:root {
  --bg: #0f1720;
  --bg-alt: #161f2b;
  --card: #1b2532;
  --text: #e6edf3;
  --text-dim: #9fb0c0;
  --accent: #4fd1c5;
  --accent-2: #f0a35c;
  --border: #263140;
  --radius: 8px;
  --maxw: 960px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
}
.brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
  text-decoration: none;
}

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 14px;
}
.hero .tagline {
  color: var(--accent);
  font-family: "Consolas", "Courier New", monospace;
  font-size: 1rem;
  margin-bottom: 20px;
}
.hero p {
  color: var(--text-dim);
  max-width: 640px;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
}
.btn-primary {
  background: var(--accent);
  color: #0f1720;
}
.btn-primary:hover { text-decoration: none; opacity: 0.9; }
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }

h2.section-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
  border-left: 3px solid var(--accent);
  padding-left: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.card .icon, .step .icon {
  width: 30px;
  height: 30px;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  color: var(--text);
}
.card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.tag {
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.78rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--accent-2);
  padding: 3px 9px;
  border-radius: 4px;
}

.contact-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 480px;
}
.contact-box .field {
  margin-bottom: 16px;
}
.contact-box .label {
  color: var(--text-dim);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.contact-box .value {
  font-size: 1.05rem;
}

.links-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.link-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.link-item .meta {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 6px;
  font-family: "Consolas", "Courier New", monospace;
}
.link-item .meta .source {
  color: var(--accent-2);
}
.link-item a.title {
  font-size: 1.05rem;
  font-weight: 600;
}
.link-item p {
  color: var(--text-dim);
  margin: 6px 0 0;
  font-size: 0.92rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.empty-state {
  color: var(--text-dim);
  font-style: italic;
}

.intro-block {
  max-width: 720px;
  color: var(--text-dim);
  margin-bottom: 40px;
}
.intro-block p { margin: 0 0 14px; }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
  counter-reset: step;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #0f1720;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 8px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

.faq {
  margin-bottom: 40px;
}
.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "+";
  color: var(--accent);
  font-weight: 700;
  margin-right: 10px;
  display: inline-block;
  width: 14px;
}
.faq details[open] summary::before { content: "–"; }
.faq p {
  color: var(--text-dim);
  margin: 12px 0 0;
  font-size: 0.94rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.map-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
}
.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 280px;
  border: 0;
  display: block;
}

/* Cookie consent */
#cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 18px 20px;
  box-shadow: 0 -4px 18px rgba(0,0,0,0.35);
}
#cookie-banner .cookie-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
#cookie-banner p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
  flex: 1 1 320px;
}
#cookie-banner .cookie-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
#cookie-banner button, #cookie-modal button {
  border-radius: var(--radius);
  padding: 9px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: inherit;
}
#cookie-banner button:hover, #cookie-modal button:hover { border-color: var(--accent); }
#cookie-banner .cookie-accept, #cookie-modal .cookie-accept {
  background: var(--accent);
  color: #0f1720;
  border-color: var(--accent);
}

#cookie-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#cookie-modal {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 480px;
  width: 100%;
  padding: 26px;
}
#cookie-modal h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}
#cookie-modal p.desc {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0 0 20px;
}
.cookie-cat {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.cookie-cat:first-of-type { border-top: none; }
.cookie-cat .cat-info strong { display: block; font-size: 0.95rem; }
.cookie-cat .cat-info span { color: var(--text-dim); font-size: 0.85rem; }
.cookie-cat input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
}
#cookie-modal .cookie-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.7rem; }
  .nav { flex-direction: column; align-items: flex-start; }
}

/* Fascia con immagine nella Home. L'immagine (830x207, formato 4:1) è mostrata intera
   in larghezza, senza ritagli né forti ingrandimenti: sta in alto e sfuma verso il basso
   nel colore di fondo; a sinistra una velatura rende leggibile il testo */
.hero-banner {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 56px 36px 44px;
  margin-top: 20px;
  background-color: var(--bg);
  background-image:
    linear-gradient(90deg, rgba(15,23,32,0.88) 0%, rgba(15,23,32,0.6) 45%, rgba(15,23,32,0.1) 100%),
    linear-gradient(180deg, rgba(15,23,32,0) 0%, rgba(15,23,32,0) 45%, var(--bg) 70%),
    url("immagini/banner-chip.jpg");
  background-repeat: no-repeat;
  background-position: center, center, top center;
  background-size: 100% 100%, 100% 100%, 100% auto;
  overflow: hidden;
}
.hero-banner p { color: #c3d0dc; }
@media (max-width: 600px) {
  .hero-banner { padding: 36px 20px 30px; }
}

/* Griglia a 4 colonne per i punti di forza (si riduce da sola su schermi stretti) */
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

/* Loghi dei produttori: riquadri chiari uniformi, così loghi a colori e monocromatici
   convivono sullo sfondo scuro del sito */
.brands {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 16px;
  margin-bottom: 44px;
}
.brand-tile {
  background: #f4f6f8;
  border-radius: var(--radius);
  height: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
}
.brand-tile img { max-height: 40px; max-width: 100%; }
.brand-tile span { color: #3a4654; font-size: 0.78rem; font-weight: 600; }
.brands-note { color: var(--text-dim); margin: -8px 0 20px; }

/* Fascia finale di invito al contatto */
.cta-band {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin-top: 10px;
}
.cta-band h2 { margin: 0 0 8px; font-size: 1.4rem; }
.cta-band p { color: var(--text-dim); margin: 0 0 18px; }

/* Finestre di codice "illustrative" (HTML, non immagini): barra con i tre pallini
   e codice colorato a mano con span: .k parola chiave, .t tipo, .f funzione,
   .n numero, .s stringa, .c commento, .p prompt del terminale */
.code-window {
  background: #0b1118;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  min-width: 0;
}
.code-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: #151e29;
  border-bottom: 1px solid var(--border);
}
.code-bar i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.code-bar i:nth-child(1) { background: #ff5f57; }
.code-bar i:nth-child(2) { background: #febc2e; }
.code-bar i:nth-child(3) { background: #28c840; }
.code-bar span { margin-left: 8px; color: var(--text-dim); font-size: 0.78rem; font-family: "Consolas", "Courier New", monospace; }
.code-window pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.8rem;
  line-height: 1.55;
  color: #d6deeb;
}
.code-window .k { color: #c792ea; }
.code-window .t { color: #82aaff; }
.code-window .f { color: #4fd1c5; }
.code-window .n { color: #f78c6c; }
.code-window .s { color: #c3e88d; }
.code-window .c { color: #637777; font-style: italic; }
.code-window .p { color: #4fd1c5; }
.code-window .ok { color: #28c840; }

/* Sezione testo + codice affiancati (in colonna su schermi stretti) */
.split {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 44px;
}
.split .split-text p { color: var(--text-dim); }
.split .split-text ul { color: var(--text-dim); padding-left: 18px; margin: 0; }
.split .split-text li { margin-bottom: 6px; }
@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; }
}
.code-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 44px;
}

/* Banner e impostazioni cookie quando il sito è dentro un iframe (vedi cookie-consent.js):
   niente position:fixed, che su iPhone/Safari dentro un iframe non riceve i tocchi */
#cookie-banner.cookie-inframe {
  position: relative;
  box-shadow: none;
  border-top: none;
  border-bottom: 1px solid var(--border);
}
#cookie-modal-overlay.cookie-inframe {
  position: relative;
  inset: auto;
  background: transparent;
  padding: 20px;
}