html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #042f2e;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #06b6d4, #0891b2);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #22d3ee, #06b6d4);
}

.nav-link {
  position: relative;
  color: #a5f3fc;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #06b6d4, #22d3ee);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #22d3ee;
}

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

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
  background: linear-gradient(135deg, #22d3ee, #06b6d4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: #22d3ee;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  border: 2px solid #0891b2;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(6, 182, 212, 0.1);
  border-color: #22d3ee;
  transform: translateY(-2px);
}

.btn-whatsapp {
  display: inline-block;
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.glass-card {
  background: rgba(8, 51, 68, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 24px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-card {
  background: rgba(8, 51, 68, 0.3);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(8, 51, 68, 0.5);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-4px);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #67e8f9, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

.section-subtitle {
  font-size: 1.125rem;
  color: rgba(165, 243, 252, 0.7);
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(6, 182, 212, 0.6);
  }
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.status-online {
  background: #22c55e !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.5);
}

.status-offline {
  background: #ef4444 !important;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: white;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 9999;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-width: 640px) {
  .glass-card {
    padding: 1.5rem;
  }
  .section-title {
    font-size: 2rem;
  }
}

::selection {
  background: rgba(6, 182, 212, 0.3);
  color: white;
}