/*
 * GRIDTech — Foglio di stile principale
 * Palette: Blu notte #0A2540 + Accent teal #00D4A4 su sfondo chiaro
 * Struttura: design system → layout → componenti → pagine → responsive
 */

/* ============================================================
   1. DESIGN SYSTEM — Variabili CSS
   ============================================================ */
:root {
  /* Colori primari */
  --clr-navy:        #0A2540;
  --clr-navy-mid:    #1B3A5C;
  --clr-navy-light:  #2C5282;

  /* Accent */
  --clr-accent:      #00D4A4;
  --clr-accent-dark: #00A882;
  --clr-accent-pale: #E6FBF6;

  /* Neutrali */
  --clr-bg:          #F8FAFC;
  --clr-bg-alt:      #EFF4F9;
  --clr-white:       #FFFFFF;
  --clr-border:      #D1DCE8;

  /* Testo */
  --clr-text:        #1A2B3C;
  --clr-text-muted:  #5A7184;
  --clr-text-light:  #8FA3B4;

  /* Feedback */
  --clr-success:     #10B981;
  --clr-error:       #EF4444;
  --clr-warning:     #F59E0B;

  /* Tipografia */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Scale tipografica (fluid) */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */

  /* Pesi font */
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semibold:600;
  --weight-bold:    700;
  --weight-black:   900;

  /* Spaziature */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-narrow: 800px;

  /* Bordi */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Ombre */
  --shadow-sm:  0 1px 3px rgba(10,37,64,0.08), 0 1px 2px rgba(10,37,64,0.04);
  --shadow-md:  0 4px 12px rgba(10,37,64,0.10), 0 2px 4px rgba(10,37,64,0.06);
  --shadow-lg:  0 10px 30px rgba(10,37,64,0.12), 0 4px 8px rgba(10,37,64,0.06);
  --shadow-xl:  0 20px 50px rgba(10,37,64,0.15), 0 8px 16px rgba(10,37,64,0.08);
  --shadow-accent: 0 8px 24px rgba(0,212,164,0.25);

  /* Transizioni */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
  --ease-spring:       cubic-bezier(0.22, 1, 0.36, 1);
  --transition-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Header: 72px nav + 2px top-bar (ora dentro l'header fixed) */
  --header-h: 74px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: 1.6;
  color: var(--clr-text);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* NON usare overflow-x: hidden su body: rompe position:sticky in Chrome e Firefox.
     Il clipping orizzontale è gestito via clip-path sul wrapper main dove serve. */
  padding-top: var(--header-h); /* compensa l'header fixed */
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--weight-bold);
  line-height: 1.2;
  color: var(--clr-navy);
}

p {
  line-height: 1.7;
}

/* Focus visibile — accessibilità WCAG AA */
:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Skip link accessibilità */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--clr-accent);
  color: var(--clr-navy);
  padding: var(--space-2) var(--space-4);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-20);
}

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

.section--dark {
  background-color: var(--clr-navy);
  color: var(--clr-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--clr-white);
}

.section--dark p {
  color: rgba(255,255,255,0.8);
}

/* Griglia */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex */
.flex { display: flex; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Testo */
.text-center { text-align: center; }
.text-left   { text-align: left; }

/* ============================================================
   4. TIPOGRAFIA
   ============================================================ */
.heading-display {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--weight-black);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-1 {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--weight-bold);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.heading-2 {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  line-height: 1.2;
}

.heading-3 {
  font-size: clamp(var(--text-xl), 2vw, var(--text-2xl));
  font-weight: var(--weight-semibold);
}

.heading-4 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
}

.lead {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  line-height: 1.65;
  color: var(--clr-text-muted);
}

.label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.label--dark {
  color: var(--clr-navy);
}

/* Decoratore sezione */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header .label {
  margin-bottom: var(--space-3);
}

.section-header .heading-2 {
  margin-bottom: var(--space-4);
}

.section-header .lead {
  max-width: 60ch;
}

.section-header.text-center .lead {
  margin-inline: auto;
}

/* ============================================================
   5. COMPONENTI — Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  transition:
    background 0.25s var(--ease-spring),
    border-color 0.25s var(--ease-spring),
    transform 0.3s var(--ease-spring),
    box-shadow 0.3s var(--ease-spring),
    color 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-navy);
  border-color: var(--clr-accent);
}

.btn--primary:hover {
  background: var(--clr-accent-dark);
  border-color: var(--clr-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.btn--outline {
  background: transparent;
  color: var(--clr-navy);
  border-color: var(--clr-navy);
}

.btn--outline:hover {
  background: var(--clr-navy);
  color: var(--clr-white);
  transform: translateY(-1px);
}

.btn--outline-white {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.5);
}

.btn--outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--clr-white);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-navy);
  padding-inline: var(--space-4);
}

.btn--ghost:hover {
  background: var(--clr-bg-alt);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

/* Icona freccia animata */
.btn .arrow {
  transition: transform var(--transition-base);
}

.btn:hover .arrow {
  transform: translateX(3px);
}

/* ============================================================
   6. COMPONENTI — Card
   ============================================================ */
.card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition:
    transform 0.35s var(--ease-spring),
    box-shadow 0.35s var(--ease-spring),
    border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,212,164,0.3);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-navy-light));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.card__icon {
  width: 52px;
  height: 52px;
  background: var(--clr-accent-pale);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--clr-accent-dark);
  transition:
    background 0.3s var(--ease-spring),
    color 0.2s ease,
    transform 0.35s var(--ease-spring);
}

.card:hover .card__icon {
  background: var(--clr-accent);
  color: var(--clr-navy);
  transform: scale(1.08);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--clr-navy);
}

.card__text {
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--clr-accent-dark);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  margin-top: var(--space-5);
  transition: gap var(--transition-base);
}

.card__link:hover {
  gap: var(--space-3);
}

/* Card feature (numerata) — numero a sx, icona a dx sulla stessa riga */
.card--feature {
  display: flex;
  flex-direction: column;
}

