/* =====================================================================
   1 Click Computers — foglio di stile unico
   Sobrio, da studio tecnico: carta, inchiostro, un solo accento petrolio.
   Un solo carattere, Instrument Sans (self-hosted, nessun CDN); etichette
   e dati legali nel monospace di SISTEMA (nessun file da scaricare).
   Animazioni: solo la dissolvenza leggera allo scroll (.reveal), spenta
   con prefers-reduced-motion.
   Mobile-first; breakpoint 768 / 1100.
   ===================================================================== */

@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400 600;font-display:swap;src:url('../fonts/instrument-sans-standard-normal.woff2') format('woff2')}
@font-face{font-family:'Instrument Sans';font-style:italic;font-weight:400 600;font-display:swap;src:url('../fonts/instrument-sans-standard-italic.woff2') format('woff2')}

:root{
  --paper:    #f5f5f2;
  --surface:  #ffffff;
  --ink:      #15191e;
  --ink-soft: #4b525b;   /* testo secondario: ~7:1 su --paper */
  --line:     rgba(21,25,30,.12);
  --line-strong: rgba(21,25,30,.22);
  --accent:   #0e5a66;   /* petrolio: ~7:1 su --paper, AA anche sul testo piccolo */
  --accent-d: #0a4550;
  --accent-t: #dce9eb;   /* tinta dell'accento, solo per fondi */
  --ok:       #1d6b45;
  --err:      #a4302a;
  --font:     "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:     ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --r:        3px;
  --rl:       6px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--font);color:var(--ink);background:var(--paper);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-weight:600;line-height:1.12;letter-spacing:-.015em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
/* [hidden] deve vincere sul display dei componenti (lezione LMCB) */
[hidden]{display:none!important}
.wrap{width:min(1120px,calc(100% - 32px));margin-inline:auto}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.muted{color:var(--ink-soft)}

/* ---- etichette ---------------------------------------------------- */
.eyebrow,.num,.k{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.eyebrow{display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:20px;height:1px;background:currentColor}
.section-head{max-width:62ch;margin-bottom:34px}
.section-head h2{font-size:clamp(1.7rem,4.2vw,2.5rem);margin:14px 0 10px}
.section-head p{color:var(--ink-soft)}
section{padding:64px 0}
.sec-alt{background:var(--surface);border-block:1px solid var(--line)}

/* ---- bottoni ------------------------------------------------------ */
.btn{
  font-weight:600;font-size:.88rem;letter-spacing:.01em;
  padding:12px 20px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:background .18s,color .18s,border-color .18s;
}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-d)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:8px 14px;font-size:.8rem}
.btn-block{width:100%;padding:14px}

/* ============ TOP BAR ============ */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(245,245,242,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;min-width:0;flex:0 1 auto}
/* Logo: wordmark PNG 500×155, nero su trasparente. Altezza fissa,
   larghezza dal rapporto. Sul fondo scuro del footer si inverte via
   filtro: il trasparente resta trasparente, il nero diventa bianco e
   la fascia di "COMPUTERS" resta leggibile (lettere in negativo). */
.logo{height:30px;width:auto}
.logo-inv{filter:invert(1);height:34px}
.nav{display:flex;gap:26px;align-items:center}
.nav a{font-size:.88rem;color:var(--ink-soft);transition:color .18s}
.nav a:hover{color:var(--accent)}
.bar-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;align-items:center;gap:2px;font-family:var(--mono);font-size:.76rem}
.lang span{color:var(--line-strong)}
.lang-btn{background:none;border:0;color:var(--ink-soft);font-family:var(--mono);font-size:.76rem;cursor:pointer;padding:6px 5px}
.lang-btn:hover{color:var(--accent)}
.lang-btn.active{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:4px}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:4px}

/* ============ HERO ============ */
/* Fondo a reticolo da carta tecnica: statico, nessuna animazione. */
.hero{
  padding:84px 0 64px;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:48px 48px;
  background-position:-1px -1px;
}
.hero h1{font-size:clamp(2.1rem,7vw,4.2rem);max-width:15ch;margin:18px 0 20px;text-wrap:balance}
.hero .lead{font-size:clamp(1rem,2.2vw,1.18rem);color:var(--ink-soft);max-width:56ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-index{list-style:none;margin-top:48px;display:grid;border-top:1px solid var(--line-strong)}
.hero-index a{
  display:flex;gap:16px;align-items:baseline;padding:14px 2px;border-bottom:1px solid var(--line-strong);
  background:rgba(245,245,242,.85);font-weight:500;transition:color .18s;
}
.hero-index a:hover{color:var(--accent)}

/* ============ SERVIZI ============ */
.cards{display:grid;gap:16px}
.card{
  border:1px solid var(--line);border-radius:var(--rl);background:var(--paper);
  padding:26px 22px;display:flex;flex-direction:column;gap:12px;
}
.card h3{font-size:1.28rem}
.card p{color:var(--ink-soft);font-size:.96rem}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.tags li{font-family:var(--mono);font-size:.7rem;padding:4px 8px;border:1px solid var(--line-strong);border-radius:var(--r);color:var(--ink-soft)}
.card-link{margin-top:auto;padding-top:8px;font-weight:600;font-size:.9rem;color:var(--accent);display:inline-flex;gap:6px}
.card-link:hover{color:var(--accent-d);text-decoration:underline;text-underline-offset:4px}

/* ============ LAVORI ============ */
.works{display:grid;gap:22px}
.work{display:flex;flex-direction:column;gap:10px}
.work h3{font-size:1.14rem;margin-top:6px}
.work p{color:var(--ink-soft);font-size:.94rem}
/* Segnaposto immagine 16:10 — da sostituire con <img> (README) */
.shot{
  aspect-ratio:16/10;border:1px dashed var(--line-strong);border-radius:var(--rl);background:var(--surface);
  display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);
}

