/* ==========================================================================
   Hubblecoffe — sito di presentazione
   Palette e font dal design system ufficiale (latte crema + espresso + crema
   caramello). Impaginazione editoriale a bordi netti mantenuta dal brief
   B2B: niente arrotondato/ombre morbide/cosmos/mascotte, quelli restano
   nel prodotto (gestionale), non in questo sito di presentazione.
   ========================================================================== */

/* -- Font face (self-hosted) -- */
@font-face {
  font-family: 'Fredoka';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/fredoka-variable.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

@font-face {
  font-family: 'Nunito';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/nunito-variable.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

@font-face {
  font-family: 'Nunito';
  font-style: italic;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/nunito-italic-variable.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/space-mono-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/space-mono-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122;
}

/* -- Design tokens -- */
:root {
  /* palette: brand ufficiale Hubblecoffe */
  --color-paper: #fbf3ea;         /* latte-50, bg-app */
  --color-paper-alt: #efdfcd;     /* latte-200 */
  --color-paper-raised: #fffcf7;  /* foam, card/panel */
  --color-ink: #2e2318;           /* espresso-900, testo forte + sfondi scuri */
  --color-ink-soft: #4b3b2a;      /* espresso-700, testo body */
  --color-ink-faint: #82694f;     /* espresso-500, testo muto */
  --color-accent: #ce8f43;        /* crema-500, primary */
  --color-accent-dark: #b67534;   /* crema-600, hover/press */
  --color-accent-tint: #f8e8ce;   /* crema-100 */
  --color-line: #e0d0b8;          /* espresso-200, border-soft */
  --color-line-strong: #c4b096;   /* espresso-300, border-medium */

  /* superfici scure (footer, sezione differenziatore) */
  --color-surface-on-dark: #3b2e20;   /* espresso-800 */
  --color-line-on-dark: #4b3b2a;      /* espresso-700 */
  --color-on-dark: #f0e4d3;           /* espresso-100 */
  --color-on-dark-muted: #c4b096;     /* espresso-300 */
  --color-on-dark-faint: #82694f;     /* espresso-500 */

  /* cosmos: riservata a un solo hero moment (l'explainer animato), come da regola del DS */
  --cosmos-950: #14162e;
  --cosmos-900: #1b1f3b;
  --cosmos-700: #303663;
  --star-gold: #f2c879;
  --star-glow: #fbe6b4;

  --font-display: 'Fredoka', 'Nunito', system-ui, sans-serif;
  --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', ui-monospace, 'SFMono-Regular', monospace;

  --container-w: 74rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-pad: clamp(3rem, 8vw, 6rem);
  --radius: 3px;

  --dur: 160ms;
  --ease: ease-out;
}

/* -- Reset -- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

button { font: inherit; }

/* -- Focus states (visibili, accessibili) -- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* -- Skip link -- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 0.75em 1.25em;
  font-weight: 600;
}
.skip-link:focus {
  left: var(--gutter);
  top: var(--gutter);
}

/* -- Layout helpers -- */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--color-line);
}

.section--alt { background: var(--color-paper-alt); }

.section-head {
  max-width: 42rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.9em;
}

.eyebrow::before {
  content: '';
  width: 1.75em;
  height: 2px;
  background: var(--color-accent);
  flex: none;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
}

.section-head .lede {
  margin-top: 1rem;
  font-size: 1.0625rem;
  color: var(--color-ink-soft);
  max-width: 38rem;
}

/* -- Header / nav -- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 243, 234, 0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--color-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4.25rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.logo span { color: var(--color-accent); }

.logo-img {
  height: 2.25rem;
  width: auto;
  display: block;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: none;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius);
  padding: 0.5em 0.75em;
  cursor: pointer;
}

.nav-toggle .bar,
.nav-toggle .bar::before,
.nav-toggle .bar::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
  transition: transform var(--dur) var(--ease);
}
.nav-toggle .bar::before { position: absolute; top: -6px; }
.nav-toggle .bar::after { position: absolute; top: 6px; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.primary-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  padding-block: 0.25em;
  transition: color var(--dur) var(--ease);
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease);
}
.primary-nav a:hover { color: var(--color-ink); }
.primary-nav a:hover::after { transform: scaleX(1); }

