html {
  font-size: 18px;
  color-scheme: dark;
}

body {
  margin: 0;
  background: #12110f;
  color: #ece6de;
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.6;
}

body.modal-open {
  overflow: hidden;
}

.page {
  max-width: 35rem;
  padding: 4rem 1.5rem 5rem;
}

.masthead {
  margin: 0 0 2.5rem;
}

.intro {
  max-width: 28rem;
  margin: 0;
  color: #b9b0a4;
}

section {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

li {
  margin: 0;
}

li + li {
  margin-top: 0.6rem;
}

a {
  color: #ece6de;
  text-decoration: underline;
  text-decoration-color: rgba(236, 230, 222, 0.34);
  text-underline-offset: 0.16em;
}

a:visited {
  color: #d7d0c7;
}

a:hover,
a:focus-visible {
  color: #ffffff;
  text-decoration-color: currentColor;
}

.signup-submit {
  appearance: none;
  padding: 0.5rem 0.9rem;
  border: 1px solid #3a342d;
  background: transparent;
  color: #ece6de;
  font: inherit;
  line-height: 1.2;
  cursor: pointer;
}

.signup-submit:hover,
.signup-submit:focus-visible {
  border-color: #5b544a;
  color: #ffffff;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgba(18, 17, 15, 0.78);
}

.modal[hidden] {
  display: none;
}

.modal-card {
  width: min(100%, 28rem);
  padding: 1.1rem;
  border: 1px solid #3a342d;
  background: #161411;
}

.modal-card h2 {
  margin-bottom: 0.6rem;
}

.modal-copy {
  margin: 0 0 1rem;
  color: #b9b0a4;
}

.modal-close {
  float: right;
  margin: -0.15rem 0 0.35rem 1rem;
  border: 0;
  background: transparent;
  color: #b9b0a4;
  font: inherit;
  font-size: 1.15rem;
  cursor: pointer;
}

.signup-form {
  display: grid;
  gap: 0.7rem;
}

.signup-form input {
  min-width: 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid #3a342d;
  background: #12110f;
  color: #ece6de;
  font: inherit;
}

.signup-form input::placeholder {
  color: #8f877b;
}

.signup-form input:focus-visible,
.signup-submit:focus-visible,
.modal-close:focus-visible,
a:focus-visible {
  outline: 2px solid #6b6357;
  outline-offset: 2px;
}

.form-message {
  margin: 0.85rem 0 0;
}

.is-success {
  color: #d9e6c7;
}

.is-error {
  color: #e0b4b4;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .page {
    padding: 2.75rem 1.2rem 3.5rem;
  }
}