/* ===========================================================
   CARROZZERIA DESTRO — Demo AI · Design system condiviso
   Token estratti dal sito reale carrozzeriadestro.it
   USO: <link rel="stylesheet" href="assets/shared.css">
   =========================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root{
  /* brand */
  --red:#e52222; --red2:#ff5b5b; --red-ink:#9f1119;
  --blue:#26a9e0; --green:#34a853; --wa:#25d366; --gold:#c9a86a;
  --dark:#07080b; --dark2:#0b0d12; --ink:#111827;
  --text:#202734; --muted:#667085; --paper:#ffffff; --soft:#f5f7fb;
  --line:rgba(17,24,39,.10); --line-strong:rgba(17,24,39,.16);
  --glass:rgba(255,255,255,.72);
  --shadow:0 28px 80px rgba(15,23,42,.16);
  --shadow2:0 18px 44px rgba(15,23,42,.10);
  --shadow-sm:0 6px 20px rgba(15,23,42,.08);
  --radius:28px; --radius-sm:16px; --radius-xs:12px;
  --max:1180px; --ease:cubic-bezier(.2,.8,.2,1);
  --accent:var(--red);
  --font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--font); color:var(--text);
  background:var(--soft); line-height:1.55; -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.02em;color:var(--ink);font-weight:800}
h1{font-size:clamp(30px,5vw,52px);font-weight:900}
h2{font-size:clamp(24px,3.4vw,36px)}
h3{font-size:20px}
p{margin:0 0 14px}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.center{text-align:center}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* eyebrow / badges */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:12.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(229,34,34,.10);color:var(--red-ink)}
.badge.green{background:rgba(37,211,102,.14);color:#0b7a3b}
.badge.neutral{background:var(--soft);color:var(--muted);border:1px solid var(--line)}
.badge.gold{background:rgba(201,168,106,.16);color:#8a6d2f}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);font-weight:600;font-size:14px}

/* ---------- top navigation (dark, con logo chiaro) ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(7,8,11,.90);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .inner{max-width:var(--max);margin:0 auto;padding:12px 22px;display:flex;
  align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:30px;width:auto}
.brand .wm{color:#fff;font-weight:800;letter-spacing:.02em;font-size:16px}
.topbar nav{display:flex;gap:22px;align-items:center}
.topbar nav a{color:rgba(255,255,255,.72);font-weight:600;font-size:14px}
.topbar nav a:hover,.topbar nav a.active{color:#fff}
.topbar .cta{background:var(--red);color:#fff;padding:9px 16px;border-radius:999px;font-weight:700;font-size:14px}
@media(max-width:640px){
  .topbar .inner{gap:12px}
  .topbar nav{flex:1 1 auto;min-width:0;overflow-x:auto;gap:16px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .topbar nav::-webkit-scrollbar{display:none}
  .topbar nav a{flex:0 0 auto;white-space:nowrap}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  border:0;font-family:inherit;font-weight:700;font-size:15px;padding:13px 22px;border-radius:999px;
  transition:transform .15s var(--ease),box-shadow .2s var(--ease),background .2s;}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 12px 28px rgba(229,34,34,.30)}
.btn-primary:hover{background:#c81c1c;box-shadow:0 16px 36px rgba(229,34,34,.38)}
.btn-dark{background:var(--dark);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-wa{background:var(--wa);color:#0a3d20}
.btn-block{width:100%}
.btn-lg{padding:16px 28px;font-size:16px}

/* ---------- cards & sections ---------- */
.section{padding:72px 0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:26px}
.card.flat{box-shadow:none}
.card.dark{background:var(--dark);color:#edf1f5;border-color:rgba(255,255,255,.08)}
.card.dark h1,.card.dark h2,.card.dark h3{color:#fff}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.icon-chip{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(229,34,34,.10);color:var(--red);font-size:22px}

/* ---------- phone frame (per mockup WhatsApp / mobile) ---------- */
.phone{width:380px;max-width:100%;background:var(--dark);border-radius:44px;padding:12px;
  box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.06)}
.phone .screen{background:#e9e3db;border-radius:34px;overflow:hidden;height:760px;display:flex;flex-direction:column}
.phone .notch{height:26px;display:flex;justify-content:center}
.phone .notch::after{content:"";width:120px;height:22px;background:var(--dark);border-radius:0 0 16px 16px}

