/* ===================================
   ESTILOS GENERALES
   =================================== */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding-top: 90px;
  transition: background 0.4s, color 0.4s;
  overflow-x: hidden;
}

/* Tema oscuro */
body.dark {
  background: #020617;
  color: #ffffff;
}

/* Tema claro */
body.light {
  background: #f8fafc;
  color: #020617;
}

/* ===================================
   MODO ALTO CONTRASTE
   =================================== */
body.high-contrast {
  background: #000000 !important;
  color: #ffffff !important;
}

body.high-contrast * {
  border-color: #ffffff !important;
}

body.high-contrast .service-card,
body.high-contrast .testimonial-card,
body.high-contrast .faq-item {
  background: #1a1a1a !important;
  border: 2px solid #ffffff !important;
}

/* ===================================
   PRELOADER
   =================================== */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #020617;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  width: 200px;
  animation: pulse 1.5s ease-in-out infinite;
  margin-bottom: 20px;
}

/* Spinner de carga */
.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(59, 130, 246, 0.3);
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===================================
   BARRA DE PROGRESO
   =================================== */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  z-index: 10000;
  transition: width 0.1s;
}

/* ===================================
   NAVBAR
   =================================== */
#navbar {
  background: inherit;
  padding: 10px 0;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s;
  backdrop-filter: blur(10px);
}

.nav-controls {
  display: flex;
  gap: 15px;
  align-items: center;
}

/* Botones de control */
.lang-toggle,
.contrast-toggle {
  background: rgba(59, 130, 246, 0.1);
  border: 2px solid rgba(59, 130, 246, 0.3);
  color: inherit;
  padding: 8px 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.9rem;
  font-weight: 600;
}

.lang-toggle:hover,
.contrast-toggle:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-2px);
}

.logo-nav {
  width: 150px;
  transition: transform 0.3s;
}

.logo-nav:hover {
  transform: scale(1.05);
}

.menu-btn {
  background: none;
  border: none;
  font-size: 2.3rem;
  color: inherit;
  cursor: pointer;
  transition: transform 0.3s;
}

.menu-btn:hover {
  transform: rotate(90deg);
}

/* ===================================
   MENU LATERAL
   =================================== */
.side-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 260px;
  height: 100%;
  background: inherit;
  padding: 20px;
  transition: right 0.35s ease;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 20px rgba(0,0,0,0.3);
  backdrop-filter: blur(20px);
}

.side-menu.active {
  right: 0;
}

.menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 600;
}

.menu-header button {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: inherit;
  cursor: pointer;
  transition: transform 0.3s;
}

.menu-header button:hover {
  transform: rotate(90deg);
}

.menu-links {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
}

.menu-links li {
  margin: 20px 0;
  transform: translateX(-20px);
  opacity: 0;
  transition: all 0.3s;
}

/* Animación de entrada de items del menú */
.side-menu.active .menu-links li {
  transform: translateX(0);
  opacity: 1;
}

.side-menu.active .menu-links li:nth-child(1) { transition-delay: 0.1s; }
.side-menu.active .menu-links li:nth-child(2) { transition-delay: 0.2s; }
.side-menu.active .menu-links li:nth-child(3) { transition-delay: 0.3s; }
.side-menu.active .menu-links li:nth-child(4) { transition-delay: 0.4s; }
.side-menu.active .menu-links li:nth-child(5) { transition-delay: 0.5s; }
.side-menu.active .menu-links li:nth-child(6) { transition-delay: 0.6s; }
.side-menu.active .menu-links li:nth-child(7) { transition-delay: 0.7s; }
.side-menu.active .menu-links li:nth-child(8) { transition-delay: 0.8s; }
.side-menu.active .menu-links li:nth-child(9) { transition-delay: 0.9s; }
.side-menu.active .menu-links li:nth-child(10) { transition-delay: 1s; }

.menu-links a {
  text-decoration: none;
  color: inherit;
  font-size: 1.1rem;
  transition: all 0.3s;
  display: inline-block;
}

.menu-links a:hover {
  transform: translateX(10px);
  color: #3b82f6;
}

/* ===================================
   TOGGLE TEMA
   =================================== */
.theme-switch {
  margin-top: auto;
  display: flex;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  padding-top: 20px;
  font-weight: 500;
  transition: all 0.3s;
}

.theme-switch:hover {
  color: #3b82f6;
}

.theme-switch i {
  font-size: 1.5rem;
  transition: transform 0.5s;
}

body.light .theme-switch i {
  transform: rotate(180deg);
}

/* ===================================
   HERO
   =================================== */
.hero {
  padding: 80px 20px;
  background: linear-gradient(135deg, #020617, #0f172a);
  position: relative;
  overflow: hidden;
  min-height: 60vh;
  display: flex;
  align-items: center;
  opacity: 0;
  animation: heroFadeIn 0.8s ease forwards;
  animation-delay: 0.3s;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
  }
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.15), transparent 70%);
  z-index: 0;
}

