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

html, body {
  height: 100%;
  font-family: Arial, sans-serif;
  color: #fff;
}

body {
  background: url("background.png") no-repeat center center fixed;
  background-size: cover;
  position: relative;
}

.overlay {
  background: rgba(0, 0, 0, 0.6);
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
}

.container {
  position: relative;
  z-index: 2;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
}

.logo {
  width: 800px;
  max-width: 80vw;
  margin-bottom: 30px;
}

h1 {
  font-size: 2.0em;
  margin-bottom: 20px;
  color: white;
}

.intro {
  font-size: 1.2em;
  max-width: 1000px;
  margin-bottom: 30px;
  line-height: 1.5;
}

.buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  background-color: #ffffffcc;
  color: #000;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s;
}

.btn:hover {
  background-color: #fff;
}