body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0B0F1A;
  color: white;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 80px 20px;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(11,15,26,0.9);
  backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
}

nav a {
  margin: 0 15px;
  color: #bbb;
  text-decoration: none;
}

.logo {
  font-weight: 700;
}

/* HERO */
.hero {
  display: flex;
  align-items: center;
  gap: 40px;
}

.hero-left h1 {
  font-size: 56px;
}

.hero-left p {
  color: #aaa;
}

.hero-buttons {
  margin-top: 20px;
}

.hero-right img {
  width: 100%;
  max-width: 500px;
}

/* BUTTONS */
.btn-primary {
  background: linear-gradient(90deg, #3B82F6, #06B6D4);
  border: none;
  padding: 12px 22px;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

.btn-secondary {
  border: 1px solid #3B82F6;
  background: transparent;
  padding: 12px 22px;
  color: white;
  border-radius: 8px;
  margin-left: 10px;
}

/* TRUST */
.trust {
  text-align: center;
  padding: 40px;
  background: #111827;
}

/* FEATURES */
.features {
  display: flex;
  gap: 20px;
}

.card {
  background: #111827;
  padding: 25px;
  border-radius: 12px;
  flex: 1;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

/* HOW */
.how {
  display: flex;
  justify-content: center;
  align-items: center;
}

.step {
  background: #111827;
  padding: 12px 20px;
  border-radius: 8px;
}

.arrow {
  margin: 0 10px;
}

/* ARCHITECTURE */
.architecture h2 {
  text-align: center;
}

.architecture img {
  display: block;
  margin: 40px auto;
  max-width: 800px;
  width: 100%;
}

.architecture ul {
  text-align: center;
}

/* Chart */
.chart h2 {
  text-align: center;
}

.chart img {
  display: block;
  margin: 40px auto;
  max-width: 800px;
  width: 100%;
}

.chart ul {
  text-align: center;
}

/* USE CASES */
.usecases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

/* WHY */
.compare {
  display: flex;
  justify-content: space-between;
}

.compare ul {
  list-style: none;
  padding: 0;
}

/* CTA */
.cta {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(90deg, #3B82F6, #06B6D4);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 20px;
  color: #aaa;
}

/* RESPONSIVE */
@media(max-width: 900px) {
  .hero {
    flex-direction: column;
  }

  .features {
    flex-direction: column;
  }

  .usecases {
    grid-template-columns: 1fr;
  }

  .compare {
    flex-direction: column;
    gap: 30px;
  }
}