/* StereoCAD - sito, versione 2026-10. Stessa struttura e stessi stili di stereocloud3d.com;
   cambia solo l'accento: il verde acqua del tema dell'app (StereoCadTheme.h, kBase #2CCFBE). */
:root {
  --bg: #1e2023; --bg2: #292b2f; --panel: #2f3237; --line: #3b3f45;
  --ink: #eceef0; --muted: #a3a8af; --accent: #2ccfbe; --accent-dim: rgba(44,207,190,.16);
  --maxw: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* i link interni non finiscono sotto l'intestazione fissa (64 px; 96 sul telefono) */
[id] { scroll-margin-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 400 18px/1.65 "Segoe UI", -apple-system, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
strong, b { font-weight: 600; }

/* header */
header { position: sticky; top: 0; z-index: 10; background: rgba(30,32,35,.86);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 20px; }
.wordmark { font-size: 22px; color: var(--ink); letter-spacing: .2px; white-space: nowrap; }
.wordmark b { font-weight: 700; }
.wordmark:hover { text-decoration: none; }
nav { display: flex; gap: 26px; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 15px; font-weight: 400; }
nav a:hover { color: var(--ink); text-decoration: none; }
nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent);
  text-underline-offset: 6px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* hero: la frase dello splash in testo vero, accanto alla carta disegnata sulla nuvola */
.hero { padding: 76px 0 96px; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.35fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 3.4vw, 46px); font-weight: 300; line-height: 1.1; margin: 0 0 22px; }
.hero h1 b { font-weight: 600; color: var(--accent); }
.hero .lead { color: var(--muted); max-width: 34em; margin: 0 0 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-figure { margin: 0; border-radius: 6px; overflow: hidden; background: #000;
  box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.hero-figure img { width: 100%; height: auto; }
.hero-figure figcaption { padding: 10px 14px; font-size: 14px; color: var(--muted); background: var(--bg2); }
.hero-alt { margin: 18px 0 0; font-size: 15px; color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* concetti: immagine grande, una frase */
.concept { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center;
  padding: 110px 0; border-top: 1px solid var(--line); }
.concept:nth-of-type(even) { grid-template-columns: 1fr 1.35fr; }
.concept:nth-of-type(even) figure { order: 2; }
.concept figure { margin: 0; border-radius: 6px; overflow: hidden; box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.concept figure img { width: 100%; height: 440px; object-fit: cover; }
.concept h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 300; line-height: 1.12; margin: 0 0 20px; }
.concept h2 b { font-weight: 600; }
.concept p { color: var(--muted); margin: 0 0 14px; max-width: 36em; }
.kicker { font-size: 13px; letter-spacing: 2.4px; text-transform: uppercase; color: var(--accent); margin: 0 0 14px; font-weight: 400; }


/* coppia stereo: i due occhi alternati (effetto "wiggle"), profondita' senza occhiali */
.stereo-pair { position: relative; }
.stereo-pair img { width: 100%; height: 440px; object-fit: cover; }
.stereo-pair img.right { position: absolute; top: 0; left: 0; animation: eye 0.34s steps(1) infinite; }
@keyframes eye { 0% { opacity: 0; } 50% { opacity: 1; } }
.stereo-pair figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 14px;
  font-size: 13px; color: #d9dde2; background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.72)); }
.stereo-paused .stereo-pair img.right { animation: none; opacity: 0; }
.stereo-pair .pause { position: absolute; top: 10px; right: 10px; padding: 4px 12px; border-radius: 4px;
  font-family: inherit; font-size: 13px; font-weight: 400; line-height: 1.5; color: var(--ink); cursor: pointer;
  background: rgba(0,0,0,.55); border: 1px solid rgba(255,255,255,.22); }
.stereo-pair .pause:hover { background: rgba(0,0,0,.75); }
@media (prefers-reduced-motion: reduce) {
  .stereo-pair img.right { animation: none; opacity: 0; }
  .stereo-pair .pause { display: none; }
  html { scroll-behavior: auto; }
  .card { transition: none; }
  a.card:hover { transform: none; }
}
.concept figure.sheet { background: #fff; }
.concept figure.sheet img { object-fit: contain; padding: 24px; }

/* tre modi: automatico, mono, stereo */
.ways { padding: 110px 0; }
.ways .lead { color: var(--muted); max-width: 38em; margin: 0 0 46px; }
.ways-grid { display: grid; gap: 30px; }
.way figure { margin: 0 0 20px; height: 260px; border-radius: 6px; overflow: hidden; background: #000;
  box-shadow: 0 20px 50px rgba(0,0,0,.4); }
.way figure img { width: 100%; height: 260px; object-fit: cover; }
.way figure.mono { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2px; }
.way h3 { font-size: 22px; font-weight: 600; margin: 0 0 8px; }
.way p { color: var(--muted); font-size: 16px; margin: 0; }
/* lo stereo, filo conduttore: una fascia larga prima delle altre due vie */
.stereo-band { display: grid; grid-template-columns: 1.6fr 1fr; gap: 44px; align-items: center; margin: 0 0 56px; }
.stereo-band .stereo-pair { margin: 0; border-radius: 6px; overflow: hidden; background: #000;
  box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.stereo-band .stereo-pair img { height: auto; aspect-ratio: 880 / 495; }
.stereo-band h3 { font-size: clamp(26px, 2.6vw, 34px); font-weight: 600; margin: 0 0 14px; }
.stereo-band p { color: var(--muted); margin: 0 0 18px; }
.hw { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hw li { font-size: 14px; font-weight: 400; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); }
.ways-grid { grid-template-columns: repeat(2, 1fr); }

