/* =========================================================
   Design tokens
   Cambia questi valori per aggiornare palette, ombre e radius
   dell'intera landing senza toccare ogni singolo componente.
   ========================================================= */
:root {
  --blue: #1e3a5f;
  --blue-2: #2f5d8a;
  --cta: #3a86ff;
  --bg: #f8fafc;
  --text: #1f2937;
  --muted: #6b7280;
  --card: #ffffff;
  --border: #dce5f2;
  --shadow: 0 24px 70px rgba(30, 58, 95, 0.12);
  --radius: 28px;
  --page-bg-a: #f8fafc;
  --page-bg-b: #eef5ff;
}

/* Reset leggero: rende padding e bordi prevedibili su tutti gli elementi. */
* {
  box-sizing: border-box;
}

/* Scroll fluido per tutte le CTA che puntano alle sezioni con anchor. */
html {
  scroll-behavior: smooth;
}

/* Stili globali del documento. overflow-x evita scroll laterale su mobile. */
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 12%, color-mix(in srgb, var(--page-bg-b) 72%, transparent), transparent 34%),
    linear-gradient(135deg, var(--page-bg-a), var(--page-bg-b));
  background-attachment: fixed;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
  transition: background 260ms linear;
}

/* Blocco dello scroll quando il menu mobile è aperto. */
body.nav-open {
  overflow: hidden;
}

/* Link e media di base. */
a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

picture {
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
  min-width: 0;
}

/* Accessibilità: testo visibile agli screen reader ma nascosto nel layout. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* =========================================================
   Header
   È fisso sopra la hero. La classe .is-scrolled viene aggiunta
   da script.js per renderlo più visibile durante lo scroll.
   ========================================================= */
.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  width: min(1180px, calc(100% - 32px));
  margin: 0;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 14px;
  background: rgba(248, 250, 252, 0.72);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

/* Stato header dopo lo scroll: più contrasto, bordo e ombra soft. */
.site-header.is-scrolled {
  border-color: rgba(30, 58, 95, 0.1);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 46px rgba(30, 58, 95, 0.12);
}

/* Gruppi flex ricorrenti. Se cambi display qui impatti più componenti. */
.brand,
.main-nav,
.hero-actions,
.micro-trust,
.form-buttons,
.choice-row {
  display: flex;
  align-items: center;
}

/* Logo header. Cambia src in index.html se vuoi usare un altro file. */
.brand {
  flex: 0 0 auto;
}

.brand img {
  width: auto;
  height: 38px;
  object-fit: contain;
}

/* Navigazione desktop. Da mobile viene sostituita dal menu hamburger. */
.main-nav {
  gap: 26px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.main-nav a {
  transition: color 160ms ease;
}

.main-nav a:hover {
  color: var(--blue);
}

/* =========================================================
   Bottoni e CTA
   .primary è la CTA principale; .secondary è una CTA di supporto.
   ========================================================= */
.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.header-cta {
  padding: 11px 18px;
  color: var(--card);
  background: var(--blue);
}

.button {
  border: 1px solid transparent;
  padding: 15px 26px;
  cursor: pointer;
  text-align: center;
}

.button:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.site-header .header-cta:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: var(--card);
  background: linear-gradient(135deg, #4778ff, #1f58c9);
  box-shadow: 0 20px 38px rgba(58, 100, 220, 0.28);
}

.button.secondary {
  color: var(--blue);
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(30, 58, 95, 0.08);
  box-shadow: 0 12px 30px rgba(30, 58, 95, 0.06);
}

/* Freccia testuale nella CTA hero. Puoi rimuoverla eliminando questa regola. */
.button.arrow::after {
  content: "->";
  margin-left: 12px;
}

/* Hamburger mobile: nascosto di default, attivato nei breakpoint. */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--blue);
}

/* Wrapper standard delle sezioni: mantiene larghezza massima coerente. */
.section,
.section-band,
.final-cta {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

/* =========================================================
   Hero
   Prima schermata: copy a sinistra, visual prodotto a destra.
   Il padding-top alto compensa l'header fisso sopra la hero.
   ========================================================= */
.hero {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(410px, 0.95fr);
  gap: clamp(40px, 6vw, 84px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding:
    clamp(126px, 10vw, 148px)
    max(24px, calc((100vw - 1520px) / 2 + 72px))
    clamp(76px, 7vw, 104px);
  background:
    radial-gradient(circle at 74% 36%, rgba(58, 134, 255, 0.18), transparent 35%),
    linear-gradient(120deg, #eef4ff 0%, #f4f8ff 48%, #e4f3ff 100%);
}