@media (max-width: 63.9375rem) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: fixed;
    inset: 4.25rem 0 0 0;
    background: var(--color-paper);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem var(--gutter);
    gap: 1.5rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .primary-nav a { font-size: 1.125rem; }
  .site-header.nav-open .primary-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .site-header.nav-open .nav-toggle .bar { transform: rotate(45deg); }
  .site-header.nav-open .nav-toggle .bar::before { transform: rotate(90deg) translate(6px, 0); top: 0; }
  .site-header.nav-open .nav-toggle .bar::after { opacity: 0; }
}

@media (min-width: 64rem) {
  .nav-toggle { display: none; }
}

/* -- Buttons -- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.5em;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  white-space: nowrap;
}

.btn:active { transform: scale(0.985) translateY(1px); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-paper-raised);
  border-color: var(--color-accent);
}
.btn--primary:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); }

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn--outline:hover { background: var(--color-ink); color: var(--color-paper); }

.btn--block { width: 100%; }

/* -- Hero -- */
.hero {
  padding-block: clamp(3rem, 9vw, 7rem) clamp(3rem, 7vw, 5rem);
  border-top: none;
}

.hero .container {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
}

@media (min-width: 64rem) {
  .hero .container {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.hero-kicker {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  max-width: 18ch;
}

.hero .subtitle {
  margin-top: 1.25rem;
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--color-ink-soft);
  max-width: 40ch;
}

/* -- Entrata hero: fade + micro-traslazione in sequenza al caricamento -- */
@keyframes hero-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.hero-kicker, .hero h1, .hero .subtitle, .hero-ctas, .explainer {
  animation: hero-in 600ms var(--ease) both;
}
.hero-kicker { animation-delay: 0ms; }
.hero h1 { animation-delay: 80ms; }
.hero .subtitle { animation-delay: 160ms; }
.hero-ctas { animation-delay: 240ms; }
.explainer { animation-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  .hero-kicker, .hero h1, .hero .subtitle, .hero-ctas, .explainer { animation: none; }
}

.hero-ctas {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Explainer animato — unico "hero moment" cosmos del sito (per regola del
   design system: cosmos riservato a momenti hero, non usato altrove).
   Riscritto da zero in CSS/JS vanilla, responsive, self-hosted: l'asset
   originale (.dc.html) caricava React da CDN esterno e i font da Google
   Fonts a runtime, incompatibile coi vincoli del sito. Font/immagini qui
   sono gli stessi già self-hosted per il resto della pagina.
   ========================================================================== */
.explainer-stage {
  position: relative;
  width: 100%;
  height: clamp(21rem, 34vw, 30rem);
  border-radius: var(--radius);
  overflow: hidden;
  background: radial-gradient(120% 90% at 70% 16%, #23264d 0%, var(--cosmos-900) 44%, var(--cosmos-950) 100%);
  font-family: var(--font-body);
  color: var(--color-on-dark);
}

.explainer-stars {
  position: absolute;
  inset: -3rem;
  background-image:
    radial-gradient(2px 2px at 20% 30%, #fff, transparent),
    radial-gradient(2px 2px at 65% 12%, #fff, transparent),
    radial-gradient(1px 1px at 80% 60%, #fff, transparent),
    radial-gradient(2px 2px at 42% 78%, #fff, transparent),
    radial-gradient(1px 1px at 12% 66%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 88% 34%, #fff, transparent),
    radial-gradient(1px 1px at 33% 20%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 55% 48%, #fff, transparent);
  background-size: 220px 220px;
  opacity: 0.45;
  animation: expl-starDrift 26s linear infinite alternate;
}

.explainer-glow {
  position: absolute;
  width: 40%;
  padding-top: 40%;
  left: 55%;
  top: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 92, 158, .34), transparent 62%);
  filter: blur(10px);
  animation: expl-glowPulse 10s ease-in-out infinite;
}

.explainer-scene {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(0.6rem, 2vw, 1.1rem);
  padding: clamp(1rem, 3vw, 1.75rem);
  text-align: center;
}