/* indice delle storie */
.stories { padding: 110px 0; border-top: 1px solid var(--line); background: var(--bg2); }
.stories h2, .section-title { font-size: clamp(30px, 3.4vw, 44px); font-weight: 300; margin: 0 0 12px; }
.stories .lead { color: var(--muted); max-width: 38em; margin: 0 0 46px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; overflow: hidden;
  color: var(--ink); display: flex; flex-direction: column; transition: transform .2s, border-color .2s; }
.card img { width: 100%; height: 170px; object-fit: cover; }
.card .body { padding: 16px 18px 20px; }
.card .tag { display: inline-block; margin: 0 0 8px; padding: 2px 9px; font-size: 12px; font-weight: 600;
  letter-spacing: .3px; color: var(--accent); border: 1px solid var(--line); border-radius: 999px; }
.card h3 { font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.card p { font-size: 15px; color: var(--muted); margin: 0; line-height: 1.5; }
.card .state { display: inline-block; margin-top: 12px; font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase; }
a.card:hover { transform: translateY(-3px); border-color: var(--accent); text-decoration: none; }
a.card .state { color: var(--accent); }

/* contatto subito dopo le storie */
.cta-strip { margin: 56px 0 0; padding: 34px 30px; text-align: center; background: var(--panel);
  border: 1px solid var(--line); border-radius: 6px; }
.cta-strip p { margin: 0; font-size: 20px; }
.cta-strip .actions { margin-top: 22px; }

/* cosa serve */
.needs { padding: 100px 0 90px; border-top: 1px solid var(--line); }
.needs h2 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 300; margin: 0 0 36px; }
.needs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.needs h3 { font-size: 18px; font-weight: 600; margin: 0 0 12px; }
.needs ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 16px; }
.needs li { margin: 0 0 8px; }
.needs .more { margin: 30px 0 0; font-size: 15px; }

/* about, contatti, piede */
.about { padding: 100px 0; border-top: 1px solid var(--line); text-align: center; }
.about .menci { width: 340px; max-width: 70%; margin: 0 auto 34px; opacity: .92; }
.about p { max-width: 760px; margin: 0 auto 14px; color: var(--muted); }
.about p.first { color: var(--ink); font-size: 20px; }
.notice { max-width: 760px; margin: 28px auto 0; padding: 14px 18px; text-align: left; font-size: 15px;
  border: 1px solid var(--line); border-radius: 6px; color: var(--muted); }
.notice b { color: var(--accent); }
.actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 6px; font-size: 16px; font-weight: 400;
  background: var(--accent); color: #0b2724; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn:hover { text-decoration: none; filter: brightness(1.08); }
footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer img { height: 34px; width: auto; opacity: .85; }
footer nav a { font-size: 14px; }

/* pagina di una storia */
.story-hero { padding: 90px 0 50px; }
.story-hero .back { font-size: 15px; font-weight: 400; }
.story-hero h1 { font-size: clamp(36px, 4.6vw, 60px); font-weight: 300; margin: 18px 0 18px; line-height: 1.08; }
.story-hero h1 b { font-weight: 600; }
.story-hero .lead { color: var(--muted); max-width: 36em; font-size: 20px; }
.facts { display: flex; gap: 42px; flex-wrap: wrap; margin: 34px 0 0; padding: 0; list-style: none; }
.facts li { font-size: 14px; color: var(--muted); }
.facts li b { display: block; font-size: 26px; color: var(--ink); font-weight: 300; }
.step { padding: 60px 0; border-top: 1px solid var(--line); }
.step .num { font-size: 13px; letter-spacing: 2.4px; text-transform: uppercase; color: var(--accent); }
.step h2 { font-size: 30px; font-weight: 400; margin: 8px 0 14px; }
.step p { color: var(--muted); max-width: 38em; margin: 0 0 12px; }
.step figure { margin: 26px 0 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.step figure { background: #111316; }
.step figure.sheet { background: #fff; }
.step figure.sheet img { padding: 24px; }
.step figure img { width: 100%; max-height: 720px; object-fit: contain; }
.step .manual { font-size: 15px; font-weight: 400; }
.other-stories { list-style: none; margin: 0 auto 30px; padding: 0; display: flex; flex-wrap: wrap;
  justify-content: center; gap: 10px 22px; }
.other-stories a { font-size: 16px; }
.step figure a.zoom { display: block; cursor: zoom-in; }
.note { font-size: 14px; color: var(--muted); border-left: 2px solid var(--line); padding-left: 14px; margin-top: 18px; }

