@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");

body {
  font-family: "Roboto", sans-serif;
  background-color: #e0e0e0;
  margin: 0;
  padding: 0;
}

header {
  background-color: #ccc;
  padding: 20px 0;
  text-align: center;
  border-bottom: 1px solid #aaa;
  box-shadow: 7px 7px 15px #999, -7px -7px 15px #fff;
}

header h1 {
  color: #333;
  font-size: 36px;
  margin: 0;
}

header p {
  color: #666;
  font-size: 16px;
  margin: 0;
}

main {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  background-color: #e0e0e0;
  border-radius: 10px;
  box-shadow: 7px 7px 15px #999, -7px -7px 15px #fff;
}

main h2 {
  font-size: 28px;
  margin: 0 0 20px;
}

main p,
main ol {
  font-size: 18px;
  line-height: 1.5;
  margin: 0 0 20px;
}

main li {
  margin-bottom: 10px;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.robot {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.robot img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 5px 5px 10px #999, -5px -5px 10px #fff;
}

.robot-info {
  flex: 1;
}

article {
  border-top: 1px solid #aaa;
  padding-top: 20px;
  margin-bottom: 20px;
}

article:last-child {
  border-bottom: 1px solid #aaa;
  padding-bottom: 20px;
}

html {
  scroll-behavior: smooth;
}

.button {
  display: inline-block;
  border: none;
  background-color: gray;
  color: white;
  text-align: center;
  font-size: 16px;
  padding: 15px 32px;
  transition: all 0.3s;
  cursor: pointer;
  border-radius: 5px;
  position: relative;
  overflow: hidden;
}

.button:before {
  content: "🤖";
  position: absolute;
  font-size: 40px;
  left: 10px;
  top: -20px;
  transition: all 0.3s;
}

.button:hover {
  background-color: darkgray;
  box-shadow: 0 12px 16px 0 rgba(0, 0, 0, 0.24),
    0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

.button:hover:before {
  top: 4px;
}