@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', sans-serif;
  background: #0b0f14;
  color: #e8eef6;
  text-align: center;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  padding: 40px 20px 20px;
  background: #10161d;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.logo {
  width: 70px;
  height: 70px;
  border-radius: 14px;
  margin-bottom: 10px;
}
h1 { font-size: 2rem; color: #2de689; }
header p { color: #9aa4b2; font-size: 1rem; }

main {
  flex: 1;
  padding: 40px 20px;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg,#2de689,#1fbf73);
  color: #0b1a11;
  font-weight: 700;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  margin-top: 20px;
  transition: 0.3s;
}
.btn:hover { transform: scale(1.05); }

.features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 50px;
}
.card {
  background: #111922;
  border: 1px solid #1b2230;
  border-radius: 12px;
  padding: 20px;
  max-width: 300px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}
.card:hover { transform: translateY(-5px); }
h3 { color: #2de689; margin-bottom: 10px; }

footer {
  background: #0f141b;
  padding: 15px;
  color: #8d98a6;
  font-size: 0.9rem;
}