/* ── Base & Utilities ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

/* ── 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);
  }
}
/* Fallback: always visible when JS is off or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ── Feature Cards ── */
.feature-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.feature-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Navbar scroll state ── */
nav.scrolled {
  background: rgba(255, 253, 247, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(5, 150, 105, 0.08);
}

/* ── Mobile menu transition ── */
#mobileMenu {
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FFFDF7; }
::-webkit-scrollbar-thumb { background: #A7F3D0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #10B981; }