:root {
  --bg: #132b4a; /* navy più chiaro */
  --card: #1b3d61; /* pannelli più chiari */
  --text: #eef2ff;
  --muted: #e6f0ff; /* azzurro tenue più chiaro */
  --primary: #22c55e; /* verde */
  --primary-700: #16a34a; /* verde scuro */
  --accent: #38bdf8; /* azzurro */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1000px 500px at 20% -20%, rgba(77,163,255,0.12), transparent),
              radial-gradient(800px 400px at 120% 0%, rgba(0,217,178,0.10), transparent),
              var(--bg);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.topbar {
  font-size: 13px;
  color: var(--muted);
  background: #143556;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: saturate(180%) blur(10px);
  background: linear-gradient(180deg, rgba(27, 61, 97, 0.9), rgba(27, 61, 97, 0.7));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  display: inline-grid;
  align-items: center;
  text-decoration: none;
}
.logo img { height: 64px; width: auto; display: block; }
.nav { display: flex; align-items: center; flex-wrap: wrap; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
}
.nav a:hover { color: var(--accent); }

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.08);
}
.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-700));
  color: #ffffff;
  border: none;
  box-shadow: 0 10px 20px rgba(22, 163, 74, 0.30);
}
.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(56,189,248,0.5);
}
.btn-secondary:hover { color: #ffffff; border-color: rgba(56,189,248,0.8); }

.btn-accent {
  background: linear-gradient(180deg, var(--accent), #1997d6);
  color: #ffffff;
  border: none;
  box-shadow: 0 10px 20px rgba(56,189,248,0.30);
}

.hero {
  padding: 64px 0 24px;
}
.hero-themed {
  background: radial-gradient(900px 450px at 75% 15%, rgba(56,189,248,0.18), transparent),
              radial-gradient(700px 350px at 0% 0%, rgba(34,197,94,0.14), transparent);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}
.hero-copy h1 { font-size: 42px; margin: 0 0 14px; }
.hero-copy p { font-size: 18px; color: var(--muted); margin: 0 0 20px; }
.cta .btn { margin-right: 10px; }
.hero-art img {
  width: 100%;
  max-width: 520px;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.45));
}

.section { padding: 40px 0; }
.section h2 { margin: 0 0 16px; }
.section p { color: var(--muted); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: stretch;
}
.feature {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 12px;
  padding: 18px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 190px;
}
.feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(300px 150px at 20% -20%, rgba(96,165,250,0.12), transparent);
  pointer-events: none;
}
.feature-icon { font-size: 24px; margin-bottom: 8px; color: var(--accent); }
.feature h3 { margin: 0 0 8px; }
.feature p { margin: 0; color: var(--muted); }

.how-steps { color: var(--muted); }
.how-steps li { margin-bottom: 8px; }

.panel-gallery {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: stretch;
}
.panel-shot {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
}
.panel-shot img {
  width: 100%;
  display: block;
  border-radius: 6px;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.35));
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.panel-shot figcaption {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.download .note { color: var(--muted); font-size: 14px; }

.contact-form { background: var(--card); border: 1px solid rgba(255,255,255,0.06); border-radius: 12px; padding: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #0e1726;
  color: var(--text);
}
.contact-form button { margin-top: 12px; }

.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 0; }
.site-footer p { color: var(--muted); }
.footer-links { margin-top: 8px; }
.footer-links a { color: var(--muted); text-decoration: none; margin-right: 12px; }
.footer-links a:hover { color: var(--text); }

.footer-award {
  margin-top: 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  background: #173a5f;
  border: 1px solid rgba(56,189,248,0.30);
  border-radius: 12px;
  padding: 12px;
}
.footer-badge { height: 56px; width: auto; display: block; }
.footer-award-text { color: var(--muted); font-size: 14px; line-height: 1.35; }
.footer-award-text .strong { color: var(--text); font-weight: 600; }

@media (max-width: 600px) {
  .footer-award { grid-template-columns: 1fr; text-align: center; }
  .footer-badge { margin: 0 auto; }
  .logo img { height: 40px; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .panel-gallery { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .panel-gallery { grid-template-columns: 1fr; }
}

/* Posizionamento dedicato per la seconda riga: 2 card centrate su 3 colonne */
/* Rimosso posizionamento manuale per supportare 6 card (3+3) in modo naturale */
.partners-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.partners-row { align-items: stretch; }
.partner { background: #173a5f; border: 1px dashed rgba(56,189,248,0.45); border-radius: 10px; padding: 14px; text-align: center; color: var(--muted); height: 100%; display: grid; place-items: center; }
.partner a { display: grid; grid-template-rows: auto auto; gap: 8px; place-items: center; text-decoration: none; color: var(--muted); width: 100%; }
.partner img { max-height: 64px; width: auto; display: block; filter: drop-shadow(0 8px 18px rgba(0,0,0,0.35)); }
.partner span { font-size: 13px; }

@media (max-width: 900px) {
  .partners-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .partners-row { grid-template-columns: 1fr; }
}