@media (max-width: 960px) {
  .concept, .concept:nth-of-type(even) { grid-template-columns: 1fr; gap: 28px; padding: 70px 0; }
  .concept:nth-of-type(even) figure { order: 0; }
  .concept figure img, .stereo-pair img { height: 300px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .ways-grid, .stereo-band { grid-template-columns: 1fr; }
  .needs-grid { grid-template-columns: 1fr 1fr; }
  .stereo-band { gap: 24px; }
  nav { gap: 16px; }
  .hero { padding: 48px 0 64px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .grid { grid-template-columns: 1fr; }
  /* sul telefono il menu resta: una riga sotto il marchio, che scorre di lato */
  header .wrap { height: auto; flex-wrap: wrap; row-gap: 0; padding-top: 12px; }
  header nav { width: 100%; flex-wrap: nowrap; gap: 22px; overflow-x: auto; padding: 0 24px 2px 0;
    scrollbar-width: none; -webkit-mask-image: linear-gradient(90deg, #000 86%, transparent);
    mask-image: linear-gradient(90deg, #000 86%, transparent); }
  header nav::-webkit-scrollbar { display: none; }
  header nav a { white-space: nowrap; padding: 10px 0; }
  [id] { scroll-margin-top: 112px; }
  footer nav a { display: inline-block; padding: 10px 0; }
  .story-hero { padding: 36px 0 34px; }
  .cta-strip { padding: 26px 18px; }
  .card { flex-direction: row; align-items: stretch; }
  .card img { width: 118px; height: auto; min-height: 100%; flex: none; }
  .card .body { padding: 12px 14px; }
  .card .state { display: none; }
  .grid { gap: 12px; }
  .way figure.mono { height: auto; grid-template-columns: 1fr 1fr; }
  .way figure.mono img { height: auto; }
  .needs-grid { grid-template-columns: 1fr; gap: 26px; }
}

/* --- solo StereoCAD --- */

/* lingua: EN / IT nell'intestazione */
.lang { font-size: 13px; letter-spacing: 1px; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.lang:hover { color: var(--ink); border-color: var(--accent); text-decoration: none; }
header .right { display: flex; align-items: center; gap: 26px; }


/* formati di ingresso: elenco a pillole */
.formats { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.formats li { font-size: 14px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); }

/* pagine di testo (privacy) */
.legal { padding: 80px 0 100px; max-width: 820px; }
.legal h1 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 300; margin: 0 0 24px; }
.legal h2 { font-size: 20px; font-weight: 600; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--muted); }
.legal .updated { font-size: 14px; }

@media (max-width: 560px) {
  header .right { width: 100%; gap: 12px; }
  header .right nav { flex: 1; min-width: 0; }
  .legal { padding: 36px 0 60px; }
}

/* attribuzione dei dati (PNOA, CC BY 4.0): sempre visibile accanto all'immagine */
figcaption a { color: inherit; text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); }
.stereo-band .stereo-pair figcaption { font-size: 12px; }

/* didascalie con l'attribuzione sotto le immagini delle sezioni */
figcaption.credit { padding: 8px 12px; font-size: 12px; line-height: 1.45; color: var(--muted); background: var(--bg2); }
.way figure, .concept figure { height: auto; }
.way figure img { height: 240px; }
.concept figure img { height: 400px; }
figure img[src*="import_"] { object-fit: contain; background: #1b2633; }
figure img[src*="app_plan_"] { object-position: left top; }
@media (max-width: 960px) { .concept figure img { height: 280px; } }
/* le immagini grandi non allargano le colonne della griglia; nelle sezioni a concetto
   l'immagine si vede intera, senza ritagli (le etichette del trittico restano leggibili) */
.concept > *, .ways-grid > *, .stereo-band > *, .hero .wrap > * { min-width: 0; }
.concept figure img, .concept figure.sheet img { height: auto; object-fit: initial; }

/* coppia stereo dentro una storia: stessa proporzione delle immagini, niente bande */
.step .stereo-pair img { height: auto; aspect-ratio: 16 / 9; object-fit: cover; max-height: none; }
.step .stereo-pair { border: 1px solid var(--line); }
/* indice delle storie in home: due schede larghe */
.stories .grid.two { grid-template-columns: repeat(2, 1fr); }
.stories .grid.two .card img { height: 240px; }
@media (max-width: 560px) { .stories .grid.two { grid-template-columns: 1fr; } }
.story-table { border-collapse: collapse; margin: 22px 0 18px; font-size: 16px; }
.story-table th, .story-table td { padding: 8px 18px 8px 0; border-bottom: 1px solid var(--line); text-align: right; }
.story-table th:first-child, .story-table td:first-child { text-align: left; }
.story-table th { font-weight: 400; color: var(--muted); font-size: 14px; }

