/* L'uomo e la malattia — presentazione a slide */
:root {
  --crema: #f8e7d5;
  --crema-chiaro: #fdf5ec;
  --blu: #1f2f4d;
  --blu-scuro: #141f35;
  --oro: #b07a3a;
  --oro-chiaro: #d9a75f;
  --testo: #26324a;
  --grigio: #6b6f7a;
  --titoli: "Lora", Georgia, "Times New Roman", serif;
  --corpo: "Source Sans 3", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: #0d1424;
  color: var(--testo);
  font-family: var(--corpo);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Palco 16:9 (1600×900) scalato sullo schermo ---------- */
#palco {
  position: absolute;
  width: 1600px; height: 900px;
  left: 50%; top: 50%;
  transform-origin: center center;
}
.slide {
  position: absolute; inset: 0;
  background: var(--crema);
  overflow: hidden;
  opacity: 0; visibility: hidden;
  transition: opacity .55s ease, transform .55s ease, visibility 0s .55s;
  transform: translateX(40px);
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
}
.slide.prima { transform: translateX(-40px); }
.slide.attiva {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity .55s ease, transform .55s ease, visibility 0s;
}

/* cornice sottile dorata, come in un libro antico */
.slide::after {
  content: ""; position: absolute; inset: 22px;
  border: 1px solid rgba(176,122,58,.35);
  pointer-events: none;
}
.slide--scura::after, .slide--copertina::after { display: none; }

.dentro { position: absolute; inset: 60px 90px 70px; display: flex; flex-direction: column; justify-content: center; }

/* ---------- Tipografia ---------- */
h1, h2, h3 { font-family: var(--titoli); color: var(--blu); font-weight: 600; line-height: 1.1; }
h2 { font-size: 66px; margin-bottom: 14px; }
h2 em, h1 em { font-style: italic; font-weight: 500; }
h3 { font-size: 34px; color: var(--oro); font-weight: 700; margin: 6px 0 10px; }
.occhiello {
  font-family: var(--corpo); font-size: 20px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--oro); font-weight: 700; margin-bottom: 10px;
}
.filetto { width: 90px; height: 3px; background: var(--oro); margin: 6px 0 28px; border: 0; }
p, li { font-size: 34px; line-height: 1.42; }
p + p { margin-top: 18px; }
strong { color: var(--blu); font-weight: 700; }
.evid { color: var(--oro); font-weight: 700; }
.piccolo { font-size: 28px; line-height: 1.42; }
.fonte { font-size: 21px; color: var(--grigio); margin-top: auto; padding-top: 14px; font-style: italic; }

ul.punti { list-style: none; }
ul.punti li { position: relative; padding-left: 38px; margin: 10px 0; }
ul.punti li::before {
  content: ""; position: absolute; left: 6px; top: .55em;
  width: 12px; height: 12px; background: var(--oro); transform: rotate(45deg);
}

/* comparsa graduale degli elementi */
.slide.attiva .entra { animation: entra .7s both; }
.slide.attiva .entra:nth-child(2) { animation-delay: .12s; }
.slide.attiva .entra:nth-child(3) { animation-delay: .24s; }
.slide.attiva .entra:nth-child(4) { animation-delay: .36s; }
.slide.attiva .entra:nth-child(5) { animation-delay: .48s; }
.slide.attiva .entra:nth-child(6) { animation-delay: .60s; }
.slide.attiva .entra:nth-child(7) { animation-delay: .72s; }
.slide.attiva .entra:nth-child(8) { animation-delay: .84s; }
@keyframes entra { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---------- Impaginazioni ---------- */
.due { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; height: 100%; align-items: center; }
.due--meta { grid-template-columns: 1fr 1fr; }
.due--img-sx { grid-template-columns: .85fr 1.15fr; }
.colonna { display: flex; flex-direction: column; justify-content: center; min-height: 0; }

figure { display: flex; flex-direction: column; align-items: center; min-height: 0; height: 100%; justify-content: center; }
figure img {
  max-width: 100%; max-height: 640px; object-fit: contain;
  border: 8px solid #fff; box-shadow: 0 14px 34px rgba(31,47,77,.28);
  cursor: zoom-in; background: #fff;
}
figure.alta img { max-height: 700px; }
figcaption { font-size: 21px; color: var(--grigio); margin-top: 14px; text-align: center; line-height: 1.35; max-width: 92%; }
figcaption b { color: var(--blu); }
.foto-due { display: flex; gap: 24px; align-items: center; justify-content: center; height: 100%; }
.foto-due figure { flex: 1; }
.foto-due figure img { max-height: 560px; }

