body {
  margin: 0;
  background: #1e1533;
  font-family: 'Inter', sans-serif;
  color: white;
}

/* Perfect laptop-centered width */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar {
  background: #1a1230;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.navbar .logo {
  font-size: 20px;
  font-weight: 600;
}

.navbar nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #cfcce4;
  font-size: 14px;
  transition: color .2s ease;
}

/* NAV HOVER EFFECT */
.navbar nav a:hover {
  color: #ffffff;
}

.hero {
  text-align: center;
  padding: 60px 0;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
}

.wallet-btn {
  padding: 12px 28px;
  background: #6d55ff;
  border: none;
  border-radius: 25px;
  color: white;
  cursor: pointer;
  margin-top: 28px;
  margin-bottom: 40px;
  font-size: 16px;
  transition: transform .2s ease, box-shadow .3s ease;
}

/* WALLET HOVER EFFECT */
.wallet-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 18px rgba(109, 85, 255, 0.65);
}

/* Laptop card row */
.cards {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 40px 0 70px;
}

.card {
  background: #251c3f;
  border-radius: 12px;
  width: 30%;
  padding: 18px;
  text-align: center;
  transition: transform .25s ease, box-shadow .3s ease;
  cursor: pointer;
}

/* CARD HOVER EFFECT */
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.4);
}

/* IMAGE HOVER ZOOM */
.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 12px;
  transition: transform .3s ease;
}

.card:hover img {
  transform: scale(1.05);
}

.chart-btn {
  margin-top: 12px;
  width: 100%;
  padding: 10px;
  background: #17142b;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}

/* CHART BUTTON HOVER */
.chart-btn:hover {
  background: #2a244e;
  transform: translateY(-3px);
}

/* Stack only on small screens */
@media(max-width: 850px) {
  .cards {
    flex-direction: column;
    align-items: center;
  }
  .card {
    width: 100%;
  }
}