.explainer-scene--a { animation: expl-scnA 18s ease-in-out infinite; }
.explainer-scene--b { animation: expl-scnB 18s ease-in-out infinite; }
.explainer-scene--c { animation: expl-scnC 18s ease-in-out infinite; }

.explainer-cup {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.explainer-cup::before {
  content: '';
  position: absolute;
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  background: radial-gradient(circle, var(--star-glow), transparent 60%);
  opacity: 0.4;
  filter: blur(6px);
  animation: expl-glowPulse 5s ease-in-out infinite;
}
.explainer-cup img {
  width: clamp(3.25rem, 7vw, 4.5rem);
  height: auto;
  position: relative;
  animation: expl-floatCup 6s ease-in-out infinite;
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, .45));
}

.explainer-wordmark {
  width: clamp(7rem, 15vw, 9.5rem);
  height: auto;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .5));
}

.explainer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  background: rgba(242, 200, 121, .14);
  border: 1px solid rgba(242, 200, 121, .4);
  color: var(--star-gold);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.4em 0.9em;
  border-radius: 999px;
}

.explainer-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.0625rem, 2.8vw, 1.5rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
  max-width: 26ch;
}
.explainer-headline span { color: var(--star-gold); }

.explainer-heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.9375rem, 2.4vw, 1.25rem);
  letter-spacing: -0.01em;
  max-width: 28ch;
}
.explainer-heading span { color: var(--star-gold); }

.explainer-prompt {
  width: min(90%, 26rem);
  display: flex;
  align-items: center;
  gap: 0.6em;
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .3);
  padding: 0.7em 0.9em;
  color: var(--color-ink-soft);
}
.explainer-prompt__text {
  font-family: var(--font-body);
  font-size: clamp(0.75rem, 1.8vw, 0.9375rem);
  font-weight: 600;
}
.explainer-caret {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-accent-dark);
  animation: expl-caret 1s step-end infinite;
}

.explainer-chips {
  display: flex;
  gap: clamp(0.4rem, 1.5vw, 0.9rem);
  flex-wrap: wrap;
  justify-content: center;
}
.explainer-chip {
  width: clamp(4.25rem, 11vw, 6.25rem);
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 0.6em;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .25);
  color: var(--color-ink-soft);
  animation: expl-chipIn 18s ease-in-out infinite;
}
.explainer-chip:nth-child(1) { animation-delay: 0s; }
.explainer-chip:nth-child(2) { animation-delay: .12s; }
.explainer-chip:nth-child(3) { animation-delay: .24s; }
.explainer-chip:nth-child(4) { animation-delay: .36s; }
.explainer-chip__icon { display: block; font-size: clamp(1.1rem, 2.6vw, 1.5rem); }
.explainer-chip span:last-child {
  display: block;
  font-weight: 700;
  font-size: clamp(0.625rem, 1.4vw, 0.75rem);
  margin-top: 0.3em;
}

.explainer-note {
  font-size: clamp(0.75rem, 1.6vw, 0.875rem);
  color: var(--color-on-dark-muted);
}
.explainer-note--gold {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--star-gold);
}

.explainer-graph {
  position: relative;
  width: min(100%, 26rem);
  height: clamp(11rem, 20vw, 15rem);
}
.explainer-connector {
  position: absolute;
  background: repeating-linear-gradient(to bottom, var(--star-gold) 0 6px, transparent 6px 14px);
  opacity: 0.7;
}
.explainer-connector--top, .explainer-connector--bottom {
  left: 50%;
  width: 3px;
  height: 22%;
  transform: translateX(-50%);
  background-size: 100% 14px;
  animation: expl-flowY .9s linear infinite;
}
.explainer-connector--top { top: 14%; }
.explainer-connector--bottom { bottom: 14%; }
.explainer-connector--left, .explainer-connector--right {
  top: 50%;
  height: 3px;
  width: 20%;
  transform: translateY(-50%);
  background: repeating-linear-gradient(to right, var(--star-gold) 0 6px, transparent 6px 14px);
  background-size: 14px 100%;
  animation: expl-flowX .9s linear infinite;
}
.explainer-connector--left { left: 8%; }
.explainer-connector--right { right: 8%; }

