/* ============================================
   Religious Education — Premium Dark Luxury
   Emerald Green + Cream Palette
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(212, 168, 67, 0.3);
  color: #fefdf8;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #030806;
}
::-webkit-scrollbar-thumb {
  background: rgba(212, 168, 67, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(212, 168, 67, 0.5);
}

/* --- Navbar --- */
#navbar {
  backdrop-filter: blur(0px);
  background: transparent;
}

#navbar.scrolled {
  background: rgba(3, 8, 6, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(212, 168, 67, 0.1);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* --- Mobile Menu --- */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

.menu-line {
  display: block;
}

#menuBtn.active .menu-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
#menuBtn.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menuBtn.active .menu-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 1.25rem;
}

.mobile-link {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobileMenu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* --- Program Cards --- */
.program-card {
  will-change: transform;
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* --- Button hover glow --- */
a:hover {
  transition: all 0.3s ease;
}

/* --- Form inputs --- */
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

/* --- Gold shimmer on CTA buttons --- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* --- Responsive adjustments --- */
@media (max-width: 768px) {
  .font-serif {
    line-height: 1.1;
  }
}