/* =============================================
    NEUMORPHISM SYSTEM - MODERN UI ENHANCEMENT
    ============================================= */

/* Variables para Neumorphism */
:root {
  /* Neumorphism - Tema Oscuro */
  --neuro-bg: #1a1a1a;
  --neuro-surface: #1e1e1e;
  --neuro-shadow-dark: rgba(0, 0, 0, 0.8);
  --neuro-shadow-light: rgba(255, 255, 255, 0.05);
  --neuro-shadow-inset-dark: rgba(0, 0, 0, 0.5);
  --neuro-shadow-inset-light: rgba(255, 255, 255, 0.1);
  
  /* Sombras Neumórficas */
  --neuro-shadow-sm: 
    6px 6px 12px var(--neuro-shadow-dark),
    -6px -6px 12px var(--neuro-shadow-light);
  --neuro-shadow-md: 
    10px 10px 20px var(--neuro-shadow-dark),
    -10px -10px 20px var(--neuro-shadow-light);
  --neuro-shadow-lg: 
    15px 15px 30px var(--neuro-shadow-dark),
    -15px -15px 30px var(--neuro-shadow-light);
  
  /* Sombras Internas (Presionado) */
  --neuro-inset-sm:
    inset 4px 4px 8px var(--neuro-shadow-inset-dark),
    inset -4px -4px 8px var(--neuro-shadow-inset-light);
  --neuro-inset-md:
    inset 8px 8px 16px var(--neuro-shadow-inset-dark),
    inset -8px -8px 16px var(--neuro-shadow-inset-light);
    
  /* Actualizar variables existentes */
  --shadow-sm: var(--neuro-shadow-sm);
  --shadow-md: var(--neuro-shadow-md);
  --shadow-lg: var(--neuro-shadow-lg);
  --card-bg: var(--neuro-surface);
  --light-bg: var(--neuro-surface);
}

/* Variables para Tema Claro */
[data-theme="light"] {
  --neuro-bg: #e8e8e8;
  --neuro-surface: #f0f0f0;
  --neuro-shadow-dark: rgba(163, 177, 198, 0.6);
  --neuro-shadow-light: rgba(255, 255, 255, 0.7);
  --neuro-shadow-inset-dark: rgba(163, 177, 198, 0.4);
  --neuro-shadow-inset-light: rgba(255, 255, 255, 0.5);
  
  --neuro-shadow-sm: 
    6px 6px 12px var(--neuro-shadow-dark),
    -6px -6px 12px var(--neuro-shadow-light);
  --neuro-shadow-md: 
    10px 10px 20px var(--neuro-shadow-dark),
    -10px -10px 20px var(--neuro-shadow-light);
  --neuro-shadow-lg: 
    15px 15px 30px var(--neuro-shadow-dark),
    -15px -15px 30px var(--neuro-shadow-light);
    
  --neuro-inset-sm:
    inset 4px 4px 8px var(--neuro-shadow-inset-dark),
    inset -4px -4px 8px var(--neuro-shadow-inset-light);
  --neuro-inset-md:
    inset 8px 8px 16px var(--neuro-shadow-inset-dark),
    inset -8px -8px 16px var(--neuro-shadow-inset-light);
}

/* =============================================
    BODY Y BACKGROUNDS NEUMORPHISM
    ============================================= */

body {
  background: var(--neuro-bg);
  background-image: 
    radial-gradient(circle at 25% 25%, var(--neuro-surface) 0%, transparent 70%),
    radial-gradient(circle at 75% 75%, var(--neuro-surface) 0%, transparent 70%);
  min-height: 100vh;
}

/* =============================================
    HEADER NEUMORPHISM
    ============================================= */

.header {
  background: var(--neuro-surface);
  backdrop-filter: blur(20px);
  box-shadow: var(--neuro-shadow-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-logo {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-sm);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.nav-logo:hover {
  box-shadow: var(--neuro-shadow-md);
  transform: translateY(-2px);
}

.nav-logo:active {
  box-shadow: var(--neuro-inset-sm);
  transform: translateY(0);
}

.nav-link {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-sm);
  border-radius: 25px;
  padding: 8px 16px;
  margin: 0 4px;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-link:hover {
  box-shadow: var(--neuro-shadow-md);
  transform: translateY(-2px);
  color: var(--primary-color);
}

.nav-link:active {
  box-shadow: var(--neuro-inset-sm);
  transform: translateY(0);
}

/* =============================================
    BUTTONS NEUMORPHISM
    ============================================= */

.btn {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-md);
  border: none;
  border-radius: 20px;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    transparent 50%, 
    rgba(0, 0, 0, 0.1) 100%);
  pointer-events: none;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: 
    var(--neuro-shadow-md),
    0 4px 15px rgba(0, 170, 255, 0.3);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--neuro-shadow-lg);
}

.btn-primary:hover {
  box-shadow: 
    var(--neuro-shadow-lg),
    0 8px 25px rgba(0, 170, 255, 0.4);
}

