/* ============================================================
   PrevEasy CPQ — experimental landing (clean-room prototype)
   Light theme: palette allineata ai token dell'applicazione
   (canvas caldo, testo navy, primario #0f172a, accento #1d4ed8,
   petrolio #0f766e riservato a «CPQ»), con effetti decorativi
   propri della landing. Self-contained: system fonts, icone SVG
   inline, nessun font esterno, CDN, analytics o richieste di rete.
   ============================================================ */

:root {
  color-scheme: light;

  /* PrevEasy CPQ palette (allineata a src/interfaces/web/styles.css) */
  --background: #faf9f6;
  --surface: #faf9f6;
  --surface-lowest: #ffffff;
  --surface-low: #f4f3ef;
  --surface-container: #edece6;
  --surface-high: #e5e4de;
  --surface-highest: #dedcd4;
  --on-surface: #0f172a;
  --on-surface-variant: #475569;
  --outline: #64748b;
  --outline-variant: #e5e4de;
  --primary: #0f172a;
  --primary-container: #1e293b;
  --primary-fixed: #eff6ff;
  --on-primary-fixed: #0f172a;
  --primary-fixed-dim: #dbeafe;
  --secondary: #475569;
  --secondary-fixed: #eef2f6;
  --on-secondary-fixed: #0f172a;
  --tertiary: #0f766e;
  --tertiary-container: #0f766e;
  --tertiary-fixed: #ddf1ef;
  --focus: #1d4ed8;
  --inverse-surface: #0f172a;
  --inverse-on-surface: #f8fafc;
  --error: #be123c;
  --warning: #b45309;
  --warning-fixed: #fef3c7;

  --r-sm: 0.25rem;
  --r-md: 0.5rem;
  --r-lg: 0.75rem;
  --r-xl: 1rem;
  --r-2xl: 1.5rem;
  --r-full: 9999px;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --gutter: 1.5rem;
  --margin-mobile: 1rem;
  --margin: 2rem;
  --margin-desktop: 3rem;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Menlo, Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 24px -12px rgba(15, 23, 42, 0.22);
  --shadow-lg: 0 24px 48px -22px rgba(15, 23, 42, 0.32);
  --shadow-xl: 0 40px 90px -40px rgba(15, 23, 42, 0.4);
  --glow: 0 12px 32px -10px rgba(15, 23, 42, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--background);
  color: var(--on-surface);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
figure,
blockquote {
  margin: 0;
}

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

button {
  font: inherit;
  color: inherit;
}

code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 0.1em 0.4em;
  border-radius: var(--r-sm);
  background: var(--surface-container);
  color: var(--primary);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---------- helpers ---------- */
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  z-index: 200;
  padding: 0.6rem 1rem;
  border-radius: var(--r-md);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-md);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--margin-mobile);
}

.container-narrow {
  max-width: 880px;
}

/* ---------- reveal-on-scroll ---------- */
/* Hidden only when scripting is available; otherwise content stays visible. */
@media (scripting: enabled) {
  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
      transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
  }
}

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

/* ---------- buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  overflow: hidden;
  transition:
    background-color 0.2s ease,
    box-shadow 0.25s ease,
    transform 0.25s ease,
    color 0.2s ease;
}

.btn .icon {
  width: 1.15em;
  height: 1.15em;
  transition: transform 0.25s ease;
}

.btn:hover .icon {
  transform: translateX(2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-container), var(--primary) 60%, #0b111c);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: var(--glow);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--surface-lowest);
  color: var(--on-surface);
  border-color: var(--outline-variant);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.08);
  color: var(--inverse-on-surface);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 16px;
}

.btn-sm {
  padding: 0.6rem 1rem;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(250, 249, 246, 0.85);
  backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 5rem;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--margin-mobile);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.brand-product {
  color: #0f766e;
}

.brand-sub {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-list a {
  position: relative;
  display: block;
  padding: 0.5rem var(--space-sm);
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--on-surface-variant);
  transition:
    color 0.2s ease,
    background-color 0.2s ease;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: 0.25rem;
  height: 2px;
  border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--primary-container), var(--tertiary-container));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--on-surface);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-md);
  background: var(--surface-lowest);
  cursor: pointer;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding-top: 8rem;
  padding-bottom: var(--space-3xl);
  background: linear-gradient(
    180deg,
    var(--surface-lowest) 0%,
    var(--background) 55%,
    var(--surface-low) 100%
  );
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
}

