/* Variables CSS para colores consistentes */
:root {
  --color-primary: #f97316;
  --color-primary-dark: #ea580c;
  --color-secondary: #3b82f6;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;

  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #334155;

  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;

  --border-color: #475569;
  --border-focus: var(--color-primary);

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Reset y base */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
}

/* Gradientes personalizados */
.bg-gradient-main {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%);
}

.bg-gradient-card {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.bg-gradient-orange {
  background: linear-gradient(135deg, #f97316 0%, #dc2626 100%);
}

.bg-gradient-blue {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.bg-gradient-red {
  background: linear-gradient(135deg, #dc2626 0%, #f97316 100%);
}

.bg-gradient-purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
}

.bg-gradient-green {
  background: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
}

.bg-gradient-yellow {
  background: linear-gradient(135deg, #eab308 0%, #f97316 100%);
}

.bg-gradient-indigo {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

/* Animaciones */
.animate-fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-slide-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-slide-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.6s ease-out;
}

.hover-scale {
  transition: transform 0.3s ease;
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* Efectos de hover mejorados */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-glow {
  transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(249, 115, 22, 0.3);
}

/* Efectos de hover para tarjetas */
.service-card {
  transition: all 0.3s ease;
  border: 1px solid rgba(59, 130, 246, 0.3);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: rgba(249, 115, 22, 0.5);
  transform: translateY(-5px);
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(249, 115, 22, 0.1), transparent);
  transition: left var(--transition-slow);
}

.service-card:hover::before {
  left: 100%;
}

/* Spinner de carga */
.spinner {
  border: 2px solid #f3f3f3;
  border-top: 2px solid #f97316;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Estilos para formularios */
.form-input {
  background: rgba(51, 65, 85, 0.5);
  border: 1px solid #475569;
  color: white;
  transition: border-color 0.3s ease;
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
}

.form-input:focus {
  outline: none;
  border-color: #f97316;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-input::placeholder {
  color: #9ca3af;
}

.form-input:invalid {
  border-color: var(--color-error);
}

/* Alertas */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideInUp 0.3s ease-out;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-warning);
}

/* Navegación móvil */
.mobile-menu {
  display: none;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
}

.mobile-menu.active {
  display: block;
  transform: translateY(0);
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Mejoras de accesibilidad */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles para accesibilidad */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Estilos para botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #dc2626 100%);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-secondary);
  color: white;
}

/* Mejoras para el header */
header {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Estilos para loading states */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.1);
  border-radius: inherit;
}

/* Utilidades adicionales */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, #dc2626 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.backdrop-blur {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Mejoras para responsive design */
@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .text-4xl {
    font-size: 2rem;
  }

  .text-6xl {
    font-size: 2.5rem;
  }

  .py-20 {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .py-32 {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

/* Mejoras para impresión */
@media print {
  .no-print {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .bg-gradient-main,
  .bg-gradient-card {
    background: white !important;
  }
}

/* Estilos para modo de alto contraste */
@media (prefers-contrast: high) {
  :root {
    --border-color: #ffffff;
    --text-muted: #ffffff;
  }

  .service-card {
    border: 2px solid white;
  }
}

/* Estilos para usuarios que prefieren movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}