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

/* ── Animations ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-up {
  animation: fade-up 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ── Scroll-triggered reveals ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Service cards ── */
.service-card {
  transition: background-color 0.3s ease;
}
.service-card:hover h3 {
  color: #0d9488;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ── Selection ── */
::selection { background: #ccfbf1; color: #134e4a; }

/* ── Header scroll state ── */
#site-header.scrolled {
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}

/* ── Mobile menu transition ── */
#mobile-menu {
  transition: max-height 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}
#mobile-menu.open {
  max-height: 400px;
  opacity: 1;
}

/* ── Form select arrow override ── */
select {
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="%2394a3b8" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M19 9l-7 7-7-7"/></svg>');
}

/* ── Responsive tweaks ── */
@media (max-width: 640px) {
  .font-display { font-weight: 300; }
}