/* ============================================================================
   PortaleAgenti — Base pubblica
   ----------------------------------------------------------------------------
   Reset minimo, tipografia di base, contenitore. Estratto dal blocco comune
   presente identico in tutte le pagine dell'export Claude Design.
   Richiede css/public/tokens.css.
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: var(--lh-body);
  color: var(--ink);
  background-color: var(--avorio);
  /* Grana di carta monocromatica al 3,5%: tiene la superficie viva senza
     introdurre colore. Non va applicata sulle superfici bianche dei dati. */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color var(--dur-1) linear;
}

a:hover {
  color: var(--terra);
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
  text-wrap: pretty;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: var(--t-display);
  line-height: var(--lh-display);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--t-h2);
  line-height: var(--lh-h2);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--t-h3);
  line-height: var(--lh-h3);
}

::selection {
  background: rgba(176, 71, 47, .16);
}

/* Ogni cifra del sito e' in mono tabulare: gli importi devono incolonnarsi. */
.pa-mono,
.pa-figure,
.pa-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* Corpo testo leggibile: massimo 68 caratteri per riga (handoff §3). */
.pa-prose {
  max-width: 68ch;
}

/* --- Contenitore e ritmo verticale --------------------------------------- */

.pa-container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.pa-rhythm {
  padding-block: var(--ritmo);
}

/* Colonna guida asimmetrica: le prime due colonne restano ai numeri di
   sezione, agli occhielli e alle note a margine; il testo parte dalla terza. */
.pa-guide {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 44px;
}

/* --- Accessibilita' ------------------------------------------------------ */

.pa-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--blu);
  color: var(--avorio);
  padding: 12px 18px;
  font-size: var(--t-body-sm);
  font-weight: 600;
}

.pa-skip-link:focus {
  left: 0;
  color: var(--avorio);
}

/* Il focus e' sempre visibile: mai outline:none. */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--terra);
  outline-offset: 2px;
}

.pa-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --- Responsive ----------------------------------------------------------
   Breakpoint del progetto: 1200 / 900 / 600 / 360. */

@media (max-width: 1200px) {
  :root {
    --t-display: 44px;
  }

  .pa-guide {
    grid-template-columns: 140px 1fr;
    gap: 32px;
  }
}

@media (max-width: 900px) {
  /* Sotto i 900px la colonna guida collassa sopra al contenuto. */
  .pa-guide {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 600px) {
  :root {
    --t-display: 36px;
    --t-h2: 28px;
    --t-h3: 22px;
    --t-body: 16px;
    --t-figure: 26px;
    --ritmo: var(--ritmo-sm);
    --container-pad: var(--container-pad-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}