* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, #0d1b2a 100%);
  min-height: 100vh;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
}
.lang-switcher {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 4px;
  display: flex;
  gap: 4px;
}
.lang-switcher button {
  background: transparent;
  border: none;
  color: #a0b4d0;
  padding: 0.4rem 0.8rem;
  border-radius: 16px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}
.lang-switcher button.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
}
/* Mejora de accesibilidad para navegación con teclado */
button:focus-visible, a:focus-visible {
  outline: 2px solid #ffd700;
  outline-offset: 2px;
}

.container {
  max-width: 580px;
  width: 100%;
  text-align: center;
  opacity: 0;
  animation: fadeInUp 0.8s 0.2s ease-out forwards;
}
.logo {
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(90deg, #ffd700, #ffaa00);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: -1px;
}
.tagline {
  font-size: 1.1rem;
  color: #a0b4d0;
  margin-bottom: 2.5rem;
}
.hero-text {
  font-size: 1.3rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  color: #e0e8f0;
}
.hero-text strong {
  color: #ffd700;
}
.call-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #0a1628;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 1.2rem 2.5rem;
  border-radius: 60px;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(255, 170, 0, 0.3);
  transition: all 0.3s ease;
  margin-bottom: 2rem;
}
.call-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 170, 0, 0.4);
}
.call-btn svg {
  width: 28px;
  height: 28px;
}
.phone-display {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffd700;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
}
.sub-text {
  color: #a0b4d0;
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}
.feature {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 1.2rem;
  text-align: center;
}
.feature-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.feature-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: #e0e8f0;
}
.feature-desc {
  font-size: 0.8rem;
  color: #a0b4d0;
  margin-top: 0.3rem;
}
.trust-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}
.trust-badge span:last-child {
  font-size: 0.85rem;
  color: #a0b4d0;
}
.footer {
  font-size: 0.8rem;
  color: #8a9fb8;
  margin-top: 2rem;
}
.footer a {
  color: #a0b4d0;
  text-decoration: none;
}
.footer small:last-of-type {
  margin-top: 8px;
  display: inline-block;
}
/* Para ocultar visualmente pero mantener para lectores de pantalla */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}
/* Tablet Breakpoint */
@media (min-width: 768px) {
  body { padding: 2rem; }
  .container { max-width: 720px; }
  .logo { font-size: 4rem; }
  .hero-text { font-size: 1.5rem; }
  .call-btn { font-size: 1.4rem; }
  .phone-display { font-size: 2.8rem; }
}
/* Desktop Breakpoint */
@media (min-width: 1024px) {
  .container { max-width: 800px; }
  .logo { font-size: 4.5rem; }
  .hero-text { font-size: 1.6rem; }
}
/* Small mobile fix */
@media (max-width: 360px) {
  .logo { font-size: 3rem; }
}
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}