/* ==========================================================================
   aritmiecagliari.it – foglio di stile unico
   Struttura: 1. Font  2. Variabili  3. Base  4. Layout  5. Componenti
              6. Pagine  7. Utilità  8. Media query di stampa
   I colori e le misure si cambiano SOLO nelle variabili (sezione 2).
   ========================================================================== */

/* 1. Font (ospitati sul sito, nessuna chiamata a Google) ------------------ */
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/open-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Open Sans"; font-style: italic; font-weight: 400; font-display: swap; src: url("/assets/fonts/open-sans-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/open-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Open Sans"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/open-sans-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "PT Serif"; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/pt-serif-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "PT Serif"; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/pt-serif-latin-700-normal.woff2") format("woff2"); }

/* 2. Variabili -------------------------------------------------------------- */
:root {
  --c-text: #1b1f24;
  --c-muted: #56606b;
  --c-bg: #ffffff;
  --c-bg-alt: #f2f5f8;
  --c-border: #dde3ea;
  --c-primary: #0b66b8;        /* blu: contrasto 5,8:1 su bianco (WCAG AA) */
  --c-primary-dark: #084f8f;
  --c-primary-soft: #e6f0fa;
  --c-accent: #c8102e;         /* rosso del logo, solo per dettagli */
  --c-whatsapp: #128c4a;

  --font-body: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "PT Serif", Georgia, "Times New Roman", serif;

  --fs-sm: 0.875rem;
  --fs-base: 1.0625rem;
  --fs-lead: clamp(1.125rem, 1rem + 0.4vw, 1.25rem);
  --fs-h1: clamp(2rem, 1.5rem + 2.2vw, 3rem);
  --fs-h2: clamp(1.5rem, 1.25rem + 1.1vw, 2.125rem);
  --fs-h3: 1.25rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: clamp(3rem, 2rem + 4vw, 5rem);

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 4px 12px rgb(16 24 40 / 8%);
  --shadow-hover: 0 2px 4px rgb(16 24 40 / 8%), 0 12px 24px rgb(16 24 40 / 12%);
  --container: 72rem;
  --header-h: 4.25rem;
}

/* 3. Base ------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
picture { display: contents; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; margin: 0 0 var(--space-2); text-wrap: balance; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p, ul, ol, blockquote, figure { margin: 0 0 var(--space-2); }
a { color: var(--c-primary); text-underline-offset: 0.15em; }
a:hover { color: var(--c-primary-dark); }
:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 2px; border-radius: 2px; }
strong { font-weight: 700; }
.icon { display: inline-block; width: 1.1em; height: 1.1em; vertical-align: -0.15em; flex-shrink: 0; }

/* 4. Layout ----------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.narrow { max-width: 48rem; }
.section { padding-block: var(--space-6); }
.section-tight { padding-block: var(--space-4) var(--space-6); }
.section-alt { background: var(--c-bg-alt); }
.section-title { text-align: center; }
.section-intro { text-align: center; color: var(--c-muted); max-width: 40rem; margin: 0 auto var(--space-4); }

.split { display: grid; gap: var(--space-4); align-items: center; }
.split-media img { width: 100%; border-radius: var(--radius); object-fit: cover; }
.split-top { align-items: start; }
@media (min-width: 56rem) { .split-top .split-media { position: sticky; top: calc(var(--header-h) + 1.5rem); } }
@media (min-width: 56rem) {
  .split { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
  .split-reverse .split-media { order: 2; }
}

/* 5. Componenti ------------------------------------------------------------- */

/* Link "salta al contenuto" per tastiera e screen reader */
.skip-link { position: absolute; left: 1rem; top: -10rem; z-index: 100; padding: 0.5rem 1rem; background: var(--c-text); color: #fff; border-radius: var(--radius-sm); }
.skip-link:focus { top: 1rem; color: #fff; }

/* Pulsanti */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 2.75rem; padding: 0.625rem 1.25rem;
  font: 600 1rem/1.2 var(--font-body); text-decoration: none; text-align: center;
  border: 2px solid transparent; border-radius: var(--radius-sm); cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary-soft); color: var(--c-primary-dark); }
.btn-block { display: flex; width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: var(--space-3); }
.btn-row-center { justify-content: center; }
.link-arrow { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; text-decoration: none; }
.link-arrow:hover { text-decoration: underline; }