/* Colonna copy della hero. */
.hero-copy {
  max-width: 660px;
}

/* Pill superiore nella hero. Modifica testo da HTML, stile da qui. */
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 34px;
  border: 1px solid rgba(58, 134, 255, 0.14);
  border-radius: 999px;
  padding: 10px 16px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 30px rgba(30, 58, 95, 0.08);
  font-size: 0.95rem;
  font-weight: 800;
}

/* Iconcina decorativa dentro la pill. */
.hero-pill::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 7px;
  background:
    linear-gradient(var(--cta), var(--cta)) center / 12px 2px no-repeat,
    linear-gradient(var(--cta), var(--cta)) center / 2px 12px no-repeat,
    rgba(58, 134, 255, 0.12);
}

/* Eyebrow generica usata nei titoletti di sezione. */
.eyebrow {
  margin: 0 0 14px;
  color: var(--cta);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Tipografia titoli e protezione da overflow su parole lunghe. */
h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

/* Titolo hero. Riduci/aumenta il clamp per cambiare la dimensione. */
h1 {
  max-width: 660px;
  margin: 0;
  color: var(--text);
  font-size: clamp(2.9rem, 4.9vw, 5.35rem);
  line-height: 1;
  letter-spacing: 0;
}

/* Parola evidenziata nella headline hero. */
h1 span {
  display: inline;
  color: var(--cta);
}

/* Titoli sezione e titoli card. */
h2 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(2rem, 4.4vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.25;
}

/* Testi secondari: colore muted coerente in tutta la pagina. */
.hero-subtitle,
.section-heading p,
.contact-intro p,
.final-cta p,
.form-aside p,
.step-card p,
.audience-grid p,
.testimonial-grid p {
  color: var(--muted);
}

.hero-subtitle {
  max-width: 560px;
  margin: 26px 0 0;
  color: rgba(31, 41, 55, 0.62);
  font-size: clamp(1.08rem, 1.45vw, 1.32rem);
  line-height: 1.6;
}

/* CTA della hero. */
.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-note {
  margin: 14px 0 0;
  color: rgba(31, 41, 55, 0.58);
  font-size: 0.95rem;
  font-weight: 750;
}

/* Micro trust con spunte: usato in hero e CTA finale. */
.micro-trust {
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 22px 0 0;
  padding: 0;
  color: var(--muted);
  list-style: none;
  font-size: 0.92rem;
  font-weight: 700;
}

.micro-trust li {
  position: relative;
  padding-left: 18px;
}

.micro-trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cta);
}

/* Versione con checkmark al posto del pallino. */
.micro-trust.checks li::before {
  content: "✓";
  top: 0;
  width: auto;
  height: auto;
  color: var(--cta);
  background: transparent;
  font-weight: 900;
}

.hero-checks {
  margin-top: 18px;
}

/* Colonna visual hero. Padding sotto per lasciare spazio al badge flottante. */
.hero-side {
  position: sticky;
  top: 112px;
  align-self: start;
  min-width: 0;
  padding-bottom: 44px;
  z-index: 1;
}

/* Card immagine prodotto hero. Cambia immagine in index.html. */
.product-card {
  position: relative;
  min-height: clamp(410px, 38vw, 590px);
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 42px;
  background: #d9ecfb;
  box-shadow: 0 34px 90px rgba(30, 58, 95, 0.22);
  transition: transform 260ms ease, box-shadow 260ms ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 42px 100px rgba(30, 58, 95, 0.26);
}

/* Immagine nella card prodotto: object-fit cover la mantiene piena e ritagliata bene. */
.product-card picture,
.product-card img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: inherit;
  border-radius: inherit;
  object-fit: cover;
}

/* Badge flottante sopra la card prodotto. */
.product-badge {
  position: absolute;
  left: 56px;
  bottom: -1px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(30, 58, 95, 0.08);
  border-radius: 28px;
  padding: 18px 24px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 48px rgba(30, 58, 95, 0.18);
  transform: translateY(42%);
}

.product-badge > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--card);
  background: var(--cta);
  font-size: 1.5rem;
  font-weight: 800;
}

.product-badge strong,
.product-badge small {
  display: block;
}

.product-badge strong {
  color: var(--text);
  font-size: 1rem;
}

.product-badge small {
  margin-top: 2px;
  color: var(--muted);
  font-weight: 700;
}

/* Metriche sotto la CTA hero. */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 580px;
  margin-top: 56px;
}

.hero-stats div {
  padding-right: 28px;
  border-right: 1px solid rgba(30, 58, 95, 0.1);
}

.hero-stats div:last-child {
  border-right: 0;
}

.hero-stats strong {
  display: block;
  color: var(--text);
  font-size: clamp(1.65rem, 2.25vw, 2.45rem);
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

/* =========================================================
   Sezioni generiche e card
   Queste regole gestiscono spaziatura, griglie e hover delle sezioni.
   ========================================================= */
.section {
  padding: 92px 0;
}