/* ---------- Copertina ---------- */
.slide--copertina { background: var(--crema); }
.cop-img {
  position: absolute; left: 0; top: 0; height: 100%; width: 720px;
  background: url("img/copertina-pandora.jpg") center 30% / cover no-repeat;
}
.cop-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(248,231,213,0) 55%, var(--crema) 98%);
}
.cop-testo { position: absolute; left: 720px; right: 80px; top: 60px; bottom: 60px; display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.loghi { display: flex; align-items: center; gap: 40px; }
.loghi img { height: 110px; mix-blend-mode: multiply; }
.loghi img.milazzo { height: 96px; }
.cop-testo h1 { font-size: 132px; margin-top: 70px; letter-spacing: -1px; }
.cop-testo h1 em { display: block; font-size: 128px; }
.cop-testo .rel { margin-top: 40px; font-size: 30px; }
.cop-testo .rel strong { font-family: var(--titoli); font-size: 40px; display: block; }
.dati-evento { margin-top: auto; display: flex; gap: 46px; font-size: 26px; color: var(--blu); }
.dati-evento div { display: flex; align-items: center; gap: 14px; text-align: left; line-height: 1.15; }
.dati-evento b { font-family: var(--titoli); font-size: 32px; display: block; }
.dati-evento svg { width: 46px; height: 46px; stroke: var(--blu); fill: none; stroke-width: 1.8; flex: none; }

/* ---------- Programma ---------- */
.programma { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; margin-top: 10px; }
.persona { margin: 16px 0 20px; }
.persona strong { font-family: var(--titoli); font-size: 40px; display: block; }
.persona span { font-size: 28px; color: var(--grigio); }

/* ---------- Sezioni (fondo blu) ---------- */
.slide--scura { background: radial-gradient(ellipse at 30% 40%, #2c4068 0%, var(--blu) 45%, var(--blu-scuro) 100%); color: #e9e2d6; }
.slide--scura h2 { color: #fff; font-size: 96px; }
.slide--scura .occhiello { color: var(--oro-chiaro); font-size: 24px; }
.slide--scura p { color: #d8d0c2; }
.slide--scura .piccolo { font-size: 30px; }
.sezione { position: absolute; inset: 0 120px; display: flex; flex-direction: column; justify-content: center; }
.sezione .num {
  font-family: var(--titoli); font-size: 260px; color: rgba(217,167,95,.16);
  position: absolute; right: 0; bottom: 30px; line-height: 1; font-style: italic;
}
.sezione .filetto { background: var(--oro-chiaro); width: 140px; }
.sezione-bg { position: absolute; right: 0; top: 0; width: 46%; height: 100%; background-size: cover; background-position: center; opacity: .28; filter: sepia(.4); }
.sezione-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--blu) 0%, rgba(31,47,77,0) 60%); }

/* ---------- Citazione ---------- */
.citazione { font-family: var(--titoli); font-style: italic; font-size: 52px; line-height: 1.3; color: var(--blu); }
.citazione::before { content: "“"; font-size: 160px; color: var(--oro); line-height: 0; vertical-align: -0.45em; margin-right: 8px; }
.autore { margin-top: 26px; font-size: 26px; color: var(--oro); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

/* ---------- Riquadri / schemi ---------- */
.studia { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: center; margin-top: 30px; }
.studia .tondo {
  width: 240px; height: 240px; border-radius: 50%; background: var(--blu); color: #fff;
  display: grid; place-items: center; font-family: var(--titoli); font-size: 40px; font-weight: 700; letter-spacing: .06em;
}
.riquadro {
  background: var(--crema-chiaro); border-left: 6px solid var(--oro); padding: 22px 28px; margin: 12px 0;
  box-shadow: 0 6px 18px rgba(31,47,77,.08);
}
.riquadro p { font-size: 31px; }
.coppia { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 30px; }
.coppia .riquadro { margin: 0; text-align: center; padding: 34px; }
.coppia .riquadro b { font-family: var(--titoli); font-size: 46px; color: var(--blu); display: block; margin-bottom: 8px; }

.frasi { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 10px; }
.frasi ul { list-style: none; }
.frasi li { font-family: var(--titoli); font-style: italic; font-size: 32px; padding: 12px 20px; margin: 10px 0; background: var(--crema-chiaro); border-radius: 4px; }
.frasi li::before { content: "« "; color: var(--oro); }
.frasi li::after { content: " »"; color: var(--oro); }

/* schema ad albero delle facies */
.albero { display: flex; flex-direction: column; align-items: center; gap: 30px; margin-top: 10px; }
.albero .riga { display: flex; gap: 22px; justify-content: center; position: relative; }
.nodo {
  background: var(--blu); color: #fff; padding: 16px 26px; text-align: center; font-size: 27px; font-weight: 700;
  letter-spacing: .04em; border-radius: 4px; min-width: 340px; position: relative;
}
.nodo small { display: block; font-weight: 400; font-size: 21px; color: #d6dbe6; letter-spacing: 0; margin-top: 2px; }
.nodo--oro { background: var(--oro); }
.nodo--chiaro { background: var(--crema-chiaro); color: var(--blu); border: 2px solid var(--blu); }
.nodo--chiaro small { color: var(--grigio); }
.freccia { width: 2px; height: 22px; background: var(--oro); margin: -22px auto -4px; }

