/* Studi Medici — sito per i professionisti (studimedici.net), palette medica
   Stile dal design system "Studi Medici Terralba — Social":
   carta e antracite, un solo filo rosso, Archivo + Plex Mono, angoli vivi. */

@font-face { font-family: Archivo; src: url('fonts/archivo-latin-500-normal.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: Archivo; src: url('fonts/archivo-latin-600-normal.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: Archivo; src: url('fonts/archivo-latin-700-normal.woff2') format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Plex Mono'; src: url('fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2'); font-weight: 500; font-display: swap; }

:root {
  /* Palette per il pubblico medico: bianco clinico, blu del marchio (#4e7ca8) portato
     in profondità, grigio-azzurri tenui. Il rosso del marchio resta solo nel filo. */
  --antracite:  #1c2a38;   /* inchiostro: titoli */
  --antracite2: #33414f;   /* testo corrente */
  --rosso:      #a32d2f;   /* solo filo e segni del marchio */
  --blu:        #2c5d8a;   /* azioni: bottoni, link attivi */
  --blu-scuro:  #234b70;
  --notte:      #1d3a57;   /* sezioni scure */
  --azzurro:    #3a6a96;   /* etichette */
  --azzurro-chiaro: #9cc3e4; /* etichette su fondo scuro */
  --carta:      #f4f7fa;   /* fondo pagina */
  --carta2:     #e6eef5;   /* sezioni alternate */
  --tenue:      #56636f;
  --bianco:     #ffffff;
  --linea:      #d5e0ea;
  --errore:     #a32d2f;

  --sans: Archivo, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --gutter: clamp(20px, 5vw, 64px);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--carta); color: var(--antracite2);
  font-family: var(--sans); font-weight: 500; font-size: 18px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--blu); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blu-scuro); }
:focus-visible { outline: 3px solid var(--azzurro); outline-offset: 2px; }

/* trama a punti, come sulle slide */
.trama { position: relative; }
.trama::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: none;
  background-size: 4px 4px; opacity: .5;
}
.scuro.trama::after { background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); position: relative; z-index: 1; }

/* ---- testata ---------------------------------------------------- */
.testata {
  background: var(--notte); color: var(--carta);
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.testata .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }
.marchio { color: var(--bianco); text-decoration: none; line-height: 1.15; }
.marchio b { display: block; font-weight: 700; font-size: 20px; letter-spacing: -.01em; }
.marchio span { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--azzurro-chiaro); }
.marchio:hover { color: var(--bianco); }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { color: rgba(255,255,255,.8); text-decoration: none; font-size: 16px; }
.nav a:hover { color: var(--bianco); }
.nav .bottone { color: var(--notte); }
@media (max-width: 760px) { .nav a:not(.bottone) { display: none; } }

/* ---- bottoni ---------------------------------------------------- */
.bottone {
  display: inline-block; font-family: var(--sans); font-weight: 700; font-size: 17px;
  padding: 14px 24px; background: var(--blu); color: var(--bianco);
  text-decoration: none; border: 0; border-radius: 6px; cursor: pointer; line-height: 1.2;
}
.bottone:hover { background: var(--blu-scuro); color: var(--bianco); }
.bottone.secondario { background: transparent; color: var(--blu); box-shadow: inset 0 0 0 2px var(--blu); }
.bottone.secondario:hover { background: var(--blu); color: var(--bianco); }
.scuro .bottone.secondario { color: var(--carta); box-shadow: inset 0 0 0 2px rgba(255,255,255,.7); }
.scuro .bottone.secondario:hover { background: var(--bianco); color: var(--notte); }
.bottone[disabled] { opacity: .55; cursor: wait; }

/* ---- tipografia ------------------------------------------------- */
.etichetta {
  font-family: var(--mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--azzurro); margin: 0 0 18px;
}
.scuro .etichetta { color: var(--azzurro-chiaro); }
.filo { width: 72px; height: 6px; background: var(--rosso); margin: 0 0 28px; }
h1, h2, h3 { color: var(--antracite); font-weight: 700; margin: 0; }
h1 { font-size: clamp(40px, 6.4vw, 76px); line-height: 1.04; letter-spacing: -.024em; }
h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.1; letter-spacing: -.018em; margin-bottom: 20px; }
h3 { font-size: 21px; line-height: 1.25; letter-spacing: -.01em; margin-bottom: 8px; }
.scuro h1, .scuro h2, .scuro h3 { color: var(--bianco); }
p { margin: 0 0 16px; }
.lead { font-size: clamp(19px, 1.9vw, 23px); line-height: 1.5; max-width: 40em; }
.scuro { background: var(--notte); color: rgba(255,255,255,.86); }
.scuro a { color: var(--bianco); }
.tenue { color: var(--tenue); }
.scuro .tenue { color: rgba(255,255,255,.62); }
strong { color: var(--antracite); font-weight: 700; }
.scuro strong { color: var(--bianco); }