/* Contenedor de partículas */
.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Partículas individuales */
.particle {
  position: absolute;
  background: rgba(59, 130, 246, 0.3);
  border-radius: 50%;
  animation: float 6s infinite ease-in-out;
  will-change: transform;
}

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-30px) translateX(20px); }
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  animation: fadeInUp 1s ease;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  animation: fadeInUp 1s ease 0.2s backwards;
  opacity: 0.9;
}

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

/* ===================================
   GLASSMORPHISM
   =================================== */
.glass-effect,
.glass-card {
  background: rgba(255, 255, 255, 0.05) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

body.light .glass-effect,
body.light .glass-card {
  background: rgba(255, 255, 255, 0.7) !important;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

/* ===================================
   GRADIENTES ANIMADOS
   =================================== */
.gradient-animated {
  background: linear-gradient(135deg, #1e293b, #0f172a, #1e293b);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===================================
   SECCIONES
   =================================== */
.section {
  padding: 90px 0;
  transition: all 0.3s;
}

.section-alt {
  background: rgba(0,0,0,0.1);
}

body.light .section-alt {
  background: rgba(0,0,0,0.03);
}

.section-img {
  max-width: 100%;
  width: 100%;
  height: auto;
  border-radius: 16px;
  transition: transform 0.5s, box-shadow 0.5s;
  object-fit: cover;
}

.section-img:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

/* ===================================
   SERVICIOS
   =================================== */
.service-card {
  background: rgba(59, 130, 246, 0.1);
  padding: 40px 30px;
  border-radius: 18px;
  margin: 15px 0;
  transition: all 0.4s;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.2), transparent);
  transition: left 0.5s;
}

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

.service-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: #3b82f6;
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.3);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
  transition: transform 0.3s;
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.service-card:hover .service-icon {
  transform: scale(1.2) rotate(5deg);
  animation: none;
}

.service-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.95rem;
  opacity: 0.8;
}

/* ===================================
   ESTADÍSTICAS
   =================================== */
.stats-section {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stat-card {
  text-align: center;
  padding: 30px;
  position: relative;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: #3b82f6;
  display: block;
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { text-shadow: 0 0 20px rgba(59, 130, 246, 0.5); }
  50% { text-shadow: 0 0 30px rgba(59, 130, 246, 0.8); }
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-top: 10px;
}

/* ===================================
   PORTAFOLIO
   =================================== */
.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  margin: 15px 0;
  cursor: pointer;
  height: 250px;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(59, 130, 246, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.1);
}

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

.portfolio-text {
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
}

/* ===================================
   TESTIMONIOS
   =================================== */
.testimonial-card {
  background: rgba(59, 130, 246, 0.1);
  padding: 30px;
  border-radius: 16px;
  margin: 20px 0;
  transition: transform 0.3s, opacity 0.5s;
  border-left: 4px solid #3b82f6;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-card:hover {
  transform: translateX(10px);
}

.testimonial-carousel {
  position: relative;
  overflow: hidden;
}

#testimonialContainer {
  transition: opacity 0.3s;
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.3);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  padding: 0;
}

.carousel-dot.active {
  background: #3b82f6;
  width: 30px;
  border-radius: 6px;
}

.carousel-dot:hover {
  background: #3b82f6;
  transform: scale(1.2);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.testimonial-author {
  font-weight: 600;
  color: #3b82f6;
}

.testimonial-rating {
  color: #fbbf24;
  margin-top: 10px;
}

/* ===================================
   FAQ
   =================================== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item:hover {
  background: rgba(59, 130, 246, 0.15);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 25px;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: inherit;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s;
}

.faq-question:hover {
  color: #3b82f6;
}

.faq-question i {
  font-size: 1.2rem;
  transition: transform 0.3s;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 25px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 25px 20px 25px;
}

.faq-answer p {
  margin: 0;
  line-height: 1.6;
  opacity: 0.9;
}

/* ===================================
   FORMULARIO
   =================================== */
.contact-form {
  background: rgba(59, 130, 246, 0.05);
  padding: 40px;
  border-radius: 16px;
  border: 2px solid rgba(59, 130, 246, 0.2);
}

body.light .contact-form {
  background: rgba(59, 130, 246, 0.03);
}

.contact-form .form-label {
  font-weight: 600;
  margin-bottom: 8px;
  color: inherit;
}

.contact-form .form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(59, 130, 246, 0.2);
  color: inherit;
  padding: 12px 15px;
  border-radius: 8px;
  transition: all 0.3s;
}

body.light .contact-form .form-control {
  background: rgba(255, 255, 255, 0.8);
  color: #020617;
}

.contact-form .form-control:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  color: inherit;
}

body.light .contact-form .form-control:focus {
  background: rgba(255, 255, 255, 1);
}

