/* ─── Base & Utilities ─── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ─── Navigation ─── */
#nav {
  background: rgba(254, 253, 251, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: box-shadow 0.4s ease;
}
#nav.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.07);
}

/* ─── Menu Tabs ─── */
.menu-tab {
  background: transparent;
  color: #71717a;
  border: none;
  cursor: pointer;
}
.menu-tab.active {
  background: white;
  color: #18181b;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.menu-tab:hover:not(.active) {
  color: #E86A5B;
}

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: none;
}
.reveal[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
}
@media (prefers-reduced-motion: no-preference) {
  .reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
  }
  .reveal.revealed[data-reveal] {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .reveal[data-reveal],
  .reveal.revealed[data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ─── Floating Animations ─── */
@keyframes float {
  0%, 100% { transform: rotate(12deg) translateY(0); }
  50% { transform: rotate(12deg) translateY(-12px); }
}
@keyframes float-delay {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes float-slow {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-6px) scale(1.1); }
}
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-float-delay { animation: float-delay 5s ease-in-out infinite 1s; }
.animate-float-slow { animation: float-slow 6s ease-in-out infinite 2s; }

/* ─── Mobile Menu Transition ─── */
#mobile-menu {
  animation: slideDown 0.3s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #fdf9f3; }
::-webkit-scrollbar-thumb { background: #d4d4d8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a1a1aa; }

/* ─── Selection ─── */
::selection { background: #ffece6; color: #18181b; }
</style>