/* Ritmo verticale: riduce gli stacchi dove due blocchi narrativi sono collegati. */
.hero + .sales-channels {
  margin-top: 52px;
}

.sales-channels + .inline-cta {
  margin-top: 34px;
}

.inline-cta + .problem {
  padding-top: 68px;
}

#nutrabrand-system + .inline-cta {
  margin-bottom: 64px;
}

/* Header di sezione: testo sopra griglie e form. */
.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading p,
.contact-intro p,
.final-cta p {
  margin: 14px 0 0;
  font-size: 1.04rem;
}

/* Griglie principali: processo, benefit, target e testimonial. */
.steps-grid,
.benefit-grid,
.audience-grid,
.testimonial-grid,
.problem-list,
.result-list {
  display: grid;
  gap: 16px;
}

.steps-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Card base condivisa. Cambiare qui influenza molte card della landing. */
.step-card,
.benefit-grid article,
.audience-grid article,
.testimonial-grid blockquote,
.problem-list article,
.result-list article,
.form-shell {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: 0 18px 44px rgba(30, 58, 95, 0.06);
}

.step-card,
.benefit-grid article,
.audience-grid article,
.testimonial-grid blockquote,
.problem-list article,
.result-list article {
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

/* Hover card: micro-interazione leggera per dare profondità. */
.step-card:hover,
.benefit-grid article:hover,
.audience-grid article:hover,
.testimonial-grid blockquote:hover,
.problem-list article:hover,
.result-list article:hover {
  border-color: rgba(58, 134, 255, 0.28);
  transform: translateY(-4px);
  box-shadow: 0 24px 58px rgba(30, 58, 95, 0.1);
}

/* Sezione problema: frizioni del target prima della soluzione. */
.problem-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.problem-list article {
  padding: 24px;
  color: var(--blue);
  font-weight: 850;
}

/* Sezione soluzione: blocco premium per evidenziare la proposta di valore centrale. */
.solution {
  width: min(1180px, calc(100% - 32px));
  border-radius: 40px;
  padding: clamp(58px, 7vw, 92px) clamp(24px, 6vw, 76px);
  color: var(--card);
  background:
    radial-gradient(circle at 20% 18%, rgba(58, 134, 255, 0.36), transparent 30%),
    linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 30px 90px rgba(30, 58, 95, 0.18);
}

.solution .section-heading {
  max-width: 880px;
  margin-bottom: 0;
}

.solution .eyebrow,
.solution h2,
.solution p {
  color: var(--card);
}

.solution p:not(.eyebrow) {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.06rem, 1.7vw, 1.28rem);
}

/* Differenziazione post-hero: evidenzia le tre leve reali della vendita online nutraceutica. */
.sales-channels {
  width: min(1180px, calc(100% - 32px));
  border-radius: 40px;
  padding: clamp(58px, 7vw, 92px) clamp(22px, 5vw, 64px);
  background:
    radial-gradient(circle at 82% 20%, rgba(58, 134, 255, 0.18), transparent 30%),
    linear-gradient(135deg, #ffffff, #eef5ff);
  box-shadow: 0 24px 70px rgba(30, 58, 95, 0.1);
}

.channel-grid,
.layer-grid {
  display: grid;
  gap: 16px;
}

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

.channel-grid article,
.layer-grid article {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--card);
  box-shadow: 0 18px 44px rgba(30, 58, 95, 0.06);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.channel-grid article:hover,
.layer-grid article:hover {
  border-color: rgba(58, 134, 255, 0.28);
  transform: translateY(-4px);
  box-shadow: 0 24px 58px rgba(30, 58, 95, 0.1);
}

.channel-grid span,
.layer-grid span {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--cta);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.channel-grid h3,
.layer-grid h3 {
  color: var(--blue);
  font-size: 1.22rem;
}

.channel-grid p,
.layer-grid p {
  margin: 12px 0 0;
  color: var(--muted);
}

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

/* CTA intermedie: blocchi compatti per convertire dopo i momenti di maggiore chiarezza. */
.inline-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 0;
  margin-bottom: 0;
  border: 1px solid rgba(58, 134, 255, 0.18);
  border-radius: 30px;
  padding: 30px;
  background: var(--card);
  box-shadow: 0 18px 44px rgba(30, 58, 95, 0.06);
}

.inline-cta p {
  max-width: 680px;
  margin: 0;
  color: var(--blue);
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  font-weight: 850;
}

/* Mini deck Nutrabrand System: presentazione orizzontale del protocollo. */
.section.system-deck {
  width: 100%;
  min-height: 210vh;
  padding-right: max(16px, calc((100vw - 1180px) / 2));
  padding-left: max(16px, calc((100vw - 1180px) / 2));
  color: var(--card);
  background:
    linear-gradient(135deg, #162b47 0%, var(--blue) 48%, var(--blue-2) 100%);
  overflow: visible;
}