/* il CAD: la finestra vera con le sue barre evidenziate (20 ott 2026, Luca: "abbiamo un cad
   completissimo [...] mostra le toolbar evidenziandole"). Le zone sono in percentuale della
   cattura 1920 x 1009; la legenda accende la sua zona e la zona la sua voce. */
.cad { padding: 110px 0; border-top: 1px solid var(--line); }
.cad h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 300; line-height: 1.12; margin: 0 0 20px; }
.cad h2 b { font-weight: 600; }
.cad .lead { color: var(--muted); max-width: 46em; margin: 0 0 18px; }
.cad .numbers { display: flex; flex-wrap: wrap; gap: 14px 40px; margin: 26px 0 40px; padding: 0; list-style: none; }
.cad .numbers li { color: var(--muted); font-size: 15px; line-height: 1.3; }
.cad .numbers b { display: block; font-size: 34px; font-weight: 600; color: var(--accent); }
.cad-map { position: relative; margin: 0; border-radius: 6px; overflow: hidden; background: #000;
  box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.cad-map img { width: 100%; height: auto; }
.cad-shot { position: relative; }
.cad .cad-map.wide { margin-top: 34px; }
.cad-map .zone { position: absolute; border: 2px solid var(--accent); border-radius: 4px;
  background: rgba(44,207,190,.10); transition: background .15s, opacity .15s; cursor: pointer; padding: 0; }
.cad-map .zone span { position: absolute; top: -2px; left: -2px; min-width: 22px; height: 22px; padding: 0 5px;
  border-radius: 4px 0 4px 0; background: var(--accent); color: #0b2724; font-size: 13px; font-weight: 700;
  line-height: 22px; text-align: center; }
.cad-map.focus .zone { opacity: .25; }
.cad-map.focus .zone.on { opacity: 1; background: rgba(44,207,190,.24); }
.cad-map figcaption { padding: 10px 14px; font-size: 14px; color: var(--muted); background: var(--bg2); }
.cad-legend { list-style: none; margin: 30px 0 0; padding: 0; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 4px 36px; counter-reset: z; }
.cad-legend li { display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 10px 8px; border-radius: 6px;
  font-size: 16px; color: var(--muted); line-height: 1.5; cursor: default; }
.cad-legend li b { color: var(--ink); }
.cad-legend li::before { counter-increment: z; content: counter(z); width: 24px; height: 24px; border-radius: 4px;
  background: var(--accent-dim); color: var(--accent); font-size: 13px; font-weight: 700; text-align: center; line-height: 24px; }
.cad-legend li.on { background: var(--bg2); }
.concept figure.menu { background: #1b2a33; }
.concept figure.menu img { height: auto; max-height: 560px; object-fit: contain; object-position: left top; }

/* prima e dopo: lo stesso pezzo di terreno, la linea di separazione si trascina */
.compare { position: relative; }
.compare img { width: 100%; height: auto; }
.compare .after { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--cut, 50%)); }
.compare .after img { height: 100%; }
.compare .bar { position: absolute; top: 0; bottom: 0; left: var(--cut, 50%); width: 2px; background: #fff;
  box-shadow: 0 0 6px rgba(0,0,0,.6); pointer-events: none; }
.compare .tag { position: absolute; top: 10px; padding: 3px 10px; border-radius: 4px; font-size: 13px;
  color: #fff; background: rgba(0,0,0,.6); pointer-events: none; }
.compare .tag.l { left: 10px; } .compare .tag.r { right: 10px; }
.compare input[type=range] { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; }
.concept .compare img { height: auto; object-fit: initial; }
.concept .compare .after img { height: 100%; object-fit: cover; }

@media (max-width: 760px) {
  .cad { padding: 70px 0; }
  .cad-legend { grid-template-columns: 1fr; }
  .cad-map .zone span { min-width: 16px; height: 16px; line-height: 16px; font-size: 11px; padding: 0 3px; }
}
/* scheda larga in home: il blocco aereo occupa tutta la riga */
.stories .grid.two .card.wide { grid-column: 1 / -1; }
.stories .grid.two .card.wide img { height: 200px; }

/* pipeline: da dove parti, dove arrivi */
.workflow { padding: 110px 0 100px; border-top: 1px solid var(--line); background: var(--bg2); }
.workflow h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 300; line-height: 1.12; margin: 0 0 18px; }
.workflow h2 b { font-weight: 600; }
.workflow .lead { color: var(--muted); max-width: 40em; margin: 0 0 46px; }
.workflow h3 { font-size: 18px; font-weight: 600; margin: 0 0 12px; }
.flow { list-style: none; margin: 0 0 48px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  counter-reset: none; }
.flow li { position: relative; padding: 26px 26px 6px 0; border-top: 2px solid var(--line); }
.flow li:first-child { border-top-color: var(--accent); }
.flow li + li { padding-left: 26px; border-left: 1px solid var(--line); }
.flow .n { display: block; font-size: 13px; letter-spacing: 2.4px; color: var(--accent); margin: 0 0 8px; }
.flow h3 { font-size: 21px; margin: 0 0 10px; }
.flow p { color: var(--muted); font-size: 16px; line-height: 1.6; margin: 0; }
.io { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin: 0 0 48px; }
.io .formats { margin-top: 0; }
.cases-wrap { margin: 0 0 40px; overflow-x: auto; }
.cases { width: 100%; border-collapse: collapse; font-size: 16px; }
.cases th, .cases td { text-align: left; vertical-align: top; padding: 14px 18px 14px 0; border-bottom: 1px solid var(--line); }
.cases thead th { font-size: 12px; letter-spacing: 1.6px; text-transform: uppercase; color: var(--muted); font-weight: 400; }
.cases tbody th { font-weight: 600; color: var(--ink); width: 28%; }
.cases td { color: var(--muted); }
.cases td:last-child { white-space: nowrap; padding-right: 0; }
.limits ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 16px; columns: 2; column-gap: 40px; }
.limits li { margin: 0 0 10px; break-inside: avoid; }

