:root {
  --bg: #ffffff;
  --fg: #1c2330;
  --muted: #5b6577;
  --accent: #003c69;
  --accent-light: #9acaf0;
  --surface: #f4f6fa;
  --border: #dde2ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141d;
    --fg: #e8ecf4;
    --accent: #4f9be0;
    --muted: #9aa5b8;
    --surface: #182030;
    --border: #2a3448;
  }
}
* { box-sizing: border-box; }
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
}
main { flex: 1 0 auto; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 108px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { height: 88px; width: auto; display: block; }
@media (max-width: 560px) {
  .site-header .wrap { height: 84px; }
  .brand img { height: 66px; }
}
@media (prefers-color-scheme: dark) {
  /* il logo e' blu scuro: su fondo scuro lo appoggio su un riquadro chiaro */
  .brand { background: #fff; border-radius: 8px; padding: 4px 8px; }
}
.main-nav { display: flex; gap: 20px; }
.main-nav a { color: var(--fg); text-decoration: none; }
.main-nav a:hover { color: var(--accent); }

.hero {
  padding: 56px 0;
  color: #fff;
  background: linear-gradient(135deg, #003c69 0%, #0b5a9e 60%, #2d83cf 100%);
}
.hero-grid { display: grid; gap: 32px; align-items: center; grid-template-columns: 1.1fr 1fr; }
.hero h1 { margin: 0 0 14px; font-size: clamp(1.8rem, 4.5vw, 2.8rem); line-height: 1.15; }
.lead { margin: 0 0 24px; color: #dbeafb; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 11px 22px; border-radius: 8px; font-weight: 600; text-decoration: none; }
.btn-light { background: #fff; color: #003c69; }
.btn-light:hover { background: #e8f3fd; }
.btn-outline { border: 2px solid #9acaf0; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.hero-art { width: 100%; height: auto; max-height: 320px; filter: drop-shadow(0 10px 24px rgba(0,0,0,.25)); }

.services { padding: 56px 0; }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { padding: 22px; border: 1px solid var(--border); border-top: 4px solid var(--accent-light); border-radius: 10px; background: var(--surface); transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,60,105,.15); }
.icon { display: inline-flex; width: 48px; height: 48px; margin-bottom: 12px; align-items: center; justify-content: center; border-radius: 12px; background: var(--accent); }
.icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin: 0 0 8px; }
.card p { margin: 0; color: var(--muted); }

.strengths { padding: 8px 0 56px; }
.slides { position: relative; display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.slides::-webkit-scrollbar { display: none; }
.slides:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 12px; }
.slide { flex: 0 0 100%; scroll-snap-align: start; }
.strength { display: grid; gap: 32px; align-items: center; grid-template-columns: 1.3fr 1fr; padding: 28px; border: 1px solid var(--border); border-left: 6px solid var(--accent); border-radius: 12px; background: var(--surface); }
.slider-controls { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 18px; }
.slider-btn { width: 40px; height: 40px; padding: 0; border: 0; border-radius: 50%; background: var(--accent); color: #fff; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.slider-btn:hover { filter: brightness(1.15); }
.slider-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.slider-dots { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.slider-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: var(--border); cursor: pointer; transition: background .2s, transform .2s; }
.slider-dot[aria-current="true"] { background: var(--accent); transform: scale(1.3); }
.strength h3 { margin: 0 0 10px; font-size: 1.3rem; color: var(--accent); }
.strength p { margin: 0; color: var(--muted); }
.strength-art { display: flex; justify-content: center; padding: 16px; border-radius: 12px; background: linear-gradient(135deg, #0b5a9e, #2d83cf); }
.strength-art svg { width: 100%; max-width: 220px; height: auto; }
@media (max-width: 760px) {
  .strength { grid-template-columns: 1fr; padding: 20px; }
}

.versions { padding: 0 0 56px; }
.version-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.version { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.version-head { padding: 16px 20px; background: var(--vc); color: var(--vt); }
.version-head h3 { margin: 0; font-size: 1.3rem; }
.version-body { padding: 20px; }
.version-target { margin: 0 0 14px; color: var(--muted); }
.version ul { margin: 0; padding: 0; list-style: none; }
.version li { position: relative; padding: 4px 0 4px 26px; }
.version li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 12px; border-radius: 50%; background: var(--vc); }
.version-tbd { margin: 12px 0 0; color: var(--muted); font-style: italic; }

.remote { padding: 40px 0 8px; }
.remote-inner { padding: 28px; border: 1px solid var(--border); border-left: 6px solid var(--accent-light); border-radius: 12px; background: var(--surface); box-shadow: 0 6px 20px rgba(0,60,105,.10); }
.remote h2 { margin: 0 0 6px; font-size: 1.5rem; color: var(--accent); }
.remote p { margin: 0 0 16px; color: var(--muted); }
.logmein-row { display: flex; gap: 8px; flex-wrap: wrap; }
.logmein input[name="Code"] {
  padding: 10px 12px; font-size: 1.1rem; letter-spacing: .1em; width: 11em;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--fg);
}
.btn-logmein123 {
  padding: 10px 22px; font-size: 1rem; cursor: pointer;
  border: 0; border-radius: 8px; background: var(--accent); color: #fff;
}
.btn-logmein123:hover { filter: brightness(1.1); }

.prefooter { padding: 40px 0; background: #0b5a9e; color: #fff; }
.prefooter-grid { display: grid; gap: 32px; grid-template-columns: 1.2fr 1fr 1fr; align-items: start; }
.prefooter h2 { margin: 0 0 12px; font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; color: #9acaf0; }
.prefooter ul { margin: 0; padding: 0; list-style: none; }
.prefooter li { margin-bottom: 6px; }
.prefooter a { color: #fff; text-decoration: none; }
.prefooter a:hover { text-decoration: underline; }
.pf-maker img { display: block; width: 100%; max-width: 220px; height: auto; }
@media (max-width: 760px) {
  .prefooter-grid { grid-template-columns: 1fr; gap: 24px; }
}

.site-footer { padding: 10px 0; background: #003c69; color: #fff; font-size: .75rem; text-align: center; }
.site-footer p { margin: 0; }

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-height: 220px; }
}
@media (max-width: 560px) {
  .main-nav { gap: 12px; font-size: .9rem; }
}