/* ============================
   RESET & VARIABLES
=============================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colores principales - Modo Claro */
  --primary-color: #0066FF;
  --primary-light: #4D94FF;
  --primary-dark: #0047B3;
  --secondary-color: #00D9FF;
  --accent-color: #FF6B9D;

  /* Colores de fondo */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-tertiary: #E9ECEF;

  /* Colores de texto */
  --text-primary: #1A1D29;
  --text-secondary: #6C757D;
  --text-tertiary: #ADB5BD;

  /* Colores neutros */
  --dark-color: #0f1c2e;
  --light-color: #f5f7fa;
  --white-color: #ffffff;
  --gray-color: #6c757d;

  /* Gradientes premium */
  --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D9FF 100%);
  --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-dark: linear-gradient(135deg, rgba(15, 28, 46, 0.95) 0%, rgba(0, 0, 0, 0.9) 100%);

  /* Efectos y sombras */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --max-width: 1200px;
  --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  --box-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
  --glow-primary: 0 0 20px rgba(0, 102, 255, 0.3);
  --glow-secondary: 0 0 20px rgba(0, 217, 255, 0.3);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --backdrop-blur: blur(10px);
}

/* Modo Oscuro */
body.dark-mode {
  --bg-primary: #0B0E11;
  --bg-secondary: #151921;
  --bg-tertiary: #1F2937;

  --text-primary: #F9FAFB;
  --text-secondary: #D1D5DB;
  --text-tertiary: #9CA3AF;

  --primary-color: #3B82F6;
  --primary-light: #60A5FA;
  --secondary-color: #06B6D4;

  --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  --box-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.7);

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* ============================
   ESTILOS GLOBALES
=============================== */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Montserrat', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* Scroll Progress Bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 10000;
  transition: width 0.1s ease;
  box-shadow: var(--glow-primary);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white-color);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--box-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 1000;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--glow-primary), var(--box-shadow-lg);
}

/* ============================
   ENCABEZADO Y NAVEGACIÓN
=============================== */
.header {
  background: var(--gradient-dark);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  backdrop-filter: var(--backdrop-blur);
  transition: all var(--transition);
}

.header.scrolled {
  background: rgba(15, 28, 46, 0.98);
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

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

.logo img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-light);
  transition: transform var(--transition), box-shadow var(--transition);
}

.logo img:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--glow-primary);
}

.menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.menu li a {
  color: var(--white-color);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition);
}

.menu li a:hover,
.menu li a.active {
  color: var(--secondary-color);
}

.menu li a:hover::after,
.menu li a.active::after {
  width: 100%;
}

/* Dark Mode Toggle */
.theme-toggle {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition);
  backdrop-filter: var(--backdrop-blur);
  position: relative;
  width: 60px;
  height: 30px;
}

.theme-toggle:hover {
  background: var(--glass-border);
  box-shadow: var(--glow-primary);
}

.theme-toggle-slider {
  position: absolute;
  width: 22px;
  height: 22px;
  background: var(--gradient-primary);
  border-radius: 50%;
  transition: transform var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  left: 4px;
}

body.dark-mode .theme-toggle-slider {
  transform: translateX(30px);
  background: var(--gradient-secondary);
}

.theme-toggle i {
  font-size: 0.9rem;
  color: var(--white-color);
  z-index: 1;
  transition: opacity var(--transition);
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  color: var(--white-color);
  cursor: pointer;
  transition: transform var(--transition);
}

.menu-toggle:hover {
  transform: scale(1.1);
  color: var(--secondary-color);
}

/* ============================
   SECCIÓN HERO
=============================== */
.hero-video {
  position: relative;
  width: 100%;
  height: 100vh;
  padding-top: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0f1c2e 0%, #1a2332 100%);
}

.video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.4;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(4, 6, 8, 0.9) 0%, rgba(15, 28, 46, 0.85) 50%, rgba(0, 0, 0, 0.8) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
  color: var(--white-color);
  animation: fadeInUp 1s ease-out;
}

.profile-container {
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.profile-pic {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--white-color);
  box-shadow: 0 10px 40px rgba(0, 168, 232, 0.5), 0 0 60px rgba(0, 168, 232, 0.3);
  position: relative;
  transition: all var(--transition-slow);
}

.profile-container::after {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: 50%;
  border: 2px solid var(--secondary-color);
  animation: pulse 2s infinite;
  opacity: 0.7;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }

  50% {
    transform: scale(1.05);
    opacity: 0.3;
  }

  100% {
    transform: scale(1);
    opacity: 0.7;
  }
}

.profile-pic:hover {
  transform: scale(1.08) rotate(2deg);
  box-shadow: 0 15px 60px rgba(0, 168, 232, 0.7), 0 0 80px rgba(0, 168, 232, 0.5);
}

