body {
  font-family: 'Inter', sans-serif;
  color: #333;
  background-color: #fff;
}
nav {
  background: transparent;
  transition: 0.3s;
}
nav.scrolled {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.navbar {
  transition: all 0.3s ease;
  background: transparent;
}
.navbar.scrolled {
  background: #fff !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.navbar-brand {
  font-weight: 700;
  color: #0d6efd !important;
}
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(to bottom right, #e8f0ff, #ffffff);
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 100;
  color: #0d6efd;
}
.hero p {
  color: #555;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 15px auto 30px;
}
.btn-primary {
  border-radius: 8px;
  padding: 10px 25px;
}
section {
  padding: 70px 0;
}
.section-title {
  text-align: center;
  font-weight: 700;
  color: #0d6efd;
  margin-bottom: 40px;
}
.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: 0.3s;
}
.card:hover {
  transform: translateY(-5px);
}
.footer {
  text-align: center;
  padding: 40px 10px;
  color: #777;
  font-size: 0.9rem;
  border-top: 1px solid #eee;
}