/* ===================================================
   Estilos personalizados - Capacitación Git & GitHub
   =================================================== */

:root {
  --primary-color: #0d6efd;
  --bg-gradient: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  --card-radius: 16px;
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
  background: var(--bg-gradient);
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
}

/* Header principal */
.hero-banner {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: white;
  border-radius: var(--card-radius);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
}

/* Tarjeta de perfil */
.profile-card {
  border: none;
  border-radius: var(--card-radius);
  background: #ffffff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
  overflow: hidden;
  height: 100%;
}

.profile-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Cabecera decorativa dentro de la card */
.profile-card-header {
  height: 70px;
  background: linear-gradient(135deg, #0d6efd 0%, #6610f2 100%);
  position: relative;
}

/* Foto o avatar */
.profile-avatar-container {
  margin-top: -45px;
  position: relative;
}

.profile-avatar {
  width: 90px;
  height: 90px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #ffffff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  background-color: #f1f5f9;
}

/* Badges de tecnologías y habilidades */
.tech-badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35em 0.65em;
  border-radius: 20px;
  background-color: #e2e8f0;
  color: #334155;
  margin: 2px;
  display: inline-block;
  transition: var(--transition-smooth);
}

.tech-badge:hover {
  background-color: #0d6efd;
  color: #ffffff;
}

/* Botones y enlaces sociales */
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #f8f9fa;
  color: #495057;
  text-decoration: none;
  transition: var(--transition-smooth);
  border: 1px solid #dee2e6;
}

.social-links a:hover {
  background-color: #0d6efd;
  color: #ffffff;
  border-color: #0d6efd;
}

/* Alerta informativa */
.local-warning {
  border-radius: 12px;
  border-left: 5px solid #ffc107;
}