/* ── SHARED TOKENS ───────────────────────────────────────────────── */
:root {
  --bg:#F7F9FC; --surface:#FFFFFF; --border:#E2E8F0;
  --blue-50:#EFF6FF; --blue-100:#DBEAFE; --blue-200:#BFDBFE;
  --blue-500:#3B82F6; --blue-600:#2563EB; --blue-700:#1D4ED8;
  --slate-300:#CBD5E1; --slate-400:#94A3B8; --slate-500:#64748B;
  --slate-600:#475569; --slate-700:#334155; --slate-900:#0F172A;
  --amber-50:#FFFBEB; --amber-500:#F59E0B; --amber-700:#B45309;
  --red-50:#FEF2F2; --red-100:#FEE2E2; --red-600:#DC2626; --red-700:#B91C1C;
  --green-50:#F0FDF4; --green-200:#BBF7D0; --green-600:#16A34A;
  --orange-50:#FFF7ED; --orange-200:#FED7AA; --orange-600:#EA580C;
  --r-sm:6px; --r-md:10px; --r-lg:14px; --r-xl:18px;
  --sh-sm:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
  --sh-md:0 4px 16px rgba(15,23,42,.09),0 2px 4px rgba(15,23,42,.05);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',sans-serif;
  background:var(--bg);color:var(--slate-900);min-height:100vh;
  line-height:1.5;-webkit-font-smoothing:antialiased}

/* ── NAV (calcolatore) ────────────────────────────────────────────── */
.app-nav{
  display:flex;align-items:center;gap:.75rem;
  padding:.75rem 1.5rem;background:var(--surface);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;
}
.nav-back{font-size:.82rem;color:var(--slate-500);text-decoration:none;font-weight:500}
.nav-back:hover{color:var(--blue-600)}
.nav-title{font-size:.85rem;font-weight:600;color:var(--slate-700);flex:1}
.nav-badge{font-size:.65rem;font-weight:700;padding:.15rem .5rem;
  border-radius:99px;background:var(--blue-50);color:var(--blue-600);
  border:1px solid var(--blue-100)}

/* ── SHELL ────────────────────────────────────────────────────────── */
.shell{max-width:760px;margin:0 auto;padding:2.5rem 1.5rem 5rem}

/* ── PAGE HEADER ─────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 2rem;
  text-align: center;
}
.page-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -.02em;
  margin-bottom: .4rem;
}
.page-header p {
  font-size: .88rem;
  color: var(--slate-500);
}

/* ── STEPPER ──────────────────────────────────────────────────────── */
.stepper{display:flex;align-items:center;margin-bottom:2rem;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-xl);padding:.5rem;box-shadow:var(--sh-sm);
  overflow-x:auto;scrollbar-width:none}
.stepper::-webkit-scrollbar{display:none}
.step-btn{flex:1;min-width:80px;display:flex;flex-direction:column;
  align-items:center;gap:.15rem;padding:.45rem .3rem;
  border-radius:var(--r-lg);border:none;background:transparent;
  cursor:pointer;transition:all .15s}
.step-btn .s-num{width:22px;height:22px;border-radius:50%;
  border:1.5px solid var(--slate-300);display:flex;align-items:center;
  justify-content:center;font-size:.65rem;font-weight:700;
  color:var(--slate-400);background:var(--bg);transition:all .15s;flex-shrink:0}
.step-btn .s-label{font-size:.65rem;font-weight:600;color:var(--slate-400);
  white-space:nowrap;transition:color .15s}
.step-btn.active .s-num{background:var(--blue-600);border-color:var(--blue-600);color:#fff}
.step-btn.active .s-label{color:var(--blue-600)}
.step-btn.done .s-num{background:var(--green-600);border-color:var(--green-600);color:#fff}
.step-btn.done .s-label{color:var(--green-600)}

/* ── CARD ─────────────────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-xl);box-shadow:0 1px 3px rgba(15,23,42,.03);
  padding:1.5rem 1.75rem;margin-bottom:1.5rem}
.card-title{font-size:.62rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--slate-400);margin-bottom:1rem}