/* Header e menu */
.site-header { position: sticky; top: 0; z-index: 50; background: rgb(255 255 255 / 95%); backdrop-filter: blur(8px); border-bottom: 1px solid var(--c-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); min-height: var(--header-h); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand img { width: auto; height: 2rem; }
.brand .brand-text { height: 1.5rem; }
.site-nav { display: flex; align-items: center; gap: var(--space-3); }
.site-nav ul { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.site-nav ul a { display: block; padding: 0.5rem 0.75rem; color: var(--c-text); text-decoration: none; font-weight: 600; font-size: 0.95rem; border-radius: var(--radius-sm); }
.site-nav ul a:hover { background: var(--c-bg-alt); color: var(--c-text); }
.site-nav ul a[aria-current="page"] { color: var(--c-primary); box-shadow: inset 0 -2px 0 var(--c-primary); border-radius: 0; }
.nav-toggle { display: none; }

@media (max-width: 63.99rem) {
  .brand .brand-text { display: none; }
  /* Senza JavaScript il menu resta visibile sotto il logo; con JS diventa a scomparsa */
  .site-nav { width: 100%; flex-direction: column; align-items: stretch; gap: var(--space-1); padding-bottom: var(--space-2); }
  .site-nav ul { flex-direction: column; }
  .site-nav ul a { padding: 0.75rem; font-size: 1rem; }
  .site-nav ul a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--c-primary); background: var(--c-primary-soft); }
  .js .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 2.75rem; height: 2.75rem; padding: 0; font-size: 1.5rem;
    background: none; border: 1px solid var(--c-border); border-radius: var(--radius-sm); color: var(--c-text); cursor: pointer;
  }
  .js .nav-toggle .nav-toggle-close, .js .nav-toggle[aria-expanded="true"] .nav-toggle-open { display: none; }
  .js .nav-toggle[aria-expanded="true"] .nav-toggle-close { display: inline; }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: flex; }
}
@media (min-width: 64rem) { .header-inner { flex-wrap: nowrap; } }

/* Barra azioni rapide (solo mobile) */
.action-bar { display: none; }
@media (max-width: 47.99rem) {
  body { padding-bottom: 4.25rem; }
  .action-bar {
    position: fixed; inset: auto 0 0 0; z-index: 60; display: grid; grid-template-columns: repeat(3, 1fr);
    background: #fff; border-top: 1px solid var(--c-border); box-shadow: 0 -4px 12px rgb(16 24 40 / 8%);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .action-bar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.15rem; min-height: 3.75rem; font-size: 0.8rem; font-weight: 600; color: var(--c-text); text-decoration: none; }
  .action-bar .icon { width: 1.35rem; height: 1.35rem; color: var(--c-primary); }
  .action-bar a:nth-child(2) .icon { color: var(--c-whatsapp); }
  .action-bar .action-primary { background: var(--c-primary); color: #fff; }
  .action-bar .action-primary .icon { color: #fff; }
}
@media (min-width: 48rem) and (max-width: 63.99rem) { .nav-cta { align-self: flex-start; } }

/* Card articoli (tutta la card è cliccabile tramite il link del titolo) */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 18rem), 1fr)); gap: var(--space-3); list-style: none; margin: 0; padding: 0; }
.card { position: relative; display: flex; flex-direction: column; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.card-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--c-bg-alt); }
.card-body { display: flex; flex-direction: column; flex: 1; padding: var(--space-3); }
.card-body h3 { margin-bottom: var(--space-1); }
.card-body p { color: var(--c-muted); font-size: 0.95rem; flex: 1; }
.card-link { color: var(--c-text); text-decoration: none; }
.card-link::after { content: ""; position: absolute; inset: 0; }
.card-link:focus-visible { outline: none; }
.card:has(.card-link:focus-visible) { outline: 3px solid var(--c-primary); outline-offset: 2px; }
.card-more { font-weight: 600; color: var(--c-primary); font-size: 0.95rem; }

/* Recensioni: scorrimento orizzontale, nessuna animazione automatica */
.reviews { display: flex; gap: var(--space-3); overflow-x: auto; scroll-snap-type: x mandatory; list-style: none; margin: 0; padding: 0.25rem 0.25rem var(--space-2); scrollbar-width: thin; }
.review { flex: 0 0 min(85%, 21rem); scroll-snap-align: start; display: flex; flex-direction: column; padding: var(--space-3); background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); }
.review blockquote { margin: 0; flex: 1; }
.review blockquote p { margin: 0; }
.stars { display: flex; gap: 0.15rem; color: #e0a400; margin-bottom: var(--space-1); }
.review-author { margin: var(--space-2) 0 0; font-weight: 600; color: var(--c-muted); }