.deck-sticky {
  position: sticky;
  top: 104px;
  max-width: 1180px;
  margin: 0 auto;
}

.system-deck .section-heading {
  max-width: 920px;
}

.system-deck .eyebrow,
.system-deck h2 {
  color: var(--card);
}

.system-deck h2 {
  font-size: clamp(2.4rem, 5vw, 4.35rem);
}

.system-deck .section-heading p {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.08rem, 1.6vw, 1.24rem);
}

.deck-shell {
  position: relative;
  overflow: hidden;
}

.deck-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 2px 20px;
  scroll-behavior: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.34) transparent;
}

.deck-track::-webkit-scrollbar {
  height: 8px;
}

.deck-track::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
}

.deck-card {
  flex: 0 0 calc((100% - 16px) / 2);
  min-height: 380px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 34px;
  padding: 40px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 255, 0.96));
  box-shadow: none;
  scroll-snap-align: start;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.deck-card:hover {
  border-color: rgba(255, 255, 255, 0.46);
  transform: translateY(-4px);
  box-shadow: none;
}

.deck-number {
  display: inline-flex;
  margin-bottom: 48px;
  color: var(--cta);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.deck-card h3 {
  color: var(--blue);
  font-size: clamp(1.35rem, 2.1vw, 2rem);
}

.deck-card p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.deck-controls {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 16px;
}

.deck-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: var(--card);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.deck-arrow:hover {
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: none;
}

.deck-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  text-align: center;
}

.deck-cta p {
  margin: 0;
  color: var(--card);
  font-weight: 850;
}

/* Caso reale: prova concreta del sistema, con tono professionale e non da dashboard. */
.case-study {
  width: min(1180px, calc(100% - 32px));
  margin-top: 56px;
  border-radius: 40px;
  padding: clamp(64px, 7vw, 96px) clamp(22px, 5vw, 64px);
  background:
    radial-gradient(circle at 88% 18%, rgba(58, 134, 255, 0.12), transparent 30%),
    linear-gradient(135deg, #f7f9fc, #eef5ff);
}

.case-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 24px;
  align-items: stretch;
}

.case-copy,
.case-results {
  border: 1px solid rgba(220, 229, 242, 0.9);
  border-radius: 20px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 44px rgba(30, 58, 95, 0.06);
}

.case-label {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--cta);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-copy h3 {
  color: var(--blue);
  font-size: clamp(1.65rem, 2.8vw, 2.4rem);
}

.case-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

.case-copy ul {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.case-copy li {
  position: relative;
  padding-left: 24px;
  color: var(--blue);
  font-weight: 750;
}

.case-copy li::before {
  content: "";
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cta);
}

.case-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.case-kpis article {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  background: var(--card);
}

.case-kpis strong {
  display: block;
  color: var(--blue);
  font-size: clamp(1.55rem, 2.2vw, 2.2rem);
  line-height: 1;
}

.case-kpis span {
  display: block;
  margin-top: 10px;
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 850;
  text-transform: uppercase;
}

.case-kpis p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.case-highlight {
  margin: 20px 0 0;
  border-left: 4px solid var(--cta);
  border-radius: 16px;
  padding: 16px 18px;
  color: var(--blue);
  background: rgba(58, 134, 255, 0.08);
  font-weight: 850;
}

.case-chart {
  width: 100%;
  margin-top: 20px;
  border-radius: 20px;
  box-shadow: 0 16px 34px rgba(30, 58, 95, 0.08);
}

.case-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  border: 1px solid rgba(58, 134, 255, 0.16);
  border-radius: 20px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.74);
}

.case-cta p {
  margin: 0;
  color: var(--blue);
  font-size: clamp(1.06rem, 1.8vw, 1.22rem);
  font-weight: 850;
}

.case-cta div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Sezione risultato: visualmente più forte per comunicare output concreti. */
.result {
  width: 100%;
  padding-right: max(16px, calc((100vw - 1180px) / 2));
  padding-left: max(16px, calc((100vw - 1180px) / 2));
  background:
    radial-gradient(circle at 18% 18%, rgba(58, 134, 255, 0.16), transparent 26%),
    linear-gradient(135deg, var(--blue), var(--blue-2));
}

.result .eyebrow,
.result h2,
.result .section-heading p {
  color: var(--card);
}

.result-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.result-list article {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--card);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.14);
  padding: 28px;
  backdrop-filter: blur(12px);
}

.result-list article:hover {
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: 0 30px 86px rgba(0, 0, 0, 0.2);
}