/* ── UPLOAD ───────────────────────────────────────────────────────── */
.upload-grid{display:grid;grid-template-columns:1fr;gap:.75rem}
.upload-zone{border:1.5px dashed var(--border);border-radius:var(--r-lg);
  padding:1.6rem 1.5rem;text-align:center;cursor:pointer;
  transition:all .2s;background:var(--bg);position:relative}
.upload-zone:hover,.upload-zone.drag{border-color:var(--blue-500);background:var(--blue-50)}
.upload-zone input[type=file]{position:absolute;inset:0;opacity:0;
  cursor:pointer;width:100%;height:100%}
.upload-zone .uz-icon{font-size:1.4rem;margin-bottom:.35rem;display:block}
.upload-zone .uz-title{font-size:.78rem;font-weight:600;color:var(--slate-700);margin-bottom:.15rem}
.upload-zone .uz-sub{font-size:.68rem;color:var(--slate-400)}
.upload-zone.has-file{border-color:var(--green-200);border-style:solid;background:var(--green-50)}
.upload-zone.has-file .uz-title{color:var(--green-600)}
.file-badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.68rem;
  background:var(--green-200);color:#166534;border-radius:99px;
  padding:.15rem .5rem;margin-top:.3rem;font-weight:500}

/* ── LOG ──────────────────────────────────────────────────────────── */
.extract-log{background:var(--slate-900);border-radius:var(--r-lg);
  padding:1rem 1.15rem;font-family:'SF Mono','Fira Code',monospace;
  font-size:.72rem;color:#94A3B8;line-height:1.7;max-height:160px;
  overflow-y:auto;margin-top:.75rem;display:none}
.extract-log.visible{display:block}
.log-ok{color:#4ADE80}.log-warn{color:#FBBF24}.log-err{color:#F87171}.log-info{color:#60A5FA}

/* ── EXTRACTED PILLS ──────────────────────────────────────────────── */
.extracted-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:.6rem;margin-top:.75rem}
.ex-pill{background:var(--blue-50);border:1px solid var(--blue-100);
  border-radius:var(--r-md);padding:.65rem .85rem}
.ex-pill-src{font-size:.6rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;color:var(--blue-500);margin-bottom:.15rem}
.ex-pill-lbl{font-size:.7rem;color:var(--slate-500);margin-bottom:.15rem}
.ex-pill-val{font-size:1rem;font-weight:700;color:var(--blue-700)}

/* ── FIELDS ───────────────────────────────────────────────────────── */
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
@media(max-width:480px){.field-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.5rem}
.field-label-row{display:flex;align-items:center;gap:.35rem}
.field-label{font-size:.78rem;font-weight:600;color:var(--slate-700)}
.field-src{font-size:.6rem;font-weight:700;padding:.1rem .35rem;border-radius:99px;
  background:var(--orange-200);color:var(--orange-600);text-transform:uppercase;letter-spacing:.04em}
.field-src.manual{background:var(--slate-300);color:var(--slate-600)}
.helper-btn{width:16px;height:16px;border-radius:50%;
  border:1.5px solid var(--slate-300);background:transparent;
  color:var(--slate-400);font-size:.6rem;font-weight:700;cursor:pointer;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}
.helper-btn:hover{border-color:var(--blue-500);color:var(--blue-500);background:var(--blue-50)}
.field input[type=number]{font-size:.9rem;font-weight:500;color:var(--slate-900);
  padding:.55rem .75rem;border:1.5px solid var(--border);border-radius:var(--r-md);
  background:var(--bg);width:100%;outline:none;-moz-appearance:textfield;transition:border-color .15s,box-shadow .15s}
.field input[type=number]::-webkit-outer-spin-button,
.field input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}
.field input[type=number]:focus{border-color:var(--blue-500);
  box-shadow:0 0 0 3px rgba(59,130,246,.12);background:var(--surface)}
.field input.auto-filled{border-color:var(--orange-200);background:var(--orange-50)}

/* ── BUTTONS ──────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:.4rem;
  padding:.6rem 1.1rem;font-size:.85rem;font-weight:600;
  border-radius:var(--r-md);border:none;cursor:pointer;transition:all .15s;text-decoration:none}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.25)}
.btn-primary:hover{background:var(--blue-700)}
.btn-primary:active{transform:scale(.99)}
.btn-secondary{background:var(--surface);color:var(--slate-700);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg)}
.btn-lg{width:100%;justify-content:center;padding:.75rem;font-size:.95rem;margin-top:1rem}
.btn-row{display:flex;gap:.88rem;margin-top:1.5rem}
@media(max-width:420px){.btn-row{flex-direction:column}}

