/* ============================================================
   TEMA "DEFAULT" - foglio di stile
   ============================================================
   I colori, il font e le misure principali arrivano dalle
   variabili CSS impostate in Impostazioni > Aspetto
   (vedi theme_css_vars() in core/functions.php).
   I valori qui sotto sono solo quelli di riserva.
   ============================================================ */

:root {
  --color-primary: #2563eb;
  --color-accent: #f59e0b;
  --color-bg: #ffffff;
  --color-text: #1f2937;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --container: 1100px;
  --radius: 10px;

  /* Colori derivati (calcolati a partire da quelli principali) */
  --color-muted: color-mix(in srgb, var(--color-text) 65%, var(--color-bg));
  --color-border: color-mix(in srgb, var(--color-text) 14%, var(--color-bg));
  --color-soft: color-mix(in srgb, var(--color-primary) 7%, var(--color-bg));
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
}
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
a { color: var(--color-primary); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1.25rem; }
.container--narrow { max-width: min(var(--container), 760px); }

/* Link "salta al contenuto" per chi naviga da tastiera */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff; padding: 0.6rem 1rem; z-index: 100; }
.skip-link:focus { left: 0; }

.preview-bar { background: var(--color-accent); color: #111; text-align: center; padding: 0.4rem 1rem; font-size: 0.9rem; }

/* ---------- Pulsanti ---------- */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: filter 0.15s, transform 0.15s;
}
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn--light { background: #fff; color: var(--color-primary); }

/* ---------- Testata e menu ---------- */
.site-header { border-bottom: 1px solid var(--color-border); background: var(--color-bg); position: sticky; top: 0; z-index: 50; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.25rem; flex-wrap: wrap; }
.site-brand { text-decoration: none; color: var(--color-text); }
.site-name { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; }
.site-logo { max-height: 2.75rem; width: auto; border-radius: 0; }
.site-nav ul { list-style: none; display: flex; gap: 0.25rem; margin: 0; padding: 0; }
.site-nav a { display: block; padding: 0.5rem 0.85rem; border-radius: var(--radius); color: var(--color-text); text-decoration: none; font-weight: 500; }
.site-nav a:hover { background: var(--color-soft); }
.site-nav a[aria-current="page"] { color: var(--color-primary); background: var(--color-soft); }

/* Menu mobile (solo CSS, nessun JavaScript) */
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-label { display: none; cursor: pointer; padding: 0.75rem 0.5rem; }
.nav-toggle-label span, .nav-toggle-label span::before, .nav-toggle-label span::after {
  display: block; width: 1.6rem; height: 2px; background: var(--color-text); position: relative; content: "";
}
.nav-toggle-label span::before { position: absolute; top: -0.5rem; }
.nav-toggle-label span::after { position: absolute; top: 0.5rem; }
@media (max-width: 760px) {
  .nav-toggle-label { display: block; }
  .nav-toggle:focus-visible + .nav-toggle-label { outline: 3px solid var(--color-accent); }
  .site-nav { display: none; width: 100%; padding-bottom: 0.75rem; }
  .nav-toggle:checked ~ .site-nav { display: block; }
  .site-nav ul { flex-direction: column; }
}

/* ---------- Briciole di pane ---------- */
.breadcrumbs { font-size: 0.875rem; color: var(--color-muted); padding-top: 1rem; }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.breadcrumbs li + li::before { content: "›"; margin-right: 0.4rem; }
.breadcrumbs a { color: inherit; }

/* ---------- Intestazione di pagina ---------- */
.page-header { padding: 2.5rem 0 0.5rem; }
.post-meta { color: var(--color-muted); font-size: 0.9rem; }
.post-lead { font-size: 1.2rem; color: var(--color-muted); }
.post-cover { margin-top: 1rem; }

/* ---------- Blocchi: regole comuni ---------- */
.block { padding: 2.75rem 0; }
.block-intro { color: var(--color-muted); max-width: 46rem; font-size: 1.1rem; }
.block-more { margin-top: 1.5rem; font-weight: 600; }

