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

/* ── Float animations for hero cards ── */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes floatMedium {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-7px); }
}
@keyframes floatFast {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
}
.animate-float-slow { animation: floatSlow 4s ease-in-out infinite; }
.animate-float-medium { animation: floatMedium 3.2s ease-in-out infinite; }
.animate-float-fast { animation: floatFast 2.6s ease-in-out infinite; }

/* ── Scroll reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ── Navbar scroll state ── */
nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(15, 43, 76, 0.08);
}

/* ── Mobile menu transitions ── */
#mobileMenu {
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f0fdf9; }
::-webkit-scrollbar-thumb { background: #99f6e0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #5eead4; }