:root {
  --primary: #4f46e5;
  --background: #f9fafb;
  --text: #111827;
  --gray: #6b7280;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
}

header {
  background-color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
  font-size: 1.5rem;
  color: var(--primary);
}

nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: var(--gray);
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover {
  color: var(--primary);
}

.hero {
  padding: 4rem 2rem;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--gray);
  margin-bottom: 2rem;
}

.hero button {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

.hero button:hover {
  background-color: #4338ca;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 3rem 2rem;
  background: white;
}

.feature {
  background: var(--background);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.feature h3 {
  margin-bottom: 0.5rem;
  color: var(--primary);
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: var(--gray);
}