/* ── RESULT CARDS ─────────────────────────────────────────────────── */
.f24-trio{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;margin-bottom:1.5rem}
@media(max-width:500px){.f24-trio{grid-template-columns:1fr}}
.f24-card{border-radius:var(--r-lg);padding:1.5rem 1.25rem;
  border:1px solid var(--border);border-left:4px solid var(--blue-500);background:var(--surface)}
.f24-card.highlight{background:var(--blue-600);border-color:var(--blue-600);border-left:4px solid var(--blue-700)}
.f24-eyebrow{font-size:.62rem;font-weight:700;letter-spacing:.07em;
  text-transform:uppercase;color:var(--slate-400);margin-bottom:.2rem}
.f24-card.highlight .f24-eyebrow{color:rgba(255,255,255,.6)}
.f24-date{font-size:.7rem;color:var(--slate-400);margin-bottom:.55rem}
.f24-card.highlight .f24-date{color:rgba(255,255,255,.5)}
.f24-amount{font-size:1.45rem;font-weight:700;color:var(--blue-600);
  letter-spacing:-.02em;line-height:1}
.f24-card.highlight .f24-amount{color:#fff;font-size:1.65rem}

/* ── MINI CARDS ───────────────────────────────────────────────────── */
.mini-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));
  gap:1rem;margin-bottom:1.5rem}
.mini-card{background:var(--surface);border:1px solid var(--border);
  border-left:4px solid var(--slate-400);border-radius:var(--r-lg);padding:1rem 1.15rem}
.mini-lbl{font-size:.62rem;color:var(--slate-400);font-weight:600;
  text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem}
.mini-val{font-size:1.05rem;font-weight:700;color:var(--slate-900);letter-spacing:-.01em}
.mini-sub{font-size:.68rem;color:var(--slate-400);margin-top:.15rem}
.mini-card.blue{border-color:var(--blue-100);border-left-color:var(--blue-500);background:var(--blue-50)}
.mini-card.blue .mini-lbl{color:var(--blue-500)}.mini-card.blue .mini-val{color:var(--blue-700)}
.mini-card.amber{border-color:#FDE68A;border-left-color:var(--amber-500);background:var(--amber-50)}
.mini-card.amber .mini-lbl{color:var(--amber-500)}.mini-card.amber .mini-val{color:var(--amber-700)}
.mini-card.red{border-color:var(--red-100);border-left-color:var(--red-600);background:var(--red-50)}
.mini-card.red .mini-lbl{color:var(--red-600)}.mini-card.red .mini-val{color:var(--red-700)}
.mini-card.green{border-color:var(--green-200);border-left-color:var(--green-600);background:var(--green-50)}
.mini-card.green .mini-lbl{color:var(--green-600)}.mini-card.green .mini-val{color:var(--green-600)}

/* ── F24 BOX ──────────────────────────────────────────────────────── */
.f24-box{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;margin-bottom:1.5rem}
.f24-box-hdr{padding:1rem 1.25rem;background:var(--bg);
  border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center}
.f24-box-title{font-size:.78rem;font-weight:700;color:var(--slate-700)}
.f24-box-badge{font-size:.7rem;font-weight:600;padding:.18rem .5rem;
  border-radius:99px;background:var(--blue-50);color:var(--blue-600)}
.f24-line{display:flex;align-items:center;gap:.75rem;
  padding:.75rem 1.25rem;border-bottom:1px solid var(--border);font-size:.8rem}
.f24-line:last-child{border-bottom:none}
.f24-cod{font-family:'SF Mono','Fira Code',monospace;font-size:.68rem;
  color:var(--slate-400);min-width:32px;background:var(--bg);
  border:1px solid var(--border);border-radius:4px;
  padding:.1rem .28rem;text-align:center}
.f24-desc{color:var(--slate-600);flex:1;font-size:.78rem}
.f24-amt{font-weight:600;color:var(--slate-900);white-space:nowrap;font-size:.85rem}
.f24-total-row{display:flex;justify-content:space-between;align-items:center;
  padding:1rem 1.25rem;background:var(--blue-50);
  border-top:1.5px solid var(--blue-100);
  font-size:.88rem;font-weight:700;color:var(--blue-700)}

