/* Base */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* Navbar */
#nav.scrolled {
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}

/* Scroll reveal */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Floating cards */
@media (prefers-reduced-motion: no-preference) {
  .float-card-1 { animation: floatA 4s ease-in-out infinite; }
  .float-card-2 { animation: floatB 5s ease-in-out infinite; }
  .float-card-3 { animation: floatC 3.5s ease-in-out infinite; }
}

@keyframes floatA {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes floatB {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(8px); }
}
@keyframes floatC {
  0%, 100% { transform: translateX(0px); }
  50% { transform: translateX(-6px); }
}

/* Background floating dots */
@media (prefers-reduced-motion: no-preference) {
  .float-slow { animation: floatDot 6s ease-in-out infinite; }
  .float-medium { animation: floatDot 4s ease-in-out infinite reverse; }
  .float-fast { animation: floatDot 3s ease-in-out infinite; }
}

@keyframes floatDot {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
  50% { transform: translateY(-14px) scale(1.2); opacity: 0.3; }
}

/* Mobile menu */
#mobileMenu.open { display: block; }