/* ── Base & Utilities ───────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
}

/* ── Floating animation for stat cards ─────────────────────── */
@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes float-medium {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-6px); }
}

@keyframes float-fast {
  0%, 100% { transform: translateY(0px) translateX(0px); }
  50%       { transform: translateY(-10px) translateX(4px); }
}

.animate-float-slow    { animation: float-slow    4s ease-in-out infinite; }
.animate-float-medium  { animation: float-medium  3.2s ease-in-out infinite; }
.animate-float-fast    { animation: float-fast    2.6s ease-in-out infinite; }

/* ── Scroll reveal (below-fold only, progressive enhancement) ─ */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .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; }
}

/* ── Select arrow override ──────────────────────────────────── */
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' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ── Focus visible ──────────────────────────────────────────── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #facc15;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f0f4ff;
}
::-webkit-scrollbar-thumb {
  background: #4c6ef5;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3b5bdb;
}