:root{
    --bg: #0c3760;
    --panel: #0f3f6e;
    --panel-alt: #134876;
    --line: rgba(255,255,255,0.14);
    --line-strong: rgba(255,255,255,0.32);
    --text: #ffffff;
    --text-dim: #cfe1f5;
    --text-faint: #82a9d1;
    --accent: #ff5b1f;
    --accent-dim: #c24d22;
    --lock: #34e1b4;
    --radius: 2px;
    --maxw: 1180px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
  }

  body{
    margin:0;
    background:
      linear-gradient(var(--bg), var(--bg)),
      repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(255,255,255,0.05) 39px, rgba(255,255,255,0.05) 40px),
      repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(255,255,255,0.05) 39px, rgba(255,255,255,0.05) 40px);
    color:var(--text);
    font-family:'IBM Plex Sans', sans-serif;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }

  h1,h2,h3{
    font-family:'Oswald', sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    margin:0;
    color:var(--text);
  }

  .mono{font-family:'IBM Plex Mono', monospace;}

  a{color:inherit;}

  button, input, select{font-family:inherit;}

  :focus-visible{
    outline:2px solid var(--accent);
    outline-offset:3px;
  }

  .wrap{
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 28px;
  }

  /* corner bracket decorative motif */
  .bracket{
    position:relative;
  }
  .bracket::before, .bracket::after{
    content:'';
    position:absolute;
    width:14px; height:14px;
    border:1.5px solid var(--line-strong);
  }
  .bracket::before{top:-1px; left:-1px; border-right:none; border-bottom:none;}
  .bracket::after{bottom:-1px; right:-1px; border-left:none; border-top:none;}

  /* ---------- NAV ---------- */
  nav{
    position:sticky; top:0; z-index:50;
    background:rgba(12,55,96,0.9);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  nav .wrap{
    display:flex; align-items:center; justify-content:space-between;
    height:64px;
  }
  .logo{
    font-family:'Oswald', sans-serif;
    font-size:20px; font-weight:700;
    letter-spacing:0.03em;
    display:flex; align-items:center; gap:6px;
    color:var(--text);
  }
  .logo-mark{
    width:24px; height:24px;
    flex-shrink:0;
    display:block;
  }
  nav .tag{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--text-faint);
    letter-spacing:0.08em;
  }
  nav .navcta{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    color:var(--accent);
    border:1px solid var(--accent-dim);
    padding:8px 14px;
    text-decoration:none;
    letter-spacing:0.04em;
    transition:background 0.15s, color 0.15s;
  }
  nav .navcta:hover{background:var(--accent); color:#062142;}

  /* ---------- HERO ---------- */
  header.hero{
    padding:88px 0 60px;
    border-bottom:1px solid var(--line);
  }
  .hero-grid{
    display:grid;
    grid-template-columns:1.1fr 0.9fr;
    gap:56px;
    align-items:center;
  }
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    color:var(--accent);
    letter-spacing:0.12em;
    display:flex; align-items:center; gap:10px;
    margin-bottom:22px;
  }
  .eyebrow .rule{width:32px; height:1px; background:var(--accent-dim);}
  h1.headline{
    font-size:clamp(38px, 5vw, 64px);
    line-height:1.02;
    font-weight:700;
    color:var(--text);
  }
  h1.headline .hl{color:var(--accent);}
  .sub{
    margin-top:22px;
    font-size:17px;
    color:var(--text-dim);
    max-width:46ch;
  }
  .hero-form{
    margin-top:34px;
    display:flex;
    gap:0;
    max-width:460px;
    border:1px solid var(--line-strong);
  }
  .hero-form input[type=email]{
    flex:1;
    background:var(--panel);
    border:none;
    color:var(--text);
    padding:14px 16px;
    font-size:14px;
  }
  .hero-form input[type=email]::placeholder{color:var(--text-faint);}
  .hero-form button{
    background:var(--accent);
    border:none;
    color:#062142;
    font-family:'IBM Plex Mono', monospace;
    font-weight:500;
    font-size:13px;
    letter-spacing:0.03em;
    padding:0 20px;
    cursor:pointer;
    white-space:nowrap;
    transition:background 0.15s;
  }
  .hero-form button:hover{background:#ff7440;}
  .form-note{
    margin-top:10px;
    font-size:12px;
    color:var(--text-faint);
    font-family:'IBM Plex Mono', monospace;
  }

  /* ---------- DEMO VIDEO ---------- */
  .diagram-box{
    background:var(--panel);
    border:1px solid var(--line);
    padding:24px;
    position:relative;
  }
  .diagram-box .cap{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--text-faint);
    letter-spacing:0.05em;
    display:flex;
    justify-content:space-between;
    margin-bottom:14px;
  }
  .diagram-box .cap .state{color:var(--lock);}
  .demo-video{
    display:block;
    width:100%;
    max-width:300px;
    margin:0 auto;
    border:1px solid var(--line-strong);
    background:#000;
  }

