/* ===== VARIABLES CSS ===== */
:root {
  --primary-blue: #3b82f6;
  --primary-purple: #8b5cf6;
  --success-green: #10b981;
  --warning-orange: #f59e0b;
  --danger-red: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.1);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
}

/* ===== FUENTE BASE ===== */
* { 
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; 
}

/* ===== GRADIENTE DEL HEADER ===== */
.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* ===== DIVIDER ELEGANTE ===== */
.section-divider {
  height: 2px; 
  margin: 1rem 0 1.25rem;
  background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
  border-radius: 1px;
}

/* ===== TÍTULOS DE SECCIÓN ===== */
.section-title {
  display: flex; 
  align-items: center; 
  gap: .5rem;
  font-size: 1.25rem; 
  font-weight: 700; 
  color: #1f2937;
  margin-bottom: 1rem;
}
/* ===== BOTONERA FLOTANTE ===== */
.print-button {
  position: fixed; 
  top: 20px; 
  right: 20px; 
  z-index: 1000;
  display: flex;
  gap: 0.5rem;
}

.btn-primary,
.btn-success {
  padding: 0.5rem 1rem; 
  border-radius: 0.5rem; 
  color: #fff;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1); 
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
  font-weight: 500;
  transform: translateZ(0); /* Optimización GPU */
}

.btn-primary { 
  background: #2563eb; 
}
.btn-primary:hover { 
  background: #1d4ed8; 
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.3);
}

.btn-success { 
  background: #16a34a; 
}
.btn-success:hover { 
  background: #15803d; 
  transform: translateY(-5px);
  box-shadow: 0 12px 28px rgba(22, 163, 74, 0.3);
}

.btn-primary:active, 
.btn-success:active {
  transform: translateY(0);
}

/* ===== TARJETAS REUTILIZABLES ===== */
.card {
  background: #fff; 
  border-radius: .75rem;
  padding: 1.25rem;
  box-shadow: 0 4px 14px rgba(24,24,27,.06);
  transition: var(--transition-smooth);
}

.card.bordered { 
  border: 1px solid #e5e7eb; 
}

.hover-lift { 
  transition: var(--transition-smooth);
  will-change: transform;
  backface-visibility: hidden;
}

.hover-lift:hover { 
  transform: translateY(-4px); 
  box-shadow: var(--shadow-hover);
}
.card.border-l-4 {
  margin-bottom: .25rem;
  padding: 2rem;
}
/* ===== CONTACTO MEJORADO ===== */
.contact-chip {
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: .5rem;
  background: #fff; 
  border-radius: .75rem; 
  padding: .5rem .75rem;
  border: 1px solid #e5e7eb;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.contact-chip:hover { 
  box-shadow: 0 6px 18px rgba(0,0,0,.08); 
  transform: translateY(-1px);
  border-color: var(--primary-blue);
}

.contact-icon { 
  color: #667eea; 
  transition: var(--transition-smooth);
}

.contact-icon:hover {
  transform: scale(1.1);
  color: var(--primary-blue) !important;
}

/* Efectos para copiar */
.cursor-pointer {
  cursor: pointer;
}

.cursor-pointer:hover {
  transform: scale(1.02);
}

/* ===== BADGES ===== */
.badge-blue, .badge-purple, .badge, .level-green, .level-blue {
  padding: .25rem .5rem; 
  border-radius: 9999px; 
  font-size: .75rem; 
  font-weight: 600;
  transition: var(--transition-fast);
}

.badge-blue   { background: #dbeafe; color: #1e40af; }
.badge-purple { background: #f3e8ff; color: #6b21a8; }
.level-green  { background: #dcfce7; color: #166534; }
.level-blue   { background: #dbeafe; color: #1e40af; }

.badge-blue:hover, .badge-purple:hover, .level-green:hover, .level-blue:hover {
  transform: scale(1.05);
}
/* ===== LISTAS CON BULLETS PERSONALIZADOS ===== */
.list-bullets { 
  color: #374151; 
  display: grid; 
  gap: .5rem; 
  margin-top: .5rem; 
}

