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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f3f0;
  color: #333;
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, #2c2c2c, #8b0000);
  color: white;
  padding: 80px 20px;
  text-align: center;
}

header .hero h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
}

header .subtitle {
  font-size: 1.3rem;
  margin-bottom: 25px;
}

.download-btn {
  background: #d4af37;
  color: black;
  padding: 15px 30px;
  text-decoration: none;
  font-size: 1.2rem;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  display: inline-block;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.2);
}

.download-btn:hover {
  background: #e6c14a;
  transform: scale(1.05);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 50px 20px;
  max-width: 1000px;
  margin: auto;
}

.feature {
  background: white;
  padding: 25px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0px 4px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

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

.feature h2 {
  color: #8b0000;
  margin-bottom: 10px;
}

footer {
  background: #1c1c1c;
  color: #ccc;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}