.result-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border-radius: 50%;
  color: var(--blue);
  background: var(--card);
  font-weight: 900;
}

.result-list strong {
  display: block;
  color: var(--card);
  font-size: 1.18rem;
  line-height: 1.22;
}

.result-list p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.step-card {
  padding: 24px;
}

.step-card span,
.benefit-grid span,
.form-kicker {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--cta);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Griglia benefit desktop: 3 colonne, così 6 card si dispongono in due righe ordinate. */
.benefit-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.benefit-grid article {
  min-height: 150px;
  padding: 22px;
}

.benefit-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.audience-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.audience-grid article {
  padding: 26px;
}

/* Partner unico: blocco compatto e centrato, pensato come leva di credibilita e non come sezione protagonista. */
.partner-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  max-width: 760px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--card);
  box-shadow: 0 18px 44px rgba(30, 58, 95, 0.06);
}

.partner-card img {
  width: 160px;
  height: auto;
}

.partner-card p {
  margin: 12px 0;
  color: var(--muted);
}

.partner-card a {
  color: var(--blue);
  font-weight: 800;
}

/* =========================================================
   Form / Lead generation
   Sezione più importante per la conversione. Layout a due colonne:
   testo informativo a sinistra e form multi-step a destra.
   ========================================================= */
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.64fr) minmax(660px, 1.36fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  min-width: 0;
}

/* Intro del form: sticky su desktop, normale su tablet/mobile. */
.contact-intro {
  position: sticky;
  top: 104px;
}

/* Wrapper del form: colonna informativa + form. */
.form-shell {
  display: grid;
  grid-template-columns: minmax(310px, 0.62fr) minmax(0, 1fr);
  overflow: hidden;
  min-width: 0;
}

/* Colonna blu "Brief progetto". */
.form-aside {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
  padding: 38px;
  color: var(--card);
  background: linear-gradient(145deg, var(--blue), var(--blue-2));
}

.form-aside h3 {
  max-width: 320px;
  color: var(--card);
  font-size: clamp(1.85rem, 2.2vw, 2.35rem);
  line-height: 1.05;
}

.form-aside p,
.form-aside li,
.form-aside .form-kicker {
  color: rgba(255, 255, 255, 0.78);
}

.form-aside p {
  max-width: 360px;
  margin-top: 18px;
  font-size: 1rem;
  line-height: 1.65;
}

.form-aside ul {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  font-weight: 700;
}

.form-aside li {
  padding-left: 24px;
  position: relative;
  line-height: 1.35;
}

.form-aside li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cta);
}

/* Form vero e proprio. */
.lead-form {
  padding: 30px;
  min-width: 0;
}

/* Campo honeypot anti-spam: resta nel DOM ma fuori dal flusso visivo. */
.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Testo "Step X di 3" e titolo dello step corrente. */
.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.step-title {
  color: var(--blue);
}

/* Indicatori numerici 1/2/3 del form. Aggiornati via JS con .is-active. */
.progress-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.progress-steps span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: #fbfdff;
  font-size: 0.88rem;
  font-weight: 850;
}

.progress-steps span.is-active {
  color: var(--card);
  border-color: var(--cta);
  background: var(--cta);
  box-shadow: 0 12px 28px rgba(58, 134, 255, 0.22);
}

/* Barra avanzamento orizzontale del form. La width viene aggiornata via JS. */
.progress-track {
  height: 8px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #edf2f8;
}

.progress-track span {
  display: block;
  width: 33.333%;
  height: 100%;
  border-radius: inherit;
  background: var(--cta);
  transition: width 220ms ease;
}

/* Singolo step del form: nascosto di default. */
.form-step {
  display: none;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  border: 0;
}

/* Step attivo: griglia a due colonne desktop. */
.form-step.is-active {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Forza un campo a occupare tutta la larghezza della griglia form. */
.full-field {
  grid-column: 1 / -1;
}

/* Nota introduttiva dentro ogni step del form. */
.form-step-note {
  margin: 0;
  border: 1px solid rgba(58, 134, 255, 0.16);
  border-radius: 16px;
  padding: 13px 14px;
  color: var(--blue);
  background: rgba(58, 134, 255, 0.07);
  font-size: 0.94rem;
  font-weight: 800;
}

/* Nasconde la legend mantenendola utile per accessibilità. */
legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* Label e campi base del form. */
label,
.field-group {
  display: grid;
  gap: 8px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 15px;
  color: var(--text);
  background: #fbfdff;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

select {
  appearance: none;
  background:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%) calc(100% - 20px) 50% / 7px 7px no-repeat,
    linear-gradient(135deg, var(--muted) 50%, transparent 50%) calc(100% - 15px) 50% / 7px 7px no-repeat,
    #fbfdff;
  padding-right: 42px;
}

textarea {
  min-height: 148px;
  resize: vertical;
}

/* Stato focus accessibile e coerente con la CTA blu. */
input:focus,
select:focus,
textarea:focus {
  border-color: var(--cta);
  background: var(--card);
  box-shadow: 0 0 0 4px rgba(58, 134, 255, 0.14);
}

