/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; overflow-x: hidden; }

/* ── Animation Keyframes ── */
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}
@keyframes float-delay {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-15px) scale(1.03); }
}

.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delay { animation: float-delay 7s ease-in-out infinite 1s; }

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    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);
  }
  .reveal-left {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal-right {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
}

/* ── Nav scroll state ── */
#site-header.scrolled #nav-bg {
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(26, 39, 68, 0.06);
}

/* ── Mobile menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

/* ── Selection color ── */
::selection {
  background: rgba(212, 168, 75, 0.25);
  color: #1a2744;
}

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid #d4a84b;
  outline-offset: 2px;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #faf6ee; }
::-webkit-scrollbar-thumb { background: #d9e0ef; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #b3c2df; }