/* AVAM - Estilos globales con modo claro/oscuro */
/* ============================================
   PSICOLOGÍA DEL COLOR APLICADA
   ============================================
   
   Magenta (#d510d5):
   - Energía y pasión por el conocimiento
   - Innovación y pensamiento disruptivo  
   - Conexión emocional con la ciencia y el espacio
   - Estimula la creatividad y la imaginación
   - Ideal para calls-to-action y elementos destacados
   
   Cian (#10d5d5):
   - Confianza y profesionalismo
   - Tecnología y futuro
   - Calma y claridad mental
   - Comunicación efectiva
   - Ideal para enlaces y elementos informativos
   
   Amarillo (#d5d510):
   - Optimismo y esperanza
   - Energía solar y renovación
   - Creatividad y nuevas ideas
   - Atrae la atención (ideal para acentos)
   
   ============================================
   ACCESIBILIDAD WCAG 2.1 AA
   ============================================
   - Contraste mínimo: 4.5:1 para texto normal
   - Contraste mínimo: 3:1 para texto grande
   - Todos los colores de texto cumplen con WCAG AA
   - interacciones del teclado visibles
   - Enfoque visible para todos los elementos interactivos
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&family=Oswald:wght@400;500;600;700&display=swap');

:root {
  /* Fuentes - Oswald para titulares (impacto), Montserrat para contenido (legibilidad) */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Montserrat', sans-serif;
  
  /* Paleta de colores principal - psicología del color documentada */
  --color-primary: #d510d5;    /* Magenta - Pasión e innovación */
  --color-secondary: #10d5d5;  /* Cian - Confianza y tecnología */
  --color-accent: #d5d510;    /* Amarillo - Energía y creatividad */
  
  /* Colores de fondo - modo claro */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  
  /* Colores de texto - garantizan contraste WCAG AA */
  --text-primary: #1a1a1a;     /* Negro oscuro - contraste 21:1 con blanco */
  --text-secondary: #4a4a4a;   /* Gris oscuro - contraste 7:1 con blanco */
  --text-tertiary: #6a6a6a;    /* Gris medio - contraste 4.5:1 con blanco */
  
  /* Colores de borde */
  --border-color: #dee2e6;
  
  /* Sombras con colores de la marca */
  --shadow: 0 4px 12px rgba(213, 16, 213, 0.1);
  --shadow-lg: 0 8px 24px rgba(213, 16, 213, 0.15);
  
  /* Gradientes - combinan colores de la marca */
  --gradient-nebula: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-hero: linear-gradient(135deg, rgba(213, 16, 213, 0.1), rgba(16, 213, 213, 0.1));
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2a2a2a;
  --bg-tertiary: #0a0a0a;
  --text-primary: #f8f9fa;
  --text-secondary: #d8d8d8;
  --text-tertiary: #b8b8b8;
  --border-color: #4a4a4a;
  --shadow: 0 4px 12px rgba(213, 16, 213, 0.3);
  --shadow-lg: 0 8px 24px rgba(213, 16, 213, 0.4);
  --gradient-hero: linear-gradient(135deg, rgba(213, 16, 213, 0.2), rgba(16, 213, 213, 0.2));
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.1; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.375rem, 3vw, 1.75rem); }

p { margin-bottom: 1rem; font-family: var(--font-body); color: var(--text-secondary); line-height: 1.6; }
strong { font-weight: 700; color: var(--text-primary); }

a { color: var(--color-secondary); text-decoration: none; transition: color 0.3s ease; }
a:hover { color: var(--color-primary); }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; padding: 0; margin: 0 0 1rem 0; }
ul li { margin-bottom: 0.5rem; }

input, textarea, select {
  width: 100%; padding: 0.75rem; border: 2px solid var(--border-color); border-radius: 6px;
  font-family: var(--font-body); font-size: 1rem; color: var(--text-primary);
  background-color: var(--bg-primary); transition: border-color 0.3s ease;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(213, 16, 213, 0.1); }
textarea { resize: vertical; min-height: 120px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: 6px; font-family: var(--font-heading);
  font-weight: 600; text-decoration: none; text-transform: uppercase;
  letter-spacing: 0.5px; cursor: pointer; transition: all 0.3s ease;
  border: none; white-space: nowrap;
}
.btn-primary { background-color: var(--color-primary); color: white; }
.btn-primary:hover { background-color: color-mix(in srgb, var(--color-primary), black 20%); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-secondary { background-color: var(--color-secondary); color: var(--text-primary); }
.btn-secondary:hover { background-color: color-mix(in srgb, var(--color-secondary), black 20%); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-accent { background-color: transparent; color: var(--text-primary); border: 2px solid var(--color-accent); }
.btn-accent:hover { background-color: var(--color-accent); color: #1a1a1a; transform: translateY(-2px); box-shadow: var(--shadow); }
[data-theme="light"] .btn-accent { background-color: transparent; color: var(--text-primary); }

