/* ============ SAIQUANTO.IT — DESIGN SYSTEM v1 ============ */
:root{
  --paper:#F7F6F3; --panel:#FFFFFF; --ink:#232A2E; --muted:#5E6A70;
  --steel:#35505E; --accent:#D96A0B; --accent-ink:#8C4406;
  --line:#DFDCD4; --ok:#2E6B4F; --err:#9B2C2C;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:16px/1.6 "Segoe UI",system-ui,-apple-system,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:0 18px}
a{color:var(--accent-ink)}

/* --- Header / nav --- */
.site-head{border-bottom:1px solid var(--line);background:var(--panel)}
.site-head .wrap{display:flex;align-items:center;gap:16px;padding:14px 18px;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;letter-spacing:-.01em;color:var(--steel);text-decoration:none}
.brand i{font-style:normal;color:var(--accent)}
nav.main{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap}
nav.main a{font-size:13.5px;font-weight:600;color:var(--muted);text-decoration:none}
nav.main a:hover{color:var(--steel)}
nav.main a.cta-nav{color:#fff;background:var(--accent);padding:7px 14px;border-radius:7px}

/* --- Tipografia --- */
.eyebrow{font:700 12px/1 ui-monospace,Menlo,monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink)}
h1{font-size:clamp(28px,5.5vw,40px);line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--steel);margin:14px 0 16px}
h2{font-size:22px;font-weight:800;letter-spacing:-.01em;color:var(--steel);margin-bottom:16px}
p.lead{font-size:17px}
.muted{color:var(--muted)}
section{padding:44px 0}
.hero{padding:52px 0 46px;border-bottom:1px solid var(--line)}

/* --- Componenti --- */
.cta{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:14px 26px;font:700 16px inherit;cursor:pointer;text-decoration:none}
.note{font-size:13px;color:var(--muted);margin-top:10px}
.steps{display:grid;gap:14px;margin-top:8px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:flex;gap:14px}
.step b.n{font:800 20px ui-monospace,Menlo,monospace;color:var(--accent);flex:none}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.cards{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.card b{display:block;margin-bottom:6px;color:var(--steel)}
.card p{font-size:14px;color:var(--muted)}
.trust{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.trust li{margin:8px 0 8px 18px;font-size:14.5px}
.kpi{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:14px 16px;margin:10px 0;font-size:15px}
.kpi b{color:var(--steel)}
.bio{display:flex;gap:16px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.bio .ph{width:72px;height:72px;border-radius:50%;background:var(--line);flex:none;display:flex;align-items:center;justify-content:center;font:800 24px inherit;color:var(--steel)}
.bio p{font-size:14.5px}

/* --- Form --- */
.qbox{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;margin:10px 0 60px}
.rail{height:10px;border-radius:5px;background:repeating-linear-gradient(135deg,#EDEAE3 0 8px,#E3DFD6 8px 16px);overflow:hidden;margin-bottom:20px}
.rail i{display:block;height:100%;width:0;background:repeating-linear-gradient(135deg,var(--accent) 0 8px,#B85807 8px 16px);transition:width .3s}
.qsec{display:none}
.qsec.on{display:block}
.qsec h3{font-size:17px;color:var(--steel);margin-bottom:4px}
.qsec .sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.q{margin-bottom:18px}
.q label.t{display:block;font-weight:700;font-size:15px;margin-bottom:8px}
.opts{display:grid;gap:8px}
.opt{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:8px;padding:11px 12px;cursor:pointer;font-size:14.5px;background:#FCFBF9}
.opt:has(input:checked){border-color:var(--accent);background:#FBF1E6}
.opt input{accent-color:var(--accent)}
input[type=text],input[type=email],input[type=tel]{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;font:inherit;background:#FCFBF9}
.fnav{display:flex;justify-content:space-between;margin-top:22px;gap:10px}
button.ghost{background:transparent;border:1px solid var(--line);border-radius:8px;padding:12px 18px;font:600 14px inherit;color:var(--muted);cursor:pointer}
button.next{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:12px 22px;font:700 15px inherit;cursor:pointer}
.warn{color:var(--err);font-size:13px;margin-top:10px;display:none}
.doneBox{text-align:center;padding:12px 4px}
.doneBox .big{font-size:20px;font-weight:800;color:var(--ok);margin-bottom:10px}

footer{border-top:1px solid var(--line);padding:24px 0 40px;font-size:13px;color:var(--muted)}

/* ============ v1.1 — ENGAGEMENT ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}
.card,.step{transition:transform .18s ease,box-shadow .18s ease}
.card:hover,.step:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(35,42,46,.08)}
.ico{width:34px;height:34px;flex:none;color:var(--accent)}
.card .ico{margin-bottom:10px;display:block}
.hero-num{font:800 clamp(34px,7vw,52px)/1 ui-monospace,Menlo,monospace;color:var(--accent);letter-spacing:-.02em}
/* Calcolatore */
.calc{background:var(--steel);color:#EDF2F1;border-radius:14px;padding:24px 20px}
.calc h2{color:#fff}
.calc label{display:block;font-weight:700;font-size:14px;margin:14px 0 8px}
.calc select,.calc input[type=range]{width:100%}
.calc select{border:0;border-radius:8px;padding:11px 12px;font:inherit;background:#EDF2F1;color:var(--ink)}
.calc input[type=range]{accent-color:var(--accent);height:34px}
.calc .res{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:16px;margin-top:16px;text-align:center}
.calc .res .n{font:800 40px/1.1 ui-monospace,Menlo,monospace;color:#FFB871}
.calc .res .e{font-size:14px;opacity:.85;margin-top:4px}
.calc .disc{font-size:12px;opacity:.65;margin-top:10px}
.calc .cta{margin-top:14px}
/* v1.2 — Illustrazioni SVG */
.illus{display:block;width:100%;height:auto;margin:26px 0 6px;border-radius:12px}
.illus-hero{margin-top:30px}