --text-muted: #888888;
  --border-color: #333333;
  --shadow-color: rgba(0, 255, 136, 0.1);
  --gradient-primary: linear-gradient(135deg, #00ff88, #00cc6a);
  --gradient-secondary: linear-gradient(135deg, #ff0080, #cc0066);
  --gradient-accent: linear-gradient(135deg, #0080ff, #0066cc);
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  --font-family-primary: 'Orbitron', 'Courier New', monospace;
  --font-family-secondary: 'Rajdhani', 'Arial', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: 'Inter', var(--font-family-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}
h1 { font-size: clamp(2rem, 1.6rem + 1.8vw, 3rem); }
h2 { font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.75rem); }
h4 { font-size: clamp(1.125rem, 1.05rem + 0.4vw, 1.4rem); }
h5 { font-size: clamp(1.0625rem, 1.02rem + 0.25vw, 1.25rem); }
h6 { font-size: 1rem; }
p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  max-width: 72ch;
}
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover {
  color: var(--secondary-color);
  text-shadow: 0 0 10px var(--primary-color);
}
/* Accesibilidad: foco visible coherente */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(0, 128, 255, 0.25);
  border-radius: var(--border-radius-md);
}
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--gradient-primary);
  color: var(--text-primary);
  border: none;
  border-radius: var(--border-radius-md);
  font-family: var(--font-family-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}
.btn:hover::before {
  left: 100%;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px var(--shadow-color);
}
.btn:active {
  transform: translateY(0);
}
/* Estados activos/disable genéricos */
.btn:disabled,
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: grayscale(20%);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}
.section {
  padding: var(--spacing-xxl) 0;
  position: relative;
}
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-sm);
}
.grid {
  display: grid;
  gap: var(--spacing-lg);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.flex {
  display: flex;
}
.flex-center {
  justify-content: center;
  align-items: center;
}
.flex-between {
  justify-content: space-between;
  align-items: center;
}
.flex-column {
  flex-direction: column;
}
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-accent { color: var(--accent-color); }
.bg-dark { background: var(--background-dark); }
.bg-light { background: var(--background-light); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--primary-color); }
  50% { box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color); }
}
.fade-in { animation: fadeIn 0.6s ease-out; }
.slide-in-left { animation: slideInLeft 0.6s ease-out; }
.slide-in-right { animation: slideInRight 0.6s ease-out; }
.pulse { animation: pulse 2s infinite; }
.glow { animation: glow 2s infinite; }

/* Microinteracción para el icono de misión */
.mission-icon {
  display: inline-block;
  transition: transform var(--transition-fast);
  will-change: transform;
}
.mission-icon:hover {
  transform: translateY(-2px) rotate(-6deg) scale(1.05);
}
.mission-icon:active {
  transform: translateY(0) rotate(0) scale(1);
}

/* Tarjetas y elementos elevables (si existen .card) */
.card {
  background: var(--background-light);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 2px 12px var(--shadow-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-fast);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--shadow-color);
  border-color: rgba(0, 255, 136, 0.25);
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .section {
    padding: var(--spacing-xl) 0;
  }
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
}
/* Respeto por reduce motion global adicional */
@media (prefers-reduced-motion: reduce) {
  .btn,
  .card,
  .mission-icon,
  .fade-in,
  .slide-in-left,
  .slide-in-right,
  .pulse,
  .glow {
    transition-duration: 0.01ms !important;
    animation: none !important;
    transform: none !important;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }
}
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--background-light);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}
::selection {
  background: var(--primary-color);
  color: var(--background-dark);
}
::-moz-selection {
  background: var(--primary-color);
  color: var(--background-dark);
}