:root {
  color-scheme: light dark;

  --background-color: #fff;
  --background-color-transparent: #fff0;
  --link-color: #56318e;
  --link-dark-color: #56318e;
  --text-color: #000;

  --nav-background-color: #333;
  --nav-link-color: #aa98c6;

  --heading-color: var(--text-color);
  --expired-background-color: #fdd;
  --expired-link-color: var(--link-color);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #302e36;
    --background-color-transparent: #302e3600;
    --link-color: #aa98c6;
    --link-dark-color: #7a6d90;
    --text-color: #f0f0f0;

    --nav-background-color: #fff;
    --nav-link-color: #56318e;

    --heading-color: #fff;
    --expired-background-color: #601;
    --expired-link-color: #fff;
  }
}
@media (prefers-color-scheme: dark) and (prefers-contrast: more) {
  :root {
    --background-color: #000;
  }
}

/* See https://www.zachleat.com/web/stable-scrollbar-gutters/ */
html {
  overflow-y: scroll;
}
@supports (scrollbar-gutter: stable) {
  html {
    overflow-y: auto;
    scrollbar-gutter: stable;
  }
}

body {
  background: var(--background-color);
  color: var(--text-color);
  max-width: 730px;
  padding: 0 0 0 320px;
  margin: 2em auto;
  line-height: 1.5;

  font-family: ui-sans-serif, 'Myriad Set Pro', 'Lucida Grande',
    'Helvetica Neue', 'Helvetica', 'Arial', 'Verdana', sans-serif;
}

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

code, kbd {
  font-family: ui-monospace, monospace;
}
kbd kbd {
  box-sizing: border-box;
  display: inline-block;
  min-width: 1lh;
  padding: 0 0.2lh;
  text-align: center;
  font-family: sans-serif;
  border: 1px solid #222;
  border-radius: 0.2lh;
  background: #fff;
  color: #777;
}

figure {
  margin: 0;
}
figure img {
  border-radius: 2em;
  box-shadow: 0 2px 4px #333;
}

header {
  float: left;
  width: 220px;
  margin-left: -320px;
}

header h1 {
  margin: 0;
}

header h1 a {
  display: block;
  margin: 0 0 1em 0;
}

header h1 img {
  width: 220px;
  height: 247px;
}

header a.call-to-action {
  display: block;
  position: relative;
  font-size: 1.5em;
  text-decoration: none;
  margin-bottom: 1em;
  padding-left: 45px;
}
header a.call-to-action:hover,
header a.call-to-action:focus {
  text-decoration: underline;
}
header a.call-to-action::first-letter {
  text-transform: capitalize;
}
header a.call-to-action img {
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -18px;
}

header a.call-to-action b {
  display: block;
  font-weight: normal;
  font-size: 0.6em;
}

#nav-toggle {
  display: none;
}

main {
  float: left;
}

main h2 {
  color: var(--heading-color);
  margin: 0 0 0.3333em 0;
  font-weight: normal;
  font-size: 3em;
  line-height: 1.25;
}

main h3 {
  color: var(--heading-color);
  font-weight: normal;
  font-size: 1.5em;
  line-height: 1.25;
  margin-top: 1.5em;
}

footer {
  padding-top: 2em;
  clear: both;
  font-size: 0.6666em;
  position: relative;
}

footer h2 {
  position: absolute;
  left: -9999px;
}

footer small {
  font-size: 1em;
}

footer address,
footer p {
  font-style: normal;
  margin: 0;
  max-width: 75%;
}

footer a {
  white-space: nowrap;
}

footer nav {
  margin: 0.6666em 0;
}

footer ul,
footer li {
  display: inline;
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}
footer h3 {
  display: inline;
  font-size: 1em;
  font-weight: normal;
}
footer h3:after {
  content: ':';
}
footer li,
footer h3 {
  padding-right: 1em;
}

