html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--site-header-height) + 1.25rem);
}

:root {
  --site-header-height: 5rem;
  --site-header-blur: 18px;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(212, 130, 42, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(246, 247, 251, 0.7), transparent 28%),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: var(--font-weight-body);
}

body.menu-open {
  overflow: hidden;
}

h1,
h2,
h3,
h4,
.font-heading {
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
}

a,
button {
  transition:
    color 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    opacity 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.site-shell {
  position: relative;
  isolation: isolate;
}

[data-site-header] {
  position: relative;
  z-index: 40;
  display: block;
  min-height: var(--site-header-height);
}

.site-header-bar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--color-header-bg) 78%, transparent);
  backdrop-filter: blur(var(--site-header-blur));
  -webkit-backdrop-filter: blur(var(--site-header-blur));
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.site-header-bar::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1.1rem;
  left: 0;
  height: 1.1rem;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.14), transparent);
  opacity: 0.32;
  pointer-events: none;
}

.site-mobile-menu {
  background: color-mix(in srgb, var(--color-header-bg) 84%, transparent);
  backdrop-filter: blur(var(--site-header-blur));
  -webkit-backdrop-filter: blur(var(--site-header-blur));
}

.dark .site-header-bar {
  background: color-mix(in srgb, var(--color-header-bg) 86%, transparent);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
}

.dark .site-header-bar::after {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.32), transparent);
  opacity: 0.7;
}

.dark .site-mobile-menu {
  background: color-mix(in srgb, var(--color-header-bg) 90%, transparent);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header-bar,
  .site-mobile-menu {
    background: var(--color-header-bg);
  }
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(23, 26, 46, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 26, 46, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 84%);
  pointer-events: none;
}

.dark .site-shell::before {
  background-image:
    linear-gradient(rgba(228, 226, 220, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(228, 226, 220, 0.04) 1px, transparent 1px);
}

.section-kicker {
  color: var(--color-divider-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--color-surface) 84%, transparent);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}

.dark .section-card {
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
}

.hero-panel {
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 130, 42, 0.16), transparent 44%);
  pointer-events: none;
}

.dark .hero-panel::after {
  background: linear-gradient(135deg, rgba(176, 141, 74, 0.18), transparent 44%);
}

.brand-rule {
  width: 4.5rem;
  height: 1px;
  background: var(--color-divider-accent);
}

.prose-brand {
  color: var(--color-text-muted);
  line-height: 1.85;
}

.prose-brand a {
  color: var(--color-heading);
  font-weight: 700;
}

.prose-brand strong {
  color: var(--color-heading);
}

.prose-brand ul {
  margin: 1rem 0;
  padding-left: 1.25rem;
}

.prose-brand li + li {
  margin-top: 0.5rem;
}

.accent-edu {
  border-top: 3px solid var(--color-accent-edu);
}

.accent-marketing {
  border-top: 3px solid var(--color-accent-marketing);
}

.accent-g3d {
  border-top: 3px solid #144269ff;
}

.accent-welfare {
  border-top: 3px solid var(--color-accent-welfare);
}

/*
  Link/pulsanti con bg-heading: in dark theme --color-heading e chiaro; con text-white
  il contrasto crolla. Si forza sfondo divider e testo scuro in .dark.
*/
a.bg-heading {
  background-color: var(--color-heading);
  color: #ffffff;
}

.dark a.bg-heading {
  background-color: var(--color-divider-accent);
  color: #0f172a;
}

a.bg-heading:hover {
  opacity: 0.92;
}

/* Card verticali (home/servizi): sfondo leggermente tintato con accent del JSON */
article.vertical-card.accent-edu {
  background: color-mix(in srgb, var(--color-surface) 90%, var(--color-accent-edu) 7%);
}

.dark article.vertical-card.accent-edu {
  background: color-mix(in srgb, var(--color-surface) 93%, var(--color-accent-edu) 6%);
}

article.vertical-card.accent-marketing {
  background: color-mix(in srgb, var(--color-surface) 90%, var(--color-accent-marketing) 8%);
}