  /* ---------- SECTION GENERIC ---------- */
  section{padding:80px 0;}
  section.alt{background:var(--panel); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .section-head{
    display:flex; align-items:baseline; gap:16px;
    margin-bottom:44px;
    flex-wrap:wrap;
  }
  .section-num{
    font-family:'IBM Plex Mono', monospace;
    color:var(--accent);
    font-size:13px;
  }
  .section-head h2{font-size:clamp(26px,3.4vw,36px); color:var(--text);}
  .section-head p{
    font-family:'IBM Plex Sans';
    color:var(--text-dim);
    font-size:15px;
    max-width:52ch;
    margin-top:8px;
    text-transform:none;
    width:100%;
  }

  /* ---------- PROBLEMA ---------- */
  .compare{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .compare > div{
    background:var(--bg);
    padding:30px;
  }
  .compare h3{
    font-size:14px;
    letter-spacing:0.06em;
    font-family:'IBM Plex Mono', monospace;
    text-transform:uppercase;
    margin-bottom:16px;
  }
  .compare.problema h3{color:var(--text-faint);}
  .compare .yes h3{color:var(--lock);}
  .compare ul{margin:0; padding:0; list-style:none;}
  .compare li{
    font-size:14.5px;
    color:var(--text-dim);
    padding:8px 0;
    border-top:1px dashed var(--line);
    display:flex; gap:10px;
  }
  .compare li:first-child{border-top:none;}
  .compare li .m{font-family:'IBM Plex Mono', monospace; color:var(--text-faint); flex-shrink:0;}

  /* ---------- COME FUNZIONA ---------- */
  .steps{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:28px;
  }
  .step{
    border-top:2px solid var(--accent-dim);
    padding-top:20px;
  }
  .step .n{
    font-family:'IBM Plex Mono', monospace;
    font-size:34px;
    color:var(--line-strong);
    display:block;
    margin-bottom:10px;
  }
  .step h3{font-size:16px; margin-bottom:10px; letter-spacing:0.04em; color:var(--text);}
  .step p{color:var(--text-dim); font-size:14.5px; margin:0;}

  /* ---------- VANTAGGI ---------- */
  .features{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .feature{
    background:var(--panel-alt);
    padding:34px 32px;
  }
  .feature .icon svg{width:40px; height:40px;}
  .feature .tag{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--accent);
    letter-spacing:0.08em;
    margin-top:20px;
  }
  .feature h3{font-size:19px; margin:8px 0 12px; color:var(--text);}
  .feature p{color:var(--text-dim); font-size:14.5px; margin:0;}

  /* ---------- VARIANTI ---------- */
  .variants{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .variant{
    background:var(--panel-alt);
    display:flex; flex-direction:column;
  }
  .variant-photo{
    position:relative;
    aspect-ratio:4/3;
    overflow:hidden;
    border-bottom:1px solid var(--line);
    background:var(--bg);
  }
  .variant-photo img{
    width:100%; height:100%;
    object-fit:cover;
    display:block;
    filter:saturate(1.05);
  }
  .variant-photo .fig{
    position:absolute; top:10px; left:10px;
    background:rgba(12,55,96,0.82);
    color:var(--text-dim);
    font-family:'IBM Plex Mono', monospace;
    font-size:10.5px;
    letter-spacing:0.06em;
    padding:4px 8px;
    border:1px solid var(--line-strong);
  }
  .variant-body{
    padding:24px 26px 28px;
    display:flex; flex-direction:column;
    flex:1;
  }
  .variant .code{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--accent);
    letter-spacing:0.08em;
    margin-bottom:6px;
  }
  .variant h3{font-size:19px; margin-bottom:12px; color:var(--text);}
  .variant p{color:var(--text-dim); font-size:14px; margin:0 0 16px;}
  .variant .uses{
    margin-top:auto;
    padding-top:14px;
    border-top:1px solid var(--line);
  }
  .variant .uses span{
    display:block;
    font-size:12.5px;
    color:var(--text-faint);
    font-family:'IBM Plex Mono', monospace;
    line-height:1.9;
  }
  .variant label.chk{
    display:flex; align-items:center; gap:8px;
    margin-top:16px;
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    color:var(--text-dim);
    cursor:pointer;
  }
  .variant input[type=checkbox]{
    accent-color:var(--accent);
    width:14px; height:14px;
  }

