/* Custom styles for Lila Gzyl MD - Children's Heart */

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

/* Header scroll state */
#header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
}

#header.scrolled .font-serif {
  color: #0f172a;
}

/* Hero gradient animation */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Subtle float animation for decorative elements */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.16s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.24s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.32s; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 0.40s; }

.fade-in-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile menu transition */
#mobileMenu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Service card hover lift */
.group:hover {
  transform: translateY(-2px);
}

.group {
  transition: transform 0.3s ease;
}

/* Focus visible for accessibility */
*:focus-visible {
  outline: 2px solid #0d9488;
  outline-offset: 2px;
}

/* Remove default number input arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Selection color */
::selection {
  background: #ccfbf1;
  color: #134e4a;
}