:root {
  --bg-color: #f4f7f6;
  --text-color: #333;
  --accent-color: #00adb5;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  text-align: center;
}
.container {
  padding: 20px;
  max-width: 500px;
}
#logo {
  width: 240px;
  height: 240px;
  margin: 0 auto;
  background-image: url(../images/logo.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 240px;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  letter-spacing: -1px;
}
p {
  font-size: 1.1rem;
  line-height: 1.6;
  opacity: 0.8;
}
.line {
  width: 50px;
  height: 4px;
  background-color: var(--accent-color);
  margin: 20px auto;
}
@media (max-width: 600px) {
  h1 { font-size: 2rem; }
}