/* ==========================================================================
   Anonymizer — landing
   Design system Smart Things: token, tipografia e impianto di pagina sono
   condivisi fra i prodotti e vanno copiati invariati. Cambiano solo i
   contenuti, i marcatori di sezione e il nome del prodotto.
   ========================================================================== */

:root {
  /* Inchiostri — blu ardesia, identità Smart Things */
  --ink-900: #253341;   /* titoli, fondi scuri, testo massima enfasi */
  --ink-800: #2e4052;   /* corpo enfatizzato, secondo stop dei gradienti scuri */
  --ink-700: #3f5264;   /* colore di default del body */
  --ink-500: #627384;   /* testo secondario, occhielli, note */
  --ink-300: #9aa7b2;   /* etichette monospace, metadati, testo terziario */

  /* Superfici calde — mai bianco puro come fondo pagina */
  --line: #e5e0dc;      /* bordo standard */
  --line-soft: #eeeae7; /* separatore interno */
  --canvas: #fbfaf9;    /* fondo pagina */
  --surface: #ffffff;   /* card e pannelli in evidenza */
  --surface-2: #f2f0ed; /* fondo secondario, pill, barre */

  /* Accento — bordeaux desaturato */
  --accent: #8c5a6a;
  --accent-600: #9f687b; /* hover, focus ring, dettagli */
  --accent-700: #704653; /* testo su fondo chiaro: è il solo tono accento
                            leggibile come testo, usare sempre questo */
  --accent-050: #f7eff2; /* fondo tenue */
  --accent-rgb: 140, 90, 106; /* per rgba() */

  --font-display: "Spectral", Georgia, "Iowan Old Style", Cambria, ui-serif, serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, Consolas, monospace;

  --shell: 1160px;                       /* larghezza massima del contenuto */
  --gutter: clamp(1.25rem, 4vw, 3rem);   /* padding orizzontale */
  --measure: 72ch;
  --mark-col: 10.5rem;                   /* colonna dei marcatori di sezione */
  --radius-sm: 0.6rem;
  --radius-md: 1rem;
  --radius-lg: 1.4rem;
  --shadow-soft: 0 18px 45px -32px rgba(37, 51, 65, 0.38);
  --shadow-card: 0 22px 50px -38px rgba(37, 51, 65, 0.42);

  color-scheme: light;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink-700);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

p, li, dd { text-wrap: pretty; }

img { max-width: 100%; height: auto; }

a { color: var(--accent-700); }

:focus-visible {
  outline: 2px solid var(--accent-600);
  outline-offset: 3px;
  border-radius: 3px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--surface);
  color: var(--ink-900);
  font-family: var(--font-ui);
  font-weight: 600;
  padding: 0.75rem 1.1rem;
  border-radius: 0 0 var(--radius-sm) 0;
  box-shadow: var(--shadow-card);
}

.skip:focus { left: 0; }

/* --------------------------------------------------------------------------
   Tipografia condivisa
   -------------------------------------------------------------------------- */

.eyebrow {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.69rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin: 0 0 0.9rem;
}

.h-sec {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.65rem, 3.1vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ink-900);
  max-width: 32ch;
  text-wrap: balance;
  margin: 0 0 1.1rem;
}

.lead {
  font-size: 1.08rem;
  line-height: 1.68;
  color: var(--ink-700);
  max-width: var(--measure);
  margin: 0 0 1.1rem;
}

.body {
  max-width: 66ch;
  margin: 0 0 1.6rem;
}

.body:last-child { margin-bottom: 0; }

.note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--ink-300);
  max-width: 62ch;
}

/* --------------------------------------------------------------------------
   Bottoni
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .28s cubic-bezier(.22,1,.36,1), background-color .28s ease,
              border-color .28s ease, box-shadow .28s ease, color .28s ease;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 16px 32px -22px rgba(var(--accent-rgb), 0.9);
}

.btn--primary:hover {
  background: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: 0 22px 40px -24px rgba(var(--accent-rgb), 0.95);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.btn--quiet {
  background: var(--surface);
  color: var(--ink-900);
  border-color: var(--line);
}

.btn--quiet:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Barra sticky
   -------------------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.nav__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4rem;
}

.nav__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  color: #fff;
  text-decoration: none;
  transition: color .35s ease;
}

.nav__brand span {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  transition: color .35s ease;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.65rem;
}

.nav__links a {
  font-family: var(--font-ui);
  font-size: 0.87rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color .35s ease;
}

.nav__links a:hover { color: #fff; }

.nav.is-stuck {
  background: rgba(251, 250, 249, 0.9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-soft);
}

.nav.is-stuck .nav__brand { color: var(--ink-900); }
.nav.is-stuck .nav__brand span { color: var(--ink-300); }
.nav.is-stuck .nav__links a { color: var(--ink-500); }
.nav.is-stuck .nav__links a:hover { color: var(--accent-700); }