/* Riga superiore: numero + icona allineati */
.card__feature-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.card--feature .card__number {
  font-size: var(--text-5xl);
  font-weight: var(--weight-black);
  line-height: 1;
  color: var(--clr-border);
  transition: color var(--transition-base);
  margin-bottom: 0; /* gestito da card__feature-header */
}

.card--feature:hover .card__number {
  color: var(--clr-accent);
}

/* Nell'header della card l'icona non ha margine inferiore */
.card__feature-header .card__icon {
  margin-bottom: 0;
  flex-shrink: 0;
}

/* Card team */
.card--team {
  text-align: center;
  padding: var(--space-10);
}

.card--team .avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-5);
  overflow: hidden;
  box-shadow: 0 0 0 3px var(--clr-white),
              0 0 0 5px var(--clr-border);
}

.card--team .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.card--team .role {
  display: block;
  color: var(--clr-accent);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.card--team .bio {
  color: var(--clr-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.card--team .social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.card--team .social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  transition: all var(--transition-base);
}

.card--team .social-link:hover {
  background: var(--clr-navy);
  color: var(--clr-white);
  border-color: var(--clr-navy);
}

/* Card testimonianza */
.card--testimonial {
  background: var(--clr-navy);
  color: var(--clr-white);
  border-color: var(--clr-navy-mid);
}

.card--testimonial::before {
  background: linear-gradient(90deg, var(--clr-accent), transparent);
}

.card--testimonial h3 {
  color: var(--clr-white);
}

.card--testimonial .quote {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-6);
  font-style: italic;
}

.card--testimonial .quote-mark {
  font-size: var(--text-5xl);
  color: var(--clr-accent);
  line-height: 0.8;
  display: block;
  margin-bottom: var(--space-3);
}

.card--testimonial .author-name {
  font-weight: var(--weight-semibold);
  color: var(--clr-white);
}

.card--testimonial .author-role {
  font-size: var(--text-sm);
  color: var(--clr-text-light);
}

/* Quick nav servizi (servizi.html) */
.services-quicknav-bar {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-white);
}

@media (max-width: 768px) {
  .services-quicknav-bar {
    padding-block: var(--space-4);
  }
}

.services-quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  align-items: flex-start;
}

.sqn-badge {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.sqn-badge:hover {
  background: rgba(10,37,64,0.14);
}

@media (max-width: 768px) {
  .services-quicknav {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    gap: var(--space-2);
    /* nasconde la scrollbar visivamente ma mantiene la funzionalità */
    scrollbar-width: none;
    -ms-overflow-style: none;
    /* padding laterale per non tagliare la prima/ultima badge */
    padding-inline: var(--space-2);
  }
  .services-quicknav::-webkit-scrollbar { display: none; }
  .sqn-badge {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
  }
}

/* Chevron FAQ inline (contatti.html — usa <details> con stile inline) */
[data-accordion] details[open] summary svg,
.faq-list details[open] summary svg {
  transform: rotate(180deg);
}

/* Principi di lavoro (versione temporanea della sezione testimonianze) */
.card--testimonial .principle-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--clr-white);
  margin-bottom: var(--space-4);
}

.card--testimonial .principle-label {
  font-size: 0.8rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--clr-accent);
}

.card--testimonial .quote {
  font-style: normal;
}

/* ============================================================
   7. COMPONENTI — Badge / Tag / Pill
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.03em;
}

.badge--accent {
  background: var(--clr-accent-pale);
  color: var(--clr-accent-dark);
}

.badge--navy {
  background: rgba(10,37,64,0.08);
  color: var(--clr-navy);
}

.badge--white {
  background: rgba(255,255,255,0.15);
  color: var(--clr-white);
}

/* Tags tech */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.tag {
  padding: var(--space-1) var(--space-3);
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
}

/* ============================================================
   8. COMPONENTI — Header / Navigazione  (redesign moderno)
   ============================================================ */

/* Barra sottilissima in cima — gradiente accent */
.header-top-bar {
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent) 0%, var(--clr-navy-light) 60%, transparent 100%);
}

.site-header {
  /* position: fixed garantisce che l'header rimanga in cima
     indipendentemente da overflow-x su qualsiasi antenato */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(209,220,232,0.6);
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 1px 0 rgba(10,37,64,0.06), 0 4px 20px rgba(10,37,64,0.08);
  border-color: var(--clr-border);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* ---- Logo ---- */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}

.site-logo:hover { opacity: 0.85; }

.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--clr-navy);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(10,37,64,0.25);
  flex-shrink: 0;
}

/* Riflesso luminoso in alto a destra */
.logo-mark::before {
  content: '';
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--weight-black);
  color: var(--clr-navy);
  letter-spacing: -0.03em;
  line-height: 1;
}

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

.logo-tagline {
  font-size: 9px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-light);
  margin-top: 3px;
}

/* ---- Nav principale — pill active ---- */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: 4px;
}

.nav-link {
  padding: 6px var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--clr-text-muted);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--clr-navy);
  background: rgba(255,255,255,0.8);
}

/* Stato attivo: pill piena */
.nav-link.active {
  background: var(--clr-navy);
  color: var(--clr-white);
  font-weight: var(--weight-semibold);
  box-shadow: 0 1px 4px rgba(10,37,64,0.25);
}

/* Rimuovi il vecchio underline */
.nav-link.active::after { display: none; }

/* ---- Destra header: social + divider + CTA ---- */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Icona social (LinkedIn) */
.header-social {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  transition: all var(--transition-fast);
}

.header-social:hover {
  background: var(--clr-navy);
  border-color: var(--clr-navy);
  color: var(--clr-white);
}

/* Divisore verticale tra social e CTA */
.header-divider {
  display: block;
  width: 1px;
  height: 20px;
  background: var(--clr-border);
}

