/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  background-color: #fefdfb;
  color: #233828;
}

/* ── Hero animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-up {
  animation: fadeUp 0.7s ease both;
}

/* ── Scroll reveal (progressive enhancement) ── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* ── Navbar scroll state ── */
#site-header.scrolled {
  background: rgba(254, 253, 251, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(45, 74, 51, 0.08);
}

/* ── Mobile link hover ── */
.mobile-link {
  display: block;
  padding: 0.25rem 0;
  border-bottom: 1px solid rgba(45, 74, 51, 0.06);
}
.mobile-link:last-child {
  border-bottom: none;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #fefdfb; }
::-webkit-scrollbar-thumb { background: #b9d1c4; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #8fb89e; }