/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--indigo-600); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ── Layout ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 28px; }

/* ── Accessibility utility ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--radius);
  font-size: .9rem; font-weight: 600; cursor: pointer;
  transition: all .18s; border: 2px solid transparent;
  text-decoration: none; line-height: 1; font-family: inherit;
}
.btn:hover { text-decoration: none; }
.btn-green { background: var(--indigo-600); color: var(--white); border-color: var(--indigo-600); }
.btn-green:hover { background: var(--indigo-700); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(99,102,241,.3); }
.btn-ghost-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.7); }
.btn-ghost-light:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-amber { background: var(--amber-500); color: var(--ink); border-color: var(--amber-500); }
.btn-amber:hover { background: var(--amber-400); transform: translateY(-1px); }

/* Skip navigation link — WCAG 2.4.1 Level A */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.6rem 1.2rem;
  background: #fff;
  color: #000;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 4px;
  border: 2px solid #000;
  text-decoration: none;
  white-space: nowrap;

  /* Smooth reveal on focus */
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid #7c6dff;
  outline-offset: 2px;
}

.footer h3 {
  color: #fff; 
}