/* Pulsante CTA più raffinato */
.header-cta .btn--primary {
  background: var(--clr-navy);
  border-color: var(--clr-navy);
  color: var(--clr-white);
  padding: 7px var(--space-5);
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  box-shadow: 0 1px 4px rgba(10,37,64,0.2);
}

.header-cta .btn--primary:hover {
  background: var(--clr-navy-mid);
  border-color: var(--clr-navy-mid);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(10,37,64,0.25);
}

/* Accent dot pulsante sul CTA */
.btn-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
  flex-shrink: 0;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

/* ---- Contact CTA dropdown ---- */
.contact-cta-wrapper {
  position: relative;
  flex-shrink: 0;
}

.contact-cta-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.cta-chevron {
  transition: transform 0.2s var(--ease-spring);
  flex-shrink: 0;
  margin-left: 1px;
  opacity: 0.7;
}

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

.contact-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 268px;
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3);
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s var(--ease-spring), transform 0.22s var(--ease-spring);
  z-index: 300;
  transform-origin: top right;
}

.contact-dropdown.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.cd-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--clr-text);
  transition: background var(--transition-fast);
}

.cd-item:hover {
  background: var(--clr-bg-alt);
}

.cd-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--clr-accent-pale);
  color: var(--clr-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cd-body {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.cd-body strong {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-navy);
  line-height: 1.3;
}

.cd-body span {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
}

.cd-sep {
  height: 1px;
  background: var(--clr-border);
  margin: var(--space-2) var(--space-1);
}

.cd-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--clr-navy);
  color: var(--clr-white);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.cd-cta:hover {
  background: var(--clr-navy-mid);
  transform: translateY(-1px);
}

/* ---- Mobile nav contact footer ---- */
.mobile-nav-contact {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--clr-border);
}

.mnc-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--clr-text-muted);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mnc-item:hover {
  background: var(--clr-bg-alt);
  color: var(--clr-text);
}

.mnc-item svg {
  flex-shrink: 0;
  color: var(--clr-accent);
}

.mnc-cta {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-3);
  border-radius: var(--radius-full) !important;
}

/* ---- Hamburger mobile ---- */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-border);
  cursor: pointer;
  background: none;
  z-index: 200;
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--clr-bg-alt);
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--clr-navy);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   9. COMPONENTI — Footer
   ============================================================ */
.site-footer {
  background: var(--clr-navy);
  color: rgba(255,255,255,0.75);
}

.footer-main {
  padding-block: var(--space-16);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-brand .logo-text {
  color: var(--clr-white);
  margin-bottom: var(--space-4);
  display: block;
  font-size: var(--text-2xl);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  max-width: 30ch;
}

.footer-col h4 {
  color: var(--clr-white);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-col a:hover {
  color: var(--clr-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--clr-accent);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6) !important;
  transition: all var(--transition-base) !important;
}

.footer-social a:hover {
  background: var(--clr-accent) !important;
  border-color: var(--clr-accent) !important;
  color: var(--clr-navy) !important;
}

/* ============================================================
   10. COMPONENTI — Hero (layout a due colonne)
   ============================================================ */
.hero {
  background: var(--clr-navy);
  /* Con header fixed il body ha padding-top, quindi l'altezza
     visiva è già corretta: 100svh - padding-top del body */
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-block: var(--space-20);
}

/* Griglia geometrica di sfondo */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,164,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,164,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Gradiente blur accent a destra (ora dietro il visivo) */
.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -80px;
  transform: translateY(-50%);
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(0,212,164,0.10) 0%, transparent 65%);
  pointer-events: none;
}

/* Griglia a 2 colonne: testo | visivo */
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  width: 100%;
}

.hero-content { /* colonna sinistra */ }

.hero .label {
  margin-bottom: var(--space-5);
  color: var(--clr-accent);
}

.hero .heading-display {
  color: var(--clr-white);
  margin-bottom: var(--space-6);
}

.hero .heading-display .accent {
  color: var(--clr-accent);
}

.hero .lead {
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-8);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

/* Trust indicators */
.hero-trust {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.trust-item .icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}

.trust-item span {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
}

/* ---- Integration Hub (colonna destra hero) ---- */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.integration-hub {
  position: relative;
  width: 340px;
  height: 340px;
  flex-shrink: 0;
}

/* Cerchio tratteggiato orbit */
.hub-orbit {
  position: absolute;
  inset: 20px;
  border-radius: var(--radius-full);
  border: 1px dashed rgba(0,212,164,0.2);
  animation: orbit-spin 40s linear infinite;
}

@keyframes orbit-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Nodo centrale GRIDTech */
.hub-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 84px;
  height: 84px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-dark) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  box-shadow:
    0 0 0 8px rgba(0,212,164,0.08),
    0 0 0 16px rgba(0,212,164,0.04),
    0 8px 24px rgba(0,212,164,0.35);
  z-index: 2;
}

/* Pulse lento sul nodo centrale */
.hub-center::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,212,164,0.25);
  animation: hub-pulse 2.5s ease-in-out infinite;
}

@keyframes hub-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.06); opacity: 0.5; }
}

.hub-center-text {
  font-size: 10px;
  font-weight: var(--weight-black);
  letter-spacing: 0.04em;
  color: var(--clr-navy);
  line-height: 1;
}

.hub-center-sub {
  font-size: 7px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(10,37,64,0.65);
}

/* Linee SVG di connessione */
.hub-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hub-line {
  stroke: rgba(0,212,164,0.2);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  animation: line-dash 3s linear infinite;
}

@keyframes line-dash {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -24; }
}

/* Nodi tech intorno all'hub */
.hub-node {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
  z-index: 2;
}

.hub-node:hover {
  background: rgba(0,212,164,0.12);
  border-color: rgba(0,212,164,0.4);
  transform: scale(1.08);
}

.hub-node-label {
  font-size: 9px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
}

