:root {
  --white: #FFFFFF;
  --gray-100: #F8F8F8;
  --gray-200: #D3D2CD;
  --gray-400: #9C9C9C;
  --gray-600: #3B3B3B;
  --gray-800: #212121;
  --gray-900: #171717;
  --orange-500: #CA9B5B;
  --orange-600: #B58252;
  --red-500: #c30010;
  --red-600: #d1001f;

  --font-text: 'Open Sans', sans-serif;
  --font-decor: 'Oswald', sans-serif;
  --font-heading: 'Playfair Display', serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::selection {
  color: var(--white);
  background: rgba(195, 0, 16, .8);
}

body {
  min-height: 100vh;
  background-color: var(--white);
}

.tag {
  letter-spacing: 2px;
  font-family: var(--font-decor);
  font-size: .75rem;
  text-transform: uppercase;
  color: var(--gray-400);
}

.section__heading {
  letter-spacing: 1px;
  font-family: var(--font-heading);
  color: var(--gray-800);
}

@media screen and (min-width: 320px) {
  .section__heading {
    margin: .5rem 0 2rem;
    font-size: 1.5rem;
  }
}

@media screen and (min-width: 768px) {
  .section__heading {
    margin: .75rem 0 2rem;
    font-size: 2rem;
  } 
}

@media screen and (min-width: 992px) {
  .section__heading {
    margin: 1rem 0 2rem;
    font-size: 2.5rem;
  } 
}

.section__heading::after {
  content: '';
  width: 80px;
  height: 4px;
  display: block;
  margin-top: 1rem;
  border-bottom: 1px solid var(--red-600);
}

fieldset {
  display: flex;
  gap: 1rem;
  border: none;
}

label, legend {
  font-family: var(--font-text);
  font-size: 1rem;
  color: var(--gray-400);
}

input:focus ~ label, textarea:focus ~ label{
  font-size: .875rem;
  color: var(--red-600);
}

input, textarea {
  padding: 16px;
  border-radius: 8px;
  border: 1px solid var(--gray-600);
  font-family: var(--font-text);
  font-size: 1rem;
  color: var(--gray-600);
  background-color: var(--gray-100);
  outline: none;
  accent-color: var(--red-600);
}

input:focus, textarea:focus {
  border: 1px solid var(--red-600);
}

.primary-btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 32px;
  font-family: var(--font-decor);
  letter-spacing: 1px;
  text-decoration: none;
  text-transform: uppercase;
  transition: all ease-in-out .4s;
  cursor: pointer;
  color: var(--white);
  background-color: var(--red-600);
}

.primary-btn:hover {
  background-color: var(--gray-800);
}