.dark article.vertical-card.accent-marketing {
  background: color-mix(in srgb, var(--color-surface) 93%, var(--color-accent-marketing) 6%);
}

article.vertical-card.accent-g3d {
  background: color-mix(in srgb, var(--color-surface) 90%, #5f7a6a 10%);
}

.dark article.vertical-card.accent-g3d {
  background: color-mix(in srgb, var(--color-surface) 92%, #6f8a79 8%);
}

article.vertical-card.accent-welfare {
  background: color-mix(in srgb, var(--color-surface) 90%, var(--color-accent-welfare) 8%);
}

.dark article.vertical-card.accent-welfare {
  background: color-mix(in srgb, var(--color-surface) 93%, var(--color-accent-welfare) 6%);
}

article.vertical-card.accent-edu .icon-chip {
  border-color: color-mix(in srgb, var(--color-border) 55%, var(--color-accent-edu) 45%);
  color: var(--color-accent-edu);
}

article.vertical-card.accent-marketing .icon-chip {
  border-color: color-mix(in srgb, var(--color-border) 55%, var(--color-accent-marketing) 45%);
  color: var(--color-accent-marketing);
}

article.vertical-card.accent-g3d .icon-chip {
  border-color: color-mix(in srgb, var(--color-border) 55%, var(--color-accent-g3d) 45%);
  color: var(--color-accent-g3d);
}

article.vertical-card.accent-welfare .icon-chip {
  border-color: color-mix(in srgb, var(--color-border) 55%, var(--color-accent-welfare) 45%);
  color: var(--color-accent-welfare);
}

article.vertical-card.accent-edu .btn-vertical-primary {
  background-color: var(--color-accent-edu);
  color: #ffffff;
}

.dark article.vertical-card.accent-edu .btn-vertical-primary {
  color: #12161d;
}

article.vertical-card.accent-edu .btn-vertical-primary:hover {
  background-color: var(--color-accent-edu-hover);
}

article.vertical-card.accent-marketing .btn-vertical-primary {
  background-color: var(--color-accent-marketing);
  color: #ffffff;
}

.dark article.vertical-card.accent-marketing .btn-vertical-primary {
  color: #ffffff;
}

article.vertical-card.accent-marketing .btn-vertical-primary:hover {
  background-color: var(--color-accent-marketing-hover);
}

article.vertical-card.accent-g3d .btn-vertical-primary {
  background-color: var(--color-accent-g3d);
  color: #ffffff;
}

.dark article.vertical-card.accent-g3d .btn-vertical-primary {
  color: #ffffff;
}

article.vertical-card.accent-g3d .btn-vertical-primary:hover {
  background-color: var(--color-accent-g3d-hover);
}

article.vertical-card.accent-welfare .btn-vertical-primary {
  background-color: var(--color-accent-welfare);
  color: #ffffff;
}

.dark article.vertical-card.accent-welfare .btn-vertical-primary {
  color: #12161d;
}

article.vertical-card.accent-welfare .btn-vertical-primary:hover {
  background-color: var(--color-accent-welfare-hover);
}

/* Pagine verticale: hero con stessa logica accent sulla CTA principale */
.vertical-hero.accent-edu .btn-vertical-primary {
  background-color: var(--color-accent-edu);
  color: #ffffff;
}

.dark .vertical-hero.accent-edu .btn-vertical-primary {
  color: #12161d;
}

.vertical-hero.accent-edu .btn-vertical-primary:hover {
  background-color: var(--color-accent-edu-hover);
}

.vertical-hero.accent-marketing .btn-vertical-primary {
  background-color: var(--color-accent-marketing);
  color: #ffffff;
}

.dark .vertical-hero.accent-marketing .btn-vertical-primary {
  color: #ffffff;
}

