@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  font-family: "DM Sans", serif;
}

body, html {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.quiet {
  background-color: #1d2d2d;
}

.toggle-checkbox {
  position: absolute;
  opacity: 0;
  height: 0;
  width: 0;
}

.toggle-slot {
  font-size: 10px;
  position: relative;
  height: 35vh;
  width: 70vh;
  border-radius: 100vh;
  background-color: rgba(199, 230, 204, 0.8);
  transition: background-color 250ms;
}

.toggle-checkbox:checked ~ .toggle-slot {
  background-color: #4d6f47;
}

.toggle-button {
  transform: translate(3vh, 2.5vh);
  position: absolute;
  height: 30vh;
  width: 30vh;
  border-radius: 50%;
  background-color: #3d5c40;
  transition: background-color 250ms, transform 500ms cubic-bezier(.5, 1.8,.46,.71);
}

.toggle-checkbox:checked ~ .toggle-slot .toggle-button {
  background-color: #d0e1c1;
  transform: translate(36.5vh, 2.5vh);
}

.head {
  position: fixed;
  display: flex;
  padding: 50px 100px; 
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1001;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  transition: 0.5s;
}

header.sticky {
  padding: 40px 100px;
  background: #f8f8f8;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

header .logo {
  font-size: 25px;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 2px;
  color: #75bc77; 
  position: sticky;
  z-index: 1000;
}

header ul {
  position: relative;
  display: flex;
  list-style: none;
}

header ul li a {
  position: relative;
  display: inline-block;
  margin: 0 15px;
  text-decoration: none;
  color: #75bc77; 
}