.contact-form select {
  cursor: pointer;
}

.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-form .invalid-feedback {
  display: none;
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 5px;
}

.contact-form .form-control.is-invalid {
  border-color: #ef4444;
}

.contact-form .form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

.contact-form .btn-primary {
  background: #3b82f6;
  border: none;
  padding: 15px;
  font-size: 1.1rem;
  font-weight: 600;
  transition: all 0.3s;
}

.contact-form .btn-primary:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.form-message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  display: none;
}

.form-message.success {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
  border: 2px solid #22c55e;
  display: block;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 2px solid #ef4444;
  display: block;
}

/* ===================================
   HORARIOS
   =================================== */
.schedule-card {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid rgba(59, 130, 246, 0.2);
}

.schedule-header {
  background: rgba(59, 130, 246, 0.2);
  padding: 30px;
  text-align: center;
}

.schedule-header i {
  font-size: 3rem;
  color: #3b82f6;
  margin-bottom: 10px;
}

.schedule-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.schedule-body {
  padding: 30px;
}

.schedule-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  margin-bottom: 10px;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 8px;
  transition: all 0.3s;
}

.schedule-row:hover {
  background: rgba(59, 130, 246, 0.15);
  transform: translateX(5px);
}

.schedule-row.inactive {
  opacity: 0.5;
}

.schedule-row .day {
  font-weight: 600;
  font-size: 1.1rem;
}

.schedule-row .time {
  color: #3b82f6;
  font-weight: 700;
  font-size: 1.1rem;
}

.schedule-footer {
  background: rgba(59, 130, 246, 0.05);
  padding: 20px 30px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.schedule-footer i {
  color: #3b82f6;
  font-size: 1.2rem;
}

.schedule-footer p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.8;
}

/* ===================================
   UBICACIÓN
   =================================== */
.location-info {
  padding: 30px;
  border-radius: 16px;
  background: rgba(59, 130, 246, 0.05);
  border: 2px solid rgba(59, 130, 246, 0.2);
}

.location-info h3 {
  margin-bottom: 25px;
  color: #3b82f6;
}

.location-item {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 8px;
  background: rgba(59, 130, 246, 0.05);
  transition: all 0.3s;
}

.location-item:hover {
  background: rgba(59, 130, 246, 0.15);
  transform: translateX(5px);
}

.location-item i {
  font-size: 1.5rem;
  color: #3b82f6;
  min-width: 25px;
}

.location-item strong {
  display: block;
  margin-bottom: 5px;
  color: #3b82f6;
}

.location-item p {
  margin: 0;
  opacity: 0.9;
}

.map-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* ===================================
   LIGHTBOX
   =================================== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s;
}

.lightbox.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.lightbox-content {
  max-width: 90%;
  max-height: 90%;
  text-align: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: zoomIn 0.3s;
}

@keyframes zoomIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.lightbox-caption {
  color: white;
  font-size: 1.2rem;
  margin-top: 20px;
  font-weight: 600;
}

/* ===================================
   CONFETI
   =================================== */
#confettiCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  display: none;
}

/* ===================================
   BOTÓN VOLVER ARRIBA
   =================================== */
.scroll-top-btn {
  position: fixed;
  bottom: 100px;
  right: 25px;
  width: 50px;
  height: 50px;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 1999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background: #2563eb;
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

/* ===================================
   REDES SOCIALES
   =================================== */
.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background: rgba(59, 130, 246, 0.2);
  border-radius: 50%;
  color: inherit;
  font-size: 1.3rem;
  transition: all 0.3s;
  border: 2px solid transparent;
}

.social-links a:hover {
  background: #3b82f6;
  color: white;
  transform: translateY(-5px) scale(1.1);
  border-color: #3b82f6;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: rgba(0,0,0,0.2);
  padding: 20px;
}

body.light .footer {
  background: rgba(0,0,0,0.05);
}

/* ===================================
   ANIMACIONES REVEAL
   =================================== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   WHATSAPP FLOTANTE
   =================================== */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  z-index: 2000;
  transition: transform 0.3s, box-shadow 0.3s;
  animation: bounce 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  color: #fff;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
  .hero {
    min-height: 50vh;
    padding: 60px 20px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .contact-form {
    padding: 25px;
  }
  
  .schedule-row {
    flex-direction: column;
    text-align: center;
    gap: 5px;
  }
  
  .lightbox-content img {
    max-height: 70vh;
  }
  
  .scroll-top-btn {
    bottom: 80px;
    right: 15px;
    width: 45px;
    height: 45px;
  }
  
  .nav-controls {
    gap: 10px;
  }
  
  .lang-toggle,
  .contrast-toggle {
    padding: 6px 10px;
    font-size: 0.8rem;
  }
  
  .section-img {
    max-width: 280px;
    margin: 0 auto;
  }
}