/* =====================================================================
   PROBUM AI — Stylesheet
   Palette: monocromatica scura
   Typography: Manrope (system) + JetBrains Mono (riferimenti normativi)
   ===================================================================== */

/* ---------- Reset minimale ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { 
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #020205;
  background: #ffffff;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; }

/* ---------- Variabili palette ---------- */
:root {
  --c-night:   #111129;  /* blu notte profondo - hero, footer, CTA */
  --c-ink:     #020205;  /* quasi nero - body text */
  --c-white:   #ffffff;
  --c-fog:     #f2f4f7;  /* grigio chiarissimo - sezioni alternate */
  --c-mist:    #d2d9e4;  /* grigio freddo - borders, testo su scuro */
  --c-black:   #000000;

  --space-1: 0.5rem;   /* 8 */
  --space-2: 1rem;     /* 16 */
  --space-3: 1.5rem;   /* 24 */
  --space-4: 2rem;     /* 32 */
  --space-5: 3rem;     /* 48 */
  --space-6: 4rem;     /* 64 */
  --space-7: 6rem;     /* 96 */
  --space-8: 8rem;     /* 128 */

  --max: 1180px;
  --max-narrow: 760px;
}

/* ---------- Layout primitives ---------- */
.container { 
  width: 100%; 
  max-width: var(--max); 
  margin: 0 auto; 
  padding-inline: var(--space-3);
}
.container-narrow { max-width: var(--max-narrow); margin: 0 auto; padding-inline: var(--space-3); }
.section { padding-block: var(--space-7); }
.section-tight { padding-block: var(--space-6); }

@media (min-width: 768px) {
  .container, .container-narrow { padding-inline: var(--space-4); }
  .section { padding-block: var(--space-8); }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { 
  font-weight: 700; 
  letter-spacing: -0.02em; 
  line-height: 1.15; 
  color: var(--c-ink);
}
h1 { font-size: clamp(2rem, 6vw, 3.75rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; letter-spacing: -0.005em; }

p { margin-block: 0.75em; max-width: 70ch; }
p.lead { font-size: 1.125rem; line-height: 1.55; max-width: 60ch; }

ul, ol { padding-left: 1.25em; }
li { margin-block: 0.35em; }
li::marker { color: var(--c-mist); }

a.text-link {
  border-bottom: 1px solid currentColor;
  transition: opacity .2s;
}
a.text-link:hover { opacity: .65; }

/* numeri/articoli normativi - mono */
.mono {
  font-family: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;
  font-size: 0.92em;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-night);
  display: inline-block;
  margin-bottom: var(--space-2);
}

.eyebrow.on-dark { color: var(--c-mist); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-fog);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--space-2);
}
.nav__brand {
  font-weight: 800; font-size: 1.0625rem; letter-spacing: 0.02em;
  color: var(--c-ink);
}
.nav__brand .dot { color: var(--c-night); opacity: 0.4; padding-inline: 0.05em; }
.nav__menu { display: none; gap: var(--space-4); align-items: center; }
.nav__menu a { font-size: 0.9rem; font-weight: 500; transition: opacity .2s; }
.nav__menu a:hover { opacity: .6; }
.nav .nav__cta { display: none; }

@media (min-width: 900px) {
  .nav__menu { display: flex; }
  .nav .nav__cta { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--c-night);
  color: var(--c-white);
  padding-block: var(--space-7) var(--space-7);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: 
    radial-gradient(900px 480px at 78% -10%, rgba(210, 217, 228, 0.06), transparent 60%),
    linear-gradient(180deg, transparent 0%, rgba(2, 2, 5, 0.18) 100%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero h1 { color: var(--c-white); max-width: 18ch; }
.hero p.lead { color: var(--c-mist); max-width: 60ch; margin-top: var(--space-3); font-size: 1.125rem; }
.hero__cta { margin-top: var(--space-5); display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center; }
.hero__signals {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(210, 217, 228, 0.15);
  font-size: 0.85rem;
  color: var(--c-mist);
  letter-spacing: 0.04em;
}
.hero__signals .sep { color: rgba(210, 217, 228, 0.4); margin-inline: 0.6em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.85em 1.6em;
  font-weight: 600; font-size: 0.95rem; letter-spacing: -0.005em;
  border-radius: 2px;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--c-night);
  color: var(--c-white);
}
.btn--primary:hover { background: var(--c-ink); }
.btn--primary-light {
  background: var(--c-white);
  color: var(--c-night);
}
.btn--primary-light:hover { background: var(--c-fog); }
.btn--ghost {
  background: transparent;
  color: var(--c-night);
  border-color: var(--c-night);
}
.btn--ghost:hover { background: var(--c-night); color: var(--c-white); }
.btn--ghost-light {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(210, 217, 228, 0.3);
}
.btn--ghost-light:hover { background: rgba(255,255,255,0.08); border-color: var(--c-mist); }