.vertical-hero.accent-marketing .btn-vertical-primary:hover {
  background-color: var(--color-accent-marketing-hover);
}

.vertical-hero.accent-g3d .btn-vertical-primary {
  background-color: var(--color-accent-g3d);
  color: #ffffff;
}

.dark .vertical-hero.accent-g3d .btn-vertical-primary {
  color: #ffffff;
}

.vertical-hero.accent-g3d .btn-vertical-primary:hover {
  background-color: var(--color-accent-g3d-hover);
}

.vertical-hero.accent-welfare .btn-vertical-primary {
  background-color: var(--color-accent-welfare);
  color: #ffffff;
}

.dark .vertical-hero.accent-welfare .btn-vertical-primary {
  color: #12161d;
}

.vertical-hero.accent-welfare .btn-vertical-primary:hover {
  background-color: var(--color-accent-welfare-hover);
}

.vertical-hero.section-card.accent-edu {
  background: color-mix(in srgb, var(--color-surface) 88%, var(--color-accent-edu) 8%);
}

.dark .vertical-hero.section-card.accent-edu {
  background: color-mix(in srgb, var(--color-surface) 92%, var(--color-accent-edu) 6%);
}

.vertical-hero.section-card.accent-marketing {
  background: color-mix(in srgb, var(--color-surface) 88%, var(--color-accent-marketing) 9%);
}

.dark .vertical-hero.section-card.accent-marketing {
  background: color-mix(in srgb, var(--color-surface) 92%, var(--color-accent-marketing) 7%);
}

.vertical-hero.section-card.accent-g3d {
  background: color-mix(in srgb, var(--color-surface) 88%, #5f7a6a 12%);
}

.dark .vertical-hero.section-card.accent-g3d {
  background: color-mix(in srgb, var(--color-surface) 91%, #6f8a79 9%);
}

.vertical-hero.section-card.accent-welfare {
  background: color-mix(in srgb, var(--color-surface) 88%, var(--color-accent-welfare) 9%);
}

.dark .vertical-hero.section-card.accent-welfare {
  background: color-mix(in srgb, var(--color-surface) 92%, var(--color-accent-welfare) 7%);
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  color: var(--color-heading);
  font-size: 0.9rem;
  font-weight: 700;
}

.theme-toggle .theme-toggle-light,
.theme-toggle .theme-toggle-dark {
  transition: opacity 180ms ease;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-dark,
.theme-toggle[aria-pressed="false"] .theme-toggle-light {
  opacity: 1;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-light,
.theme-toggle[aria-pressed="false"] .theme-toggle-dark {
  opacity: 0.4;
}

[data-menu-toggle] .mobile-menu-close {
  display: none;
}

[data-menu-toggle][aria-expanded="true"] .mobile-menu-burger {
  display: none;
}

[data-menu-toggle][aria-expanded="true"] .mobile-menu-close {
  display: inline-flex;
}

[data-mobile-menu] {
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

[data-mobile-menu].is-hidden {
  display: none;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-0.5rem);
}

[data-site-footer] a:hover,
[data-site-header] a:hover {
  opacity: 0.88;
}

.vertical-card-logo {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: center;
}

.vertical-card-logo img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 5.5rem;
  object-fit: contain;
  transition: transform 180ms ease;
}

.vertical-card-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.vertical-card-logo-link:hover img,
.vertical-card-logo-link:focus-visible img {
  transform: translateY(-3px);
}

.dark .vertical-card-logo img {
  filter: none;
}

.dark .vertical-card-logo-link {
  background: #ffffff;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
}

.dark .site-brand-mark {
  background: #ffffff;
  padding: 0.25rem;
  border-radius: 8px;
}

.metric-card strong {
  display: block;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 1.8rem;
  line-height: 1;
}

.cta-grid > * {
  height: 100%;
}

@media (max-width: 767px) {
  :root {
    --site-header-height: 4.75rem;
  }

  .site-shell::before {
    background-size: 24px 24px;
  }
}