.nav__cta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
  text-decoration: none;
}

@media (max-width: 820px) {
  .nav__links { display: none; }
}

/* --------------------------------------------------------------------------
   Frontespizio
   -------------------------------------------------------------------------- */

.front {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: -4rem;
  padding-top: 4rem;
  background: linear-gradient(135deg, #253341, #2e4052 58%, #253341);
  color: #dde6ee;
}

.front::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(38rem 26rem at 18% 12%, rgba(var(--accent-rgb), 0.28), transparent 68%),
    radial-gradient(30rem 22rem at 82% 8%, rgba(255, 255, 255, 0.1), transparent 70%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 96px);
}

.front::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -9rem;
  top: 20%;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.34), transparent 66%);
  filter: blur(6px);
}

.front__in {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 25.5rem);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(3rem, 6vw, 4.5rem);
}

.front .eyebrow { color: #d8adbc; }

.front__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.3rem, 5.6vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: #fff;
  max-width: 19ch;
  text-wrap: balance;
  margin: 0 0 1.5rem;
}

.front__title em {
  font-style: italic;
  color: #d9a9ba;
}

.front__rule {
  height: 2px;
  width: 7.5rem;
  background: linear-gradient(90deg, #b77d91, rgba(183, 125, 145, 0));
  transform-origin: left center;
  margin-bottom: 1.6rem;
}

.is-loaded .front__rule {
  animation: rule .9s cubic-bezier(.22,.7,.24,1) .3s both;
}

@keyframes rule {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.front__sum {
  font-size: 1.09rem;
  line-height: 1.66;
  color: #c6d3de;
  max-width: 46ch;
  margin: 0 0 2rem;
}

.front__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.2rem;
}

.front__dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.front__dots li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #c6d3de;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
}

#sentinel {
  display: block;
  height: 1px;
}

@media (max-width: 940px) {
  .front__in { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   Pannello firma — mappa di anonimizzazione
   -------------------------------------------------------------------------- */

.cite {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 70px -40px rgba(10, 18, 26, 0.75);
  overflow: hidden;
  color: var(--ink-700);
}

.cite__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 1.1rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.cite__badge {
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-700);
  background: var(--accent-050);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 999px;
  padding: 0.16rem 0.6rem;
}

.cite__body {
  padding: 1.35rem 1.35rem 1.1rem;
}

.cite__doc {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.72;
  color: var(--ink-800);
  margin: 0;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--accent-700);
  background: var(--accent-050);
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  border-radius: 0.35rem;
  padding: 0.06rem 0.4rem;
  margin-inline: 0.08rem;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.chip:hover,
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.is-loaded .chip.is-pulsing {
  animation: pulse .5s ease;
}

@keyframes pulse {
  0% { background: var(--accent-050); }
  50% { background: rgba(var(--accent-rgb), 0.55); color: #fff; }
  100% { background: var(--accent-050); }
}

.cite__record {
  margin-top: 1.15rem;
  border-top: 1px dashed var(--line);
  padding-top: 1rem;
  transition: opacity .13s ease;
}

.cite__record.is-swapping { opacity: 0; }

.cite__record dl {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 0.34rem 0.9rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  line-height: 1.5;
}

.cite__record dt {
  color: var(--ink-300);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cite__record dd {
  margin: 0;
  color: var(--ink-800);
}

.cite__foot {
  padding: 0.75rem 1.35rem 0.95rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  color: var(--ink-300);
}

@media (max-width: 520px) {
  .cite__record dl { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
  .cite__record dt { margin-top: 0.5rem; }
}

/* --------------------------------------------------------------------------
   Striscia priorità
   -------------------------------------------------------------------------- */

.priority {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.priority__in {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.priority__item {
  display: block;
  padding: 1.5rem clamp(1rem, 2.5vw, 1.9rem);
  border-left: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: background-color .28s ease;
}

.priority__item:first-child { border-left: 0; }
.priority__item:hover { background: var(--accent-050); }

.priority__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent-700);
  margin-bottom: 0.4rem;
}

.priority__label {
  display: block;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink-900);
  margin-bottom: 0.2rem;
}

.priority__text {
  display: block;
  font-size: 0.87rem;
  color: var(--ink-500);
}

@media (max-width: 760px) {
  .priority__in { grid-template-columns: minmax(0, 1fr); }
  .priority__item { border-left: 0; border-top: 1px solid var(--line-soft); }
  .priority__item:first-child { border-top: 0; }
}

/* --------------------------------------------------------------------------
   Bande e impaginato «documento»
   -------------------------------------------------------------------------- */

.band {
  border-top: 1px solid var(--line-soft);
  padding-block: clamp(3.25rem, 7vw, 5.75rem);
}

