/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ── Reveal animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-up.revealed,
  .reveal-left.revealed,
  .reveal-right.revealed {
    opacity: 1;
    transform: translate(0, 0);
  }
}

/* ── Mobile menu ── */
#mobile-menu.open { opacity: 1 !important; pointer-events: all !important; }
#mobile-menu.closed .mobile-link { opacity: 0; transform: translateY(10px); }
#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* ── Navbar scroll state ── */
#site-header.scrolled {
  background: rgba(253, 248, 240, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(5, 150, 105, 0.1);
}

/* ── Hamburger animation ── */
#site-header.menu-open .menu-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
#site-header.menu-open .menu-line:nth-child(2) { opacity: 0; }
#site-header.menu-open .menu-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Focus visible ── */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid #10B981;
  outline-offset: 2px;
  border-radius: 4px;
}