/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  overflow-x: hidden;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  border-radius: 0;
}

button {
  cursor: pointer;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ===== 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);
  }

  .reveal:nth-child(2) { transition-delay: 0.08s; }
  .reveal:nth-child(3) { transition-delay: 0.16s; }
  .reveal:nth-child(4) { transition-delay: 0.24s; }
}

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

#mobile-menu:not(.open) {
  opacity: 0;
  pointer-events: none;
}

/* Header scroll state */
#site-header.scrolled {
  box-shadow: 0 4px 30px rgba(2, 44, 34, 0.3);
}

/* 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 */
::selection {
  background: rgba(5, 150, 105, 0.3);
  color: #fef3c7;
}

/* ===== MOBILE MENU TRANSITIONS ===== */
#mobile-menu {
  transition: opacity 0.3s ease, pointer-events 0.3s ease;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #064e3b;
}
::-webkit-scrollbar-thumb {
  background: #047857;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #059669;
}