.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Sezioni alternate ---------- */
.section--alt { background: var(--c-fog); }

.section__head {
  margin-bottom: var(--space-5);
  max-width: 60ch;
}
.section__head h2 { margin-top: var(--space-1); }

/* ---------- Sezione Problema ---------- */
.problem-grid {
  display: grid;
  gap: var(--space-4);
  margin-block: var(--space-5);
}
@media (min-width: 768px) {
  .problem-grid { grid-template-columns: repeat(3, 1fr); }
}
.problem-card {
  background: var(--c-white);
  border: 1px solid var(--c-mist);
  padding: var(--space-4);
}
.section--alt .problem-card { background: var(--c-white); }
.problem-card__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--c-night);
  margin-bottom: var(--space-3);
  display: block;
  font-weight: 500;
}
.problem-card h3 { margin-bottom: var(--space-2); font-size: 1.125rem; }
.problem-card p { font-size: 0.95rem; line-height: 1.55; }
.problem-card .ref {
  display: block;
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--c-fog);
  font-size: 0.78rem;
  color: var(--c-night);
  font-family: 'JetBrains Mono', monospace;
}

/* Box "Cosa rischi" */
.risk-box {
  margin-top: var(--space-6);
  padding: var(--space-5);
  background: var(--c-night);
  color: var(--c-white);
}
.risk-box .eyebrow { color: var(--c-mist); }
.risk-box h3 { color: var(--c-white); margin-bottom: var(--space-3); }
.risk-box p { color: var(--c-mist); max-width: 65ch; }
.risk-box .case-list { 
  margin-top: var(--space-4); 
  padding-top: var(--space-3);
  border-top: 1px solid rgba(210, 217, 228, 0.15);
  list-style: none; 
  padding-left: 0;
}
.risk-box .case-list li {
  padding-left: 1em;
  position: relative;
  margin-block: var(--space-2);
  color: var(--c-mist);
  font-size: 0.95rem;
}
.risk-box .case-list li::before {
  content: '·';
  position: absolute; left: 0;
  color: var(--c-mist);
  font-weight: 700;
}

/* ---------- Sezione Servizi ---------- */
.services-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
@media (min-width: 900px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
}
.service {
  border: 1px solid var(--c-mist);
  background: var(--c-white);
  padding: var(--space-5);
  display: flex; flex-direction: column;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.service:hover { border-color: var(--c-night); transform: translateY(-2px); }
.service--featured {
  border: 1px solid var(--c-night);
  background: var(--c-night);
  color: var(--c-white);
}
.service--featured h3, .service--featured h4 { color: var(--c-white); }
.service--featured .service__price { color: var(--c-mist); }
.service--featured .service__list li { color: var(--c-mist); }
.service--featured .service__list li::before { color: var(--c-mist); }
.service--featured .service__meta { color: var(--c-mist); border-color: rgba(210, 217, 228, 0.2); }
.service__badge {
  position: absolute; top: -12px; left: var(--space-4);
  background: var(--c-night); color: var(--c-white);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.5em 0.9em;
}
.service--featured .service__badge {
  background: var(--c-white); color: var(--c-night);
}
.service__name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: var(--space-2);
  display: block;
}
.service h3 { font-size: 1.5rem; margin-bottom: var(--space-3); letter-spacing: -0.02em; }
.service__price {
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--c-fog);
  color: var(--c-ink);
}
.service--featured .service__price { border-color: rgba(210, 217, 228, 0.2); }
.service__price strong { font-weight: 700; }
.service__desc { font-size: 0.95rem; margin-bottom: var(--space-3); }
.service__list { list-style: none; padding-left: 0; flex-grow: 1; }
.service__list li {
  font-size: 0.92rem;
  line-height: 1.5;
  padding-left: 1.2em;
  position: relative;
  margin-block: var(--space-1);
}
.service__list li::before {
  content: '·';
  position: absolute; left: 0.3em;
  color: var(--c-night);
  font-weight: 700;
}
.service__meta {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--c-fog);
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
  color: var(--c-night);
}
.service__meta div { margin-block: 2px; }

.services-cta {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* ---------- Sezione Processo ---------- */
.process-intro { margin-bottom: var(--space-5); }

.process-steps {
  display: grid;
  gap: var(--space-4);
  counter-reset: step;
}
@media (min-width: 768px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .process-steps { grid-template-columns: repeat(5, 1fr); gap: var(--space-3); }
}
.step {
  position: relative;
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-mist);
}
.step__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--c-night);
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
  display: block;
}
.step h3 { font-size: 1.0625rem; margin-bottom: var(--space-2); }
.step p { font-size: 0.92rem; line-height: 1.5; color: var(--c-ink); }