.explainer-hub {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: clamp(5rem, 15vw, 7rem);
  height: clamp(5rem, 15vw, 7rem);
  border-radius: 50%;
  background: var(--cosmos-900);
  border: 2px solid var(--star-gold);
  box-shadow: 0 0 40px rgba(242, 200, 121, .35), 0 12px 30px rgba(0, 0, 0, .45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
}
.explainer-hub img { width: 40%; height: auto; }
.explainer-hub span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.5625rem, 1.4vw, 0.6875rem);
  color: var(--star-gold);
}

.explainer-node {
  position: absolute;
  width: clamp(4.5rem, 12vw, 5.75rem);
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 0.5em;
  color: var(--color-ink-soft);
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .3);
  animation: expl-nodeIn 18s ease-in-out infinite;
}
.explainer-node--top { left: 50%; top: 0; transform: translateX(-50%); animation-delay: 0s; }
.explainer-node--bottom { left: 50%; bottom: 0; transform: translateX(-50%); animation-delay: .15s; }
.explainer-node--left { left: 0; top: 50%; transform: translateY(-50%); animation-delay: .3s; }
.explainer-node--right { right: 0; top: 50%; transform: translateY(-50%); animation-delay: .45s; }
.explainer-node__icon { display: block; font-size: clamp(1rem, 2.4vw, 1.375rem); }
.explainer-node span:last-child {
  display: block;
  font-weight: 700;
  font-size: clamp(0.5625rem, 1.3vw, 0.6875rem);
  margin-top: 0.2em;
}

.explainer-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(255, 255, 255, .1);
}
.explainer-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--star-gold));
  animation: expl-loopProg 18s linear infinite;
}

@keyframes expl-starDrift { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-30px, -18px, 0); } }
@keyframes expl-floatCup { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-8px) rotate(2deg); } }
@keyframes expl-glowPulse { 0%, 100% { opacity: .45; transform: scale(1); } 50% { opacity: .85; transform: scale(1.07); } }
@keyframes expl-caret { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes expl-loopProg { from { width: 0%; } to { width: 100%; } }
@keyframes expl-flowY { from { background-position-y: 0; } to { background-position-y: 14px; } }
@keyframes expl-flowX { from { background-position-x: 0; } to { background-position-x: 14px; } }

@keyframes expl-scnA { 0% { opacity: 0; transform: translateY(10px) scale(.98); } 5% { opacity: 1; transform: none; } 27% { opacity: 1; transform: none; } 32%, 100% { opacity: 0; transform: translateY(-10px) scale(1.01); } }
@keyframes expl-scnB { 0%, 31% { opacity: 0; transform: translateY(10px) scale(.98); } 36% { opacity: 1; transform: none; } 60% { opacity: 1; transform: none; } 65%, 100% { opacity: 0; transform: translateY(-10px) scale(1.01); } }
@keyframes expl-scnC { 0%, 64% { opacity: 0; transform: translateY(10px) scale(.98); } 69% { opacity: 1; transform: none; } 95% { opacity: 1; transform: none; } 99%, 100% { opacity: 0; } }

@keyframes expl-chipIn { 0%, 37% { opacity: 0; transform: translateY(10px) scale(.7); } 43% { opacity: 1; transform: translateY(0) scale(1.05); } 46%, 59% { opacity: 1; transform: none; } 63%, 100% { opacity: 0; } }
@keyframes expl-nodeIn { 0%, 66% { opacity: 0; transform: scale(.6); } 72% { opacity: 1; transform: scale(1.05); } 75%, 93% { opacity: 1; transform: scale(1); } 96%, 100% { opacity: 0; transform: scale(1); } }

@media (prefers-reduced-motion: reduce) {
  .explainer-stars, .explainer-glow, .explainer-progress__bar,
  .explainer-cup::before, .explainer-cup img, .explainer-caret,
  .explainer-chip, .explainer-connector, .explainer-node { animation: none !important; }
  .explainer-scene { animation: none !important; opacity: 0; }
  .explainer-scene--a { opacity: 1; }
}

/* -- Problema -- */
.problem-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

@media (min-width: 56rem) {
  .problem-layout { grid-template-columns: 0.85fr 1.15fr; }
}

.problem-intro h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
.problem-intro p { margin-top: 1.25rem; color: var(--color-ink-soft); font-size: 1.0625rem; }