.hub-node-dot {
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
}

/* Posizioni 5 nodi su cerchio raggio ~130px, centro (170,170) */
/* θ=0° WMS top, poi +72° in senso orario */
.hub-node--wms   { top:  4px;  left: 144px; } /* 0°   */
.hub-node--tms   { top: 95px;  right:  4px; } /* 72°  */
.hub-node--erp   { bottom: 20px; right: 38px; } /* 144° */
.hub-node--mes   { bottom: 20px; left: 38px;  } /* 216° */
.hub-node--scada { top: 95px;  left:  4px;  } /* 288° */

/* Animazione stagger entrata nodi */
.hub-node { animation: node-in 0.5s ease both; }
.hub-node--wms   { animation-delay: 0.1s; }
.hub-node--tms   { animation-delay: 0.2s; }
.hub-node--erp   { animation-delay: 0.3s; }
.hub-node--mes   { animation-delay: 0.4s; }
.hub-node--scada { animation-delay: 0.5s; }

@keyframes node-in {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

/* Badge "live" in basso a destra dell'hub */
.hub-status {
  position: absolute;
  bottom: -8px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(10,37,64,0.9);
  border: 1px solid rgba(0,212,164,0.3);
  border-radius: var(--radius-full);
  padding: 5px 10px;
  font-size: 10px;
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.8);
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.hub-status-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ============================================================
   11. COMPONENTI — Settori (blocchi verticali)
   ============================================================ */
.sector-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.sector-block + .sector-block {
  margin-top: var(--space-8);
}

.sector-visual {
  position: relative;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-10);
  background: var(--clr-navy);
  overflow: hidden;
}

/* ---- Widget decorativo nel settore visual (homepage) ---- */
.sector-visual-widget {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.svw-pipeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.svw-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.svw-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  border: 2px solid rgba(255,255,255,0.45);
  flex-shrink: 0;
}

.svw-dot--accent {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  box-shadow: 0 0 10px rgba(0,212,164,0.55);
  width: 12px;
  height: 12px;
}

.svw-step span {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.svw-step--center span {
  color: var(--clr-accent);
  font-weight: var(--weight-semibold);
}

.svw-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.25), rgba(255,255,255,0.1));
  min-width: var(--space-4);
  margin-top: 5px; /* allinea con il centro del dot */
}

.svw-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.svw-tag {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-full);
  padding: 3px var(--space-3);
}

.svw-tag--accent {
  color: var(--clr-accent);
  background: rgba(0,212,164,0.12);
  border-color: rgba(0,212,164,0.3);
}

.sector-visual--logistics {
  background: linear-gradient(135deg, #0A2540 0%, #1B3A5C 60%, #0D3348 100%);
}

.sector-visual--manufacturing {
  background: linear-gradient(135deg, #1B1B2F 0%, #2C2C54 60%, #1a2a4a 100%);
}

.sector-visual .bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-size: 40px 40px;
  background-image:
    linear-gradient(var(--clr-accent) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-accent) 1px, transparent 1px);
}

.sector-visual .sector-icon-big {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  width: 80px;
  height: 80px;
  opacity: 0.12;
  color: var(--clr-accent);
}

.sector-visual-content {
  position: relative;
  z-index: 1;
}

.sector-visual .sector-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-3);
}

.sector-visual h3 {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  color: var(--clr-white);
  margin-bottom: var(--space-4);
}

.sector-visual .sector-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,212,164,0.15);
  border: 1px solid rgba(0,212,164,0.3);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--clr-accent);
}

.sector-content {
  background: var(--clr-white);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sector-content h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clr-text-muted);
  margin-bottom: var(--space-4);
}

.problem-list, .solution-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.problem-item, .solution-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
}

.problem-item .dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--clr-error);
  flex-shrink: 0;
  margin-top: 0.45em;
}

.solution-item .dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
  flex-shrink: 0;
  margin-top: 0.45em;
}

/* ============================================================
   12. COMPONENTI — Pillar / "Perché GRIDTech"
   ============================================================ */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.pillar-item {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  transition: all var(--transition-base);
}

.pillar-item:hover {
  border-color: rgba(0,212,164,0.4);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--clr-accent-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent-dark);
  flex-shrink: 0;
  transition: all var(--transition-base);
}

.pillar-item:hover .pillar-icon {
  background: var(--clr-accent);
  color: var(--clr-navy);
}

.pillar-text h3 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.pillar-text p {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: 1.65;
}

/* ============================================================
   13. COMPONENTI — Timeline
   ============================================================ */
.timeline {
  position: relative;
  padding-left: var(--space-10);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent), var(--clr-navy-light));
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-10) + 8px);
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
  border: 3px solid var(--clr-white);
  box-shadow: 0 0 0 2px var(--clr-accent);
}

.timeline-date {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-2);
}

.timeline-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--clr-navy);
  margin-bottom: var(--space-2);
}

.timeline-desc {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: 1.65;
}

/* ============================================================
   14. COMPONENTI — Form
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--clr-text);
}

.form-group .required {
  color: var(--clr-error);
  margin-left: var(--space-1);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-white);
  color: var(--clr-text);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  line-height: 1.5;
}

.form-control:hover {
  border-color: var(--clr-navy-light);
}

.form-control:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(0,212,164,0.15);
  outline: none;
}

.form-control::placeholder {
  color: var(--clr-text-light);
}

.form-control.error {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

.field-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--clr-error);
  margin-top: var(--space-1);
}

.field-error.visible {
  display: block;
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A7184' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: var(--space-10);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--clr-text-light);
}

.form-success {
  display: none;
  padding: var(--space-5);
  background: rgba(0,212,164,0.1);
  border: 1px solid var(--clr-accent);
  border-radius: var(--radius-lg);
  color: var(--clr-accent-dark);
  font-weight: var(--weight-medium);
  text-align: center;
}

.form-success.visible {
  display: block;
}

/* ============================================================
   15. COMPONENTI — CTA Banner
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-navy-mid) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,164,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,164,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,212,164,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  color: var(--clr-white);
  margin-bottom: var(--space-4);
}