.orb-1 {
  width: 32rem;
  height: 32rem;
  top: -12rem;
  left: -8rem;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.45), transparent 70%);
  animation: drift 22s ease-in-out infinite;
}

.orb-2 {
  width: 28rem;
  height: 28rem;
  top: -6rem;
  right: -6rem;
  background: radial-gradient(circle, rgba(29, 78, 216, 0.3), transparent 70%);
  animation: drift 26s ease-in-out infinite reverse;
}

.orb-3 {
  width: 24rem;
  height: 24rem;
  bottom: -10rem;
  left: 40%;
  background: radial-gradient(circle, rgba(71, 85, 105, 0.28), transparent 70%);
  animation: drift 30s ease-in-out infinite;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(2.5rem, 1.5rem, 0) scale(1.08);
  }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  margin-bottom: var(--space-lg);
  border-radius: var(--r-full);
  background: rgba(239, 246, 255, 0.8);
  border: 1px solid rgba(29, 78, 216, 0.18);
  color: var(--on-primary-fixed);
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--r-full);
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.3);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

.hero-copy h1 {
  font-size: clamp(2.25rem, 4.6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 800;
  text-wrap: balance;
  margin-bottom: var(--space-lg);
}

.gradient-text {
  background: linear-gradient(110deg, #0f172a 5%, #0f766e 90%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-lead {
  max-width: 34rem;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.7;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-xl);
}

.hero-lead strong {
  color: var(--on-surface);
  font-weight: 700;
}

.hero-notice {
  max-width: 34rem;
  margin-bottom: var(--space-lg);
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

.hero-notice strong {
  color: var(--on-surface);
  font-weight: 700;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.micro-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  color: var(--on-surface-variant);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.micro-benefits li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.micro-benefits .icon {
  width: 1.1em;
  height: 1.1em;
  color: var(--primary);
}

/* ---------- mockup ---------- */
.mockup {
  position: relative;
  padding: var(--space-md);
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(229, 228, 222, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-xl);
}

.mockup::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.5),
    rgba(29, 78, 216, 0.25) 40%,
    transparent 70%
  );
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  pointer-events: none;
}

.mockup-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.75rem;
  margin-bottom: var(--space-md);
  border-radius: var(--r-md);
  background: var(--surface-low);
}

.mockup-bar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.win-dots {
  display: inline-flex;
  gap: 0.375rem;
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: var(--r-full);
}

.dot-red {
  background: rgba(190, 18, 60, 0.7);
}
.dot-amber {
  background: #f0b429;
}
.dot-blue {
  background: rgba(29, 78, 216, 0.7);
}

.mockup-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 13px;
  font-weight: 700;
}

.mockup-title .icon {
  color: var(--primary);
  width: 1.1em;
  height: 1.1em;
}

.pill {
  padding: 0.15rem 0.5rem;
  border-radius: var(--r-sm);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pill-muted {
  background: var(--surface-high);
  color: var(--on-surface-variant);
}

.pill-warn {
  background: var(--warning-fixed);
  color: var(--warning);
}

.pill-live {
  background: var(--tertiary-fixed);
  color: var(--tertiary);
}

.mockup-body {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: var(--space-md);
}

.mockup-subhead {
  margin-bottom: 0.75rem;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.catalog-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.catalog-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--r-md);
  background: var(--surface-lowest);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.catalog-item:hover {
  border-color: var(--primary-container);
  box-shadow: var(--shadow-sm);
  transform: translateX(2px);
}

.catalog-item.is-off {
  opacity: 0.55;
}

.ci-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--outline-variant);
  color: transparent;
}

.ci-check .icon {
  width: 0.9em;
  height: 0.9em;
  stroke-width: 3;
}

.ci-check.is-on {
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary-container), var(--primary));
  color: #fff;
}

.ci-main {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.ci-name {
  font-size: 13px;
  font-weight: 700;
}

.ci-meta {
  font-size: 11px;
  color: var(--on-surface-variant);
}

.ci-qty {
  font-size: 12px;
  font-weight: 700;
  color: var(--on-surface-variant);
  font-variant-numeric: tabular-nums;
}

.tag {
  align-self: flex-start;
  margin-top: 0.2rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--r-sm);
  font-size: 10px;
  font-weight: 700;
}

.tag-required {
  background: var(--primary-fixed);
  color: var(--on-primary-fixed);
}

.tag-incompatible {
  background: #ffe4e6;
  color: var(--error);
}

.mockup-result {
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  border-radius: var(--r-lg);
  background: var(--surface-low);
  min-width: 0;
}