.problem-list {
  border-top: 1px solid var(--color-line);
}

.problem-list li {
  display: grid;
  grid-template-columns: 1.75rem 1fr;
  gap: 1rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--color-line);
  font-size: 1rem;
}

.problem-list li .mark {
  font-family: var(--font-display);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.125rem;
}

.problem-list li strong { display: block; margin-bottom: 0.15em; }
.problem-list li span.detail { color: var(--color-ink-soft); }

/* -- Griglia soluzioni (ristoratore / fornitore) -- */
.solutions-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

@media (min-width: 40rem) {
  .solutions-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 64rem) {
  .solutions-grid { grid-template-columns: repeat(3, 1fr); }
}

.solution-card {
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 1.75rem 1.5rem;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

.solution-card:hover {
  background: var(--color-paper-raised);
}

.solution-card:hover .idx {
  color: var(--color-accent);
}

.solution-card .idx {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-ink-faint);
  font-size: 0.9375rem;
  transition: color var(--dur) var(--ease);
}

.solution-card h3 {
  margin-top: 0.6rem;
  font-size: 1.1875rem;
  font-weight: 600;
}

.solution-card p {
  margin-top: 0.6rem;
  color: var(--color-ink-soft);
  font-size: 0.9375rem;
}

/* -- Differenziatore -- */
.diff-section {
  background: var(--color-ink);
  color: var(--color-paper);
  border-top: 1px solid var(--color-line);
}

.diff-section .eyebrow { color: var(--color-accent); }
.diff-section .eyebrow::before { background: var(--color-accent); }

.diff-section h2 {
  font-size: clamp(1.875rem, 3.6vw, 2.75rem);
  max-width: 20ch;
}

.diff-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}

@media (min-width: 60rem) {
  .diff-layout { grid-template-columns: 1fr 1fr; align-items: start; }
}

.diff-copy p {
  color: var(--color-on-dark-muted);
  font-size: 1.0625rem;
  max-width: 42ch;
}

.diff-copy p + p { margin-top: 1rem; }

.diff-example {
  border: 1px solid var(--color-line-on-dark);
  background: var(--color-surface-on-dark);
  padding: 1.5rem;
}

.diff-example .diff-example__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  margin-bottom: 0.9rem;
}

.diff-example blockquote {
  margin: 0;
  font-family: var(--font-body);
  font-style: italic;
  font-size: clamp(1.0625rem, 1.9vw, 1.3125rem);
  line-height: 1.4;
  color: var(--color-paper-raised);
  border-left: 3px solid var(--color-accent);
  padding-left: 1.1rem;
}

.diff-example blockquote .mono-figure {
  font-family: var(--font-mono);
  font-style: normal;
}

.diff-security {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-line-on-dark);
  font-size: 0.9375rem;
  color: var(--color-on-dark-muted);
}

/* -- Modello di business -- */
.model-grid {
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (min-width: 48rem) {
  .model-grid { grid-template-columns: 1fr 1fr; }
}

.model-col {
  background: var(--color-paper);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  transition: background var(--dur) var(--ease);
}

.model-col:hover { background: var(--color-paper-raised); }

.model-col--accent { background: var(--color-paper-raised); }

.model-col .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border: 1px solid var(--color-line-strong);
  margin-bottom: 1rem;
  transition: border-color var(--dur) var(--ease);
}

.model-col:hover .tag { border-color: var(--color-accent); }

.model-col h3 {
  font-size: 1.375rem;
  margin-bottom: 0.6rem;
}

.model-col p { color: var(--color-ink-soft); }

/* -- Dati e sicurezza -- */
.security-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

@media (min-width: 48rem) {
  .security-list { grid-template-columns: repeat(3, 1fr); }
}

.security-list li {
  background: var(--color-paper);
  padding: 1.25rem 1.4rem;
  font-size: 0.9375rem;
  color: var(--color-ink-soft);
  transition: background var(--dur) var(--ease);
}

.security-list li:hover { background: var(--color-paper-raised); }

.security-list li strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.0625rem;
  margin-bottom: 0.4em;
}

/* -- CTA finale / form -- */
.cta-section {
  background: var(--color-paper-alt);
}

