/* ===== CUSTOM STYLES ===== */

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

/* Navbar transition */
#navbar.scrolled {
  background: rgba(15, 33, 64, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

/* Scroll reveal base - content is always visible */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Only animate when JS is enabled and user prefers motion */
@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; }
  .js-enabled .scroll-reveal.revealed:nth-child(5) { transition-delay: 0.4s; }
  .js-enabled .scroll-reveal.revealed:nth-child(6) { transition-delay: 0.5s; }
}

/* Floating animations */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes float-delay {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(-2deg); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

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

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

.animate-float-slow {
  animation: float-slow 10s ease-in-out infinite;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f0fdf4;
}
::-webkit-scrollbar-thumb {
  background: #86efac;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #4ade80;
}

/* Selection color */
::selection {
  background: #bbf7d0;
  color: #0f2140;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid #4ade80;
  outline-offset: 2px;
}

/* 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 {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}
.mobile-link:hover {
  background: rgba(255, 255, 255, 0.05);
}

/* Image loading placeholder */
img {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

/* Form input autofill */
input:-webkit-autofill,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 30px white inset !important;
}