#typing-text {
  font-size: 3rem;
  margin-bottom: 1rem;
  white-space: nowrap;
  overflow: hidden;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #00D9FF 50%, #0066FF 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: shimmer 3s linear infinite;
  display: inline-block;
}

.hero-description {
  font-size: 1.3rem;
  margin-bottom: 3rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: var(--border-radius-lg);
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  letter-spacing: 0.5px;
  box-shadow: var(--box-shadow);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn i {
  transition: transform var(--transition);
}

.btn:hover i {
  transform: translateX(3px);
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--white-color);
  border: 2px solid var(--white-color);
  position: relative;
  z-index: 1;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.4s ease;
  z-index: -1;
  border-radius: var(--border-radius-lg);
}

.btn-secondary:hover {
  border-color: transparent;
  transform: translateY(-3px);
}

.btn-secondary:hover::before {
  width: 100%;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-icons a {
  color: var(--white-color);
  font-size: 1.5rem;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
}

.social-icons a:hover {
  transform: translateY(-5px) scale(1.1);
  background: var(--gradient-primary);
  color: var(--white-color);
  box-shadow: var(--glow-primary);
  border-color: transparent;
}

/* ============================
   SECCIONES GENERALES
=============================== */
.section {
  padding: 5rem 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section h2 {
  text-align: center;
  margin-bottom: 1rem;
  font-family: 'Poppins', sans-serif;
  font-size: 2.2rem;
  color: var(--dark-color);
  position: relative;
  display: inline-block;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
  border-radius: 3px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.container>p {
  margin-bottom: 3rem;
  margin-top: 1.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================
   EFECTO FADE-IN
=============================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   EXPERIENCIA PROFESIONAL
=============================== */
/* Experience Grid */
.experience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 3rem;
}

.experience-card {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--box-shadow);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.experience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0.8;
  transition: width var(--transition-slow);
}

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

.experience-card:hover::before {
  width: 100%;
  opacity: 0.05;
}

.experience-header {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.experience-header h4 {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
}

.experience-date {
  color: var(--primary-color);
  font-weight: 500;
  font-size: 0.95rem;
  display: inline-block;
}

.company-image {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin: 0 auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all var(--transition);
}

.company-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition);
}

.experience-card:hover .company-logo {
  transform: scale(1.1);
}

.experience-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.experience-body li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
}

.experience-body li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.1rem;
}

/* Education Section */
.education-container {
   display: flex;
   flex-direction: column;
   gap: 1.5rem;
   margin-top: 2.5rem;
  
}

.education-item {
   display: flex;
   align-items: center;
   gap: 1.5rem;
   padding: 1.5rem;
   background-color: var(--bg-primary);
   border: 1px solid var(--glass-border);
   border-left: 4px solid var(--primary-color);
   border-radius: var(--border-radius);
   box-shadow: var(--box-shadow);
   transition: all var(--transition);
  
}

.education-item:hover {
   transform: translateX(8px);
   box-shadow: var(--box-shadow-lg);
   border-left-color: var(--secondary-color);
  
}

.education-image {
   flex: 0 0 90px;
   width: 90px;
   height: 90px;
   border-radius: var(--border-radius);
   overflow: hidden;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
   display: flex;
   align-items: center;
   justify-content: center;
   background-color: var(--bg-secondary);
   padding: 0.75rem;
  
}

.university-logo {
   width: 100%;
   height: 100%;
   object-fit: contain;
  
}

.education-content {
   flex: 1;
   text-align: left;
  
}

.education-content strong {
   font-size: 1.15rem;
   color: var(--text-primary);
   display: block;
   margin-bottom: 0.5rem;
   font-weight: 600;
  
}

.institution {
   color: var(--text-secondary);
   font-style: italic;
   font-size: 0.95rem;
  
}

.education-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.education-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background-color: var(--white-color);
  border-left: 3px solid var(--primary-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.education-item:hover {
  transform: translateX(5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.education-image {
  flex: 0 0 80px;
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--white-color);
  padding: 8px;
}

.university-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.education-content {
  flex: 1;
}

.education-content strong {
  font-size: 1.1rem;
  color: var(--dark-color);
  display: block;
  margin-bottom: 0.3rem;
}

.institution {
  color: var(--gray-color);
  font-style: italic;
}

/* ============================
   GRIDS DE SERVICIOS Y PORTAFOLIO
=============================== */
.services-grid,
.portfolio-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.service-card {
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  z-index: 1;
  background-color: var(--bg-primary);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: height var(--transition-slow);
  z-index: -1;
}

.service-card:hover {
  transform: translateY(-15px);
  box-shadow: var(--box-shadow-lg), var(--glow-primary);
  border-color: var(--primary-color);
}

.service-card:hover::before {
  height: 100%;
}

.service-card i {
  font-size: 3.5rem;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  transition: all var(--transition);
  display: inline-block;
}