.cta-banner p {
  color: rgba(255,255,255,0.7);
  max-width: 55ch;
  margin: 0 auto var(--space-8);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

/* ============================================================
   16. COMPONENTI — Divider decorativo
   ============================================================ */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), transparent);
  border-radius: var(--radius-full);
  margin: var(--space-5) 0;
}

.divider--center {
  margin-inline: auto;
}

/* ============================================================
   17. COMPONENTI — Info box / Highlight
   ============================================================ */
.info-box {
  background: var(--clr-accent-pale);
  border: 1px solid rgba(0,212,164,0.3);
  border-left: 4px solid var(--clr-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.info-box p {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
}

.info-box strong {
  color: var(--clr-navy);
}

/* ============================================================
   18. COMPONENTI — Breadcrumb
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: var(--space-8);
}

.breadcrumb a, .breadcrumb span {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
}

.breadcrumb a:hover {
  color: var(--clr-navy);
}

.breadcrumb .sep {
  color: var(--clr-border);
}

.breadcrumb .current {
  color: var(--clr-navy);
  font-weight: var(--weight-medium);
}

/* ============================================================
   19. COMPONENTI — Page Hero (pagine interne)
   ============================================================ */
.page-hero {
  background: var(--clr-navy);
  padding-block: var(--space-20);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,164,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,164,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.page-hero .label {
  margin-bottom: var(--space-4);
}

.page-hero h1 {
  color: var(--clr-white);
  margin-bottom: var(--space-5);
}

.page-hero .lead {
  color: rgba(255,255,255,0.75);
}

/* ============================================================
   20. ANIMAZIONI / SCROLL — Progressive Enhancement
   ============================================================ */

/* Transizione base per tutti gli elementi animati */
[data-animate] {
  transition:
    opacity  0.65s var(--ease-spring),
    transform 0.65s var(--ease-spring);
}

/* Lo stato invisibile viene applicato SOLO quando JS ha aggiunto
   la classe 'js-ready' su <html> e l'elemento NON ha ancora 'in-view'.
   In questo modo: se JS non gira → elementi sempre visibili (no flash). */
.js-ready [data-animate]:not(.in-view) {
  opacity: 0;
  transform: translateY(20px);
}
.js-ready [data-animate="left"]:not(.in-view)  { transform: translateX(-20px); }
.js-ready [data-animate="right"]:not(.in-view) { transform: translateX(20px);  }
.js-ready [data-animate="scale"]:not(.in-view) { transform: scale(0.96);       }

/* Stato visibile (aggiunto da JS via IntersectionObserver) */
[data-animate].in-view {
  opacity: 1 !important;
  transform: none !important;
}

/* ── Delay staggering per liste di card ── */
[data-animate-delay="1"] { transition-delay: 0.07s; }
[data-animate-delay="2"] { transition-delay: 0.14s; }
[data-animate-delay="3"] { transition-delay: 0.21s; }
[data-animate-delay="4"] { transition-delay: 0.28s; }
[data-animate-delay="5"] { transition-delay: 0.35s; }
[data-animate-delay="6"] { transition-delay: 0.42s; }

/* ── Stagger interno alle challenge-paired-grid ──────────────────
   Quando il contenitore riceve .in-view, ogni coppia di card
   (riga 1, 2, 3 …) entra con un ritardo crescente di ~80 ms.
   Le card sono i figli dalla posizione 3 in poi (1 e 2 = headers).
   ──────────────────────────────────────────────────────────────── */
.js-ready .challenge-paired-grid:not(.in-view) .challenge-card {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity  0.55s var(--ease-spring),
    transform 0.55s var(--ease-spring);
}

.challenge-paired-grid.in-view .challenge-card {
  opacity: 1;
  transform: none;
}

/* Riga 1 */
.challenge-paired-grid.in-view .challenge-card:nth-child(3),
.challenge-paired-grid.in-view .challenge-card:nth-child(4)  { transition-delay: 0.05s; }
/* Riga 2 */
.challenge-paired-grid.in-view .challenge-card:nth-child(5),
.challenge-paired-grid.in-view .challenge-card:nth-child(6)  { transition-delay: 0.13s; }
/* Riga 3 */
.challenge-paired-grid.in-view .challenge-card:nth-child(7),
.challenge-paired-grid.in-view .challenge-card:nth-child(8)  { transition-delay: 0.21s; }
/* Riga 4 */
.challenge-paired-grid.in-view .challenge-card:nth-child(9),
.challenge-paired-grid.in-view .challenge-card:nth-child(10) { transition-delay: 0.29s; }
/* Riga 5 */
.challenge-paired-grid.in-view .challenge-card:nth-child(11),
.challenge-paired-grid.in-view .challenge-card:nth-child(12) { transition-delay: 0.37s; }

/* ============================================================
   20b. SCROLL-TO-TOP BUTTON
   ============================================================ */
.scroll-top-btn {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--clr-navy);
  color: var(--clr-white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(10,37,64,0.25);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base),
              background var(--transition-fast), box-shadow var(--transition-fast);
}

.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top-btn:hover {
  background: var(--clr-accent);
  color: var(--clr-navy);
  box-shadow: var(--shadow-accent);
}

.scroll-top-btn:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
}

/* ============================================================
   21. PAGINA — Servizi (dettaglio)
   ============================================================ */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
  padding-block: var(--space-20);
}

.service-detail + .service-detail {
  border-top: 1px solid var(--clr-border);
}

.service-detail:nth-child(even) .service-detail__text {
  order: 2;
}

.service-detail:nth-child(even) .service-detail__visual {
  order: 1;
}

.service-detail__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--clr-accent-pale);
  color: var(--clr-accent-dark);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.service-detail h2 {
  margin-bottom: var(--space-4);
}

