/* ============================================
   VARIABLES Y ESTILOS GLOBALES
   ============================================ */

:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --dark-bg: #0f172a;
  --light-bg: #f8fafc;
  --card-bg: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --border-color: #334155;
  --success-color: #10b981;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1f35 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   NAVEGACIÓN
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-title {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
  transition: var(--transition);
}

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

.hero {
  margin-top: 80px;
  padding: 4rem 2rem;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.profile-img {
  width: 300px;
  height: 300px;
  border-radius: 20px;
  object-fit: cover;
  border: 3px solid var(--primary-color);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
  transition: var(--transition);
  animation: float 3s ease-in-out infinite;
}

.profile-img:hover {
  transform: scale(1.05);
  box-shadow: 0 30px 80px rgba(99, 102, 241, 0.5);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.hero-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   BOTONES
   ============================================ */

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
}

/* ============================================
   SECCIONES
   ============================================ */

.section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-alt {
  background: rgba(30, 41, 59, 0.5);
}

.container {
  width: 100%;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::before {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

/* ============================================
   SECCIÓN SOBRE MÍ
   ============================================ */

.section-content {
  display: grid;
  gap: 2rem;
}

.section-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.interests {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.interests h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.interest-tag {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 0.75rem 1.5rem;
  border-radius: 20px;
  text-align: center;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.interest-tag:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
}

/* ============================================
   TIMELINE (EXPERIENCIA)
   ============================================ */

.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: auto;
  width: 48%;
  text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
  margin-right: 0;
  width: 48%;
  text-align: left;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border: 3px solid var(--dark-bg);
  border-radius: 50%;
  top: 0;
  z-index: 10;
  box-shadow: 0 0 0 10px rgba(99, 102, 241, 0.1);
}

.timeline-content {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
  transform: translateY(-5px);
}

.job-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.job-company {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.job-date {
  font-size: 0.9rem;
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.job-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.achievements {
  list-style: none;
  margin-top: 1rem;
}

.achievements li {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.achievements li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-color);
  font-weight: bold;
}

/* ============================================
   HABILIDADES
   ============================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.skill-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
  transform: translateY(-5px);
}

.skill-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-badge {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: default;
}

.skill-badge:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.05);
}

/* ============================================
   EDUCACIÓN
   ============================================ */

.education-list {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.education-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.education-item:hover {
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
  transform: translateY(-5px);
}

.education-icon {
  font-size: 2rem;
  display: flex;
  align-items: center;
}

.education-content h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.education-institution {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.education-date {
  color: var(--accent-color);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.education-status {
  color: var(--success-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.education-description {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.languages-section {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.languages-section h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.languages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.language-item {
  display: grid;
  gap: 0.75rem;
}

.language-item h4 {
  color: var(--text-primary);
  font-weight: 600;
}

.language-bar {
  height: 8px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  overflow: hidden;
}

.language-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 10px;
  transition: width 1s ease;
}

.language-level {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ============================================
   CONTACTO
   ============================================ */

.contact-section {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info h3,
.contact-cta h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.contact-items {
  display: grid;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.contact-icon {
  font-size: 1.5rem;
  min-width: 40px;
  text-align: center;
}

.contact-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.contact-item a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.contact-cta {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-cta p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: rgba(15, 23, 42, 0.95);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  text-align: center;
  color: var(--text-secondary);
  margin-top: 3rem;
}

.footer p {
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .profile-img {
    width: 250px;
    height: 250px;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    width: 100%;
    margin-left: 60px;
    margin-right: 0;
    text-align: left;
  }

  .timeline-marker {
    left: 20px;
  }

  .section-title {
    font-size: 2rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .interests-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 1rem;
  }

  .brand-name {
    font-size: 1.2rem;
  }

  .hero {
    padding: 2rem 1rem;
    margin-top: 60px;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .profile-img {
    width: 200px;
    height: 200px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 3rem 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-title::before {
    width: 40px;
  }

  .timeline-item {
    margin-bottom: 2rem;
  }

  .timeline-content {
    padding: 1.5rem;
  }

  .job-title {
    font-size: 1.1rem;
  }

  .education-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .languages-grid {
    grid-template-columns: 1fr;
  }

  .contact-item {
    gap: 1rem;
  }
}

/* ============================================
   ANIMACIONES
   ============================================ */

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}