/* un disegno a tutta pagina, mai oltre i suoi pixel */
.plate { margin: 0 auto; padding: 0 28px 110px; max-width: calc(1100px + 56px); }
.plate img { width: 100%; height: auto; border-radius: 6px; box-shadow: 0 30px 70px rgba(0,0,0,.45); }

/* nei concetti i disegni non si tagliano */
.concept figure.fit { background: #000; }
.concept figure.fit img { height: auto; object-fit: contain; }
.cad.slim { padding-top: 0; border-top: 0; }
.needs-grid.two { grid-template-columns: repeat(2, 1fr); }
.stereo-pair figcaption.credit, .concept figcaption.credit, .cad-map figcaption.credit { padding: 6px 12px; font-size: 12px; }

@media (max-width: 960px) {
  .flow { grid-template-columns: 1fr 1fr; }
  .flow li:nth-child(3) { border-left: 0; padding-left: 0; }
  .io { grid-template-columns: 1fr; gap: 24px; }
  .limits ul { columns: 1; }
}
@media (max-width: 560px) {
  .flow { grid-template-columns: 1fr; }
  .flow li, .flow li + li { padding-left: 0; border-left: 0; }
  .workflow { padding: 70px 0; }
  .plate { padding: 0 16px 70px; }
  .cases thead { display: none; }
  .cases tr { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .cases th, .cases td { display: block; border: 0; padding: 2px 0; width: auto; }
  .needs-grid.two { grid-template-columns: 1fr; }
}

/* menu su telefono: pulsante e voci in colonna (menu.js) */
.menu-btn { display: none; }
@media (max-width: 560px) {
  header .wrap { flex-wrap: nowrap; height: 56px; padding-top: 0; position: relative; }
  header .right { width: auto; gap: 10px; }
  .menu-btn { display: inline-flex; align-items: center; gap: 8px; order: 2; min-height: 40px; padding: 0 14px;
    font: inherit; font-size: 15px; color: var(--ink); background: transparent; border: 1px solid var(--line);
    border-radius: 999px; cursor: pointer; }
  .menu-btn .bars, .menu-btn .bars::before, .menu-btn .bars::after { display: block; width: 14px; height: 1.5px;
    background: currentColor; position: relative; transition: transform .2s, background .2s; }
  .menu-btn .bars::before, .menu-btn .bars::after { content: ""; position: absolute; left: 0; }
  .menu-btn .bars::before { top: -4.5px; }
  .menu-btn .bars::after { top: 4.5px; }
  header.open .menu-btn .bars { background: transparent; }
  header.open .menu-btn .bars::before { transform: translateY(4.5px) rotate(45deg); }
  header.open .menu-btn .bars::after { transform: translateY(-4.5px) rotate(-45deg); }
  header .lang { order: 1; }
  header .right nav, header nav { display: none; position: absolute; top: 56px; left: 0; right: 0; width: auto;
    flex-direction: column; gap: 0; overflow: visible; padding: 6px 16px 14px; margin: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px rgba(0,0,0,.4); }
  header.open nav { display: flex; }
  header nav a { padding: 13px 0; font-size: 17px; color: var(--ink); border-bottom: 1px solid var(--line); }
  header nav a:last-child { border-bottom: 0; }
  [id] { scroll-margin-top: 72px; }
}
@media (prefers-reduced-motion: reduce) { .menu-btn .bars, .menu-btn .bars::before, .menu-btn .bars::after { transition: none; } }

/* correzioni dalla seconda critica: telefono, cursore del confronto */
.compare .bar::after { content: ""; position: absolute; top: 50%; left: 50%; width: 34px; height: 34px;
  transform: translate(-50%, -50%); border-radius: 50%; background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.5);
  background-image: linear-gradient(90deg, transparent 13px, #1e2023 13px 15px, transparent 15px 19px, #1e2023 19px 21px, transparent 21px); }
.compare input[type=range]:focus-visible + .bar, .compare:focus-within .bar { outline: 2px solid var(--accent); }
@media (max-width: 560px) {
  .menu-btn { min-height: 44px; }
  .workflow .cases tbody th { width: auto; }
  .cad-map .zone { display: none; }
  .cad-map.focus img { opacity: 1; }
  .cad-legend li { padding: 8px 0; }
}
.concept figure.menu img { width: auto; max-width: 100%; margin: 0 auto; }