  /* ---------- FAQ ---------- */
  .faq-item{
    border-bottom:1px solid var(--line);
  }
  .faq-item summary{
    cursor:pointer;
    padding:20px 0;
    font-family:'IBM Plex Mono', monospace;
    font-size:14px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    list-style:none;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:'+';
    color:var(--accent);
    font-size:18px;
    font-family:'IBM Plex Sans';
  }
  .faq-item[open] summary::after{content:'–';}
  .faq-item .a{
    padding:0 0 22px;
    color:var(--text-dim);
    font-size:14.5px;
    max-width:64ch;
  }

  /* ---------- WAITLIST FOOTER FORM ---------- */
  .waitlist{
    background:var(--panel);
    border:1px solid var(--line);
    padding:48px;
    position:relative;
  }
  .waitlist-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:48px;
  }
  .waitlist h2{font-size:clamp(24px,3vw,32px); margin-bottom:14px; color:var(--text);}
  .waitlist p.desc{color:var(--text-dim); font-size:14.5px; max-width:42ch;}
  .field{margin-bottom:16px;}
  .field label{
    display:block;
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--text-faint);
    letter-spacing:0.06em;
    margin-bottom:6px;
    text-transform:uppercase;
  }
  .field input, .field select{
    width:100%;
    background:var(--bg);
    border:1px solid var(--line-strong);
    color:var(--text);
    padding:11px 12px;
    font-size:14px;
  }
  .submit-btn{
    margin-top:6px;
    background:var(--accent);
    border:none;
    color:#062142;
    font-family:'IBM Plex Mono', monospace;
    font-weight:500;
    font-size:13px;
    padding:13px 24px;
    cursor:pointer;
    width:100%;
    letter-spacing:0.03em;
    transition:background 0.15s;
  }
  .submit-btn:hover{background:#ff7440;}
  .counter{
    font-family:'IBM Plex Mono', monospace;
    font-size:12px;
    color:var(--text-faint);
    margin-top:18px;
  }
  .counter b{color:var(--accent);}

  footer{
    padding:36px 0;
    border-top:1px solid var(--line);
  }
  footer .wrap{
    display:flex; justify-content:space-between; align-items:center;
    flex-wrap:wrap; gap:12px;
  }
  footer .mono{font-size:11px; color:var(--text-faint); letter-spacing:0.04em;}

  @media (max-width: 880px){
    .hero-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr; gap:36px;}
    .variants{grid-template-columns:1fr;}
    .compare{grid-template-columns:1fr;}
    .features{grid-template-columns:1fr;}
    .waitlist-grid{grid-template-columns:1fr; gap:28px;}
    .waitlist{padding:30px 24px;}
    section{padding:56px 0;}
  }

  /* ---------- CONFIRMATION MODAL ---------- */
  .modal-overlay{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(6,20,38,0.78);
    backdrop-filter:blur(3px);
    z-index:200;
    align-items:center;
    justify-content:center;
    padding:20px;
  }
  .modal-overlay.show{display:flex;}
  .modal-box{
    background:var(--panel);
    border:1px solid var(--line-strong);
    max-width:420px;
    width:100%;
    padding:36px 32px;
    position:relative;
    text-align:center;
  }
  .modal-box .modal-close{
    position:absolute;
    top:14px; right:14px;
    background:none;
    border:none;
    color:var(--text-faint);
    font-size:20px;
    line-height:1;
    cursor:pointer;
    padding:4px 8px;
  }
  .modal-box .modal-close:hover{color:var(--text);}
  .modal-icon{
    width:52px; height:52px;
    margin:0 auto 20px;
    border-radius:50%;
    background:rgba(52,225,180,0.12);
    display:flex; align-items:center; justify-content:center;
  }
  .modal-icon svg{width:26px; height:26px;}
  .modal-box .tag{
    font-family:'IBM Plex Mono', monospace;
    font-size:11px;
    color:var(--lock);
    letter-spacing:0.1em;
    margin-bottom:10px;
  }
  .modal-box h3{
    font-size:22px;
    margin-bottom:14px;
    color:var(--text);
  }
  .modal-box p{
    color:var(--text-dim);
    font-size:14.5px;
    margin:0;
    line-height:1.6;
  }
  .modal-box p .em{color:var(--text); font-family:'IBM Plex Mono', monospace; font-size:13.5px;}
  .modal-box .modal-ok{
    margin-top:24px;
    background:var(--accent);
    border:none;
    color:#062142;
    font-family:'IBM Plex Mono', monospace;
    font-weight:500;
    font-size:13px;
    padding:12px 28px;
    cursor:pointer;
    letter-spacing:0.03em;
    transition:background 0.15s;
  }
  .modal-box .modal-ok:hover{background:#ff7440;}