/* Testo formattato dall'editor */
.prose > :last-child { margin-bottom: 0; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3rem; margin: 0 0 1em; }
.prose li { margin-bottom: 0.35em; }
.prose blockquote { margin: 1.5em 0; padding: 0.25rem 1.25rem; border-left: 4px solid var(--color-primary); color: var(--color-muted); font-style: italic; }
.prose table { width: 100%; border-collapse: collapse; margin-bottom: 1em; }
.prose th, .prose td { border: 1px solid var(--color-border); padding: 0.5rem 0.75rem; text-align: left; }

/* ---------- Blocco Hero ---------- */
.block-hero { background: var(--color-soft); padding: clamp(3rem, 8vw, 6rem) 0; }
.block-hero .container { display: grid; gap: 2.5rem; align-items: center; }
.block-hero--center { text-align: center; }
.block-hero--center .hero-text { max-width: 48rem; margin-inline: auto; }
.block-hero--center .hero-image img { margin-inline: auto; }
.hero-subtitle { font-size: clamp(1.1rem, 2.2vw, 1.35rem); color: var(--color-muted); margin-bottom: 1.6em; }
@media (min-width: 860px) {
  .block-hero--left .container:has(.hero-image) { grid-template-columns: 1.1fr 1fr; }
}

/* ---------- Blocco Testo + immagine ---------- */
.block-text-image .container { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 860px) {
  .block-text-image .container:has(.ti-image) { grid-template-columns: 1fr 1fr; }
  .block-text-image--left .ti-image { order: -1; }
}

/* ---------- Blocco Immagine ---------- */
.block-image figure { margin: 0; }
.block-image img { width: 100%; }
figcaption { font-size: 0.9rem; color: var(--color-muted); margin-top: 0.5rem; text-align: center; }

/* ---------- Schede (blocco Schede, elenco articoli) ---------- */
.cards { display: grid; gap: 1.5rem; margin-top: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
@media (min-width: 860px) {
  .cards--2 { grid-template-columns: repeat(2, 1fr); }
  .cards--3 { grid-template-columns: repeat(3, 1fr); }
  .cards--4 { grid-template-columns: repeat(4, 1fr); }
}
.card { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; background: var(--color-bg); display: flex; flex-direction: column; }
.card-image { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 0; }
.card-body { padding: 1.4rem; }
.card-body > :last-child { margin-bottom: 0; }
.card h2, .card h3 { font-size: 1.2rem; margin-bottom: 0.4em; }
.card h2 a, .card h3 a { color: inherit; text-decoration: none; }
.card h2 a:hover, .card h3 a:hover { color: var(--color-primary); }

/* ---------- Blocco FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary { cursor: pointer; padding: 1.1rem 2rem 1.1rem 0; font-weight: 600; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0.25rem; top: 0.9rem; font-size: 1.4rem; font-weight: 400; color: var(--color-primary); }
.faq-item[open] summary::after { content: "–"; }
.faq-answer { padding-bottom: 0.75rem; color: var(--color-muted); }

/* ---------- Blocco CTA ---------- */
.cta-box { background: var(--color-primary); color: #fff; border-radius: calc(var(--radius) * 1.5); padding: clamp(2rem, 5vw, 3.5rem); text-align: center; }
.cta-box p { max-width: 40rem; margin-inline: auto; font-size: 1.1rem; }
.cta-box > :last-child { margin-bottom: 0; }

/* ---------- Paginazione ---------- */
.pagination { display: flex; justify-content: center; align-items: center; gap: 1.5rem; margin-top: 2.5rem; color: var(--color-muted); }

/* ---------- 404 ---------- */
.block-404 { text-align: center; padding: 5rem 0; }

/* ---------- Piè di pagina ---------- */
.site-footer { border-top: 1px solid var(--color-border); margin-top: 3rem; padding: 2.5rem 0; font-size: 0.95rem; color: var(--color-muted); }
.site-footer__inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.site-footer strong { color: var(--color-text); }
.site-footer p { margin: 0.4rem 0 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.site-footer a { color: inherit; }

/* Rispetta chi preferisce meno animazioni */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}