.cta-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

@media (min-width: 56rem) {
  .cta-layout { grid-template-columns: 0.9fr 1.1fr; }
}

.cta-copy h2 { font-size: clamp(1.75rem, 3.2vw, 2.375rem); }
.cta-copy p { margin-top: 1rem; color: var(--color-ink-soft); max-width: 34ch; }

.lead-form {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line-strong);
  padding: clamp(1.5rem, 3vw, 2rem);
}

.form-row {
  display: grid;
  gap: 1.1rem;
}

@media (min-width: 30rem) {
  .form-row--2 { grid-template-columns: 1fr 1fr; }
}

.field { margin-bottom: 1.1rem; }
.field:last-of-type { margin-bottom: 0; }

.field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.4em;
}

.field .required { color: var(--color-accent); }

.field input,
.field select {
  width: 100%;
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.7em 0.85em;
  background: var(--color-paper);
  border: 1.5px solid var(--color-line-strong);
  border-radius: var(--radius);
  color: var(--color-ink);
  transition: border-color var(--dur) var(--ease);
}

.field input:focus,
.field select:focus { border-color: var(--color-accent); }

.field-consent {
  display: flex;
  gap: 0.65em;
  align-items: flex-start;
  font-size: 0.875rem;
  color: var(--color-ink-soft);
}

.field-consent input { margin-top: 0.25em; flex: none; }

.form-actions { margin-top: 1.5rem; }

.form-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--color-ink-faint);
}

.form-status {
  margin-top: 1rem;
  font-size: 0.9375rem;
  padding: 0.75em 1em;
  border: 1px solid var(--color-line-strong);
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-error { border-color: var(--color-accent); color: var(--color-accent-dark); }

/* -- Footer -- */
.site-footer {
  background: var(--color-ink);
  color: var(--color-paper);
  padding-block: clamp(2.5rem, 5vw, 3.5rem) 1.75rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-line-on-dark);
}

@media (min-width: 40rem) {
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}

.footer-brand .logo { color: var(--color-paper); }
.footer-brand p {
  margin-top: 0.85rem;
  color: var(--color-on-dark-muted);
  font-size: 0.9375rem;
  max-width: 32ch;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  margin-bottom: 0.9rem;
}

.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col a {
  text-decoration: none;
  color: var(--color-on-dark);
  font-size: 0.9375rem;
}
.footer-col a:hover { color: var(--color-accent); text-decoration: underline; }

.footer-bottom {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-on-dark-faint);
}

/* -- Pagine legali (stub) -- */
.legal-page main .container { max-width: 46rem; }
.legal-page h1 { font-size: clamp(1.875rem, 4vw, 2.5rem); }
.legal-placeholder {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1.5px dashed var(--color-line-strong);
  color: var(--color-ink-soft);
  font-size: 0.9375rem;
}
.legal-page .updated {
  margin-top: 0.75rem;
  color: var(--color-ink-faint);
  font-size: 0.875rem;
}
.legal-page section + section { margin-top: 2rem; }
.legal-page h2 { font-size: 1.25rem; margin-bottom: 0.6rem; }
.legal-page p { color: var(--color-ink-soft); }

/* -- Reveal allo scroll (sobrio: fade + micro-traslazione, un blocco per sezione) -- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 550ms var(--ease), transform 550ms var(--ease);
}

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

/* stagger leggero sulle card quando sono il target del reveal */
.solution-card.reveal:nth-child(1) { transition-delay: 0ms; }
.solution-card.reveal:nth-child(2) { transition-delay: 50ms; }
.solution-card.reveal:nth-child(3) { transition-delay: 100ms; }
.solution-card.reveal:nth-child(4) { transition-delay: 150ms; }
.solution-card.reveal:nth-child(5) { transition-delay: 200ms; }
.solution-card.reveal:nth-child(6) { transition-delay: 250ms; }
.solution-card.reveal:nth-child(7) { transition-delay: 300ms; }
.solution-card.reveal:nth-child(8) { transition-delay: 350ms; }
.solution-card.reveal:nth-child(9) { transition-delay: 400ms; }
.solution-card.reveal:nth-child(10) { transition-delay: 450ms; }

/* -- Utility -- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}