body {
  background: linear-gradient(135deg, #1e293b, #334155);
  min-height: 100vh;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-glass {
  background: rgba(30, 41, 59, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

section {
  scroll-margin-top: 5rem;
}

.newsletter-floating-btn {
  position: fixed;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  z-index: 40;
  padding: 1rem 1.5rem;
  border-radius: 2rem;
  background: linear-gradient(135deg, #4f46e5, #22d3ee);
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
  text-decoration: none;
  transition: all 0.3s ease;
  animation: newsletter-glow 3s ease-in-out infinite;
  color: white;
}

.newsletter-floating-btn:hover {
  transform: translateY(-50%) scale(1.05);
  box-shadow: 0 15px 35px rgba(79, 70, 229, 0.6);
  border-color: rgba(255, 255, 255, 0.4);
}

.newsletter-floating-btn .newsletter-text {
  transition: transform 0.3s ease;
}

.newsletter-floating-btn:hover .newsletter-text {
  transform: translateX(2px);
}

@keyframes newsletter-glow {
  0%,
  100% {
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
  }
  50% {
    box-shadow: 0 15px 35px rgba(79, 70, 229, 0.6);
  }
}

@media (max-width: 768px) {
  .newsletter-floating-btn {
    right: 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    border-radius: 1.5rem;
    min-width: 120px;
  }

  .newsletter-floating-btn .newsletter-text {
    display: block;
  }

  .newsletter-floating-btn .newsletter-text .text-sm {
    font-size: 0.75rem;
  }

  .newsletter-floating-btn .newsletter-text .text-xs {
    font-size: 0.625rem;
  }
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 40;
  transition: opacity 0.3s;
}

@media (prefers-reduced-motion: no-preference) {
  .transition-colors {
    transition: color 0.15s ease;
  }
}

.social-icon {
  transition: all 0.3s ease;
  position: relative;
}

.social-icon:hover {
  transform: scale(1.2) rotate(8deg);
}

.social-icon::after {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 9999px;
  background: rgba(34, 211, 238, 0.2);
  z-index: -1;
  opacity: 0;
  transition: all 0.3s ease;
}

.social-icon:hover::after {
  opacity: 1;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.pulse-on-load {
  animation: pulse 2s ease-in-out infinite;
}