/* ---------- Sezione Per chi ---------- */
.target-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
@media (min-width: 768px) {
  .target-grid { grid-template-columns: 1fr 1fr; }
}
.target-col {
  padding: var(--space-5);
  background: var(--c-white);
  border: 1px solid var(--c-mist);
}
.target-col--anti {
  background: var(--c-white);
  border: 1px dashed var(--c-mist);
}
.target-col h3 { margin-bottom: var(--space-3); font-size: 1.125rem; }
.target-col ul { list-style: none; padding-left: 0; }
.target-col li {
  padding-left: 1.2em;
  position: relative;
  margin-block: var(--space-2);
  font-size: 0.95rem;
  line-height: 1.5;
}
.target-col li::before {
  content: '·';
  position: absolute; left: 0.3em;
  color: var(--c-night);
  font-weight: 700;
}

/* ---------- Sezione Contatti ---------- */
.contact-wrap {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 900px) {
  .contact-wrap { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

.contact-form {
  background: var(--c-white);
  border: 1px solid var(--c-mist);
  padding: var(--space-5);
}
.form-row { margin-block: var(--space-3); }
.form-row label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
  color: var(--c-night);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.75em 0.9em;
  border: 1px solid var(--c-mist);
  background: var(--c-white);
  color: var(--c-ink);
  font-size: 1rem;
  border-radius: 2px;
  transition: border-color .15s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--c-night);
}
.form-row textarea { resize: vertical; min-height: 100px; }

.form-consent {
  margin-block: var(--space-4);
  display: flex;
  gap: 0.6em;
  align-items: flex-start;
  font-size: 0.85rem;
  line-height: 1.5;
}
.form-consent input[type="checkbox"] {
  width: 16px; height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--c-night);
}

.contact-aside {
  font-size: 0.95rem;
  line-height: 1.6;
}
.contact-aside .block {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--c-mist);
}
.contact-aside .block:first-child { border-top: none; padding-top: 0; }
.contact-aside h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-night);
  margin-bottom: var(--space-2);
}
.contact-aside a { font-weight: 600; }
.contact-aside a:hover { opacity: .65; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-ink);
  color: var(--c-mist);
  padding-block: var(--space-6) var(--space-4);
  font-size: 0.9rem;
  line-height: 1.55;
}
.footer-top {
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(210, 217, 228, 0.12);
  margin-bottom: var(--space-4);
}
.footer-brand { margin-bottom: var(--space-3); color: var(--c-white); font-weight: 600; }
.footer-legal-info {
  font-size: 0.83rem;
  line-height: 1.6;
  color: var(--c-mist);
}
.footer-legal-info span { display: block; }
.footer-legal-info strong { color: var(--c-white); font-weight: 600; }

.footer-cols {
  display: grid;
  gap: var(--space-4);
  margin-block: var(--space-4);
}
@media (min-width: 700px) {
  .footer-cols { grid-template-columns: repeat(3, 1fr); }
}
.footer-col h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-mist);
  margin-bottom: var(--space-2);
}
.footer-col ul { list-style: none; padding-left: 0; }
.footer-col li { margin-block: 0.4em; }
.footer-col a { font-size: 0.88rem; color: var(--c-white); transition: opacity .2s; }
.footer-col a:hover { opacity: .65; }

.footer-bottom {
  padding-top: var(--space-3);
  border-top: 1px solid rgba(210, 217, 228, 0.12);
  font-size: 0.78rem;
  color: var(--c-mist);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  justify-content: space-between;
}

/* ---------- Pagine legali (privacy, cookie, termini) ---------- */
.legal {
  padding-block: var(--space-6) var(--space-7);
}
.legal h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--space-2); }
.legal h2 { 
  font-size: 1.25rem; 
  margin-top: var(--space-5); 
  margin-bottom: var(--space-2); 
  padding-top: var(--space-4);
  border-top: 1px solid var(--c-fog);
}
.legal h2:first-of-type { border-top: none; padding-top: 0; }
.legal h3 { font-size: 1.0625rem; margin-top: var(--space-3); margin-bottom: var(--space-1); }
.legal p, .legal li { font-size: 0.95rem; }
.legal .meta { 
  font-family: 'JetBrains Mono', monospace; 
  font-size: 0.8rem; 
  color: var(--c-night); 
  margin-bottom: var(--space-5);
}
.legal ul, .legal ol { margin-block: var(--space-2); }

.back-home { 
  display: inline-flex; 
  align-items: center; 
  gap: 0.4em; 
  font-size: 0.85rem; 
  font-weight: 600; 
  margin-bottom: var(--space-4);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
}
.back-home:hover { opacity: .65; }

/* ---------- Cookie banner override (CookieYes) ---------- */
/* Lasciamo che CookieYes carichi il proprio stile, ma forziamo accenti */

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { 
    animation-duration: 0.01ms !important; 
    transition-duration: 0.01ms !important; 
  }
  html { scroll-behavior: auto; }
}

/* ---------- Print fallback ---------- */
@media print {
  .site-header, .site-footer, .hero__cta, .services-cta { display: none; }
  body { color: black; background: white; }
  a { text-decoration: underline; }
}