/* Validazione live aggiunta da script.js mentre l'utente compila. */
input.is-valid,
select.is-valid,
textarea.is-valid {
  border-color: rgba(36, 150, 95, 0.45);
}

input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: rgba(220, 58, 58, 0.52);
  background: rgba(220, 58, 58, 0.04);
}

/* Radio "Sì/No" affiancati. */
.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.choice-row label {
  display: flex;
  flex: 1;
  min-width: 120px;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 13px 14px;
  background: #fbfdff;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.choice-row input {
  width: auto;
  min-height: auto;
  accent-color: var(--cta);
}

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

.checkbox-row label {
  flex: none;
  min-width: 0;
}

.privacy-field {
  display: flex;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid rgba(58, 134, 255, 0.16);
  border-radius: 16px;
  padding: 14px 15px;
  color: var(--muted);
  background: rgba(58, 134, 255, 0.06);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.45;
}

.privacy-field input {
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  margin-top: 2px;
  accent-color: var(--cta);
}

.privacy-field a {
  color: var(--blue);
  font-weight: 850;
  text-decoration: none;
}

.privacy-field a:hover {
  text-decoration: underline;
}

.choice-row label:focus-within {
  border-color: var(--cta);
  background: var(--card);
  box-shadow: 0 0 0 4px rgba(58, 134, 255, 0.14);
}

/* Messaggio finale dopo invio simulato. */
.form-message {
  display: none;
  margin-top: 20px;
  border: 1px solid rgba(58, 134, 255, 0.24);
  border-radius: 18px;
  padding: 16px;
  color: var(--blue);
  background: rgba(58, 134, 255, 0.08);
  font-weight: 800;
}

.form-message.is-visible {
  display: block;
}

/* Nota mostrata solo nello step finale, prima del bottone submit. */
.submit-note {
  display: none;
  margin: 18px 0 0;
  color: var(--blue);
  font-size: 0.95rem;
  font-weight: 850;
}

.lead-form.is-last-step .submit-note {
  display: block;
}

/* Bottoni del form: JS mostra/nasconde Indietro, Avanti, Invia. */
.form-buttons {
  gap: 10px;
  margin-top: 24px;
}

.form-buttons .button {
  flex: 1;
}

.form-back,
.form-submit {
  display: none;
}

/* =========================================================
   Testimonial e CTA finale
   ========================================================= */
.trust {
  padding-top: 64px;
}

/* Card testimonial. */
.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial-grid blockquote {
  margin: 0;
  padding: 26px;
}

.testimonial-grid p {
  margin: 0;
  font-size: 1rem;
}

.testimonial-grid cite {
  display: block;
  margin-top: 22px;
  color: var(--blue);
  font-style: normal;
  font-weight: 850;
}

/* Blocco CTA finale: ultimo invito alla conversione. */
.final-cta {
  margin-bottom: 40px;
  border-radius: 36px;
  padding: 74px 24px;
  color: var(--card);
  background:
    radial-gradient(circle at 22% 20%, rgba(58, 134, 255, 0.32), transparent 28%),
    linear-gradient(135deg, var(--blue), var(--blue-2));
  text-align: center;
}

.final-cta h2,
.final-cta .eyebrow,
.final-cta p,
.final-cta .micro-trust {
  color: var(--card);
}

.final-cta p {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
}

.final-cta .button {
  margin-top: 28px;
}

.final-cta .micro-trust {
  justify-content: center;
}

.final-cta .micro-trust li::before {
  background: var(--card);
}

.final-cta .micro-trust.checks li::before {
  color: var(--card);
  background: transparent;
}

/* Footer minimale: chiude la landing con contatti, link legali e nota partner senza appesantire. */
.site-footer {
  width: 100%;
  margin-top: 56px;
  padding: 58px max(24px, calc((100vw - 1180px) / 2)) 28px;
  color: rgba(255, 255, 255, 0.78);
  background: #17263a;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.8fr 0.8fr 1fr;
  gap: 32px;
}

.footer-column {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-column h2,
.footer-column h3,
.footer-column p {
  margin: 0;
}

.footer-column h2,
.footer-column h3 {
  color: var(--card);
}

.footer-column h2 {
  font-size: 1.18rem;
}

.footer-column h3 {
  font-size: 0.9rem;
}

.footer-column p,
.footer-column a {
  max-width: 320px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.94rem;
}