.band--paper {
  background: linear-gradient(180deg, #ffffff, var(--canvas) 62%);
}

.band--tint { background: var(--accent-050); }

.doc {
  display: grid;
  grid-template-columns: var(--mark-col) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.doc__mark {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  border-left: 2px solid var(--accent);
  padding-left: 0.9rem;
}

.doc__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--accent-700);
  margin-bottom: 0.45rem;
}

.doc__keys {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-300);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .doc { grid-template-columns: minmax(0, 1fr); }
  .doc__mark {
    position: static;
    border-left: 0;
    border-top: 2px solid var(--accent);
    padding-left: 0;
    padding-top: 0.6rem;
    display: flex;
    align-items: baseline;
    gap: 0.9rem;
  }
  .doc__num { margin-bottom: 0; }
}

/* --------------------------------------------------------------------------
   Componenti
   -------------------------------------------------------------------------- */

/* .hurdles — attriti, «prima di» */
.hurdles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hurdle {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow-soft);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s ease, border-color .3s ease;
}

.hurdle:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: 0 24px 54px -36px rgba(var(--accent-rgb), 0.55);
}

.hurdle__key {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-700);
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.3);
  padding-bottom: 0.2rem;
  margin-bottom: 0.7rem;
}

.hurdle p { margin: 0; font-size: 0.95rem; }

/* .phases — processo in tre passi */
.phases {
  counter-reset: phase;
  margin: 0;
  padding: 0;
  list-style: none;
}

.phase {
  counter-increment: phase;
  display: grid;
  grid-template-columns: 4.4rem minmax(0, 1fr);
  gap: 1.4rem;
  padding-block: 1.35rem;
  border-top: 1px solid var(--line-soft);
}

.phase:first-child { border-top: 0; padding-top: 0; }

.phase::before {
  content: "fase " counter(phase);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-300);
  padding-top: 0.28rem;
}

.phase h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink-900);
  margin: 0 0 0.35rem;
}

.phase p { margin: 0; font-size: 0.95rem; max-width: 62ch; }

@media (max-width: 620px) {
  .phase { grid-template-columns: minmax(0, 1fr); gap: 0.4rem; }
}

/* .use-cases — casi d'uso */
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.use-case {
  min-height: 14.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  box-shadow: var(--shadow-soft);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s ease, border-color .3s ease;
}

.use-case:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: 0 24px 54px -36px rgba(var(--accent-rgb), 0.55);
}

.use-case h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink-900);
  margin: 0;
}

.use-case p { margin: 0; font-size: 0.94rem; }

.use-case__tag {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.use-case--featured {
  background: linear-gradient(150deg, #253341, #2e4052);
  border-color: transparent;
  color: #c6d3de;
}

.use-case--featured h3 { color: #fff; }
.use-case--featured .use-case__tag { color: #b77d91; }

@media (max-width: 900px) {
  .use-cases { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
}

/* .case-proof — applicazione reale, datata */
.case-proof {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.4rem;
  background: var(--accent-050);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
}

.case-proof__key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent-700);
  line-height: 1.6;
}

.case-proof p { margin: 0 0 0.6rem; font-size: 0.95rem; }
.case-proof p:last-child { margin-bottom: 0; }

@media (max-width: 620px) {
  .case-proof { grid-template-columns: minmax(0, 1fr); gap: 0.6rem; }
}

/* .chain — sequenza di lavorazione */
.chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chain li {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ink-800);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1rem;
}

.chain li::after {
  content: "→";
  position: absolute;
  right: -1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.85rem;
}

.chain li:last-child::after { content: none; }

/* .forms — tre affermazioni pari */
.forms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13.5rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.3rem;
  box-shadow: var(--shadow-soft);
}

.form-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--ink-900);
  margin: 0 0 0.5rem;
}

.form-card p { margin: 0; font-size: 0.94rem; }

/* .knobs — parametri di adattamento */
.knobs {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.knob {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 1.2rem;
  padding: 0.95rem 0.6rem;
  border-bottom: 1px solid var(--line-soft);
  transition: transform .25s cubic-bezier(.22,1,.36,1), background-color .25s ease;
}

.knob:hover {
  background: var(--surface);
  transform: translateX(3px);
}

.knob__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-700);
  padding-top: 0.15rem;
}

.knob__val { font-size: 0.95rem; }

@media (max-width: 700px) {
  .knob { grid-template-columns: minmax(0, 1fr); gap: 0.25rem; }
}

/* .channels — canali e integrazioni */
.channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.channel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow-soft);
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s ease, border-color .3s ease;
}

.channel:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.2);
  box-shadow: 0 24px 54px -36px rgba(var(--accent-rgb), 0.55);
}

.channel h3 {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink-900);
  margin: 0 0 0.45rem;
}

