/* ===== BASE & RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    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);
  }

  /* Stagger children */
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Navbar scroll state */
.nav-scrolled {
  background: rgba(253, 252, 248, 0.95) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(27, 67, 50, 0.08);
}

.nav-scrolled .nav-link {
  color: #1B4332 !important;
}

.nav-scrolled .logo-text {
  color: #1B4332 !important;
}

.nav-scrolled .logo-sub {
  color: #2E7D32 !important;
}

/* Mobile menu transitions */
#mobile-menu {
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Focus styles */
a:focus-visible, button:focus-visible {
  outline: 2px solid #1B4332;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Selection color */
::selection {
  background: #C8E6C9;
  color: #1B4332;
}