footer a.buy {
  display: block;
  position: absolute;
  bottom: 0;
  right: 0;
  text-decoration: none;
  background: #fff;
  line-height: 1;
  padding: 0.5em 1em;
  border: 1px solid var(--link-color);
  border-radius: 0.5em;
}
footer a.buy:hover,
footer a.buy:focus {
  background: var(--link-color);
  color: #fff;
}

span {
  position: absolute;
  left: -9999px;
}
span.vcard,
span.fn {
  position: static;
}

table {
  border-collapse: collapse;
}

th, td {
  border: 1px solid #ccc;
  padding: 0.5em 1em;;
  text-align: left;
}

svg path {
  fill: var(--text-color);
}

a.register-button {
  display: inline-block;
  text-decoration: none;
  background: #fff;
  line-height: 1;
  padding: 0.5em 1em;
  border: 1px solid var(--link-color);
  border-radius: 0.5em;
  margin: 0.5em 0;
}
a.register-button:hover,
a.register-button:focus {
  background: var(--link-color);
  color: #fff;
}

.features .row {
  zoom: 1;
}
.features .row:before,
.features .row:after {
  content: ' ';
  display: table;
}
.features .row:after {
  clear: both;
}
.features .feature {
  width: 350px;
  margin: 0 30px 30px 0;
  float: left;
}
.features .feature:nth-child(2n) {
  margin-right: 0;
}
.features h3 {
  margin-top: 1em;
}

.extensions {
  list-style: none;
  margin: 0;
  padding: 0;
}

.extensions li > a,
.extensions li > p,
a.bookmarklet {
  display: block;
  position: relative;
  padding-left: 80px;
  min-height: 64px;
  margin: 0 0 20px 0;
}
.extensions li > a,
a.bookmarklet {
  line-height: 64px;
}
.extensions li > p {
  padding-top: 8px;
}

.extensions li > a img,
.extensions li > p img,
a.bookmarklet img {
  position: absolute;
  top: 0;
  left: 0;
}

code.api-example {
  display: block;
  margin: 0.5em 0;
}

.releases {
  list-style: none;
  margin: 0;
  padding: 0;
}

.releases li {
  margin: 0 0 1em 0;
}

.releases li h3 {
  font-size: 1.3em;
  margin-bottom: 0;
}

.releases li:first-of-type h3 {
  font-size: 2em;
}

.release-info .macos-version {
  white-space: nowrap;
}

#expired {
  margin: 0 -20px 3em -20px;
  border-radius: 20px;
  padding: 1em 20px 0.5em;
  background: var(--expired-background-color);
}
#expired h2 {
  font-size: 1.5em;
  font-weight: bold;
}
#expired a {
  color: var(--expired-link-color);
}

form.payment {
  font-size: 1.5em;
  margin: 2em 0;
}

form.payment label,
form.payment input,
form.payment button {
  font: inherit;
}

form.payment label {
  display: block;
  margin-bottom: 0.75em;
}

form.payment label b {
  display: block;
  font-weight: normal;
  font-size: 0.66667em;
}

form.payment input {
  border: 3px solid var(--link-color);
  border-radius: 0.25em;
  padding: 0.25em 10px;;
  width: 434px;
  margin-right: 20px;
}

form.payment .errorlist {
  list-style: none;
  margin: 0;
  padding: 0;
  color: #d00;
}

form.payment .errorlist + input {
  border-color: #d00;
}

form.payment button {
  border: 3px solid var(--link-color);
  border-radius: 0.25em;
  background: var(--link-dark-color);
  color: #fff;
  cursor: pointer;
  padding: 0.25em 0;
  width: 134px;
  box-sizing: inherit;
}
form.payment button:hover,
form.payment button:focus {
  background: none;
  color: var(--link-color);
}
form.payment button:disabled,
form.payment input:disabled {
  background: #fff;
  border-color: #8e8e8e;
  color: #8e8e8e;
}

