/* ===== Custom Styles for Modern Alterations ===== */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Floating card animations */
.floating-card {
  animation: float 3.5s ease-in-out infinite;
}

.floating-card-delayed {
  animation: float 3.5s ease-in-out infinite;
  animation-delay: 1.2s;
}

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

/* Scroll reveal animations (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

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

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
  .reveal-delay-5 { transition-delay: 0.5s; }
}

/* Service card hover glow */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  opacity: 0;
  transition: opacity 0.4s ease;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
  pointer-events: none;
}

.service-card:hover::after {
  opacity: 1;
}

/* Mobile menu transitions */
.menu-line {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:first-child {
  transform: translateY(6px) rotate(45deg);
}

#menuBtn.active .menu-line:nth-child(2) {
  opacity: 0;
}

#menuBtn.active .menu-line:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile links */
.mobile-link {
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f1f5f9;
  transition: color 0.2s ease;
}

.mobile-link:last-child {
  border-bottom: none;
}

.mobile-link:hover {
  color: #0d9488;
}

/* Navbar scroll effect */
nav.scrolled {
  box-shadow: 0 1px 20px rgba(13, 148, 136, 0.08);
}

/* Selection color */
::selection {
  background: #99f6e4;
  color: #134e4a;
}

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

::-webkit-scrollbar-track {
  background: #f8fafc;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}