*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

html,
body {
  height: 100%;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  padding: 0;
  font-weight: 500;
}

p {
  margin: 0 0 var(--spacing-md);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
  text-decoration: none;
}

a:focus {
  outline: none;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border: 0;
}

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

button {
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
}

button:focus {
  outline: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-lg) 0;
}

::selection {
  background-color: var(--primary-color);
  color: var(--text-light);
}

::-moz-selection {
  background-color: var(--primary-color);
  color: var(--text-light);
}