.service-detail .lead {
  margin-bottom: var(--space-6);
}

.service-detail ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.service-detail ul li {
  /* padding-left riserva spazio fisso per il bullet;
     il testo si incapsula nella colonna rimanente e va
     a capo restando allineato — no sfasamento */
  position: relative;
  padding-left: 1.1rem;
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  line-height: 1.65;
}

.service-detail ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
}

.service-detail__visual {
  background: linear-gradient(135deg, var(--clr-navy) 0%, var(--clr-navy-mid) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  /* Icona in alto, contenuto al centro (flex: 1), titolo/sub in basso */
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
  align-self: start;
  overflow: hidden;
}

.service-detail__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,164,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,164,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

/* Icona decorativa in alto a destra, più piccola */
.service-detail__visual .visual-icon {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  color: var(--clr-accent);
  opacity: 0.45;
}

/* L'area di contenuto arricchito occupa tutto lo spazio centrale,
   scende sotto l'icona assoluta in alto a destra */
.visual-process,
.visual-nodes,
.visual-compare {
  flex: 1;
  position: relative;
  z-index: 1;
  margin-top: calc(var(--space-8) + 44px); /* spazio sotto l'icona (44px height) */
  margin-bottom: var(--space-4);
}

/* Bordo separatore sopra il footer (titolo + sub) */
.service-detail__visual .visual-footer {
  position: relative;
  z-index: 1;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.service-detail__visual .visual-title {
  color: var(--clr-white);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
}

.service-detail__visual .visual-sub {
  color: rgba(255,255,255,0.5);
  font-size: var(--text-xs);
}

/* ============================================================
   22. PAGINA — Contatti
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info h3 {
  margin-bottom: var(--space-5);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}

.contact-detail .icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--clr-accent-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent-dark);
  flex-shrink: 0;
}

.contact-detail .detail-text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-navy);
  margin-bottom: var(--space-1);
}

.contact-detail .detail-text span,
.contact-detail .detail-text a {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  transition: color var(--transition-fast);
}

.contact-detail .detail-text a:hover {
  color: var(--clr-accent-dark);
}

/* Form contatti */
.contact-form-wrapper {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h3 {
  margin-bottom: var(--space-2);
}

.contact-form-wrapper .form-intro {
  color: var(--clr-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
}

/* ============================================================
   22b. COMPONENTI — Challenge Paired Grid (settori.html)
   Griglia che affianca problema + soluzione sulla stessa riga,
   garantendo allineamento visivo tra le due colonne.
   ============================================================ */
.challenge-paired-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  column-gap: var(--space-6);
}

.challenge-col-header {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--clr-border);
  margin-bottom: var(--space-2);
}

.challenge-col-header--dark {
  color: rgba(255,255,255,0.45);
  border-bottom-color: rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
  .challenge-paired-grid {
    grid-template-columns: 1fr;
  }
  /* Su mobile nasconde i secondi header (uno sopra l'altro fa confusione) */
  .challenge-col-header:nth-child(2) { display: none; }
}

/* ============================================================
   23. COMPONENTI — Smart header nasconde/mostra su scroll
   ============================================================ */
.site-header.header--hidden {
  transform: translateY(-100%);
}

/* ============================================================
   23b. PAGE HERO SPLIT — layout testo + visuale destra
   ============================================================ */
.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-hero-grid .page-hero-content {
  max-width: none;
}

.page-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ── "At a Glance" card (chi-siamo) ── */
.hero-glance-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 360px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hgc-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  font-weight: var(--weight-bold);
  font-size: var(--text-xl);
  color: var(--clr-white);
  letter-spacing: -0.01em;
}

.hgc-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0,212,164,0.12);
  border: 1px solid rgba(0,212,164,0.3);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--clr-accent);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-6);
}

.hgc-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.hgc-fact {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.hgc-fact__label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.38);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hgc-fact__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-white);
}

.hgc-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  line-height: 1.55;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ── Services overview list (servizi hero) ── */
.hero-services-list {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.hsl-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  text-decoration: none;
  cursor: pointer;
  transition:
    border-color 0.25s ease,
    background 0.25s ease,
    transform 0.3s var(--ease-spring);
}

.hsl-item:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(0,212,164,0.3);
  transform: translateX(3px);
}

.hsl-item__body {
  flex: 1;
  min-width: 0;
}

.hsl-item__arrow {
  color: rgba(255,255,255,0.25);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-spring), color 0.2s ease;
}

.hsl-item:hover .hsl-item__arrow {
  transform: translateX(3px);
  color: var(--clr-accent);
}

.hsl-num {
  font-size: var(--text-xs);
  font-weight: var(--weight-black);
  color: var(--clr-accent);
  min-width: 22px;
  opacity: 0.85;
}

.hsl-item strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-white);
  margin-bottom: 2px;
}

.hsl-item span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.42);
}

/* ── Sectors overview list (settori hero) ── */
.hero-sectors-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  max-width: 400px;
}

.hsl-sector {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  text-decoration: none;
  transition:
    border-color 0.25s ease,
    background 0.3s var(--ease-spring),
    transform 0.3s var(--ease-spring);
}

.hsl-sector:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(0,212,164,0.4);
  transform: translateX(4px);
}

.hsl-sector__icon {
  width: 44px;
  height: 44px;
  background: rgba(0,212,164,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-accent);
}

.hsl-sector strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--clr-white);
  margin-bottom: 2px;
}

.hsl-sector span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.42);
}

.hsl-arrow {
  margin-left: auto;
  color: rgba(255,255,255,0.3);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-spring), color 0.2s ease;
}

.hsl-sector:hover .hsl-arrow {
  transform: translateX(4px);
  color: var(--clr-accent);
}

/* ── Chi siamo — griglia team (2 card fondatori) ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 380px));
  gap: var(--space-6);
  justify-content: center;
}

/* ── Chi siamo — griglia intro (testo | card dati aziendali) ── */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* ── Sector intro grid (settori Verticale 01/02) ── */
.sector-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-bottom: var(--space-16);
}

