/* ── Base / Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }
a { text-decoration: none; }
address { font-style: normal; }

/* ── Scroll-reveal base (progressive enhancement) ─────────── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Mobile menu transitions ──────────────────────────────── */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
#mobile-menu.open {
  max-height: 400px;
  padding-top: 0;
}

/* ── Hamburger animation ──────────────────────────────────── */
.menu-line {
  display: block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(2) {
  opacity: 0;
}
#menu-toggle[aria-expanded="true"] .menu-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 5px;
}

/* ── Subtle focus styles ──────────────────────────────────── */
a:focus-visible, button:focus-visible {
  outline: 2px solid #aed0be;
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Selection color ──────────────────────────────────────── */
::selection {
  background: #aed0be;
  color: #0f251c;
}