/* ── STEP ROWS ────────────────────────────────────────────────────── */
.step-list{display:flex;flex-direction:column}
.step-row{display:flex;justify-content:space-between;align-items:baseline;
  padding:.75rem 0;border-bottom:1px solid var(--border);gap:1.25rem;font-size:.85rem}
.step-row:last-child{border-bottom:none}
.step-row.sub-total{background:var(--blue-50);margin:.35rem -.5rem;
  padding:.65rem .5rem;border-radius:var(--r-sm);border:none}
.step-lbl{color:var(--slate-600);flex:1}
.step-lbl.op{color:var(--slate-400);padding-left:.7rem}
.step-val{font-weight:600;color:var(--slate-900);white-space:nowrap}
.step-val.neg{color:var(--slate-400)}
.step-val.accent{color:var(--blue-600)}
.step-divider{border:none;border-top:1.5px dashed var(--border);margin:.75rem 0}

/* ── INFO/ACCENT BOXES ────────────────────────────────────────────── */
.info-box{background:var(--blue-50);border:1px solid var(--blue-100);
  border-radius:var(--r-md);padding:.75rem 1rem;
  font-size:.78rem;color:var(--blue-700);line-height:1.6;margin-bottom:.75rem}
.info-box strong{font-weight:700}
.accent-strip{background:var(--orange-50);border:1px solid var(--orange-200);
  border-radius:var(--r-md);padding:.75rem 1rem;
  font-size:.78rem;color:var(--orange-600);line-height:1.6;margin-bottom:.75rem}

/* ── BADGE ────────────────────────────────────────────────────────── */
.badge{display:inline-block;font-size:.62rem;font-weight:700;
  padding:.12rem .42rem;border-radius:99px;margin-left:.3rem;vertical-align:middle}
.badge.up{background:var(--red-100);color:var(--red-600)}
.badge.dn{background:var(--green-50);color:var(--green-600);border:1px solid var(--green-200)}

/* ── ACCANTONAMENTO ───────────────────────────────────────────────── */
.acc-banner{background:var(--blue-600);border-radius:var(--r-lg);
  padding:1.1rem 1.25rem;display:flex;justify-content:space-between;
  align-items:center;gap:1rem;margin-bottom:1rem}
.acc-label{font-size:.68rem;font-weight:600;color:rgba(255,255,255,.6);
  text-transform:uppercase;letter-spacing:.06em;margin-bottom:.2rem}
.acc-sub{font-size:.73rem;color:rgba(255,255,255,.5);margin-top:.15rem}
.acc-val{font-size:1.7rem;font-weight:700;color:#fff;white-space:nowrap;letter-spacing:-.02em}

/* ── SOGLIA ───────────────────────────────────────────────────────── */
.soglia-bar-bg{height:8px;background:var(--border);border-radius:99px;overflow:hidden;margin:.5rem 0}
.soglia-bar-fill{height:100%;background:var(--blue-500);border-radius:99px;transition:width .4s ease}
.soglia-labels{display:flex;justify-content:space-between;font-size:.7rem;color:var(--slate-400)}

/* ── CHART ────────────────────────────────────────────────────────── */
.chart-wrap{width:100%;height:220px;position:relative;margin:.5rem 0 0}

/* ── TOOLTIP MODAL ────────────────────────────────────────────────── */
.tip-overlay{display:none;position:fixed;inset:0;z-index:200;
  align-items:center;justify-content:center;padding:1rem;
  background:rgba(15,23,42,.35);backdrop-filter:blur(2px)}
.tip-overlay.open{display:flex}
.tip-box{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--sh-md);
  max-width:360px;width:100%;padding:1.5rem;position:relative;animation:popIn .18s ease}
@keyframes popIn{from{opacity:0;transform:scale(.96) translateY(6px)}to{opacity:1;transform:scale(1) translateY(0)}}
.tip-close{position:absolute;top:.9rem;right:.9rem;width:26px;height:26px;
  border-radius:50%;border:none;background:var(--bg);color:var(--slate-500);
  font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center}
.tip-close:hover{background:var(--border)}
.tip-icon{width:36px;height:36px;border-radius:50%;background:var(--blue-50);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:.75rem}
.tip-title{font-size:.95rem;font-weight:700;color:var(--slate-900);margin-bottom:.4rem}
.tip-body{font-size:.83rem;color:var(--slate-600);line-height:1.6}
.tip-example{margin-top:.75rem;padding:.65rem .85rem;background:var(--blue-50);
  border-left:3px solid var(--blue-500);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:.78rem;color:var(--blue-700);font-weight:500;line-height:1.5}