.discount {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.25rem 0.5rem;
  margin-bottom: var(--space-md);
}

.discount label {
  font-size: 12px;
  font-weight: 700;
}

.discount-value {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.discount input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.result-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 12px;
}

.result-row dt {
  color: var(--on-surface-variant);
}

.result-row dd {
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.result-row-discount dd {
  color: var(--primary);
}

.result-total {
  padding-top: 0.5rem;
  border-top: 1px solid var(--outline-variant);
}

.result-total dt {
  color: var(--on-surface);
  font-weight: 700;
}

.result-total dd {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.mockup-note {
  margin-top: var(--space-md);
  font-size: 11px;
  line-height: 1.5;
  color: var(--on-surface-variant);
}

.mockup-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-md);
  padding: 0.6rem 0.75rem;
  border-radius: var(--r-md);
  background: var(--tertiary-fixed);
  color: var(--tertiary);
  font-size: 13px;
  font-weight: 600;
}

.mockup-hint .icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

/* ---------- metrics ---------- */
.metrics {
  position: relative;
  background: linear-gradient(180deg, #0f172a, #0b111c);
  color: var(--inverse-on-surface);
  padding-block: var(--space-2xl);
  overflow: hidden;
}

.metrics::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 20% 0%, rgba(15, 118, 110, 0.4), transparent 70%),
    radial-gradient(ellipse 50% 70% at 90% 100%, rgba(29, 78, 216, 0.3), transparent 70%);
  pointer-events: none;
}

.metrics .container {
  position: relative;
}

.metrics-eyebrow {
  margin-bottom: var(--space-lg);
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #94a3b8;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: var(--space-lg);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.metric:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 234, 212, 0.4);
}

.metric-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  background: linear-gradient(120deg, #fff 25%, #5eead4 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--r-full);
  background: rgba(15, 118, 110, 0.28);
  color: #5eead4;
}

.metric-ic .icon {
  width: 1.1em;
  height: 1.1em;
}
.metric-ic-tertiary {
  background: rgba(29, 78, 216, 0.3);
  color: #bfdbfe;
}
.metric-ic-secondary {
  background: rgba(71, 85, 105, 0.35);
  color: #e2e8f0;
}

.metric-label {
  font-size: 13px;
  line-height: 1.6;
  color: #cbd5e1;
}

/* ---------- generic section ---------- */
.section {
  padding-block: var(--space-3xl);
}

.section-surface {
  background: var(--surface);
}
.section-low {
  background: var(--surface-low);
}

.section-head {
  margin-bottom: var(--space-2xl);
}

.section-head-center {
  max-width: 48rem;
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

.eyebrow::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--primary-container), var(--tertiary-container));
}

.section-head h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.section-lead {
  margin-top: var(--space-md);
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

/* ---------- cards ---------- */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  border-radius: var(--r-lg);
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease,
    border-color 0.3s ease;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.07), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(15, 118, 110, 0.45);
}

.card:hover::after {
  opacity: 1;
}

.card > * {
  position: relative;
  z-index: 1;
}

.card h3 {
  margin-bottom: 0.5rem;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

.card-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.25rem;
  border-radius: var(--r-md);
}

.card-ic .icon {
  width: 1.5em;
  height: 1.5em;
}

.card-ic-primary {
  background: var(--primary-fixed);
  color: var(--on-primary-fixed);
}
.card-ic-secondary {
  background: var(--secondary-fixed);
  color: var(--on-secondary-fixed);
}
.card-ic-tertiary {
  background: var(--tertiary-fixed);
  color: var(--tertiary);
}
.card-ic-primary-dim {
  background: var(--primary-fixed-dim);
  color: var(--on-primary-fixed);
}
.card-ic-neutral {
  background: var(--surface-high);
  color: var(--on-surface);
}

.card-note {
  margin-top: auto;
  padding-top: var(--space-md);
  font-size: 12px;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
  padding-top: var(--space-md);
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
}

/* ---------- platform strip ---------- */
.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.07), rgba(29, 78, 216, 0.05));
  border: 1px solid rgba(15, 118, 110, 0.2);
}

.strip-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.strip-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex: none;
  border-radius: var(--r-md);
  background: var(--surface-lowest);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.strip-ic .icon {
  width: 1.2em;
  height: 1.2em;
}

.strip-item strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

.strip-item span {
  font-size: 12px;
  line-height: 1.5;
  color: var(--on-surface-variant);
}

