:root {
  --primary-color: #1a73e8;
  --secondary-color: #f2f2f2;
  --text-color: #333;
  --bg-color: #fff;
  --font-family: 'Segoe UI', sans-serif;
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 1rem;
}

header {
  background: var(--primary-color);
  color: white;
  padding: 1rem 0;
}

header h1 {
  margin-bottom: 0.5rem;
}

nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  padding-top: 0.5rem;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.hero {
  background: var(--secondary-color);
  text-align: center;
  padding: 4rem 1rem;
}

.hero .btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

section {
  padding: 3rem 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background: var(--secondary-color);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input, textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
}

button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem;
  cursor: pointer;
  border-radius: 5px;
  font-size: 1rem;
}

footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 3rem;
}