.footer-column a {
  width: fit-content;
  transition: color 160ms ease;
}

.footer-column a:hover {
  color: var(--card);
}


.footer-cookie-manage {
  display: inline-flex;
  width: fit-content;
  border: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.72);
  background: transparent;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
}

.footer-cookie-manage:hover {
  color: #ffffff;
}

.footer-bottom {
  margin-top: 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.88rem;
}

/* CTA mobile sticky: visibile solo da tablet/mobile nei breakpoint. */
.mobile-sticky-cta {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  display: none;
  border-radius: 999px;
  padding: 14px 18px;
  color: var(--card);
  background: var(--cta);
  box-shadow: 0 18px 40px rgba(58, 134, 255, 0.34);
  font-weight: 850;
}

/* Cookie banner: gestione consenso esplicito per cookie marketing/profilazione. */
.cookie-banner {
  position: fixed;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 70;
  display: none;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: stretch;
  max-width: 1120px;
  margin: 0 auto;
  border: 1px solid rgba(30, 58, 95, 0.14);
  border-radius: 24px;
  padding: 22px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(30, 58, 95, 0.18);
  backdrop-filter: blur(16px);
}

.cookie-banner.is-visible {
  display: grid;
}

.cookie-banner h2 {
  margin: 0;
  color: var(--blue);
  font-size: 1.1rem;
}

.cookie-banner p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.cookie-preferences {
  display: none;
  margin-top: 14px;
}

.cookie-preferences.is-visible {
  display: block;
}

.cookie-preferences label {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 13px 14px;
  background: #fbfdff;
}

.cookie-preferences input {
  width: auto;
  min-height: auto;
  accent-color: var(--cta);
}

.cookie-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.cookie-links a {
  color: var(--blue);
  font-weight: 850;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 10px;
}

.cookie-actions .button {
  min-height: 44px;
  padding: 12px 16px;
  white-space: nowrap;
}


/* Pagine legali: layout pulito e leggibile coerente con la landing. */
.legal-main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 132px 0 92px;
}

.legal-card {
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 54px);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 44px rgba(30, 58, 95, 0.06);
}

.legal-card h1 {
  max-width: 760px;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.legal-card h2 {
  margin-top: 34px;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
}

.legal-card p,
.legal-card li {
  color: var(--muted);
}

.legal-card a {
  color: var(--blue);
  font-weight: 850;
}

/* Animazione on-scroll per le sezioni con classe .reveal. */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
   Breakpoint progressivi: desktop piccolo, tablet, mobile, mobile stretto.
   ========================================================= */
@media (max-width: 1180px) {
  /* Il form passa a una colonna prima che diventi troppo compresso. */
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-intro {
    position: static;
    max-width: 760px;
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .problem-list,
  .result-list,
  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .channel-grid,
  .layer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1040px) {
  /* Hero e form diventano verticali su tablet orizzontale. */
  .hero,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-intro {
    position: static;
  }

  .hero-side {
    position: static;
    max-width: 680px;
    margin-right: auto;
    margin-left: auto;
  }

  .benefit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deck-card {
    flex-basis: calc((100% - 16px) / 2);
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  /* Header mobile: menu hamburger, CTA desktop nascosta, CTA sticky attiva. */
  .site-header {
    width: min(100% - 24px, 1180px);
    gap: 12px;
    padding: 8px 10px;
  }

  .brand img {
    height: 26px;
    max-width: 230px;
  }

  .menu-toggle {
    display: block;
    order: 3;
    width: 38px;
    height: 38px;
    border-radius: 999px;
    flex: 0 0 38px;
  }

  .header-cta {
    display: none;
  }

  .mobile-sticky-cta {
    display: inline-flex;
  }

  .main-nav {
    position: fixed;
    top: 82px;
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 12px;
    background: var(--card);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    border-radius: 16px;
    padding: 13px 14px;
    background: var(--bg);
  }

  .section,
  .section-band,
  .final-cta {
    width: min(100% - 24px, 1180px);
  }

  .solution {
    width: min(100% - 24px, 1180px);
    border-radius: 28px;
  }

  .hero {
    min-height: auto;
    padding:
      118px
      max(16px, calc((100vw - 1180px) / 2))
      70px;
  }

  .form-shell {
    grid-template-columns: 1fr;
  }

  .form-step.is-active {
    grid-template-columns: 1fr;
  }

  .checkbox-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-aside {
    padding: 26px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  /* Mobile: bottoni full-width, griglie a una colonna e hero più compatta. */
  h1 {
    font-size: clamp(2.45rem, 12vw, 3.55rem);
  }

  .hero-actions,
  .form-buttons {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .checkbox-row {
    grid-template-columns: 1fr;
  }

  .micro-trust {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-card {
    min-height: 360px;
    border-radius: 28px;
  }