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  border-radius: var(--r-lg);
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-sm);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.step:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.step-final {
  background: linear-gradient(150deg, #eff6ff, #ffffff);
  border-color: rgba(15, 118, 110, 0.35);
}

.step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--primary-container), var(--primary));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: var(--shadow-sm);
}

.step-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
}

.tag-primary {
  color: var(--primary);
}

.step h3 {
  margin-bottom: 0.5rem;
  font-size: 17px;
  font-weight: 700;
}

.step p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

/* ---------- transparency compare ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.compare-col {
  padding: var(--space-lg);
  border-radius: var(--r-lg);
  border: 1px solid var(--outline-variant);
  background: var(--surface-lowest);
  box-shadow: var(--shadow-sm);
}

.compare-yes {
  border-top: 3px solid #16794c;
}

.compare-no {
  border-top: 3px solid var(--outline);
}

.compare-col h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
  font-size: 16px;
  font-weight: 700;
}

.compare-yes h3 .icon {
  color: #16794c;
}
.compare-no h3 .icon {
  color: var(--outline);
}

.compare-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.compare-col li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 13px;
  line-height: 1.55;
  color: var(--on-surface-variant);
}

.compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--r-full);
}

.compare-yes li::before {
  background: #16794c;
}
.compare-no li::before {
  background: var(--outline);
}

.compare-cta {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--outline-variant);
  font-size: 13px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

.compare-cta .icon {
  width: 1.25em;
  height: 1.25em;
  margin-top: 0.1em;
  color: var(--tertiary);
  flex: none;
}

.compare-cta a {
  color: var(--primary);
  font-weight: 600;
}

.compare-note {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: 13px;
  color: var(--on-surface-variant);
}

/* ---------- beta ---------- */
.beta {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.beta-copy h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: var(--space-md);
}

.beta-copy > p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-lg);
}

.beta-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.beta-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 14px;
  color: var(--on-surface-variant);
}

.beta-list .icon {
  width: 1.1em;
  height: 1.1em;
  color: #16794c;
}

.beta-list strong {
  color: var(--on-surface);
}

.beta-card {
  position: relative;
  padding: var(--space-xl);
  border-radius: var(--r-xl);
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-lg);
  text-align: center;
  overflow: hidden;
}

.beta-card::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -30%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.16), transparent 70%);
  pointer-events: none;
}

.beta-card > * {
  position: relative;
}

.beta-card-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-md);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--primary-container), var(--primary));
  color: #fff;
}

.beta-card-ic .icon {
  width: 1.4em;
  height: 1.4em;
}

.beta-card h3 {
  margin-bottom: 0.5rem;
  font-size: 18px;
  font-weight: 700;
}

.beta-card p {
  margin-bottom: var(--space-lg);
  font-size: 13px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

.beta-card-note {
  margin-top: var(--space-md);
  margin-bottom: 0;
  font-size: 11px;
  color: var(--on-surface-variant);
}

/* ---------- faq ---------- */
.faq {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border-radius: var(--r-lg);
  background: var(--surface-lowest);
  border: 1px solid var(--outline-variant);
  overflow: hidden;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: rgba(15, 118, 110, 0.4);
}

.faq-item h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  padding: 1.25rem;
  border: 0;
  background: transparent;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.2s ease;
}

.faq-trigger:hover {
  color: var(--primary);
}

.faq-chevron {
  transition: transform 0.25s ease;
}

.faq-trigger[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
}

.faq-panel {
  padding: 0 1.25rem 1.25rem;
}

.faq-panel p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

/* ---------- final CTA ---------- */
.cta {
  position: relative;
  padding-block: var(--space-3xl);
  background: linear-gradient(180deg, #0f172a, #0b111c);
  color: var(--inverse-on-surface);
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 50% 0%, rgba(15, 118, 110, 0.4), transparent 70%),
    radial-gradient(ellipse 40% 60% at 85% 100%, rgba(29, 78, 216, 0.3), transparent 70%);
  pointer-events: none;
}

.cta .container {
  position: relative;
}

.cta-inner {
  max-width: 56rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cta-badge {
  padding: 0.4rem 0.9rem;
  margin-bottom: var(--space-lg);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cta h2 {
  margin-bottom: var(--space-lg);
  font-size: clamp(1.9rem, 4.4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.cta-lead {
  max-width: 42rem;
  margin-bottom: var(--space-xl);
  font-size: clamp(1rem, 1.8vw, 1.1rem);
  line-height: 1.7;
  color: #cbd5e1;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.cta-contacts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  width: 100%;
  max-width: 32rem;
  padding-top: var(--space-lg);
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: var(--space-md);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition:
    background-color 0.2s ease,
    transform 0.2s ease;
}

