/* ── Reset & Base ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }

/* ── Scroll Reveal ──────────────────────────────── */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Default visible state for progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Navbar scroll state ────────────────────────── */
#navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

/* ── Mobile menu transition ─────────────────────── */
#mobileMenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
#mobileMenu.open {
  max-height: 400px;
}

/* ── Button focus styles ────────────────────────── */
a:focus-visible, button:focus-visible {
  outline: 2px solid #1AB882;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Selection ──────────────────────────────────── */
::selection {
  background: rgba(26, 184, 130, 0.25);
  color: #0F2140;
}