*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --blue:    #1a56db;
      --blue-dk: #1341b0;
      --blue-lt: #e8f0fe;
      --ink:     #111827;
      --muted:   #6b7280;
      --border:  #e5e7eb;
      --bg:      #f9fafb;
      --white:   #ffffff;
      --radius:  12px;
      --shadow:  0 4px 24px rgba(0,0,0,.08);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color: var(--ink);
      background: var(--white);
      line-height: 1.6;
    }

    /* ── NAV ───────────────────────────────────────────────────────────────── */
    nav {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      padding: 0 5%;
      display: flex; align-items: center; justify-content: space-between;
      height: 60px;
    }
    /* Il logo è un <a> dentro <nav>: azzera gli stili ereditati da `nav a`. */
    nav a.logo {
      display: flex; align-items: center; gap: .55rem;
      font-size: 1.25rem; font-weight: 700; color: var(--blue);
      letter-spacing: -.02em; text-decoration: none;
      margin-left: 0; flex-shrink: 0;
    }
    nav a.logo:hover { color: var(--blue); }
    .logo img { display: block; width: 30px; height: 30px; }
    .logo span { color: var(--ink); font-weight: 500; font-size: .82rem; }
    nav a {
      text-decoration: none; color: var(--muted); font-size: .9rem;
      margin-left: 2rem; transition: color .2s;
    }
    nav a:hover { color: var(--blue); }
    .nav-cta {
      background: var(--blue); color: var(--white) !important;
      padding: .4rem 1.1rem; border-radius: 6px; margin-left: 2rem;
      font-weight: 600; transition: background .2s !important;
    }
    .nav-cta:hover { background: var(--blue-dk) !important; }

    /* ── HERO ──────────────────────────────────────────────────────────────── */
    .hero {
      background: linear-gradient(135deg, #0f2460 0%, #1a56db 55%, #2563eb 100%);
      color: var(--white);
      text-align: center;
      padding: 100px 5% 80px;
    }
    .hero-badge {
      display: inline-block;
      background: rgba(255,255,255,.15);
      border: 1px solid rgba(255,255,255,.3);
      border-radius: 100px;
      font-size: .8rem; font-weight: 600;
      letter-spacing: .06em; text-transform: uppercase;
      padding: .3rem 1rem; margin-bottom: 1.5rem;
    }
    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.4rem);
      font-weight: 800; line-height: 1.15;
      letter-spacing: -.03em; margin-bottom: 1.2rem;
    }
    .hero h1 em { font-style: normal; color: #93c5fd; }
    .hero p {
      font-size: 1.15rem; color: rgba(255,255,255,.82);
      max-width: 640px; margin: 0 auto 2.5rem;
    }
    .hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
    .btn-primary {
      background: var(--white); color: var(--blue);
      padding: .8rem 2rem; border-radius: 8px;
      font-weight: 700; font-size: 1rem;
      text-decoration: none; transition: transform .2s, box-shadow .2s;
      box-shadow: 0 2px 16px rgba(0,0,0,.2);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.25); }
    .btn-outline {
      border: 2px solid rgba(255,255,255,.5); color: var(--white);
      padding: .8rem 2rem; border-radius: 8px;
      font-weight: 600; font-size: 1rem;
      text-decoration: none; transition: border-color .2s, background .2s;
    }
    .btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.1); }
    .hero-demo-creds {
      margin-top: 1.8rem;
      font-size: .85rem; color: rgba(255,255,255,.65);
      display: flex; flex-wrap: wrap; gap: .4rem .6rem;
      justify-content: center; align-items: center;
    }
    .hero-cred strong { color: rgba(255,255,255,.95); font-weight: 700; }
    .hero-cred-sep { color: rgba(255,255,255,.35); }

    /* ── STATS BAR ─────────────────────────────────────────────────────────── */
    .stats {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      display: flex; flex-wrap: wrap; justify-content: center;
    }
    .stat {
      padding: 1.6rem 3rem;
      text-align: center;
      border-right: 1px solid var(--border);
    }
    .stat:last-child { border-right: none; }
    .stat-num { font-size: 2rem; font-weight: 800; color: var(--blue); }
    .stat-label { font-size: .82rem; color: var(--muted); margin-top: .2rem; }

    /* ── SECTION WRAPPER ───────────────────────────────────────────────────── */
    section { padding: 80px 5%; }
    .section-label {
      font-size: .78rem; font-weight: 700; letter-spacing: .1em;
      text-transform: uppercase; color: var(--blue); margin-bottom: .8rem;
    }
    .section-title {
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 800; letter-spacing: -.02em; margin-bottom: 1rem;
    }
    .section-sub {
      font-size: 1.05rem; color: var(--muted); max-width: 580px;
    }
    .section-header { margin-bottom: 3rem; }