/* ── Sector metric card ── */
.sector-metric-card {
  background: rgba(0,212,164,0.03);
  border: 1px solid rgba(0,212,164,0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
}

.sector-metric-card--dark {
  background: rgba(255,255,255,0.03);
  border-color: rgba(255,255,255,0.1);
}

.smc-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-5);
}

.smc-metrics {
  display: flex;
  flex-direction: column;
}

.smc-metric {
  display: flex;
  align-items: flex-start;   /* icona allineata in alto, accanto al numero */
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-bottom: 1px solid rgba(0,212,164,0.08);
}

.smc-metric:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sector-metric-card--dark .smc-metric {
  border-bottom-color: rgba(255,255,255,0.06);
}

.smc-metric__icon {
  width: 30px;
  height: 30px;
  background: rgba(0,212,164,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--clr-accent);
  /* Allineato verticalmente col numero (che ha line-height ~1.1) */
  margin-top: 1px;
}

.smc-metric__body { flex: 1; min-width: 0; }

/* Numero prima — grande e leggibile subito */
.smc-metric__value {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--clr-navy);
  line-height: 1.1;
  margin-bottom: 2px;
}

/* Descrizione sotto — didascalia compatta */
.smc-metric__label {
  font-size: var(--text-xs);
  color: var(--clr-text-muted);
  line-height: 1.45;
}

.sector-metric-card--dark .smc-metric__value { color: rgba(255,255,255,0.92); }
.sector-metric-card--dark .smc-metric__label { color: rgba(255,255,255,0.45); }

/* ── Service visual: process steps ── */
.visual-process {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-6);
  width: 100%;
  position: relative;
  z-index: 1;
}

.vp-step {
  display: flex;
  align-items: center;   /* centrato verticalmente — aspetto più pulito */
  gap: var(--space-3);
  padding-bottom: var(--space-3);
}

.vp-step:last-child { padding-bottom: 0; }

.vp-step__dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,212,164,0.1);
  border: 1.5px solid rgba(0,212,164,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 9px;
  font-weight: var(--weight-bold);
  color: var(--clr-accent);
  position: relative;
}

.vp-step:not(:last-child) .vp-step__dot::after {
  content: '';
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: calc(var(--space-3) + 14px);
  background: linear-gradient(to bottom, rgba(0,212,164,0.25), rgba(0,212,164,0.03));
}

.vp-step__content { flex: 1; min-width: 0; }

.vp-step__title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Descrizioni nascoste nel pannello visivo — troppo testo nello spazio compatto */
.vp-step__desc { display: none; }

/* ── Service visual: integration nodes ── */
.visual-nodes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-6);
  width: 100%;
  position: relative;
  z-index: 1;
}

.vn-node {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  color: rgba(255,255,255,0.65);
  text-align: center;
  letter-spacing: 0.03em;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.vn-node--center {
  grid-column: 1 / -1;
  background: rgba(0,212,164,0.1);
  border-color: rgba(0,212,164,0.28);
  color: var(--clr-accent);
  font-size: 11px;
  letter-spacing: 0.04em;
}

/* ── Service visual: before/after compare ── */
.visual-compare {
  display: flex;
  align-items: stretch;
  gap: var(--space-3);
  margin-top: var(--space-6);
  width: 100%;
  position: relative;
  z-index: 1;
}

.vc-col {
  flex: 1;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.vc-col--before {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.15);
}

.vc-col--after {
  background: rgba(0,212,164,0.06);
  border: 1px solid rgba(0,212,164,0.2);
}

.vc-label {
  font-size: 10px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.vc-col--before .vc-label { color: #ef4444; }
.vc-col--after  .vc-label { color: var(--clr-accent); }

.vc-item {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  line-height: 1.4;
}

.vc-item:last-child { border-bottom: none; }

.vc-arrow {
  display: flex;
  align-items: center;
  color: rgba(255,255,255,0.2);
  flex-shrink: 0;
  font-size: var(--text-lg);
}

/* ============================================================
   23c. RESPONSIVE — Tablet (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --space-20: 4rem;
    --space-16: 3.5rem;
  }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }

  .sector-block {
    grid-template-columns: 1fr;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    padding-block: var(--space-12);
  }

  .service-detail:nth-child(even) .service-detail__text { order: 1; }
  .service-detail:nth-child(even) .service-detail__visual { order: 2; }

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

  /* Chi siamo — team grid e intro grid */
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  /* Sector intro grid */
  .sector-intro-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .sector-metric-card {
    position: static;
  }

  /* Page hero split */
  .page-hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .page-hero-visual {
    justify-content: flex-start;
  }
}

/* ============================================================
   23b. MOBILE NAV BACKDROP
   Overlay scuro creato via JS quando il menu mobile è aperto.
   Posizionato sotto la nav (z-index 149) e sopra il contenuto.
   ============================================================ */
.mobile-nav-backdrop {
  position: fixed;
  inset: 0;
  top: var(--header-h);
  background: rgba(10,37,64,0.45);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 149;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.mobile-nav-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   24. RESPONSIVE — Mobile (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --space-20: 3.5rem;
    --space-16: 3rem;
    --space-12: 2.5rem;
    --header-h: 64px;
  }

  .container {
    padding-inline: var(--space-5);
  }

  /* Navigazione mobile */
  .nav-toggle {
    display: flex;
  }

  /* Nasconde il testo tagline del logo su mobile piccolo per guadagnare spazio */
  .logo-tagline {
    display: none;
  }

  /* Nasconde CTA "Parla con noi" nell'header su mobile
     (il contatto è accessibile dal menu hamburger) */
  .contact-cta-wrapper {
    display: none;
  }

  .header-social,
  .header-divider {
    display: none;
  }

  /* La nav viene mossa nel <body> via JS all'apertura per sfuggire
     al containing block creato da backdrop-filter sull'header.
     Di default è nascosta con visibility/opacity per permettere
     la transizione di chiusura. */
  .main-nav {
    /* Layout mobile — colonna verticale */
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);

