*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

/* Reveal animations — progressive enhancement, only when JS runs */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navbar scroll state */
#nav.scrolled {
  background: rgba(254, 253, 248, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(5, 150, 105, 0.1);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #059669;
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 100%;
}

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

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

/* Subtle pattern for gallery section */
#gallery img {
  transition: transform 0.5s ease;
}

#gallery img:hover {
  transform: scale(1.05);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #ecfdf5;
}

::-webkit-scrollbar-thumb {
  background: #a7f3d0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #6ee7b7;
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #34d399;
  outline-offset: 2px;
  border-radius: 4px;
}

/* Selection color */
::selection {
  background: #a7f3d0;
  color: #064e3b;
}