/* Custom styles for BPO Elks No 1929 */

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

/* Navbar scroll state */
#navbar.scrolled {
  background-color: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Nav link underline animation */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #3DA87A;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 60%;
}

/* Scroll reveal animations */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal.revealed {
    opacity: 1;
    transform: none;
  }

  .group img {
    transition: none;
  }
}

/* Mobile menu transitions */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

#mobile-menu.open {
  max-height: 400px;
}

.mobile-nav-link {
  opacity: 1;
}

/* Button focus styles */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid #3DA87A;
  outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
  background: #0A1628;
}

::-webkit-scrollbar-thumb {
  background: #1E3A5F;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3DA87A;
}

/* Selection color */
::selection {
  background: #3DA87A;
  color: #0A1628;
}