.btn:active {
  transform: translateY(-1px);
  box-shadow: var(--neuro-inset-sm);
}

.theme-toggle,
.cb-toggle {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-sm);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border: none;
}

.theme-toggle:hover,
.cb-toggle:hover {
  box-shadow: var(--neuro-shadow-md);
  transform: translateY(-2px);
}

.theme-toggle:active,
.cb-toggle:active {
  box-shadow: var(--neuro-inset-sm);
  transform: translateY(0);
}

/* =============================================
    CARDS NEUMORPHISM
    ============================================= */

.card,
.project-card {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-md);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.card::before,
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.2), 
    transparent);
}

.card:hover,
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--neuro-shadow-lg);
}

/* =============================================
    HERO SECTION NEUMORPHISM
    ============================================= */

.hero-content {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-lg);
  border-radius: 30px;
  padding: 3rem;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.hero-content::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, 
    transparent, 
    rgba(0, 170, 255, 0.1), 
    transparent);
  animation: heroRotate 20s linear infinite;
  pointer-events: none;
}

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

.profile-image {
  box-shadow: var(--neuro-shadow-lg);
  border-radius: 50%;
  transition: all 0.4s ease;
  position: relative;
}

.profile-image::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: conic-gradient(from 0deg, 
    var(--primary-color), 
    var(--primary-dark), 
    var(--primary-color));
  border-radius: 50%;
  z-index: -1;
  animation: profileGlow 4s ease-in-out infinite;
}

@keyframes profileGlow {
  0%, 100% { opacity: 0.7; transform: rotate(0deg); }
  50% { opacity: 1; transform: rotate(180deg); }
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: var(--neuro-shadow-lg);
}

/* =============================================
    SKILLS BARS NEUMORPHISM
    ============================================= */

.skill-item {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-sm);
  border-radius: 15px;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.skill-item:hover {
  box-shadow: var(--neuro-shadow-md);
  transform: translateY(-2px);
}

.skill-progress {
  background: var(--neuro-bg);
  box-shadow: var(--neuro-inset-sm);
  border-radius: 10px;
  height: 8px;
  position: relative;
  overflow: hidden;
}

.skill-progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
  border-radius: 10px;
  height: 100%;
  box-shadow: 
    0 0 10px rgba(0, 170, 255, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  position: relative;
}

.skill-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent);
  animation: skillShimmer 2s ease-in-out infinite;
}

@keyframes skillShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* =============================================
    EXPERIENCE CARDS NEUMORPHISM
    ============================================= */

.experience-item {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-md);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--primary-color);
}

.experience-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--primary-color), 
    transparent, 
    var(--primary-color));
}

.experience-item:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--neuro-shadow-lg);
}

.experience-header {
  background: var(--neuro-bg);
  box-shadow: var(--neuro-shadow-sm);
  border-radius: 15px;
  padding: 1rem;
  margin-bottom: 1rem;
}

/* =============================================
    CONTACT SECTION NEUMORPHISM
    ============================================= */

.contact-info {
  background: var(--neuro-surface);
  box-shadow: var(--neuro-shadow-lg);
  border-radius: 25px;
  padding: 2.5rem;
}

.contact-method {
  background: var(--neuro-bg);
  box-shadow: var(--neuro-shadow-sm);
  border-radius: 15px;
  padding: 1.5rem;
  margin: 1rem 0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.contact-method::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, 
    var(--primary-color), 
    var(--primary-dark));
  transition: width 0.3s ease;
}

.contact-method:hover::before {
  width: 8px;
}

.contact-method:hover {
  box-shadow: var(--neuro-shadow-md);
  transform: translateY(-3px);
}

/* =============================================
    MOBILE RESPONSIVE NEUMORPHISM
    ============================================= */

@media screen and (max-width: 768px) {
  :root {
    --neuro-shadow-sm: 
      4px 4px 8px var(--neuro-shadow-dark),
      -4px -4px 8px var(--neuro-shadow-light);
    --neuro-shadow-md: 
      6px 6px 12px var(--neuro-shadow-dark),
      -6px -6px 12px var(--neuro-shadow-light);
    --neuro-shadow-lg: 
      8px 8px 16px var(--neuro-shadow-dark),
      -8px -8px 16px var(--neuro-shadow-light);
  }

  .card, .project-card {
    padding: 1.5rem;
  }

  .hero-content {
    padding: 2rem;
  }
  
  .nav-link {
    margin: 2px;
    padding: 6px 12px;
  }
}

/* =============================================
    ACCESSIBILITY NEUMORPHISM
    ============================================= */

@media (prefers-reduced-motion: reduce) {
  .hero-content::before,
  .profile-image::before,
  .skill-progress-bar::after {
    animation: none !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --neuro-shadow-dark: rgba(0, 0, 0, 0.9);
    --neuro-shadow-light: rgba(255, 255, 255, 0.9);
  }
  
  [data-theme="light"] {
    --neuro-shadow-dark: rgba(0, 0, 0, 0.8);
    --neuro-shadow-light: rgba(255, 255, 255, 0.9);
  }
}