/* =========================
   VARIABLES - TEMA EN ESCALA DE GRISES
========================= */
:root {
  /* Colores base - Tema en escala de grises */
  --color-bg: #f8f9fa;           /* Fondo gris muy claro */
  --color-surface: #ffffff;      /* Superficie blanca */
  --color-text: #212529;         /* Texto casi negro */
  --color-text-muted: #6c757d;   /* Texto gris medio */
  --color-border: #dee2e6;       /* Borde gris claro */
  --color-primary: #495057;      /* Gris oscuro para primario */
  --color-primary-hover: #212529; /* Gris más oscuro para hover */
  --color-secondary: #e9ecef;    /* Fondo gris muy suave */
  --color-accent: #6c757d;       /* Gris para acentos */
  
  /* Tipografía - Palatino y fuentes serif similares */
  --font-sans: "Palatino Linotype", "Book Antiqua", Palatino, serif;
  --font-mono: "SF Mono", "Roboto Mono", monospace;
  
  /* Espaciado */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Bordes */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Sombras en escala de grises */
  --shadow-sm: 0 1px 2px 0 rgba(33, 37, 41, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(33, 37, 41, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(33, 37, 41, 0.1);
}

/* =========================
   RESET Y ESTILOS BASE
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(73, 80, 87, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(108, 117, 125, 0.05) 0%, transparent 50%);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all 0.2s ease;
  font-weight: 500;
}

a:hover {
  color: var(--color-primary-hover);
  transform: translateY(-1px);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* =========================
   LAYOUT PRINCIPAL
========================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--space-2xl) 0;
}

/* =========================
   COMPONENTES REUTILIZABLES
========================= */

/* Tarjetas */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

/* Secciones */
.section {
  margin-bottom: var(--space-2xl);
}

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  position: relative;
  padding-bottom: var(--space-sm);
}

/* =========================
   HEADER Y PERFIL
========================= */
.site-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.profile {
  text-align: center;
  max-width: 400px;
  margin: 0 auto;
  position: relative;
}

.profile-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto var(--space-lg);
  border: 4px solid var(--color-primary);
  padding: 4px;
  background: var(--color-surface);
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(73, 80, 87, 0.2);
  transition: all 0.3s ease;
}

.profile-avatar:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 28px rgba(73, 80, 87, 0.3);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.profile-name {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.profile-title {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.profile-summary {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    background: var(--color-surface); /* Cambiado de secondary a surface */
    padding: var(--space-xl); /* Cambiado de lg a xl para coincidir con .card */
    border-radius: var(--radius-lg);
    /* border-left: 4px solid var(--color-primary); */ /* Eliminado */
    /* position: relative; */ /* Eliminado si no es necesario */
    width: 100%;
    margin-top: var(--space-lg); /* Añadido para separación */
}

/* Para quitar la franja superior doble cuando se combina con .card */
.card.profile-summary::before {
    content: ''; /* Mantiene la franja superior de .card */
}

/* =========================
   PIE DE PÁGINA
========================= */
.site-footer {
  text-align: center;
  padding: var(--space-xl) 0;
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  background: var(--color-secondary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-md);
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.footer-links a:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(73, 80, 87, 0.3);
}

/* =========================
   BOTONES Y ENLACES MEJORADOS
========================= */
.btn-primary {
  display: inline-block;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(73, 80, 87, 0.3);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(73, 80, 87, 0.4);
  color: white;
}

/* =========================
   CLASE COMÚN PARA ELEMENTOS DE LISTA INTERACTIVOS
========================= */
.interactive-item {
  display: block;
  margin-bottom: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.interactive-item:last-child {
  margin-bottom: 0;
}

.interactive-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md);
  text-decoration: none;
  color: var(--color-text);
  width: 100%;
  height: 100%;
  transition: all 0.2s ease;
}

.interactive-item:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
  background: linear-gradient(90deg, var(--color-secondary), var(--color-surface));
  box-shadow: var(--shadow-md);
}

.interactive-item a:hover {
  color: var(--color-primary);
}

.interactive-item .icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.interactive-item:hover .icon {
  color: var(--color-primary);
  transform: scale(1.1);
}

/* Línea decorativa (opcional) */
.interactive-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.interactive-item:hover::before {
  opacity: 1;
}

/* =========================
   CLASE COMÚN PARA ETIQUETAS (HABILIDADES, HERRAMIENTAS, ETC.)
========================= */
.common-tag {
  background: var(--color-secondary);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  border: 1px solid var(--color-border);
  transition: all 0.2s ease;
  font-weight: 500;
  display: inline-flex; /* Cambiado de inline-block a inline-flex */
  align-items: center; /* Centra verticalmente */
  justify-content: center; /* Centra horizontalmente */
  text-align: center; /* Asegura centrado en múltiples líneas */
  line-height: 1.3; /* Mejor control de interlineado */
  word-break: break-word; /* Permite que palabras largas se dividan */
  white-space: normal; /* Permite múltiples líneas */
  min-height: 2em; /* Altura mínima para mantener consistencia */
}

.common-tag:hover {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  color: white;
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 4px 8px rgba(73, 80, 87, 0.3);
  border-color: transparent;
}

/* =========================
   UTILIDADES
========================= */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

/* Gradientes */
.gradient-text {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

/* Sombras mejoradas */
.shadow-subtle {
  box-shadow: 0 4px 12px rgba(73, 80, 87, 0.15);
}

.shadow-prominent {
  box-shadow: 0 8px 24px rgba(73, 80, 87, 0.2);
}

/* Bordes animados */
.animated-border {
  position: relative;
  border: 2px solid transparent;
  background: linear-gradient(var(--color-surface), var(--color-surface)) padding-box,
              linear-gradient(90deg, var(--color-primary), var(--color-accent)) border-box;
  border-radius: var(--radius-lg);
}

/* =========================
   RESPONSIVE COMÚN
========================= */
@media (max-width: 768px) {
  .interactive-item a {
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-sm);
  }
  
  .interactive-item .icon {
    font-size: 1.125rem;
    width: 20px;
  }
}

@media (max-width: 480px) {
  .interactive-item a {
    flex-direction: column;
    text-align: center;
    gap: var(--space-xs);
  }
    .common-tag {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    min-height: 1.8em; /* Ajuste específico para móvil */
    line-height: 1.2;
  }
}