/* ── SECTION ──────────────────────────────────────────────────────── */
.section{display:none}.section.active{display:block}
.hidden{display:none}
.note{font-size:.7rem;color:var(--slate-400);margin-top:.4rem;line-height:1.5}

/* ── LANDING PAGE ─────────────────────────────────────────────────── */

/* Nav landing */
.landing-nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 2rem;background:var(--surface);
  border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;
}
.landing-nav .logo{font-size:1rem;font-weight:700;color:var(--slate-900);text-decoration:none;letter-spacing:-.01em}
.landing-nav .logo span{color:var(--blue-600)}
.landing-nav .cta-nav{font-size:.82rem;font-weight:600;color:var(--blue-600);
  text-decoration:none;padding:.4rem .9rem;border:1.5px solid var(--blue-200);
  border-radius:var(--r-md);transition:all .15s}
.landing-nav .cta-nav:hover{background:var(--blue-50)}

/* Hero */
.hero{padding:4rem 1.5rem 3.5rem;text-align:center;max-width:680px;margin:0 auto}
.hero-tag{display:inline-block;font-size:.72rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue-600);background:var(--blue-50);
  border:1px solid var(--blue-100);border-radius:99px;
  padding:.3rem .85rem;margin-bottom:1.25rem}
.hero h1{font-size:clamp(1.75rem,5vw,2.75rem);font-weight:800;
  color:var(--slate-900);letter-spacing:-.03em;line-height:1.15;margin-bottom:1rem}
.hero h1 span{color:var(--blue-600)}
.hero p{font-size:1.05rem;color:var(--slate-500);line-height:1.7;
  max-width:520px;margin:0 auto 2rem}
.hero-cta{display:inline-flex;align-items:center;gap:.5rem;
  background:var(--blue-600);color:#fff;font-weight:700;font-size:1rem;
  padding:.85rem 1.75rem;border-radius:var(--r-lg);text-decoration:none;
  box-shadow:0 4px 14px rgba(37,99,235,.3);transition:all .2s}
.hero-cta:hover{background:var(--blue-700);transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(37,99,235,.35)}
.hero-note{font-size:.75rem;color:var(--slate-400);margin-top:.875rem}

/* Mockup hero */
.hero-mockup{max-width:600px;margin:2.5rem auto 0;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-xl);box-shadow:var(--sh-md);
  overflow:hidden;padding:1.25rem}
.mockup-bar{display:flex;gap:.4rem;margin-bottom:.875rem}
.mockup-dot{width:10px;height:10px;border-radius:50%}
.mockup-step-row{display:flex;gap:.4rem;margin-bottom:.875rem}
.mockup-step{flex:1;height:36px;border-radius:8px;background:var(--bg);
  border:1px solid var(--border);display:flex;align-items:center;
  justify-content:center;font-size:.6rem;color:var(--slate-400);font-weight:600}
.mockup-step.active{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.mockup-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem}
.mockup-card{border-radius:8px;padding:.65rem .75rem;border:1px solid var(--border)}
.mockup-card.c1{background:var(--bg)}.mockup-card.c2{background:var(--bg)}
.mockup-card.c3{background:var(--blue-600)}
.mockup-card-lbl{font-size:.55rem;color:var(--slate-400);margin-bottom:.25rem;font-weight:600}
.mockup-card.c3 .mockup-card-lbl{color:rgba(255,255,255,.6)}
.mockup-card-val{font-size:.9rem;font-weight:700;color:var(--slate-900)}
.mockup-card.c3 .mockup-card-val{color:#fff}

