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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(111, 184, 142, 0.2);
  color: #0d1f2d;
}

/* Scroll reveal animations — progressive enhancement, only when JS runs and motion is preferred */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* Mobile menu transitions */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#menu-btn.active #bar1 {
  transform: translateY(5px) rotate(45deg);
}
#menu-btn.active #bar2 {
  opacity: 0;
}
#menu-btn.active #bar3 {
  transform: translateY(-5px) rotate(-45deg);
}

/* Subtle image hover */
.group:hover img {
  transform: scale(1.03);
}

/* Focus styles */
a:focus-visible, button:focus-visible {
  outline: 2px solid #6fb88e;
  outline-offset: 2px;
  border-radius: 2px;
}

/* Navbar shadow on scroll */
.nav-scrolled {
  box-shadow: 0 1px 20px rgba(8, 19, 28, 0.06);
}