/* ============ CONTATTI ============ */
.contact-grid{display:grid;gap:34px}
.contact-h2{font-size:clamp(1.7rem,4.2vw,2.5rem);margin:14px 0 10px}
.contact-quick{list-style:none;display:grid;gap:14px;margin-top:26px}
.contact-quick li{display:grid;gap:2px}
.contact-quick a{border-bottom:1px solid var(--line-strong);justify-self:start;padding-bottom:1px}
.contact-quick a:hover{border-color:var(--accent);color:var(--accent)}
.contact-form{display:grid;gap:14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--rl);padding:22px}
.row{display:grid;gap:14px}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:.8rem;font-weight:600;color:var(--ink-soft)}
.field input,.field select,.field textarea{
  font-size:.95rem;color:var(--ink);background:#fff;
  border:1px solid var(--line-strong);border-radius:var(--r);padding:11px 12px;width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-t)}
.field textarea{resize:vertical;min-height:120px}
/* honeypot: fuori vista senza uscire dal viewport (niente left:-9999px,
   che allarga il documento — misurato su LMCB) */
.hp{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;border:0!important;opacity:0}
.mathcaptcha{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.mathcaptcha label{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--ink-soft)}
.mathcaptcha input{max-width:110px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.84rem;color:var(--ink-soft);line-height:1.5}
.consent input{margin-top:3px;flex:none;width:16px;height:16px;accent-color:var(--accent)}
.consent a{text-decoration:underline}
.form-msg{font-size:.88rem;min-height:1.2em}
.form-msg.ok{color:var(--ok)}
.form-msg.err{color:var(--err)}

/* ============ FOOTER ============ */
.site-foot{background:var(--ink);color:rgba(245,245,242,.78);padding:46px 0 40px}
.foot-top{display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;justify-content:space-between;padding-bottom:26px;border-bottom:1px solid rgba(245,245,242,.14)}
.foot-nav{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.9rem}
.foot-nav a:hover{color:#fff}
/* blocco dati legali — impianto del .legal di tourpilot.it */
.legal{padding-top:24px}
.legal-brand{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;margin-bottom:14px}
.legal-brand strong{color:#fff;font-weight:600}
.legal-grid{display:flex;flex-wrap:wrap;gap:8px 26px}
.legal-item{font-family:var(--mono);font-size:.72rem;letter-spacing:.03em;line-height:1.6}
.legal-item > span{color:rgba(245,245,242,.55)}
.legal-item a{text-decoration:underline;text-underline-offset:3px}
.legal-item a:hover,.legal-links a:hover{color:#fff}
.legal-links{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:20px;font-family:var(--mono);font-size:.72rem;color:rgba(245,245,242,.55)}
.legal-links a{text-decoration:underline;text-underline-offset:3px;color:rgba(245,245,242,.78)}

/* ============ COOKIE (informativa) ============ */
#occ-cc{
  position:fixed;left:0;right:0;bottom:0;z-index:1000;display:none;padding:14px 16px;
  background:var(--ink);color:var(--paper);border-top:1px solid rgba(245,245,242,.14);
}
#occ-cc .in{max-width:1120px;margin:0 auto;display:flex;gap:14px 20px;align-items:center;flex-wrap:wrap;justify-content:space-between}
#occ-cc p{font-size:.84rem;line-height:1.5;max-width:70ch;color:rgba(245,245,242,.86)}
#occ-cc a{text-decoration:underline;text-underline-offset:3px}
#occ-cc button{font-size:.84rem;font-weight:600;padding:9px 18px;border-radius:var(--r);cursor:pointer;border:1px solid var(--paper);background:var(--paper);color:var(--ink)}

/* ============ TORNA SU ============ */
.fab-top{
  position:fixed;right:16px;bottom:16px;z-index:900;width:42px;height:42px;border-radius:var(--r);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  background:var(--surface);color:var(--ink);border:1px solid var(--line-strong);
  opacity:0;pointer-events:none;transition:opacity .2s;
}
.fab-top.show{opacity:1;pointer-events:auto}
.fab-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}

/* ============ REVEAL ============ */
/* Solo con JS attivo (html.js): senza JS il contenuto resta visibile. */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* =====================================================================
   BREAKPOINT
   ===================================================================== */
@media (max-width:767px){
  .nav{
    position:fixed;inset:64px 0 auto 0;background:var(--paper);
    flex-direction:column;align-items:stretch;gap:0;display:none;
    border-bottom:1px solid var(--line);
  }
  .nav.open{display:flex}
  .nav a{padding:14px 16px;border-top:1px solid var(--line);font-size:1rem;color:var(--ink)}
  .nav-toggle{display:block}
  .topbar .btn{display:none}
  .bar-right{gap:6px}
  section{padding:52px 0}
  .hero{padding:56px 0 48px}
  .contact-form{padding:18px}
  /* spazio per il pulsante "torna su", che altrimenti copre la riga © */
  .site-foot{padding-bottom:76px}
}
@media (min-width:768px){
  .row{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:repeat(3,1fr)}
  .works{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:5fr 7fr;align-items:start}
  .hero-index{grid-template-columns:repeat(3,1fr);border-top:0}
  .hero-index a{border:1px solid var(--line-strong);border-right-width:0;padding:16px 18px}
  .hero-index li:last-child a{border-right-width:1px}
}
@media (min-width:1100px){
  section{padding:88px 0}
  .hero{padding:120px 0 96px}
  .card{padding:30px 28px}
}