/* ============================================
   Variables y Tema
   ============================================ */
:root {
  /* Colores principales */
  --color-primary: #FFD93D;        /* Amarillo vibrante */
  --color-primary-dark: #FFC107;   /* Amarillo oscuro */
  --color-secondary: #6BCFEF;      /* Celeste */
  --color-secondary-dark: #4DB8E8; /* Celeste oscuro */
  --color-accent: #FF6B9D;         /* Rosa acento */
  
  /* Fondos */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFB;
  --bg-tertiary: #FFF9E6;          /* Amarillo muy suave */
  --bg-card: #FFFFFF;
  --bg-highlight: #E3F7FD;         /* Celeste muy suave */
  
  /* Textos */
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-muted: #718096;
  --text-light: #A0AEC0;
  
  /* Bordes y sombras */
  --border-color: #E2E8F0;
  --border-color-light: #EDF2F7;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-primary: 0 8px 24px rgba(255, 217, 61, 0.3);
  --shadow-secondary: 0 8px 24px rgba(107, 207, 239, 0.3);
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Tamaños */
  --max-width: 1200px;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  
  /* Tipografía */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

/* ============================================
   Reset y Base
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, #FFF9E6 0%, #FFFFFF 50%, #E3F7FD 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

/* ============================================
   Utilidades
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============================================
   Header y Navegación
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color-light);
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-md);
  gap: var(--spacing-md);
}

.brand {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease;
}

.brand:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.brand-text {
  position: relative;
  z-index: 1;
}

.nav-links {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.nav-links a {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

@media (max-width: 768px) {
  .nav-links {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .nav-links a {
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: var(--spacing-2xl) 0;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .hero-image {
    order: -1;
  }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.hero-description strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-experience {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 2px solid var(--color-primary);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Profile Card */
.profile-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.profile-img {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  border: 4px solid var(--color-primary);
  box-shadow: var(--shadow-xl);
  transition: transform 0.3s ease;
}

.profile-img:hover {
  transform: scale(1.02);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  border: 2px solid var(--color-secondary);
  border-radius: 50px;
  box-shadow: var(--shadow-md);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.status-dot {
  width: 10px;
  height: 10px;
  background: #10B981;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--text-primary);
  box-shadow: var(--shadow-primary);
  border-color: var(--color-primary-dark);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 217, 61, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-secondary);
  background: var(--bg-highlight);
  transform: translateY(-2px);
  box-shadow: var(--shadow-secondary);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

/* ============================================
   Sections
   ============================================ */
section {
  padding: var(--spacing-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.service-list {
  list-style: none;
  padding: 0;
}

.service-list li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.service-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 1.25rem;
}

/* ============================================
   Tech Stack Section
   ============================================ */
.tech-stack {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl) var(--spacing-md);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.tech-category {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.tech-category h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.tech-icons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--spacing-md);
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 2px solid var(--border-color-light);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

.tech-item:hover {
  transform: translateY(-4px);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-secondary);
}

.tech-item i {
  font-size: 2.5rem;
}

.tech-item span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

/* AWS Services */
.aws-services {
  background: linear-gradient(135deg, #FF9900 0%, #FF6B00 100%);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.aws-services h4 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.aws-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.aws-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255, 255, 255, 0.95);
  color: #FF6B00;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.aws-badge:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

/* ============================================
   Experience Section
   ============================================ */
.experience-content {
  max-width: 900px;
  margin: 0 auto;
}

.experience-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.experience-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.experience-period {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-highlight);
  border: 2px solid var(--color-secondary);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.experience-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.experience-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.highlight-item {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius);
}

.highlight-item strong {
  display: block;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.highlight-item p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.6;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-highlight) 100%);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl) var(--spacing-md);
}

.contact-card {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.contact-card h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.contact-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.contact-methods {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.contact-info {
  padding-top: var(--spacing-lg);
  border-top: 2px solid var(--border-color-light);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.contact-info strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 2px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--text-secondary);
}

.footer p {
  margin: var(--spacing-xs) 0;
}

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

.footer-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-secondary);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  :root {
    --spacing-2xl: 2.5rem;
    --spacing-xl: 2rem;
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
    min-height: auto;
  }
  
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .profile-img {
    max-width: 240px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .experience-highlights {
    grid-template-columns: 1fr;
  }
  
  .contact-methods {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .tech-icons {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .tech-item {
    padding: var(--spacing-sm);
  }
  
  .tech-item i {
    font-size: 2rem;
  }
}

/* ============================================
   Animaciones
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-card,
.tech-category,
.experience-card {
  animation: fadeInUp 0.6s ease-out;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .hero-cta,
  .contact-methods,
  .footer {
    display: none;
  }
  
  body {
    background: white;
  }
  
  .section {
    page-break-inside: avoid;
  }
}