/* ── Base & Utilities ── */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .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; }
}

/* ── Product Cards ── */
.product-card {
  will-change: transform;
}

/* ── Why Cards ── */
.why-card {
  will-change: transform;
}

/* ── Mobile Menu Transitions ── */
#mobileMenu {
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.35s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

#mobileMenu.open {
  max-height: 400px;
  opacity: 1;
}

/* ── Nav Scroll State ── */
#nav.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ── Custom Selection ── */
::selection {
  background-color: #3d663d;
  color: #fdfcf8;
}

/* ── Smooth focus outlines ── */
:focus-visible {
  outline: 2px solid #4a7c4a;
  outline-offset: 2px;
}

/* ── Input placeholder ── */
input::placeholder,
textarea::placeholder {
  color: #a3bfa3;
}

/* ── Image loading shimmer ── */
img {
  background-color: #d9e6d9;
}