/* =====================================================================
   LE VECCHIE AUTO — design system "Officina / heritage motoristico"
   Palette:  osso #ECE8DF · inchiostro #1A1A1D · rosso corsa #B11226
             ottone #B08D57 · petrolio #12343B
   Type:     Fraunces (display) · Inter (corpo) · Space Mono (dati)
   ===================================================================== */

:root {
  --paper:  #ECE8DF;
  --paper-2:#E3DED2;
  --ink:    #1A1A1D;
  --ink-soft:#4A4A4E;
  --rosso:  #B11226;
  --rosso-d:#8C0E1E;
  --brass:  #B08D57;
  --petrol: #12343B;
  --line:   #cfc9ba;
  --card:   #FBF9F4;

  --radius: 4px;
  --shadow: 0 1px 0 var(--line), 0 12px 30px -18px rgba(18,52,59,.35);
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--rosso); text-decoration: none; }
a:hover { color: var(--rosso-d); }
img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Tipografia ---------- */
h1,h2,h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; line-height: 1.1; margin: 0 0 .4em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.mono { font-family: 'Space Mono', ui-monospace, monospace; }

/* Etichetta "targa smaltata" — elemento firma */
.targa {
  display: inline-flex; align-items: center; gap: .5ch;
  font-family: 'Space Mono', monospace;
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--paper); background: var(--petrol);
  padding: .35em .8em; border-radius: 3px;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: inset 0 0 0 2px var(--petrol), 0 0 0 1px var(--brass);
}
.targa--rosso { background: var(--rosso); box-shadow: inset 0 0 0 2px var(--rosso), 0 0 0 1px var(--brass); }

/* ---------- Navbar ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(236,232,223,.92);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex; align-items: baseline; gap: .5ch;
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 1.4rem;
  color: var(--ink); letter-spacing: -0.02em;
}
.brand b { color: var(--rosso); }
.brand small { font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.2em; color: var(--brass); text-transform: uppercase; align-self:center; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { color: var(--ink); font-weight: 500; padding: 8px 12px; border-radius: var(--radius); }
.nav-links a:hover { background: var(--paper-2); }
.nav-links .btn-accent { color:#fff; }
.nav-toggle { display:none; background:none; border:1px solid var(--line); border-radius:var(--radius); padding:8px 10px; cursor:pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; display:block; width:20px; height:2px; background:var(--ink); position:relative;
}
.nav-toggle span::before{ position:absolute; top:-6px; } .nav-toggle span::after{ position:absolute; top:6px; }

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5ch;
  font-weight: 600; font-size: .95rem;
  padding: 11px 20px; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; transition: .15s ease;
  text-decoration: none;
}
.btn-accent { background: var(--rosso); color: #fff; border-color: var(--rosso-d); }
.btn-accent:hover { background: var(--rosso-d); color:#fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-brass { background: var(--brass); color: #1a1a1d; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 7px 12px; font-size: .85rem; }

/* ---------- HERO / console di ricerca (signature) ---------- */
.hero { padding: clamp(48px, 8vw, 96px) 0 40px; text-align: center; }
.hero .eyebrow { margin-bottom: 20px; }
.hero h1 { max-width: 15ch; margin-inline: auto; }
.hero p.lead { color: var(--ink-soft); max-width: 52ch; margin: .6em auto 0; font-size: 1.05rem; }

.console {
  max-width: 640px; margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 10px;
}
.console form { display: flex; gap: 8px; }
.console input[type=text] {
  flex: 1; min-width: 0; border: none; background: transparent;
  font-size: 1.1rem; padding: 12px 14px; color: var(--ink);
  font-family: 'Inter', sans-serif;
}
.console .btn-accent { border-radius: 6px; flex: 0 0 auto; white-space: nowrap; }
.console input:focus { outline: none; }
.suggest { position: relative; max-width: 640px; margin: 32px auto 0; }
.suggest-list {
  position: absolute; left: 0; right: 0; top: calc(100% + 6px); z-index: 20;
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  overflow-y: auto; max-height: 60vh; box-shadow: var(--shadow); text-align: left;
}
.suggest-list div { padding: 11px 16px; cursor: pointer; border-bottom: 1px solid var(--line); }
.suggest-list div:last-child { border-bottom: none; }
.suggest-list div:hover { background: var(--paper-2); }

.counter { margin-top: 22px; font-family:'Space Mono',monospace; font-size:.85rem; color: var(--ink-soft); letter-spacing:.05em; }
.counter b { color: var(--rosso); }

/* ---------- Griglia catalogo ---------- */
.section { padding: 48px 0; }
.section-head { display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom: 26px; flex-wrap: wrap; }

.grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.card-part {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.card-part:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card-part .thumb { aspect-ratio: 4/3; background: var(--paper-2); overflow: hidden; position: relative; }
.card-part .thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-part .sold {
  position: absolute; top: 10px; left: 10px;
  background: var(--ink); color: #fff; font-family:'Space Mono',monospace;
  font-size:.68rem; letter-spacing:.12em; padding: 4px 8px; border-radius: 3px;
}
.card-body { padding: 14px 15px 16px; display:flex; flex-direction:column; gap: 8px; flex:1; }
.card-body h3 { font-size: 1.05rem; margin: 0; line-height: 1.25; }
.card-body h3 a { color: var(--ink); }
.card-body h3 a:hover { color: var(--rosso); }
.card-meta { display:flex; align-items:center; justify-content:space-between; margin-top:auto; }
.price { font-family:'Space Mono',monospace; font-weight:700; color: var(--rosso); font-size: 1.05rem; }
.ref { font-family:'Space Mono',monospace; font-size:.7rem; color: var(--ink-soft); letter-spacing:.08em; }

/* ---------- Dettaglio prodotto ---------- */
.detail { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; padding: 40px 0; }
.gallery .main { aspect-ratio: 4/3; background: var(--paper-2); border:1px solid var(--line); border-radius:8px; overflow:hidden; }
.gallery .main img { width:100%; height:100%; object-fit: contain; }
.thumbs { display:grid; grid-template-columns: repeat(auto-fill, minmax(72px,1fr)); gap:8px; margin-top:12px; }
.thumbs img { aspect-ratio:1; object-fit:cover; border:2px solid transparent; border-radius:4px; cursor:pointer; }
.thumbs img:hover, .thumbs img.active { border-color: var(--rosso); }
.detail .price-big { font-family:'Space Mono',monospace; font-weight:700; font-size:2rem; color: var(--rosso); margin:.2em 0; }
.spec { border-top:1px solid var(--line); margin-top: 18px; padding-top: 14px; }
.spec dl { display:grid; grid-template-columns: auto 1fr; gap:6px 18px; margin:0; }
.spec dt { font-family:'Space Mono',monospace; font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft); }
.spec dd { margin:0; }
.contact-actions { display:flex; flex-wrap:wrap; gap:10px; margin-top: 8px; }
.locked { background: var(--paper-2); border:1px dashed var(--brass); border-radius:6px; padding:16px; text-align:center; }

/* ---------- Form / auth ---------- */
.auth-wrap { max-width: 440px; margin: 60px auto; }
.panel { background: var(--card); border:1px solid var(--line); border-radius:8px; padding: 30px; box-shadow: var(--shadow); }
.field { margin-bottom: 16px; }
.field label { display:block; font-weight:600; font-size:.9rem; margin-bottom:6px; }
.field input, .field select, .field textarea {
  width:100%; padding: 11px 13px; border:1px solid var(--line); border-radius:var(--radius);
  background:#fff; font-family:'Inter',sans-serif; font-size:1rem; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline:2px solid var(--rosso); border-color:var(--rosso); }
.alert { padding:12px 16px; border-radius:var(--radius); margin-bottom:18px; }
.alert-danger { background:#f8dde0; color:#7a0d1a; border:1px solid #e7a9b0; }
.alert-success{ background:#dceede; color:#1c5a2c; border:1px solid #a9d3b3; }
.alert-info   { background:#dde8ee; color:#12343B; border:1px solid #a9c4d3; }

/* ---------- Footer ---------- */
.site-footer { background: var(--petrol); color: #d6d0c4; margin-top: 60px; }
.site-footer a { color: #efe9dc; }
.site-footer .container { padding-top: 40px; padding-bottom: 30px; }
.foot-grid { display:grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.site-footer h4 { font-family:'Space Mono',monospace; font-size:.75rem; letter-spacing:.15em; text-transform:uppercase; color: var(--brass); margin: 0 0 12px; }
.foot-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top:28px; padding-top:18px; font-size:.85rem; color:#a9a598; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; }

/* ---------- Empty / stati ---------- */
.empty { text-align:center; padding: 60px 20px; color: var(--ink-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .detail { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display:block; }
  .nav-links {
    position: absolute; top: 68px; left:0; right:0;
    flex-direction: column; align-items: stretch;
    background: var(--paper); border-bottom:1px solid var(--line);
    padding: 10px 16px; gap: 4px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
}

/* Focus visibile per accessibilità */
:focus-visible { outline: 2px solid var(--rosso); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto; } }