:root {
--primary: #2ee6fc;
--primary-light: #7de3ff;
--primary-dark: #1d5a73;
--dark: #0a0e1a;
--dark-secondary: #1a1f2e;
--dark-tertiary: #252b3d;
--white: #ffffff;
--gray-light: #e1e8f0;
--gray-medium: #8b92a5;
--gray-dark: #4a5568;
--success: #10b981;
--warning: #f59e0b;
--error: #ef4444;
--gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
--gradient-bg: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 50%, var(--primary-dark) 100%);
--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
--shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
--shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
--shadow-primary: 0 4px 20px rgba(46, 230, 252, 0.3);
--border-radius: 16px;
--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
background: var(--dark);
color: var(--white);
line-height: 1.6;
overflow-x: hidden;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
width: 8px;
}

::-webkit-scrollbar-track {
background: var(--dark-secondary);
}

::-webkit-scrollbar-thumb {
background: var(--primary);
border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
background: var(--primary-light);
}

/* Partículas de fondo animadas */
.particles {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 1;
opacity: 0.1;
}

.particle {
position: absolute;
background: var(--primary);
border-radius: 50%;
animation: float 6s ease-in-out infinite;
}

@keyframes float {
0%, 100% { transform: translateY(0px) rotate(0deg); }
50% { transform: translateY(-20px) rotate(180deg); }
}

/* Navegación mejorada */
.nav {
position: fixed;
top: 0;
width: 100%;
background: rgba(26, 31, 46, 0.95);
backdrop-filter: blur(20px);
border-bottom: 1px solid rgba(46, 230, 252, 0.1);
z-index: 1000;
transition: var(--transition);
}

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

.logo {
font-size: 1.5rem;
font-weight: 800;
color: var(--primary);
text-decoration: none;
display: flex;
align-items: center;
gap: 0.5rem;
transition: var(--transition);
}

.logo:hover {
color: var(--primary-light);
transform: scale(1.05);
}

.nav-links {
display: flex;
list-style: none;
gap: 2rem;
align-items: center;
transition: var(--transition);
}

.nav-link {
color: var(--white);
text-decoration: none;
font-weight: 500;
padding: 0.5rem 1rem;
border-radius: 8px;
transition: var(--transition);
position: relative;
}

.nav-link::before {
content: '';
position: absolute;
bottom: 0;
left: 50%;
width: 0;
height: 2px;
background: var(--primary);
transform: translateX(-50%);
transition: var(--transition);
}

.nav-link:hover::before,
.nav-link.active::before {
width: 80%;
}

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

.nav-controls {
display: flex;
align-items: center;
gap: 1rem;
}

.mobile-menu-toggle {
background: none;
border: none;
color: var(--primary);
font-size: 1.2rem;
cursor: pointer;
padding: 0.5rem;
border-radius: 8px;
transition: var(--transition);
display: none;
}

.mobile-menu-toggle:hover {
background: rgba(46, 230, 252, 0.1);
color: var(--primary-light);
}

.lang-selector {
background: var(--dark-tertiary);
color: var(--white);
border: 1px solid rgba(46, 230, 252, 0.3);
border-radius: 8px;
padding: 0.5rem 1rem;
font-size: 0.9rem;
cursor: pointer;
transition: var(--transition);
}

.lang-selector:hover {
border-color: var(--primary);
background: rgba(46, 230, 252, 0.1);
}

/* Hero section mejorado */
.hero {
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
position: relative;
background: var(--gradient-bg);
padding: 0 2rem;
overflow: hidden;
}

.hero::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: radial-gradient(circle at 30% 20%, rgba(46, 230, 252, 0.3) 0%, transparent 50%),
radial-gradient(circle at 70% 80%, rgba(46, 230, 252, 0.2) 0%, transparent 50%);
animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
0% { opacity: 0.3; }
100% { opacity: 0.7; }
}

.hero-content {
text-align: center;
max-width: 800px;
position: relative;
z-index: 2;
}

.hero-title {
font-size: clamp(2.5rem, 6vw, 4.5rem);
font-weight: 900;
margin-bottom: 1.5rem;
background: var(--gradient-primary);
-webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent;
animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
font-size: 1.3rem;
color: var(--gray-light);
margin-bottom: 2rem;
animation: fadeInUp 1s ease-out 0.2s both;
max-width: 600px;
margin-left: auto;
margin-right: auto;
}

.hero-cta {
display: flex;
gap: 1rem;
justify-content: center;
flex-wrap: wrap;
animation: fadeInUp 1s ease-out 0.4s both;
}

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

.btn-primary {
background: var(--gradient-primary);
color: var(--dark);
box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 8px 32px rgba(46, 230, 252, 0.4);
}

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

.btn-secondary:hover {
background: var(--primary);
color: var(--dark);
transform: translateY(-2px);
}

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

/* Secciones */
.section {
padding: 4rem 2rem;
max-width: 1200px;
margin: 0 auto;
position: relative;
}