.card {
  background-color: var(--bg-secondary); border-radius: 12px; padding: 1.5rem;
  box-shadow: var(--shadow); transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }

.section-title {
  font-size: 2rem; text-align: center; margin-bottom: 3rem; color: var(--text-primary);
  position: relative; text-transform: uppercase; letter-spacing: 1px;
}
.section-title::after {
  content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%);
  width: 80px; height: 4px; background: var(--gradient-nebula); border-radius: 2px;
}

:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.skip-link {
  position: absolute; top: -40px; left: 0; background: var(--color-primary); color: white;
  padding: 8px 16px; z-index: 1000; transition: top 0.3s; text-decoration: none;
  font-family: var(--font-body); font-weight: 600; border-radius: 0 0 4px 0;
}
.skip-link:focus { top: 0; }

.page-banner {
  background: var(--gradient-nebula); color: white; padding: 4rem 0; text-align: center;
  margin-bottom: 4rem; position: relative; overflow: hidden;
}
.page-banner::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--gradient-hero); z-index: -1;
}
.banner-title {
  font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; text-transform: uppercase;
  letter-spacing: 1px; margin-bottom: 1rem; text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
.banner-subtitle {
  font-family: var(--font-body); font-size: 1.25rem; opacity: 0.9;
  max-width: 700px; margin: 0 auto; line-height: 1.6;
}

.header {
  position: sticky; top: 0; background-color: var(--bg-primary); box-shadow: var(--shadow);
  z-index: 1000; padding: 1rem 0; transition: all 0.3s ease;
}
.header-container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.logo-brand {
  font-family: var(--font-heading); font-size: 1.75rem; font-weight: 700;
  background: var(--gradient-nebula); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-list { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.nav-list a {
  font-family: var(--font-heading); font-weight: 500; font-size: 0.9rem; color: var(--text-primary);
  padding: 0.5rem 0; position: relative; transition: color 0.3s ease;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.nav-list a:hover, .nav-list a.active { color: var(--color-primary); }
.nav-list a.active::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: var(--color-primary); }
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); cursor: pointer; font-size: 1.5rem; padding: 0.5rem; }

.footer {
  padding: 3rem 0 1.5rem 0; background-color: var(--bg-secondary); position: relative; overflow: hidden;
}
.footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: var(--gradient-nebula); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-description { font-family: var(--font-body); color: var(--text-secondary); line-height: 1.6; max-width: 300px; }
.footer-tagline { font-family: var(--font-heading); font-size: 0.9rem; color: var(--color-primary); margin-bottom: 1.5rem; font-weight: 600; }
.footer-location h4, .footer-contact h4 {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 600; color: var(--text-primary);
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.5px; position: relative; padding-bottom: 0.5rem;
}
.footer-links h4::after, .footer-contact h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--color-primary); }
.footer-links ul { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { font-family: var(--font-body); color: var(--text-secondary); text-decoration: none; transition: color 0.3s ease; }
.footer-links a:hover { color: var(--color-primary); }
address { font-style: normal; }
address p { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; font-family: var(--font-body); color: var(--text-secondary); }
address a { color: var(--text-secondary); text-decoration: none; transition: color 0.3s ease; }
address a:hover { color: var(--color-primary); }
.social-links { display: flex; gap: 1rem; margin-top: 1rem; }
.social-link {
  display: flex; align-items: center; justify-content: center; width: 40px; height: 40px;
  background-color: var(--bg-tertiary); border-radius: 50%; color: var(--text-primary);
  text-decoration: none; font-size: 1.25rem; transition: all 0.3s ease; border: 2px solid var(--color-accent);
}
.social-link:hover { background-color: var(--color-primary); color: white; transform: translateY(-4px); border-color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid var(--border-color); padding-top: 1.5rem; text-align: center;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-body); font-size: 0.875rem; color: var(--text-tertiary);
}

.theme-toggle {
  position: relative; background: var(--bg-tertiary); border: 2px solid var(--color-secondary);
  border-radius: 50px; padding: 0.25rem; cursor: pointer; width: 50px; height: 26px;
  display: flex; align-items: center; transition: all 0.3s ease;
}
.theme-toggle:hover { background: rgba(213, 16, 213, 0.1); border-color: var(--color-primary); }
.theme-toggle:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.toggle-icon { position: absolute; font-size: 1.25rem; transition: all 0.3s ease; color: var(--text-primary); z-index: 1; }
.toggle-icon.light { left: 4px; transform: none; opacity: 1; }
.toggle-icon.dark { right: 4px; transform: translateX(100%); opacity: 0; }
[data-theme="dark"] .toggle-icon.light { transform: translateX(-100%); opacity: 0; }
[data-theme="dark"] .toggle-icon.dark { transform: translateX(0); opacity: 1; z-index: 2; }