/* Features */
.features{padding:3rem 1.5rem;background:var(--surface);border-top:1px solid var(--border)}
.features-inner{max-width:840px;margin:0 auto}
.section-label{font-size:.7rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--blue-500);margin-bottom:.5rem}
.section-title{font-size:clamp(1.3rem,4vw,1.75rem);font-weight:700;
  color:var(--slate-900);letter-spacing:-.02em;margin-bottom:.5rem}
.section-sub{font-size:.9rem;color:var(--slate-500);margin-bottom:2rem}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.feat-card{background:var(--bg);border:1px solid var(--border);
  border-radius:var(--r-xl);padding:1.25rem}
.feat-icon{width:40px;height:40px;border-radius:var(--r-md);
  background:var(--blue-50);border:1px solid var(--blue-100);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;margin-bottom:.875rem}
.feat-title{font-size:.88rem;font-weight:700;color:var(--slate-900);margin-bottom:.35rem}
.feat-desc{font-size:.78rem;color:var(--slate-500);line-height:1.6}

/* Documenti supportati */
.docs-section{padding:3rem 1.5rem;background:var(--bg);border-top:1px solid var(--border)}
.docs-inner{max-width:840px;margin:0 auto}
.docs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem;margin-top:1.5rem}
.doc-card{background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:1rem 1.1rem;display:flex;align-items:flex-start;gap:.75rem}
.doc-icon{font-size:1.3rem;flex-shrink:0;margin-top:.1rem}
.doc-title{font-size:.8rem;font-weight:700;color:var(--slate-700);margin-bottom:.2rem}
.doc-desc{font-size:.7rem;color:var(--slate-400);line-height:1.5}

/* Come funziona */
.how-section{padding:3rem 1.5rem;background:var(--surface);border-top:1px solid var(--border)}
.how-inner{max-width:680px;margin:0 auto}
.how-steps{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}
.how-step{display:flex;gap:1rem;align-items:flex-start}
.how-num{width:30px;height:30px;border-radius:50%;background:var(--blue-600);
  color:#fff;font-size:.78rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:.1rem}
.how-content{}
.how-title{font-size:.88rem;font-weight:700;color:var(--slate-900);margin-bottom:.2rem}
.how-desc{font-size:.78rem;color:var(--slate-500);line-height:1.55}

/* FAQ */
.faq-section{padding:3rem 1.5rem;background:var(--bg);border-top:1px solid var(--border)}
.faq-inner{max-width:680px;margin:0 auto}
.faq-list{margin-top:1.5rem;display:flex;flex-direction:column;gap:.5rem}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden}
.faq-q{width:100%;text-align:left;padding:1rem 1.25rem;
  font-size:.88rem;font-weight:600;color:var(--slate-700);
  background:none;border:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:.75rem}
.faq-q:hover{color:var(--blue-600)}
.faq-arrow{font-size:.75rem;color:var(--slate-400);transition:transform .2s;flex-shrink:0}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{display:none;padding:0 1.25rem 1rem;font-size:.82rem;
  color:var(--slate-500);line-height:1.7}
.faq-item.open .faq-a{display:block}

/* Privacy */
.privacy-section{padding:2.5rem 1.5rem;background:var(--blue-50);border-top:1px solid var(--blue-100)}
.privacy-inner{max-width:680px;margin:0 auto;text-align:center}
.privacy-icon{font-size:2rem;margin-bottom:.75rem}
.privacy-title{font-size:1rem;font-weight:700;color:var(--blue-700);margin-bottom:.5rem}
.privacy-text{font-size:.82rem;color:var(--blue-600);line-height:1.7;max-width:520px;margin:0 auto}
.privacy-chips{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:1rem}
.chip{font-size:.72rem;font-weight:600;padding:.3rem .75rem;
  border-radius:99px;background:var(--surface);color:var(--blue-700);
  border:1px solid var(--blue-200)}

/* Disclaimer */
.disclaimer-section{padding:2rem 1.5rem;border-top:1px solid var(--border);background:var(--surface)}
.disclaimer-inner{max-width:680px;margin:0 auto}
.disclaimer-title{font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.07em;color:var(--slate-400);margin-bottom:.5rem}
.disclaimer-text{font-size:.75rem;color:var(--slate-400);line-height:1.7}

/* CTA finale */
.cta-section{padding:3.5rem 1.5rem;text-align:center;
  background:linear-gradient(135deg,var(--blue-700) 0%,var(--blue-500) 100%)}
.cta-section h2{font-size:clamp(1.25rem,4vw,1.875rem);font-weight:800;
  color:#fff;letter-spacing:-.02em;margin-bottom:.75rem}
.cta-section p{font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:1.75rem}
.cta-section .hero-cta{background:#fff;color:var(--blue-700);box-shadow:0 4px 14px rgba(0,0,0,.15)}
.cta-section .hero-cta:hover{background:var(--blue-50);transform:translateY(-1px)}

