:root {
  --white: #FFF;
  --black: #000;
  --gray: #BFBFBF;
  --gray-4: #A6A6A6;
  --light-gray: #E9F1FD;
  --blue: #0064FF;
}

@font-face {
  font-family: 'Platform Web';
  src:  url('./fonts/Platform-Medium-Web.woff2') format('woff2'),
        url('./fonts/Platform-Medium-Web.woff') format('woff');
  font-weight:  500;
  font-style:   normal;
  font-stretch: normal;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  color: var(--black);
  background: var(--light-gray);
}

h1 {
  font-size: 3rem;
  letter-spacing: -.014em;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
}

a {
  color: var(--blue);
}

img {
  max-width: 100%;
}

.site-header {
  padding: 2rem 1rem;
  text-align: center;
  background: var(--blue);
}

.site-header a {
  display: inline-block;
  width: 108px;
}

.container {
  width: 700px;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 1rem;
}

form {
  margin: 2.25rem 0;
  padding: 2rem;
  background: var(--white);
  box-shadow:  1px 2px -1px rgba(0, 0, 0, 0.4);
  border-radius: 1.5rem;
}

@media (min-width: 600px) {
  /* form {
    padding: 3rem;
  } */

  .two-col {
    display: flex;
    column-gap: 1.5rem;    
  }

  .two-col > div {
    width: 50%;
  }
}

form h1 {
  margin: 0 0 2rem;
  font-size: 1.125rem;
}

form .checkbox-container {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: 1rem;
}

form label {
  display: inline-block;
  margin: 0 0 .25rem;
  font-size: .75rem;
  letter-spacing: .02em;
  text-transform: uppercase;
  cursor: pointer;
}

form input {
  width: 100%;
  margin-bottom: 1.75rem;
  padding: 4px 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .02em;
  background-color: transparent;
  border: 0;
  border-bottom: 1px solid var(--gray-4);
}

form input::placeholder {
  color: var(--gray);
}

form input[type=text],
form input[type=email] {
  width: 100%;
}

form input[type=checkbox] {
  width: 1.5rem;
  height: 1.5rem;
  margin: 0 0 1.5rem;
}

form input[type=checkbox] + label {
  margin: 3px 0 1.5rem;
  font-size: .875rem;
  line-height: 1.25;
  text-transform: none;
}

form input[type=submit] {
  display: inline-block;
  width: auto;
  margin: 0;
  padding: 20px 28px;
  font-size: 1rem;
  line-height: 1;
  font-weight: 500;
  color: var(--white);
  text-align: center;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 4rem;
  cursor:pointer;
}

form select {
  width: 100%;
  margin-bottom: 1.5rem;
  padding: 4px 0;
  font-size: 1.25rem;
  letter-spacing: .02em;
  font-weight: 700;
  background-color: transparent;
  border: 0;
  border-bottom: 1px solid var(--gray-4);
  cursor: pointer;
}

.text-right {
  text-align: right;
}

form input[type=submit]:disabled {
  background: var(--gray);
}