/* ── Custom Animations ── */
@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes float-medium {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-7px); }
}
@keyframes float-fast {
  0%, 100% { transform: translateY(0px) rotate(2deg); }
  50% { transform: translateY(-5px) rotate(2deg); }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-float-slow { animation: float-slow 6s ease-in-out infinite; }
.animate-float-medium { animation: float-medium 4.5s ease-in-out infinite; }
.animate-float-fast { animation: float-fast 3.5s ease-in-out infinite; }

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    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: 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; }
}

/* ── Smooth Scroll ── */
html {
  scroll-behavior: smooth;
}

/* ── Nav active state ── */
.nav-link.active {
  color: #065f46;
  background-color: #d1fae5;
}

/* ── Selection ── */
::selection {
  background-color: #065f46;
  color: #fefdf8;
}

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid #10b981;
  outline-offset: 2px;
}

/* ── Mobile menu transition ── */
#mobile-menu {
  animation: fade-in-up 0.25s ease-out;
}

/* ── Image loading placeholder ── */
img {
  background-color: #f0fdf4;
}