.service-card:hover i {
  transform: scale(1.2) rotate(5deg);
}

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

.portfolio-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.portfolio-item {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background-color: var(--bg-primary);
  box-shadow: var(--box-shadow);
  transition: all var(--transition-slow);
  position: relative;
  border: 1px solid var(--glass-border);
}

.portfolio-item a {
  display: block;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.portfolio-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow), filter var(--transition);
}

.portfolio-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.9);
}

.portfolio-info {
  padding: 1.5rem;
  text-align: left;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  position: relative;
}

.portfolio-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
}

.portfolio-info h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
  font-weight: 600;
}

.portfolio-info p {
  color: var(--text-secondary);
}

.portfolio-item:hover {
  transform: translateY(-12px);
  box-shadow: var(--box-shadow-lg), var(--glow-primary);
  border-color: var(--primary-color);
}

/* ============================
   CONTACTO
=============================== */
.contact-container {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 0;
}

.contact-info {
  flex: 1;
  min-width: 300px;
  text-align: left;
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.contact-info h2 {
  margin-bottom: 1.5rem;
  text-align: left;
}

.contact-info h2::after {
  left: 0;
  transform: none;
}

.contact-info>p {
  margin-bottom: 2rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.info-item:hover {
  transform: translateX(5px);
}

.info-item i {
  color: var(--white-color);
  font-size: 1.2rem;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  color: var(--dark-color);
  font-size: 1.3rem;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
}

.social-links a:hover {
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: var(--white-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-form {
  flex: 1;
  min-width: 300px;
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.contact-form .form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.contact-form label {
  margin-bottom: 0.5rem;
  font-weight: 500;
  display: block;
  color: var(--dark-color);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  font-family: 'Montserrat', sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.contact-form button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: var(--border-radius);
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: var(--white-color);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.contact-form button:hover {
  background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  transform: translateY(-3px);
}

/* ============================
   PIE DE PÁGINA
=============================== */
footer {
  background-color: var(--dark-color);
  color: var(--white-color);
  padding: 3rem 1rem 2rem;
  text-align: center;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 3rem;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-logo img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-bottom: 0.8rem;
  border: 2px solid var(--secondary-color);
}

.footer-logo h3 {
  margin-bottom: 0.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links li a {
  color: var(--white-color);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.3rem 0;
}

.footer-links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: width 0.3s ease;
}

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

.footer-links li a:hover::after {
  width: 100%;
}

.footer-social a {
  color: var(--white-color);
  margin: 0 0.8rem;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  color: var(--secondary-color);
  transform: translateY(-3px);
}

.footer-bottom {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ============================
   RESPONSIVIDAD
=============================== */
@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
  }

  .menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: rgba(15, 28, 46, 0.95);
    padding: 1.5rem 0;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  }

  .menu.show {
    display: flex;
  }

  .menu li {
    margin-bottom: 1rem;
    text-align: center;
  }

  .menu-toggle {
    display: block;
  }

  .timeline {
    padding-left: 35px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-icon {
    left: -25px;
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .education-item {
    flex-direction: column;
    text-align: center;
  }

  .education-image {
    margin: 0 auto 1rem;
  }

  .contact-container {
    flex-direction: column;
  }

  .section h2::after {
    width: 60px;
  }
}

@media (max-width: 480px) {
  #typing-text {
    font-size: 1.8rem;
  }

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

  .btn {
    padding: 0.7rem 1.2rem;
  }

  .profile-pic {
    width: 150px;
    height: 150px;
  }

  .section {
    padding: 3rem 1rem;
  }

  .section h2 {
    font-size: 1.8rem;
  }

  .timeline-content {
    padding: 1.5rem;
  }
}

/* Añadir estas reglas al final del archivo CSS */

/* Animaciones adicionales */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: 0% center;
  }

  100% {
    background-position: 200% center;
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 86, 179, 0.7);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(0, 86, 179, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 86, 179, 0);
  }
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0px);
  }
}

/* Efecto de cursor parpadeante */
.cursor-blink::after {
  content: '|';
  animation: blink 1s infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* Estilos para el header al hacer scroll */
.header.scrolled {
  background-color: rgba(15, 28, 46, 0.98);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Animación para las tarjetas de servicio */
.service-card.animate-in {
  animation: fadeInUp 0.6s forwards;
}

/* Animación para los elementos del portafolio */
.portfolio-item.animate-in {
  animation: fadeInUp 0.8s forwards;
}

/* Efecto de foco para los campos del formulario */
.form-group.focused label {
  color: var(--primary-color);
  font-size: 0.9rem;
  transform: translateY(-5px);
  transition: all 0.3s ease;
}

/* Efecto de hover para los botones sociales */
.social-icons a:hover i {
  animation: float 1s infinite ease-in-out;
}

/* Mejora visual para las imágenes del portafolio */
.portfolio-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 70%, rgba(0, 0, 0, 0.7) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.portfolio-item:hover::after {
  opacity: 1;
}

/* Reemplazar los estilos del timeline con estos nuevos estilos */