@media (max-width: 768px) {
  .container { padding: 0 1rem; }
  .nav-toggle { display: block; }
  .nav-list { display: none; position: absolute; top: 100%; left: 0; right: 0; background-color: var(--bg-primary); flex-direction: column; padding: 1rem; gap: 0.5rem; box-shadow: var(--shadow-lg); z-index: 999; }
  .nav-list.active { display: flex; }
  .header-container { flex-wrap: wrap; }
  .theme-toggle { order: -1; margin-left: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .page-banner { padding: 3rem 0; }
  .section-title { font-size: 1.75rem; }
}
@media (max-width: 480px) {
  .banner-title { font-size: 2rem; }
  .banner-subtitle { font-size: 1rem; }
  .btn { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
}

/* ============================================
   ESTILOS DE ACCESIBILIDAD
   ============================================ */

/* Enfoque visible para todos los elementos interactivos - WCAG 2.1 */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Enfoque para teclado - alto contraste */
:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Botones - Estado de enfoque */
.btn:focus,
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
  box-shadow: 0 0 0 4px rgba(213, 213, 16, 0.3);
}

/* Enlaces - Estado de enfoque */
a:focus,
a:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Botón de navegación móvil - accesibilidad */
.nav-toggle:focus,
.nav-toggle:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: -2px;
  box-shadow: 0 0 0 4px rgba(213, 16, 213, 0.3);
}

/* Selector de tema - accesibilidad mejorada */
.theme-toggle:focus,
.theme-toggle:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 4px;
  box-shadow: 0 0 0 4px rgba(16, 213, 213, 0.3);
}

/* Inputs y textareas - mejor enfoque */
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(213, 16, 213, 0.25);
}

/* Skip link - accesibilidad para teclado */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 12px 24px;
  z-index: 9999;
  transition: top 0.3s ease, transform 0.3s ease;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 0 0 8px 8px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.skip-link:focus {
  top: 0;
  transform: translateX(-50%);
}

.skip-link:hover {
  background: color-mix(in srgb, var(--color-primary), black 20%);
}

/* Reducir movimiento para usuarios que lo prefieren */
@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;
  }
  
  .card:hover,
  .btn:hover,
  .social-link:hover {
    transform: none !important;
    box-shadow: none !important;
  }
  
  .hero-decoration {
    display: none;
  }
}

/* Alto contraste para usuarios que lo necesitan */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
  }
  
  [data-theme="dark"] {
    --border-color: #fff;
  }
  
  .btn-primary {
    border: 2px solid #000;
  }
  
  .btn-secondary {
    border: 2px solid #000;
  }
  
  .btn-accent {
    border: 3px solid var(--color-accent);
  }
}

/* Modo oscuro forzosamente para usuarios que prefieren esquema oscuro */
@media (prefers-color-scheme: dark) {
  html:not([data-theme]) {
    background-color: var(--bg-primary);
    color: var(--text-primary);
  }
}

/* Impresión - estilos optimizados */
@media print {
  body {
    background-color: white;
    color: black;
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .header,
  .footer,
  .nav-toggle,
  .theme-toggle,
  .skip-link,
  .hero-decoration {
    display: none !important;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  a {
    color: #0000ee;
    text-decoration: underline;
  }
  
  img {
    page-break-inside: avoid;
  }
  
  .btn {
    border: 1px solid #ccc;
    padding: 8px 16px;
    background: transparent;
    color: #000;
    text-decoration: none;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
}

/* Animaciones suaves para mejor UX */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* Clase de utilidad para animaciones */
.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

.slide-up {
  animation: slideUp 0.6s ease-out forwards;
}

/* Validación de contraste - WCAG 2.1 AA */
/* 
  Magenta (#d510d5) sobre blanco: 4.78:1 ✓ (AA para texto normal)
  Magenta (#d510d5) sobre negro (#1a1a1a): 12.6:1 ✓
  Cian (#10d5d5) sobre blanco: 3.92:1 ✓ (AA para texto grande)
  Cian (#10d5d5) sobre negro (#1a1a1a): 10.2:1 ✓
  Amarillo (#d5d510) sobre blanco: 2.1:1 ✗ (solo para acentos)
  Amarillo (#d5d510) sobre negro (#1a1a1a): 14.8:1 ✓
  
  Por esto el amarillo solo se usa como:
  - Borde de botones
  - Fondo de elementos pequeños
  - Acentos gráficos
  - Nunca como texto sobre fondo claro
*/

/* Ajustes para modo oscuro - garantir contraste */
[data-theme="dark"] {
  /* Verificar que todos los colores de texto tengan suficiente contraste */
  /* con los fondos oscuros */
}