/* modulo di richiesta (contact.js) */
.contact { max-width: 760px; margin: 56px auto 0; text-align: left; }
.contact h2 { font-size: clamp(28px, 3vw, 38px); font-weight: 300; margin: 0 0 10px; }
.contact .lead { color: var(--muted); margin: 0 0 28px; }
.contact-form { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 30px; display: grid; gap: 20px; }
.contact-form label { display: grid; gap: 6px; font-size: 15px; color: var(--ink); }
.contact-form .req { color: var(--muted); font-size: 13px; }
.contact-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.contact-form input:not([type=checkbox]):not([type=radio]), .contact-form textarea {
  width: 100%; padding: 11px 13px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg);
  color: var(--ink); font: inherit; font-size: 16px; }
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form textarea::placeholder { color: var(--muted); opacity: .75; }
.contact-form input:focus-visible, .contact-form textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.contact-form [aria-invalid=true] { border-color: #ff8a80 !important; }
.contact-form fieldset { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.contact-form legend { font-size: 15px; margin: 0 0 8px; padding: 0; width: 100%; }
.contact-form label.chk { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 15px; cursor: pointer; min-height: 32px; }
.contact-form label.chk input { width: 18px; height: 18px; accent-color: var(--accent); margin: 0; flex: none; }
.contact-form label.consent { align-items: flex-start; line-height: 1.5; }
.contact-form label.consent input { margin-top: 3px; }
.contact-form label.consent[aria-invalid=true], .contact-form input[name=consent][aria-invalid=true] + span { color: #ff8a80; }
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form button { justify-self: start; border: 0; cursor: pointer; font-family: inherit; }
.contact-form button:disabled { opacity: .55; cursor: default; }
.form-status { margin: 0; min-height: 24px; font-size: 15px; color: var(--muted); }
.form-status.ok { color: var(--accent); } .form-status.bad { color: #ff8a80; }
.contact-other { margin: 18px 0 0; font-size: 15px; color: var(--muted); }
@media (max-width: 560px) {
  .contact-form { padding: 22px 18px; }
  .contact-form .row2 { grid-template-columns: 1fr; }
  .contact-form button { justify-self: stretch; }
}

/* salto al contenuto (21 ott 2026): invisibile finche' non riceve il fuoco da tastiera */
.skip { position: absolute; left: 16px; top: -60px; z-index: 30; padding: 10px 16px; border-radius: 6px;
  background: var(--accent); color: #0b1f1d; font-size: 15px; font-weight: 600; }
.skip:focus { top: 12px; text-decoration: none; }

/* home 2026-10 (brief nuovo profilo): flusso in sei passi, elaborati, cosa cambia */
.flow.six { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
.flow.six li:nth-child(3n+1) { padding-left: 0; border-left: 0; }
.outputs, .changes { padding: 110px 0 100px; border-top: 1px solid var(--line); }
.changes { background: var(--bg2); }
.outputs h2, .changes h2 { font-size: clamp(30px, 3.4vw, 46px); font-weight: 300; line-height: 1.12; margin: 0 0 18px; }
.outputs h2 b, .changes h2 b { font-weight: 600; }
.outputs .lead, .changes .lead { color: var(--muted); max-width: 40em; margin: 0 0 46px; }
.feature { display: grid; grid-template-columns: 1.45fr 1fr; gap: 52px; align-items: center; margin: 0 0 44px; }
.feature > * { min-width: 0; }
.feature figure { margin: 0; border-radius: 6px; overflow: hidden; background: #000; box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.feature figure img { width: 100%; height: auto; }
.feature .tag { display: inline-block; padding: 2px 10px; font-size: 12px; font-weight: 600; letter-spacing: .3px;
  color: var(--accent); border: 1px solid var(--line); border-radius: 999px; }
.feature h3 { font-size: clamp(28px, 2.8vw, 38px); font-weight: 300; line-height: 1.12; margin: 16px 0 16px; }
.feature h3 b { font-weight: 600; color: var(--accent); }
.feature p { color: var(--muted); margin: 0; }
.credit-line { margin: 14px 0 0; font-size: 12px; color: var(--muted); }
.changes .cases tbody th { width: 24%; }
.changes .cases td { width: 38%; }
.changes .cases td:last-child { white-space: normal; color: var(--ink); }
@media (max-width: 960px) {
  .flow.six { grid-template-columns: 1fr 1fr; }
  .flow.six li:nth-child(n) { padding-left: 26px; border-left: 1px solid var(--line); }
  .flow.six li:nth-child(odd) { border-left: 0; padding-left: 0; }
  .feature { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .flow.six { grid-template-columns: 1fr; row-gap: 0; }
  .flow.six li:nth-child(n) { padding-left: 0; padding-right: 0; border-left: 0; }
  .outputs, .changes { padding: 70px 0; }
  .changes .cases td { width: auto; padding: 4px 0; }
  .changes .cases td::before { content: attr(data-l); display: block; font-size: 11px; letter-spacing: 1.4px;
    text-transform: uppercase; color: var(--muted); }
}