  .product-badge {
    left: 18px;
    right: 18px;
    justify-content: center;
    padding: 14px 16px;
  }

  .hero-pill {
    margin-bottom: 34px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 44px;
  }

  .hero-stats div {
    border-right: 0;
    border-bottom: 1px solid rgba(30, 58, 95, 0.1);
    padding: 0 0 16px;
  }

  .hero-stats div:last-child {
    border-bottom: 0;
  }

  .steps-grid,
  .benefit-grid,
  .problem-list,
  .result-list,
  .audience-grid,
  .channel-grid,
  .layer-grid {
    grid-template-columns: 1fr;
  }

  .inline-cta {
    align-items: stretch;
    flex-direction: column;
    margin-top: 0;
    margin-bottom: 0;
    padding: 24px;
    text-align: center;
  }

  .partner-card {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .case-study {
    border-radius: 28px;
  }

  .case-copy,
  .case-results {
    padding: 22px;
  }

  .case-kpis {
    grid-template-columns: 1fr;
  }

  .case-cta {
    align-items: stretch;
    flex-direction: column;
    text-align: center;
  }

  .case-cta div {
    flex-direction: column;
  }

  .deck-controls {
    justify-content: center;
  }

  .system-deck {
    min-height: auto;
  }

  .deck-sticky {
    position: static;
  }

  .deck-card {
    flex-basis: min(88vw, 420px);
    min-height: 330px;
    padding: 28px;
  }

  .deck-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    grid-template-columns: 1fr;
    right: 10px;
    bottom: 10px;
    left: 10px;
    max-height: min(78vh, 620px);
    overflow-y: auto;
    border-radius: 18px;
    padding: 16px;
  }

  .cookie-banner h2 {
    font-size: 1rem;
  }

  .cookie-banner p {
    font-size: 0.86rem;
    line-height: 1.45;
  }

  .cookie-preferences label {
    align-items: flex-start;
    font-size: 0.86rem;
  }

  .cookie-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .cookie-actions .button {
    width: 100%;
    min-height: 42px;
    padding: 11px 14px;
    white-space: normal;
  }


  .section {
    padding: 68px 0;
  }

  .solution,
  .sales-channels,
  .case-study,
  .final-cta {
    padding: 68px 22px;
  }

  .section.system-deck,
  .section.result {
    padding-top: 68px;
    padding-bottom: 68px;
  }

  .section.system-deck {
    padding-bottom: 36px;
  }

  .lead-form,
  .form-aside,
  .step-card,
  .benefit-grid article,
  .audience-grid article,
  .testimonial-grid blockquote {
    padding: 22px;
  }
}

@media (max-width: 430px) {
  /* Telefoni stretti: ulteriore riduzione di titoli, card e CTA sticky. */
  .site-header,
  .section,
  .section-band,
  .final-cta {
    width: min(100% - 20px, 1180px);
  }

  .section.result,
  .section.system-deck {
    width: 100%;
  }

  .brand img {
    height: 22px;
    max-width: 190px;
  }

  .hero {
    padding: 110px 12px 62px;
  }

  .hero-pill {
    max-width: 100%;
    white-space: normal;
    font-size: 0.86rem;
  }

  h1 {
    font-size: clamp(2.15rem, 11vw, 2.85rem);
  }

  h2 {
    font-size: clamp(1.72rem, 10vw, 2.35rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .product-card {
    min-height: 300px;
    border-radius: 24px;
  }

  .product-badge {
    gap: 10px;
    border-radius: 20px;
    padding: 12px;
  }

  .product-badge > span {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    font-size: 1.2rem;
  }

  .product-badge small {
    font-size: 0.82rem;
  }

  .mobile-sticky-cta {
    right: 10px;
    bottom: 10px;
    left: 10px;
    justify-content: center;
  }

  .cookie-banner {
    right: 8px;
    bottom: 8px;
    left: 8px;
    max-height: 76vh;
    padding: 14px;
  }

  .cookie-links {
    gap: 8px;
  }

  .final-cta {
    border-radius: 26px;
    padding: 56px 18px;
  }

  .section {
    padding: 56px 0;
  }

  .solution,
  .sales-channels,
  .case-study {
    border-radius: 24px;
    padding: 56px 18px;
  }

  .section.system-deck,
  .section.result {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .section.system-deck {
    padding-bottom: 32px;
  }
}


/* Mobile refinement: CTA sticky più discreto. */
@media (max-width: 768px) {
  .mobile-sticky-cta {
    right: auto;
    left: 12px;
    bottom: 12px;
    width: auto;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 0.78rem;
    line-height: 1.15;
    opacity: 0.92;
    box-shadow: none;
    white-space: nowrap;
  }

  body {
    padding-bottom: 64px;
  }
}