body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #0b0b0b;
  color: #fff;
}

/* NAV */
nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 50px;
  background: #111;
}

nav a {
  color: #ccc;
  margin-left: 20px;
  text-decoration: none;
}

nav a:hover {
  color: #00c3ff;
}

/* HERO */
.hero {
  height: 90vh;
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
              url('https://images.unsplash.com/photo-1581092160607-ee22731c9c6b');
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-text h1 {
  font-size: 3.5em;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: #00c3ff;
  color: black;
  text-decoration: none;
  border-radius: 6px;
}

/* FEATURES */
.features {
  display: flex;
  justify-content: space-around;
  padding: 60px;
}

.card {
  background: #111;
  padding: 30px;
  border-radius: 10px;
  width: 250px;
  text-align: center;
}

/* MACHINES */
.machines {
  padding: 60px;
  text-align: center;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.box {
  background: #111;
  padding: 40px;
  border-radius: 10px;
}

/* CTA */
.cta {
  text-align: center;
  padding: 60px;
  background: #111;
}