html {
  scroll-behavior: smooth;
  text-transform: uppercase;
  scroll-padding-top: 75px;
}

* {
  margin: 0;
  padding: 0;
}

/* body {
  background-image: url("/static/source/images/fon2.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
} */

:root {
  --main-color: linear-gradient(to right, #04697970, #b57d866d);
  --border-color: 3px solid #d2f9ff;
}

body {
  background: var(--main-color);
}

.header {
  width: 100%;
  display: flex;
  height: 55px;
  justify-content: center;
}

ul {
  list-style-type: none;
}

a {
  text-decoration: none;
  color: black;
}

#menu {
  margin: 0 auto;
  display: flex;
  position: fixed;
  width: 100%;
  max-width: 1200px;
  gap: 10%;
  justify-content: center;
  font-weight: bold;
  background: var(--main-color);
  border-radius: 0 0 20px 20px;
  align-items: center;
  height: 50px;
  border: var(--border-color);
}

#menu a {
  color: yellow;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 1);
}

h2 {
  text-align: center;
}

#advantages {
  width: 100%;
  height: 600px;
  margin: 0 auto;
}

li {
  text-align: right;
}

#questions {
  width: 100%;
  height: 600px;
}

#examples {
  width: 100%;
  height: 600px;
}

#contact {
  width: 100%;
  height: 300px;
}

#advantages h2,
#questions h2,
#examples h2,
#contact h2 {
  margin-top: 20px;
  margin-bottom: 40px;
  color: yellow;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 1);
}

#advantages,
#questions,
#examples,
#contact {
  padding-top: 20px;
  padding-bottom: 20px;
  margin: 20px auto;
  max-width: 1200px;
  background: var(--main-color);
  border-radius: 20px;
  border: var(--border-color);
}

footer {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  border-radius: 20px 20px 0 0;
  height: 50px;
  background: var(--main-color);
  border: var(--border-color);
}