:root {
  --bg-dark: #070b10;
  --bg-light: #0f1623;
  --text-main: #eef2f7;
  --text-muted: #a0aec0;
  --accent: #00c8ff;
  --accent-warm: #ffb020;
}

h1 span,
h2 {
  text-shadow: 0 0 14px rgba(0, 200, 255, 0.18);
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: "Space Grotesk", sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
}

.hero {
  min-height: 100vh;
  background:
    radial-gradient(
      circle at 70% 45%,
      rgba(0, 200, 255, 0.18),
      transparent 60%
    ),
    linear-gradient(
      to bottom,
      rgba(7, 11, 16, 0.45),
      rgba(7, 11, 16, 0.85)
    ),
    url("assets/images/hero.jpg") center / cover no-repeat;
  padding: 40px;
}


.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.hero-content {
  max-width: 700px;
  margin-top: 120px;
}

.hero-content h1 {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-content span {
  color: var(--accent);
}

.hero-content p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.section {
  padding: 100px 40px;
  max-width: 1100px;
  margin: auto;
}


.section.dark {
  background: var(--bg-light);
}

.section.dark h2,
.section.dark h3 {
  color: var(--text-main);
}

.section.dark p {
  color: var(--text-muted);
}


.section h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.section.dark h2 {
  text-shadow: 0 0 14px rgba(0, 200, 255, 0.15);
}

.section-intro {
  max-width: 800px;
  color: var(--text-muted);
  font-size: 1.1rem;
}



.features,
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 64px;
  text-align: center;
}


.feature h3, .use-case h3 {
  margin-bottom: 10px;
  color: var(--accent);
}
.feature:hover .icon {
  filter: drop-shadow(0 0 14px rgba(0, 200, 255, 0.75));
  transform: translateY(-2px);
}

.feature {
  text-align: center;
  color: var(--accent);   /* QUESTO è il punto chiave */
}

.patent {
  margin-top: 40px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cta {
  text-align: center;
}

.cta p {
  margin: 20px 0 40px;
  color: var(--text-muted);
}

.footer {
  padding: 40px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-primary {
  background: var(--accent);
  color: #000;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 500;
}

.btn-outline {
  border: 1px solid var(--accent);
  padding: 10px 22px;
  border-radius: 30px;
  color: var(--accent);
}
.icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon svg {
  width: 100%;
  height: 100%;
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  filter: drop-shadow(0 0 8px rgba(0, 200, 255, 0.45));
}


.section,
.feature,
.use-case {
  animation: fadeUp 0.8s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.features,
.use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 64px;
  text-align: center;
}
.feature,
.use-case {
  max-width: 320px;
  margin: 0 auto;
}
.feature h3,
.use-case h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}