/* Contatti e modulo */
.contact-grid { display: grid; gap: var(--space-4); max-width: 60rem; margin-inline: auto; }
@media (min-width: 56rem) { .contact-grid { grid-template-columns: 1fr 1.3fr; align-items: start; } }
.contact-list li { display: flex; gap: var(--space-2); align-items: flex-start; margin-bottom: var(--space-3); }
.contact-icon { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: var(--radius-sm); background: var(--c-primary); color: #fff; font-size: 1.15rem; flex-shrink: 0; }
.contact-form { background: #fff; padding: var(--space-3); border-radius: var(--radius); box-shadow: var(--shadow); }
.field { margin-bottom: var(--space-2); }
.field label { display: block; font-weight: 600; margin-bottom: 0.3rem; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field textarea {
  width: 100%; padding: 0.7rem 0.85rem; font: inherit; color: inherit;
  background: #fff; border: 1px solid #9aa5b1; border-radius: var(--radius-sm);
}
.field input:focus, .field textarea:focus { outline: 3px solid var(--c-primary-soft); border-color: var(--c-primary); }
.field textarea { resize: vertical; min-height: 8rem; }
.field-note { font-size: var(--fs-sm); color: var(--c-muted); margin: 0.35rem 0 0; }
.field-check { display: flex; gap: 0.6rem; align-items: flex-start; }
.field-check input { width: 1.2rem; height: 1.2rem; margin-top: 0.25rem; flex-shrink: 0; accent-color: var(--c-primary); }
.field-check label { font-weight: 400; font-size: 0.95rem; }
.optional { font-weight: 400; color: var(--c-muted); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { max-width: 60rem; margin: var(--space-4) auto 0; padding: var(--space-2) var(--space-3); border-left: 4px solid var(--c-accent); background: #fdf1f3; border-radius: var(--radius-sm); }

/* Footer */
.site-footer { background: #14202e; color: #d5dde6; padding-top: var(--space-5); }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.footer-name { font-family: var(--font-head); font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 0.25rem; }
.footer-title { font-weight: 700; color: #fff; margin-bottom: var(--space-1); }
.plain { list-style: none; padding: 0; margin: 0; }
.site-footer .plain li { margin-bottom: 0.4rem; }
.site-footer .plain a { display: inline-flex; align-items: center; gap: 0.5rem; }
.social { display: flex; gap: var(--space-2); font-size: 1.4rem; margin-top: var(--space-2); }
.footer-bottom { border-top: 1px solid rgb(255 255 255 / 12%); margin-top: var(--space-4); padding-block: var(--space-3); }
.small { font-size: var(--fs-sm); }

/* 6. Pagine ----------------------------------------------------------------- */

/* Home: hero */
.hero { background: linear-gradient(180deg, var(--c-primary-soft) 0%, #fff 100%); overflow: hidden; }
.hero-grid { display: grid; gap: var(--space-3); align-items: end; padding-top: var(--space-5); }
.hero-text { padding-bottom: var(--space-2); }
.eyebrow { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 600; font-size: var(--fs-sm); letter-spacing: 0.04em; text-transform: uppercase; color: var(--c-muted); }
.eyebrow::before { content: ""; width: 1.5rem; height: 3px; background: var(--c-accent); border-radius: 2px; }
.lead { font-size: var(--fs-lead); color: var(--c-muted); max-width: 38rem; }
.hero-media img { width: min(100%, 26rem); margin-inline: auto; }

/* Variante con sfondo sfocato (site.json → "heroSfondo": true) */
.hero-sfondo { position: relative; isolation: isolate; background: #e9eef3; }
.hero-sfondo .hero-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.hero-sfondo::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgb(255 255 255 / 25%) 0%, rgb(255 255 255 / 0%) 60%); }
.hero-sfondo .hero-text { background: rgb(255 255 255 / 78%); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); border-radius: var(--radius); padding: var(--space-3); box-shadow: 0 4px 30px rgb(0 0 0 / 10%); }
.hero-sfondo .lead { color: #3d4650; }
@media (min-width: 56rem) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; padding-top: var(--space-4); }
  .hero-text { align-self: center; padding-bottom: var(--space-5); }
  .hero-media img { width: 100%; max-width: 30rem; }
}

/* Intestazione pagine interne */
.page-head { background: var(--c-bg-alt); padding-block: var(--space-5) var(--space-4); }
.page-head h1 { margin-bottom: var(--space-1); }
.page-head-center { text-align: center; padding-block: var(--space-6); }
.page-head-center .lead { margin-inline: auto; }