.section-title {
font-size: 3rem;
font-weight: 800;
text-align: center;
margin-bottom: 1rem;
background: var(--gradient-primary);
-webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent;
}

.section-subtitle {
font-size: 1.2rem;
color: var(--gray-medium);
text-align: center;
margin-bottom: 4rem;
max-width: 600px;
margin-left: auto;
margin-right: auto;
}

/* Servicios mejorados */
.services-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 2rem;
margin-top: 3rem;
}

.service-card {
background: rgba(26, 31, 46, 0.8);
border-radius: var(--border-radius);
padding: 2.5rem 2rem;
text-align: center;
border: 1px solid rgba(46, 230, 252, 0.1);
transition: var(--transition);
position: relative;
backdrop-filter: blur(10px);
overflow: hidden;
}

.service-card::before {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(46, 230, 252, 0.1), transparent);
transition: var(--transition);
}

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

.service-card:hover {
transform: translateY(-10px);
border-color: var(--primary);
box-shadow: var(--shadow-primary);
}

.service-icon {
font-size: 3rem;
color: var(--primary);
margin-bottom: 1.5rem;
display: inline-block;
padding: 1rem;
background: rgba(46, 230, 252, 0.1);
border-radius: 40%;
transition: var(--transition);
}

.service-card:hover .service-icon {
transform: scale(1.1) rotate(5deg);
background: rgba(46, 230, 252, 0.2);
}

.service-title {
font-size: 1.4rem;
font-weight: 700;
margin-bottom: 1rem;
color: var(--white);
}

.service-description {
color: var(--gray-light);
line-height: 1.6;
}

/* Sobre nosotros mejorado */
.about {
background: rgba(26, 31, 46, 0.5);
border-radius: var(--border-radius);
padding: 4rem;
margin: 4rem 0;
backdrop-filter: blur(10px);
border: 1px solid rgba(46, 230, 252, 0.1);
}

.about-content {
display: grid;
grid-template-columns: 1fr 300px;
gap: 3rem;
align-items: center;
}

.about-text {
font-size: 1.1rem;
line-height: 1.8;
color: var(--gray-light);
}

.about-text strong {
color: var(--primary);
}

.about-image {
text-align: center;
}

.about-image img {
max-width: 250px;
border-radius: 22px;
box-shadow: 0 6px 36px rgba(46, 230, 252, 0.47);
transition: var(--transition);
}

.about-image img:hover {
transform: scale(1.05);
}

/* Sección de programador */
.programmer {
background: rgba(26, 31, 46, 0.5);
border-radius: var(--border-radius);
padding: 4rem;
margin: 4rem 0;
backdrop-filter: blur(10px);
border: 1px solid rgba(46, 230, 252, 0.1);
}

.programmer-content {
display: grid;
grid-template-columns: 300px 1fr;
gap: 3rem;
align-items: center;
}

.programmer-image {
text-align: center;
}

.programmer-image img {
width: 250px;
height: 250px;
border-radius: 50%;
border: 4px solid var(--primary);
box-shadow: var(--shadow-primary);
transition: var(--transition);
object-fit: cover;
}

.programmer-image img:hover {
transform: scale(1.05);
}

.programmer-text {
font-size: 1.1rem;
line-height: 1.8;
color: var(--gray-light);
}

.programmer-text strong {
color: var(--primary);
}

.programmer-name {
font-size: 1.8rem;
font-weight: 700;
color: var(--primary);
margin-bottom: 1rem;
}

/* Testimonios mejorados */
.testimonials-container {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
gap: 2rem;
margin-top: 3rem;
}

.testimonial-card {
background: rgba(26, 31, 46, 0.8);
border-radius: var(--border-radius);
padding: 2rem;
border: 1px solid rgba(46, 230, 252, 0.1);
backdrop-filter: blur(10px);
transition: var(--transition);
position: relative;
}

.testimonial-card:hover {
transform: translateY(-5px);
border-color: var(--primary);
box-shadow: var(--shadow-md);
}

.testimonial-header {
display: flex;
align-items: center;
gap: 1rem;
margin-bottom: 1rem;
justify-content: space-between;
}

.testimonial-platform {
display: flex;
align-items: center;
gap: 0.5rem;
color: var(--primary);
font-weight: 600;
}

.testimonial-rating {
display: flex;
gap: 0.2rem;
}

.star {
color: #fbbf24;
font-size: 1rem;
}

.testimonial-user {
font-weight: 600;
color: var(--primary);
margin-bottom: 0.5rem;
}

.testimonial-text {
color: var(--gray-light);
line-height: 1.6;
}

/* Contacto mejorado */
.contact {
background: rgba(26, 31, 46, 0.3);
border-radius: var(--border-radius);
padding: 4rem;
margin: 4rem 0;
backdrop-filter: blur(10px);
border: 1px solid rgba(46, 230, 252, 0.1);
}

