:root {
  --color-white: #f3f3f3;
  --color-lightgray: #b0b0bf;
  --color-darkgray-alpha: rgba(37, 37, 41, 0.8);
}

html {
  box-sizing: border-box;
  font-size: 16px;
  font-family: "Roboto";
}

body {
  width: 100%;
  height: 100vh;
  background-color: black;
  position: relative;
  margin: 0;
  padding: 0;
}

body::before {
  content: "";
  position: fixed;
  width: 100%;
  height: 100%;
  background-image: url(images/mixer.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.5;
  z-index: -1;
}

.survey-header {
  margin: 0 auto;
  width: 60%;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--color-darkgray-alpha);
  border-radius: 10px;
}
h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  color: var(--color-white);
  margin-bottom: 0;
  text-align: center;
}

hr {
  background-color: var(--color-lightgray);
  height: 0.5rem;
  width: 50%;
  height: 2px;
  border: none;
}

p {
  font-size: 1.5rem;
  color: var(--color-white);
  margin-top: 0;
  text-align: center;
}

.form-container {
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  width: 60%;
  background-color: var(--color-darkgray-alpha);
  margin-top: 50px;
  border-radius: 10px;
  padding-bottom: 3rem;
}

form {
  display: flex;
  flex-direction: column;
  margin-top: 85px;
  display: flex;
  justify-content: center;
  align-items: center;
}

label {
  color: var(--color-white);
  font-size: 1.5rem;
}
.info-input {
  margin-top: 0.5rem;
  width: 30rem;
  height: 1.5rem;
}
.name-container {
  margin-bottom: 20px;
}
.phone-container {
  margin-bottom: 20px;
}

.email-container {
  margin-bottom: 50px;
}

select {
  width: 30rem;
  height: 2rem;
}
.dropdown-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 50px;
}
.dropdown-label {
  width: 30rem;
  margin-bottom: 20px;
}
.radio-container {
  display: flex;
  flex-direction: column;
  margin-bottom: 50px;
}

.radio-title {
  width: 30rem;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.radio-input {
  margin: 0;
  transform: translateY(-1px);
}

.checkbox-container {
  display: flex;
  flex-direction: column;
  margin-bottom: 50px;
}
.checkbox-title {
  width: 30rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.checkbox-input {
  margin: 0;
  transform: translateY(-1px);
}
.textarea-container {
  display: flex;
  flex-direction: column;
  margin-bottom: 30px;
}
.textarea-title {
  width: 30rem;
}
.textarea-input {
  width: 30rem;
  height: 8rem;
}
.submit-input {
  width: 30rem;
  height: 2.5rem;
  background-color: rgb(135, 128, 128);
  border: none;
  font-size: 1.5rem;
  border-radius: 5px;
  color: var(--color-white);
  cursor: pointer;
}
.submit-input:hover {
  opacity: 50%;
}

@media (max-width: 900px) {
  .info-input {
    width: 25rem;
  }
  .dropdown-label {
    width: 25rem;
  }
  #dropdown {
    width: 25rem;
  }
  .radio-title {
    width: 25rem;
  }
  .checkbox-title {
    width: 25rem;
  }
  .textarea-title {
    width: 25rem;
  }
  .textarea-input {
    width: 25rem;
  }
  .submit-input {
    width: 25rem;
  }
}
@media (max-width: 750px) {
  .info-input {
    width: 20rem;
  }
  .dropdown-label {
    width: 20rem;
  }
  #dropdown {
    width: 20rem;
  }
  .radio-title {
    width: 20rem;
  }
  .checkbox-title {
    width: 20rem;
  }
  .textarea-title {
    width: 20rem;
  }
  .textarea-input {
    width: 20rem;
  }
  .submit-input {
    width: 20rem;
  }
}
@media (max-width: 620px) {
  .info-input {
    width: 15rem;
  }
  .dropdown-label {
    width: 15rem;
  }
  #dropdown {
    width: 15rem;
  }
  .radio-title {
    width: 15rem;
  }
  .checkbox-title {
    width: 15rem;
  }
  .textarea-title {
    width: 15rem;
  }
  .textarea-input {
    width: 15rem;
  }
  .submit-input {
    width: 15rem;
  }
}
@media (max-width: 475px) {
  .survey-header {
    width: 90%;
  }
  .form-container {
    margin-top: 20px;
    width: 90%;
  }
  .info-input {
    width: 10rem;
  }
  .dropdown-label {
    width: 10rem;
  }
  #dropdown {
    width: 10rem;
  }

  .checkbox-title {
    width: 10rem;
  }
  .textarea-title {
    width: 10rem;
  }
  .textarea-input {
    width: 10rem;
  }
  .submit-input {
    width: 10rem;
  }
}