/* Articolo */
.article-hero { background: var(--c-bg-alt); padding-block: var(--space-4); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.25rem; list-style: none; margin: 0 0 var(--space-2); padding: 0; font-size: var(--fs-sm); color: var(--c-muted); }
.breadcrumb li + li::before { content: "›"; margin-right: 0.25rem; }
.breadcrumb a { color: var(--c-muted); }
.byline { color: var(--c-muted); margin: 0; }
.article-grid { display: grid; gap: var(--space-4); padding-block: var(--space-4) var(--space-5); }
@media (min-width: 64rem) {
  .article-grid { grid-template-columns: minmax(0, 46rem) 1fr; gap: var(--space-5); }
  .article-aside { position: relative; }
  .cta-box { position: sticky; top: calc(var(--header-h) + 1.5rem); }
}
/* Le immagini degli articoli (spesso tracciati ECG) sono mostrate intere, senza ritagli */
.article-figure { margin-bottom: var(--space-3); }
.article-figure img { width: 100%; height: auto; max-height: 30rem; object-fit: contain; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); }
.article-figure figcaption { margin-top: 0.5rem; font-size: var(--fs-sm); color: var(--c-muted); }
.byline-date { white-space: nowrap; }
.sources { margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--c-border); }
.sources h2 { font-size: 1.25rem; }
.sources ol { padding-left: 1.25rem; font-size: 0.95rem; color: var(--c-muted); }
.sources li { margin-bottom: 0.4rem; }
.summary { background: var(--c-primary-soft); border-left: 4px solid var(--c-primary); border-radius: var(--radius-sm); padding: var(--space-3); margin-bottom: var(--space-4); }
.summary h2 { font-size: 1.25rem; margin-bottom: var(--space-1); }
.summary p { margin: 0; }
.prose { max-width: 46rem; }
.prose h2 { margin-top: var(--space-4); }
.prose p, .prose li { hyphens: auto; }
.disclaimer { font-size: var(--fs-sm); color: var(--c-muted); border-top: 1px solid var(--c-border); padding-top: var(--space-2); margin-top: var(--space-4); }
.cta-box { background: #fff; border: 1px solid var(--c-border); border-top: 4px solid var(--c-accent); border-radius: var(--radius); padding: var(--space-3); box-shadow: var(--shadow); }
.cta-box h2 { font-size: 1.35rem; }
.cta-box .btn + .btn { margin-top: 0.75rem; }
.related { padding-bottom: var(--space-6); }
.related h2 { font-size: 1.5rem; }

/* Indici di sezione divisi in gruppi */
.group-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-3); }
.group-nav a { padding: 0.4rem 0.9rem; border: 1px solid var(--c-border); border-radius: 999px; background: #fff; color: var(--c-text); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.group-nav a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.group + .group { padding-top: 0; }
.group-title { font-size: 1.6rem; padding-bottom: var(--space-1); margin-bottom: var(--space-3); border-bottom: 2px solid var(--c-border); }

/* Chi sono: percorso professionale */
.timeline { list-style: none; margin: var(--space-3) 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0.45rem; top: 0.4rem; bottom: 0.4rem; width: 2px; background: var(--c-border); }
.timeline li { position: relative; padding: 0 0 var(--space-3) 2rem; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 0.35rem; width: 1rem; height: 1rem; border-radius: 50%; background: #fff; border: 3px solid var(--c-primary); }
.timeline li:last-child::before { background: var(--c-primary); }
.timeline-when { display: block; font-weight: 700; color: var(--c-primary); font-size: 0.95rem; }
.timeline-what { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; line-height: 1.3; }
.timeline-where { display: block; color: var(--c-muted); }

/* Sedi ("Dove ricevo") */
.sedi { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); list-style: none; margin: 0 auto; padding: 0; max-width: 60rem; }
.sede { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-border); border-top: 4px solid var(--c-primary); border-radius: var(--radius); padding: var(--space-3); box-shadow: var(--shadow); scroll-margin-top: calc(var(--header-h) + 1rem); }
.sede-citta { margin: 0; font-size: var(--fs-sm); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--c-primary); }
.sede-nome { margin: 0.15rem 0 0.25rem; }
.sede-indirizzo { color: var(--c-muted); }
.sede-orari { margin: 0 0 var(--space-2); flex: 1; }
.sede-orari div { display: flex; gap: 0.75rem; padding: 0.4rem 0; border-top: 1px solid var(--c-border); }
.sede-orari div:last-child { border-bottom: 1px solid var(--c-border); }
.sede-orari dt { font-weight: 700; min-width: 5.5rem; }
.sede-orari dd { margin: 0; }
.sede-prestazioni { font-size: 0.95rem; color: var(--c-muted); }
.sede-azioni { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.sedi-nota { max-width: 60rem; margin: var(--space-3) auto 0; font-size: 0.95rem; color: var(--c-muted); text-align: center; }

/* 7. Utilità e accessibilità ------------------------------------------------ */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* 8. Stampa ----------------------------------------------------------------- */
@media print {
  .site-header, .action-bar, .site-footer, .article-aside, .related, .skip-link { display: none !important; }
  body { padding: 0; font-size: 11pt; }
  a { color: inherit; }
}