/* ---- sezioni ---------------------------------------------------- */
.sezione { padding: clamp(64px, 9vw, 112px) 0; }
.sezione + .sezione:not(.scuro):not(.carta2) { border-top: 1px solid var(--linea); }
.carta2 { background: var(--carta2); }

.copertina { padding: clamp(72px, 12vw, 148px) 0 clamp(64px, 9vw, 112px); }
.copertina h1 { max-width: 13em; }
.copertina .lead { margin-top: 28px; color: rgba(255,255,255,.86); }
.azioni { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.griglia { display: grid; gap: 40px 32px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.voce { background: var(--bianco); border-top: 3px solid var(--blu); border-radius: 0 0 8px 8px; padding: 24px; box-shadow: 0 1px 2px rgba(28,42,56,.05); }
.scuro .voce { background: rgba(255,255,255,.06); border-top-color: var(--azzurro-chiaro); box-shadow: none; }

/* specialità */
.specialita { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 0 40px; }
.specialita li {
  padding: 14px 0 14px 34px; position: relative; border-bottom: 1px solid var(--linea);
  font-size: 19px; color: var(--antracite);
}
.specialita li::before { content: ''; position: absolute; left: 0; top: 26px; width: 16px; height: 5px; background: var(--azzurro); border-radius: 3px; }
.specialita li small { display: block; color: var(--tenue); font-size: 15px; }

/* passi */
.passi { list-style: none; counter-reset: passo; margin: 36px 0 0; padding: 0; display: grid; gap: 32px 32px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.passi li { counter-increment: passo; }
.passi li::before {
  content: counter(passo, decimal-leading-zero); display: block;
  font-family: var(--mono); font-size: 14px; letter-spacing: .14em; color: var(--azzurro-chiaro); margin-bottom: 12px;
}

/* distanze */
.distanze { display: flex; flex-wrap: wrap; gap: 20px 56px; margin-top: 28px; }
.distanza b { display: block; font-size: clamp(34px, 4vw, 48px); font-weight: 700; color: var(--antracite); letter-spacing: -.02em; line-height: 1.05; }
.distanza span { font-family: var(--mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--tenue); }

.due-colonne { display: grid; grid-template-columns: 1fr; gap: 40px; }
@media (min-width: 900px) { .due-colonne { grid-template-columns: 5fr 6fr; gap: 72px; } }

/* ---- piede ------------------------------------------------------ */
.piede { background: #16304a; color: rgba(255,255,255,.62); padding: 48px 0 40px; font-size: 15px; }
.piede .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px 48px; }
.piede a { color: rgba(255,255,255,.86); }
.piede .marchio b { font-size: 18px; }
.piede ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.disclaimer { width: 100%; border-top: 1px solid rgba(255,255,255,.18); padding-top: 20px; margin-top: 8px; font-size: 14px; }

/* ---- modulo ----------------------------------------------------- */
.modulo { background: var(--bianco); padding: clamp(24px, 4vw, 48px); border-top: 6px solid var(--blu); border-radius: 0 0 10px 10px; box-shadow: 0 1px 2px rgba(28,42,56,.06), 0 8px 24px rgba(28,42,56,.06); }
.modulo fieldset { border: 0; padding: 0; margin: 0 0 36px; }
.modulo legend { font-family: var(--mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--azzurro); padding: 0; margin-bottom: 18px; }
.campi { display: grid; gap: 20px 24px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .campi.due { grid-template-columns: 1fr 1fr; } }
.campo label, .campo .nome-campo { display: block; font-weight: 600; color: var(--antracite); font-size: 16px; margin-bottom: 6px; }
.campo .aiuto { display: block; font-size: 14px; color: var(--tenue); margin-top: 6px; line-height: 1.4; }
.campo input[type=text], .campo input[type=email], .campo input[type=tel], .campo select, .campo textarea {
  width: 100%; font: inherit; font-size: 17px; color: var(--antracite);
  padding: 12px 14px; background: var(--bianco); border: 1px solid #8e9aa6; border-radius: 6px;
}
.campo textarea { min-height: 120px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 3px solid var(--azzurro); outline-offset: 0; border-color: var(--antracite); }
.campo input[type=file] { font: inherit; font-size: 15px; }
.campo.nascosto { display: none; }
.obbl { color: var(--rosso); }
.scelte { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.scelte label { font-weight: 500; display: inline-flex; align-items: center; gap: 8px; margin: 0; cursor: pointer; }
.scelte input { width: 18px; height: 18px; accent-color: var(--blu); }
.consenso { display: flex; gap: 12px; align-items: flex-start; font-size: 16px; }
.consenso input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--blu); flex: none; }
.errore-campo { color: var(--errore); font-size: 14px; margin-top: 6px; display: none; }
.campo.ko .errore-campo { display: block; }
.campo.ko input, .campo.ko select { border-color: var(--errore); }
.avviso { padding: 16px 20px; margin-bottom: 28px; background: #fbeaea; color: #6e1d1f; border-radius: 6px; border-left: 4px solid var(--rosso); }
.nota-captcha { font-size: 13px; color: var(--tenue); margin-top: 16px; }
.grecaptcha-badge { visibility: hidden; }