/* WhatsApp look */
.wa-head{background:#075e54;color:#fff;padding:12px 14px;display:flex;align-items:center;gap:12px}
.wa-head .av{width:38px;height:38px;border-radius:50%;background:#fff;display:grid;place-items:center;overflow:hidden}
.wa-body{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:8px;
  background:#e5ddd5 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 0h40v40H0z' fill='%23e5ddd5'/%3E%3Ccircle cx='20' cy='20' r='1' fill='%23d9cfc4'/%3E%3C/svg%3E")}
.bubble{max-width:80%;padding:8px 11px;border-radius:10px;font-size:14px;box-shadow:0 1px 1px rgba(0,0,0,.08);position:relative}
.bubble .time{display:block;text-align:right;font-size:10.5px;color:#667781;margin-top:2px}
.bubble.in{background:#fff;align-self:flex-start;border-top-left-radius:2px}
.bubble.out{background:#dcf8c6;align-self:flex-end;border-top-right-radius:2px}
.bubble.sys{align-self:center;background:#fff6d6;color:#7a6a2f;font-size:12px;border-radius:8px;text-align:center}

/* ---------- chat (assistente sito) ---------- */
.chat{display:flex;flex-direction:column;gap:12px;padding:18px;min-height:420px}
.msg{max-width:78%;padding:12px 15px;border-radius:18px;font-size:15px;line-height:1.45}
.msg.bot{align-self:flex-start;background:var(--soft);border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.user{align-self:flex-end;background:var(--red);color:#fff;border-bottom-right-radius:4px}
.chat-input{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);background:var(--paper)}
.chat-input input{flex:1}
.quick{display:flex;gap:8px;flex-wrap:wrap;padding:0 14px 12px}
.quick button{cursor:pointer;font-family:inherit;font-weight:600;font-size:13.5px;padding:8px 14px;
  border-radius:999px;border:1.5px solid var(--line-strong);background:var(--paper);color:var(--ink)}
.quick button:hover{border-color:var(--red);color:var(--red)}
.typing{display:inline-flex;gap:4px;align-items:center}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* ---------- forms / preventivatore ---------- */
label{display:block;font-weight:600;font-size:13.5px;color:var(--ink);margin:0 0 6px}
input,select,textarea{width:100%;font-family:inherit;font-size:15px;color:var(--ink);
  padding:12px 14px;border:1.5px solid var(--line-strong);border-radius:var(--radius-xs);background:var(--paper);outline:none;transition:border .15s}
input:focus,select:focus,textarea:focus{border-color:var(--red)}
.field{margin-bottom:16px}
.steps{display:flex;gap:8px;margin-bottom:26px;flex-wrap:wrap}
.step{flex:1;min-width:120px;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-xs);
  background:var(--paper);border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--muted)}
.step .n{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-size:13px}
.step.active{border-color:var(--red);color:var(--ink)}
.step.active .n{background:var(--red);color:#fff}
.step.done .n{background:var(--green);color:#fff}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.choice{cursor:pointer;border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);padding:16px;text-align:center;transition:.15s;background:var(--paper)}
.choice:hover{border-color:var(--red);transform:translateY(-2px)}
.choice.sel{border-color:var(--red);background:rgba(229,34,34,.05)}
.choice .em{font-size:26px;margin-bottom:6px}
/* upload danno */
.dropzone{border:2px dashed var(--line-strong);border-radius:var(--radius-sm);padding:26px;text-align:center;color:var(--muted);cursor:pointer;background:var(--soft)}
.dropzone:hover{border-color:var(--red);color:var(--red)}
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
@media(max-width:560px){.photo-grid{grid-template-columns:repeat(2,1fr)}}
.photo-slot{aspect-ratio:4/3;border-radius:var(--radius-xs);background:var(--soft);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--muted);font-size:12px;position:relative;overflow:hidden}
.photo-slot.filled{background:linear-gradient(135deg,#c7cdd6,#9aa3b0);color:#fff}

/* ---------- footer ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.66);padding:40px 0;font-size:14px}
.footer .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.footer strong{color:#fff}

/* demo banner (etichetta "prototipo / demo non funzionante") */
.demo-flag{position:fixed;bottom:14px;left:14px;z-index:80;background:rgba(7,8,11,.92);color:#fff;
  padding:8px 14px;border-radius:999px;font-size:12px;font-weight:600;display:flex;gap:8px;align-items:center;box-shadow:var(--shadow2)}
.demo-flag .dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:blink 1.4s infinite}

/* helpers */
.stack{display:flex;flex-direction:column}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-0{margin-bottom:0}
.hide{display:none!important}