/* ==========================================================================
   Revalior — Base
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: var(--fw-heading);
  color: var(--color-ink);
  line-height: 1.2;
  letter-spacing: -.01em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }

p { margin: 0; }

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

svg { display: block; }

button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--rv-verde);
  outline-offset: 2px;
}

::selection { background: rgba(60, 201, 160, .35); }

.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-muted); }

.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;
}

/* Link «Vai al contenuto»: nascosto finché non riceve il fuoco da tastiera */
.skip-link:focus,
.skip-link:focus-visible {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  width: auto;
  height: auto;
  margin: 0;
  padding: 10px 16px;
  overflow: visible;
  clip: auto;
  white-space: normal;
  border-radius: var(--radius-sm);
  background: var(--rv-profondo);
  color: var(--color-on-dark);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  outline-color: var(--rv-menta);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}