/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }

/* ===== HEADER SCROLL STATE ===== */
#site-header.scrolled {
  background: rgba(254, 253, 248, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
  animation: slideDown 0.2s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== BUTTON HOVER EFFECTS ===== */
a { transition: color 0.2s ease; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #fdf9ee; }
::-webkit-scrollbar-thumb { background: #059669; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #047857; }

/* ===== SELECTION ===== */
::selection { background: #d1fae5; color: #064e3b; }

/* ===== FOCUS ===== */
:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== IMAGE LAZY HOVER ===== */
img {
  max-width: 100%;
  height: auto;
}