.channel p { margin: 0 0 0.6rem; font-size: 0.94rem; }
.channel p:last-child { margin-bottom: 0; }

.channel__state {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-500);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

/* .rules — regole e garanzie */
.rules {
  margin: 0;
  padding: 1.5rem 1.6rem;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.rules li {
  position: relative;
  padding-left: 1.7rem;
  padding-block: 0.55rem;
  font-size: 0.96rem;
  border-top: 1px solid var(--line-soft);
}

.rules li:first-child { border-top: 0; padding-top: 0; }

.rules li::before {
  content: "§";
  position: absolute;
  left: 0;
  top: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
}

.rules li:first-child::before { top: 0; }

/* .module + .tree — struttura con blocco monospace */
.module {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 22rem);
  gap: clamp(1.2rem, 3vw, 2.4rem);
  align-items: start;
}

.tree {
  margin: 0;
  padding: 1.15rem 1.3rem;
  background: var(--ink-900);
  color: #c6d3de;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.73rem;
  line-height: 1.85;
  overflow-x: auto;
}

@media (max-width: 860px) {
  .module { grid-template-columns: minmax(0, 1fr); }
}

/* .spec — scheda sintetica */
.spec {
  margin: 0;
  border-top: 1px solid var(--line-soft);
}

.spec__row {
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 1.2rem;
  padding: 0.85rem 0.4rem;
  border-bottom: 1px solid var(--line-soft);
}

.spec__row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-300);
  padding-top: 0.15rem;
}

.spec__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-800);
}

@media (max-width: 700px) {
  .spec__row { grid-template-columns: minmax(0, 1fr); gap: 0.2rem; }
}

/* --------------------------------------------------------------------------
   Carosello
   -------------------------------------------------------------------------- */

.perspectives { border-top: 1px solid var(--line-soft); }

.carousel {
  position: relative;
  border-left: 2px solid var(--accent);
  padding-left: clamp(1.1rem, 3vw, 2rem);
  min-height: 12rem;
}

/* Senza JavaScript le slide restano tutte leggibili, una sotto l'altra. */
.carousel__slide { display: block; }
.carousel__slide + .carousel__slide { margin-top: 1.6rem; }

.js .carousel__slide { display: none; }
.js .carousel__slide + .carousel__slide { margin-top: 0; }
.js .carousel__slide.is-active { display: block; }

.carousel__nav { display: none; }
.js .carousel__nav { display: flex; }

.is-loaded .carousel__slide.is-active {
  animation: slide .5s cubic-bezier(.22,.7,.24,1);
}

@keyframes slide {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.carousel__role {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent-700);
  margin: 0 0 0.7rem;
}

.carousel__quote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink-900);
  max-width: 46ch;
  margin: 0;
}

.carousel__nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.8rem;
}

.carousel__dots {
  display: flex;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.carousel__dot {
  width: 0.55rem;
  height: 0.55rem;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--ink-300);
  background: transparent;
  cursor: pointer;
  transition: background-color .25s ease, border-color .25s ease;
}

.carousel__dot[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
}

.carousel__arrow {
  width: 2.3rem;
  height: 2.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-700);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color .25s ease, color .25s ease, transform .25s ease;
}

.carousel__arrow:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
  color: var(--accent-700);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Chiusura e footer
   -------------------------------------------------------------------------- */

.close {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(135deg, #253341, #2e4052 58%, #253341);
  color: #dde6ee;
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.close::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(32rem 22rem at 76% 18%, rgba(var(--accent-rgb), 0.26), transparent 68%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 96px);
}

.close .eyebrow { color: #d8adbc; }

.close__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 26ch;
  text-wrap: balance;
  margin: 0 0 1.1rem;
}

.close p {
  color: #c6d3de;
  max-width: 56ch;
  margin: 0;
}

.foot {
  background: #202e3a;
  color: #9aa7b2;
  padding-block: 1.4rem;
}

.foot__in {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   Movimento
   -------------------------------------------------------------------------- */

/* Le classi di movimento agiscono solo quando il JavaScript è attivo: senza,
   nulla resta nascosto. */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .65s ease, transform .65s cubic-bezier(.22,.7,.24,1);
}

.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

.js .rise {
  opacity: 0;
  transform: translateY(18px);
}

.js .is-loaded .rise,
.is-loaded .rise {
  animation: rise .75s cubic-bezier(.22,.7,.24,1) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes rise {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .js .reveal,
  .js .rise,
  .front__rule {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
  }

  .is-loaded .chip.is-pulsing,
  .is-loaded .carousel__slide.is-active,
  .is-loaded .front__rule { animation: none !important; }

  .cite__record { transition: none; }

  .btn:hover,
  .hurdle:hover,
  .use-case:hover,
  .channel:hover,
  .knob:hover,
  .carousel__arrow:hover { transform: none; }
}