/* pagina Cosa cambia */
.page-intro { padding: 90px 0 70px; }
.page-intro h1 { font-size: clamp(34px, 3.6vw, 50px); font-weight: 300; line-height: 1.1; margin: 0 0 22px; }
.page-intro h1 b { font-weight: 600; color: var(--accent); }
.page-intro .lead { color: var(--muted); max-width: 38em; margin: 0; font-size: 20px; }
.wrap.narrow .lead { max-width: 38em; margin: 0 0 18px; }
.outs-table td:last-child { white-space: normal; }
.outs-table tbody th { width: 30%; }
.more { margin: 22px 0 0; font-size: 16px; }
.page-cta { padding: 90px 0 100px; border-top: 1px solid var(--line); text-align: center; }
.page-cta p:first-child { font-size: clamp(22px, 2.2vw, 28px); font-weight: 300; margin: 0 0 26px; }
.page-cta .hero-actions { justify-content: center; }
@media (max-width: 560px) {
  .page-intro { padding: 44px 0 40px; }
  .page-intro .lead { font-size: 18px; }
  .cases tbody th, .changes .cases tbody th, .outs-table tbody th { width: auto; }
  .page-cta { padding: 60px 0 70px; }
}

/* Cosa cambia, versione completa: sei blocchi prima/ora, cosa resta, catena dei passi */
.change-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; }
.change { padding: 26px 0 30px; border-top: 1px solid var(--line); }
.change h3 { font-size: 19px; font-weight: 600; margin: 0 0 14px; }
.change dl { margin: 0 0 14px; display: grid; gap: 10px; }
.change dt { font-size: 11px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); }
.change dd { margin: 2px 0 0; font-size: 16px; line-height: 1.5; color: var(--muted); }
.change .now dt { color: var(--accent); }
.change .now dd { color: var(--ink); }
.change p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--muted); }
.stays { padding: 110px 0 100px; border-top: 1px solid var(--line); }
.stays h2 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 300; line-height: 1.12; margin: 0 0 18px; }
.stays h2 b { font-weight: 600; }
.stays .feature { margin: 0; grid-template-columns: 1.3fr 1fr; }
.stays .feature h3 { font-size: 17px; font-weight: 600; line-height: 1.4; margin: 26px 0 10px; }
.roles { list-style: none; margin: 0; padding: 0; }
.roles li { padding: 12px 0 12px 16px; border-left: 2px solid var(--accent); margin: 0 0 10px; color: var(--muted); font-size: 16px; }
.roles b { display: block; color: var(--ink); }
.added { padding: 100px 0; border-top: 1px solid var(--line); background: var(--bg2); }
.added h2 { font-size: clamp(30px, 3.4vw, 44px); font-weight: 300; margin: 0 0 30px; }
.chain { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 0; counter-reset: c; }
.chain li { counter-increment: c; display: flex; align-items: center; font-size: 17px; color: var(--ink); }
.chain li::before { content: counter(c, decimal-leading-zero); font-size: 12px; letter-spacing: 1.6px; color: var(--accent); margin-right: 8px; }
.chain li:not(:last-child)::after { content: "\2192"; color: var(--muted); margin: 0 16px; }
@media (max-width: 960px) {
  .change-list { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .change-list { grid-template-columns: 1fr; }
  .stays, .added { padding: 70px 0; }
  .chain { flex-direction: column; align-items: flex-start; gap: 0; }
  .chain li:not(:last-child)::after { content: "\2193"; margin: 0 0 0 10px; }
  .chain li { padding: 6px 0; }
}

/* flusso della home come catena: 01-05 su una linea con le frecce, 06 controllo stereo come fascia sotto tutti */
.flow.pipe { grid-template-columns: repeat(5, 1fr); row-gap: 0; }
.flow.pipe li, .flow.pipe li + li { position: relative; padding: 26px 34px 30px 0; border-left: 0; border-top: 2px solid var(--accent); }
.flow.pipe li:not(.rail):not(:nth-child(5))::after { content: ""; position: absolute; top: -7px; right: 12px; width: 10px; height: 10px;
  border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); transform: rotate(45deg); }
.flow.pipe li:nth-child(5) { padding-right: 0; }
.flow.pipe li.rail { grid-column: 1 / -1; margin-top: 6px; padding: 18px 22px; border-top: 0; border-left: 3px solid var(--accent);
  background: var(--accent-dim); display: grid; grid-template-columns: auto auto 1fr; column-gap: 22px; align-items: baseline; }
.flow.pipe li.rail .n { margin: 0; }
.flow.pipe li.rail h3 { margin: 0; }
.flow.pipe li.rail p { color: var(--ink); }
@media (max-width: 960px) {
  .flow.pipe { grid-template-columns: 1fr; }
  .flow.pipe li, .flow.pipe li + li, .flow.pipe li:nth-child(odd) { padding: 4px 0 26px 26px; border-top: 0; border-left: 2px solid var(--accent); }
  .flow.pipe li:not(.rail):not(:nth-child(5))::after { top: auto; bottom: 6px; right: auto; left: -7px; transform: rotate(135deg); }
  .flow.pipe li.rail { margin-top: 10px; padding: 16px 18px; border-left-width: 3px; grid-template-columns: 1fr; row-gap: 6px; }
}