    /* ── MODULI ─────────────────────────────────────────────────────────────── */
    .moduli-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 1.5rem;
    }
    .modulo-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem;
      transition: box-shadow .25s, transform .25s;
    }
    .modulo-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
    .modulo-header {
      display: flex; align-items: center; gap: .9rem;
      margin-bottom: 1rem;
    }
    .modulo-icon {
      width: 48px; height: 48px; flex-shrink: 0;
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.4rem;
    }
    .icon-corrispettivi { background: #e8f5e9; }
    .icon-oss           { background: #e3f2fd; }
    .icon-transfer      { background: #fff3e0; }
    .modulo-card h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: .15rem; }
    .modulo-card .modulo-sub { font-size: .82rem; color: var(--muted); }
    .modulo-card p { font-size: .9rem; color: var(--muted); margin-bottom: .9rem; line-height: 1.55; }
    .modulo-list { list-style: none; display: flex; flex-direction: column; gap: .35rem; }
    .modulo-list li {
      font-size: .85rem; color: var(--ink);
      padding-left: 1.1rem; position: relative;
    }
    .modulo-list li::before {
      content: "✓";
      position: absolute; left: 0;
      color: var(--blue); font-weight: 700;
    }

    /* ── WORKFLOW ──────────────────────────────────────────────────────────── */
    .workflow { background: var(--bg); }
    .workflow-steps {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 0;
      counter-reset: step;
    }
    .step {
      padding: 2rem 2.5rem 2rem 1.5rem;
      border-right: 1px solid var(--border);
      position: relative;
      counter-increment: step;
    }
    .step:last-child { border-right: none; }
    .step::before {
      content: counter(step);
      width: 36px; height: 36px; border-radius: 50%;
      background: var(--blue); color: var(--white);
      font-weight: 800; font-size: .9rem;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 1rem;
    }
    .step h3 { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; }
    .step p { font-size: .85rem; color: var(--muted); line-height: 1.5; }

    /* ── FEATURE GRID ──────────────────────────────────────────────────────── */
    .features { background: var(--white); }
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5rem;
    }
    .feature-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.8rem;
      transition: box-shadow .25s, transform .25s;
    }
    .feature-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
    .feat-icon {
      width: 48px; height: 48px;
      background: var(--blue-lt);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 1rem; font-size: 1.4rem;
    }
    .feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
    .feature-card p { font-size: .9rem; color: var(--muted); line-height: 1.55; }

    /* ── DOCUMENTS SHOWCASE ────────────────────────────────────────────────── */
    .docs-section { background: var(--bg); }
    .docs-group { margin-top: 2.5rem; }
    .docs-group-title {
      font-size: .78rem; font-weight: 700; letter-spacing: .1em;
      text-transform: uppercase; color: var(--muted);
      margin-bottom: 1rem; padding-bottom: .5rem;
      border-bottom: 1px solid var(--border);
      display: flex; align-items: center; gap: .5rem;
    }
    .docs-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 1rem;
    }
    .doc-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.4rem;
      display: flex; align-items: flex-start; gap: .9rem;
    }
    .doc-icon {
      font-size: 1.5rem; flex-shrink: 0;
      width: 44px; height: 44px;
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
    }
    .doc-icon-green  { background: #e8f5e9; }
    .doc-icon-blue   { background: #e3f2fd; }
    .doc-icon-orange { background: #fff3e0; }
    .doc-icon-grey   { background: var(--blue-lt); }
    .doc-card h3 { font-size: .9rem; font-weight: 700; margin-bottom: .25rem; }
    .doc-card p { font-size: .82rem; color: var(--muted); line-height: 1.5; }