.payment-status {
  display: block;
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 1em;
  padding-left: 55px;
  background-image: url("../images/cta_icon_check.3188ab539e9d.png");
  background-repeat: no-repeat;
  background-position: 0 10px;
  background-size: 35px 35px;
  min-height: 3em;
}
.payment-status.pending {
  background-image: url("../images/loading.b611e7b2c7b2.gif");
  line-height: 3em;
}
.payment-status code {
  font-family: monospace;
}

#loading {
  background: #222222 url("../images/loading.b611e7b2c7b2.gif") 10px 10px no-repeat;
  background-size: 100px 100px;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  padding: 10px;
  margin: -55px 0 0 -55px;
  color: #fff;
  border-radius: 10px;
  overflow: hidden;
  text-indent: -10000px;
}

@media (max-width: 1080px) {
  body {
    padding-left: 0;
  }

  header {
    width: auto;
    float: none;
    margin-left: 0;
  }

  header h1 img {
    width: 40px;
    height: 45px;
    float: left;
    margin-bottom: 30px;
    margin-right: 40px;
  }

  header a.call-to-action {
    float: left;
    line-height: 35px;
    margin: 3px 1em 0 0;
  }

  header a.call-to-action b {
    position: absolute;
    left: -99999px;
  }

  body > main {
    clear: left;
    margin-top: 30px;
  }
}

@media (max-width: 780px) {
  body {
    margin: 15px;
    padding-top: 50px;
  }

  header h1 a {
    margin: 0;
  }

  header {
    background: linear-gradient(
      180deg,
      var(--background-color) 0,
      var(--background-color) 70px,
      var(--background-color-transparent) 100%
    );
    position: fixed;
    height: 105px;
    top: 0;
    left: 0;
    right: 0;
  }

  header h1 img {
    position: absolute;
    top: 15px;
    left: 15px;
    display: block;
    float: none;
  }

  body > header .blog-intro {
    display: none;
  }

  .nav-toggle {
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 45px;
    z-index: 10;
  }
  .nav-toggle span {
    position: static;
    display: block;
    background: var(--text-color);
    width: 100%;
    height: 5px;
    margin: 7px 0;
    border-radius: 3px;
    transition: all 0.2s;
  }
  #nav-toggle:checked ~ .nav-toggle span {
    background: var(--background-color);
  }
  #nav-toggle:checked ~ .nav-toggle span:nth-child(1) {
    transform: translateY(12px) rotate(135deg);
  }
  #nav-toggle:checked ~ .nav-toggle span:nth-child(2) {
    transform: scale(0);
  }
  #nav-toggle:checked ~ .nav-toggle span:nth-child(3) {
    transform: translateY(-12px) rotate(-135deg);
  }

  body > header nav {
    box-sizing: border-box;
    background: var(--nav-background-color);
    position: absolute;
    top: 0;
    right: 0;
    left: 100%;
    transition: left 0.2s;
    padding: 15px 0 0 0;
    z-index: 5;
    overflow: hidden;
  }
  #nav-toggle:checked ~ nav {
    left: 0;
  }

  body > header nav p {
    margin: 0;
  }

  header a.call-to-action {
    color: var(--nav-link-color);
    float: none;
    margin: 0 60px 15px 15px;
    white-space: nowrap;
  }

  main h2 {
    font-size: 2em;
  }

  figure {
    text-align: center;
  }

  .features .feature {
    width: auto;
    margin: 0;
    float: none;
  }

  footer a.buy {
    position: relative;
    margin: 1em 0 0 0;
    text-align: center;
  }

  footer address, footer p {
    max-width: 100%;
  }

  form.payment input,
  form.payment button {
    box-sizing: border-box;
    margin-bottom: 0.5em;
    width: 100%;
  }
}

@media (prefers-color-scheme: dark) {
  header h1 img {
    filter: drop-shadow(0 0 1px #fff);
  }

  footer a.buy {
    background: var(--link-dark-color);
    color: #fff;
  }
  footer a.buy:hover,
  footer a.buy:focus {
    background: #fff;
    color: var(--background-color);
  }

  .payment-status {
    background-image: url("../images/cta_icon_check-dark.6a1f7aa4bf93.png");
  }
}