.list-bullets li { 
  display: grid; 
  grid-template-columns: auto 1fr; 
  gap: .5rem; 
  align-items: start;
  transition: var(--transition-fast);
}

.list-bullets li::before {
  content: "•"; 
  color: #22c55e; 
  font-weight: 700; 
  line-height: 1;
  font-size: 1.2em;
}

.list-bullets li:hover {
  color: #1f2937;
  transform: translateX(2px);
}

/* ===== NUBE DE TECNOLOGÍAS ===== */
.tech-cloud { 
  display: flex; 
  flex-wrap: wrap; 
  gap: .5rem; 
  margin-top: .75rem; 
}

.tech-cloud > span {
  background: #f3f4f6; 
  color: #374151; 
  border-radius: 9999px; 
  padding: .25rem .5rem; 
  font-size: .75rem;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.tech-cloud > span:hover {
  background: #e5e7eb;
  border-color: var(--primary-blue);
  transform: translateY(-1px);
}
/* ===== TARJETAS DE CERTIFICACIÓN MEJORADAS ===== */
.cert-card {
  display: flex; 
  align-items: center; 
  gap: .75rem;
  background: #fff; 
  border: 1px solid #e5e7eb; 
  border-radius: .75rem; 
  padding: 1rem;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s;
}

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

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.gradient-blue   { background: linear-gradient(135deg, #eff6ff, #dbeafe); border-color: #93c5fd; }
.gradient-green  { background: linear-gradient(135deg, #ecfdf5, #d1fae5); border-color: #6ee7b7; }
.gradient-purple { background: linear-gradient(135deg, #f5f3ff, #ede9fe); border-color: #c4b5fd; }
.gradient-orange { background: linear-gradient(135deg, #fff7ed, #ffedd5); border-color: #fb923c; }

/* Enlaces en certificaciones */
.cert-card a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition-fast);
}

.cert-card a:hover {
  border-bottom-color: currentColor;
  transform: translateX(2px);
}

/* Efectos de grupo para certificaciones */
.group:hover .fas.fa-arrow-right {
  transform: translateX(4px);
  transition: transform 0.2s ease;
}

/* ===== TARJETAS DE SKILLS MEJORADAS ===== */
.skill-card { 
  background: #fff; 
  border: 1px solid #e5e7eb; 
  border-radius: .75rem; 
  padding: 1.25rem;
  transition: var(--transition-smooth);
  will-change: transform;
}

.skill-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.skill-card h3 { 
  font-weight: 600; 
  color: #1f2937; 
  margin-bottom: .5rem; 
}

.skill-icon {
  width: 3rem; 
  height: 3rem; 
  border-radius: .5rem; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  margin-bottom: .5rem;
  transition: var(--transition-fast);
}

.skill-card:hover .skill-icon {
  transform: scale(1.1) rotate(5deg);
}

.pill-row { 
  display: flex; 
  flex-wrap: wrap; 
  gap: .5rem; 
}

.pill-row span {
  background: #eef2ff; 
  color: #3730a3; 
  padding: .25rem .5rem; 
  border-radius: 9999px; 
  font-size: .75rem; 
  font-weight: 600;
  transition: var(--transition-fast);
}

.pill-row span:hover {
  background: #e0e7ff;
  transform: scale(1.05);
}
/* ===== SOFT SKILLS TARJETAS MEJORADAS ===== */
.soft-card {
  display: grid; 
  place-items: center; 
  gap: .25rem;
  background: #fff; 
  border: 1px solid #e5e7eb; 
  border-radius: .75rem; 
  padding: 1rem;
  transition: var(--transition-smooth);
  cursor: default;
}

.soft-card i { 
  font-size: 1.25rem; 
  transition: var(--transition-fast);
}

.soft-card p { 
  font-size: .875rem; 
  font-weight: 600; 
  color: #1f2937; 
}

.soft-card:hover { 
  transform: translateY(-3px) rotate(2deg); 
  box-shadow: 0 8px 22px rgba(0,0,0,.08);
}