    /* ── DEPLOYMENT ───────────────────────────────────────────────────────── */
    .deploy-section { background: var(--white); }
    .deploy-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 1.5rem;
      margin-top: 2.5rem;
    }
    .deploy-card {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem;
      transition: box-shadow .25s, transform .25s;
    }
    .deploy-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
    .deploy-badge {
      display: inline-block;
      font-size: .72rem; font-weight: 700; letter-spacing: .07em;
      text-transform: uppercase; padding: .2rem .7rem;
      border-radius: 100px; margin-bottom: 1rem;
    }
    .badge-saas { background: #e8f0fe; color: var(--blue); }
    .badge-vps  { background: #e8f5e9; color: #2e7d32; }
    .deploy-icon { font-size: 2rem; margin-bottom: .8rem; }
    .deploy-card h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: .5rem; }
    .deploy-card p  { font-size: .9rem; color: var(--muted); line-height: 1.55; margin-bottom: 1rem; }
    .deploy-list { list-style: none; display: flex; flex-direction: column; gap: .3rem; }
    .deploy-list li {
      font-size: .85rem; color: var(--ink);
      padding-left: 1.1rem; position: relative;
    }
    .deploy-list li::before {
      content: "✓"; position: absolute; left: 0;
      color: var(--blue); font-weight: 700;
    }
    .gdpr-band {
      background: #e8f5e9;
      border: 1px solid #c8e6c9;
      border-radius: var(--radius);
      padding: 1.2rem 1.8rem;
      display: flex; align-items: center; gap: 1rem;
      margin-top: 2rem;
    }
    .gdpr-band-icon { font-size: 1.8rem; flex-shrink: 0; }
    .gdpr-band p { font-size: .88rem; color: #1b5e20; margin: 0; line-height: 1.55; }
    .gdpr-band strong { color: #1b5e20; }

    /* ── PRICING ───────────────────────────────────────────────────────────── */
    .pricing-section { background: var(--bg); }
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 1.5rem;
      margin-top: 2.5rem;
      align-items: start;
    }
    .price-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem;
      display: flex; flex-direction: column;
      transition: box-shadow .25s, transform .25s;
    }
    .price-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
    .price-card.featured {
      border: 2px solid var(--blue);
      box-shadow: var(--shadow);
      position: relative;
    }
    .price-flag {
      position: absolute; top: -12px; left: 2rem;
      background: var(--blue); color: var(--white);
      font-size: .7rem; font-weight: 700; letter-spacing: .07em;
      text-transform: uppercase;
      padding: .25rem .8rem; border-radius: 100px;
    }
    .price-name { font-size: 1.05rem; font-weight: 800; margin-bottom: .3rem; }
    .price-desc { font-size: .85rem; color: var(--muted); margin-bottom: 1.2rem; min-height: 2.6em; }
    .price-amount {
      font-size: 2.4rem; font-weight: 800; color: var(--blue);
      letter-spacing: -.03em; line-height: 1;
    }
    .price-period { font-size: .9rem; color: var(--muted); font-weight: 500; }
    .price-list {
      list-style: none; display: flex; flex-direction: column; gap: .4rem;
      margin: 1.4rem 0 0;
    }
    .price-list li {
      font-size: .85rem; color: var(--ink);
      padding-left: 1.1rem; position: relative;
    }
    .price-list li::before {
      content: "✓"; position: absolute; left: 0;
      color: var(--blue); font-weight: 700;
    }
    .price-annual {
      background: #e8f5e9; border: 1px solid #c8e6c9;
      border-radius: var(--radius);
      padding: 1rem 1.5rem; margin-top: 2rem;
      font-size: .9rem; color: #1b5e20;
    }
    .price-annual strong { color: #1b5e20; }
    .onprem-box {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 2rem;
      margin-top: 1.5rem;
    }
    .onprem-box h3 { font-size: 1.05rem; font-weight: 800; margin-bottom: .5rem; }
    .onprem-box > p { font-size: .9rem; color: var(--muted); line-height: 1.55; margin-bottom: 1.2rem; }
    .onprem-rows { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
    .onprem-row {
      background: var(--bg); border: 1px solid var(--border);
      border-radius: 8px; padding: 1rem 1.2rem;
    }
    .onprem-row .lbl { font-size: .78rem; font-weight: 700; color: var(--muted);
                       text-transform: uppercase; letter-spacing: .05em; display: block; margin-bottom: .3rem; }
    .onprem-row .val { font-size: 1.15rem; font-weight: 800; color: var(--blue); }
    .price-note { font-size: .82rem; color: var(--muted); margin-top: 1.5rem; line-height: 1.6; }

    /* ── SP-API ────────────────────────────────────────────────────────────── */
    .spapi-section { background: var(--white); }
    .spapi-table-wrap { overflow-x: auto; margin-top: 2rem; }
    .spapi-table {
      width: 100%; border-collapse: collapse; font-size: .88rem;
      background: var(--white); border: 1px solid var(--border);
      border-radius: var(--radius); overflow: hidden;
    }
    .spapi-table th {
      background: var(--bg); text-align: left; padding: .8rem 1rem;
      font-weight: 700; font-size: .8rem; text-transform: uppercase;
      letter-spacing: .05em; color: var(--muted);
      border-bottom: 1px solid var(--border); white-space: nowrap;
    }
    .spapi-table td { padding: .8rem 1rem; border-bottom: 1px solid var(--border); vertical-align: top; }
    .spapi-table tr:last-child td { border-bottom: none; }
    .spapi-table code {
      font-family: "SF Mono", "Fira Code", "Consolas", monospace;
      font-size: .82rem; background: #f0f9ff; color: #0369a1;
      padding: .1rem .45rem; border-radius: 4px; white-space: nowrap;
    }
    .spapi-note {
      background: var(--blue-lt); border: 1px solid #c7d9f7;
      border-radius: var(--radius); padding: 1.2rem 1.8rem; margin-top: 2rem;
      font-size: .88rem; color: #1341b0; line-height: 1.6;
    }
    .spapi-note strong { color: #0f2460; }