/* Footer */
.footer{padding:1.25rem 1.5rem;border-top:1px solid var(--border);
  background:var(--surface);text-align:center}
.footer p{font-size:.72rem;color:var(--slate-400)}
.footer a{color:var(--slate-400);text-decoration:none}
.footer a:hover{color:var(--blue-600)}

/* Warnings below fields */
.field-warning {
  font-size: .72rem;
  color: var(--orange-600);
  background: var(--orange-50);
  border: 1px solid var(--orange-200);
  border-radius: var(--r-sm);
  padding: .45rem .65rem;
  margin-top: .3rem;
  line-height: 1.4;
}
.field-warning a {
  color: var(--blue-600);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

/* ── ONBOARDING ───────────────────────────────────────────────── */
.onb-sub {
  font-size: .83rem;
  color: var(--slate-500);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}
.onb-question {
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 0.5px solid var(--border);
}
.onb-question:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.onb-q-label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: .75rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.onb-q-sub {
  font-size: .75rem;
  font-weight: 400;
  color: var(--slate-400);
  line-height: 1.5;
}
.onb-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
}
.onb-options-ateco {
  grid-template-columns: 1fr 1fr 1fr;
}
@media (max-width: 520px) {
  .onb-options,
  .onb-options-ateco { grid-template-columns: 1fr; }
}
.onb-opt {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .2rem;
  padding: .85rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg);
  cursor: pointer;
  text-align: left;
  transition: all .15s;
}
.onb-opt:hover {
  border-color: var(--blue-300);
  background: var(--blue-50);
}
.onb-opt.selected {
  border-color: var(--blue-600);
  background: var(--blue-50);
  box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.onb-opt-icon { font-size: 1.2rem; margin-bottom: .15rem; }
.onb-opt-title {
  font-size: .82rem;
  font-weight: 600;
  color: var(--slate-900);
}
.onb-opt.selected .onb-opt-title { color: var(--blue-700); }
.onb-opt-sub {
  font-size: .7rem;
  color: var(--slate-400);
  line-height: 1.4;
}
.onb-opt-wide { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: .75rem; }
.onb-opt-wide .onb-opt-icon { margin-bottom: 0; }
.onb-alert {
  margin-top: .6rem;
  padding: .6rem .85rem;
  border-radius: var(--r-md);
  font-size: .78rem;
  line-height: 1.5;
  background: var(--amber-50);
  border: 1px solid #FDE68A;
  color: var(--amber-700);
}
.onb-alert.blocking {
  background: var(--red-50);
  border: 1px solid var(--red-100);
  color: var(--red-700);
  font-weight: 500;
}
.field input.input-error,
#onb-coeff-val.input-error {
  border-color: var(--red-600) !important;
  box-shadow: 0 0 0 3px rgba(220,38,38,.12) !important;
}
.onb-coeff-error {
  font-size: .72rem;
  color: var(--red-600);
  margin-top: .35rem;
  font-weight: 500;
}
.year-warning {
  margin-top: .75rem;
  padding: .65rem .85rem;
  border-radius: var(--r-md);
  font-size: .78rem;
  line-height: 1.5;
  background: var(--amber-50);
  border: 1px solid #FDE68A;
  color: var(--amber-700);
}
.year-warning a {
  color: var(--blue-600);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}
.onb-recap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--blue-600);
  border-radius: var(--r-lg);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}
.onb-recap-title {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: .75rem;
}
.onb-recap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
}
.onb-recap-item { display: flex; flex-direction: column; gap: .15rem; }
.onb-recap-lbl { font-size: .68rem; color: var(--slate-400); }
.onb-recap-val { font-size: .95rem; font-weight: 700; color: var(--blue-700); }