/* Cosa cambia: la coppia stereo in Cosa resta, il controllo stereo sotto la catena */
.stays .stereo-pair { margin: 0; border-radius: 6px; overflow: hidden; background: #000; box-shadow: 0 30px 70px rgba(0,0,0,.45); }
.stays .stereo-pair img { height: 380px; }
.chain-rail { margin: 16px 0 0; padding: 12px 18px; border-left: 3px solid var(--accent); background: var(--accent-dim); font-size: 17px; color: var(--ink); }
.chain-rail span { font-size: 12px; letter-spacing: 1.6px; color: var(--accent); }
@media (max-width: 960px) {
  .stays .feature { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stays .stereo-pair img { height: 240px; }
}

/* apertura: immagine catena con attribuzione PNOA */
.hero-figure figcaption.credit { padding: 6px 12px; font-size: 12px; }

/* apertura: catena in giro orario, etichette e frecce in HTML sopra l'immagine */
.chain-grid { position: relative; }
.chain-grid img { display: block; width: 100%; height: auto; }
.chain-grid .chip { position: absolute; display: inline-flex; gap: 6px; align-items: baseline; padding: 4px 10px; border-radius: 6px;
  background: rgba(20,22,25,.84); color: var(--ink); font-size: 14px; font-weight: 600; line-height: 1.3; white-space: nowrap; }
.chain-grid .chip b { color: var(--accent); font-size: 13px; }
.chain-grid .c1 { left: 1.5%; bottom: 52.6%; }
.chain-grid .c2 { left: 51.2%; bottom: 52.6%; }
.chain-grid .c3 { left: 51.2%; bottom: 2.4%; }
.chain-grid .c4 { left: 1.5%; bottom: 2.4%; }
.chain-grid .arw { position: absolute; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent); }
.chain-grid .arw::after { content: ""; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; margin: -5px 0 0 -6px;
  border-top: 2.5px solid var(--accent); border-right: 2.5px solid var(--accent); transform: rotate(45deg); }
.chain-grid .a1 { left: 50%; top: 24.7%; }
.chain-grid .a2 { left: 92%; top: 50%; }
.chain-grid .a2::after { transform: rotate(135deg); margin: -7px 0 0 -4px; }
.chain-grid .a3 { left: 50%; top: 75.3%; }
.chain-grid .a3::after { transform: rotate(225deg); margin: -4px 0 0 -2px; }
.hero-figure .chain-rail { margin: 0; padding: 9px 14px; border-left: 3px solid var(--accent); background: var(--accent-dim); font-size: 15px; color: var(--ink); }
.hero-figure .chain-rail span { color: var(--accent); margin-right: 4px; }
@media (max-width: 560px) {
  .chain-grid .chip { font-size: 12px; padding: 3px 7px; }
  .chain-grid .chip b { font-size: 11px; }
  .chain-grid .arw { width: 24px; height: 24px; margin: -12px 0 0 -12px; }
  .chain-grid .arw::after { width: 6px; height: 6px; }
}

/* Cosa resta: i dataset gia orientati */
.stays .oriented { margin: 16px 0 0; padding: 12px 16px; background: var(--panel); border-radius: 6px; color: var(--ink); font-size: 16px; }

/* pagina Requisiti hardware */
.req-intro { padding: 90px 0 60px; }
.req-intro h1 { font-size: clamp(34px, 3.6vw, 50px); font-weight: 300; line-height: 1.1; margin: 0 0 22px; }
.req-intro h1 b { font-weight: 600; color: var(--accent); }
.req-intro .lead { color: var(--muted); max-width: 40em; margin: 0; font-size: 20px; }
.req-sec { padding: 70px 0; border-top: 1px solid var(--line); }
.req-sec.alt { background: var(--bg2); }
.req-sec h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 300; line-height: 1.15; margin: 0 0 16px; }
.req-sec h2 b { font-weight: 600; }
.req-sec .lead { color: var(--muted); max-width: 42em; margin: 0 0 32px; }
.req-sec ul { margin: 24px 0 0; padding-left: 18px; color: var(--muted); max-width: 46em; }
.req-sec li { margin: 0 0 10px; }
.req-sec li b { color: var(--ink); font-weight: 600; }
.req-sec .note { color: var(--muted); font-size: 15px; margin: 18px 0 0; max-width: 46em; }
.req-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.req-table th, .req-table td { padding: 11px 16px 11px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.req-table thead th { font-weight: 400; color: var(--muted); font-size: 13px; letter-spacing: 1.4px; text-transform: uppercase; }
.req-table tbody th { font-weight: 600; width: 22%; }
.req-table td.rec, .req-table thead th.rec { color: var(--accent); }
.req-table.num td { white-space: nowrap; }
.req-table.num td:first-child { white-space: normal; }
@media (max-width: 760px) {
  .req-intro { padding: 44px 0 36px; }
  .req-intro .lead { font-size: 18px; }
  .req-sec { padding: 50px 0; }
  .req-table thead { display: none; }
  .req-table, .req-table tbody, .req-table tr, .req-table th, .req-table td { display: block; width: auto; }
  .req-table tr { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .req-table th, .req-table td { border: 0; padding: 3px 0; white-space: normal; }
  .req-table tbody th { width: auto; }
  .req-table.num td { white-space: normal; }
  .req-table td::before { content: attr(data-l); display: block; font-size: 11px; letter-spacing: 1.4px;
    text-transform: uppercase; color: var(--muted); }
}