    /* ── COMPLIANCE BAND ───────────────────────────────────────────────────── */
    .compliance {
      background: linear-gradient(135deg, #0f2460 0%, #1a56db 100%);
      color: var(--white);
      text-align: center;
      padding: 70px 5%;
    }
    .compliance h2 {
      font-size: clamp(1.5rem, 3vw, 2rem);
      font-weight: 800; margin-bottom: 1rem;
    }
    .compliance p { color: rgba(255,255,255,.8); max-width: 560px; margin: 0 auto 2.5rem; }
    .compliance-tags {
      display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center;
    }
    .tag {
      background: rgba(255,255,255,.15);
      border: 1px solid rgba(255,255,255,.25);
      border-radius: 100px;
      font-size: .82rem; font-weight: 600;
      padding: .4rem 1.1rem; color: var(--white);
    }

    /* ── TECH STACK ────────────────────────────────────────────────────────── */
    .tech-grid {
      display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem;
    }
    .tech-pill {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 100px;
      padding: .5rem 1.2rem;
      font-size: .85rem; font-weight: 600; color: var(--ink);
    }

    /* ── DEMO CTA ──────────────────────────────────────────────────────────── */
    .demo-cta {
      background: var(--bg);
      border-top: 1px solid var(--border);
      padding: 80px 5%;
      text-align: center;
    }
    .demo-cta .section-label { justify-content: center; display: block; }
    .demo-cta .section-title { margin-bottom: .6rem; }
    .demo-cta > p { color: var(--muted); max-width: 520px; margin: 0 auto 2.5rem; }
    .demo-box {
      display: inline-block;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 2rem 2.5rem;
      text-align: left;
      min-width: 340px;
      margin-bottom: 2rem;
    }
    .demo-box-title {
      font-size: .78rem; font-weight: 700; letter-spacing: .1em;
      text-transform: uppercase; color: var(--blue); margin-bottom: 1.2rem;
    }
    .cred-row {
      display: flex; align-items: center; gap: 1rem;
      padding: .55rem 0;
      border-bottom: 1px solid var(--border);
    }
    .cred-row:last-child { border-bottom: none; }
    .cred-label {
      font-size: .78rem; font-weight: 700; color: var(--muted);
      text-transform: uppercase; letter-spacing: .05em;
      min-width: 80px;
    }
    .cred-val {
      font-family: "SF Mono", "Fira Code", "Consolas", monospace;
      font-size: .95rem; font-weight: 600;
      background: #f0f9ff; color: #0369a1;
      padding: .15rem .6rem; border-radius: 5px;
    }
    .cred-link {
      font-size: .95rem; font-weight: 600; color: var(--blue);
      text-decoration: none;
    }
    .cred-link:hover { text-decoration: underline; }
    .demo-note {
      font-size: .82rem; color: var(--muted);
      margin-top: 1.5rem; text-align: center;
    }

    /* ── FOOTER ────────────────────────────────────────────────────────────── */
    footer {
      background: var(--ink);
      color: rgba(255,255,255,.5);
      padding: 2.5rem 5%;
      font-size: .85rem;
      display: flex; flex-wrap: wrap;
      align-items: center; justify-content: space-between;
      gap: 1rem;
    }
    footer strong { color: var(--white); }
    footer a { color: rgba(255,255,255,.6); text-decoration: none; }
    footer a:hover { color: var(--white); }
    .footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }

    /* ── RESPONSIVE ────────────────────────────────────────────────────────── */
    @media (max-width: 640px) {
      .stat { padding: 1.2rem 1.5rem; border-right: none; border-bottom: 1px solid var(--border); }
      nav a:not(.nav-cta) { display: none; }
      .step { border-right: none; border-bottom: 1px solid var(--border); padding: 1.5rem 1rem; }
      .step:last-child { border-bottom: none; }
      footer { flex-direction: column; text-align: center; }
    }