html {
  font-family: 'Open Sans', sans-serif;
  font-size: 62.5%;
}

body {
  font-size: 1.2rem;
  line-height: 1.5;
  margin: 0;
}

strong, b {
  font-weight: 600;
}

ol,
ul {
  padding-left: 2rem;
}

li {
  padding-left: 0.5rem;
}

a {
  text-decoration: none;
  font-weight: 600;
  color: #0079c1;
}

a:hover {
  color: #0065a1;
}

.signup__headline {
  font-size: 3rem;
  font-weight: 300;
  font-style: normal;
  margin: 1.5rem 0 2rem 0;
  color: #2a2a2a;
}

.signup__maintext {
  font-size: 1.4rem;
  color: #2a2a2a;
}

.signup__maintext--border {
  border-left: 3px solid #26bae3;
  padding: 0.5rem 0 0.5rem 2rem;
}

.signup__about-partner,
.signup__about-smartbrief {
  font-size: 1.4rem;
}

.header {
  margin-bottom: 1rem;
  padding: 0;
  color: #ffffff;
  background-color: #000000;
}

.header_no_sb_logo {
  margin-bottom: 1rem;
  padding: 0;
}

.header__container {
  display: block;
  max-height: 100%;
}

.header__logo {
  display: block;
  max-height: 80px;
  width: auto;
  height: auto;
}

.container {
  margin: 0 auto;
  padding: 1rem 2rem;
}

.form__submit {
  font-size: 1.4rem;
  height: 5rem;
  padding: 0 3rem;
  cursor: pointer;
  color: #ffffff;
  border: none;
  background: #0079c0;
}

.form__submit:hover {
  border: none;
  background: #0065a1;
}

.form__submit--left {
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group--nested {
  margin: 1.5rem 0 0 0;
}

.form__label {
  font-size: 1.4rem;
  color: #5b5a5a;
  display: block;
  margin-bottom: 0.5rem;
}

.form__label--primary {
  color: #2a2a2a;
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.form__label--checkbox {
  margin-top: 3px;
}

.form__field {
  font-size: 2rem;
  padding: 1.3rem;
  border: 1px solid #0065a1;
  outline: none;
  background: #ffffff;
  width: 100%;
}

.form__fieldset {
  border: 0;
  padding-left: 0;
  margin: 1rem 0;
}

.form__fieldset-section {
  margin-left: 0.5rem;
  font-size: 1.4rem;
  color: inherit;
}

.form__fieldset--checkbox {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
}

.form__fieldset-section:not(:last-child) {
  padding: 0 0 0.6rem 0;
}

.form__comment {
  font-size: 1.2rem;
  margin: 1rem 0;
  background: #f9f9f9;
  border-left: 6px solid #d9d9d9;
  padding: 0.7rem 1rem;
}

.signup-form__input {
  box-sizing: border-box;
  width: 100%;
}

.signup-form__right {
  display: flex;
  flex-direction: row;
}

.signup-form__text {
  color: #5b5a5a;
}

.signup-form__link {
  font-size: 1.4rem;
  margin: 2rem 0 0 3rem;
}

.signup-form__error {
  color: #cc4444;
  font-weight: 600;
  margin: 1rem 0;
  background: #f7eded;
  border-left: 3px solid #cc4444;
  padding: 0.7rem 1rem;
}

.partner-logo {
  max-width: 100%;
}

.testimonial, .co-registration {
  background: #f6f6f6;
  font-size: 1.4rem;
  margin-top: 2rem;
}

.testimonial {
  padding: 3rem;
}

.co-registration {
  padding: 2rem
}

.co-registration__headline, .co-registration__description {
  margin: 0;
}

.co-registration__headline {
  margin-bottom: 0.4rem;
}

.co-registration__briefs {
  margin-top: 2rem;
}

.co-registration__headline {
  font-size: 1.4rem;
  font-weight: 600;
}

.co-registration__fieldset-section {
  align-content: flex-start;
  align-items: flex-start;
  display: flex;
}

.co-registration__fieldset-section:not(:last-child) {
  padding: 0 0 0.8rem 0;
}

.co-registration__label {
  display: inline-block;
  margin-top: 1px;
}

.co-registration__label-name {
  font-weight: 600;
  padding-left: 0.4rem;
}

.co-registration__label--muted {
  color: #5b5a5a;
}

.co-registration__label-subject {
  margin: 0;
  padding-left: 0.4rem;
  font-size: 1.2rem;
}

.gdpr-consent__field {
  vertical-align: middle;
}

.footer {
  margin-top: 0;
}

.footer__content {
  font-size: 1.2rem;
  text-align: center;
  margin: 0;
  padding: 1rem 0;
  list-style: none;
  color: #5b5a5a;
}

.footer__content a {
  text-decoration: none;
  color: #5b5a5a;
}

.footer__content a:hover {
  text-decoration: underline;
}

.hidden {
  display: none;
}

.footer__item {
  display: inline-block;
  padding: 0 0.8rem;
  margin: 0 0 0.8rem 0;
  border-right: solid 1px #5b5a5a;
}

.footer__item:last-child {
  border-right: none;
}

.footer__link {
  font-weight: normal;
  white-space: nowrap;
}

input[type="text"]:invalid:not(:placeholder-shown),
input[type="email"]:invalid:not(:placeholder-shown),
input[type="password"]:invalid:not(:placeholder-shown) {
  border-color: #cc4444;
}

@media only screen and (min-width: 915px) {
  .container {
    width: 907px;
    padding-left: 0;
    padding-right: 0;
  }

  .container--split-columns {
    display: grid;
    grid-template-columns: 7fr 4fr;
    gap: 6rem;
  }

  .signup-form {
    display: grid;
    grid-template-columns: auto max-content;
  }

  .signup-form--border {
    border-left: 3px solid #26bae3;
    padding: 0.5rem 0 0.5rem 3rem;
  }

  .signup-form--wrapped {
    width: 65%;
  }

  .signup-form__left {
    margin-right: 2rem;
    grid-column-start: 1;
  }

  .signup-form__right {
    display: block;
    text-align: center;
    grid-column-start: 2;
  }

  .signup-form__link {
    font-size: 1.4rem;
    margin: 1.4rem 0 0 0;
  }

  .testimonial {
    margin-top: 1rem;
  }

}