/* ─── CSS Reset (mobile-optimized, WCAG 2.1 AA compliant) ─── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans, 'Hind Siliguri', 'Inter', system-ui, -apple-system, sans-serif);
  font-size: 16px;
  line-height: 1.5;
  color: #1E293B;
  background: #F8FAFC;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100dvh;
  min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
  border-radius: 2px;
}

/* ─── Skip link (accessibility) ─── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 8px;
  z-index: 999;
  padding: 8px 16px;
  background: #059669;
  color: #fff;
  font-weight: 600;
  border-radius: 0 0 4px 4px;
}
.skip-link:focus { top: 0; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 4px; }