/* Northern Plateau — Custom Styles */

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

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f0fdfa;
}
::-webkit-scrollbar-thumb {
  background: #99f6e4;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #5eead4;
}

/* Floating animation for decorative blobs */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes float-delay {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(-3deg); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delay {
  animation: float-delay 8s ease-in-out infinite;
  animation-delay: -2s;
}

/* Scroll reveal base — visible by default (progressive enhancement) */
.scroll-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Only apply hidden state when JS is enabled and prefers-reduced-motion allows */
@media (prefers-reduced-motion: no-preference) {
  .js-enabled .scroll-reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .js-enabled .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
  .js-enabled .scroll-reveal.revealed:nth-child(2) { transition-delay: 0.1s; }
  .js-enabled .scroll-reveal.revealed:nth-child(3) { transition-delay: 0.2s; }
  .js-enabled .scroll-reveal.revealed:nth-child(4) { transition-delay: 0.3s; }
}

/* Navbar styles */
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(13, 148, 136, 0.08);
}

#navbar.scrolled .nav-logo-text {
  color: #1e293b;
}

/* Mobile menu transitions */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

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

/* Mobile link hover */
.mobile-link {
  padding: 8px 0;
  border-bottom: 1px solid #f0fdfa;
}

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

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

/* Image loading placeholder */
img {
  background: linear-gradient(135deg, #f0fdfa 0%, #e2e8f0 100%);
}

/* Focus visible for accessibility */
:focus-visible {
  outline: 2px solid #14b8a6;
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}