/* trappola per i bot: fuori schermo, non display:none */
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---- pagine di testo ------------------------------------------- */
.testo-lungo { max-width: 46em; }
.testo-lungo h2 { font-size: 26px; margin: 40px 0 12px; }
.testo-lungo ul { padding-left: 22px; }
.testo-lungo li { margin-bottom: 8px; }
.segnaposto { background: #fff3c4; padding: 0 4px; }

/* sul blu notte il bottone principale diventa bianco: si stacca dal fondo */
.scuro .bottone:not(.secondario), .testata .bottone { background: var(--bianco); color: var(--notte); }
.scuro .bottone:not(.secondario):hover, .testata .bottone:hover { background: var(--carta2); color: var(--notte); }

/* ---- navigazione accessoria ----------------------------------- */
.salta { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--bianco); color: var(--notte); padding: 10px 16px; border-radius: 6px; font-weight: 700; }
.salta:focus { left: 12px; }
.nav a[aria-current="page"] { color: var(--bianco); text-decoration: underline; text-underline-offset: 6px; }
.briciole { background: var(--bianco); border-bottom: 1px solid var(--linea); font-size: 14px; }
.briciole ol { list-style: none; margin: 0; padding: 12px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.briciole li + li::before { content: '›'; margin-right: 6px; color: var(--tenue); }
.briciole li[aria-current] { color: var(--tenue); }

/* ---- piede a colonne ------------------------------------------- */
.piede .wrap > div, .piede .wrap > nav { min-width: 200px; }
.piede-titolo { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--azzurro-chiaro); margin: 0 0 12px; }
.piede-testo { max-width: 22em; margin-top: 14px; }
.piede-colonne { columns: 2; column-gap: 32px; }
.piede-colonne li { break-inside: avoid; margin-bottom: 8px; }

/* ---- schede specialità ----------------------------------------- */
.schede { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); margin-top: 36px; }
.scheda {
  display: block; background: var(--bianco); border-radius: 8px; padding: 22px 22px 20px; text-decoration: none;
  border: 1px solid var(--linea); box-shadow: 0 1px 2px rgba(28,42,56,.05); transition: border-color .15s, box-shadow .15s, transform .15s;
}
.scheda:hover { border-color: var(--blu); box-shadow: 0 6px 20px rgba(28,42,56,.08); transform: translateY(-1px); color: inherit; }
.scheda h3 { color: var(--antracite); }
.scheda p { color: var(--tenue); font-size: 15px; margin: 0 0 12px; }
.scheda .vai { font-weight: 700; font-size: 15px; color: var(--blu); }
.distintivo { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--blu); background: var(--carta2); padding: 3px 8px; border-radius: 4px; margin-bottom: 10px; }

/* ---- pagina specialità ----------------------------------------- */
.elenco-spunte { list-style: none; padding: 0; margin: 16px 0 0; }
.elenco-spunte li { position: relative; padding: 10px 0 10px 32px; border-bottom: 1px solid var(--linea); color: var(--antracite); }
.elenco-spunte li::before { content: ''; position: absolute; left: 4px; top: 17px; width: 12px; height: 7px; border-left: 2.5px solid var(--blu); border-bottom: 2.5px solid var(--blu); transform: rotate(-45deg); }
.riquadro { background: var(--bianco); border-radius: 10px; padding: clamp(22px, 3vw, 32px); border: 1px solid var(--linea); }
.riquadro h2 { font-size: 24px; margin-bottom: 12px; }
.riquadro .bottone { margin-top: 12px; width: 100%; text-align: center; }

/* ---- domande frequenti ----------------------------------------- */
.faq { max-width: 50em; margin-top: 28px; }
.faq details { border-bottom: 1px solid var(--linea); padding: 4px 0; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--antracite); padding: 14px 32px 14px 0; list-style: none; position: relative; font-size: 18px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; top: 10px; font-size: 24px; color: var(--blu); font-weight: 500; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin: 0 0 16px; }