/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
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='%235c8240' stroke-width='2' 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; }

/* ── Hero entrance animation ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-fade-up {
  animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ── Scroll line animation ── */
@keyframes scrollLine {
  from { transform: scaleY(0); transform-origin: top; }
  to   { transform: scaleY(1); transform-origin: top; }
}
.animate-scroll-line {
  animation: scrollLine 0.8s 1.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  transform: scaleY(0);
  transform-origin: top;
}

/* ── Scroll reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    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.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}
/* Fallback: always visible if JS is disabled or prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Navbar transition ── */
#nav.scrolled {
  background: rgba(254, 253, 248, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(45, 64, 35, 0.08);
}
#nav.scrolled .nav-logo-color { color: #25341e; }

/* ── Mobile menu ── */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}
#mobileMenu .mobile-link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s, transform 0.4s, color 0.3s;
}
#mobileMenu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}
#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* ── Hamburger animation ── */
.menu-line { transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s; }
body.menu-open .menu-line:nth-child(1) { transform: translateY(4px) rotate(45deg); }
body.menu-open .menu-line:nth-child(2) { opacity: 0; }
body.menu-open .menu-line:nth-child(3) { transform: translateY(-4px) rotate(-45deg); width: 6px; }

/* ── Selection color ── */
::selection { background: rgba(92, 130, 64, 0.2); }

/* ── Focus visible ── */
:focus-visible { outline: 2px solid #5c8240; outline-offset: 2px; }

/* ── Smooth scroll offset for fixed nav ── */
section[id] { scroll-margin-top: 80px; }