/* ── Base & Utilities ── */
html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Floating card animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes float-delay {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.card-float {
  animation: float 4s ease-in-out infinite;
}

.card-float-delay {
  animation: float-delay 4.5s ease-in-out infinite;
  animation-delay: 0.5s;
}

/* ── 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);
  }

  .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; }
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #fdf9f0;
}
::-webkit-scrollbar-thumb {
  background: #a7f3d0;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #6ee7b7;
}

/* ── Navbar height fix for fixed header ── */
header {
  padding-top: 0;
}

/* ── Selection color ── */
::selection {
  background-color: #a7f3d0;
  color: #064e3b;
}

/* ── Select dropdown arrow ── */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}