/* ── Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; }

/* ── Scroll-reveal (progressive enhancement) ─────── */
@media (prefers-reduced-motion: no-preference) {
  .reveal-section {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal-section.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Header scroll state ──────────────────────────── */
#site-header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
#site-header.scrolled {
  background: rgba(255, 253, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08);
}

/* ── Mobile menu ──────────────────────────────────── */
#mobile-nav.open {
  transform: translateX(0);
}
#mobile-nav[aria-hidden="true"] {
  transform: translateX(100%);
}

/* ── Hero badge ───────────────────────────────────── */
.hero-badge {
  animation: fadeInDown 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Custom select chevron ────────────────────────── */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ── Focus visible ────────────────────────────────── */
:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
  border-radius: 4px;
}