/* ── PRINTING & PDF EXPORT ────────────────────────────────────── */
.print-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--blue-600);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}
.print-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--slate-900);
}
.print-logo span {
  color: var(--blue-600);
}
.print-date {
  font-size: .78rem;
  color: var(--slate-400);
}
.print-section {
  margin-bottom: 1.75rem;
}
.print-section-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--slate-400);
  border-bottom: 1px solid var(--border);
  padding-bottom: .4rem;
  margin-bottom: .85rem;
}
.print-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  font-size: .83rem;
  color: var(--slate-700);
}
.print-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}
@media (max-width: 480px) {
  .print-grid-3 {
    grid-template-columns: 1fr;
  }
}
.print-kpi {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: .75rem 1rem;
}
.print-kpi-lbl {
  font-size: .62rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: .2rem;
}
.print-kpi-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-900);
}
.print-f24-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 520px) {
  .print-f24-summary {
    grid-template-columns: 1fr;
  }
}
.print-f24-column {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1rem 1.25rem;
}
.print-f24-title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--slate-800);
  border-bottom: 1px solid var(--border);
  padding-bottom: .4rem;
  margin-bottom: .75rem;
  display: flex;
  justify-content: space-between;
}
.print-f24-total {
  color: var(--blue-600);
}
.print-f24-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.print-f24-list li {
  display: flex;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--slate-600);
}
.print-f24-list li strong {
  color: var(--slate-900);
}

@media print {
  /* Nascondi tutto tranne l'area stampabile */
  body > *:not(.shell) { display: none !important; }
  .app-nav,
  .stepper,
  .btn-row,
  .no-print,
  #tip-overlay { display: none !important; }

  /* Nascondi tutti gli step tranne il 7 */
  .section { display: none !important; }
  #step-7  { display: block !important; }

  /* Reset shell per stampa */
  .shell {
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  /* Card stampabile a tutta pagina */
  .printable-area {
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 2rem 2.5rem !important;
    margin: 0 !important;
    page-break-inside: avoid;
  }

  /* Griglia KPI: 3 colonne fisse */
  .print-grid-3 {
    display: grid !important;
    grid-template-columns: 1fr 1fr 1fr !important;
    gap: 1rem !important;
  }

  /* KPI card print */
  .print-kpi {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    padding: .75rem 1rem !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .print-kpi-lbl {
    font-size: 9px !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: .06em !important;
    color: #94a3b8 !important;
    margin-bottom: .25rem !important;
  }
  .print-kpi-val {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #0f172a !important;
  }

  /* F24 colonne affiancate */
  .print-f24-summary {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 1.5rem !important;
  }
  .print-f24-column {
    border: 1px solid #e2e8f0 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
  }
  .print-f24-title {
    background: #f1f5f9 !important;
    padding: .6rem 1rem !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    color: #334155 !important;
    display: flex !important;
    justify-content: space-between !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .print-f24-total {
    color: #2563eb !important;
    font-weight: 700 !important;
  }
  .print-f24-list {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  .print-f24-list li {
    display: flex !important;
    justify-content: space-between !important;
    padding: .5rem 1rem !important;
    font-size: 11px !important;
    border-bottom: 1px solid #f1f5f9 !important;
    color: #475569 !important;
  }
  .print-f24-list li:last-child { border-bottom: none !important; }
  .print-f24-list li strong {
    font-weight: 700 !important;
    color: #0f172a !important;
  }

  /* Header stampa */
  .print-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: baseline !important;
    margin-bottom: 1.5rem !important;
    padding-bottom: 1rem !important;
    border-bottom: 2px solid #2563eb !important;
  }
  .print-logo {
    font-size: 18px !important;
    font-weight: 800 !important;
    color: #0f172a !important;
    letter-spacing: -.02em !important;
  }
  .print-logo span { color: #2563eb !important; }
  .print-date {
    font-size: 11px !important;
    color: #94a3b8 !important;
  }

  /* Sezioni */
  .print-section {
    margin-bottom: 1.5rem !important;
  }
  .print-section-title {
    font-size: 9px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: .08em !important;
    color: #94a3b8 !important;
    margin-bottom: .75rem !important;
    padding-bottom: .35rem !important;
    border-bottom: 1px solid #e2e8f0 !important;
  }
  .print-grid-2 {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: .4rem .75rem !important;
    font-size: 11px !important;
    color: #334155 !important;
  }
  .print-grid-2 strong { color: #0f172a !important; }

  /* Formato pagina */
  @page {
    size: A4 portrait;
    margin: 15mm 15mm 15mm 15mm;
  }
}