/* Base styles and custom utilities */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Scroll reveal animations - progressive enhancement only */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll effect */
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(16, 42, 67, 0.08);
}

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

#mobileMenu.open {
  display: block;
}

#mobileMenu .mobile-overlay {
  opacity: 0;
  transition: opacity 0.3s ease;
}

#mobileMenu.open .mobile-overlay {
  opacity: 1;
}

#mobileMenu .absolute {
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

#mobileMenu.open .absolute {
  transform: translateX(0);
}

/* Smooth focus styles */
input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: none;
}

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

::-webkit-scrollbar-track {
  background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
  background: #9fb3c8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #627d98;
}

/* Selection color */
::selection {
  background: #fde047;
  color: #102a43;
}

/* Image loading placeholder */
img {
  background-color: #d9e2ec;
}