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

/* ── Navbar scroll state ── */
#nav.scrolled {
  background: rgba(244, 250, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0, 21, 184, 0.06), 0 4px 24px rgba(0, 21, 184, 0.06);
}

/* ── Nav links ── */
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #35a88e;
  border-radius: 1px;
  transition: width 0.25s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Mobile menu link ── */
.mobile-link { transition: color 0.2s ease; }
.mobile-link:hover { color: #35a88e; }

/* ── Floating animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.04); }
}
@keyframes float-delay {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-18px) scale(1.03); }
}
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delay { animation: float-delay 7s ease-in-out infinite 1.5s; }

/* ── Scroll reveal ── */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion — content always visible */
@media (prefers-reduced-motion: reduce) {
  .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html { scroll-behavior: auto; }
  .animate-float, .animate-float-delay { animation: none; }
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f4faf8; }
::-webkit-scrollbar-thumb { background: #c5ebe0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #95dcca; }

/* ── Selection ── */
::selection { background: #c5ebe0; color: #0015b8; }
</style>