/* ---------- Linea del tempo ---------- */
.tempo { position: relative; margin-top: 50px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.tempo::before { content: ""; position: absolute; left: 0; right: 0; top: 34px; height: 3px; background: var(--oro); }
.tappa { position: relative; text-align: center; }
.tappa .anno { display: inline-block; background: var(--blu); color: #fff; font-family: var(--titoli); font-weight: 700; font-size: 26px; padding: 10px 14px; border-radius: 40px; position: relative; z-index: 1; }
.tappa img { width: 100%; height: 240px; object-fit: cover; object-position: top; margin-top: 18px; border: 5px solid #fff; box-shadow: 0 8px 20px rgba(31,47,77,.2); cursor: zoom-in; }
.tappa p { font-size: 24px; line-height: 1.3; margin-top: 12px; }
.tappa p b { color: var(--blu); display: block; font-family: var(--titoli); font-size: 27px; }

/* ---------- Crediti ---------- */
.crediti { columns: 2; column-gap: 50px; font-size: 20px; line-height: 1.45; color: var(--testo); }
.crediti p { font-size: 20px; line-height: 1.4; break-inside: avoid; margin: 0 0 6px; }

/* ---------- Barra comandi ---------- */
#barra {
  position: fixed; left: 0; right: 0; bottom: 0; height: 54px;
  display: flex; align-items: center; gap: 10px; padding: 0 16px;
  background: linear-gradient(0deg, rgba(10,16,30,.92), rgba(10,16,30,0));
  color: #e8e1d5; font-size: 15px; z-index: 20;
  opacity: 0; transition: opacity .35s;
}
body.mostra-barra #barra, #barra:hover { opacity: 1; }
#barra button {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); color: #fff;
  height: 36px; min-width: 40px; padding: 0 12px; border-radius: 6px; cursor: pointer; font: inherit;
  display: inline-flex; align-items: center; gap: 6px;
}
#barra button:hover { background: rgba(217,167,95,.35); border-color: var(--oro-chiaro); }
#barra svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; }
#contatore { min-width: 72px; text-align: center; font-variant-numeric: tabular-nums; }
#titolo-sez { flex: 1; text-align: center; color: #c9bfae; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#avanzamento { position: fixed; left: 0; bottom: 0; height: 4px; background: var(--oro-chiaro); z-index: 21; transition: width .4s; }

/* zone cliccabili ai lati per avanzare/tornare */
.zona { position: fixed; top: 0; bottom: 60px; width: 12%; z-index: 10; cursor: pointer; }
#zona-sx { left: 0; } #zona-dx { right: 0; }

/* ---------- Indice (panoramica) ---------- */
#indice {
  position: fixed; inset: 0; background: rgba(10,16,30,.96); z-index: 40;
  overflow-y: auto; padding: 40px 50px 80px; display: none;
}
#indice.aperto { display: block; }
#indice h4 { color: var(--oro-chiaro); font-family: var(--titoli); font-size: 26px; margin: 26px 0 14px; font-weight: 600; }
#indice h4:first-child { margin-top: 0; }
.griglia { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.mini {
  background: var(--crema); color: var(--blu); border: 2px solid transparent; border-radius: 6px;
  padding: 12px 14px; cursor: pointer; text-align: left; font: 600 16px/1.3 var(--corpo); min-height: 74px;
  display: flex; gap: 10px;
}
.mini span { color: var(--oro); font-variant-numeric: tabular-nums; }
.mini:hover, .mini.corrente { border-color: var(--oro-chiaro); background: #fff; }
#chiudi-indice { position: fixed; top: 18px; right: 24px; z-index: 41; }

/* ---------- Ingrandimento immagini ---------- */
#zoom {
  position: fixed; inset: 0; background: rgba(5,8,16,.94); z-index: 50; display: none;
  align-items: center; justify-content: center; flex-direction: column; cursor: zoom-out; padding: 30px;
}
#zoom.aperto { display: flex; }
#zoom img { max-width: 94vw; max-height: 86vh; object-fit: contain; box-shadow: 0 20px 60px #000; }
#zoom p { color: #ddd; font-size: 16px; margin-top: 14px; text-align: center; max-width: 80vw; }

.btn-chiaro {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); color: #fff;
  border-radius: 6px; padding: 8px 16px; font: 15px var(--corpo); cursor: pointer;
}

@media print {
  body { overflow: visible; background: #fff; }
  #barra, #avanzamento, .zona, #indice, #zoom { display: none !important; }
  #palco { position: static; transform: none !important; }
  .slide { position: relative; opacity: 1; visibility: visible; transform: none; page-break-after: always; box-shadow: none; }
}