.soft-card:hover i {
  transform: scale(1.2);
}

.soft-card.blue   i { color: #2563eb; }
.soft-card.green  i { color: #16a34a; }
.soft-card.purple i { color: #7c3aed; }
.soft-card.orange i { color: #ea580c; }
.soft-card.red    i { color: #dc2626; }
.soft-card.yellow i { color: #ca8a04; }
.soft-card.indigo i { color: #4f46e5; }
.soft-card.pink   i { color: #db2777; }

/* ===== ANIMACIONES MEJORADAS ===== */
.animate-fade-in { 
  animation: fadeInUp .6s ease-out forwards; 
}

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

/* Estados de carga */
body:not(.loaded) .animate-fade-in {
  opacity: 0;
  transform: translateY(20px);
}

body.loaded .animate-fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
/* ===== FEEDBACK VISUAL ===== */
.bg-green-50 {
  background-color: #f0fdf4 !important;
  border-color: #22c55e !important;
}

/* ===== ACCESIBILIDAD ===== */
*:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== ENLACES MEJORADOS ===== */
a {
  transition: var(--transition-smooth);
}

a:hover {
  text-decoration-thickness: 2px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 640px) {
  .print-button {
    position: fixed;
    top: 10px;
    right: 10px;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .btn-primary, .btn-success {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  
  .skill-card, .cert-card {
    padding: 1rem;
  }
  
  .section-title {
    font-size: 1.125rem;
  }
  
  .cert-card {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .pill-row {
    justify-content: center;
  }
}

/* Dispositivos táctiles */
@media (hover: none) and (pointer: coarse) {
  .hover-lift:hover,
  .skill-card:hover,
  .cert-card:hover,
  .soft-card:hover {
    transform: none;
  }
  
  .cursor-pointer {
    cursor: default;
  }
}

/* ===== IMPRESIÓN MEJORADA ===== */
@page { 
  size: A4; 
  margin: 14mm; 
}

.avoid-break { 
  break-inside: avoid; 
}

@media print {
  .no-print, .print-button { 
    display: none !important; 
  }
  
  .gradient-bg { 
    -webkit-print-color-adjust: exact !important; 
    print-color-adjust: exact !important; 
    background: #4a5568 !important;
    color: white !important;
  }
  
  .shadow-2xl, .shadow-lg, .shadow-md, .hover-lift { 
    box-shadow: none !important; 
  }
  
  a { 
    color: #000 !important; 
    text-decoration: none !important; 
  }
  
  /* Mostrar URLs de certificados */
  .cert-card a::after {
    content: " (" attr(href) ")";
    font-size: 0.75rem;
    color: #6b7280;
  }
  
  .cert-card, .skill-card, .card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
  
  /* Optimizar espaciado para impresión */
  .p-8 {
    padding: 1rem !important;
  }
  
  .mb-8 {
    margin-bottom: 1rem !important;
  }
  
  .gap-6 {
    gap: 0.5rem !important;
  }
  
  /* Tamaños de fuente para impresión */
  h1 { font-size: 24px !important; } 
  h2 { font-size: 18px !important; } 
  h3 { font-size: 16px !important; } 
  h4 { font-size: 14px !important; }
  
  body {
    font-size: 12px !important;
    line-height: 1.4 !important;
  }
  
  /* Evitar cortes de página en elementos importantes */
  h2, h3 {
    page-break-after: avoid;
    break-after: avoid;
  }
  
  /* Optimizar colores para impresión */
  .text-blue-600, .text-green-600, .text-purple-600 {
    color: #374151 !important;
  }
}

/* ===== SMOOTH SCROLL ===== */
html {
  scroll-behavior: smooth;
}

/* ===== OPTIMIZACIONES DE RENDIMIENTO ===== */
.card, .skill-card, .cert-card, .soft-card {
  will-change: transform;
  backface-visibility: hidden;
}

/* ===== DARK MODE SUPPORT (Opcional) ===== */
@media (prefers-color-scheme: dark) {
  /* Mantener colores originales para CV profesional */
  body {
    color-scheme: light;
  }
}