.contact-card:hover,
.contact-card:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.contact-card .icon {
  width: 1.4em;
  height: 1.4em;
  color: #5eead4;
}

.contact-card span {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.35;
}

.contact-card small {
  font-size: 11px;
  color: #94a3b8;
}

.contact-card strong {
  font-size: 13px;
  font-weight: 600;
}

/* ---------- footer ---------- */
.site-footer {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  background: var(--surface-lowest);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gutter);
  margin-bottom: var(--space-2xl);
}

.footer-brand p {
  max-width: 24rem;
  margin-top: var(--space-md);
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--r-sm);
  background: var(--surface-container);
  font-size: 11px;
  font-weight: 600;
  color: var(--on-surface-variant);
}

.footer-badge .icon {
  width: 1.1em;
  height: 1.1em;
  color: var(--primary);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col-title {
  margin-bottom: 0.4rem;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col a {
  font-size: 15px;
  color: var(--on-surface-variant);
  transition: color 0.2s ease;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--on-surface);
}

.footer-note {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: var(--space-md);
  border-radius: var(--r-lg);
  background: var(--surface-low);
}

.footer-note .icon {
  width: 1.4em;
  height: 1.4em;
  color: var(--warning);
}

.footer-note p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--outline-variant);
  font-size: 13px;
  color: var(--on-surface-variant);
}

.footer-legal-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--on-surface-variant);
}

/* ---------- legal page ---------- */
.legal-page {
  max-width: 46rem;
  margin-inline: auto;
  padding-block: var(--space-3xl);
  padding-inline: var(--margin-mobile);
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--space-lg);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
}

.legal-page h1 {
  margin-bottom: var(--space-md);
  font-size: clamp(1.75rem, 3.6vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.legal-page h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  font-size: 18px;
  font-weight: 700;
}

.legal-page p {
  margin-bottom: var(--space-sm);
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

.legal-page ul {
  margin-bottom: var(--space-sm);
  padding-left: 1.2rem;
  list-style: disc;
}

.legal-page li {
  margin-bottom: 0.35rem;
  font-size: 15px;
  line-height: 1.7;
  color: var(--on-surface-variant);
}

.legal-page a {
  color: var(--primary);
  text-decoration: underline;
}

.legal-meta {
  margin-top: var(--space-xl);
  font-size: 13px;
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .container {
    padding-inline: var(--margin);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--margin-desktop);
  }
}

@media (max-width: 1279px) {
  .main-nav {
    position: absolute;
    top: 5rem;
    right: var(--margin-mobile);
    left: var(--margin-mobile);
    display: block;
    padding: var(--space-md);
    border-radius: var(--r-lg);
    background: var(--surface-lowest);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition:
      opacity 0.2s ease,
      transform 0.2s ease,
      visibility 0.2s ease;
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    padding: 0.75rem 0.5rem;
    border-radius: var(--r-md);
    font-size: 15px;
  }

  .nav-list a::after {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 1099px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    text-align: left;
  }

  .mockup {
    max-width: 40rem;
  }
}

@media (max-width: 1023px) {
  .cards-3 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

@media (max-width: 767px) {
  .section {
    padding-block: var(--space-2xl);
  }

  .hero {
    padding-top: 7rem;
  }

  .cards-3,
  .steps,
  .compare,
  .strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .mockup-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .cta-contacts {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 479px) {
  .metrics-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

  /* Il CTA in header sparisce sotto i 480px: rimane il CTA della hero. */
  .header-actions .btn {
    display: none;
  }
}

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

  .orb,
  .badge-dot {
    animation: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn,
  .card,
  .metric,
  .step,
  .catalog-item,
  .contact-card,
  .nav-list a::after,
  .faq-chevron,
  .main-nav {
    transition: none;
  }
}

/* forced colors */
@media (forced-colors: active) {
  .gradient-text {
    background: none;
    color: CanvasText;
    -webkit-text-fill-color: CanvasText;
  }

  .metric-value {
    background: none;
    color: CanvasText;
    -webkit-text-fill-color: CanvasText;
  }

  .brand-mark,
  .step-num,
  .beta-card-ic {
    border: 1px solid CanvasText;
  }
}