    /* Posizionamento fisso sotto l'header */
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;

    /* Visual */
    background: var(--clr-white);
    padding: var(--space-5);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: 0 16px 48px rgba(10,37,64,0.14);
    overflow-y: auto;
    max-height: calc(100dvh - var(--header-h) - var(--space-4));
    z-index: 150;

    /* Reset stili pill desktop */
    background-clip: unset;

    /* Stato chiuso: invisibile e traslato leggermente in su */
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    visibility: hidden;
    transition:
      opacity 0.2s ease,
      transform 0.28s var(--ease-spring),
      visibility 0s 0.2s;
  }

  /* Stato aperto: visibile con animazione */
  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
    transition:
      opacity 0.2s ease,
      transform 0.28s var(--ease-spring);
  }

  /* Mostra il footer contatti dentro il menu aperto */
  .main-nav.open .mobile-nav-contact {
    display: flex;
  }

  .main-nav .nav-link {
    width: 100%;
    font-size: var(--text-lg);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
  }

  .main-nav .nav-link.active {
    border-radius: var(--radius-lg);
  }

  /* Grid */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

  /* Hero */
  .hero {
    min-height: auto;
    padding-block: var(--space-16) var(--space-12);
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .hero-visual { display: none; } /* nasconde il visivo su mobile */

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

  .hero-trust {
    gap: var(--space-3);
  }

  /* Footer */
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* CTA banner */
  .cta-banner {
    padding: var(--space-10) var(--space-6);
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  /* Timeline */
  .timeline {
    padding-left: var(--space-8);
  }

  /* Sector */
  .sector-visual {
    min-height: 300px;
  }

  /* Contact */
  .contact-form-wrapper {
    padding: var(--space-6);
  }

  /* Page hero split — visuale nascosto su mobile, solo testo */
  .page-hero-visual {
    display: none;
  }

  /* Padding ridotto su mobile: la colonna visuale è nascosta,
     non serve tutto lo spazio che serve su desktop */
  .page-hero {
    padding-block: var(--space-10);
  }

  /* Griglia decorativa disabilitata su mobile:
     su schermi piccoli il ::before può sfondare il contenitore */
  .page-hero::before {
    display: none;
  }

  /* Page hero typography */
  .page-hero h1 {
    font-size: clamp(1.75rem, 8vw, 2.5rem);
  }

  /* Sector intro */
  .sector-intro-grid {
    grid-template-columns: 1fr;
  }

  .sector-metric-card {
    position: static;
  }

  /* Service visual sticky → relative on mobile */
  .service-detail__visual {
    position: relative;
    min-height: 280px;
  }

  /* KPI strip */
  .kpi-strip {
    grid-template-columns: 1fr !important;
  }

  /* Headings scale */
  .heading-1 { font-size: clamp(1.8rem, 9vw, 2.8rem); }
  .heading-2 { font-size: clamp(1.4rem, 6vw, 2rem); }

  /* Section spacing */
  .section {
    padding-block: var(--space-12);
  }

  /* Sector full */
  .sector-full {
    padding-block: var(--space-16) !important;
  }
}

/* ============================================================
   25. RESPONSIVE — Small mobile (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .btn--lg {
    width: 100%;
    justify-content: center;
  }

  .card {
    padding: var(--space-6);
  }
}

/* ============================================================
   26. COMPONENTI — FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-xl);
  background: var(--clr-white);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 20px rgba(0,212,164,0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--clr-navy);
  list-style: none;
  user-select: none;
  transition: color 0.15s ease;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question:hover { color: var(--clr-accent-dark); }

.faq-chevron {
  flex-shrink: 0;
  color: var(--clr-accent);
  transition: transform 0.25s var(--ease-spring);
}

.faq-item[open] .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--clr-text-muted);
  line-height: 1.75;
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-4);
  margin: 0 var(--space-6);
  margin-top: 0;
}

.faq-item[open] .faq-answer { border-top-color: rgba(0,212,164,0.2); }

.faq-answer p { margin: 0; }

/* Pagina legal ------------------------------------------------ */
.legal-hero {
  background: var(--clr-navy);
  color: var(--clr-white);
  padding-block: var(--space-16) var(--space-12);
}

.legal-hero .label { color: var(--clr-accent); }
.legal-hero h1 { color: var(--clr-white); margin-top: var(--space-3); }
.legal-hero p { color: rgba(255,255,255,0.65); margin-top: var(--space-4); max-width: 560px; }

.legal-toc {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.legal-toc a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: all 0.2s ease;
}

.legal-toc a:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(0,212,164,0.06);
}

.legal-body {
  max-width: 740px;
  margin-inline: auto;
  padding-block: var(--space-16);
}

.legal-section {
  padding-block: var(--space-12);
  border-bottom: 1px solid var(--clr-border);
}

.legal-section:last-child { border-bottom: none; }

.legal-section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent-dark);
  background: var(--clr-accent-pale);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.legal-section h2 {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--clr-navy);
  margin-bottom: var(--space-6);
  scroll-margin-top: calc(var(--header-h) + var(--space-6));
}

.legal-section h3 {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--clr-navy);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-section p {
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.legal-section ul {
  color: var(--clr-text-muted);
  line-height: 1.8;
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}

.legal-section ul li { margin-bottom: var(--space-2); }

.legal-info-box {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-block: var(--space-6);
}

.legal-info-box p {
  margin: 0;
  color: var(--clr-text);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.legal-info-box strong { color: var(--clr-navy); }

.legal-updated {
  font-size: var(--text-xs);
  color: var(--clr-text-light);
  margin-top: var(--space-2);
  display: block;
}

/* ============================================================
   27. UTILITIES — Visibilità
   ============================================================ */
.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;
}

.hide-mobile {
  display: block;
}

@media (max-width: 768px) {
  .hide-mobile { display: none; }
  .show-mobile { display: block; }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-animate] {
    opacity: 1;
    transform: none;
  }
}