.contact-content {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 4rem;
}

.contact-info {
display: flex;
flex-direction: column;
gap: 2rem;
}

.contact-item {
display: flex;
align-items: center;
gap: 1rem;
padding: 1.5rem;
background: rgba(46, 230, 252, 0.05);
border-radius: var(--border-radius);
border: 1px solid rgba(46, 230, 252, 0.1);
transition: var(--transition);
}

.contact-item:hover {
background: rgba(46, 230, 252, 0.1);
border-color: var(--primary);
}

.contact-icon {
font-size: 1.5rem;
color: var(--primary);
}

.contact-details h4 {
color: var(--white);
margin-bottom: 0.5rem;
}

.contact-details p {
color: var(--gray-light);
}

.contact-form {
display: flex;
flex-direction: column;
gap: 1.5rem;
}

.form-group {
display: flex;
flex-direction: column;
gap: 0.5rem;
}

.form-label {
color: var(--white);
font-weight: 500;
}

.form-input,
.form-textarea {
padding: 1rem;
border: 1px solid rgba(46, 230, 252, 0.3);
border-radius: 8px;
background: rgba(26, 31, 46, 0.8);
color: var(--white);
font-size: 1rem;
transition: var(--transition);
backdrop-filter: blur(10px);
}

.form-input:focus,
.form-textarea:focus {
outline: none;
border-color: var(--primary);
box-shadow: 0 0 0 3px rgba(46, 230, 252, 0.1);
}

.form-textarea {
min-height: 120px;
resize: vertical;
}

/* Footer mejorado */
.footer {
background: var(--dark-secondary);
border-top: 1px solid rgba(46, 230, 252, 0.1);
padding: 3rem 2rem 1rem;
text-align: center;
}

.footer-content {
max-width: 1200px;
margin: 0 auto;
}

.footer-links {
display: flex;
justify-content: center;
gap: 2rem;
margin-bottom: 2rem;
}

.footer-link {
color: var(--primary);
text-decoration: none;
font-weight: 500;
transition: var(--transition);
}

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

.footer-bottom {
color: var(--gray-medium);
font-size: 0.9rem;
padding-top: 2rem;
border-top: 1px solid rgba(46, 230, 252, 0.1);
}

/* Animaciones de scroll */
.animate-on-scroll {
opacity: 0;
transform: translateY(30px);
transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
opacity: 1;
transform: translateY(0);
}

/* Efectos hover adicionales */
.glow-effect {
position: relative;
overflow: hidden;
}

.glow-effect::after {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
transition: left 0.5s;
}

.glow-effect:hover::after {
left: 100%;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
.services-grid {
grid-template-columns: 1fr;
gap: 1.5rem;
}

.about-content,
.programmer-content {
grid-template-columns: 1fr;
text-align: center;
gap: 2rem;
}

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

.section {
padding: 3rem 1rem;
}
}

@media (max-width: 768px) {
.mobile-menu-toggle {
display: block;
}

.nav-links {
position: absolute;
top: 100%;
left: 0;
width: 100%;
background: rgba(26, 31, 46, 0.98);
backdrop-filter: blur(20px);
flex-direction: column;
padding: 2rem;
gap: 1rem;
transform: translateY(-20px);
opacity: 0;
visibility: hidden;
transition: all 0.3s ease;
border-top: 1px solid rgba(46, 230, 252, 0.1);
}

.nav-links.active {
transform: translateY(0);
opacity: 1;
visibility: visible;
}

.hero-cta {
flex-direction: column;
align-items: center;
}

.hero-title {
font-size: 2.5rem;
}

.hero-subtitle {
font-size: 1.1rem;
}

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

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

.about,
.contact,
.programmer {
padding: 2rem 1.5rem;
}

.services-grid {
gap: 1rem;
}

.service-card {
padding: 2rem 1.5rem;
}

.testimonials-container {
grid-template-columns: 1fr;
gap: 1rem;
}

.about-image img,
.programmer-image img {
width: 180px;
height: 180px;
}

.nav-container {
padding: 1rem;
}
}

@media (max-width: 480px) {
.hero {
padding: 0 1rem;
}

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

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

.btn {
padding: 0.8rem 1.5rem;
font-size: 0.9rem;
}

.section {
padding: 2rem 1rem;
}

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

.about,
.contact,
.programmer {
padding: 1.5rem 1rem;
}

.service-card {
padding: 1.5rem 1rem;
}

.service-icon {
font-size: 2.5rem;
padding: 0.8rem;
}

.contact-item {
padding: 1rem;
}

.form-input,
.form-textarea {
padding: 0.8rem;
}

.nav-container {
padding: 0.8rem 1rem;
}

.logo {
font-size: 1.3rem;
}

.about-image img,
.programmer-image img {
width: 150px;
height: 150px;
}
}
/* Estilos para las opciones del selector de idioma */
.lang-selector option {
  background: var(--dark-secondary);
  color: var(--white);
  font-weight: 600;
  padding: 0.5rem;
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* Cambiar color cuando se selecciona o pasa el mouse */
.lang-selector option:hover,
.lang-selector option:checked {
  background: var(--primary);
  color: var(--dark);
}